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Medical instrument

A technology for medical and equipment, applied in the field of medical equipment, can solve the problems of difficult gastrostomy, increased labor costs, etc.

Active Publication Date: 2009-08-05
鲋田 昌贵
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, even with the above-mentioned conventional invention, when performing a general gastrostomy, in addition to one operator and one endoscope operator, an assistant for operating the medical instrument is required. 1, difficult to perform gastrostomy without facilities of endoscopist
In addition, labor costs have increased

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0032] Embodiments representing the present invention will be described below with reference to the drawings.

[0033] Figure 1 to Figure 12 One embodiment of the present invention is shown.

[0034] figure 1 and figure 2 is a longitudinal sectional view of the medical device 10 of the present embodiment, image 3 is a side view of the medical device 10 .

[0035] Such as figure 1 and figure 2 As shown, the medical device 10 has: a puncture needle 20 for inserting a suture; a puncture needle 30 for grasping a suture arranged approximately in parallel at a predetermined distance from the puncture needle 20 for inserting a suture; and inserting the suture slidably The probe 40 inside the grasping puncture needle 30 ; and the fixing member 50 fixing the base ends of the suture insertion needle 20 and the suture grasping puncture needle 30 . Hereinafter, description will be made sequentially.

[0036] The suture insertion puncture needle 20 is a hollow member into which...

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PUM

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Abstract

A medical instrument with which ligation in a living body can be carried out efficiently in safety by only one technician or by one technician and an assistant. The medical instrument comprises a puncture needle (20) for receiving a suture thread, a puncture needle (30) for gripping a suture thread, a stylet (40) inserted slidably into the puncture needle (30) for gripping a suture thread, and a fixing member (50) to which the puncture needle (20) for receiving a suture thread and the puncture needle (30) for gripping a suture thread are fixed. When an annular member (42) formed at the tip of the stylet (40) is allowed to project beyond the tip end of the puncture needle (30) for gripping a suture thread, central axis of the puncture needle (20) for receiving a suture thread or its extension extends to penetrate the interior of the annular member (42). On the rear end side of the puncture needle (20) for receiving a suture thread, a mechanism (60) for sequentially feeding the suture thread (S) in the tip-end direction is provided. On the rear end side of the puncture needle (30) for gripping a suture thread, a mechanism (70) for allowing the annular member (42) contained in the puncture needle (30) for gripping a suture thread to project beyond the tip end of the puncture needle (30) for gripping a suture thread is provided.

Description

technical field [0001] The present invention relates to a medical device used for percutaneously inserting a catheter into an abdominal viscera. In particular, it relates to a medical device used for fixing the anterior abdominal wall and visceral wall for easy catheter insertion during endoscopic gastrostomy for the purpose of supplying nutrients, discharging body fluids, and the like. Background technique [0002] Traditionally, open gastrostomy has been performed for patients requiring long-term nutrition. However, general gastrostomy is accompanied by excessive surgical invasiveness, so depending on the condition of the patient, surgery may not be performed in many cases. Therefore, recently, gastrostomy in which surgical invasiveness is minimized has been considered, and various medical devices for this purpose have also been produced. [0003] For example, the inventors of the present invention have proposed a medical device including: a puncture needle for inserting...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/06
CPCA61B17/0485A61B2017/06052A61B17/0281A61B17/04A61B2017/0472
Inventor 鲋田昌贵
Owner 鲋田 昌贵
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