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CN-121987272-A - Handle assembly, tube assembly, actuator assembly and medical instrument

CN121987272ACN 121987272 ACN121987272 ACN 121987272ACN-121987272-A

Abstract

A handle subassembly, body subassembly, executor subassembly and medical instrument for medical instrument, this handle subassembly includes the casing, power device and drive assembly, the casing includes inside cavity, power device detachably sets up in the cavity, including recognition device, recognition device includes discernment cooperation portion, drive assembly movably sets up on the casing, drive assembly's proximal end is connected with discernment cooperation portion, discernment cooperation portion is configured to can be pushed the characteristic distance by drive assembly, recognition device is configured to send corresponding identification signal according to the characteristic distance. Thereby, automatic identification of the type of the actuator assembly mounted to the medical instrument can be achieved.

Inventors

  • LU SHAOLEI
  • ZHANG ZHIXING

Assignees

  • 宁波海泰科迈医疗器械有限公司

Dates

Publication Date
20260508
Application Date
20241108

Claims (13)

  1. 1. A handle assembly for a medical instrument, comprising: A shell body, comprising an inner cavity, The power device is detachably arranged in the cavity and comprises a recognition device, wherein the recognition device comprises a recognition matching part and The transmission component is movably arranged on the shell, wherein the proximal end of the transmission component is connected with the identification matching part, Wherein the identification mating portion is configured to be pushed by the transmission assembly by a characteristic distance, and the identification device is configured to emit a corresponding identification signal according to the characteristic distance.
  2. 2. The handle assembly of claim 1, wherein the transmission assembly comprises a first push block that is slidable, and the identification mating portion comprises a second push block, the first push block abutting the second push block.
  3. 3. The handle assembly of claim 2, wherein the first pusher comprises a pusher body and a proximal pusher rod extending from the pusher body toward the second pusher, The handle assembly further includes a bacteria barrier disposed at a distal end of the housing, the bacteria barrier disposed proximal to the pusher body and configured to isolate the pusher body from the cavity, The bacteria isolation plate comprises a push rod through hole, the proximal push rod slidably penetrates through the push rod through hole to be abutted with the second push block, and the proximal push rod is in sealing connection with the push rod through hole.
  4. 4. The handle assembly of claim 3, wherein the first push block further comprises a first elastic connection member having one end connected to a side of the push block body facing the bacteria barrier plate and the other end connected to the bacteria barrier plate.
  5. 5. The handle assembly of claim 4, wherein the first elastic connection member comprises a first spring, a protruding spring connection portion is arranged on one side of the bacteria-isolating plate, which faces the push block main body, and one end of the first spring is fixed to the push block main body, and the other end of the first spring is sleeved on the spring connection portion.
  6. 6. The handle assembly of any of claims 3-5, wherein the housing comprises: a first sub-housing, and The second sub-shell is arranged at the proximal end of the first sub-shell and is movably connected with the first sub-shell so as to form the cavity with the first sub-shell; the first pushing block and the bacteria-isolating plate are arranged on the first sub-shell.
  7. 7. The handle assembly of any of claims 2-5, wherein the identification device further comprises a slide rheostat comprising a slide for adjusting the resistance, the second push block being connected to the slide, the slide being configured to move the characteristic distance to set the corresponding resistance.
  8. 8. The handle assembly of any of claims 2-5, wherein the identification mating portion further comprises a second spring connector disposed on a side of the second push block remote from the first push block.
  9. 9. A tube assembly for a medical instrument, the medical instrument including a handle assembly, the tube assembly comprising: A tube body, and The first transmission assembly is arranged in the pipe body and comprises a third pushing block, a pushing connecting rod and a rotating pushing piece, wherein the distal end and the proximal end of the pushing connecting rod are respectively connected with the third pushing block and the rotating pushing piece, and the rotating pushing piece comprises a rotating connecting part connected with the pushing connecting rod in a circumferential direction and a linear pushing part abutted to the handle assembly.
  10. 10. The pipe body assembly according to claim 10, wherein the linear pushing portion extends along the axial direction of the pipe body assembly, the rotary connecting portion is semi-annular, and the extending direction of the linear pushing portion is perpendicular to the plane in which the rotary connecting portion is located.
  11. 11. An actuator assembly for a medical instrument comprising an actuation module and a connection head disposed proximal to the actuation module, wherein the connection head has a characteristic length.
  12. 12. A medical device, comprising: The handle assembly of any of claims 1-8, wherein the transmission assembly is a second transmission assembly; A pipe body assembly as claimed in any one of claims 9 to 10, and The actuator assembly of claim 11, The actuator assembly is detachably connected with the far end of the pipe body assembly, the far end of the third pushing block is abutted to the connecting head, the handle assembly is detachably connected with the near end of the pipe body assembly, the connecting head pushes the identification matching part to the characteristic distance through the first transmission assembly and the second transmission assembly, and the characteristic distance corresponds to the characteristic length.
  13. 13. The medical device of claim 12, wherein the second transmission assembly includes a slidable first push block, the identification mating portion includes a second push block, the first push block abuts the second push block, the proximal end of the tube assembly has a push block groove that mates with the first push block, and the distal end of the first push block is received and abuts within the push block groove.

Description

Handle assembly, tube assembly, actuator assembly and medical instrument Technical Field The present disclosure relates to a handle assembly, a tube assembly, an actuator assembly, and a medical instrument. Background The endoscopic stapler can be used for the separation, excision and/or anastomosis establishment of organs, tissues or blood vessels in a body, and is suitable for various open or minimally invasive operations. Generally, an endoscopic stapler includes an operating assembly, a longitudinally extending shaft assembly, and a distal end effector. In minimally invasive surgery, the endoscopic stapler is passed through a passage through the penetrator into the patient and performs the corresponding procedure. Currently, electric staplers on the market are generally instruments for fixing the length of a cutting suture, and when staple cartridges with different lengths of cutting suture are used, the instruments need to be replaced, or the electric staplers can replace actuator assemblies with different lengths of cutting suture, such as single-use loading units or SULU (single-use loading units), but an operator is required to select a gear matching the type of actuator assembly on the instruments to perform corresponding operations, and the operations are complex and man-machine interaction is poor. Disclosure of Invention The invention provides a handle assembly, a tube body assembly, an actuator assembly and a medical instrument, which can solve the problems that the medical instrument in the conventional technology is difficult to match with the actuator assemblies of different models. At least one embodiment of the present disclosure provides a handle assembly for a medical instrument, the handle assembly comprising a housing, a power device and a transmission assembly, the housing comprising an internal cavity, the power device being detachably disposed in the cavity, comprising an identification device, wherein the identification device comprises an identification mating portion, the transmission assembly being movably disposed on the housing, wherein a proximal end of the transmission assembly is connected with the identification mating portion, wherein the identification mating portion is configured to be pushed by the transmission assembly by a characteristic distance, the identification device being configured to emit a corresponding identification signal in accordance with the characteristic distance. For example, in a handle assembly provided in at least one embodiment of the present disclosure, the transmission assembly includes a first push block that is slidable, and the identification mating portion includes a second push block, and the first push block abuts against the second push block. For example, in a handle assembly provided by at least one embodiment of the present disclosure, the first pusher includes a pusher body and a proximal pusher extending from the pusher body toward the second pusher, the handle assembly further includes a septum disposed at a distal end of the housing, the septum disposed proximal of the pusher body and configured to isolate the pusher body from the cavity, the septum including a pusher through hole, the proximal pusher slidably passing through the pusher through hole and abutting the second pusher, the proximal pusher being in sealing connection with the pusher through hole. For example, in the handle assembly provided in at least one embodiment of the present disclosure, the first pushing block further includes a first elastic connection member, one end of the first elastic connection member is connected to a side of the pushing block body facing the bacteria isolation plate, and the other end of the first elastic connection member is connected to the bacteria isolation plate. For example, in the handle assembly provided in at least one embodiment of the present disclosure, the first elastic connection member includes a first spring, a protruding spring connection portion is disposed on a side of the bacteria-isolation plate facing the push block main body, one end of the first spring is fixed to the push block main body, and the other end of the first spring is sleeved on the spring connection portion. For example, in the handle assembly provided in at least one embodiment of the present disclosure, the housing includes a first sub-housing and a second sub-housing, the second sub-housing is disposed at a proximal end of the first sub-housing and is movably connected to the first sub-housing, so as to form the cavity with the first sub-housing, and the first pushing block and the bacteria-isolation plate are disposed on the first sub-housing. For example, in the handle assembly provided in at least one embodiment of the present disclosure, the identification device further includes a sliding resistor, the sliding resistor includes a sliding portion for adjusting the resistance, the second push block is connected to the sliding portion, and the s