Single-hole multichannel rotatable operating device of laparoscope

The invention discloses a single-hole multichannel rotatable operating device of a laparoscope. The single-hole multichannel rotatable operating device comprises an expansion cylinder and is characterized in that a surgery channel is formed in the middle of the expansion cylinder, the front portion...

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Bibliographic Details
Main Authors LIN LI, ZHANG HONGYU, LIANG YONGCAI
Format Patent
LanguageChinese
English
Published 07.11.2017
Subjects
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Summary:The invention discloses a single-hole multichannel rotatable operating device of a laparoscope. The single-hole multichannel rotatable operating device comprises an expansion cylinder and is characterized in that a surgery channel is formed in the middle of the expansion cylinder, the front portion of the expansion cylinder is small, the rear portion of the expansion cylinder is large, the external circle of the expansion cylinder is in arc-shaped transition from front to rear, the front end of the external circle of the expansion cylinder is provided with clamping lugs used for preventing the retreating of the expansion cylinder, and the upper end of the external circle of the expansion cylinder is provided with a fixing lug which is sewn with the skin of a patient to fix expansion cylinder to the patient; the top of the expansion cylinder is provided with an inner cover which can rotate around the peripheral direction of the central axis of the expansion cylinder in a reciprocating manner, and the inner cov
Bibliography:Application Number: CN201710662512