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Tack guide with lumens for articulating members

A guide, inner cavity technology, applied in the direction of connecting members, nails, staples, etc., can solve the problems of expensive and expensive internal threads

Inactive Publication Date: 2018-01-02
THD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, machining internal threads in the applicator arm is expensive and may require specialized machining techniques
Other techniques such as welding the coils in special extruded tubing are also very expensive and require special fixtures for welding

Method used

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  • Tack guide with lumens for articulating members
  • Tack guide with lumens for articulating members
  • Tack guide with lumens for articulating members

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] Refer below figure 1 , figure 1 Shown is an applicator shaft 10 of a stapler constructed and operative in accordance with a non-limiting embodiment of the present invention.

[0016] A staple guide 12 (eg helical) is fixed inside the applicator shaft (tube) 10 of the stapler. The shaft 10 may be an inexpensive tube made of stainless steel or any other suitable material. The staple guide 12 includes a coil portion 16 . Coil portion 16 is an internally threaded portion formed by helical members 18 axially spaced from each other over a portion of the longitudinal length of screw guide 12 . A rotating nail (not shown) can be threaded through the internally threaded portion. Screw guide 12 may be fabricated from stainless steel or any other suitable material. Staple guide 12 may also include guide portion 14 proximal to coil portion 16 ; however, in some embodiments, coil portion 16 extends the entire length of staple guide 12 without guide portion 14 . The guide porti...

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PUM

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Abstract

A tack guide (12) is affixed inside a tacker applicator shaft (10). The tack guide (12) includes a proximal guide portion (14) from which distally extends a distal coil portion (16). The proximal guide portion (14) includes one or more lumens (28) adapted for passing therethrough articulating members (30).

Description

technical field [0001] The present invention relates generally to stapler devices for applying surgical fasteners, such as rotary staples, to tissue, such as for hernia repair and the like, and more particularly to a staple guide for such staplers. Background technique [0002] Many surgical, laparoscopic and endoscopic procedures require the application of rotating staples to tissue, for example for hernia repair and the like. [0003] Nailers for applying such rotary staples are well known. In a typical stapler, the drive shaft is connected to the actuator. Operating the actuator will cause the drive shaft to rotate. The rotating peg is rotationally connected to the drive shaft and is held in the articulated applicator arm. Operation of the activator rotates the drive shaft to advance the rotating tack distally for deployment in tissue. Articulation cables are also provided for bending the applicator arms at different angles. The articulating cable is manipulated by t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/068A61B17/00A61B17/064
CPCA61B17/068A61B2017/00305A61B2017/00323A61B2017/00327A61B17/00234A61B17/064A61B2017/0647A61B2017/0649
Inventor N·阿尔特曼
Owner THD