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Electric linear anastomat

A linear stapler, electric technology, applied in anatomical instruments, medical science, surgery, etc., can solve the problems of inability to meet the linear stapler, increase in volume, cost, unfavorable marketization, etc., to provide visual feedback and reduce processing. cost, the effect of improving the probability of success

Active Publication Date: 2014-06-04
TIANJIN RAPID PRECISION MACHINERY TECH RES & DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, the above-mentioned two driving motors and two transmission mechanisms are complicated and difficult to operate. When the kiss cut needs to be fired, two buttons need to be pressed at the same time, which is easy to cause linkage or interference, and the safety control device is manual. Two sets of The drive motor will increase the size and cost, which is not conducive to marketization, and at the same time cannot meet the needs of linear staplers

Method used

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  • Electric linear anastomat
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Embodiment Construction

[0020] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0021] Such as figure 1 As shown, the electric linear stapler of the present invention includes a kiss-cutting mechanism and a driving actuator, and the driving actuator includes a tube body 20, a push tube 6 arranged in the tube body 20 that can be driven forward and backward, and a set Driven at the center of the push tube 6 is a central rod 5 that can be screwed forward and backward. The kiss cutting mechanism includes a nail anvil 1 that is driveably connected with the central rod and can only move forward and backward, and the push The push nail assembly 2 that can only move back and forth and can be driven by the tube.

[0022] Wherein, for driving the actuator, any electric d...

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Abstract

The invention discloses an electric linear anastomat which comprises an osculating mechanism and a driving and executing mechanism, wherein the driving and executing mechanism comprises a tube body, a push tube which is arranged inside the tube body and capable of being driven to precess back and forth, and a center rod which is arranged at the center of the push tube and capable of being driven to precess back and forth, and the osculating mechanism comprises an L-shaped nail abutting base which is in transmission connection with the center rod and capable of moving back and forth only, and an L-shaped nail pushing component which is in transmission connection with the push tube and capable of moving back and forth only. The electric linear anastomat is simple in structure, highly practical, capable of achieving adjustment and percussion by means of one motor and reducing machining cost, convenient to control, and capable of improving the using effect. Due to the fact that percussion is achieved with the motor, the difference caused by manual percussion is avoided. Due to the additional arrangement of a feedback window, visual feedback is provided, the success rate is increased, and the operation effect is improved.

Description

technical field [0001] The invention relates to the technical field of medical instruments, in particular to an electric linear stapler. Background technique [0002] The medical stapler is a medical device that is often used when performing surgical operations on the physiological tissues of the digestive tract. Now the commonly used staplers are all manually operated in the process of "closing, stapling, and cutting" the physiological tissues. Usually, the manual operation steps It is cumbersome, prone to misoperation, or causes surgical failure. In addition, due to individual differences, the degree of tissue closure and closure time are likely to be inconsistent during manual closing operations, and the firing force during firing operations will vary greatly, thereby reducing the quality of surgery. [0003] In order to overcome manual deficiencies, Chinese patent 201110109722.7 discloses a surgical stapler, which includes an anastomotic portion with an abutment seat, a...

Claims

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Application Information

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IPC IPC(8): A61B17/068
CPCA61B17/07207A61B17/3209A61B2017/00017
Inventor 马立军郭庆鹏
Owner TIANJIN RAPID PRECISION MACHINERY TECH RES & DEV
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