Patent application number | Description | Published |
20080294192 | Dismantable Medical Forceps System - A dismantlable medical forceps system has a first force transmission element, which is designed to transmit a first maximum force, at least a second force transmission element, which is designed to transmit a second maximum force greater than the first maximum force, and at least a first grip, which has at least one movable grip part, the at least one first grip having a coupling device by means of which one of the force transmission elements can be connected with a force fit to the movable grip part, the first force transmission element having a first connection element and the at least second force transmission element having a second connection element for respective connection to the coupling device. The first connection element has a first cross section, which differs from a second cross section of the second connection element, and the coupling device has a first seat, which is designed for force-fit connection to the first connection element, and at least a second seat, which is designed for force-fit connection to the second connection element. According to another aspect, such a forceps system has a second grip, which has a second coupling device with a second seat for force-fit connection to the second connection element, which is designed such that the first connection element can be connected with a force lit to this seat. | 11-27-2008 |
20090018568 | Medical Instrument - A medical instrument has a shaft. The shaft has an outer shaft and an inner shaft. The outer shaft encloses the inner shaft. The medical instrument further has an actuator for rotating the inner shaft about a longitudinal axis relative to the outer shaft, arranged at a proximal end region of the shaft. The medical instrument has at least two tappet elements for transferring a rotary movement of the actuator to the inner shaft, which are engaged interchangeably with the inner shaft for transferring the rotary movement of the actuator to the inner shaft. The tappet elements reach through peripherally limited openings in a proximal end region of the outer shaft, which openings are offset with respect to one another in the longitudinal direction. | 01-15-2009 |
20090082768 | Bipolar Medical Instrument - A bipolar medical instrument has a shaft and two jaw parts arranged at said distal end thereof. An axially movable force transmission element is disposed with said shaft and is surrounded by an isolating element. Said isolating element is connected to at least one of said two jaw parts in an articulated manner. Said two jaw parts are electrically isolated from one another and each provides an electrode to which high frequency current can be applied. A first electrical supply line is formed along said shaft via an electrically conductive first contact element to one of said two jaw parts. A second electrical supply line is formed along said axially movable force transmission element via an electrically conductive second contact element to the other of said two jaw parts. The first contact element is fixed at said isolating element surrounding said distal end area of said force transmission element. | 03-26-2009 |
20090082795 | Medical gripping and/or cutting instrument - The invention relates to a medical gripping and/or cutting instrument having a shaft on whose distal end a tool is positioned consisting of at least two jaw members and on whose proximal end a handle is positioned consisting of at least two gripping members. For opening and closing, at least one jaw member of the tool can move by means of a rotatably configured gripping member of the handle with respect to the other jaw member of the tool, and the rotatable gripping member of the handle can be secured by means of a notching mechanism on the at least one other gripping member of the handle, with the jaw members in an at least partly closed position. To produce a medical gripping and/or cutting instrument which allows a simple and rapid unnotching of the gripping members of the handle, it is proposed with the invention that a portion of at least one gripping member of the handle can move with respect to the remaining portion of this gripping member in such a way that the notching mechanism can be released, with the gripping members in an essentially unchanged position with respect to one another. | 03-26-2009 |
20090247994 | Medical Instrument With A Lockable Bend Control Mechanism - A medical instrument comprises a shaft whose distal end is bendable. Arranged at the proximal end of the shaft there is a handle on which a bend control mechanism for controlling the bending movement is arranged. The bend control mechanism has a pivotable control element. The pivotable control element runs over a friction element, and an actuating element is provided via which the friction element can be brought out of a locking engagement with the control element. | 10-01-2009 |
20090247995 | Medical Instrument With A Detent - A medical instrument comprises a shaft which is connected at the proximal end to a handle, and it also comprises an insert which is guided along the shaft and which is connected at the proximal end to a movable grip part of the handle. At its distal end, the insert has a tool which can be actuated by pivoting of the grip part. A lock is also provided which can be brought into locking engagement with the movable grip part. To cancel the lock function, a detent is provided which can be brought between lock and movable grip part, such that the lock function can be cancelled by the detent. | 10-01-2009 |
20090248053 | MEDICAL INSTRUMENT WITH A FLEXIBLE INSERT - A medical instrument comprises a flexible shaft which has a bendable distal end and extending along said shaft, a flexible insert which at a distal end has a tool. The flexible insert has at its proximal end a connection piece connected releasably to a grip part of a handle of the instrument. The flexible insert is secured in an axially immovable manner to a distal end of the flexible shaft and is connected to the grip part at the proximal end in an articulated manner and held in place by a catch. | 10-01-2009 |
20090270842 | Handle for a Medical Instrument - A handle for a medical instrument having a handle housing that can be closed by a cover and having at least one drainage or irrigation hose in the handle housing that can be connected to a hose connection support. To create a handle that is of simple construction and ensures a reliable fluid-proof insulated connection of the hose and hose connection support while protecting the hose material, it is proposed that each drainage or irrigation hose should be connectable by an adaptor to the related hose connection support and that the adaptor upon closing the handle housing can be pressed against the hose connection support by a stop positioned on the cover or on the base portion of the handle housing. | 10-29-2009 |
20100049242 | Medical Instrument - The invention relates to a medical instrument with a shaft, a handle mounted on the proximal end of the shaft, and a tool mounted on the distal end of the shaft and capable of being activated by means of the handle, where the handle and the tool are in active connection by means of at least one activation rod. To make it possible for the tool, in particular as a one-way tool, to be secured simply and rapidly on the activation rod, the invention proposes that the tool should have a tool shaft for securing it to the activation rod and that the tool shaft and the activation rod in order to be secured to one another should have protuberances and/or recesses, which can be engaged, at least partially as a form-locking connection, with corresponding recesses or protuberances of the other respective component. | 02-25-2010 |
20100268268 | Medical Instrument With A Rotatable Detent - A medical instrument comprises a shaft, a handle connected to said shaft and having a movable gripping part. An insert is guided along said shaft and connected to said movable part at its proximal end. A tool is provided at a distal end of said insert. A lock is provided for locking said movable grip part in a position. A detent is provided for releasing said locking of said lock. A rotatable stopping member is arranged on said movable grip part. A rotational plane of said rotatable stopping member lying across a longitudinal axis of a movement direction of said movable grip part. Said rotatable stopping member can be rotated between a first position not influencing said locking function of said lock and a second position keeping said lock permanently away from said locking engagement. | 10-21-2010 |
20100312265 | Medical punch - A medical punch with a hollow shaft, a tool point that is positioned on the distal end of the shaft and includes a rigid cutting part and a cutting part that can slide with respect to the rigid cutting part, and with a handle positioned on the proximal end of the shaft, such that the displaceable cutting part and the handle are operatively connected with one another by a push/pull device that is displaceably mounted in the hollow shaft and an anti-tilt mechanism is positioned on the tool point to stabilize the cutting parts in their axially parallel alignment to one another. The rigid cutting part includes a sleeve-shaped proximal portion that encloses the displaceable cutting part and a distal punch portion configured as a single unit with the sleeve-shaped portion and that the rigid cutting part should be detachably connected with the hollow shaft by a coupling mechanism formed on the sleeve-shaped portion. | 12-09-2010 |
20100331836 | Medical coagulation instrument - A medical coagulation instrument having a shaft as well as at least one electrode tip that extends beyond the distal end of the shaft. To create a coagulation instrument whose electrodes are of simple structure and ensure an atraumatic and safe handling, at least one electrode tip should be widened or be configured as widening in the distal direction. | 12-30-2010 |
20110022048 | BIPOLAR COAGULATION INSTRUMENT - The invention relates to a bipolar coagulation instrument having a hollow shaft configured as a suction and/or flushing tube and having two electrodes that are electrically insulated with respect to one another and extend beyond the distal end of the shaft. To provide a bipolar coagulation instrument that is both of simple structure and ensures an effective suction/flushing capacity, it is proposed with the invention that the hollow shaft should consist of two electrically conductive tubes coaxially mounted on one another that are electrically insulated with respect to one another and from the outside, so that the tubes constitute the electrodes. | 01-27-2011 |
20110137116 | Endoscopic Surgical Instrument With Color-Coded Working Parts - An endoscopic surgical instrument includes an insertion portion adapted to be inserted into a body, the insertion portion having a proximal end extending outside the body during use and a distal end located within the body during use, a working part attached to the distal end of the insertion portion, the working part being disposed within the body during use, and a handle portion attached to the proximal end of the insertion portion, the handle portion being disposed outside of the body during use, the handle portion being actuatable to actuate the working part via a force transmission member. The working part is a member of one of a plurality of subsets of working parts, members of each subset of working parts being visually distinguishable from members of each other subset of working parts by color. | 06-09-2011 |
20110147556 | Holding Device For Medical Instruments - A holding device for medical instruments, having a bracket on which at least one medical instrument can be affixed, at least one joint to position the bracket and a weight-relieving system to compensate the bracket load. The holding device is of compact and light structure and for cleaning purposes is completely autoclavable together with the bracket. The weight-relieving system is configured as a resetting element that is coupled with the bracket and is made of a material that essentially includes a plateau stress. | 06-23-2011 |
20110150561 | Holding Device for Medical Instruments - A holding device for medical instruments with a bracket on which at least one medical instrument can be affixed and with at least one joint to position the bracket and/or the medical instrument, so that the at least one joint is configured as a ball and socket joint that is equipped with at least one bearing shell and one pivot ball and whose pivot angle around the longitudinal axis of the joint is restricted by a pivot guard. The pivot guard is positioned inside the pivot ball to provide a holding device for medical instruments whose pivot guard allows for a compact structure of the ball and socket joint. | 06-23-2011 |
20110150564 | HOLDING DEVICE FOR MEDICAL INSTRUMENTS - A holding device for medical instruments, with a bracket on which at least one medical instrument can be affixed and with at least one joint to position the bracket and/or the medical instrument, so that the at least one joint is configured as a ball and socket joint that is provided with at least one bearing shell and a pivot ball and that can be converted between a position that releases the joint and one that blocks the joint. To provide a holding device for medical instruments that is simple to operate, makes possible a rapid blocking and releasing of the at least one joint, and in addition ensures that unintentional release of the blocking is excluded to the greatest extent possible, it is proposed with the invention that the bearing shell should be of rigid configuration and the pivot ball should be capable of being affixed in the bearing shell by clamping by at least one blocking element. | 06-23-2011 |
20120165839 | Medical Needle Holder - A medical needle holder with a shaft, a tool that is mounted on the distal end of the shaft and two jaw members, such that one jaw member of the tool is configured to pivot with respect to the other jaw member of the tool, as well as with a handle that is mounted on the proximal end of the shaft and at least two gripping members, such that the pivotable jaw member of the tool can be actuated by a movably configured gripping member of the handle, such that at least one portion of at least one jaw member of the tool is configured to slide with respect to the other jaw member of the tool in the longitudinal direction of the shaft. The slidable jaw member or the slidable portion of the jaw member is pre-tensed in a starting position by a spring element. | 06-28-2012 |
20120165840 | Medical needle holder - A medical needle holder having a shaft, a tool mounted on the distal end of the shaft, two jaw members, such that one jaw member of the tool is configured to pivot with respect to the other jaw member, a handle positioned on the proximal end of the shaft and at least two gripping members, such that the pivotable jaw member of the tool can be actuated by a movably configured gripping member of the handle. | 06-28-2012 |
20120172663 | ENDOSCOPIC INSTRUMENT SYSTEM - An endoscopic instrument system for performing endoscopic interventions via a natural access path, including a flexible endoscope with an endoscope handle and an elongate endoscope shaft introducible into a hollow space in a body, wherein the endoscope shaft includes a steerable end section and at least one instrument channel, and also includes an endoscopic instrument with a handle, an elongate instrument shaft and a tool which can be actuated by a pull and/or push element arranged within the instrument shaft and connected to the handle and to the tool, wherein the endoscopic instrument can be introduced into the instrument channel for conducting manipulations in the hollow space in the body, and wherein the instrument shaft includes a continuous flexible tube that is connected, such that it is rotationally fixed, to the handle and to the tool with respect to a longitudinal direction of the tube. | 07-05-2012 |
20120209255 | MEDICAL INSTRUMENT - A medical instrument with a hollow shaft and a handle mounted on the proximal end of the shaft, such that the shaft can be rotated around its longitudinal axis by a power drive, and such that the power drive is configured as an adjusting wheel that can both be rotated around the longitudinal axis of the shaft and also moved in the longitudinal direction of the shaft. To provide a medical instrument whose power drive makes simple and secure operation of the shaft rotation possible, the power drive can be actuated in every working position in one-handed operation, independently of any other actuation of the handle. | 08-16-2012 |
20120259319 | TOOL FOR A MICRO-INVASIVE SURGICAL INSTRUMENT - A tool, which is detachably coupleable with a shaft for a micro-invasive surgical instrument, includes an articulated device on which a jaw member or other active device is affixed, a connecting component that is rotatably connected with the articulated device and that includes a coupling device for detachable coupling with a distal end of a shaft, a transmission rod to transmit at least either a force or torque from one proximal end of a shaft detachably coupled with the tool to the jaw member or other active device, and a locking device that is coupled with the transmission rod in such a way that the locking device can be rotated with respect to the transmission rod but not slid axially, so that the locking device is mounted in the connecting component in such a way that it can be axially slid but not rotated in relation to the connecting component. | 10-11-2012 |
20120290000 | MEDICAL TUBULAR SHAFT INSTRUMENT AND METHOD FOR PRODUCING A FORCE TRANSMISSION ELEMENT OF THE SAME - A medical tubular shaft instrument having a tube and a force transmission element extending lengthwise through the tube. The tube includes a jaw member arrangement on a distal end, which is coupled with the force transmission element and actuated by sliding the force transmission element along the tube. The tube includes a handpiece on a proximal end. The force transmission element, over part of its length, has a smaller outer diameter than the inner diameter of the tube to configure a ring-shaped flushing canal, and, one section along its length, it is centered in the tube in this section. The force transmission element includes precisely one section in which it is centered in the tube, and the section is in the vicinity of the distal end of the force transmission element and is perpendicular to its longitudinal axis by reshaping the force transmission element. | 11-15-2012 |
20130053835 | TOOL FOR A MICRO-INVASIVE SURGICAL INSTRUMENT - A shaft for a micro-invasive surgical instrument includes a shaft tube with a proximal end portion and a distal end portion, a coupling device for detachable mechanical coupling of the shaft with a tool, and a rotation bearing, which mechanically connects the coupling device with the distal end portion of the shaft tube. The rotation bearing is configured in order to allow rotation of the coupling device with respect to the shaft tube about the longitudinal axis of the shaft on the distal end portion of the shaft. | 02-28-2013 |
20130150792 | Sealing Means For The Sealing Of An Introduction Facility For A Medical Instrument - A sealing means for sealing an introduction facility for a medical instrument includes a first sealing membrane of an elastic material with a first slit and a second sealing membrane of an elastic material with a second slit. The first sealing membrane and the second sealing membrane abut laminarily on each other. The first sealing membrane and the second sealing membrane are arranged such that the first slit and the second slit are not parallel with each other. Each of the first slit and the second slit is unbranched. | 06-13-2013 |
20130158527 | Medical Instrument With A Detent - A medical instrument includes a shaft which is connected at the proximal end to a handle, and it also includes an insert which is guided along the shaft and which is connected at the proximal end to a movable grip part of the handle. At its distal end, the insert has a tool which can be actuated by pivoting of the grip part. A lock is also provided which can be brought into locking engagement with the movable grip part. To cancel the lock function, a detent is provided which can be brought between lock and movable grip part, such that the lock function can be cancelled by the detent. | 06-20-2013 |
20130237907 | Medical Instrument With A Lockable Bend Control Mechanism - A medical instrument includes a shaft whose distal end is bendable. Arranged at the proximal end of the shaft there is a handle on which a bend control mechanism for controlling the bending movement is arranged. The bend control mechanism has a pivotable control element. The pivotable control element runs over a friction element, and an actuating element is provided via which the friction element can be brought out of a locking engagement with the control element. | 09-12-2013 |
20130304063 | Micro-Invasive Medical Instrument - A medical instrument includes an outer shaft, a manipulation device at the proximal end of the outer shaft, a tool at the distal end of the outer shaft, with a first effecting device for a first function and a second effecting device for a second function, a first transmission device in the outer shaft for transmitting at least either a force or a torque for controlling the first effecting device, and a second transmission device in the outer shaft for transmitting at least either a force or a torque for controlling the second effecting device. The outer shaft is at least either curved or able to be curved or has a pivot joint. The first transmission device and the second transmission device are each designed to be flexible at least in sections. | 11-14-2013 |
20130310814 | Medizinisches Instrument und Verfahren zum Zusammensetzen eines medizinischen Instruments - A medical instrument includes an outer shaft, a transmitting device arranged for transferring at least a force or torque and a tool having a coupling device for detachable mechanical connection of the tool and a coupling device on the distal end of the outer shaft and having a transferring coupling device for the detachable mechanical connection of the tool and a tool coupling device on the distal end of the transmitting device. The mechanical connection of the tool coupling device on the outer shaft and the outer shaft coupling device buildable by moving the outer shaft in relation to the tool in a first direction. The mechanical connection of the tool and transfer coupling devices on the transmitting device and device buildable by moving the transmitting device in relation to the tool in a second direction. The first direction opposite to the second direction. | 11-21-2013 |
20130338647 | Unknown - A shank for a medical instrument includes a controlled curvable portion or a hinge, an uncontrolled flexible portion, and a shank coupling device for the releasable mechanical connection of the shank to a maneuvering device. | 12-19-2013 |
20140336688 | DILATATIONSVORRICHTUNG UND AUSDEHNBARER UBERZUG FUR EIN DILATATIONSINSTRUMENT - A dilation device including a dilation instrument which includes a distal radially expandable section which is coupled via an elongate shank to a handling section, and an expandable covering with a closed distal end and an open proximal end, for the expansion section of the dilation instrument. The covering has a shank section extending along the shank of the dilation instrument. The open proximal end of the covering is detachably coupled to the distal end of the handling section of the dilation instrument. Furthermore, the covering is disclosed per se, which consists of a mesh material and has a shank section, which is connected to a coupling sleeve at the open proximal end. | 11-13-2014 |