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Novel handle component

A handle, a new type of technology, applied in the field of medical equipment, can solve problems such as easy breakage, and achieve the effect of avoiding breakage

Active Publication Date: 2012-06-13
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] During the operation, after the nail is formed, the push nail cannot move forward. However, the doctor will continue to apply a large force to squeeze the handle after firing, causing the firing handle to be over-extruded and easily broken.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0027] like figure 1 As shown, in this embodiment, the new handle assembly includes a firing link 2 and a firing handle 1. The firing link 2 is pivoted to the firing handle 1 through a second pin shaft 5. The firing link 2 includes a body 21 and is arranged on the body. 21 the extruding part of the front end, the top of the firing handle 1 is provided with a limit block 11, one end of the limit block 11 is fixed to the firing handle 1, and the other end is far away from the firing handle and extends toward the firing handle. connecting rod 2. The limit block 11 is provided with a protrusion 13, the axis of the protrusion 13 is perpendicular to the axis of the limit block 11, so that the protrusion 13 can directly act on the body of the firing link 2 during use, thereby driving the entire The firing link 2 rotates around the second pin shaft 5 . Wherein, the limit block 11 is welded on the percussion handle 1, of course, the limit block 11 can be punched out by the percussion...

no. 2 example

[0029] like figure 2 As shown, in this embodiment, the firing link 2 includes a body 21 and tail fins 22 arranged on both sides thereof. Of course, only one side of the body 21 may be provided with tail fins, and the firing handle 1 corresponds to one side or two tail fins. A limit block 11 is arranged on the side, and the limit block 11 can act on the empennage 22 during use, thereby driving the entire firing link 2 to rotate around the second pin shaft 5 . Other structures in this embodiment are the same as those in the first embodiment, so they will not be repeated here.

[0030] Combine below Figure 3-Figure 5 Briefly introduce the working principle of the present invention:

[0031] When the new handle assembly is assembled in the linear closer, the firing handle 1 is pivoted on the shell 6 through a first pin shaft 4, and the extruding part of the firing link 2 abuts against the end of the push rod 3, as image 3 In the initial state shown, the firing handle 1 is no...

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PUM

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Abstract

The invention provides a novel handle component. The novel handle component comprises a striking connecting rod and a striking handle which are pivotally connected through a pin shaft, wherein the striking connecting rod comprises a body and an extrusion part which is arranged at the front end of the body; the top end of the striking handle is provided with at least one limiting block; one end ofthe limiting block is fixed on the striking handle, and the other end of the limiting block is away from the striking handle and extended to the striking connecting rod; and the striking connecting rod can rotate around the pin shaft under the action of pushing of the limiting block. The novel handle component has the main advantages of effectively preventing breakage of the striking handle caused by over-high continuous stressing, along with safety and reliability.

Description

technical field [0001] The invention relates to a novel handle assembly, in particular to a novel handle assembly suitable for a surgical binding instrument including a linear closer and an arc slit cutter, and belongs to the field of medical instruments. Background technique [0002] At present, when performing surgical anastomosis on physiological tissues such as the esophagus, stomach, and intestinal tract, a surgical stapler is often used for anastomosis, and a linear closer is a relatively important one. In the prior art, with reference to U.S. Patent No. 7,407,076, a linear closer is described, which is used to close the wounds of the digestive tract and visceral tissues. chamber, and the firing handle pivoted on the bracket. The operation process is roughly as follows: First, the tissue is placed between the anvil and the staple cartridge, and then the firing handle is squeezed, and the staple cartridge moves toward the anvil to clamp the tissue. Then release the fi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B17/072
Inventor 陈望东孙克展王献峰
Owner TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO LTD