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Endoscope treatment tool

A technology for treating instruments and endoscopes, applied in the directions of endoscopes, internal fixators, applications, etc., can solve problems such as mucosal slippage, and achieve the effect of easy operation

Active Publication Date: 2008-10-08
OLYMPUS CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, according to the above-mentioned technology, the front end diameter of the transparent cap is larger than that of the endoscope, so it is difficult to make it drill into a small incision to open the incision.
In addition, even if the tip cap is inserted into the incision, the mucous membrane may slip off from the tip cap when operating the endoscope for incision or peeling.

Method used

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Examples

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Embodiment Construction

[0038] Preferred embodiments for carrying out the present invention will be described in detail with reference to the drawings.

[0039] As shown in Figure 1, the endoscope treatment tool 1 has a front end member 3, a treatment part 5, a coil cover 6, an outer sleeve 7, and an operation part 8. Connected to the front end member 3 through the connecting member 4, the coil cover 6 is elongated and fixed with the treatment part 5, the outer tube 7 can freely advance and retreat through the coil cover 6, and the operating part 8 is arranged at the hand of the operator The operation of the treatment unit 5 and the like are performed on the proximal side, that is, the proximal side.

[0040] Such as figure 2 and image 3 As shown, the distal end member 3 is composed of a cover 11 attached to the distal end of the endoscope 2 and a cylindrical cap 12 integrally provided with the cover 11 . A notch 13 is provided in the cover 11 so as to cross the longitudinal direction from the ba...

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Abstract

The endoscope treatment tool 1 has a distal end member 3 which is installed in an endoscope. A connection member 4 is attached to the distal end member 3 in a freely rotatable manner. In the connection member 4, a portion which is supported by a cap 12 of the distal end member 3 is a second pivot shaft 15. A portion penetrating a supporting member 21 of a treatment portion 5 is a first pivot shaft 23. The first pivot shaft 23 is also a rotational axis of a pair of forceps members 22 provided in the treatment member 5. When the forceps members 22 are used, a coil sheath 6 is extended by an operation at the side of the proximal end. The connection member 4 rotates about the second pivot shaft 15, which is a fulcrum, and the treatment portion 5 moves forward beyond the cap 12. In accordance with the present invention, it is possible to resolve the difficulty of procedures by positioning the treatment portion in an appropriate location.

Description

technical field [0001] The present invention relates to a treatment instrument for an endoscope used together with an endoscope. Background technique [0002] Conventionally, endoscopic mucosal resection (EMR: Endoscopic Mucosal Resection) in which a lesion is excised using an endoscope has been performed as a general treatment method for gastrointestinal lesions. In particular, endoscopic submucosal dissection (hereinafter referred to as ESD: Endoscopic Submucosal Dissection) is known as a method in which the mucosa around the lesion is incised and the submucosa is peeled off to remove the lesion. Reliable endoscopic treatment that can completely resect the lesion. [0003] When performing such ESD, physiological saline or the like is injected into the normal mucous membrane around the lesion with an injection needle to float the lesion. The portion between the lesion and the normal mucosa (for example, refer to Patent Document 1.). At this time, lift the lesion to a suf...

Claims

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Application Information

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IPC IPC(8): A61B17/94A61B17/3205A61B1/012
CPCA61B18/1492A61B18/1445A61B2017/2945A61B2018/00494A61B2018/00601A61B2018/1432A61B17/00
Inventor 六枪雄太矢作直久
Owner OLYMPUS CORP
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