Air passage control system of tee joint vacuum valve in use for stone crusher of ballistic curve

A gas circuit control and vacuum valve technology, which is applied in the field of medical equipment, can solve the problems that it is difficult to adapt to the operation needs of a high-speed stone crushing system, the structure of the gas control valve system is unreasonable, and the impact action of a handle probe is unstable, and the structure is simple. , The effect of stable impact action and large impact energy

Inactive Publication Date: 2007-08-01
HANGZHOU HAWK OPTICAL ELECTRONICS INSTR CO LTD
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AI Technical Summary

Problems solved by technology

[0004] The present invention mainly solves the technical problems in the prior art that the structure of the gas control valve system of the ballistic rock crusher is unreasonable, the impact action of the handle probe is unstable, and it is difficult to adapt to the operation needs of the high-speed rock crushing system.

Method used

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  • Air passage control system of tee joint vacuum valve in use for stone crusher of ballistic curve
  • Air passage control system of tee joint vacuum valve in use for stone crusher of ballistic curve

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Embodiment

[0013] Embodiment: The rock crushing system is composed of a handle 17 and a three-way vacuum valve assembly 16, which is connected to a high-pressure air pump, see FIG. 1.

[0014] In the handle 17 of the lithotripsy system, the protective tube 3 has a ballistic 4, the front end of the ballistic 4 is provided with a probe assembly 1, and the ballistic cavity 13 is provided with a projectile 6, and an air interlayer 14 is formed between the protective tube 3 and the ballistic 4. The trajectory 4 and the air interlayer 14 are communicated through the small holes 12 on the ballistic wall. The air interlayer 14 is sealed from the outside. The front end of the protective tube 3 is set on the front seat 2, and the rear end of the protective tube 3 is set on the rear seat 5. There are sealing rings at the connection between the front seat and the rear seat.

[0015] The three-way vacuum valve assembly 16 is used to control the movement of the projectile 6, and its structure includes a v...

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Abstract

An air channel controlling system of three-way vacuum valve for the ballistic lithotriptor is composed of a handset module, three-way vacuum valve module consisting of the valve body with 4 air channels and the valve core with 3 air channels, the connecting flexible tube and high-pressure air pump. It has high successful rate and safety.

Description

Technical field [0001] The invention relates to a medical device for crushing stones, in particular to a three-way vacuum valve gas path control system for a ballistic stone crusher. Background technique [0002] In the treatment of calculi in the human organs, there are usually two types of external lithotripsy and internal lithotripsy. Extracorporeal lithotripsy includes laser shock wave lithotripsy and ultrasonic lithotripsy. This type of lithotripsy system has poor pertinence to diseased tissues, and human organs are also damaged by shock waves or lasers, and the treatment effect is not good; now it is widely used The body lithotripsy system, including mechanical type, and laser type. The mechanical lithotripsy treatment system uses the change of gas pressure to push the handle probe to directly act on the stone part, and promote the decomposition of the stone before being discharged from the body. For example, a patent with publication number 2173593 discloses a mechanical i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B17/22A61B17/225
Inventor 王华林
Owner HANGZHOU HAWK OPTICAL ELECTRONICS INSTR CO LTD
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