# US 2014/0155933 A1 · Medizinisches Instrument > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0155933 A1 - Document ID: US20140155933A1 - Status: Published application - Kind: A1 - Application number: 14/085,306 - Filed: 2013-11-20 - Published: 2014-06-05 - Earliest claimed: 2012-11-20 - Assignees: Karl Storz GmbH & Co. KG - Inventors: Jochen Stefan; Daniel Kaercher - Web page: https://patentgrep.com/patent/US20140155933A1 ## CPC - A61B 17/29: Forceps for use in minimally invasive surgery - A61B 17/00234: {for minimally invasive surgery (A61B17/0218, A61B17/0469, A61B17/12013, A61B17/1285, A61B17/29, A61B17/320016 take precedence)} - A61B 17/2909: {Handles} - F16C 11/04: Pivotal connections (hinges for doors, windows or wings E05D) - A61B 2017/00464: {for use with different instruments} - A61B 2017/00477: {Coupling (A61B2017/0046 takes precedence)} - A61B 2017/292: {connection of actuating rod to handle, e.g. ball end in recess} - Y10T 403/32114: including static joint - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) - F16C: SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract A transmission adapter for a medical instrument with a shank, a transmission device movable in the shank, and a manipulating device with a first part, which can be coupled mechanically rigidly to a proximal end of the shank, and a second part, which is movable relative to the first part, includes a first coupling element for releasable mechanical coupling to the second part of the manipulating device, and a second coupling element for releasable mechanical coupling to a proximal end of the transmission device. ## Claims ### Claim 1 A transmission adapter for a medical instrument with a shank, a transmission device movable in the shank, and a manipulating device with a first part, which can be coupled mechanically rigidly to a proximal end of the shank, and a second part, which is movable relative to the first part, wherein the transmission adapter has: a first coupling element for releasable mechanical coupling to the second part of the manipulating device; a second coupling element for releasable mechanical coupling to a proximal end of the transmission device. ### Claim 2 (depends on 1) The transmission adapter according to claim 1, in which the second coupling element comprises a movable grip jaw for holding the proximal end of the transmission device with a form fit or force fit. ### Claim 3 (depends on 2) The transmission adapter according to claim 2, also with: an elastic element, which is provided and designed to mechanically pretension the movable grip jaw to a position gripping the proximal end of the transmission device. ### Claim 4 (depends on 1) The transmission adapter according to claim 1, in which the second coupling element has a rotatable coupling member, wherein the rotatable coupling member is rotatable between a first position, in which a mechanical coupling to the proximal end of the transmission device can be produced and can be released, and a second position, in which a mechanical coupling to the proximal end of the transmission device is locked. ### Claim 5 (depends on 1) The transmission adapter according to claim 1, in which the second coupling element is designed to be locked when the transmission adapter is arranged in a manipulating device. ### Claim 6 (depends on 1) The transmission adapter according to claim 1, in which the first coupling element of the transmission adapter has a surface portion in the shape of a spherical surface. ### Claim 7 (depends on 1) The transmission adapter according to claim 1, wherein the second coupling element is designed to transmit a torque to a transmission device coupled to the second coupling element. ### Claim 8 A shank for a medical instrument, with: a proximal end for coupling to a first part of a manipulating device; a distal end for coupling to a tool; and a transmission adapter, which is movable relative to the shank. ### Claim 9 (depends on 8) The shank according to claim 8, wherein the second coupling element of the transmission adapter is designed to transmit a torque to a transmission device coupled to the second coupling element, in order to lock a releasable mechanical coupling of a tool to the distal end of the shank. ### Claim 10 (depends on 1) A shank adapter with: a proximal end for coupling to a first part of a manipulating device; a distal end for coupling to a proximal end of a shank; a transmission adapter according to claim 1, which is movable relative to the shank adapter. ### Claim 11 (depends on 9) The shank according to claim 9 with: a lateral opening, wherein the movable grip jaw is arranged at least partially in the lateral opening, and wherein the movable grip jaw is designed to lie completely within the contour of the shank or of the shank adapter when a proximal end of a transmission device is held with a form fit by the movable grip jaw, and to protrude beyond the contour of the shank or of the shank adapter when the transmission adapter is uncoupled from a proximal end of a transmission device. ### Claim 12 (depends on 1) A medical instrument with: a manipulating device with a first part and a second part which is movable relative to the first part; a shank with a proximal end, which can be coupled mechanically to the first part of the manipulating device, and a distal end; a transmission device, movable in the shank, for transmitting at least either a force or a torque between the second part of the manipulating device and the distal end of the shank; a transmission adapter according to claim 1. ### Claim 13 (depends on 12) The medical instrument according to claim 12, in which the transmission adapter is a component part of a shank. ### Claim 14 (depends on 12) The medical instrument according to claim 12, in which the transmission device, in an area provided for the mechanical coupling to the second coupling element of the transmission adapter, has a cross section that is not rotationally symmetrical with respect to the longitudinal axis, the second coupling element of the transmission adapter has a cross section that corresponds to the non-rotationally symmetrical cross section of the transmission device. ### Claim 15 (depends on 12) The medical instrument according to claim 12, with: a plurality of alternatively usable transmission devices with differently designed proximal ends; a plurality of alternatively usable transmission adapters, wherein the first coupling elements of all the transmission adapters are identical and designed for releasable mechanical coupling to the second part of the manipulating device, wherein the second coupling elements of the plurality of transmission adapters are designed differently, wherein each transmission adapter has a second coupling element which is designed for releasable mechanical coupling to a proximal end of one of the transmission devices. ### Claim 16 (depends on 10) A shank adaptor according to claim 10 with: a lateral opening, wherein the movable grip jaw is arranged at least partially in the lateral opening, and wherein the movable grip jaw is designed to lie completely within the contour of the shank or of the shank adapter when a proximal end of a transmission device is held with a form fit by the movable grip jaw, and to protrude beyond the contour of the shank or of the shank adapter when the transmission adapter is uncoupled from a proximal end of a transmission device. ### Claim 17 (depends on 13) The medical instrument according to claim 13 wherein the shank has: a proximal end for coupling to a first part of a manipulating device; a distal end for coupling to a tool; and a transmission adapter, which is movable relative to the shank. ### Claim 18 (depends on 17) The medical instrument according to claim 17 wherein the shank has the second coupling element of the transmission adapter designed to transmit a torque to a transmission device coupled to the second coupling element, in order to lock a releasable mechanical coupling of a tool to the distal end of the shank.