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Medical water jet scalpel instrument

A water jet and instrument technology, applied in the direction of endoscopic cutting instruments, fluid jet scalpels, etc., can solve the problems of fixed liquid jet jet range, difficult operation, incomplete excision, etc., so as to improve the quality and efficiency of excision , Avoid the dead angle of the cavity, and avoid the effect of incomplete resection

Pending Publication Date: 2022-03-22
HUIZHOU HYDRO CARESYS MEDICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing fixed casing limits the jetting direction of the nozzle, resulting in a fixed jetting range of the liquid jet. When it is necessary to excise different parts of the tissue, it is difficult for the operator to change the jetting direction of the nozzle to achieve tissue at different depths. Excision, it is easy to cause incomplete or excessive excision, and the operation is difficult

Method used

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  • Medical water jet scalpel instrument
  • Medical water jet scalpel instrument
  • Medical water jet scalpel instrument

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Embodiment Construction

[0025] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0026] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation or position indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. The relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a sp...

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Abstract

The medical water jet scalpel instrument comprises a shell and a pressure pipe, a bend part is arranged at one end of the shell, a mounting groove is formed in the shell, one end of the mounting groove extends into the bend part to form a mounting cavity, and an adjusting groove communicating with the mounting cavity is formed in the side wall of the bend part; the first end of the pressure pipe comprises a straight pipe part and a bent pipe part which are communicated with each other, the straight pipe part is mounted in the mounting groove, the bent pipe part is mounted in the mounting cavity, the bent pipe part is provided with a nozzle, the nozzle is provided with a spraying hole communicated to the bent pipe part, and at least one part of the bent pipe part extends into the adjusting groove to adjust the spraying direction of the nozzle; the second end of the pressure pipe is used for introducing high-pressure liquid, and the nozzle is configured to form liquid jet when the high-pressure liquid is ejected from the nozzle. An operator adjusts the spraying direction of the nozzle by adjusting the position of the bent pipe part of the pressure pipe in the adjusting groove, and the retroreflection angle of the liquid jet flow is accurately controlled to meet the excision requirements of different part tissues.

Description

technical field [0001] The invention relates to the technical field of medical instruments, in particular to a medical water jet instrument. Background technique [0002] In the prior art, some surgical instruments for forming liquid jets impinge on the surgical site with high-speed jets of liquid to resect tissue. These liquid jet surgical instruments usually include pumps for pressurizing the liquid, such as isotonic Saline or other physiologically compatible fluids. The pressurized fluid is delivered, for example through a flexible conduit, to a grip having a handle region and a distal end configured as an end for performing a surgical or medical procedure on a patient. Typically, the distal end of the surgical instrument includes a pressurizable pressure tube and a fixed housing for fixing the shape or profile of the pressure tube. The pressure tube is provided with a nozzle and an inner cavity for delivering high-pressure liquid through which The nozzle flows out to f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/3203
CPCA61B17/3203A61B17/320016A61B2017/32032
Inventor 孙光宇吴衍
Owner HUIZHOU HYDRO CARESYS MEDICAL CO LTD
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