CN212395060U - Normally closed suction flusher for endoscopic surgery - Google Patents

Abstract

The utility model relates to a normally closed suction flusher for endoscopic surgery, wherein an upper cover can rotate relative to a lower cover so as to cover the lower cover or remove the cover; the Y-shaped hose assembly comprises a straight pipe body, a flushing hose and a suction hose, wherein the flushing hose and the suction hose are formed by branching one end of the straight pipe body; the end part of the flushing hose is inserted with a flushing joint, and the end part of the suction hose is inserted with a suction joint; the flushing button assembly is used for controlling the communication and the closing of the flushing hose and the straight pipe body, when the flushing button assembly is in a normal state, the flushing hose and the straight pipe body are normally closed, and when the flushing button assembly is pushed upwards, the flushing hose is communicated with the straight pipe body; the suction button assembly is used for controlling the communication and the closing of the suction hose and the straight pipe body, when the suction button assembly is in a normal state, the suction hose and the straight pipe body are normally closed, and when the suction button assembly is pushed upwards, the suction hose is communicated with the straight pipe body. The Y-shaped hose assembly is convenient to replace in the application, and medical waste is reduced.

Description

Normally closed suction flusher for endoscopic surgery

Technical Field

The utility model relates to the field of medical equipment, specifically say, relate to a normal close formula suction flusher for laparoscopic surgery.

Background

In the laparoscopic surgery operation process, the operation area has blood or remaining other tissues, just need use the suction irrigator to wash and inhale totally to residues such as blood this moment, just can make following operations go on smoothly, and current suction irrigator generally divide into two kinds: the disposable and the flushing and sucking pipe can be replaced; the disposable suction irrigator has the advantages that the flushing and sucking pipe cannot be replaced, and if the flushing and sucking pipe is blocked, a plurality of disposable suction irrigators are required in one operation process, so that the medical cost of a patient is increased, more medical wastes are generated, and the disposable suction irrigator is not environment-friendly; therefore, most hospitals now advocate the use of suction irrigators with replaceable irrigation tubes.

However, the suction flusher with the replaceable flushing and suction pipe in the prior art has the disadvantage that the flushing and suction pipe is not easy to replace due to unreasonable structural design, for example, a handheld button flushing and suction device disclosed in the patent with publication number CN203029800U, in the patent, one channel of a dual-channel interface is fixedly connected with a suction interface by a hose, the other channel is fixedly connected with a flushing interface by a hose, the suction interface and the flushing interface are respectively clamped into the tail part of a handle and are fixed by a rear nut, so that the assembly and disassembly are inconvenient, in addition, the flushing and suction button and the suction button are arranged on the upper side of the handle, and a doctor holds the handle, needs to press the button by a thumb, and is. Therefore, there is a need for an improved and optimized normally closed suction irrigator for laparoscopic surgery.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a structural design reasonable, easy dismounting, be convenient for the doctor grip the normal close formula suction flusher for the laparoscopic surgery of operation to give its use method.

The utility model provides a technical scheme that above-mentioned problem adopted is: a normally closed suction irrigator for endoscopic surgery comprises a handle part consisting of an upper cover and a lower cover, wherein the upper cover and the lower cover are in hinged connection, and the upper cover can rotate relative to the lower cover so as to cover the lower cover or uncover the lower cover; the front end of the handle part is connected with a head connecting seat, and a flushing and sucking pipe is arranged on the head connecting seat; a channel is arranged in the head connecting seat and is communicated with the flushing and sucking pipe; the method is characterized in that: the device also comprises a Y-shaped hose assembly, a flushing button assembly and a suction button assembly; the Y-shaped hose assembly comprises a straight pipe body, and a flushing hose and a suction hose which are formed by branching one end of the straight pipe body; the end part of the flushing hose is inserted with a flushing joint, and the end part of the suction hose is inserted with a suction joint; the Y-shaped hose assembly is arranged in a cavity of the lower cover, the straight pipe body is clamped and arranged at the front end of the cavity of the lower cover, when the upper cover and the lower cover are closed, the end part of the straight pipe body abuts against the head connecting seat, a channel in the head connecting seat is communicated with the straight pipe body, and the flushing joint and the suction joint are clamped and arranged at the tail end of the cavity of the lower cover and are exposed out of the tail end of the cavity of the lower cover; the flushing button assembly and the suction button assembly are arranged on the lower cover; the flushing button assembly is used for controlling the communication and the closing of the flushing hose and the straight pipe body, when the flushing button assembly is in a normal state, the flushing hose and the straight pipe body are normally closed, and when the flushing button assembly is pushed upwards, the flushing hose is communicated with the straight pipe body; the suction button assembly is used for controlling the communication and the closing of the suction hose and the straight pipe body, when the suction button assembly is in a normal state, the suction hose and the straight pipe body are normally closed, and when the suction button assembly is pushed upwards, the suction hose is communicated with the straight pipe body.

Preferably, the upper cover and the lower cover are hinged through a head connecting seat, wherein the front end of the upper cover is hinged with the head connecting seat through a first pin shaft, and the front end of the lower cover is hinged with the head connecting seat through a second pin shaft.

Preferably, the flushing button assembly and the suction button assembly have the same structure and respectively comprise a pressing button, a return spring, an upright post and a transverse hook; the bottom of the lower cover is provided with two stepped grooves which have the same structure and are used for installing a flushing button assembly and a suction button assembly, the stepped grooves are thin in upper part and thick in lower part, the top and the bottom of the stepped grooves are both opened, the pressing type buttons and the reset springs are both arranged on the thick parts of the stepped grooves, the lower ends of the reset springs abut against the pressing type buttons, and the upper ends of the reset springs abut against the step surfaces of the stepped grooves; the upright posts are vertically arranged, the lower ends of the upright posts are connected with the push type buttons, the upper ends of the upright posts penetrate through the stepped grooves and then are connected with the transverse hooks, and the transverse hooks are horizontally arranged; when the return spring is not compressed in a normal state, the vertical column drives the transverse hook to descend to the lowest position, at the moment, the transverse hook in the flushing button assembly hooks and presses down the flattening flushing hose, and the transverse hook in the suction button assembly hooks and presses down the flattening suction hose.

Preferably, the bottom of the press button is provided with a bolt, the bolt is vertically arranged and can rotate, and the upper part of the bolt is in threaded connection with the lower end of the upright post.

Preferably, when the flushing hose or the suction hose is in a normally closed state, the arrangement direction of the transverse hook for hooking and flattening the flushing hose is perpendicular to the length direction of the lower cover, and vertical guide grooves for positioning and guiding the transverse hook are arranged on the inner walls of the two sides of the lower cover.

Preferably, the upper cover and the lower cover are locked through a locking assembly, and the locking assembly comprises a hook which is arranged on the upper cover and can slide back and forth, and a locking clamping groove which is arranged in the cavity of the lower cover and used for clamping the hook; the clamping hook is pushed forwards and clamped into the clamping groove for locking, and the upper cover and the lower cover are locked; the hook is pushed backwards, the hook is separated from the locking clamping groove, and the upper cover and the lower cover are unlocked.

Preferably, the front end part of the straight pipe body is provided with a circle of flange, and the straight pipe body, the flange, the flushing hose and the suction hose are integrally formed by adopting a silica gel material; the front end in the lower cover cavity is provided with a first positioning groove for positioning the straight pipe body, the straight pipe body is installed in the first positioning groove in a clamping mode, and when the upper cover and the lower cover are closed, the end portion of the flange abuts against the head connecting seat.

Preferably, the flushing joint and the suction joint are arranged in parallel and connected together through a fixing plate, and the flushing joint, the suction joint and the fixing plate are integrally formed by adopting a plastic material; a second positioning groove for positioning the fixing plate is formed in the tail end in the lower cover cavity; the flushing connector is provided with a flushing sign symbol, and the suction connector is provided with a suction sign symbol.

Preferably, the upper cover and the lower cover are made of plastics.

The utility model also provides another technical scheme: a use method of a normally closed suction irrigator for endoscopic surgery comprises a Y-shaped hose assembly replacement method: the clamping hook is pushed downwards, the upper cover and the lower cover are unlocked, and the upper cover is opened; pushing the push button upwards until the transverse hook does not hook the flushing hose or the suction hose any more, and then rotating the upright post to enable the transverse hook to avoid the flushing hose or the suction hose and not to be positioned above the flushing hose or the suction hose any more; then, the pressing button is loosened, the Y-shaped hose assembly needing to be replaced is detached, and then a new Y-shaped hose assembly is replaced; firstly, a fixing plate in a new Y-shaped hose assembly is clamped in a second positioning groove, a straight pipe body is clamped in the first positioning groove, then a pressing type button is pushed upwards, a stand column is rotated until the arrangement direction of a transverse hook is perpendicular to the length direction of a lower cover, the transverse hook is positioned right above a flushing hose or an attraction hose at the moment, then the pressing type button is loosened, the stand column drives the transverse hook to descend under the action of a reset spring, the transverse hook hooks and presses downwards to flatten the flushing hose or the attraction hose, the end part of the transverse hook is ensured to be positioned in guide grooves arranged on the inner walls of the two sides of the lower cover when the transverse hook descends in place, the Y-shaped hose assembly is installed, the upper cover is closed, the clamping hook is pushed upwards, and the upper cover and the lower cover are locked.

Compared with the prior art, the utility model, have following advantage and effect:

1. the flushing button assembly and the suction button assembly are arranged below the lower cover, so that the mechanical design of a human body is met, the use by a doctor is convenient and smooth, and labor is saved;

2. the Y-shaped hose assembly is convenient to replace, when the flushing hose or the suction hose is blocked, only the Y-shaped hose assembly needs to be replaced, and the whole suction flusher does not need to be discarded, so that medical waste is reduced, and the medical expense of a patient is reduced;

3. the upper cover and the lower cover are made of plastic materials, so that the weight of the handle part formed by the upper cover and the lower cover is reduced, the handle part is convenient for a doctor to use, and the handle is not easy to fatigue after long-time operation;

4. the straight pipe body, the flange, the flushing hose and the suction hose are made of silica gel materials in an integrated mode, the end portion of the flange is abutted to the head connecting seat, the contact area of the straight pipe body and the head connecting seat is increased, and liquid leakage is avoided.

Drawings

In order to illustrate the embodiments of the present invention or the solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic front view structure diagram of an embodiment of the present invention.

Fig. 2 is a schematic top view (with the upper cover removed) of the embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a Y-shaped hose assembly according to an embodiment of the present invention.

Fig. 4 is a schematic top view of the lower cover in the embodiment of the present invention.

Fig. 5 is a schematic sectional view along the direction C-C in fig. 4.

FIG. 6 is a schematic sectional view along line B-B in FIG. 1.

Description of reference numerals: a handle portion A;

an upper cover 1; a lower cover 2; a head connecting seat 3; a channel 31; a suction pipe 4; a Y-shaped hose assembly 5; a flush button assembly 6; an attraction button assembly 7; a first pin shaft 8; a second pin shaft 9; a push button 10; a return spring 11; a column 12; a horizontal hook 13; a stepped groove 14; a bolt 15; a guide groove 16; a hook 17; a locking card slot 18; the first positioning groove 19; a fixed plate 20; a second positioning groove 21;

a straight pipe body 51; the flanges 511; a flushing hose 52; a suction hose 53; a flush fitting 54; a suction joint 55; flushing flag symbol 541; attracting the landmark 551.

Detailed Description

The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.

Examples are given.

See fig. 1-6.

The embodiment discloses a normally closed suction irrigator for endoscopic surgery, which comprises a handle part A consisting of an upper cover 1 and a lower cover 2, a Y-shaped hose assembly 5, an irrigation button assembly 6 and a suction button assembly 7. The upper cover 1 and the lower cover 2 are made of plastic, so that the weight of the handle part A formed by the upper cover 1 and the lower cover is reduced, the use by a doctor is convenient, and the long-time operation is not easy to fatigue. The upper cover 1 and the lower cover 2 are hinged, and the upper cover 1 can rotate relative to the lower cover 2 so as to cover the lower cover 2 or remove the cover; the front end of the handle part A is connected with a head connecting seat 3, and a flushing and sucking pipe 4 is arranged on the head connecting seat 3; the head connecting seat 3 is internally provided with a channel 31, and the channel 31 is communicated with the flushing and sucking pipe 4. Specifically, the upper cover 1 and the lower cover 2 are hinged to each other through a head connecting seat 3, wherein the front end of the upper cover 1 is hinged to the head connecting seat 3 through a first pin 8, and the front end of the lower cover 2 is hinged to the head connecting seat 3 through a second pin 9.

In the present embodiment, the Y-shaped hose assembly 5 includes a straight pipe body 51, and a flushing hose 52 and a suction hose 53 formed by branching one end of the straight pipe body 51; a flush joint 54 is inserted into an end of the flush hose 52, and a suction joint 55 is inserted into an end of the suction hose 53. The Y-shaped hose assembly 5 is arranged in the cavity of the lower cover 2, wherein the straight pipe body 51 is clamped and arranged at the front end of the cavity of the lower cover 2, when the upper cover 1 and the lower cover 2 are closed, the end part of the straight pipe body 51 is abutted against the head connecting seat 3, the channel 31 inside the head connecting seat 3 is communicated with the straight pipe body 51, and the flushing joint 54 and the suction joint 55 are clamped and arranged at the tail end of the cavity of the lower cover 2 and exposed from the tail end of the cavity of the lower cover 2.

In this embodiment, a circle of flange 511 is disposed at the front end of the straight tube body 51, and the straight tube body 51, the flange 511, the flushing hose 52 and the suction hose 53 are integrally formed by using a silicone material; the front end in the cavity of the lower cover 2 is provided with a first positioning groove 19 for positioning the straight pipe body 51, the straight pipe body 51 is installed in the first positioning groove 19 in a clamping manner, and when the upper cover 1 and the lower cover 2 are closed, the end part of the flange 511 abuts against the head connecting seat 3. The end of the flange 511 abuts against the head connecting seat 3, so that the contact area between the straight pipe body 51 and the head connecting seat 3 is increased, and liquid leakage is avoided.

In this embodiment, the flushing connector 54 and the suction connector 55 are arranged in parallel and connected together through a fixing plate 20, and the flushing connector 54, the suction connector 55 and the fixing plate 20 are integrally formed by plastic materials; a second positioning groove 21 for positioning the fixing plate 20 is arranged at the tail end in the cavity of the lower cover 2; the flushing adapter 54 is provided with a flushing marker 541, and the suction adapter 55 is provided with a suction marker 551.

In this embodiment, the flush button assembly 6 and the suction button assembly 7 are mounted on the lower cover 2; the flushing button assembly 6 is used for controlling the communication and the closing of the flushing hose 52 and the straight pipe body 51, when the flushing button assembly 6 is in a normal state, the flushing hose 52 and the straight pipe body 51 are normally closed, and when the flushing button assembly 6 is pushed upwards, the flushing hose 52 is communicated with the straight pipe body 51. The suction button assembly 7 is used for controlling the communication and closing of the suction hose 53 and the straight pipe body 51, when the suction button assembly 7 is in a normal state, the suction hose 53 and the straight pipe body 51 are normally closed, and when the suction button assembly 7 is pushed upwards, the suction hose 53 is communicated with the straight pipe body 51.

In this embodiment, the flushing button assembly 6 and the suction button assembly 7 are identical in structure, and each includes a push button 10, a return spring 11, a pillar 12, and a hook 13. The bottom of the lower cover 2 is provided with two stepped grooves 14 which have the same structure and are used for installing the flushing button assembly 6 and the suction button assembly 7, the stepped grooves 14 are thin at the top and thick at the bottom, the top and the bottom are both opened, the push button 10 and the return spring 11 are both arranged on the thick part of the stepped grooves 14, the lower end of the return spring 11 abuts against the push button 10, and the upper end of the return spring 11 abuts against the stepped surface of the stepped grooves 14; the upright post 12 is vertically installed, the lower end of the upright post is connected with the pressing button 10, the upper end of the upright post penetrates out of the stepped groove 14 and then is connected with the transverse hook 13, and the transverse hook 13 is horizontally arranged.

In this embodiment, when the return spring 11 is not compressed in the normal state, the column 12 drives the horizontal hook 13 to descend to the lowest position, and at this time, the horizontal hook 13 in the flushing button assembly 6 hooks and presses down the flushing hose 52, and the horizontal hook 13 in the suction button assembly 7 hooks and presses down the squashing suction hose 53.

In this embodiment, a bolt 15 is installed at the bottom of the pressing button 10, the bolt 15 is vertically installed and can rotate, and the upper portion of the bolt 15 is in threaded connection with the lower end of the upright 12. When the flushing hose 52 or the suction hose 53 is in a normally closed state, the arrangement direction of the transverse hook 13 for hooking and flattening the flushing hose is vertical to the length direction of the lower cover 2, and vertical guide grooves 16 for positioning and guiding the transverse hook 13 are arranged on the inner walls of the two sides of the lower cover 2.

In this embodiment, the upper cover 1 and the lower cover 2 are locked by a locking assembly, which includes a hook 17 mounted on the upper cover 1 and capable of sliding back and forth, and a locking slot 18 disposed inside the cavity of the lower cover 2 and used for locking the hook 17; the hook 17 is pushed forwards, the hook 17 is clamped into the locking clamping groove 18, and the upper cover 1 and the lower cover 2 are locked; the hook 17 is pushed backward, the hook 17 is disengaged from the locking groove 18, and the upper cover 1 and the lower cover 2 are unlocked.

In this embodiment, the use method of the normally closed suction irrigator for endoscopic surgery includes a method for replacing the Y-shaped hose assembly: the hook 17 is pushed downwards, the upper cover 1 and the lower cover 2 are unlocked, and the upper cover 1 is opened; pushing the push button 10 upwards until the horizontal hook 13 no longer hooks the flushing hose 52 or the suction hose 53, and then rotating the upright post 12 to make the horizontal hook 13 avoid the flushing hose 52 or the suction hose 53 and no longer be positioned above the flushing hose 52 or the suction hose 53; the push button 10 is then released, and the Y-hose assembly 5 to be replaced is removed and replaced with a new Y-hose assembly 5.

The method for replacing the new Y-shaped hose assembly 5 comprises the following steps: firstly, a fixing plate 20 in a new Y-shaped hose assembly 5 is clamped into a second positioning groove 21, a straight pipe body 51 is clamped into a first positioning groove 19, then the pressing type button 10 is pushed upwards, the upright post 12 is rotated until the arrangement direction of the transverse hook 13 is perpendicular to the length direction of the lower cover 2, the transverse hook 13 is positioned right above the flushing hose 52 or the suction hose 53 at the moment, then the pressing type button 10 is released, the upright post 12 drives the transverse hook 13 to descend under the action of the return spring 11, the transverse hook 13 hooks and presses downwards the flushing hose 52 or the suction hose 53, when the transverse hook 13 descends to the proper position, the end part of the transverse hook is positioned in a guide groove 16 arranged on the inner walls of two sides of the lower cover 2, and then the Y-shaped hose assembly 5 is installed, the upper cover 1 is closed, the clamping hook 17 is pushed upwards, and the upper cover 1 and the lower cover 2 are locked.

In the embodiment, the flushing button assembly 6 and the suction button assembly 7 are arranged below the lower cover, so that the design of human mechanics is met, the use of a doctor is convenient and smooth, and labor is saved; the Y-shaped hose assembly 5 is convenient to replace, when the flushing hose 52 or the suction hose 53 is blocked, only the Y-shaped hose assembly 5 needs to be replaced, the whole suction flusher does not need to be discarded, and therefore medical waste is reduced, and medical expenses of patients are reduced.

Although the present invention has been described with reference to the above embodiments, it should not be construed as being limited to the scope of the present invention, and any modifications and alterations made by those skilled in the art without departing from the spirit and scope of the present invention should fall within the scope of the present invention.

Claims (9)

1. A normally closed suction flusher for endoscopic surgery comprises a handle part (A) consisting of an upper cover (1) and a lower cover (2), wherein the upper cover (1) and the lower cover (2) are hinged, and the upper cover (1) can rotate relative to the lower cover (2) to cover the lower cover (2) or remove the cover; the front end of the handle part (A) is connected with a head connecting seat (3), and a flushing and sucking pipe (4) is installed on the head connecting seat (3); a channel (31) is arranged in the head connecting seat (3), and the channel (31) is communicated with the flushing and sucking pipe (4); the method is characterized in that: the device also comprises a Y-shaped hose assembly (5), a flushing button assembly (6) and a suction button assembly (7); the Y-shaped hose assembly (5) comprises a straight pipe body (51), and a flushing hose (52) and a suction hose (53) which are formed by branching one end of the straight pipe body (51); a flushing joint (54) is inserted into the end part of the flushing hose (52), and a suction joint (55) is inserted into the end part of the suction hose (53); the Y-shaped hose assembly (5) is arranged in a cavity of the lower cover (2), wherein the straight pipe body (51) is clamped at the front end of the cavity of the lower cover (2), when the upper cover (1) and the lower cover (2) are closed, the end part of the straight pipe body (51) abuts against the head connecting seat (3), a channel (31) inside the head connecting seat (3) is communicated with the straight pipe body (51), and the flushing joint (54) and the suction joint (55) are clamped at the tail end of the cavity of the lower cover (2) and are exposed out of the tail end of the cavity of the lower cover (2); the flushing button assembly (6) and the suction button assembly (7) are arranged on the lower cover (2); the flushing button assembly (6) is used for controlling the communication and the closing of the flushing hose (52) and the straight pipe body (51), when the flushing button assembly (6) is in a normal state, the flushing hose (52) and the straight pipe body (51) are normally closed, and when the flushing button assembly (6) is pushed upwards, the flushing hose (52) is communicated with the straight pipe body (51); the suction button assembly (7) is used for controlling the communication and the closing of the suction hose (53) and the straight pipe body (51), when the suction button assembly (7) is in a normal state, the suction hose (53) and the straight pipe body (51) are normally closed, and when the suction button assembly (7) is pushed upwards, the suction hose (53) and the straight pipe body (51) are communicated.

2. The normally closed suction flusher for endoscopic surgery according to claim 1, characterized in that: the upper cover (1) and the lower cover (2) are hinged through the head connecting seat (3), wherein the front end of the upper cover (1) is hinged with the head connecting seat (3) through a first pin shaft (8), and the front end of the lower cover (2) is hinged with the head connecting seat (3) through a second pin shaft (9).

3. The normally closed suction flusher for endoscopic surgery according to claim 1, characterized in that: the flushing button assembly (6) and the suction button assembly (7) have the same structure and respectively comprise a push button (10), a return spring (11), an upright post (12) and a transverse hook (13); the bottom of the lower cover (2) is provided with two stepped grooves (14) which have the same structure and are used for installing a flushing button assembly (6) and a suction button assembly (7), the stepped grooves (14) are thin in the upper part and thick in the lower part, the top and the bottom of each stepped groove are both provided with openings, the pressing buttons (10) and the reset springs (11) are both arranged on the thick parts of the stepped grooves (14), the lower ends of the reset springs (11) abut against the pressing buttons (10), and the upper ends of the reset springs (11) abut against the stepped surfaces of the stepped grooves (14); the upright post (12) is vertically arranged, the lower end of the upright post is connected with the push button (10), the upper end of the upright post penetrates out of the stepped groove (14) and then is connected with the transverse hook (13), and the transverse hook (13) is horizontally arranged; when the return spring (11) is not compressed in a normal state, the vertical column (12) drives the transverse hook (13) to descend to the lowest position, at the moment, the transverse hook (13) in the flushing button assembly (6) hooks and presses down the flattening flushing hose (52), and the transverse hook (13) in the suction button assembly (7) hooks and presses down the flattening suction hose (53).

4. The normally closed suction flusher for endoscopic surgery according to claim 3, characterized in that: bolt (15) are installed to push type button (10) bottom, the vertical installation of bolt (15) is just rotatable, and the upper portion of bolt (15) and the lower extreme of stand (12) are threaded connection.

5. The normally closed suction flusher for endoscopic surgery according to claim 4, characterized in that: when the flushing hose (52) or the suction hose (53) is in a normally closed state, the arrangement direction of the transverse hook (13) for hooking and flattening the flushing hose is vertical to the length direction of the lower cover (2), and vertical guide grooves (16) for positioning and guiding the transverse hook (13) are arranged on the inner walls of the two sides of the lower cover (2).

6. The normally closed suction flusher for endoscopic surgery according to claim 1, characterized in that: the upper cover (1) and the lower cover (2) are locked through a locking assembly, the locking assembly comprises a clamping hook (17) which is arranged on the upper cover (1) and can slide back and forth, and a locking clamping groove (18) which is arranged in the cavity of the lower cover (2) and used for clamping the clamping hook (17); the clamping hook (17) is pushed forwards, the clamping hook (17) is clamped into the locking clamping groove (18), and the upper cover (1) and the lower cover (2) are locked; the hook (17) is pushed backwards, the hook (17) is separated from the locking clamping groove (18), and the upper cover (1) and the lower cover (2) are unlocked.

7. The normally closed suction flusher for endoscopic surgery according to claim 1, characterized in that: the front end part of the straight pipe body (51) is provided with a circle of flange (511), and the straight pipe body (51), the flange (511), the flushing hose (52) and the suction hose (53) are integrally formed by adopting a silica gel material; the front end in the cavity of the lower cover (2) is provided with a positioning groove (19) for positioning the straight pipe body (51), the straight pipe body (51) is installed in the positioning groove (19) in a clamping mode, and when the upper cover (1) and the lower cover (2) are closed, the end part of the flange (511) abuts against the head connecting seat (3).

8. The normally closed suction flusher for endoscopic surgery according to claim 1, characterized in that: the flushing connector (54) and the suction connector (55) are arranged in parallel and connected together through a fixing plate (20), and the flushing connector (54), the suction connector (55) and the fixing plate (20) are integrally formed by adopting a plastic material; a second positioning groove (21) for positioning the fixing plate (20) is formed in the tail end in the cavity of the lower cover (2); the flushing joint (54) is provided with a flushing sign (541), and the suction joint (55) is provided with a suction sign (551).

9. The normally closed suction flusher for endoscopic surgery according to claim 1, characterized in that: the upper cover (1) and the lower cover (2) are made of plastics.

Images