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Body piercing condit (e.g., needle, etc.)

Subclass of:

604 - Surgery

604019000 - MEANS FOR INTRODUCING OR REMOVING MATERIAL FROM BODY FOR THERAPEUTIC PURPOSES (E.G., MEDICATING, IRRIGATING, ASPIRATING, ETC.)

604048000 - Treating material introduced into or removed from body orifice, or inserted or removed subcutaneously other than by diffusing through skin

604930010 - Material introduced or removed through conduit, holder, or implantable reservoir inserted in body

604264000 - Body inserted tubular conduit structure (e.g., needles, cannulas, nozzles, trocars, catheters, etc.)

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
604274000 Specific structure for preventing coring of body tissue 3
20090030381Arced Hypodermic Needle - A hypodermic needle for delivering a bolus of a pharmaceutically active agent to the posterior chamber of the eye having a lancet disposed at the distal tip and a lumen disposed along a longitudinal axis within. The lancet may be formed by an angled linear cut coming to a point at the distal tip of the needle, or an arc-shaped cut beginning at the needle tip parallel to the longitudinal axis and gradually arcing upward to roughly perpendicular to the longitudinal axis. Additionally, cuts, grooves, channels, or teeth may be added to the surface of the lancet in a regular or irregular pattern for the purpose of increasing surface tension on the drug bolus.01-29-2009
20090216203Intimacy medical needle designed for nerve stimulation through soft tissue and microadhesiolysis of adhered soft tissue and medical instrument using the same - A medical needle comprises a main body extending from a proximal end to a distal end, and a tip portion formed at the distal end of the body. The tip portion has a first inclined region, the cross-sectional area of which decreases toward the distal end and has a pair of surfaces inclined with an angle of 15° to 20°. The tip portion has a second inclined region extending from the first inclined region, the cross-sectional area of which decreases toward the distal end and has a pair of surfaces inclined with an angle of 30° to 45°. A tip is formed at the point of juncture of the pair of surfaces of the second inclined region. Tapered portions are formed on both sides of the first inclined region. Each tapered portion is inclined at an angle of 5° to 15°. Curved portions are formed at the points of juncture of the tip and the tapered portions.08-27-2009
20100094231DEVICES AND METHODS FOR TISSUE MODIFICATION - Methods and apparatus are provided for selective surgical removal of tissue. In one variation, tissue may be ablated, resected, removed, or otherwise remodeled by standard small endoscopic tools delivered into the epidural space through an epidural needle. The sharp tip of the needle in the epidural space, can be converted to a blunt tipped instrument for further safe advancement. The current invention includes specific tools that enable safe tissue modification in the epidural space, including a barrier that separates the area where tissue modification will take place from adjacent vulnerable neural and vascular structures. A nerve stimulator may be provided to reduce a risk of inadvertent neural abrasion.04-15-2010
604273000 Specific structure for preventing or minimizing inconvenience casued by breakage during insertion of conduit into body 2
20100016811NEEDLE TIP - The present invention provides a needle tip for needles of cannulae for penetrating materials and transferring fluids. The needle tip incorporates at least one conduit for transferring the fluids, at least one blade portion and at least one aperture in fluid communication with the conduit, an aperture being disposed generally opposite a blade portion. The at least one blade portion preferably comprises of concave surfaces joining in a cutting surface. A needle tip according to the invention may have more than one conduit, more than one blade portion, and more than one aperture. Preferably, the needle tip comprises of a tear-drop shape in cross section. The needle tip is simple to make and can be advantageously used in single-use applications. Preferably the needle tip is comprised of polymeric material. Preferably the needle tip is manufactured by fluid-assisted moulding.01-21-2010
20090312720Post Laser Drilling Stress Relief of Surgical Needles Made of Refractory Alloys - A method of stress relieving drilled surgical needles is disclosed. At least the metal about a drilled bore hole is heat treated to relieve stress without annealing.12-17-2009
Entries
DocumentTitleDate
20080275407SYSTEM CONSISTING OF AN INSERTION HEAD AND AN INSERTER - A system for positioning and inserting insertion means into tissue includes an insertion head and an inserter. The insertion head includes a base with a lower side positionable on tissue; and an insertion means movably mounted by the base, which is movable from a protective position where a free end of the insertion means is short of the lower side, into an insertion position where the free end protrudes beyond the lower side of the base. The inserter includes an inserter casing having a lower side with an opening for the insertion head; a holding means, coupled to the inserter casing for holding the insertion head in an initial position; a drive configured to move the insertion head out of the initial position in an advancing direction; and an activating member movable relative to the holding means and operable such that the insertion means is moved into the insertion position.11-06-2008
20130030391Catheter Apparatus - The invention relates to a catheter apparatus comprising: a catheter; a catheter hub having a distal section and a proximal section, wherein the distal section is joined to the catheter and the proximal section defines a chamber; a needle extending through the catheter hub and the catheter and defining an axial direction, wherein the needle has opposite proximal and distal ends, the distal end forming a needle tip; a needle hub attached to the proximal end of the needle; and a needle guard slidably arranged on the needle, wherein the needle guard is retained in the chamber of the catheter hub when the needle extends through the catheter hub and the catheter, and wherein the needle guard is removable from the catheter hub once the needle tip is received in the needle guard upon withdrawal of the needle from the catheter.01-31-2013
20130030390Improved needles made of a particular plastic material - Needle comprising a polyarylene material comprising a polyarylene. The needle can meet all the advantages of metal, while avoiding its drawbacks. It has a high rigidity and ductility, and is excellent in penetrability and ability to hold a sharp edge. It is easily disposable and recyclable. It is non toxic and non irritant.01-31-2013
20090209923Disposable hypodermic needle - The present disclosure concerns (i) a hypodermic needle composed of a metal alloy, wherein the metal alloy is in a predominantly amorphous form, said amorphous form of said metal alloy having a glass transition temperature (T 9 ) in the range of 50-6500 C, (ii) methods for the manufacture of such injection needles by casting or moulding an amorphous alloy, and (iii) a method of safely disposing hypodermic needles.08-20-2009
20100016809DEVICE AND METHOD FOR MONITORING A VASCULAR ACCESS, AND DEVICE FOR CREATING A VASCULAR ACCESS - The present invention relates to a device for creating a vascular access for extracorporeal blood treatment using an extracorporeal blood treatment device, wherein the device for creating the vascular access has an electrically conductive puncture needle with a proximal endpiece and distal endpiece, and a base body that is made of electrically non-conductive material and into which the distal endpiece of the puncture needle is inserted. In the case of a properly arranged vascular access, the base body, which includes an electrically conductive contact element, lies on the skin of the patient, when the puncture needle is located within the vessel of the patient. A disconnection or dislocation is detected by the impedance between the electrically conductive puncture needle and the electrically conductive contact element being measured and compared to a limit value. If the impedance measured is within predetermined limits, this indicates a properly arranged vascular access. A disconnection or dislocation of the puncture needle leads to a strong variation in the impedance, which indicates that the vascular access is not properly arranged.01-21-2010
20090171304COATED HYPODERMIC NEEDLE - A needle for a medical procedure includes a shaft with an inner surface, an outer surface, a proximal section, and a distal section. The distal section has a conductive tip configured to be a first electrode for voltage measurement. The needle further includes a first electrically insulative outer layer over a portion of the outer surface of the shaft. The conductive tip is adapted for insertion through tissue into, for example, a pericardial space of a patient. A system for determining the location of a needle during a medical procedure includes the needle and an anatomical mapping and localization system electrically coupled to the needle and adapted to measure voltage at the conductive tip. A system for determining tissue thickness during a medical procedure includes the needle, an anatomical mapping and localization system electrically coupled to the needle, and an electrocardiograph operatively coupled to the needle and adapted to monitor electrical activity at the conductive tip and at the second electrode. The needle may include a second electrode.07-02-2009
20130041330MICRO-NEEDLE DEVICE AND PREPARATION METHOD - The present invention provides a micro-needle device that includes a substrate, a micro-needle provided on the substrate, and a physiologically active composition deposited on the micro-needle and/or the substrate. In the micro-needle device, the physiologically active composition contains: at least one polyhydric alcohol selected from glycerin, ethylene glycol, propylene glycol and 1,3-butylene glycol; and a physiologically active substance, and contains substantially no water.02-14-2013
20100106104INJECTION NEEDLE - The invention relates to an injection needle for injecting a pharmaceutical product into a human or animal body. The needle comprises a tubular body with an end for penetrating into a human or animal body, and having a main bevel and a secondary bevel forming a tip of the needle. The secondary bevel is positioned opposite the main bevel and forms, with the main bevel, a single cutting edge oblique to the longitudinal axis of the tubular body. The cutting edge extends on both sides of a middle plane of the main bevel that passes through the longitudinal axis of the tubular body.04-29-2010
20100106105Microneedle Structure And Production Method Therefor - A method for processing a wafer to form a plurality of hollow microneedles projecting from a substrate includes forming, by use of a dry etching process, a number of groups of recessed features, each including at least one slot deployed to form an open shape having an included area and at least one hole located within the included area. The internal surfaces of the holes and the slots are then coated with a protective layer. An anisotropic wet etching process is then performed in such a manner as to remove material from outside the included areas while leaving a projecting feature within each of the included areas. The protective layer is then removed to reveal the microneedles.04-29-2010
20100069856Structure for Connecting between a Medical Needle and Medical Tubing - A connecting structure is provided which includes a medical needle with a connector provided with a joining groove formed on its rear-end portion, an inner tube that joins to the joining groove, and medical tubing that has one end secured to the outer peripheral surface of the inner tube by welding or adhesive. Moreover, the connector and the inner tube are shaped so as to form a cylinder when the inner tube is fit to the joining groove of the connector. In addition, a portion that is not covered by the inner tube is provided at the base-end portion of the connector, thus providing a gap between the base-end portion of the connector and the medical tubing.03-18-2010
20130046255SAFETY NEEDLE ASSEMBLY WITH CORRECT MEDICATION CONNECTION - An adapter is placed between the needle and a conventional fluid store, or medical line. The end of the adapter that connects to the needle assembly is formed to have a configuration that is complementary to that of the hub of the needle assembly, so that the adapter and the needle hub may be readily mated to each other. The other end of the adapter is formed to have another configuration, for example a conventional luer, that is readily connectable to a conventional fluid store, such as a syringe that has a conventional luer. The adapter is formed by inter-fitting two elements to effect an integral locking mechanism to prevent the uncoupling of the fluid store and the adapter, once they are securely coupled.02-21-2013
20090318882INTRAOSSEOUS DENTAL ANESTHESIA - A method and kit for intraosseous dental anesthesia that achieves enhanced anesthesia is provided. The method involves delivering 10% or more of a caepule of Articaine HCL with epinephrine to the level of the cortical plate of bone in both the mesial and distal areas of each tooth with a small gauge needle together with pressure and penetrating the cortical plate of bone with the small gauge needle. Where impenetrable, the Articalne HCL with epinephrine is allowed to passively pass through the cortical plate of bone. A method of intraosseous dental anesthesia in cases of acute pulpitis and for tooth extraction together with intraligamental injection technique is also provided.12-24-2009
20090093775Microstructures - A microstructure array includes at least one microneedle and at least one ancillary microstructure on or adjacent to the microneedle configured to modulate the function of the microneedle.04-09-2009
20090270819OPTICAL SAFETY TROCAR AND METHOD OF USE THEREOF - An optical safety trocar and method of use thereof, wherein a shield deploys to guard against accidental tip contact and potential injury therefrom, and wherein an optical tip facilitates visualization of the trocar advancement into a body cavity, such that the visualization not only precludes blind penetration in order to avoid inadvertently injurious positioning of the tip, but enables identification of any unintentional and otherwise undetectable damage.10-29-2009
20090270818GAS JET FLUID REMOVAL IN A TROCAR - Devices and methods are provided for removing fluid from a surgical access device and/or from surgical instruments passed therethrough, and for preventing such fluid from accumulating. For example, in one embodiment, an exemplary device can include a body defining a working channel that is configured and sized to allow for passage of a surgical instrument therethrough. A number of seals can be disposed in the working channel so as to contact the inserted surgical instrument. One or more outlets can be oriented to direct gas, such as air or an insufflation gas, into the working channel so as to remove fluid on the seals, or other parts of the surgical access device, as well as the surgical instruments themselves. In some embodiments, constant flows of gases can be arranged to act as shields to help prevent fluid from accumulating on the surgical access device and/or surgical instruments.10-29-2009
20110022006Method and apparatus for delivering a therapeutic substance through an injection port - Adapters for utilizing a syringe or pen injector with a subcutaneous injection port to deliver a therapeutic substance through the injection port and methods of using the adapters are provided. A syringe adapter has a body having a first end and a second end. The first end of the body is configured to receive and engage the end of a syringe so that the cannula of the syringe is held at a fixed position with the respect to the adapter. The second end of the adapter configured to mate with a mating portion of the injection port. When the second end of the adapter engages the mating portion of the injection port, the adapter assures that the cannula of the syringe is properly aligned with the subcutaneous injection port and assures that the cannula penetrates the injection port to the proper depth. Adapters for use with pen style delivery systems are also disclosed. Additionally, an adapter to facilitate loading a syringe with a therapeutic substance from a vial is disclosed.01-27-2011
20130165872METHOD FOR PRODUCING SILICON MICRONEEDLE ARRAYS WITH HOLES AND MICRONEEDLE ARRAY - A method for producing silicon microneedle arrays with drilled holes includes producing a silicon microneedle array. For each microneedle in a plurality of microneedles in the microneedle array, a laser is positioned relative to a microneedle and a drilled hole is drilled into the microneedle array by laser drilling. The drilled holes are drilled in microneedles, in flanks of the microneedles or alongside microneedles. A microneedle array includes a substrate composed of a micromechanical semiconductor material. The microneedle array has microneedles that project from the substrate and has drilled holes. The microneedles are composed of a porous micromechanical semiconductor material.06-27-2013
20110009832Non-Axial Return Spring for Safety Needle - A needle safety device is provided having a housing, a needle assembly movably mounted within the housing and a spring for biasing the needle assembly within the housing. The needle assembly is movable along a first axis and the spring is movable along the second axis different from the first. There is also provided a lens for enhancing visualization of the flow of fluid through the needle safety device. There is further provided a safety sheath for covering a needle of the needle assembly and restraining the needle assembly against movement due to the bias of the spring.01-13-2011
200900995343D fabrication of needle tip geometry and knife blade - The present invention provides a method for creating a beveled needle or a blade. The method employs a side wall surface of an angled post as a base to control beveled tip geometry. The invention provides needles, microneedle arrays, blades and microblade arrays with sufficient sharpness and toughness.04-16-2009
20100249729Methods and Systems for Accessing the Pericardial Space - Methods and systems for transvenously accessing the pericardial space via the vascular system and atrial wall, particularly through the superior vena cava and right atrial wall, to deliver treatment in the pericardial space are disclosed. A steerable instrument is advanced transvenously into the right atrium of the heart, and a distal segment is deflected into the right atrial appendage. A fixation catheter is advanced employing the steerable instrument to affix a distal fixation mechanism to the atrial wall. A distal segment of an elongated medical device, e.g., a therapeutic catheter or an electrical medical lead, is advanced through the fixation catheter lumen, through the atrial wall, and into the pericardial space. The steerable guide catheter is removed, and the elongated medical device is coupled to an implantable medical device subcutaneously implanted in the thoracic region. The fixation catheter may be left in place.09-30-2010
20090036842Consumable Activation Lever For Injection Device - A disposable injection device assembly includes a dispensing chamber housing, a plunger, and a lever. The dispensing chamber housing is coupled to a needle and has an inner surface and an outer surface. The inner surface partially defines a dispensing chamber for holding a quantity of a substance. The plunger is engaged with the inner surface of the dispensing chamber housing, is capable of sliding in the dispensing chamber housing, and is fluidly sealed to the inner surface of the dispensing chamber housing. A housing at least partially surrounds the dispensing chamber housing. The lever is located on the housing. The lever actuates the injection device assembly.02-05-2009
20110288499STIMULATION OF SEXUALLY RESPONSIVE TISSUE OF THE VULVA - A female external genitalia stimulation system, in particular clitoris erection stimulation system, comprises a fully implantable drug delivery device for delivering a drug in relation to a erectile tissue to achieve erection thereof. The drug delivery device may comprise a catheter adapted to be implanted in the corpora cavernosa of a clitoris or in close proximity thereto in order to deliver drugs through said catheter. Alternatively, one or more infusion needles may be disposed within and implanted along with one or more housings adjacent the patient's left and right corpora cavernosa. A reservoir and a pump may also be implanted inside the patient's body to supply the infusion needle with infusion liquid. A drive unit also adapted for implantation inside the patient's body is arranged for advancing and retracting the tip end of the infusion needle such that it penetrates the housing at least in two different penetration areas either simultaneously or in immediate time succession, thereby injecting drugs along with the infusion liquid into the patient's body for stimulating erectile tissue, in particular for stimulating clitoris erection.11-24-2011
20110295218BENDED INJECTION NEEDLE - A method of manufacturing a bended injection needle assembly comprising the steps of: mounting a straight one-piece metallic needle cannula (12-01-2011
20120065597APPARATUS FOR SAFE PERFORMANCE OF TRANSSEPTAL TECHNIQUE AND PLACEMENT AND POSITIONING OF AN ABLATION CATHETER - A steerable catheter system to perform a transseptal puncture procedure comprises a steerable catheter shaft with at least one inner lumen, and an inner element slidably positioned within a shaft lumen, wherein the distal tip of the shaft can be deflected, counter-deflected, rotated, and counter-rotated and wherein the inner element can be deployed or retracted. In one embodiment, a single steerable catheter is capable of performing an intended procedure and a transseptal procedure all in one, wherein the catheter comprises an outer steerable catheter and an inner element which can be deployed to perform a transseptal puncture, and wherein, once the inner element crosses the inter-atrial septum, the catheter itself can slide forward without advancement of the inner element.03-15-2012
20080312611RETROFITTED NEURAL INJECTION SYSTEM AND RELATED METHODS - Various embodiments may include methods of manufacture of a retrofitted neural injection system. Various embodiments may include acquiring an injection needle comprising a hollow cannula with an open distal end. Then, forming an at least one side port in the hollow cannula proximate to the distal end. Then, sealing the open distal end of the hollow cannula with a bio-compatible sealant so as to eliminate fluid communication between the inside and the outside of the hollow cannula via the distal end. In some embodiments, the bio-compatible sealant may be comprised of a thermosetting material. In some embodiments, the bio-compatible sealant may be comprised of a cured epoxy resin. In some embodiments, the bio-compatible sealant may be comprised of an aliphatic polymer. In some embodiments, the bio-compatible sealant may be comprised of an polyfluorocarbon.12-18-2008
20090099536Bidirectional Phacoemulsification Needle Tips for Torsional and Longitudinal Motion - Tips for phacoemulsification needles feature geometry that allows each tip to cut or emulsify bidirectionally when used torsionally, when used longitudinally or, in some cases, when used both torsionally or longitudinally.04-16-2009
20090099535Disposable Needle for Syringes and Infusions and the Manufacture Thereof - A disposable needle for syringes and infusions includes a tubular needle body (04-16-2009
20100268175SYSTEM AND METHOD FOR DELIVERING EXPANDING TROCAR THROUGH A SHEATH - A trocar has an elongate body and a tissue-penetrating tip. One or more radially extending blade(s) are provided near the tissue-penetrating tip of the trocar body so that they automatically open as the trocar is advanced through tissue. The blades will enlarge the penetration which was formed by the tip of the trocar.10-21-2010
20110202015MEDICAL TISSUE EXTRACTION INSTRUMENT - Disclosed is a medical tissue extraction instrument, which can allow an inspector to accurately locate a fine needle at a desired tissue extraction position without any need for assistance while assuring stable tissue extraction. The medical tissue extraction instrument includes a tissue extraction controller to control the pressure of a suction tube connected to a fine needle during extraction of tissue. The tissue extraction controller includes a suction pressure generator taking the form of a footboard and adapted to control a suction operation of the suction tube by being pushed downward.08-18-2011
20100125254Monocyclic high aspect ratio titanium inductively coupled plasma deep etching processes and products so produced - Monocyclic chlorine based inductively coupled plasma deep etching processes for the rapid micromachining of titanium substrates and titanium devices so produced are disclosed. The method parameters are adjustable to simultaneously vary etch rate, mask selectivity, and surface roughness and can be applied to titanium substrates having a wide variety of thicknesses to produce high aspect ratio features, smooth sidewalls, and smooth surfaces. The titanium microdevices so produced exhibit beneficially high fracture toughness, biocompatibility and are robust and able to withstand harsh environments making them useful in a wide variety of applications including microelectronics, micromechanical devices, MEMS, and biological devices that may be used in vivo.05-20-2010
20080312610Microarray Device - A device is provided which is suitable for delivering at least one nanoparticle(s) to a subject. The device can be used to deliver a variety of nanoparticles, for example, therapeutic agents, directly through the outer layers of the skin without passing completely through the epidermis of the subject. Thus the device can be used to deliver therapeutic agents to a predetermined depth and avoid disturbing the pain receptors in the skin. Thus the device can be used to deliver agents, including therapeutic agents, in a non-invasive manner. A method of fabricating devices with associated nanoparticles is also provided.12-18-2008
20080208146System and Method for Tool Feedback Sensing - A microneedle application device for moving a microneedle array toward a target skin location includes a feedback sensor. The feedback sensor is operably connected to the microneedle application device, and is capable of generating an output corresponding to forces between the target skin location and the microneedle application device.08-28-2008
20120296290MANUFACTURING METHOD A STRUCTURAL PART WITH A CANNULA, A CANNULA, A STRUCTURAL PART, AN INSERTION HEAD AND AN INSERTION DEVICE WITH THE CANNULA - A method for manufacturing a structural part with a cannula for the subcutaneous administration of an active substance is disclosed. A loose cannula is threaded on a piercing means to form a ready-to-use cannula piercing unit and subsequently, a cannula housing is injection-molded onto the cannula. Embodiments for the cannula as well as the structural part, an application part, an insertion head, and an insertion device which includes the cannula are also disclosed.11-22-2012
20100298785Flow elements for use with flexible spinal needles, needle assemblies and methods therefor - A flow element for use with flexible needles and flexible needle assemblies to minimize flow occlusion within a flexible needle is provided. The flow element is particularly suited for uses with a flexible needle for minimizing incidence of post-dural puncture headache. The flow element includes a body having an internal flow path for conducting a fluid through a flexible needle, and an anti-restriction member. The anti-restriction member includes an elongated body, a proximal end coupled to the body within the internal flow path, and a distal end for disposing at least a portion of the elongated body within a flexible needle. A flexible spinal needle assembly for minimizing flow occlusion through an internal flow path of a flexible needle by unintended kinking that is potentially caused by ligament or muscle layer movements is also provided. In other embodiments, a flexible spinal needle assembly, a flexible spinal needle assembly kit, a method for installing a flexible spinal needle assembly, and a process for producing a flow element are provided.11-25-2010
20080312609Systems and Methods for Needle Access to an Intervertebral Disc - A catheter with a balloon anchor may be sized to fit through an inner needle and introduced into the patient through the needle. The inner needle may comprise an atraumatic needle with a side port and/or a blunt tip. The catheter may include a radiopaque coil disposed over the distal portion of the catheter body to assist with catheter placement when viewed with fluoroscopy and/or x-ray. The distal portion of the catheter can be very flexible. A balloon inflation tube may terminate proximal to a proximal end of the expandable balloon anchor such that the distal portion of catheter can be flexible. This termination of the inflation tube may also position the inflation tube away from the annulus and nerve roots, so as to avoid irritation of the annulus and rubbing of the nerve roots that may potentially obscure FAD test results.12-18-2008
20130218102MEDICAL HOLLOW NEEDLE AND METHOD FOR PRODUCING THE SAME - A medical hollow needle structured in accordance with the present invention, wherein the puncture resistance of a blade surface over the entire length in the puncture direction can be made substantially equal, and the patient's pain during needle puncture can be relieved due to a reduction in the peak level of puncture pain with the duration of sensory awareness of the puncture pain shortened by the use of the blade surface in a novel shape employing, in combination with each other, first to fourth inclined surfaces having specific inclination directions. Accordingly, the present invention provides a medical hollow needle with a blade surface in a novel shape whereby the puncture pain can be further reduced compared to needles with a conventional structure, and to provide a preferred method of producing such a medical hollow needle.08-22-2013
20080234640Needle Arrangement for a Low Vacuum Wound Drainage System - The invention provides a needle arrangement (09-25-2008
20120197215Apparatus and Method for Phacoemulsification - A phacoemulsification needle having a hollow passageway terminates in a straight needle tip having a rectangular cross-sectional shape larger than the cross-sectional shape of the needle passageway. The tip is formed off-axis from the passageway, allowing the needle tip to move eccentrically when the needle is subjected to torsional or longitudinal vibratory motion. The inner and outer surfaces of the needle tip are roughened, as by sandblasting, to enhance the cutting effect of the tip when used with a non-longitudinal handpiece. The lip of each needle tip is polished to a high degree of smoothness and the edges of the tip are rounded to lessen the incidence of snags or cuts.08-02-2012
20090137971Phacoemulsification Needle Tips for Torsional Motion - Phacoemulsification needle tips are provided with emulsifying surfaces enhancing their capacity to emulsify eye tissue when used with phaco handpieces that vibrate such needles torsionally. In one version, prongs are formed on the tip proximate the tip mouth and are bent to be positioned to provide additional emulsifying surfaces in both needle rotational directions. In another version, additional emulsifying surfaces are formed on the interior of the tip or the needle.05-28-2009
20090143749Method of manufacturing microneedle - A method of manufacturing a microneedle including the steps of forming a plurality of first linear grooves on a substrate in parallel to one another along a first direction using grinding, and forming a plurality of second linear grooves on the substrate in parallel to one another in a second direction intersecting the first direction using grinding.06-04-2009
20090143748Catheter Devices for Myocardial Injections or Other Uses - A catheter device includes an elongate tubular housing, a cannula, and a flexible proboscis. The cannula defines a cannula lumen which is in fluid communication with a cannula exit port located adjacent the distal end of the elongate housing. The distal tip of the cannula is disposed within the cannula lumen. The cannula defines a proboscis lumen and the cannula has a proboscis exit port in fluid communication with the proboscis lumen. The proboscis exit port is located at the distal tip of the cannula. The flexible proboscis has a distal tip and is disposed within the proboscis lumen.06-04-2009
20090326486APPARATUS TO INJECT FLUIDS INTO BONE MARROW AND OTHER TARGET SITES - Apparatus for delivering a quantity of fluid to bone marrow of a bone or providing access to remove fluids from a target site is provided. The apparatus may include a driver, a plunger operating and cartridge assembly mechanism, a cartridge assembly having a fluid reservoir and a bone penetrating needle.12-31-2009
20090326485BLUNT TIP VIAL ACCESS CANNULA AND METHOD FOR MANUFACTURE - A method of manufacturing a metal cannula is disclosed. The method includes the step of providing a metal cannula having a longitudinal axis and defining a fluid channel. Next, the metal cannula is pressed to substantially close the fluid channel and define a first segment and a second segment. In a next step, the metal cannula is cut to separate the first segment from the second segment of the metal cannula. Each of the first and second segments have a pressed edge. The pressed edge substantially seals the fluid channel and has two pressed corners. Afterwards, each of the pressed corners are cut from the pressed edge of the first segment to define a pair of side openings and a distal blunt edge on the first segment. The side openings are in fluid communication with the fluid channel.12-31-2009
200900937763D SOLID OR HOLLOW SILICON MICRONEEDLE AND MICROKNIFE WITH "-" SHAPE STRUCTURE - The present invention discloses a linear-edged 3D solid or hollow microneedle or microknife. A tip edge of the microneedle or microknife is a linear edge parallel to a group of (04-09-2009
20120035554DEVICE FOR VEIN STABILIZATION - Apparatuses and methods for performing and aiding venipuncture. The apparatuses of the present invention provide the medical practitioner with an improved tool for performing venipuncture methods. The apparatus preferably includes a handle that is connected to a plurality of tines that run roughly parallel to one another. During use, the tines of the apparatus are pressed against the skin of the patient such that they sit astride the vein to be accessed. The distance between the various tines of the present apparatuses varies so as to be able to accommodate a variety of vein widths. The apparatuses of the present invention may have tines at either one or both ends of the body of the apparatus. The apparatuses of the present invention may be used with a variety of vein accentuating devices, such as those that employ light to accentuate the vein to be punctured.02-09-2012
20110224629Inner Ear Drug Delivery Device and Method - A drug delivery device for the inner ear is described. A drug delivery member for the inner ear without any stimulation electrodes has an intra-cochlear portion that penetrates into the inner ear of the patient and contains a drug eluting polymer material having at least one therapeutic drug which is released over time in a therapeutically effective amount into fluid in the inner ear of the patient. An extra-cochlear portion of the drug delivery member resides in the middle ear of a patient and completely occludes where the intra-cochlear portion penetrates into the inner ear. An anchor rod is within the intra-cochlear portion of the drug delivery member and adapted to extend out into the middle ear, ending in a retrieval knob for pulling the drug delivery member out of the cochlea.09-15-2011
20110230846RAIL-GUIDED EPIDURAL-SPINAL NEEDLE - A rail-guided epidural-spinal needle, which includes an epidural needle including a base and a needle shaft connected to the base, the needle shaft having a groove that is formed on an outer surface of the needle shaft and extends along an axis of the needle shaft, the base having an elevated spinal needle inlet disposed thereon, the spinal needle inlet having a conduit formed therein, the conduit being of an acute angle with the groove in a side view of the epidural needle, and being in alignment with the groove in a top view of the epidural needle. The rail-guided epidural-spinal needle also includes a spinal needle having a tip with a unilaterally curved conformation down one side, such that, when the spinal needle is inserted into the conduit of the spinal needle inlet, and pushed forward, the tip thereof reaches the groove and slides along the groove.09-22-2011
20110144597Needle Targeting Apparatus for Implanted Device - A needle targeting apparatus comprises a sense head configured to locate an implanted device and a guide. The guide is associated with the sense head and comprises an upper surface, a lower surface, and a support member. The support member comprises a channel extending through the support member that provides access to an injection site. In some versions, a needle targeting apparatus comprises a locating feature, an alignment feature, and a support feature. The locating feature is configured to locate an implanted device. The alignment feature is configured to align a syringe needle with the implanted device. The support feature is configured to support a syringe upon insertion of the syringe needle into the implanted device. In some versions, a needle targeting apparatus comprises a sense head configured to locate an implanted device and a guide. The guide is configured to identify the center of the sense head.06-16-2011
20090254051DEVICE AND METHOD FOR TREATING VULNERABLE PLAQUE - A device and method is provided for localized agent delivery through a coronary vessel. In one configuration, the device includes an elongated member having a first and second end with a tip and an aperture positioned near the second end. An injection lumen places the first end of the elongated member in fluid communication with the aperture, permitting fluids such as contrast agent or therapeutic agents to be delivered therebetween. In an exemplary method, the device is tracked through a bend in the coronary anatomy, forcing the tip of the device toward the greater curve and through the vessel wall. The aperture may advanced to the desired location and agents may be delivered through the device into target tissue or space. Other configurations and embodiments of the device and method are presented,10-08-2009
20100274202Systems and methods for automatically inserting a needle into a living subject - Embodiments disclosed herein are directed to systems and methods for automatically inserting a needle into an insertion-target region of a living subject in response to a machine-vision system locating the insertion-target region. In an embodiment, a needle insertion system includes a moveable needle configured to be inserted into a living subject, a machine-vision system configured to locate an insertion-target region of the living subject, control electrical circuitry, and an actuator coupled to the control electrical circuitry. The control electrical circuitry may be coupled to the machine-vision system to receive location information therefrom about the insertion-target region, and configured to output needle targeting instructions. The actuator may be coupled to the control electrical circuitry to receive the needle targeting instructions therefrom and coupled to the moveable needle. The actuator may be configured to move the moveable needle to the insertion-target region automatically in response to receiving the needle targeting instructions from the control electrical circuitry.10-28-2010
20100168684Echogenic Enhancement for a Needle - A needle includes a surface with a plurality of first ultrasound reflecting depressions formed therein. The first depressions are distributed along at least a portion of a length of the needle separated from one another by intervening sections. Each of the first depressions is extending along a curve between first and second ends adjacent to corresponding ones of the intervening sections with troughs at which surfaces of each of the first depressions most closely approach a longitudinal axis of the needle being offset toward the first ends of each of the first depressions.07-01-2010
20100228203MICRONEEDLE DEVICE AND METHOD FOR PRODUCING THE SAME - Microneedle device is provided, which include microneedles that can be easily inserted into skin and dissolve or swell in skin. The microneedle devices comprise a substrate and cone-shaped or pyramid-shaped microneedles for skin insertion set on the substrate. The microneedles for skin insertion contain over 50 weight percent of one or multiple biomaterials chosen from chitosan, collagen, gelatin, hyaluronic acid, and they are fabricated from the materials that can dissolve or swell in the body.09-09-2010
20100114043Hollow Type Microneedle and Methods for Preparing It - Disclosed herein are hollow microneedles and a fabrication method thereof. The microneedles are small in diameter and are long and hard enough to pass through the stratum corneum. Therefore, the hollow microneedle of the present invention can be used in blood sampling or drug injection through the skin.05-06-2010
20110028916Huber Needle With Safety Tube - A Huber needle assembly includes a needle, a safety tube substantially around at least a portion of the needle, and a skin plate at one end of the safety tube. The safety tube is adapted to irretractably extend over the needle.02-03-2011
20090112169Medical Device Flexible Conduit and Method of Manufacture - A medical device flexible conduit includes an elongated Nitinol strip with a distal end, a proximal end, a longitudinal axis running from the distal end to the proximal end, a sharp head extending from the distal end, and a channel etched therein. Moreover, the channel is dispositioned along the longitudinal axis. The medical device flexible conduit also includes a flexible tube at least partially jacketing the elongated Nitinol strip between the distal end and the proximal end with the channel and the flexible tube defining a conduit. A method for manufacturing a medical device flexible conduit includes etching a channel into an elongated Nitinol strip and forming a sharp head on a distal end of the elongated Nitinol strip. The method also includes subsequently jacketing the flat elongated Nitinol strip with a flexible tube such that the flexible tube and channel define a conduit.04-30-2009
20100305518ACTIVE MICRONEEDLE ARRAY - An active microneedle array and method are provided for penetrating an outer layer of the epidermis. The active microneedle array includes a base having first and second sides. The first side of the base is engageable with the epidermis. A microneedle projects from the first side of the base. The microneedle is moveable between a first initial configuration and a second deformed configuration in response to engagement with the epidermis so as to form a passageway therein.12-02-2010
20110172609MICRONEEDLE COMPONENT ASSEMBLY FOR DRUG DELIVERY DEVICE - A device for delivering a drug to a subject is provided. The device includes a drug reservoir, a conduit coupled to the drug reservoir and a microneedle component. The microneedle component includes a body, an engagement structure coupling the microneedle component to the conduit, a hollow microneedle extending from the body, and a handling feature located on the body. The microneedle component is configured to be releasably coupled to an assembly tool via the handling feature during assembly of the device.07-14-2011
20110172610DEVICE AND A SYSTEM FOR DELIVERY OF BIOLOGICAL MATERIAL - The present invention provides a device and a system for the delivery of biological material across the biological tissue. The device may be for the programmed delivery of biological material through a needle or a micro-needle or micro-needles or biodegradable micro-needles.07-14-2011
20130138053TISSUE TRANSFER CANNULA - Cannula and handle systems and cannulas having substantially continuous interior pathways or channels are provided. The interior pathway may extend from the inlet to the cannula to the outlet, such that tissue collected at the inlet is carried to the outlet without contacting other components. Moreover, the substantially continuous nature of the interior pathway, with an absence of drop-offs, blind pockets or other discontinuities, facilitates cleaning. In addition, inlet holes are sized to promote the transfer of tissue through the channel to the outlet, and to avoid damaging collected tissue. Holes included in the inlet can be oblong, and can be slanted with respect to a longitudinal axis of the cannula.05-30-2013
20090036843NEEDLE-BASED MEDICAL DEVICE INCLUDING NEEDLE GUIDE AND METHOD FOR CONSTRUCTING - A needle-based medical device including a needle guide and a method for constructing the same are disclosed. The needle-based medical device includes a tube having a first lumen; a needle guide which is dimensioned to be inserted into the lumen of the tube, and a needle. The needle is inserted such that an end is positioned in the needle guide. A glue may also be provided to secure the needle guide to the tube. In one embodiment, the tube may be made of extruded plastic.02-05-2009
20100331794FLOW ELEMENTS FOR USE WITH FLEXIBLE SPINAL NEEDLES, NEEDLE ASSEMBLIES AND METHODS THEREOF - A flow element (12-30-2010
20100262089METHOD AND DEVICE FOR DELIVERING MEDICINE TO BONE - A device for implantation within a bone is provided. The device includes a first end, a second end, and a shaft connecting the first and second ends. The shaft defines a cannulation extending along at least a portion of the length of the shaft. The device includes a seal coupled to the shaft, and the seal includes an inner surface facing the cannulation of the shaft. The seal is configured to provide access to the cannulation following implantation of the device within a bone, and the seal is configured to self-seal after access is provided to the cannulation.10-14-2010
20110034884SYSTEMS AND METHODS FOR NAVIGATING AN INSTRUMENT THROUGH BONE - System and methods for channeling a path into bone include a trocar having a proximal end, distal end and a central channel disposed along a central axis of the trocar. The trocar includes a radial opening at or near the distal end of the trocar. The system includes a curveable cannula sized to be received in the central channel, the curveable cannula comprising a curveable distal end configured to be extended laterally outward from the radial opening in a curved path extending away from the trocar. The curveable cannula has a central passageway having a diameter configured allow a probe to be delivered through the central passageway to a location beyond the curved path.02-10-2011
20110034885NEEDLE FOR DIRECTIONAL CONTROL OF THE INJECTION OF BONE CEMENT INTO A VERTEBRAL COMPRESSION FRACTURE - A needle for use in a surgical procedure includes an outer cannula including a shaft portion having a side wall and an end wall. A first aperture extends through the side wall of the outer cannula, and a second aperture extending through the end of the outer cannula. The needle also includes an inner cannula that is disposed within the outer cannula and includes a shaft portion having a bore extending therethrough. The inner cannula is selectively movable relative to the outer cannula between a first orientation and a second orientation. In the first orientation, communication is provided between the bore of the inner cannula and a first external region that is located adjacent to the second end of the outer cannula. In the second orientation, communication is provided between the bore of the inner cannula and a second external region that is located adjacent to the second end of the outer cannula.02-10-2011
20100198169Method of manufacturing microneedle - A method of manufacturing a microneedle including the steps of forming a plurality of first linear grooves on a substrate in parallel to one another along a first direction using grinding, and forming a plurality of second linear grooves on the substrate in parallel to one another in a second direction intersecting the first direction using grinding.08-05-2010
20100063460DUAL-LUMEN NEEDLE - A dual-lumen needle for aseptic filling and withdrawal of fluids from septum-plugged containers.03-11-2010
20090216202DELIVERY NEEDLE APPARATUS WITH SLEEVE - A delivery needle apparatus in which a sleeve is fitted over an exterior surface of a delivery needle and methods of manufacturing the same. An elongate medical device may be delivered through the interior of the delivery needle and out of an opening in the distal end of the delivery needle (i.e., the delivery opening). The sleeve may cover a proximal portion of the delivery opening and may align an elongate medical device during insertion and/or withdrawal through the delivery opening.08-27-2009
20110071479Blood Vessel Access Instrument with Vessel Entry Indicator - A surgical instrument for administering fluids and having a vessel entry indicator to confirm proper placement of the surgical instrument within the vessel includes a vessel access member adapted for accessing a blood vessel and having insertion and trailing ends. The access member defines a primary lumen for administering fluids to the blood vessel and a secondary lumen. A pressure detector is in fluid communication with the secondary lumen. The pressure detector is adapted to detect pressure associated with a disposition of the insertion end of the access member in the blood vessel. The access member may define a port adjacent the leading end and in fluid communication with the secondary lumen. In one embodiment, the secondary lumen is independent of the primary lumen. The pressure detector may include a float valve responsive to pressure of blood entering from the blood vessel through the port and into the secondary lumen. In the alternative, the pressure detector includes a pressure gauge. The pressure gauge is adapted to register pressure associated with a presence of blood entering from the blood vessel through the port and into the secondary lumen.03-24-2011
20100004608PROCESS FOR PRODUCING MICRONEEDLE OF THERMOSENSITIVE SUBSTANCE - The invention provides a method of producing a microneedle. A jig is heated to a temperature above the level at which a temperature-sensitive material that exhibits thermoplastic deformation becomes viscoplastic, the jig is brought into contact with the temperature-sensitive material, and then the jig is pulled part from the temperature-sensitive material to elongate the portion of the temperature-sensitive material in contact with the jig, whereby acicular projections are formed.01-07-2010
20120123353An Ophthalmic Device and an Intravitreal Method - The invention relates to an ophthalmic device for intravitreal administration of a substance into a human or animal eye by means of a needle. The device comprises a support structure having a lower surface for contacting the conjunctiva of the sclera, the lower surface being provided with an aperture for receiving the needle. The support structure further comprises a substantially tapering part directed away from the lower surface. In addition, the device comprises a channel provided in the tapering part wherein a first end of the channel forms the aperture in the lower surface.05-17-2012
20080215017METHOD OF MAKING COBALT-BASED ALLOY TUBES HAVING ENHANCED MECHANICAL PERFORMANCE CHARACTERISTICS AND A TUBE FORMED BY THE METHOD - A method for the manufacture of cobalt-based tubes is provided, wherein cobalt alloy strips are formed into tubes, and the drawn tubes are subjected to hardening and/or stress relieving by heat treatment. A synergistic effect of the material composition, the tube drawing and the heat-treatment process results in production of tubes with significantly enhanced mechanical performance attributes.09-04-2008
20110087175Method and apparatus for locating the fossa ovalis, creating a virtual fossa ovalis and performing transseptal puncture - Apparatus is provided of locating the fossa ovalis in a patient by locating at least one of the His bundle, the plane of the interatrial septum, and the coronary sinus ostium in a patient, and thereafter locating the fossa ovalis on the basis of one or more predetermined distances between these locations. Software is also provided that can determine and display the location of the fossa ovalis in a patient based on predetermined distances between the locations. Such software can for example be provided within an electroanatomical system. Methods of determining the location of the fossa ovalis, performed by either a clinician or a central processing unit-controlled surgical system, are also provided and determined using predetermined measurements from defined locations. An apparatus for locating the fossa ovalis and performing a transseptal puncture is also provided.04-14-2011
20110125108SURGICAL INSTRUMENT PREFERABLY WITH TEMPERATURE CONTROL - A surgical needle has shape memory. An endoscope tool controls the temperature of a foreign body or surgical instrument such as an endoscopic needle.05-26-2011
20110125107METHODS AND DEVICES FOR SENSING TISSUES AND TISSUE COMPARTMENTS - An apparatus provides feedback regarding the material in which tip of the apparatus is located as the tip is advance into matter of varying resistances. The apparatus responds to a change in pressure, force, or other parameter such that when the tip reaches matter of a certain resistance, a change in the parameter is sensed. The apparatus provides a driving force to a penetrating medical device, such as a needle, when the apparatus tip encounters material of high resistance. When the apparatus tip encounters a low resistance material, no further driving force is applied to the apparatus. An inner core may be advanced into the low resistance material for deployment of a gas or a liquid as desired.05-26-2011
20100305517PUNCTURE DEVICE - A puncture device that reliably acts on the target body site is proposed. The puncture device includes a luminal puncture body 12-02-2010
20100305519CANNULA HAVING AN OVERLAPPING CANNULA FEATURE AND NOTCH FEATURE - A cannula having a notch feature and a cannula feature that at least partially overlap each other is described herein. Generally, the cannula comprises a tubular shaft with a substantially constant outer diameter. The cannula feature comprises at least one surface that extends laterally past the cannula's outer diameter. For instance, the cannula feature may comprise a crimp feature or a welded ferrule feature. The cannula feature further comprises a distal end and a proximal end. Accordingly, a portion, if not all, of the notch feature is disposed between the cannula feature's distal end and proximal end. The cannula may be used in any suitable assembly, including a catheter assembly comprising a needle capture mechanism.12-02-2010
20100305516Methods and moulds for use in fabricating side-ported microneedles - Side-ported microneedles are produced from a suitably shaped microneedle mould (12-02-2010
20100324506SYSTEMS AND METHODS FOR NAVIGATING AN INSTRUMENT THROUGH BONE - System and methods for channeling a path into bone include a trocar having a proximal end, distal end and a central channel disposed along a central axis of the trocar. The trocar includes a radial opening at or near the distal end of the trocar. The system includes a curveable cannula sized to be received in the central channel, the curveable cannula comprising a curveable distal end configured to be extended laterally outward from the radial opening in a curved path extending away from the trocar. The curveable cannula has a central passageway having a diameter configured allow a probe to be delivered through the central passageway to a location beyond the curved path.12-23-2010
20110152793SURGICAL INSTRUMENT FOR INJECTING A PHARMACEUTICAL PRODUCT THROUGH DENSE TISSUE OF A HUMAN OR ANIMAL BODY AND METHOD FOR PERFORATING SAID DENSE TISSUE - A surgical instrument for perforating dense tissue of a human or animal body and for injecting a pharmaceutical product behind the tissue. The instrument includes a hand-piece with a housing for a pharmaceutical product container. The hand-piece has two opposite ends, one of which includes an axial throughway leading into the housing for passing a perforator injection needle inserted in the container. The other end is used to drive the container and needle in rotation. The surgical instrument further includes a member that, during perforation, can exert pressure on the pharmaceutical product in the container inserted in the housing to prevent perforation debris from entering into the needle.06-23-2011
20110137266Catheter - A catheter fabricated of incineratable polymeric material, including a solid pusher rod closely mated to the interior of the cannula, engagable with the front tapered end thereof to strengthen the cannula during insertion into the body.06-09-2011
20100191195CANNULATED APPARATUS AND METHOD RELATING TO MICROFRACTURE AND REVASCULARIZATION METHODOLOGIES - The present invention relates to a carrnulated microfracture kit, apparatus, and method for using the same during a medical treatment. The present kit enables precise and repeated positioning, the regulation and repetition of microfracture force application, and a control of a mosaic bone penetration and other surgical control improvement features. The present invention overcomes the detriments resultant from prior techniques in an apparatus that is readily adaptable to a variety of adaptive orthopedic surgical procedures. Assembled and selectable kits are provided.07-29-2010
20110152792MICRONEEDLE ARRAY USING POROUS SUBSTRATE AND PRODUCTION METHOD THEREOF - In order to produce a microneedle array which includes a macromolecular drug such as a vaccine antigen and insulin at its acral portion using a water-soluble thread-forming polymer for a base, there is a need for a substrate which enables a solvent to be efficiently removed so that a base dense solution containing a target substance can be dried and cured while still inserted in a mold. This problem is resolved by using a porous water-insoluble substrate or a porous filter as a substrate, which allows drying and curing as well as peeling from a female mold to be carried out while the base dense solution containing a target substance is still filled in the mold.06-23-2011
20100016810DEVICES AND METHODS FOR FORMING TRACTS IN TISSUE - Described here are devices and methods for forming one or more tracts in tissue. The tracts may be formed in any suitable or desirable tissue, and may seal relatively quickly without the need for a supplemental closure device. In some variations, the methods may comprise clamping at least a portion of a tissue and advancing a tissue-piercing member through the clamped tissue to form a tract. The tract may, for example, provide access for one or more tools.01-21-2010
20090099537PROCESS FOR MAKING MICRONEEDLES, MICRONEEDLE ARRAYS, MASTERS, AND REPLICATION TOOLS - A process for making a microneedle array master comprises: (a) providing a photoreactive composition, the photoreactive composition comprising: (1) at least one reactive species that is capable of undergoing an acid- or radical-initiated chemical reaction, and (2) at least one multiphoton photoinitiator system; and (b) imagewise exposing at least a portion of the composition to light sufficient to cause simultaneous absorption of at least two photons, thereby inducing at least one acid- or radical-initiated chemical reaction where the composition is exposed to the light, the imagewise exposing being carried out in a pattern that is effective to define at least the surface of a plurality of microneedles. The microneedles may be solid and the outer surface of the microneedles may be characterized by at least one concave area. The master may be used to fabricate a tool for replication.04-16-2009
20100100058Micro-Vitreoretinal Trocar Blade - Embodiments of a micro-vitreoretinal trocar blade may have a top surface and a bottom surface that converge to form cutting edges. Each of the top surface and bottom surface have a large rounded apex to maximize the area of the blade. Each surface also has concave regions that may form the cutting edges. Advancing the MVR trocar blade into tissue causes the tissue to contact the apexes of the top and bottom surfaces. The apexes draw the tissue into contact with the cutting edges. The cutting edges incise the tissue such that the incision is sized to accommodate a trocar cannula. The geometry of the top surface and bottom surface ensure that the features of the blade do not protrude radially outside of the diametral envelope of the shaft.04-22-2010
20120041395METHOD AND DEVICE FOR DELIVERING MEDICINE TO BONE - A system for communicating fluid to or from a bone includes an insert. The insert includes a shaft extending between proximal and distal ends of the insert, a fenestration, and an expandable portion coupled to the shaft. The shaft is cannulated along at least a portion of the shaft between the proximal and distal ends. The fenestration is disposed along the cannulated portion of the shaft. Outer surfaces of the expandable portion are configured to expand laterally outward to increase the cross-sectional area of the expandable portion orthogonal to the shaft.02-16-2012
20120041394OPTIMIZED INTRACRANIAL CATHETERS FOR CONVECTION-ENHANCED DELIVERY OF THERAPEUTICS - A primable catheter including a thermoreactive, viscoelastic material that is internally supported with a trocar wire. The primable catheter further includes a multi-chamfered tip and a gap interposed between an inner surface of the catheter and the outer surface of the trocar, such that a priming fluid is permitted to flow through the catheter and purge air trapped between the trocar and the inner surface of the catheter. Following insertion of the catheter, the trocar is removed and a therapeutic is infused via the catheter.02-16-2012
20120041393Apparatus and Method for Capsule Formation in Tissue - Capsules, emplacement apparatus, and associated methods for establishing a capsule within tissue are described herein. The emplacement apparatus may be catheter-based or implemented in a handheld unit. The emplacement apparatus serves to introduced an encapsulating membrane in a collapsed condition into the tissue, and then to expand the encapsulating membrane within the tissue into a capsule by injection of fill material into the encapsulating membrane. Other than being capable of injection through the emplacement apparatus, the fill material may be selected and formulated to achieve such mechanical and biological properties within the encapsulating membrane after injection as are desired to achieve the therapeutic effect sought for the patient. Mechanically, the fill material within the encapsulating membrane after injection may be a liquid, a semi-solid such as a gel, or a solid such as a cross-linked polymer. The fill material may or may not be sealed within the encapsulating membrane.02-16-2012
20110071480SPINAL CANNULA HAVING LIQUOR DETECTION - A spinal cannula with a needle hub having a transparent area for observing the liquor flowing through a hollow cavity of the needle hub. A means for refracting or reflecting rays of light is provided in or at the transparent area of the needle hub. The means for refracting or reflecting rays of light may be formed as one or more prisms.03-24-2011
20120004626MICRONEEDLE DEVICE - The present invention aims to allow high molecular weight active ingredients to be contained in a coating agent substantially uniformly. For this purpose, a microneedle device 01-05-2012
20120004625SPINAL NEEDLE INCLUDING A CHAMBER FOR IDENTIFYING CEREBROSPINAL FLUID - Disclosed herein is a spinal needle for epidural and spinal anesthesia and analgesia. The needle is formed by three main elements: the first one is a fastening member which allows the user to grab the needle with the fingers; the second element is a chamber that receives an amount of cerebrospinal fluid (CSF); and the third element of the spinal needle is a cannula in fluid communication with the chamber and further attached to the fastening member. The chamber is preferably transparent in order to readily detect the presence of CSF inside the needle. In a preferred embodiment, the chamber has a bottom wall that supports the needle in its entirety. The fastening member and the chamber comprise tactile markings with the same orientation as that of the tip of the cannula, to become aware of the direction in which the anesthetic will be supplied.01-05-2012
20120010577INSERTER ASSEMBLY FOR A PERIPHERAL CATHETER WITH A PLASTER MEMBER, METHOD OF CONFIGURING THE INSERTER ASSEMBLY WITH THE PERIPHERAL CATHETER, AND METHOD OF PERFORMING A BLOOD VESSEL PUNCTURE - An inserter assembly for a peripheral catheter assembly configured with an adhesive plaster member, wherein the catheter tube extends through the plaster member. The inserter assembly includes a first inserter part having first and second legs, a bridge member connecting the first and second legs at a distance from each other, with the bridge member adapted for detachably engaging or holding at least a part of the needle module extending coaxially between the first and second legs. The inserter assembly includes a second inserter part for covering the needle. The plaster member impairs visual sight and the line of vision to the needle tip during puncture may be impaired. To prevent this the first inserter part serves for holding a back-folded part of the plaster member.01-12-2012
20120116324CATHETER - A catheter fabricated of unitary incineratable polymeric material, including a removable solid pusher rod closely mated to the interior of the cannula, engagable with the front tapered end thereof to strengthen and stiffen the cannula during insertion into the body.05-10-2012
20120157936DELIVERY NEEDLE APPARATUS WITH SLEEVE - A delivery needle apparatus in which a sleeve is fitted over an exterior surface of a delivery needle and methods of manufacturing the same. An elongate medical device may be delivered through the interior of the delivery needle and out of an opening in the distal end of the delivery needle (i.e., the delivery opening). The sleeve may cover a proximal portion of the delivery opening and may align an elongate medical device during insertion and/or withdrawal through the delivery opening.06-21-2012
20120209219Adhesive and Peripheral Systems and Methods for Medical Devices - A repeater system may control a pump by using a repeater and a user interface. An adhesive patch system may be used for affixing a pump or other object to a human body. Such an adhesive patch system may include two sets of adhesive members, each member including an adhesive material on at least one side so as to attach to the body. The members of the first set are spaced to allow the members of the second set to attach to the body in spaces provided between the members of the first set, and the members of the second set are spaced to allow members of the first set to detach from the body without detaching the members of the second set. Also, fill stations and base stations are provided for personal pump systems.08-16-2012
20120123355ERODIBLE EMBOLIZATION MATERIAL - An embolization agent for use with a therapeutic drug solution for treating diffuse diseases in a targeted tissue vessel of a patient and a process thereof is presented. This embolization agent comprises an inner core of a fast dispersing material having a diameter less than a predetermined size for the opening in the targeted tissue vessel; and an outer sphere of an embolization material encompassing the inner core and having an initial diameter to occlude the initial opening in the targeted tissue vessel. During the treatment of the disease, the outer sphere of embolization material erodes at a predetermined rate, enhancing penetration of the embolization agent into the opening in the targeted tissue vessel. The inner core disperses into the targeted tissue vessel after becoming exposed by the erosion of the embolization material of the outer sphere.05-17-2012
20120109079Telescoping Catheter Delivery System for Left Heart Endocardial Device Placement - A transseptal catheter delivery system includes an elongate first tubular member and an elongate second tubular member receivable within the first tubular member. The first tubular member includes an adjustable portion adjacent a distal end. The second tubular member is adapted to receive an instrument to be placed in the left ventricle, and includes a curved portion adjacent its distal end in a relaxed state. The adjustable portion is deflectable toward the atrial septum to guide a puncturing tool and/or guide insertion of the second tubular member through a septal puncture into the left atrium. Within the left atrium, the curved portion is oriented toward the left ventricle to guide insertion of a guide wire, and subsequently the second tubular member, into the left ventricle. Methods of transvenously accessing a left ventricle are also provided.05-03-2012
20110040262DEVICE AND METHODS TO FACILITATE CANNULATION AND PREVENT NEEDLE PUNCTURE BLEEDING OF AN ARTERIOVENOUS FISTULA - In general, the present application is directed to devices and methods to facilitate cannulation and prevent needle puncture bleeding of an arteriovenous fistula. For instance, in one embodiment, a device for locating an arteriovenous fistula and occluding an arteriovenous fistula needle puncture site is provided. The device includes a body formed from a self-sealing biocompatible material, the body having a semi-curved shape with two edges that extend along the length of the body. The body is configured to conform to the contour of a portion of an arteriovenous fistula with the edges configured to be generally parallel to the length of an arteriovenous fistula. The edges provide a tactile clue when focal pressure is applied to the skin above an arteriovenous fistula. The body provides a barrier to limit bleeding from a posterior portion of an arteriovenous fistula.02-17-2011
20110040263Inserter Assembly - An assembly according to the invention comprises an inserter device (02-17-2011
20120123354CATHETER DEVICE WITH NEEDLE GUARD - The present disclosure relates to a catheter device comprising a catheter hub in which a valve member is disposed, a needle fixed in a needle hub, the needle extending through the valve member in the catheter hub in a ready position, and a tubular receptacle in which the needle hub is displaceably guided and biased by a spring in a proximal direction relative to the receptacle, wherein the needle hub is releasably held in the ready position in the receptacle against the force of the spring by frictional force between needle circumference and catheter or catheter hub, which frictional force is reduced on retraction of the needle through the catheter hub such that the force of the spring prevails.05-17-2012
20090131887Method of manufacturing microneedle - The invention discloses a method of manufacturing a microneedle including the steps of forming an island etching mask having thickness distribution on a substrate, and processing the substrate into a needle by taking advantage of a difference in etching rates between the etching mask and the substrate. The invention enables to readily control a point angle and height of the manufactured needle.05-21-2009
20090131886STEERABLE VERTEBROPLASTY SYSTEM - Methods and devices for augmenting bone, such as in performing vertebroplasty are disclosed. A bone cement injection needle is provided, having a laterally deflectable distal end. Systems are also disclosed, including the steerable injection needle, introducer and stylet. The system may additionally include a cement delivery gun, one-time use disposable cement cartridges and a cement mixing chamber. Methods are also disclosed.05-21-2009
20090131885Curved Irrigation/Aspiration Needle - An irrigation/aspiration needle has needle segments offset with one another and with the needle amount to position the needle port more accurately and conveniently. The port is preferably positioned at various selected sites on the needle.05-21-2009
20120172820MULTICHANNEL MICRO-NEEDLES - A micro-needle (07-05-2012
20130172828ENDOSCOPIC GUIDE WIRE TRACK - A medical device may include an end effector configured to perform a therapeutic procedure. The medical device may further include a guide having a modifiable shape. The guide may be adapted for insertion through a lumen of an access tube. Also, the end effector may be selectively attachable to the guide and configured to move along the guide.07-04-2013
20100298784Manual Intraosseous Device - An apparatus for penetrating the bone marrow of a bone is provided. The apparatus includes a handle having a drive shaft, a connector having a first end operable to connect to a drive shaft and a second end operable to connect to a penetrator hub and a penetrator hub having a penetrator that accesses the bone marrow.11-25-2010
20100274203CONTAINER FOR TRANSDERMAL DELIVERY OF ACTIVE AGENT USING MICRONEEDLES - A container for transdermal delivery of an active agent or agents using microneedles includes a reservoir adapted to receive a substance containing an active agent or agents; and a cover member adapted to cover an entrance of the reservoir, the cover member comprising one or more through-holes formed therein and one or more microneedles formed thereon. With the container, transdermal delivery can be made conveniently, easily, and effectively.10-28-2010
20120259295Medical Product with Biodegradable Portion - Embodiments of the present disclosure provide a medical product with a biodegradable portion. The biodegradable portion is made of a biodegradable material and the biodegradable portion degrades faster than the remaining portion of the medical product.10-11-2012
20100010457APPARATUS AND METHODS FOR FORMING GASTROINTESTINAL TISSUE APPROXIMATIONS - Apparatus and methods are provided for forming a gastrointestinal tissue fold by engaging tissue at a first tissue contact point, moving the first tissue contact point from a position initially distal to a second tissue contact point to a position proximal of the second contact point to form a tissue fold, and extending an anchor assembly through the tissue fold near the second tissue contact point.01-14-2010
20090062752Switchcable microneedle arrays and systems and methods relating to same - The microneedle devices disclosed herein in some embodiments include a substrate; one or more microneedles; and, optionally, a reservoir for delivery of drugs or collection of analyte, as well as pump(s), sensor(s), and/or microprocessor(s) to control the interaction of the foregoing. A switch or switching matrix may be connected to the microneedles to provide a switching mechanism for opening and closing a circuit coupled to the microneedle. A switch or switching matrix may be connected to the microneedle to provide a switching mechanisms for opening and closing a circuit coupled to the microneedle.03-05-2009
20120253297ULTRASOUND-GUIDED PIERCING NEEDLE AND INDWELLING NEEDLE - An ultrasound-guided piercing needle constituting the internal needle of an indwelling needle has ridged and grooved portions which reflect ultrasonic waves. The ridged and grooved portions comprise grooves, which are disposed on the outer periphery near the tip having a blade face, and ridges, which are arranged on both sides of the grooves.10-04-2012
20120271250MEDICAL NEEDLES AND ELECTRODES WITH IMPROVED BENDING STIFFNESS - A device for penetrating tissue includes an elongated element having a distal end, a proximal end, a body extending between the distal and the proximal ends, and a lumen located within at least a portion of the body, wherein the lumen has a cross-sectional shape that is a polygon. A device for penetrating tissue includes an elongated element having a distal end, a proximal end, and a body extending between the distal and the proximal ends, at least a portion of the body having a cross-sectional profile that is a polygon, wherein the elongated element is a cannula.10-25-2012
20120271249METHOD FOR CHEMICAL ETCHING OF A NEEDLE CANNULA - A regular metallic, cylindrical tubular needle cannula (10-25-2012
20120238968APPARATUS AND METHOD FOR ACCESSING AN INTRAPERICARDIAL SPACE - A medical device is disclosed herein that is configured to engage and penetrate a pericardial sac. The device includes an outer tubular body, an inner tubular body, and a helical tissue engagement member. The outer tubular body includes a proximal end, a distal end and a lumen extending between the ends. The inner tubular body includes a proximal end and a distal end. The inner tubular body is located in the lumen of the outer tubular body. The proximal end of the inner tubular body is operably coupled to the proximal end of the outer tubular body. The distal end of the inner tubular body is extendable out of the distal end of the outer tubular body. The helical tissue engagement member is displaceable from a first position to a second position, the first position being in the lumen of the outer tubular body recessed relative to the distal end of the outer tubular body, and the second position extending out of the distal end of the outer tubular body. The helical tissue engagement member is also rotatable relative to the outer tubular body.09-20-2012
20110046576TISSUE AUGMENTATION DEVICES AND METHODS - Tissue augmentation devices, as well as methods of manufacturing and using the same, are disclosed. In certain embodiments, a tissue augmentation device comprises an elongate tissue penetrating member and an amount of remodelable material, wherein at least a portion of the elongate member is cannulated, and at least a portion of the amount of material is received within at least a portion of the cannulated portion of the elongate member. The elongate tissue penetrating member may provide at least one deformation that is configured to constrict portions of the amount of remodelable material received within the elongate member. In alternate embodiments, a flexible covering over an implantable biomaterial provides protection and allows an easier delivery of the biomaterial to a tissue tract.02-24-2011
20110238020OPTICAL MEASUREMENT CATHETER FOR THERMODILUTION MEASUREMENT AND PULSE CONTOUR ANALYSIS - The invention relates to a catheter device with an integrated fiber optic, in particular for use in thermodilution measurement and pulse contour analysis. The device comprises an arterial catheter (09-29-2011
20100234817OCULAR TROCAR ASSEMBLY - The invention provides a trocar assembly for delivering a payload into tissue, such as an eye, comprising a primary housing, a cannula, a payload, an actuator and a trocar.09-16-2010
20120277691Device for Removing a Huber Needle from a Patient - A one-piece connector for removing a housing and needle of a Huber needle assembly from a patient. The connector has a frame that can be positioned about a surface on the housing of the needle assembly and a pair of wings that pivot toward one another to provide a gripping surface.11-01-2012
20120330250MICRO-NEEDLE DEVICE - An object of the present invention is to efficiently inject a drug (physiologically active substance). Therefore, a micro-needle device 1 comprises a base plate 2 and a micro-needle 3 installed on the base plate 2. A coating agent containing the physiologically active substance is coated at least at a part of the micro-needle 3, and a coating range thereof is 100 to 230 μm including the top of the micro-needle 3. A load due to the energy of 0.2 to 0.7 J/cm12-27-2012
20110319839DISPOSABLE SURGICAL INSTRUMENTS - Various disposable cannulas and retractable cutting instruments are disclosed for use in cosmetic surgical procedures and the like.12-29-2011
20110319838Catheter Assembly with Seal Member - A catheter assembly includes a catheter hub defining an interior cavity and a catheter tube extending distally thereof. A rigid actuator extends proximally in the interior cavity and supports a seal member thereon. The seal member includes a central membrane, a distal portion, and a proximal portion. An hourglass shaped actuator cavity is formed in the distal portion and receives a barbed end of the actuator. The outer surface of the seal member is in partial circumferential engagement with the catheter hub to define an air path that allows fluid communication between areas of the interior cavity distal and proximal of the seal member. A punch tool is provided to form a tri-slit in the membrane of the seal member.12-29-2011
20120101457NEEDLE DEVICE - A needle device is provided, which includes a support portion having a first and second main surface and at least one projecting portion extending from the first main surface of the support portion. The projecting portion is constituted of a material includes pectin and an alginate.04-26-2012
20120289911Flexible Needle - An endoscopic instrument comprises a first flexible insertion member sized for insertion through a body lumen to a target site and a needle coupled to the insertion member for penetration of tissue, the needle including a plurality of flexibility enhancing grooves formed therein along at least a first portion of the length of the needle.11-15-2012
20100185162METHOD OF MANUFACTURING MICRONEEDLE - The invention discloses a method of manufacturing a microneedle including the steps of forming an island etching mask having thickness distribution on a substrate, and processing the substrate into a needle by taking advantage of a difference in etching rates between the etching mask and the substrate. The invention enables to readily control a point angle and height of the manufactured needle.07-22-2010
20100185161SYSTEMS AND METHODS FOR NAVIGATING AN INSTRUMENT THROUGH BONE - System and methods for channeling a path into bone include a trocar having a proximal end, distal end and a central channel disposed along a central axis of the trocar. The trocar includes a radial opening at or near the distal end of the trocar. The system includes a curveable cannula sized to be received in the central channel, the curveable cannula comprising a curveable distal end configured to be extended laterally outward from the radial opening in a curved path extending away from the trocar. The curveable cannula has a central passageway having a diameter configured allow a probe to be delivered through the central passageway to a location beyond the curved path.07-22-2010
20120136320Methods of Transvascular Retrograde Access Placement and Devices for Facilitating the Placement - A system for providing transvascular retrograde access in a central blood vessel of a patient. In some embodiments, the system has a handle; a catheter extending from the handle; and a tissue piercing element extending from the handle through the catheter, the tissue piercing element having a sharp distal tip adapted to extend from a distal portion of the catheter, the catheter and handle being adapted to be separated from the tissue piercing element, a distal portion of the tissue piercing element being adapted to serve as a guide for introduction of a device into the central blood vessel. The invention also includes a method of providing transvascular retrograde access to a central blood vessel of a patient.05-31-2012
20100137816Injection of fibrin sealant including an anesthetic in spinal applications - A method of treating a disc that is leaking nucleus pulposus through at least one defect in the annulus fibrosus. The method includes injecting a fibrin sealant into the disc to reduce at least a portion of the at least one defect, wherein the fibrin sealant injected into the disc comprises an anesthetic, fibrinogen and an activating compound, wherein at least a portion of the fibrin forms after injection, with the proviso that a corticosteroid is absent from the fibrin sealant injected into the disc.06-03-2010
20110160682MEDICAL DEVICE - A medical device for the delivery of fluids into or through the wall of a biological space or conduit is described. The medical device comprises one or more actuators, which may exist in a constrained configuration which is substantially parallel to the longitudinal axis of the device or an unconstrained configuration in which at least a portion of the one or more actuators is oriented substantially non-parallel to the longitudinal axis of the device. The device further comprises tissue penetrators, which may be attached to the actuators or contained within the actuators. Upon positioning of the device at the target treatment site within a biological space or conduit, the operator may release the actuators from their constrained position, allowing the actuators to adopt their unconstrained position and make contact with an adjacent wall of a biological space or conduit. The actuators are configured to minimize the physical contact between the device and the target tissue, thereby permitting uniform and enhanced delivery of fluids into less compressed tissue, with reduced tissue trauma.06-30-2011
20080243092BLOOD EXPOSURE PREVENTION IN VASCULAR ACCESS DEVICES - An extravascular system includes a catheter assembly, a needle assembly, and a hemostatic adapter. The catheter assembly defines a lumen extending from an opening at a distal end thereof to a catheter hub at a proximal end thereof. The needle assembly includes a needle hub disposed at a proximal end of a needle disposed within the lumen defined by the catheter assembly. The needle has a needle tip extending from the opening of the catheter assembly. The hemostatic adapter defines a passage and is adapted to be operatively associated with the needle assembly and the catheter assembly. The hemostatic adapter further includes at least one liquid-reactive material adapted to at least substantially seal the passage upon contact with one or more liquids. The liquid-reactive material is selected and configured to morph upon contact with liquids to provide a mechanical barrier to prevent blood flow. A fluid may be injected into the lumen and/or passage by way of an optional port to provide a fluidic barrier in addition to the mechanical barrier.10-02-2008
20080221532MICRONEEDLE SHEET AND METHOD FOR MANUFACTURING THE SAME - In a microneedle sheet having a microneedle array composed of a large number of microneedles Formed on the surface of the sheet, the ridge lines or conical plains of the microneedles are curved inward into said microneedles. Since the ridge lines or conical planes of the microneedles have a shape curved inward into the microneedles, a microneedle sheet that can be smoothly inserted into the skin can be provided.09-11-2008
20080200883Micro-needle and micro-needle patch - Insertion of a micro-needle into a living body is made easy. The micro-needle includes first and second end sections arranged in a longitudinal direction and is made of a biocompatible and biodegradable material including chitin and/or chitosan.08-21-2008
20110276014ANESTHETIC COMPOUND NEEDLE - An unlocked state, in which an inner needle can be advanced or retracted relative to an outer needle, and a locked state, in which the inner needle cannot be advanced or retracted relative to the outer needle, can be switched by a simple operation without rotating an inner needle. A front portion of a tubular inner needle proximal end portion disposed at a proximal end of the inner needle is attached to a rear end portion of a tubular adaptor, a tubular outer needle proximal end portion disposed at a proximal end of the outer needle is inserted from a distal end of the adaptor, and a distal end of the inner needle is caused to protrude from a distal end of the outer needle. A plurality of grooves are formed in parallel in a peripheral direction in a lower surface of the outer needle proximal end portion, a restricting plate having an insertion hole through which the outer needle proximal end portion is inserted is inserted into the adaptor from an opening formed in an upper surface of the adaptor. A protrusion is formed on a lower surface of the insertion hole. The protrusion protrudes upward and engages with one of the grooves of the outer needle proximal end portion. When the restricting plate is pushed down, the groove of the outer needle proximal end portion and the protrusion of the restricting plate are disengaged from each other and the inner needle is set to the unlocked state in which the inner needle is able to be advanced or retracted relative to the outer needle, and when the pushing down is released, the restricting plate moves up and one of the grooves of the outer needle proximal end portion and the protrusion of the restricting plate are engaged with each other and the inner needle is set to the locked state.11-10-2011
20080319404Microneedle Devices - Microneedles and microarrays comprising such microneedles are described. The microneedles comprise: a base; a shaft portion extending from the base to a second end distal from the base; a microblade structure extending from the second end; capillary spaces associated with the microblade structure; and a coating in the capillary spaces, the coating comprising an active component. The invention also provides a method for delivering an active component through mammalian skin, comprising: applying the medical device to mammalian skin so that the at least one microneedle is inserted through the stratum corneum and the active component is exposed to interstitial fluids; and allowing the at least one microneedle to remain inserted through the stratum corneum for a sufficient amount of time to dissolve the active component. In another aspect, the invention provides a method for applying an active component to a microneedle, comprising: providing a microneedle, comprising: a base, a shaft portion extending from the base to a second end distal from the base, a microblade structure extending from the second end, and capillary spaces associated with the microblade structure; applying a liquid coating to at least the microblade structure of the microneedle, the liquid coating comprising an active component; and drying the liquid coating to provide a dried coating of active component, the dried coating located at least within the capillary spaces of the microblade structure.12-25-2008
20130184660SELF-SEALING CATHETERS - Provided are catheters useful for penetrating the vascular wall and delivering medicament as necessary to tissue proximate the vasculature. Such catheters are particularly useful in delivering site specific medicaments to the tissue which can be damaged by hemorrhagic stroke, ischemia, and the like. Methods of using such catheters are also disclosed.07-18-2013
20120095417Surgical Delivery Instrument and Method - A surgical instrument includes a needle extending between a proximal end and a distal end. The needle defines a longitudinal axis. The needle includes an elongated cavity that defines an opening disposed proximal to the distal end. A wire extends between a proximal end and a distal end configured for fixation with tissue. The wire is configured for movable disposal within the cavity. The distal end of the wire includes a retainer configured to prevent advancement of the retainer within the tissue. Methods of use are disclosed.04-19-2012

Patent applications in class Body piercing condit (e.g., needle, etc.)

Patent applications in all subclasses Body piercing condit (e.g., needle, etc.)