35th week of 2008 patent applcation highlights part 64 |
Patent application number | Title | Published |
20080208133 | SYSTEMS AND METHODS FOR GAINING ACCESS AROUND AN IMPLANTED MEDICAL DEVICE - Systems for gaining access into a body of a patient around an implanted body of an elongate medical device include a sheath having a deformable wall that allows insertion of the device body into a lumen surrounded by the sheath wall. The sheath wall may include first and second edges that extend from a proximal end to a distal end of the lumen, or just extend along a distal portion of the lumen. A tool, which includes a groove sized to grasp about a circumference of the device body, may facilitate insertion of the device body into the lumen of those sheath embodiments that include the first and second edges, by spreading at least one of the first and second edges of the wall apart from the other of the first and second edges while the device body is grasped within the tool. | 2008-08-28 |
20080208134 | Micro-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 includes a biocompatible material, wherein the first end section tapers down from it's end on a side of the second end section toward another end thereof and the maximum apical angle of the first end section falls within a range of 9 to 53°. | 2008-08-28 |
20080208135 | Implantable weight control device - The present invention provides an endoscopically implantable weight control device that forms a gastric outlet obstruction in a patient's digestive tract. The weight control device includes an inflatable body residing within the patient's pylorus and between the stomach and duodenum. The body features a first bulbous portion and a second bulbous portion, the exterior dimensions of the first bulbous portion exceeding the exterior dimension of the second bulbous portion. The body also includes an intermediate portion with exterior dimensions that are less than the exterior dimensions of both the first and second bulbous portions, wherein the intermediate portion resides within the patient's pyloric valve when the device is implanted. An internal passageway extends through the body, wherein the passageway receives and allows for the passage of chyme from the stomach to the duodenum. A method of treating obese patients with the inflatable weight control device utilizing a sequence of different-sized devices is also provided. | 2008-08-28 |
20080208136 | Bone-penetrating member for intraosseous infusion and aspiration devices - Apparatus are disclosed for intraosseous fluid infusion or aspiration of bone marrow of a subject. Particular apparatus include a bone portal (bone-penetrating member) comprising axially-aligned distal and proximal sections. The proximal section extends in a distal direction from a proximate end of the bone portal and the distal section extends in the distal direction from the proximate section to the distal end of the bone portal. The bone portal also comprises a fluid-transport bore extending between a proximal opening in the proximal section and a distal opening in the distal section. At least a portion of the distal section has a cross-sectional area, perimeter, diameter and/or dimension greater than that of the proximal section. | 2008-08-28 |
20080208137 | Multi-Stage Sryinge and Methods of Using the Same - One or more aspects of the present invention relate to syringe having an intermediate plunger that includes a one-way valve having a fluid passage define therethrough. The syringe may be utilized to sequentially inject first and second medical fluids into a patient. | 2008-08-28 |
20080208138 | SYRINGE HAVING A HINGED NEEDLE SHIELD - A syringe assembly includes a syringe barrel having an elongate body, a tip on its distal end surrounded by a barrel collar. A needle assembly includes a needle cannula attached to a hub having a cavity in its open proximal end. The hub is attached to the barrel with the barrel tip in the hub cavity. A plunger having a stopper positioned in fluid tight engagement on the inside of the barrel. A collar is rotatably connected to the outside surface of the barrel collar. An elongate needle shield is hingedly connected to the collar. The needle shield includes two side walls defining a longitudinal opening and a recess. A needle shield is capable of pivoting about the collar from an open position to a closed position wherein the distal end of the needle cannula is in the recess of the needle shield. Structure is provided to lock the needle shield to the collar and to trap the needle cannula in the needle shield when the needle shield is in the closed position. Structure is provided to prevent over-rotation of the needle shield past the needle protecting position and to guide a needle cannula into the recess of the needle shield. An over-center hinge facilitates moving the needle shield to the closed position. | 2008-08-28 |
20080208139 | INSERTION HEAD WITH A NEEDLE PROTECTION IN ITS HANDLE - An insertion head for medical or pharmaceutical applications includes a base having a lower side positionable on organic tissue; an insertion means movably mounted by the base and insertable into the tissue; where the insertion means is movable relative to the base from a protective position in which a free end of the insertion means is short of the lower side of the base, into an insertion position in which the free end protrudes beyond the lower side; and a receptacle that is open towards the lower side of the base and that can be detached from the base, and which accommodates at least the free end of the insertion means in its protective position. | 2008-08-28 |
20080208140 | Device For Protecting An Injection Apparatus | 2008-08-28 |
20080208141 | Plastic Bottle for Oxaliplatin Solution - The invention relates to a sealed plastics bottle containing oxaliplatin solution, to a kit comprising such a bottle, and to a preparation process. The plastics bottle is made, for example, of cycloolefin copolymer. | 2008-08-28 |
20080208142 | Dose Setting Mechanism for an Injection Device - A dose setting mechanism for an injection device, e.g. for repetitive self-injection of e.g. insulin or growth hormone. Has a dose setting member, a driving element for causing a set dose to be injected, and a locking member being connected to the driving element. The position of the locking member is indicative of the remaining amount of liquid in a cartridge. When the amount is below a critical lower value, the locking member assumes a locking position where it prevents the dose setting member from being operated to set a dose. | 2008-08-28 |
20080208143 | Automatically Disabled Syringe - A syringe ( | 2008-08-28 |
20080208144 | Syringe Device and a Method of Assembling the Same - The present invention relates to a method of assembling a syringe device such that rotational and translational tolerances are reduced or eliminated. The syringe device comprises a rotational retaining mechanism arranged to prevent backwards movement of a piston rod. The method comprises the step rotating the rotational retaining mechanism into a locking position prior to completing the assembly. Furthermore, the invention relates to a syringe device comprising a retaining mechanism having a first part and a second part, said parts being interconnected by a plurality of elements, wherein one of said elements comprises a first part and a second part separated by an interconnecting seam. | 2008-08-28 |
20080208145 | DISPOSABLE SHOWER GUARD FOR RENAL ACCESS CATHETER - A hemodialysis catheter, also know as a renal dialysis access catheter penetrates a patients skin at an entrance site which is protected by associated bandaging, all of which needs to be protected from water when the patient takes a shower. The single use, disposable shower guard surrounds and encloses the catheter, the entrance site and the associated protective bandaging. A generally rectangular cutout in the guard is sized and oriented to surround the protective bandaging and leave a margin between the edge of the cutout and the protective bandaging so that the bandaging will not be disturbed when the guard is removed. | 2008-08-28 |
20080208146 | System 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. | 2008-08-28 |
20080208147 | APPARATUS AND METHOD FOR WOUND TREATMENT EMPLOYING PERIODIC SUB-ATMOSPHERIC PRESSURE - A tissue treatment apparatus and method are provided for treating tissue by the application of the time-varying sub-atmospheric pressure. The apparatus includes a cover adapted to cover a wound and adapted to maintain sub-atmospheric pressure the site of the wound. The apparatus further includes a source of suction configured to generate a time-varying sub-atmospheric pressure having a periodic waveform comprising a gradual change in pressure. The suction source cooperates with the cover to supply the time-varying sub-atmospheric pressure under the cover to the wound. The time-varying sub-atmospheric pressure may vary between a first pressure value below the inherent tissue tension of the wound tissue and a second pressure value above the inherent tissue tension of the wound tissue. | 2008-08-28 |
20080208148 | Ophthalmic Device - An ophthalmic device for aiding in the accurate dispensing of a medicating substance into an eye, said device comprising an elastic eye cup ( | 2008-08-28 |
20080208149 | Male apron for receiving and storing excreted body fluids and associated method - A urine storing apron includes a flexible belt, a flexible apron coupled to the belt, a plurality of pouches attached to anterior and posterior sides of the apron, and a mechanism for storing the body fluid inside one of the pouches. The apparatus further includes a mechanism for simultaneously discharging air and the body fluid from the one pouch by rotationally articulating a portion of the simultaneous discharge mechanism about an axis registered orthogonal to an exiting travel path of the body fluid. | 2008-08-28 |
20080208150 | Container with Security Closure and Kit for Samples of Urine and the Like - A container having a security closure is described, of the type comprising a hollow body ( | 2008-08-28 |
20080208151 | MARKER SYSTEM - A marker system for providing an indication of the presence of fecal matter, urine, sweat and/or an external fluid source. The system includes at least one reactive material configured to react upon contact with the fecal matter, urine, sweat and/or external fluid source. In this manner, the system provides some unmasked and positive indication of such contact. Also disclosed is a diaper or undergarment. | 2008-08-28 |
20080208152 | Incontinence Article - An absorbent incontinence product with a main piece formed of a front section, a back section and a crotch section which lies in a longitudinal direction between the front and the back sections and is intended to be placed between the legs of a user. The main part has an absorbent body and first material sections which are attached to the back section and/or to the front section and extend in the transverse direction over first longitudinal side edges of the main piece and second material sections which are attached to the back section and/or to the front section and extend in the transverse direction over second longitudinal side edges of the main part. The first and second material sections connect the front section to the back section when the product is applied. The material sections, prior to use of the folded product, are each folded inwards towards the side of the main piece facing the body about a fold axis extending in the longitudinal direction to form an arrangement that is folded over on itself so that the second material section comes to lie at least partly beneath the first material section and the folded arrangement is detachably secured at a first joining point. | 2008-08-28 |
20080208153 | Printed formed film web and method for making - A web having printed thereon a colorant and/or a composition providing a skin health benefit. The web can be a three-dimensional, fluid pervious, polymeric web. The web can comprise a pattern of interconnecting members, the interconnecting members defining apertures. The apertures are defined in a first surface of the web in a first plane of the web, and extend in sidewall portions to a second surface in a second plane of the web. A colorant or lotion composition can be deposited on at least a portion of the second surface of the web. | 2008-08-28 |
20080208154 | Printed web and method for making - A method of making a web having a color signal visible and/or a composition providing a skin health benefit thereon. The method comprising the steps of:
| 2008-08-28 |
20080208155 | Diaper having abdominal stretch panels - A disposable absorbent article including a chassis and an absorbent assembly in combination with abdominal stretch panels extending circumferentially around the waist of the wearer. The chassis includes a water-impermeable backsheet that may be folded laterally inward at both of its side edges to form opposing side flaps. Each side flap is attached to the interior surface of the chassis adjacent to its end edges. Each side flap has a longitudinally extending elastic gathering member attached adjacent to its proximal edge. The chassis may include an extensible formed web material. The absorbent assembly may be attached in a cruciform pattern to the chassis to allow unattached portions of the chassis to extend laterally. Frangible tear lines and/or tear locator lines may be formed to facilitate removal of the article from the wearer. | 2008-08-28 |
20080208156 | Disposable absorbent article having deployable belt ears - A simple disposable absorbent article including a chassis and an absorbent assembly. The chassis includes laterally opposing side flaps formed by laterally inwardly disposed portions of the chassis and deployable belt ears. Each belt ear is held laterally inwardly disposed until being released and deployed laterally outward so as to project laterally outward beyond the adjacent side flap. Fastening elements may be disposed on at least two of the belt ears, the fastening elements being adapted for fastening portions of the article together to encircle a waist and legs of a wearer. The chassis may be extensible. The absorbent assembly may be attached in a cruciform pattern to the chassis to allow portions of the chassis underlying the absorbent assembly and lying outside the cruciform attachment pattern to extend laterally. | 2008-08-28 |
20080208157 | Nonwoven fabric for a female component of a fastening system - A fastening system includes an engaging component and a receiving component. The engaging component has a plurality of engaging elements capable of engaging the receiving component. The receiving component includes a nonwoven fabric having composite fibers, an embossed section, and a non-embossed section. The composite fibers are bonded together in the embossed sections. The composite fibers include a first propylene polymer and a second propylene polymer, wherein the first and second propylene polymers extend continually in a longitudinal direction and are arranged such that the second propylene polymer is associated with the first propylene polymer such that the composite fiber forms a crimp therein. The embossed sections have a plurality of zigzag unit patterns arranged in a machine direction which have a ratio of W | 2008-08-28 |
20080208158 | Cord blood and placenta collection kit - The present invention provides an improved kit for the collection of umbilical cord blood and placental blood, and collection of the placenta from which such blood is obtained. The kit improves upon existing kits in that it provides for improved user convenience, provides for the collection of the placenta itself, and better maintains the internal temperature of the container in which the collected blood and placenta are shipped to a blood bank or registry. The invention further provides a method of collecting umbilical cord and placental blood, and the placenta from which such blood is obtained, comprising using the kit described herein. | 2008-08-28 |
20080208159 | FLUID CONTAINER WITH ACCESS PORT AND SAFETY CAP - An access port for a medical fluid container is provided and in one embodiment includes a shell and a perforator located within the shell, the perforator including an end configured to pierce a medical fluid container. The access port also includes a safety cap, the safety cap initially preventing the perforator from rotating relative to the plane of the container or piercing the container film. The safety cap is manually removable to enable the perforator to pierce the medical fluid container. The shell includes a pair of hinged moving arms and members hinged to the arms. The members push the perforator towards the medical fluid container when the arms are pushed downwardly. | 2008-08-28 |
20080208160 | Microcatheter including swellable tip - A catheter for providing an embolic material at a desired location comprises a flexible tubular member having a proximal end and a distal end, the tubular member including at least one ring of expansible material affixed to its outer surface less than 25 mm from the distal end. The ring preferably comprises a material that expands in volume when in contact with a liquid, such as a hydrogel or hydrogel foam, or in response to an application of heat. The ring is fully expanded after between 10 and 30 minutes of contact with a liquid. The catheter may also include further including a plurality of radioopaque markers spaced along the tubular member at predetermined intervals. | 2008-08-28 |
20080208161 | Application of procedure through natural orifice - The application of the procedure through a natural orifice of the present invention includes the steps of: inserting a flexible endoscope through the natural orifice to the alimentary tract; incising the close-contact portion of the alimentary tract and the gall bladder under a guidance of a device for identifying the positional relationship from the alimentary tract side and forming an puncture; extracting stones in the gall bladder from the body; and removing the endoscope after completing the procedure. | 2008-08-28 |
20080208162 | Device and Method For Thermophoretic Fluid Delivery - A method and device for thermolphoretic fluid or drug delivery through the creation of a thermal gradient in the skin. The device includes a heat generating mechanism capable of transdermal delivery of a beneficial agent, an insulating portion coupled with the heat generating mechanism, a cold generating mechanism coupled with the insulating portion, and wherein the heat generating mechanism and the cold generating mechanism create a thermal potential across dermal regions. The method includes generating a hot dermal region and transdermally delivering a beneficial agent, insulating, generating a cold dermal region, and creating a thermal potential across the hot dermal region and the cold dermal region. | 2008-08-28 |
20080208163 | Use of Reverse Thermosensitive Polymers to Control Biological Fluid Flow Following a Medical Procedure - One aspect of the present invention relates to a method to control biological fluid flow at a site in a mammal by use of an in situ formed polymer plug. In certain embodiments, the present invention relates to a method to control bleeding following a catheterization procedure, a method to control leakage of cerebral spinal fluid following a lumbar puncture, a method to seal a fistula, or a method to control the flow of serous fluid after a lymphadenectomy. In certain embodiments, the polymer plug is generated in situ by temperature changes, pH changes or ionic interactions. In certain embodiments, the polymer plug comprises at least one optionally purified reverse thermosensitive polymer. | 2008-08-28 |
20080208164 | METHODS FOR THE TREATMENT OF ANAL INCONTINENCE - The present invention relates to methods of preventing or treating anal incontinence comprising injecting muscle-derived cells into a site of interest via an injection device, where the injection site of interest is, or is adjacent to, muscle-tissue providing for anal continence. | 2008-08-28 |
20080208165 | METHODS, SYSTEMS, AND KITS FOR IMPLANTING ARTICLES - Methods, systems, and kits for subcutaneously implanting articles, such as drug inserts and reservoirs. The methods rely on percutaneously forming a tissue tract and radially dilating the tract to a diameter which permits introduction of the article. By fully expanding the lumenal diameter of the tissue tract prior to introduction of the article, damage to the article resulting from passage through a partially expanded tissue tract can be avoided. In the exemplary embodiment, a radially expandable sleeve is first percutaneously introduced to the subcutaneous target site. An assembly of a cannula and dilator is then passed through the sleeve, effecting radial expansion. The dilator is removed and the article is then introduced through a lumen of the cannula. | 2008-08-28 |
20080208166 | PRE-FORMED DELIVERY CATHETERS - A delivery catheter includes a pre-formed and resilient heart-wrapping segment. The segment may have a relaxed span that allows the segment to wrap around a left side of a heart from an anterior epicardial surface to a posterior epicardial surface, when the catheter is advanced along the epicardial surface, having been inserted from a sub-xiphoid access site. | 2008-08-28 |
20080208167 | METHODS AND COMPOSITIONS TO TREAT MYOCARDIAL CONDITIONS - Methods, devices, kits and compositions to treat a myocardial infarction. In one embodiment, the method includes the prevention of remodeling of the infarct zone of the ventricle. In other embodiments, the method includes the introduction of structural reinforcing agents such as those agents containing aloe-derived pectin. In other embodiments, the structural reinforcing agent may be accompanied by other therapeutic agents. These agents may include, but are not, limited to pro-fibroblastic and angiogenic agents. | 2008-08-28 |
20080208168 | Method & apparatus for pressurizing a body cavity for diagnostic and rehabilitative purposes - A method and apparatus for both the diagnostic measurement and therapeutic treatment of a body cavity. According to one form of the method of the invention, a fluid (liquid or gas) under pressure is introduced into a selected body cavity while monitoring the pressure or flow of the fluid (liquid or gas) into the cavity. Following pressurization of the body cavity, fluid (liquid or gas) inflow and outflow data is collected and analyzed. The data collected is used to draw various conclusions about the biomechanical properties of the body cavity and the organ in which it is present, and also to draw conclusions about presence or absence of disease as well as the character of disease. According to another method of the invention a fluid (liquid or gas) is controllably infused into the body cavity to controllably expand the body cavity for purposes of therapeutic treatment. | 2008-08-28 |
20080208169 | Body-Space Treatment Catheter - A percutaneous treatment catheter comprises a canopy ( | 2008-08-28 |
20080208170 | Devices for Connecting Catheter Assembly to Collection Receptacle - A device for connecting a catheter assembly to a collection receptacle is disclosed. The device is situated at a distal portion of the catheter assembly and the connection made may be either temporary or permanent using snap-fit, pressure-fit or other similar mechanism. | 2008-08-28 |
20080208171 | DEVICE AND METHOD FOR REMOVING EDEMA - The present invention relates to a device and method for removing edema from an edematous tissue. The device includes at least one aciculated component disposed in fluid communication with a suction manifold. A suction source is fluidically connected to the suction manifold to provide a suction force to the suction manifold. The suction force is transmitted through the suction manifold to the at least one aciculated component to withdraw the edema from edematous tissue through the suction manifold and the at least one aciculated component. | 2008-08-28 |
20080208172 | Colostomy Pump System - A waste evacuator device ( | 2008-08-28 |
20080208173 | Insulin Pump Having Triple Functions Which Enables Efficient Control of Blood Glucose Concentration and Insulin Injection System Comprising the Same - The present invention relates to an insulin pump having triple functions for the efficient regulation of a blood glucose concentration and an insulin injection system comprising the same. The insulin pump comprises an insulin syringe into which an insulin is stored, a pump to pressurize the insulin syringe in response to a programmed control signal, a control device that generates the programmed control signal to control the pump, a mode selection button to determine an insulin injection mode, and an operating button to command an insulin injection. The insulin injection mode is comprised of a base mode that continuously infuses the insulin at a basic rate to control a blood glucose concentration at a fasting, a food mode that infuses the insulin at a bulk to control the blood glucose concentration after food intake, and an activation mode that infuses the insulin in pulses for a predetermined time period. Preferably, the insulin pump complementarity cooperates with a physiological saline syringe pump that infuses physiological saline solution immediately after the infusion of the insulin at the activation mode. | 2008-08-28 |
20080208174 | Device for the Controlled Release of a Predefined Quantity of a Substance - The application provides a device ( | 2008-08-28 |
20080208175 | IRIS VALVE WITH CONTROL RING - A laparoscopic surgical access device comprises a first frame and a second frame having relative axial positions. A flexible and resilient iris valve is connected to the first and second frames and has a closed position and an opened position based on the relative angular position of the first and second frames. A lock is connected to the first and second frames, the lock being selectively operative to prevent relative rotational movement in a first rotational direction. One embodiment uses a ratchet and pawl mechanism operable with a control ring. Another embodiment uses a ratchet and pawl mechanism operable with a button. Yet another embodiment uses a wedge track and ball mechanism. | 2008-08-28 |
20080208176 | INSTRUMENT FOR INJECTING AN OPHTHALMIC DEVICE INTO AN EYE - An instrument for injecting an ophthalmic device such an intraocular lens into an eye includes an elongated tubular member, a plunger arranged movably along a length of and within the elongated member, a housing which accommodates an ophthalmic device, and a light emitting member integrated within the instrument. The plunger is configured to move an ophthalmic device to a distal end of the elongated member. The light emitting member illuminates a distal end of the instrument, the operative field immediately adjacent a distal end of the instrument, or both. | 2008-08-28 |
20080208177 | Opthalmological Device - A device for correcting defective vision or corneal disease of an eye combines a device ( | 2008-08-28 |
20080208178 | Method and Apparatus for Monitoring and Controlling Laser-Induced Tissue Treatment - The present invention provides improved methods and apparatus for controlling light-induced tissue treatment. In accordance with various aspects of the present invention, the invention provides for improved, real-time control of the light beam operational parameters which enables greater safety, efficiency, uniformity and continuity of the treatment process. | 2008-08-28 |
20080208179 | METHODS OF INCREASING SKIN PERMEABILITY BY TREATMENT WITH ELECTROMAGNETIC RADIATION - Methods of treating tissue with fractional laser radiation are disclosed. The fractional laser treatment methods reversibly increase skin permeability while maintaining a substantially intact stratum corneum and producing alterations within the epidermis and dermis. The alterations in the epidermis and dermis can include necrosis and/or coagulation. The alterations in the epidermis can include the creation of a plurality of pores in the stratum corneum and/or the creation of vacuoles in the layers of the epidermis below the stratum corneum. The fractional laser treatment methods disclosed herein can be used to provide treatments to the skin, to increase permeation of active substances into or through tissue, to deliver active substances locally or systemically, and to control the delivery of active substances. | 2008-08-28 |
20080208180 | ENDOVASCULAR TREATMENT SHEATH HAVING A HEAT INSULATIVE TIP AND METHOD FOR USING THE SAME - A treatment sheath for use with an energy delivery device, such as an optical fiber, is provided with a heat insulative tip. The treatment sheath includes a longitudinal shaft which is designed to receive the optical fiber, and is inserted into a blood vessel to treat diseases such as varicose veins. During treatment, the energy emitting face of the optical fiber is positioned inside the heat insulative tip of the treatment sheath. The heat insulative tip protects the optical fiber emitting face during the delivery of laser energy and prevents the emitting face from inadvertently contacting the inner vessel wall. | 2008-08-28 |
20080208181 | Thermally Insulated Needles For Dermatological Applications - For active thermal insulation of a cryoneedle or hyperthermia needle, preferably, the device comprises a needle for transmitting heat or cold, surrounded by a sheath for providing an opposing temperature to protect surrounding skin. | 2008-08-28 |
20080208182 | METHOD FOR TISSUE CRYOTHERAPY - A method for performing cryotherapy on a target tissue region in a body includes positioning a first cooling element in a first location in a body adjacent a target tissue region, positioning a second cooling element in a second location in the body adjacent the target tissue region, and cooling the respective first and second cooling elements so as to cool the target tissue region. | 2008-08-28 |
20080208183 | Device for Applying a Fluid to an Area to be Treated, Comprising an Improved Discharge Nozzle - A device for applying a fluid to a localized and defined area including a reserve of fluid in the form of an aerosol; means for starting release of the fluid from the reserve; and an ejection nozzle having a conduit and an outlet orifice through which the fluid is ejected at a pressure higher than atmospheric pressure in a controlled and directed manner as regards a diameter of the application area, the fluid having a boiling point equal to or lower than −20° C., and a latent heat of evaporation equal to or lower than 200 kJ/kg. | 2008-08-28 |
20080208184 | Cardiac electrosurgery - A method of accessing a pericardial cavity of a heart is disclosed, comprising delivering electrical energy to a pericardium in a manner which creates a channel substantially through a parietal pericardium and does not substantially affect myocardial tissue. | 2008-08-28 |
20080208185 | Hf Surgical lnstrument - The invention relates to a HF surgical instrument for treating, in particular, for cutting and coagulating biological tissue by means of a HF current. The HF surgical instrument comprises a HF generator for supplying a HF current to a cutting electrode and comprises at least one control device for interrupting a HF current circuit. The design of this HF surgical instrument is improved in that a cutting capacity is enhanced. In addition, the control device comprises a current monitoring device that detects the amplitude of the HF current and then generates a first switch-off signal when the HF current decreases over a defined period of time and/or the HF current falls below a threshold value characterizing a state of the treated tissue. The control device also comprises an electric arc monitoring device, which then generates a second switch-off signal when an electric arc occurs between the cutting electrode and the tissue. The control device is designed in such a manner that the HF current circuit is interrupted in response to the first switch-off signal or the second switch-off signal. | 2008-08-28 |
20080208186 | Bipolar Cardiac Ablation System and Method - An apparatus for bipolar radio frequency ablation of heart tissue includes a flexible epicardial lead having an interior surface along a portion thereof comprising an electrically conductive surface to be placed in contact with tissue to be ablated. Additionally, the epicardial lead includes an integral fastener disposed proximate a distal end thereof and a sliding lock collar having an aperture therein through which said epicardial lead passes. A complementary fastener may be secured thereto for engaging the fastener of said epicardial lead, thereby securing said lead in place around tissue to be ablated. The apparatus further includes an endocardial ablating lead placed in the left atrial chamber via transfemoral insertion for conduction of radio frequency energy between the ablating lead and the ablating surface of the epicardial lead. | 2008-08-28 |
20080208187 | IMPEDANCE COMPUTATION FOR ABLATION THERAPY - This disclosure describes impedance computation techniques that may reduce the effect of crosstalk, thus generating more accurate impedance measurements. In particular, an ablation system models the electrical interaction among the active electrodes and a common return electrode using a star-configuration resistor model. The ablation system computes one or more parameters of the star-configuration resistor model and adjusts the therapy based on at least the computed parameters of the star-configuration resistor model. | 2008-08-28 |
20080208188 | Probes For Electrical Current Therapy of Tissue, and Methods of Using Same - Disclosed herein are probes for use in delivering electrical current therapy to a target tissue. In specifically exemplified embodiments, the probes comprise a base comprised of a degradable material so as to prevent the potentially dangerous reuse of the probes. Also disclosed is a surgical tool for use in rectal examination and surgical removal of hemorrhoid tissue. The tool includes an anoscope having a somewhat conical shape wherein the proximal end is larger in diameter than the distal end. The anoscope has a first slot near the proximal end and a second slot near the distal end. An obturator is included that also has a somewhat conical shape. The obturator is smaller in diameter than the anoscope so that it will easily fit within the anoscope. A cylindrical shaped light cover is included as well, which is adapted to engage the first slot of the anoscope. The light cover further includes a receptacle and a lens in its distal end which receives a light. | 2008-08-28 |
20080208189 | Instruments and Methods for Thermal Tissue Treatment - Disclosed herein are high efficiency surgical devices and methods of using same using radio frequency (RF) electrical power and/or electrically heated filaments to destroy tumors, form lesions, denaturize, desiccate, coagulate and ablate soft tissues, as well as to drill, cut, resect and vaporize soft tissues. According to the principles of this invention, the electrosurgical instruments can be used with externally supplied conductive or non-conductive liquids, as well as without externally supplied liquids, a mode of operation often referred to as “dry field” environment. | 2008-08-28 |
20080208190 | HAIR REMOVAL APPARATUS - A hair removal apparatus includes a plurality of plucking rollers configured to rotate on respective roller shafts which extend generally parallel to a skin surface during epilation, each plucking roller having tweezing mechanisms for grasping hairs, and a driving device for turning each plucking roller on a rotary axis which is kept generally perpendicular to the skin surface. The driving device turns each of the plucking rollers in such a way that the rotary axis thereof assess approximately a central point of the relevant plucking roller. | 2008-08-28 |
20080208191 | Unitary blood vessel dissector and harvester device - A unitary dissector/harvester device for dissecting and harvesting a vessel has an elongated dissector tool for insertion into a body having the vessel to be harvested and a harvester tool axially positioned within the dissector tool. | 2008-08-28 |
20080208192 | Ring vessel dissector/harvester device - A ring dissector/harvester device for dissecting and harvesting a vessel has a capture tool that is co-axially positioned around the vessel to at least temporarily hold the vessel. A sealing tool is coaxially positioned within the capture tool and is axially movable with respect to the capture tool. The sealing tool and the capture tool are engaged to cauterize a branch from the vessel and to seal the cauterized branch and vessel. | 2008-08-28 |
20080208193 | BIPOLAR CUTTER - A bipolar cutter includes a bipolar cutting treatment portion having a pair of electrodes provided at a front-end portion of an insertion unit inserted in a body of a living thing, a guide portion having a lead passage which captures a living tissue of a cutting target and which leads the living tissue to the treatment portion, the guide portion configured to vary a width of the passage, and a manipulation portion which manipulates the guide portion to vary the passage width. Alternatively, a shape of the lead passage is enlarged from its inner end to its outer end and a lead passage width regulating member being movable between the inner end and the outer end of the lead passage is included. Alternatively, a plurality of lead passages having widths being different from each other is included. | 2008-08-28 |
20080208194 | DOUBLE CUT SHAVER - A surgical cutting instrument with high resection efficiency due to advanced cutting edge tooth geometry. The cutting instrument comprises a tubular member with at least two cutting windows, preferably two cutting windows, provided at the distal end of the tubular member. The two cutting windows have one most distal common region, preferably provided about perpendicular to the longitudinal axis of the tubular member. At least one of the two cutting windows may be provided with teeth. The two cutting windows may be symmetrically or asymmetrically disposed relative to the tube axis when viewed in a plan view, independent of the teeth orientation. | 2008-08-28 |
20080208195 | Surgical Instrument With Telescoping Attachment - A surgical instrument for the dissection of bone and other tissue includes a spindle, a dissection tool and an coupler disposed between the spindle and the dissection tool. The coupler includes a tool collet and an attachment locking mechanism operable to permit tool collet operation and telescoping movement of an attachment tube with respect to the dissection tool. A method is also provided for convenient coupling of the dissection tool and adjustment of the attachment tube length. | 2008-08-28 |
20080208196 | Method and device for restoring spinal disc function - The present invention relates to medical device, system and methods for restoring spinal disc function. The invention provides a curved path trough the vertebra into the disc through which the disc can be filled with an augmenting substance, balloon, or pallets. Further can the delivery device be used to access the disc with surgical instrumentation. The invention furthermore discloses a responsive disc augmentation system. | 2008-08-28 |
20080208197 | Method and apparatus for performing an open wedge, high tibial osteotomy - A method for performing an open wedge, high tibial osteotomy, the method comprising:
| 2008-08-28 |
20080208198 | Osteochondral Implant Procedure and Device - A surgical procedure according to which a slotted film is positioned over an area of a bone to be milled; and a portion of a milling assembly is inserted in the defect, with another portion of the assembly extending through one of the slots so that the slot can be used as a guide to mill the bone. | 2008-08-28 |
20080208199 | Method and apparatus for performing an open wedge, high tibial osteotomy - An osteotomy implant for disposition in a wedge-shaped osteotomy opening in a bone, the implant comprising:
| 2008-08-28 |
20080208200 | Drilling guide for use in implanting a femoral neck fixation prosthesis - A femoral neck fixation prosthesis and method of using same which reduces bone loss and the avoids the other shortcomings of the prior art by allowing the fixation of a stable femoral head replacement while reducing the amount of the femur which must be reamed for the insertion of the prosthesis. The preferred embodiment provides that the femoral head is attached to a fixation prosthesis, which extends coaxially through the canal of the femoral neck, into the femur, and is then attached to the opposite lateral wall of the femur. In this manner, the prosthesis serves to imitate the original structure of the femoral neck. No other support members, either crosspins or arms extending into the length of the femur, are required. | 2008-08-28 |
20080208201 | Apparatus for preparing a femur - An apparatus for preparing a head portion of a proximal femur has a drill guide support having a cylindrical bore therein for engaging the head of a femur. The support has a central axis for coaxial alignment with a central axis of a neck of a proximal femur. A drill guide is mounted on a proximal end of the drill guide support, the drill guide having a first drill guide portion extending along an axis co-axial with the central axis of the base portion and a second drill portion extending along an axis forming an acute angle with the first drill portion central axis. A bone thickness indicator is mounted on the drill guide and is moveable towards and away from a neck of the femur along an axis forming an angle with the central axis of the drill guide support. A method of preparing the head of a femur which includes cutting a cylindrical surface around an axis the head of the femur, resecting a proximal portion of the femur in a plane perpendicular to the axis of the femoral head and mounting a drill guide support on the cylindrical surface of the femur is also disclosed. | 2008-08-28 |
20080208202 | ADAPTABLE TOOL REMOVAL DEVICE AND METHOD - The present invention may provide for an adaptable medical tool removal device and method for removing medical instruments seized in vivo. The removal tool may comprise a clamping mechanism. The clamping mechanism may comprise a locking member, a pivotal clamp member, and a connector clamp member. The pivotal clamp member may be pivotally attached to the connector clamp member. The pivotal clamp member may pivot between an opened and a closed position. The locking member may lock the pivotal clamp member in a closed position around a tool adaptor device. The tool adaptor device may attach to a seized medical instrument. The removal tool may further comprise a sliding weight able to impart an impact force to the seized medical instrument through the tool adaptor device. An embodiment of the tool adaptor device may comprise hooks to connect to a t-shaped handle of a seized medical instrument. | 2008-08-28 |
20080208203 | Bone measurement device - A bone measurement device is used to measure the adequacy of the distance between a cavity in the head and neck of a femur and the outer surface of the neck of the proximal femur. A coupling element is fixedly attached to an outer surface of a femoral head. An arm extends from the coupling element and a bone measurement device having an adjustable bone contacting element thereon is coupled to the arm. An adjustable coupler is provided for moving the bone measurement device in a generally proximal-distal direction. The bone contacting element is mounted on the adjustable coupler for movement in a direction transverse to the proximal-distal direction into contact with bone when the coupling element is attached to the femoral head. The adjustable coupler for moving the bone measurement device in a proximal-distal direction and the adjustable bone contacting element are calibrated with distance markings. The markings correspond to sizes of femoral implants for implantation in the cavity. | 2008-08-28 |
20080208204 | INTRAARTICULAR GRAFT LENGTH GAUGE - A technique and reconstruction system for ligament repair by determining the exact length of the graft to be secured within a first tunnel or socket (for example, a tibial tunnel) and a second tunnel or socket (for example, a femoral tunnel) for improved graft fixation. The exact length of the graft (soft tissue graft or BTB graft, for example) is determined with a measuring device, by measuring the length of a first socket in a first bone region (for example, a tibial socket), the length of a second socket in a second bone region (for example, a femoral socket), and the length of the intraarticular joint space between the two sockets in the two bone regions (for example, tibia and femur). The measuring device may consist of at least one flexible member (for example, suture) with at least one fixation device attached to the flexible member, the fixation device being either a sliding knot, a washer or a button. | 2008-08-28 |
20080208205 | CABLE SYSTEM AND METHODS - A system for the percutaneous application of surgical wires or cables around bone includes a first flexible member and a second flexible member, each having an outer wall defining a passageway, an opening extending longitudinally along the outer wall and a curved distal portion terminating in a distal tip. The flexible members may also include a groove distal tips are shaped complementarily. The system also includes a stylet having a tension cable interconnecting a handle segment, a tip segment and one or more intermediate segments. The stylet is insertable through the passageways of the first and second flexible members to facilitate placement of the flexible members around bone. When joined at their distal tips, the first and second flexible members create a continuous path from the point of incision around bone. The first and second flexible members may be easily removed by pulling them apart and over the surgical wires or cables through the opening in the outer wall. | 2008-08-28 |
20080208206 | Surgical tongs - A modified surgical tongs for providing a surgical doctor with a tongs that will permit optimal fixation of the malleous to the tibia, of the olecranon, or of transverse fractures of the patella. The tongs comprises of a pair of hinged legs. Each hinged leg has a first and a second end, the first end of each hinged leg having a handle and the second end having at least one hook. The first hinged leg's perpendicular hook points approximately perpendicular to the plane of the handles. The second hinged leg's parallel hook points toward the perpendicular hook and is in a plane that is approximately parallel to the plane of the handles. Each hinged leg further defines an arcuate locking mechanism that is adjacent to each handle, and each arcuate locking mechanism is in the same plane as each handle. | 2008-08-28 |
20080208207 | Surgical System For Indication of Media Types - A surgical system includes a surgical instrument, an aspiration flow rate measurement device, a vacuum force measurement device, and an indicator. The surgical instrument has an aspiration portion and is located in a media type. The aspiration flow rate measurement device is configured to measure the flow rate generated by the aspiration portion. The vacuum force measurement device is configured to measure the vacuum force generated by the aspiration portion. The indicator provides an indication of the media type in which the surgical instrument is located. The indication is based on aspiration flow rate measurement information, vacuum force measurement information, and an operation and configuration of the surgical instrument. | 2008-08-28 |
20080208208 | Gastrostomy Tube Extension Device - To provide a gastrostomy tube extension device which can facilitate insertion or removal of a gastrostomy tube by making the degree of extension of the gastrostomy tube constant. [Means for Resolution] A gastrostomy tube extension device | 2008-08-28 |
20080208209 | Device for delivering a self-expanding stent in a vessel of the body - The present invention relates to a device for delivering a self-expanding stent in a vessel of the body. The device comprises a tubular sheath which, in a distal section, keeps the stent radially compressed, and a pusher element, which is guided in the tubular sheath, in order to stabilize the stent when the sheath is pulled back. A handle is also provided, with a passage via which the pusher element is secured on the handle. The device further comprises a tubular rod which is fixedly connected to the handle and inside which the pusher element is provided, and which is provided at least in part with regularly spaced elevations and with depressions lying between the elevations. In addition, a movable element is provided which is arranged movably over the rod, distally from the handle, and whose movement in the proximal direction allows the sheath to be pulled back. | 2008-08-28 |
20080208210 | Uterine Manipulator - A uterine manipulator includes a snap-drum with a head including pitched slots, symmetrically disposed with respect to each other. This arrangement allows for a tip to be attached to the head in a short and unidirectional rotation. | 2008-08-28 |
20080208211 | Stone Catching Basket Instrument and Method For Producing The Same - A stone catching instrument for use, for example, as a stone catching basket and a wire filter unit for medical instruments, and method for producing the same, are provided. The stone catching basket instrument has a multiwire basket unit with several wire sections connected with one another as a cohesive wire complex, the wire complex cut in one piece out of a planar material in a rosette-shape and bent to form the wire basket unit. The wire sections extend essentially radially and are cohesive with one another at their inner radial ends at a wire linkage area. The wire basket unit when in a widened condition is arranged to catch particles caught through spaces between the wire sections, and when moved to a drawn-together condition, holds particles in the wire basket unit. | 2008-08-28 |
20080208212 | Arrangement for supporting a percutaneous intervention - The invention relates to an arrangement for assisting a percutaneous intervention, comprising an imaging system for tomographic imaging, a robot registered therewith and devices for capturing movements of the patient. A processing unit registers a 4D image dataset recorded before the intervention with a 2D or 3D image dataset of the patient which was recorded immediately before the intervention by the imaging system at a defined respiratory position. From this image data, the access path is transmitted to the robot as a function of the movements captured during recording the 4D image dataset and registration, said robot in turn, depending on the instantaneous movement data, holding the instrument on a predetermined target path and preventing the instrument from being advanced by the person if and as long as the instantaneous movement data does not match the previously recorded movement data. The arrangement reduces the risk of puncture errors. | 2008-08-28 |
20080208213 | Devices and methods for the controlled formation and closure of vascular openings - The present invention includes systems, devices and methods for percutaneously forming an aperture within a tissue structure or vessel and closing the aperture in a manner which optimizes hemostasis and healing. The invention in one aspect includes implantable devices which are used to seal the tissue aperture upon closure of the aperture after a percutaneous or endovascular procedure. | 2008-08-28 |
20080208214 | Applicator and tissue fastening method through natural orifice - The applicator related to the present invention is provided with a flexible sheath longer than the overall length of an instrument channel of a flexible endoscope; an operation part used outside the instrument channel; a deployed section that can be made to protrude from the front end of the sheath by operating the operation part and to pierce a tissue; a tissue fastening tool made of a superelastic wire formed in coil shape and housed inside the deployed section in a substantially extended condition; and a pusher that pushes out the tissue fastening tool from the deployed section when the operation part is operated. | 2008-08-28 |
20080208215 | Transoral endoscopic gastroesophageal flap valve restoration device, assembly, system and method - The invention provides a device, assembly, and method for transoral endoscopic restoration of a gastroesophageal flap valve. The invention also provides a self-steering and self-closing tissue fixation device for tissue fixation and an invaginator device for gripping and maneuvering tissue. The restoration device includes a longitudinal member arranged for transoral placement into a stomach, a tissue shaper carried on the longitudinal member that causes stomach tissue to assume a shape related to a gastroesophageal flap, and a tissue fixation device that maintains the shaped stomach tissue in a shape approximating a gastroesophageal flap. The tissue shaper may include a mold. The device may include the invaginator device for gripping and maneuvering esophageal tissue to aid restoration of the gastroesophageal flap, and may include the tissue fixation device. | 2008-08-28 |
20080208216 | METHODS AND DEVICES FOR ENDOSCOPIC TREATMENT OF ORGANS - The present invention relates to devices and methods for the endoscopic treatment of hollow organs. The invention provides improved devices and methods for apposing and fixating multiple regions of the outer surface of a hollow organ. The invention is particularly useful for procedures in which multiple regions of the outer surface of the stomach are brought into apposition and fixated, for example procedures to treat gastroesophageal reflux disease (GERD) or procedures to treat obesity. | 2008-08-28 |
20080208217 | HEMOSTATIC CLIP AND DELIVERY SYSTEM - A clipping device includes (a) a shaft defining a lumen therethrough from a proximal end which, during a procedure remains outside the body accessible to a user and a distal end including a distal opening which, during a procedure is inserted into the body to a position adjacent to target tissue; (b) a flexible clip deployable from the distal opening, when in an unconstrained state, the clip assuming a shape selected to clip tissue and prevent a flow of fluid therethrough wherein, while residing within the lumen the clip is held substantially straight by an inner diameter of the lumen; (c) a control wire extending through the lumen from the proximal end to the distal end thereof; and (d) a release mechanism connecting the control wire to the clip during deployment of the clip and disconnecting the control wire from the clip after deployment thereof. | 2008-08-28 |
20080208218 | Suture tool - A suture tool is provided in which the fixing member includes: a base portion which has a thin and longitudinal plate shape and which has a through-hole through which the suture thread passes; and a pair of bent pieces of which ends are opposed to each other by bending both ends of the base portion toward the center thereof. Thick plate portions which are thick in an insertion direction of the suture thread and which interpose the suture thread therebetween are disposed at the ends of the pair of bent pieces, respectively. | 2008-08-28 |
20080208219 | Endoscopic treatment instrument - An endoscopic treatment instrument is provided which includes: a flexible sheath; a wire disposed inside the sheath so as to advance and retreat; a restriction member which restricts a movement of the wire in the sheath to a proximal side; an operating portion connected to a proximal end of the sheath; a wire operating portion which is connected to a proximal end of the wire and disposed to advance and retreat relative to the operating portion; a resilient member which has a first end and a second end and of which the first end is connected to the wire operating portion to expand and contract between the second end; a movable member which is connected to the second end so as to be movable relative to the operating portion; and a control member which is disposed in the movable member and which switches the movable member between a movable state and a fixed state relative to the operating portion. | 2008-08-28 |
20080208220 | Suture instrument - A suture instrument according to the present invention includes a suture tool having an anchor anchored to a biological tissue, a suture thread drawn out of the anchor, and a stopper disposed on the suture thread; a hollow puncture needle, which can house the anchor thereinside, having a hard needle portion formed with an opening at the distal end thereof; a pusher which is disposed to advance and retreat in the puncture needle and a proximal side of which extends to a proximal side with its distal end being in contact with the anchor; and an outer sheath which houses the puncture needle so as to advance and retreat, in which an engaging portion, which is detachably engaged with the suture thread which is drawn in a state where the anchor is housed in the puncture needle, is disposed in the puncture needle or in the pusher. | 2008-08-28 |
20080208221 | SUTURE PASSING INSTRUMENT AND METHOD OF PASSING SUTURE - An apparatus and method for passing suture(s) in tissue repair and/or other mini-open procedures. The apparatus includes a pair of jaws mounted on a distal end of a shaft, a hand assembly mounted on a proximal end of the shaft, and a needle mounted on the hand assembly and through a cannulation of the shaft. The pair of jaws includes a lower jaw and an upper jaw, the upper jaw being curve-shaped to enable grasping of thick tissue. The hand assembly has a finger lever with a ratchet and a releaser with a hook, the hand assembly being designed to move the needle from a first position to a second position. | 2008-08-28 |
20080208222 | IRIS VALVE WITH NOVEL LOCKING MECHANISM - A laparoscopic surgical access device comprises a first frame and a second frame having relative axial positions. A flexible and resilient iris valve is connected to the first and second frames and has a closed position and an opened position based on the relative angular position of the first and second frames. A lock is connected to the first and second frames, the lock being selectively operative to prevent relative rotational movement in a first rotational direction. One embodiment uses a ratchet and pawl mechanism operable with a control ring. Another embodiment uses a ratchet and pawl mechanism operable with a button. Yet another embodiment uses a wedge track and ball mechanism. | 2008-08-28 |
20080208223 | CABLE CLAMPING DEVICE AND METHOD OF ITS USE - A cable clamp includes a housing having two substantially parallel and co-planar channels therethrough. At least one restraining member is disposed within the housing between the two channels, also substantially parallel and co-planar therewith. A surgical cable is passed through the first channel, around a bone or other structure, and through the second channel. The restraining member may then be actuated to impinge against the surgical wire or cable, simultaneously constraining the surgical wire or cable within both channels between the restraining member (an inner wall) and the housing (an outer wall). For example, the restraining member may be an expansion member that, when expanded as by driving a wedge between two restraining arms, reduces the size of the channels such that the surgical wire or cable can no longer pass freely therethrough. | 2008-08-28 |
20080208224 | INTESTINAL BYPASS USING MAGNETS - Medical devices and methods are provided for forming an intestinal bypass anastomosis, such as for treatment of obesity. The medical devices and methods are minimally invasive and reduce complications. Two magnet assemblies are deployed in a spaced apart relationship, and are transluminally brought together to approximate the tissue and form an anastomosis therebetween. | 2008-08-28 |
20080208225 | APPARATUS FOR SEALING SURGICAL PUNCTURES - Apparatus is provided for sealing a puncture within a vessel or tissue to provide hemostasis, comprising a first disk coupled to either a second disk or a spring, and sealingly engaged to the vessel or tissue surrounding the puncture. At least the first disk is preferably configured to substantially conform to the profile of the vessel or tissue when deployed. In one embodiment, the disks may be released from engagement with the vessel or tissue to reposition the disks after deployment. | 2008-08-28 |
20080208226 | APPARATUS FOR SEALING SURGICAL PUNCTURES - Apparatus is provided for sealing a puncture within a vessel or tissue to provide hemostasis, comprising a first disk coupled to either a second disk or a spring, and sealingly engaged to the vessel or tissue surrounding the puncture. At least the first disk is preferably configured to substantially conform to the profile of the vessel or tissue when deployed. In one embodiment, the disks may be released from engagement with the vessel or tissue to reposition the disks after deployment. | 2008-08-28 |
20080208227 | Self-contained dissector/harvester device - A self-contained device for dissecting and/or harvesting a vessel includes a self-contained light source and a self-contained imaging system positioned within the sheath. | 2008-08-28 |
20080208228 | Tongue Cleaning Device Comprising Tongue Cleaning Elements Of Different Materials - A tongue-cleaning device comprised of a handle and a head, the head having tongue cleaning elements made of both a relatively harder material and a relatively softer material. | 2008-08-28 |
20080208229 | Motor Assembly for a Powered Surgical Instrument - A surgical instrument is provided for cutting bone and other tissue. The surgical instrument is powered by a pressurized fluid and includes a rotatable shaft connected to a dissection tool. The instrument includes a housing member comprising a one-piece base. A rotor housing chamber is defined by the base, and the rotatable shaft is located in the rotor housing chamber. A first bearing housing is defined by the base, located adjacent the rotor housing chamber, and houses a first bearing that engages the rotatable shaft. A second bearing housing is defined by the base, located on an opposite side of the rotor housing chamber from the first bearing housing, and houses a second bearing that engages the rotatable shaft. A passage is defined by the base and operable to direct a pressurized fluid through the base to the rotor housing chamber in order to rotate the rotatable shaft. | 2008-08-28 |
20080208230 | EXPANDABLE ROTATING DEVICE AND METHOD FOR TISSUE ASPIRATION - An apparatus and method for removing tissue and/or other material from a patient includes a shaft and a tissue disrupting mechanism operatively coupled to the shaft. The shaft may be coupled to a handpiece or a robotic or remote-controlled system. The mechanism may comprise a rotatable or other movable element having a distal portion with fixed or adjustable radial dimensions. The mechanism may have one or more tissue cutting, chopping, grinding, emulsifying or disrupting features with an adjustable outer diameter for removing substantial tissues. The apparatus may be configured to urge or draw substantial material into the device upon rotation or other movement of the shaft and/or tissue, and may optionally be coupled to sources of suction or aspiration. A radiofrequency or other energy source is optionally included for tissue ablation or other tissue remodeling effects, and/or to enhance coagulation. | 2008-08-28 |
20080208231 | HANDPIECE AND HORN FOR ULTRASONIC SURGICAL INSTRUMENT - The present invention aims to provide a handpiece and a horn for an ultrasonic surgical instrument in which better visual recognition of a tip portion of the horn can be given. The handpiece for an ultrasonic surgical instrument includes: a horn of which tip portion vibrates at an ultrasonic wave velocity; and an external cylinder for covering the horn except the tip portion. An external diameter of the tip portion of the horn is larger than an external diameter of a part covered by the external cylinder. | 2008-08-28 |
20080208232 | ULTRASONIC SURGICAL INSTRUMENT - First and second actuators where positive electrodes and negative electrodes are disposed on cylindrical electrostrictive polymers are disposed so as to face each other via a fixing member, a blade inserted into the first actuator is provided on the fixing member, and the blade is ultrasonically vibrated via the fixing member by driving one of the first and second actuators in a stretching and shrinking manner and driving the other in a stretching manner in synchronization with each other. | 2008-08-28 |