Channel sealing valve, channel sealing mechanism and all-round hysteroscope

The invention discloses a channel sealing valve, a channel sealing mechanism and an all-round hysteroscope, and the channel sealing valve comprises a first sealing part which is provided with a first opening; a second sealing piece is provided, the first sealing piece and the second sealing piece ar...

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Bibliographic Details
Main Authors ZHU LAN, WANG CHENFENG, GONG XIAOMING, HAO JINZHENG, YANG XIANG
Format Patent
LanguageChinese
English
Published 16.04.2021
Subjects
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Summary:The invention discloses a channel sealing valve, a channel sealing mechanism and an all-round hysteroscope, and the channel sealing valve comprises a first sealing part which is provided with a first opening; a second sealing piece is provided, the first sealing piece and the second sealing piece are arranged in a laminated mode, the position, corresponding to the first opening, of the second sealing piece protrudes in the direction away from the first sealing piece to form a protruding part, and a buffer cavity is formed between the protruding part of the second sealing piece and the first sealing piece; and the second protruding part is provided with a second opening. According to the channel sealing mechanism of the all-round hysteroscope, flowing-out of liquid in the working pipeline can be well reduced when the working instrument penetrates through the channel sealing mechanism, the working instrument is replaced and the working instrument is in a missing state, and the pressure of the liquid in the work
Bibliography:Application Number: CN202011496850