Disposable endoscope sheath with replaceable protrusion at front end and adjustable endoscope sheath length

Abstract

The invention provides a disposable endoscope sheath with a replaceable protrusion at the front end and an adjustable endoscope sheath length. The disposable endoscope sheath comprises an endoscope sheath body, wherein one end of the endoscope sheath body is connected with a telescopic endoscope bridge, and the other end of the endoscope sheath body is connected with a sheath pipe; the sheath pipe comprises a sight glass cavity and an instrument channel, and the sight glass cavity and the instrument channel are independent from each other; a window is of an arc shape, an inserting groove is formed in the lower portion of the front end of the signal glass cavity, and a stopping platform is arranged behind the inserting groove; the replaceable protrusion is arranged in the inserting groove; a groove and a sealing ring are arranged on the telescopic endoscope bridge, a limiting inserting piece is arranged in the groove, a clamping hole is embedded into the endoscope sheath body, and the limiting inserting piece is clamped by the clamping hole; a pill ring sleeve is arranged on the endoscope sheath body, a zigzag adjusting clamping block is arranged in an inner cavity of the pull ring sleeve, and is used for adjusting a pull ring; a lifting mechanism is arranged in a flange, the lifting mechanism is connected with a pull wire, the pull wire is connected with the pull ring through a connecting block, and the lifting mechanism comprises two flat-strip-shaped panels which are movably connected. The disposable endoscope sheath has the advantages that the structure is simple, the range of adjustment angles of surgical instruments is wide, operation is convenient, and connection is smooth and firm.

Description

technical field [0001] The invention relates to the field of medical instruments, in particular to a disposable endoscope sheath with a replaceable front end protrusion and an adjustable sheath length. Background technique [0002] In the medical field, such as urology, when performing inspections or minimally invasive operations on relevant parts of the human body, not only endoscopes are often used, but some surgical instruments may also need to enter the human body at the same time to cooperate with the endoscope to complete the corresponding diagnosis or treatment. , therefore need a kind of mirror sheath that can hold endoscope and surgical instrument simultaneously. In addition, in the past, some endoscope accessories that helped endoscopes and instruments enter the human body were mostly made of stainless steel, which can be repeatedly sterilized and used in combination. , scissors and other surgical instruments, but also pre-loaded instrument manipulator in the mirr...

AI Technical Summary

Problems solved by technology

[0004] The problem to be solved by the present invention is to provide a disposable endoscope sheath with a replaceable front end protrusion and adjustable sheath length, which solves the problem that the front end protrusion of the sheath tube is fixed and cannot be used according to its own Use requires selection of a suitable angle, high protrusion, and the fixed shape of the mirror bridge, which cannot be adjusted by telescopic adjustment.

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