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The utility model provides a disposable polypectomy, comprising a handle, ferrule, the outer tube, boosting agency and insulating tube, one end of the outer tube and the ferrule holder, the other end of the boost mechanism connecting the handle is fixedly connected to the booster mechanism, said insulating sleeves provided on the boost mechanism, further comprising an insulating tube fixed to the boost mechanism fasteners, such disposable polyp In addition to the use of the insulating tube removal device itself elastic sliding resistance between the institutions and boost further through the addition of one end of the insulating tube holder firmly fixed, greatly reducing the possibility of co-putt exposed to ensure that the With this disposable polypectomy's security, reduce the risk of burns to the patient or medical staff.

The utility model provides a hot biopsy forceps, comprising a handle, clamp, the outer tube, boosting agency and insulating tube, one end of the outer tube is fixed to the clamp, the other end is connected to the booster mechanism, The handle is fixedly connected to the booster mechanism, said insulating sleeves provided on the boost mechanism, further comprising an insulating tube fixed to the boost mechanism holder, in addition to using this hot biopsy forceps elastic insulating tube itself sliding resistance between the institutions and boost further through the addition of one end of the insulating tube holder firmly fixed, greatly reducing the possibility of co-putt exposed to ensure that the use of such heat biopsy forceps safety, reduce the risk of burns to the patient or medical staff.

The utility model provides a rapid folding balloon catheter device comprising a folding mechanism, PLC controller and for supporting the base of the balloon catheter, said folding mechanism including motors, spindles, four working rod, left support board and the right support plate, the PLC controller via the drive circuit connected to the motor output shaft of the motor is connected to the main shaft through the coupling, the balloon quickly folding device

The utility model provides a centrum expansion balloon catheter. The centrum expansion balloon catheter comprises a balloon assembly, a sheath, a handle assembly and a supporting wire assembly in the axial direction in sequence. The balloon assembly comprises a double-cavity tube, developing marks, a supporting wire and a balloon, wherein the developing marks are arranged in the double-cavity tube, one end of the supporting wire is located in the double-cavity tube, and the other end of the supporting wire and a supporting nut form the supporting wire assembly, one end, connected with the supporting nut in a threaded mode, of the supporting wire is flat,

The utility model relates to a biaxially double-lumen balloon catheter comprising an outer tube, core tube, a balloon and a handle assembly, one end of the handle assembly of the outer tube connecting the other end of the outer tube and the proximal end of the balloon sealed connection ; core tube penetrates the outer tube, one end of the core tube connecting the handle assembly is connected, the other end of the core tube extending outer tube, and the distal end of the outer wall of the core tube and balloon sealingly connected; outer tube for connecting the proximal end of the balloon an end to the distal end of the balloon extending forwardly