Puncture cannula device of small laparoscope puncture outfit

A cannula device and trocar technology, which is applied in the directions of trocars, puncture needles, puncture needles, etc., can solve the problems of easy air leakage of the gas injection valve, poor sealing effect of sealing components, easy shaking of the puncture needle rod, etc. It is not easy to leak or leak, the sealing performance is reliable, and the sealing effect is good.

Pending Publication Date: 2018-07-10
杰尼肯(苏州)医疗器械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current puncture sleeve has problems such as poor sealing effect of the sealing component, easy shaking of the puncture needle shaft, and easy leakage of the gas injection valve.

Method used

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  • Puncture cannula device of small laparoscope puncture outfit
  • Puncture cannula device of small laparoscope puncture outfit
  • Puncture cannula device of small laparoscope puncture outfit

Examples

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Embodiment Construction

[0045] The present invention will be further described below in combination with specific embodiments. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

[0046] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describin...

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Abstract

The invention relates to a puncture cannula device of a small laparoscope puncture outfit. A sealing assembly is mounted in an inner cavity of a puncture cannula, and a channel allowing a puncture needle to penetrate is formed in the vertical center of the puncture cannula; an air injection valve is mounted on the side wall of a puncture cannula seat and integrated with the puncture cannula. The puncture cannula further comprises the puncture cannula seat and a puncture positioning guide cover, the sealing assembly can be firmly fixed in an inner cavity formed between the puncture cannula seatand the puncture positioning guide cover by a connecting mechanism between the puncture cannula seat and the puncture positioning guide cover, the sealing assembly comprises a first sealing valve, asecond sealing valve and a sealing cover, and with adoption of a multi-stage sealing device, the sealing effect is good; a limiting structure is arranged between the puncture positioning guide cover and the puncture needle and can effectively prevent the puncture needle from shaking, the air injection valve and the puncture cannula seat are integrally formed, mounting stability is high, and the probability of air or liquid leakage is low. The puncture cannula device is specially designed for the puncture outfit with specification being 5 mm, and has the advantages of being convenient to mount,good in sealing effect, safe and reliable.

Description

technical field [0001] The invention belongs to the technical field of medical instruments, and relates to a puncture sleeve device of a small laparoscopic puncture device. Background technique [0002] In minimally invasive human medical surgery, once a disease is found in the human body, surgery or resection is required. During the operation, the puncture device is first used. The puncture device is a kind of operation that pierces the abdominal wall and enters the body cavity for other surgical instruments. An instrument belongs to a minimally invasive surgical instrument. A trocar usually includes a sleeve assembly serving as an access channel for other surgical instruments and a puncture rod penetrating through the sleeve assembly. First, in order to penetrate the skin, cut the epidermis of the skin with a scalpel, then use the puncture rod to penetrate the skin and enter the body cavity together with the sleeve assembly, and then pull out the puncture rod, the sleeve ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/34
CPCA61B17/00234A61B17/3421A61B17/3474
Inventor 沈载宽马军
Owner 杰尼肯(苏州)医疗器械有限公司
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