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Disposable puncture outfit

A puncture device, a disposable technology, applied in the field of medical equipment, can solve the problems of inability to seal gas, leakage, etc., to achieve the effect of avoiding gas leakage and overcoming gas leakage

Active Publication Date: 2013-06-05
ANHUI AOFO MEDICAL EQUIP TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a disposable puncture device to overcome the defect that the gas in the abdominal cavity is leaked due to the inability of the sealing member of the existing casing to be airtight.

Method used

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  • Disposable puncture outfit

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Embodiment Construction

[0014] Such as figure 1 As shown, the disposable piercer includes a housing 5 for placing the sealing assembly, the right end of the housing 5 is provided with a piercing shell 8, and the outer surface of the piercing shell 8 is provided with a convex helical pattern. The helical pattern is arranged along the axial length of the puncture shell 8, and the puncture shell 8 is connected with the shell 5 by fast thread compression sealing ring, and a three-lobed seal 6 is arranged inside the right half of the shell 5, three The petal seal 6 has an axial through hole, the left end of the three petal seal 6 has a stepped flange, and there is a circle of tenons on the right end of the flange of the three petal seal 6, and the shell 5 There is a ring of tenons on the inner surface of the right half to cooperate with the three-petal seal 6, and a positioning sleeve 4 is arranged in the left shell of the three-petal seal 6, and the right end of the positioning sleeve 4 is in contact wit...

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Abstract

The invention relates to a disposable puncture outfit, which comprises a casing (5) for accommodating a sealing assembly, wherein a puncture casing (8) is arranged at the right end of the casing (5); and one puncturing lever (7) extends into from the left end of the casing (5), penetrates through the sealing assembly in the casing (5) and reaches the inside of the puncture casing (8). The disposable puncture outfit is characterized in that a three-clack sealing member (6) is arranged inside the right half part of the casing (5); a positioning sleeve (4) is arranged in the casing (5) at the left side of the three-clack sealing member (6); a spherical sealing member (3) is arranged in the casing (5) at the left side of the positioning sleeve (4); a spherical sealing seat (2) is arranged at a port at the left end of the casing (5) and is matched with the spherical sealing member (3); and the spherical sealing seat (2) is provided with an axially-penetrated through hole. The invention hasthe beneficial effects that the spherical elastic sealing member in the spherical sealing seat can be used for effectively preventing the deformation to the sealing member caused by the puncturing lever in the motion process and ensuring that the puncturing lever can be used for playing a role of sealing when the puncturing lever does relative rotation and axial motion; and particularly when the puncturing lever is taken out, the three-clack sealing member can be used for effectively closing, thereby the leakage of gas in an abdominal cavity caused by rotating or taking out of a surgical instrument is effectively avoided.

Description

technical field [0001] The invention relates to a medical device, in particular to a disposable trocar. Background technique [0002] In the current laparoscopic surgery, the doctor uses a puncture device to puncture the patient's abdomen, then takes out the puncture needle of the puncture device, injects carbon dioxide into the abdominal cavity through the pneumoperitoneum interface of the puncture device, establishes a pneumoperitoneum, inserts a laparoscope, and then the doctor can Laparoscopic surgery is performed under the supervision of a laparoscope. [0003] At present, the puncture device includes a housing with a sealing assembly. The first end of the housing is provided with a puncture shell, and a puncture needle is inserted from the second end of the housing through the sealing assembly into the puncture shell. The air intake pipe is provided with a through hole on the shell and the fixed ring so that the air intake pipe communicates with the puncture shell in ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B17/34
Inventor 单亚苗长胜杨志元刘建霞
Owner ANHUI AOFO MEDICAL EQUIP TECH
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