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Medical treatment implement

A technology for medical appliances and appliances, which can be applied to other medical devices, medical science, surgery, etc., and can solve the problem of the degree of freedom of inserting and disposing of appliances, and achieve the effect of excellent degrees of freedom

Active Publication Date: 2019-04-02
SUMITOMO BAKELITE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The conversion unit of Patent Document 1 has the following problem: Since a plurality of ports are formed in advance, the position through which the treatment instrument can be inserted is designated, so that the operator cannot insert the treatment instrument at any position, and the degree of freedom of operation is low.

Method used

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Embodiment Construction

[0033] Embodiments of the present invention will be described below based on the drawings. In addition, in each drawing, the same code|symbol is attached|subjected to the corresponding component, and overlapping description is abbreviate|omitted suitably. In addition, in this specification, in order to describe the relative positional relationship between the conversion part and the retractor main body, the retractor main body side may be referred to as the lower side, and the conversion part side may be referred to as the upper side. However, the vertical direction does not necessarily mean the vertical direction in the gravitational direction, and it is not limited to the direction when the medical treatment tool of the present invention is used.

[0034] Figure 1A and Figure 1B It is a perspective view showing an example of the medical treatment tool 10 of this embodiment. Figure 1A Indicates the state in which the conversion part 20 is separated from the retractor main...

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Abstract

This medical treatment implement, which provides an outstanding degree of freedom in terms of procedure and allows repeated piercing of a trocar, is provided with: a tubular retractor body which indwells in an incision wound; and a converter (20) which closes an open end portion at the upper end of the retractor body and which can be punctured by a trocar. The converter (20) includes: a ring-shaped frame portion (22) fitted detachably to the open end portion; and a sheet portion (21) which is fitted to the inside of the frame portion (22) and hermetically covers the open end portion. The sheetportion (21) is urged in a radially inward direction with a compressive force P.

Description

technical field [0001] The present invention relates to a medical treatment instrument used for indwelling in an incision. [0002] This application claims priority based on Japanese Patent Application Laid-Open No. 2016-153862 for which it applied in Japan on August 4, 2016, and uses the content here. Background technique [0003] In laparoscopic surgery, a so-called single-port surgery is performed by inserting a plurality of treatment instruments such as forceps and optical devices from one incision. Patent Document 1 and Patent Document 2 describe a medical treatment tool called a retractor for inserting various treatment tools into one incision. The retractor is composed of the following: a cylindrical retractor main body, which keeps the incision formed by cutting the body wall of the subject with a scalpel in an open state; a cover-shaped conversion part, which blocks the retraction The opening at the upper end of the main body. In the conversion part of Patent Doc...

Claims

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Application Information

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IPC IPC(8): A61B17/34
CPCA61B17/34A61B17/3423A61B17/3462A61B17/02A61B17/3431A61M39/04A61B2017/3435A61B2017/3441A61B17/3415A61B2017/3433A61B2017/3445A61B2017/348
Inventor 铃木善悦工藤诚之
Owner SUMITOMO BAKELITE CO LTD
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