Inner and outer sheath tube assembly of prostate resectoscope

Abstract

The utility model relates to the technical field of medical instruments, and provides an inner and outer sheath tube assembly of a prostate resectoscope, which comprises an outer sheath tube body, a first connecting assembly is arranged on one side of the outer sheath tube body and used for connecting the outer sheath tube body, a water outlet valve is arranged on one side of the first connecting assembly, and a water outlet valve is arranged on the other side of the first connecting assembly. An inner sheath tube is arranged in the outer sheath tube body, a second connecting assembly is arranged at one end of the inner sheath tube and used for being connected with the inner sheath tube, a water inlet valve is arranged at one end of the second connecting assembly, and a fixing assembly is arranged at one end of the water outlet valve and used for fixing the water outlet valve. The first connecting assembly comprises a first threaded seat connected to the outer wall of one end of the water outlet valve in a clamped mode, one end of the first threaded seat is fixedly connected with a first clamping tube, and the first clamping tube is connected with the inner wall of the outer sheath tube body in a clamped mode. And therefore, bacteria breeding in the device is avoided, and the safety of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field, specifically, relate to a kind of inner and outer sheath tube subassemblies of prostatic resectoscope. BACKGROUND

[0002] Prostate electroresection is with the progress of resectoscope manufacturing technology, various cutting sharp effective, coagulation hemostasis rapid and reliable, flushing system ideal resectoscope successively appear and rise a kind of new operation.

[0003] Through the search, the existing patent (announcement number: CN209827006U) discloses an inner and outer sheath tube subassembly of prostatic resectoscope, which comprises an outer sheath tube, a water outlet valve seat arranged on the outer sheath tube, an inner sheath tube inserted into the outer sheath tube, a water inlet valve seat arranged on the inner sheath tube, and a connecting sleeve. One end of the connecting sleeve is threadedly connected with the water outlet valve seat, and the other end is detachably connected with the water inlet valve seat. The utility model provides an inner and outer sheath tube subassembly of prostatic resectoscope, which connects one end of the connecting sleeve with the water outlet valve seat by thread, and the other end is detachably connected with the water inlet valve seat. When cleaning, the water outlet valve seat and the connecting sleeve can be separated, so that the water outlet valve seat can be thoroughly cleaned, and dirt residues can be avoided on the water outlet valve seat. Moreover, by reasonably arranging the connecting sleeve, the disassembly and assembly between the connecting sleeve and the water inlet valve seat are facilitated. However, the inner and outer sheath structure of the device is fixed and not easy to clean. After use, there is a lot of liquid residue between the inner and outer sheaths, which may cause bacterial growth and affect subsequent surgery. UTILITY MODEL CONTENTS

[0004] The utility model provides an inner and outer sheath tube subassembly of prostatic resectoscope, which solves the problem of liquid residue between the inner and outer sheaths after use, which may cause bacterial growth and affect subsequent surgery.

[0005] The technical scheme of the utility model is as follows: an inner and outer sheath tube subassembly of prostatic resectoscope, comprising: an outer sheath tube body, a first connecting assembly is arranged on one side of the outer sheath tube body for connecting the outer sheath tube body, a water outlet valve is arranged on one side of the first connecting assembly, an inner sheath tube is arranged in the outer sheath tube body, a second connecting assembly is arranged on one end of the inner sheath tube for connecting the inner sheath tube, a water inlet valve is arranged on one end of the second connecting assembly, and a fixing assembly is arranged on one end of the water outlet valve for fixing the water outlet valve.

[0006] The first connecting assembly comprises a first threaded seat which is clamped to the outer wall of one end of the water outlet valve, one end of the first threaded seat is fixedly connected with a first clamping pipe, the first clamping pipe is clamped to the inner wall of the outer sheath pipe body, the other end of the first clamping pipe is bonded with a first sealing ring, the outer side of the first clamping pipe is provided with a plurality of first clamping rods, the plurality of first clamping rods are annularly arranged on the outer side of the first clamping pipe, the plurality of first clamping rods are fixedly connected with the first threaded seat, and the plurality of first clamping rods are clamped to the inner wall of the outer sheath pipe body.

[0007] Preferably, the first connecting assembly further comprises a first threaded sleeve which is screwed to the outer wall of the outer sheath pipe body, and the other end of the first threaded sleeve is screwed to the outer wall of the first threaded seat.

[0008] Preferably, the second connecting assembly comprises a second threaded seat which is fixedly connected to the outer wall of one end of the water inlet valve, and one end of the second threaded seat is fixedly connected with a second clamping pipe.

[0009] Preferably, the second connecting assembly further comprises a second sealing ring which is bonded to the outer wall of the other end of the second clamping pipe, and the second clamping pipe is clamped to the inner wall of the inner sheath pipe.

[0010] Preferably, the second connecting assembly further comprises a plurality of second clamping rods which are arranged on the outer wall of the second clamping pipe, the plurality of second clamping rods are annularly arranged on the outer wall of the second clamping pipe, and the other end of the plurality of second clamping rods is clamped to the inner wall of the second threaded seat.

[0011] Preferably, the second connecting assembly further comprises a second threaded sleeve which is screwed to the outer wall of one end of the inner sheath pipe, and the other end of the second threaded sleeve is screwed to the outer wall of the second threaded seat.

[0012] Preferably, the fixing assembly comprises a connecting seat which is fixedly connected to the outer wall of the other end of the water outlet valve, and the outer wall of the connecting seat is screwed with a third threaded sleeve.

[0013] Preferably, the fixing assembly further comprises a plurality of third clamping rods which are fixedly connected to the outer wall of the other end of the third threaded sleeve, the plurality of third clamping rods are annularly arranged on the outer wall of the other end of the third threaded sleeve, the outer wall of the water inlet valve is fixedly connected with a clamping seat, the clamping seat is clamped to the inner wall of the connecting seat, and the plurality of third clamping rods are clamped to the inner wall of the water inlet valve.

[0014] The working principle and beneficial effects of the utility model are as follows:

[0015] The utility model discloses a first threaded sleeve and outer sheath body are separated, and first clamping rod and outer sheath body are separated, and then first threaded sleeve and outer sheath body are separated, thereby taking down outer sheath body, and then second clamping pipe and inner sheath pipe are separated, and second clamping rod and the inner wall of inner sheath pipe are separated, and then second threaded sleeve and inner sheath pipe are separated, thereby taking down inner sheath pipe, and the device is used conveniently, and after finishing, outer sheath body and inner sheath pipe are taken down and are cleaned, thereby avoiding liquid residue on outer sheath body and inner sheath pipe, thereby avoiding bacterial breeding, thereby the cleanliness of the device, and further improve the security of the device. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model will be described in further detail below in combination with the drawings and specific embodiment.

[0017] Figure 1 It is the front view structure schematic drawing that the utility model proposes;

[0018] Figure 2 It is the front view structure schematic drawing that the utility model proposes;

[0019] Figure 3 It is the first connecting assembly structure schematic drawing that the utility model proposes;

[0020] Figure 4 It is the fixed assembly structure schematic drawing that the utility model proposes;

[0021] Figure 5 It is the second connecting assembly structure schematic drawing that the utility model proposes;

[0022] In the drawing: 1, outer sheath body;2, first connecting assembly;201, first clamping pipe;202, first sealing ring;203, first clamping rod;204, first threaded sleeve;205, first threaded seat;3, water outlet valve;4, inner sheath pipe;5, second connecting assembly;501, second clamping pipe;502, second sealing ring;503, second clamping rod;504, second threaded sleeve;505, second threaded seat;6, fixed assembly;601, third threaded sleeve;602, third clamping rod;603, connecting seat;604, clamping seat;7, water inlet valve. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor are involved in the protection scope of the utility model.

[0024] The embodiment of the application discloses an inner and outer sheath assembly of a prostate resection mirror. Figures 1-4 The inner and outer sheath assembly of the prostate resection mirror comprises an outer sheath body 1, a first connecting assembly 2 arranged on one side of the outer sheath body 1 and used for connecting the outer sheath body 1, a water outlet valve 3 arranged on one side of the first connecting assembly 2, an inner sheath 4 arranged in the outer sheath body 1, a second connecting assembly 5 arranged at one end of the inner sheath 4 and used for connecting the inner sheath 4, a water inlet valve 7 arranged at one end of the second connecting assembly 5, a fixing assembly 6 arranged at one end of the water outlet valve 3 and used for fixing the water outlet valve 3, and the first connecting assembly 2 comprises a first threaded seat 205 clamped and connected to the outer wall of one end of the water outlet valve 3, a first clamping pipe 201 fixedly connected to one end of the first threaded seat 205, the first clamping pipe 201 being clamped and connected to the inner wall of the outer sheath body 1, a first sealing ring 202 bonded to the other end of the first clamping pipe 201, the first sealing ring 202 sealing the connection position of the first clamping pipe 201 and the inner wall of the outer sheath body 1, so that liquid can enter the inner side of the outer sheath body 1, a plurality of first clamping rods 203 arranged on the outer side of the first clamping pipe 201, the plurality of first clamping rods 203 being annularly arranged on the outer side of the first clamping pipe 201, the plurality of first clamping rods 203 being fixedly connected to the first threaded seat 205, and the plurality of first clamping rods 203 being clamped and connected to the inner wall of the outer sheath body 1, a plurality of first clamping holes being arranged in the inner wall of one end of the outer sheath body 1, the first clamping holes being clamped and fixed to the outer wall of the first clamping rods 203, and the first connecting assembly 2 further comprises a first threaded sleeve 204 threadedly connected to the outer wall of the outer sheath body 1, the other end of the first threaded sleeve 204 being threadedly connected to the outer wall of the first threaded seat 205, when the outer sheath body 1 needs to be detached, the outer sheath body 1 is separated from the second clamping pipe 501, the second clamping rods 503 are separated from the first clamping holes in the inner side of the outer sheath body 1, the first threaded sleeve 204 is separated from the first threaded seat 205, and then the first threaded sleeve 204 is separated from the outer sheath body 1, so that the outer sheath body 1 is detached.

[0025] Please refer to Figures 3-5The second connecting assembly 5 comprises a second threaded seat 505 fixedly connected to the outer wall of one end of the water inlet valve 7, one end of the second threaded seat 505 is fixedly connected with a second clamping pipe 501, the second connecting assembly 5 further comprises a second sealing ring 502 adhered to the outer wall of the other end of the second clamping pipe 501, the second sealing ring 502 seals the connection between the second clamping pipe 501 and the inner wall of the inner sheath pipe 4, so as to facilitate the liquid to enter the inside of the inner sheath pipe 4, the second clamping pipe 501 is clamped and connected with the inner wall of the inner sheath pipe 4, the second connecting assembly 5 further comprises a plurality of second clamping rods 503 arranged on the outer wall of the second clamping pipe 501, the plurality of second clamping rods 503 are annularly arranged on the outer wall of the second clamping pipe 501, the other end of the plurality of second clamping rods 503 is clamped and connected with the inner wall of the second threaded seat 505, the inner wall of the inner sheath pipe 4 is provided with a plurality of second clamping holes, the second clamping holes are clamped and connected with the outer wall of the second clamping rods 503, the second connecting assembly 5 further comprises a second threaded sleeve 504 threadedly connected to the outer wall of one end of the inner sheath pipe 4, the other end of the second threaded sleeve 504 is threadedly connected with the outer wall of the second threaded seat 505, when it is needed to disassemble the inner sheath pipe 4, the outer wall of the inner sheath pipe 4 is separated from the second clamping pipe 501, at the same time, the second clamping rods 503 are separated from the second clamping holes in the inner sheath pipe 4, at the same time, the second threaded sleeve 504 is separated from the second threaded seat 505, then the second threaded sleeve 504 is separated from the inner sheath pipe 4, so as to take down the inner sheath pipe 4.

[0026] Please refer to Figure 4 and Figure 5 The fixing assembly 6 comprises a connecting seat 603 fixedly connected to the outer wall of the other end of the water outlet valve 3, the inner wall of the connecting seat 603 is provided with a clamping groove, the clamping groove is clamped and connected with the outer wall of the clamping seat 604, the outer wall of the connecting seat 603 is threadedly connected with a third threaded sleeve 601, the fixing assembly 6 further comprises a plurality of third clamping rods 602 fixedly connected to the outer wall of the other end of the third threaded sleeve 601, the plurality of third clamping rods 602 are annularly arranged on the outer wall of the other end of the third threaded sleeve 601, the outer wall of the water inlet valve 7 is fixedly connected with the clamping seat 604, the inner wall of one end of the water inlet valve 7 is provided with a plurality of third clamping holes, the third clamping holes are clamped and fixed with the outer wall of the third clamping rods 602, the clamping seat 604 is clamped and connected with the inner wall of the connecting seat 603, the plurality of third clamping rods 602 are clamped and connected with the inner wall of the water inlet valve 7, the third threaded sleeve 601 is threadedly fixed with the connecting seat 603, then the third clamping rods 602 on the other end of the third threaded sleeve 601 are clamped and fixed with the third clamping holes in the inner side of the water inlet valve 7, at the same time, the clamping seat 604 is clamped and fixed with the clamping groove in the inner side of the connecting seat 603, so as to fixedly connect the outer sheath pipe body 1 and the inner sheath pipe 4 together.

[0027] Working principle and use process: first, the outer sheath tube body 1 and the inner wall of the first threaded sleeve 204 are fixed by screwing, then the outer sheath tube body 1 is aligned with the outer wall of the first clamping pipe 201, the outer sheath tube body 1 and the outer wall of the first clamping pipe 201 are fixed by clamping, at the same time, the first clamping rod 203 outside the first clamping pipe 201 is inserted into the inner wall of the outer sheath tube body 1, at the same time, the other end of the first threaded sleeve 204 is fixed with the outer wall of the first threaded seat 205 by clamping, then the connecting seat 603 at one end of the water outlet valve 3 is fixed with the inner wall of the third threaded sleeve 601 by screwing, the inner sheath tube 4 is fixed with the inner wall of the second threaded sleeve 504 by screwing, then the inner sheath tube 4 is aligned with the outer wall of the second clamping pipe 501, the inner sheath tube 4 and the outer wall of the second clamping pipe 501 are fixed by clamping, at the same time, the second clamping rod 503 outside the second clamping pipe 501 is inserted into the inner wall of the inner sheath tube 4, at the same time, the other end of the second threaded sleeve 504 is fixed with the outer wall of the second threaded seat 505 by clamping, then the inner sheath tube 4 is put into the connecting seat 603, when the inner sheath tube 4 is put into the outer sheath tube body 1, the clamping seat 604 at one end of the water inlet valve 7 is fixed with the inner wall of the connecting seat 603 by clamping, at the same time, the third clamping rod 602 at one end of the connecting seat 603 is fixed with the inner wall of the water inlet valve 7 by clamping.

[0028] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A sheath assembly for a resectoscope, comprising: The outer sheath body (1) is characterized in that one side of the outer sheath body (1) is provided with a first connecting assembly (2) for connecting the outer sheath body (1), one side of the first connecting assembly (2) is provided with a water outlet valve (3), the inside of the outer sheath body (1) is provided with an inner sheath (4), one end of the inner sheath (4) is provided with a second connecting assembly (5) for connecting the inner sheath (4), one end of the second connecting assembly (5) is provided with a water inlet valve (7), one end of the water outlet valve (3) is provided with a fixing assembly (6) for fixing the water outlet valve (3); The first connecting assembly (2) comprises a first threaded seat (205) clamped and connected to the outer wall of one end of the water outlet valve (3), one end of the first threaded seat (205) is fixedly connected with a first clamping pipe (201), the first clamping pipe (201) is clamped and connected with the inner wall of the outer sheath body (1), the other end of the first clamping pipe (201) is bonded with a first sealing ring (202), the outer side of the first clamping pipe (201) is provided with a plurality of first clamping rods (203), a plurality of the first clamping rods (203) are annularly arranged on the outer side of the first clamping pipe (201), a plurality of the first clamping rods (203) are fixedly connected with the first threaded seat (205), and a plurality of the first clamping rods (203) are clamped and connected with the inner wall of the outer sheath body (1).

2. The inner and outer sheath assembly of claim 1, wherein, The first connecting assembly (2) further comprises a first threaded sleeve (204) threadedly connected to the outer wall of the outer sheath body (1), and the other end of the first threaded sleeve (204) is threadedly connected with the outer wall of the first threaded seat (205).

3. The inner and outer sheath assembly of claim 2 wherein, The second connecting assembly (5) comprises a second threaded seat (505) fixedly connected to the outer wall of one end of the water inlet valve (7).

4. The inner and outer sheath assembly of claim 3 wherein, The second connecting assembly (5) further comprises a second sealing ring (502) bonded to the outer wall of the other end of the second clamping pipe (501), and the second clamping pipe (501) is clamped and connected with the inner wall of the inner sheath (4).

5. The inner and outer sheath assembly of claim 4 wherein, The second connecting assembly (5) further comprises a plurality of second clamping rods (503) arranged on the outer wall of the second clamping pipe (501), a plurality of the second clamping rods (503) are annularly arranged on the outer wall of the second clamping pipe (501), and the other ends of a plurality of the second clamping rods (503) are clamped and connected with the inner wall of the second threaded seat (505).

6. The inner and outer sheath assembly of claim 5 wherein, The second connecting assembly (5) further comprises a second threaded sleeve (504) threadedly connected to the outer wall of one end of the inner sheath (4), and the other end of the second threaded sleeve (504) is threadedly connected with the outer wall of the second threaded seat (505).

7. The inner and outer sheath assembly of claim 1 wherein, The fixing assembly (6) comprises a connecting seat (603) fixedly connected to the outer wall of the other end of the water outlet valve (3), and a third threaded sleeve (601) is threadedly connected with the outer wall of the connecting seat (603).

8. The inner and outer sheath assembly of claim 7 wherein, The fixed assembly (6) further comprises a plurality of third clamping rods (602) fixedly connected to the outer wall of the other end of the third threaded sleeve (601), the plurality of third clamping rods (602) are annularly arranged on the outer wall of the other end of the third threaded sleeve (601), the outer wall of the water inlet valve (7) is fixedly connected with a clamping seat (604), the clamping seat (604) is clamped and connected with the inner wall of the connecting seat (603), and the plurality of third clamping rods (602) are clamped and connected with the inner wall of the water inlet valve (7).

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