CN218356796U - Special suction system for arthroscopic surgery - Google Patents

Abstract

The utility model discloses a special suction system for arthroscopic surgery, which relates to the technical field of medical instruments and comprises a suction apparatus and a suction bottle; the suction apparatus comprises an outer shell and a liquid suction cavity arranged in the outer shell, and the head and the tail of the outer shell are respectively provided with a suction inlet and a negative pressure suction tube which are communicated with the liquid suction cavity; the suction bottle comprises a bottle body and a sealing cover, the sealing cover is provided with a catheter and an exhaust tube, and a reverse suction prevention floater for preventing the exhaust tube from sucking liquid in the bottle body reversely is arranged in the bottle body; one end of the liquid guide pipe is connected with the negative pressure suction pipe, and the other end of the liquid guide pipe extends into the bottle body; one end of the exhaust tube is used for being connected with an external air exhaust device, and the other end of the exhaust tube extends into the bottle body and is connected with the anti-reverse suction floater. The beneficial effects of the utility model are that the anti-suck-back float in the suction bottle can shelter from the oral area of exhaust tube along exhaust tube rebound under the effect of the buoyancy is produced to the flush fluid, avoids the flush fluid to be by among the suck-back air exhaust device.

Description

Special suction system for arthroscopic surgery

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to special attraction system of arthroscopic surgery.

Background

In many orthopedic operations such as hip replacement, knee replacement and the like, since it is necessary to cut or repair a human bone in order to facilitate the fixation using an orthopedic steel plate or a titanium metal prosthesis, when the fixation of the prosthesis is completed, it is necessary to wash the replacement site with a large amount of washing solution in order to keep the replacement surface clean, and after the cleaning, it is necessary to remove the washing solution.

At present, a suction system is generally used for sucking away the flushing liquid, and generally comprises a suction head and a suction bottle, wherein the suction bottle is connected with an air extractor, so that the flushing liquid can be sucked into the suction bottle through the suction head. In the prior art, when the suction bottle is nearly full of liquid, the flushing liquid in the suction bottle is easily sucked into the air extractor, so that the air extractor is damaged.

Simultaneously, owing to use electronic bone saw in the operation, can produce the tiny garrulous bone of a large amount of not of uniform size, these tiny garrulous bones and flush fluid mix together, consequently, when using suction system to siphon away the flush fluid, also very easily with garrulous bone together suction system in to cause the jam of suction leather hose and suction bottle in the suction system, if block up seriously then need change a whole set of suction apparatus, both prolonged patient treatment time, influence the efficiency of operation again. In the prior art, in order to solve the problem of suction system jam, arrange to patrol nurse special person's regular clearance usually in the art, dredge the suction line to reach the effect of smooth and easy use suction system, the method of adopting special person's regular clearance is not only inefficiency, but also is the very big waste to medical care resource.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve one of the technical problem that exists among the prior art at least, provide a special attraction system of arthroscopic surgery.

The technical solution of the utility model is as follows:

a special suction system for arthroscopic surgery comprises a suction apparatus and a suction bottle;

the suction apparatus comprises an outer shell and a liquid suction cavity arranged in the outer shell, and the head and the tail of the outer shell are respectively provided with a suction inlet and a negative pressure suction tube which are communicated with the liquid suction cavity;

the suction bottle comprises a bottle body and a sealing cover, a liquid guide pipe and an exhaust pipe are arranged on the sealing cover, and a reverse suction prevention floater for preventing the exhaust pipe from sucking liquid in the bottle body reversely is arranged in the bottle body; one end of the liquid guide pipe is connected with the negative pressure suction pipe, and the other end of the liquid guide pipe extends into the bottle body; one end of the exhaust tube is used for being connected with an external air exhaust device, the other end of the exhaust tube extends into the bottle body and is connected with the anti-reverse suction floater, and the anti-reverse suction floater can move upwards along the exhaust tube and shield the opening of the exhaust tube under the action of buoyancy of liquid in the suction bottle.

As a preferred technical scheme of the utility model, prevent that suck-back float includes the float body, the upper end of float body is slided and is set up on the exhaust tube, have on the lateral wall of float body with the extraction opening of exhaust tube intercommunication, the lower extreme of float body has the bellied sealing plug that makes progress, the sealing plug is located the below of exhaust tube, and the size of sealing plug and the size looks adaptation of exhaust tube oral area, the float body can make the sealing plug can shelter from the oral area of exhaust tube along the exhaust tube rebound in attracting the bottle under the effect of liquid buoyancy.

As an optimized technical proposal of the utility model, a filtering mesh bag connected with the catheter is arranged in the bottle body.

As a preferred technical scheme of the utility model, be provided with crushing rotor, grinding rotor and driving motor in the shell body, crushing rotor sets up with grinding rotor the imbibition intracavity, driving motor is connected and can drive crushing rotor and grinding rotor rotation with crushing rotor and grinding rotor.

As a preferred technical scheme of the utility model, it is in to smash the rotor and include the pivot and set up change epaxial drill bit, the drill bit orientation the sunction inlet sets up, the pivot is connected with driving motor.

As an optimal technical scheme of the utility model, clearance fit between the inside wall of drill bit and shell body, the clearance is 2~8mm.

As an optimized technical scheme of the utility model, the drill bit is fusiformis.

As an optimal technical scheme of the utility model, the front end of smashing the rotor is close to the sunction inlet sets up, the rear end through a connecting axle with grind the rotor and connect, the rear end of grinding the rotor is connected with driving motor through another connecting axle.

As an optimal technical scheme of the utility model, clearance fit between the inside wall of grinding rotor and shell body, the clearance is 1~5mm.

As a preferred technical scheme of the utility model, a negative pressure cavity connected with the negative pressure suction tube is further arranged inside the outer shell body, and the negative pressure cavity is communicated with the liquid suction cavity; the foot switch is used for controlling the power supply of the driving motor to be switched on and off and is connected with the driving motor.

The utility model discloses one of following beneficial effect has at least:

1. in the utility model, the anti-reverse suction float is arranged in the suction bottle, so that flushing fluid collected in the suction bottle can be prevented from being sucked into the air extractor reversely, particularly, before the suction bottle is not full of liquid, the anti-reverse suction float is not contacted with the flushing fluid in the suction bottle, the sealing plug on the anti-reverse suction float is far away from the exhaust tube under the action of self gravity, and the exhaust tube works normally, so that gas in the suction bottle can be pumped away through the exhaust port on the side wall of the anti-reverse suction float to form negative pressure; when the suction bottle is close to full liquid, the anti-reverse suction floater is in contact with flushing liquid in the suction bottle, and the anti-reverse suction floater moves upwards along the exhaust tube under the action of buoyancy generated by the flushing liquid, so that the sealing plug can shield the opening part of the exhaust tube, thereby avoiding the damage to the exhaust device when the flushing liquid collected in the suction bottle is reversely sucked into the exhaust device. Broken bone particles in the washing liquid can be filtered through the filter mesh bag, so that the washing liquid and the broken bone can be conveniently separated.

2. The aspirator can crush and grind the sucked broken bones, particularly, the crushing rotor and the grinding rotor can be driven to rotate simultaneously through the driving motor, the large broken bones can be drilled and crushed through the crushing rotor, namely the drill bit, and the large broken bones can be preliminarily crushed through the clearance fit between the drill bit and the side wall of the outer shell, so that tissues such as the broken bones entering the liquid suction cavity are crushed; then, the grinding rotor is used for further grinding and milling the tissues such as the broken bones, and the broken bones can be well processed into small particles through the dual functions of the grinding rotor and the grinding rotor, so that the tissues such as the broken bones can be prevented from blocking the suction tube and the suction bottle. And the utility model provides a drill bit is fusiformis, can avoid remaining the problem that the garrulous bone is not convenient for clear up on smashing the rotor.

Drawings

FIG. 1 is a schematic structural view of a special suction system for arthroscopic surgery according to a preferred embodiment of the present invention;

FIG. 2 is a schematic view of the suction apparatus according to the preferred embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of the suction apparatus in the preferred embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of the suction bottle according to the preferred embodiment of the present invention;

the following are marked in the figure:

1. a suction apparatus; 101. an outer housing; 102. a suction inlet; 103. a liquid suction chamber; 104. a pulverizing rotor; 1041. a rotating shaft; 1042. a drill bit; 1043. propeller blades; 105. grinding the rotor; 106. a drive motor; 107. a negative pressure suction tube; 108. a negative pressure chamber; 109. a motor power supply line; 1010. a suction tube connector 1011, a suction hole;

2. a suction bottle; 201. a bottle body; 202. a sealing cover; 203. a catheter; 204. an air exhaust pipe; 205. a suck-back prevention float; 2051. a float body; 2052. an air extraction opening; 2053. a sealing plug; 206. and (4) filtering the mesh bag.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments, but the present invention is not limited to the following embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

As shown in fig. 1, the present embodiment provides a special suction system for arthroscopic surgery, which comprises a suction apparatus 1 and a suction bottle 2, wherein a flushing fluid is sucked in through the suction apparatus 1 and collected in the suction bottle 2, and the specific structures of the suction apparatus 1 and the suction bottle 2 are as follows:

as shown in fig. 2 to 3, the suction apparatus 1 includes an outer casing 101, a suction chamber 103 is provided inside the outer casing 101, a suction port 102 communicating with an outside is provided at a front end of the outer casing 101, a plurality of suction holes 1011 are further provided on an outer wall of a front end of the outer casing 101, the suction chamber 103 communicates with the suction port 102 and the suction holes 1011, both the suction port 102 and the suction holes 1011 are used for sucking a flushing liquid, and the size and number of the suction holes 1011 can be determined according to actual situations.

A crushing rotor 104, a grinding rotor 105 and a driving motor 106 are arranged in the outer shell 101, specifically, the crushing rotor 104 and the grinding rotor 105 are arranged in the liquid suction cavity 103, the tail part of the outer shell 101 is also provided with a placing cavity, the placing cavity is not communicated with the liquid suction cavity 103, the driving motor 106 is arranged in the placing cavity, and the tail part of the outer shell 101 is also provided with a motor power supply wire 109 connected with the driving motor 106; the driving motor 106 is connected to the crushing rotor 104 and the grinding rotor 105, specifically, the front end of the crushing rotor 104 is disposed near the suction port 102, the rear end of the crushing rotor 104 is connected to the grinding rotor 105 through a connecting shaft, and the rear end of the grinding rotor 105 is connected to the driving motor 106 through another connecting shaft, so that the crushing rotor 104 and the grinding rotor 105 can be simultaneously driven to rotate by the driving motor 106, and the crushing and grinding rotors are used for crushing and grinding the crushed bone entering the liquid suction cavity 103.

In this embodiment, the crushing rotor 104 includes a rotating shaft 1041 and a drill 1042, the rotating shaft 1041 is connected with the grinding rotor 105, the drill 1042 is disposed at the front end of the rotating shaft 1041, the drill 1042 is disposed toward the suction port 102, the drill 1042 is in clearance fit with the inner side wall of the outer shell 101, preferably, the clearance is 2-8 mm, so as to crush large crushed bones preliminarily; the drill 1042 in this embodiment is in a shuttle shape, that is, the drill 1042 has two narrow ends and a wide middle, so as to avoid the problem that the residual broken bone on the crushing rotor 104 is not easy to clean.

In this embodiment, the grinding rotor 105 is in clearance fit with the inner side wall of the outer shell 101, preferably, the clearance is 1 to 5mm, the grinding rotor 105 is preferably made of corundum, the outer diameter of the grinding rotor 105 is gradually increased from the head to the tail of the outer shell 101, and the grinding rotor 105 can further grind and grind crushed bones and tissues to prevent the crushed bones and tissues from blocking the negative pressure suction tube after entering the negative pressure suction tube.

The rear end of shell body 101 is provided with negative pressure and attracts pipe 107, shell body 101 is inside still to have the negative pressure chamber 108 that negative pressure attracts pipe 107 to connect, in this embodiment, negative pressure chamber 108 sets up the rear end at grinding rotor 105, negative pressure chamber 108 with inhale liquid chamber 103 intercommunication, be provided with on the negative pressure and attract pipe joint 1010.

As shown in fig. 4, the suction bottle 2 includes a bottle body 201 and a sealing cover 202 for sealing the bottle body 201, the sealing cover 202 is provided with a liquid guide tube 203 and an air suction tube 204, one end of the liquid guide tube 203 is connected with the negative pressure suction tube 107, specifically, connected with a suction tube connector 1010, and the other end thereof extends into the bottle body 201; one end of the air exhaust pipe 204 is used for being connected with an external air exhaust device, and the other end of the air exhaust pipe extends into the bottle body 201. The suction device can generate negative pressure in the absorption bottle 2, the negative pressure suction tube 107, and the negative pressure chamber 108, so that the flushing liquid, the crushed bones, and the like can be sucked into the liquid suction chamber 103 through the suction port 102 and the suction hole 1011, and then sequentially enter the negative pressure chamber 108 and the negative pressure suction tube 107, and finally the flushing liquid and the crushed bones can be collected in the absorption bottle 2.

The anti-suck-back floater 205 is arranged in the bottle body 201, the anti-suck-back floater 205 is connected with the lower end of the air suction pipe 204, and the anti-suck-back floater 205 can move upwards along the air suction pipe 204 under the action of the buoyancy of the liquid in the suction bottle (2) and shield the opening of the air suction pipe 204, so that the air suction pipe 204 can be prevented from sucking the liquid in the bottle body 201 backwards; in this embodiment, the suck-back prevention float 205 includes a float body 2051, the upper end of the float body 2051 is slidably disposed on the exhaust pipe 204, specifically, the lower end of the exhaust pipe 204 has a clamping step, the upper end of the float body 2051 has a matching clamping block, and through the matching between the clamping block and the clamping step, the upper end of the float body 2051 is sleeved on the lower end of the exhaust pipe 204, and the float body 2051 can move upward along the outer wall of the exhaust pipe 204; a suction opening 2052 communicated with the suction pipe 204 is formed in the side wall of the float body 2051, a sealing plug 2053 protruding upwards is formed at the lower end of the float body 2051, the sealing plug 2053 is positioned below the suction pipe 204, and the size of the sealing plug 2053 is matched with the size of the opening of the suction pipe 204. Before the suction bottle 2 is not full of liquid, the anti-reverse suction floater 205 is not contacted with flushing liquid in the suction bottle 2, the sealing plug 2053 on the anti-reverse suction floater 205 is far away from the exhaust pipe 204 under the action of self gravity, and the exhaust pipe 204 works normally, so that gas in the suction bottle 2 can be pumped away through the exhaust port 2052 on the side wall of the anti-reverse suction floater 205 to form negative pressure; when attracting bottle 2 and being close to the liquid fullness, prevent that suck-back float 205 and the washing liquid contact that attracts in the bottle 2, the washing liquid produces buoyancy and is greater than the gravity that prevents suck-back float 205 self to prevent suck-back float 205 and under the effect of the buoyancy is produced to the washing liquid, can be along exhaust tube rebound, make sealing plug 2053 can shelter from the oral area of exhaust tube 204, avoid attracting the washing liquid of collecting in the bottle 2 and by suck-back among the exhaust apparatus and lead to exhaust apparatus's damage.

A filter mesh bag 206 connected with the catheter 203 is arranged in the bottle body 201, and broken bone particles in the washing liquid can be filtered through the filter mesh bag 206, so that the washing liquid and the broken bone can be separated conveniently.

In this embodiment, the external switch is a foot switch, the foot switch is connected to the driving motor 106 and the external air exhaust device, and medical staff can control the on/off of the power supply of the driving motor 106 and the external air exhaust device by stepping on the foot switch, so as to control the rotation of the driving motor 106 and the operation of the external air exhaust device.

The utility model discloses an open outside air exhaust device to make and inhale to produce the negative pressure in the bottle 2, produce the negative pressure in the vacuum suction pipe 107, the negative pressure chamber 108 that are connected with the bottle 2 of attracting, can inhale in the liquid suction chamber 103 with tissues such as flush fluid and garrulous bone through suction opening 102 and attraction hole 1011, drive crushing rotor 104 and grinding rotor 105 rotation through opening driving motor 106, smash the tissue such as the big piece garrulous bone that gets into in the liquid suction chamber 103 through the drill 1042 on crushing rotor 104 earlier, then further grind the tissue such as garrulous bone into the tiny particle through grinding rotor 105, thereby can avoid tissues such as garrulous bone to block up and attract pipe and suction bottle; the washing liquid and the broken bones enter the suction bottle 2 through the catheter 203, and the washing liquid can be filtered through the filter mesh bag 206, so that the broken bone particles are trapped in the filter mesh bag 206, the washing liquid and the broken bone particles are conveniently separated, and the washing liquid is collected in the bottle body 201; by preventing the suck-back float 205, it is possible to prevent the wash liquid collected in the suction bottle 2 from being sucked back into the air extractor, thereby preventing the air extractor from being damaged.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (10)

1. A special suction system for arthroscopic surgery is characterized by comprising a suction apparatus (1) and a suction bottle (2);

the aspirator (1) comprises an outer shell (101) and a liquid suction cavity (103) arranged in the outer shell (101), wherein the head part and the tail part of the outer shell (101) are respectively provided with a suction inlet (102) communicated with the liquid suction cavity (103) and a negative pressure suction pipe (107);

attract bottle (2) including bottle (201) and sealed lid (202), be provided with catheter (203) and exhaust tube (204) on sealed lid (202), be provided with in bottle (201) and be used for preventing exhaust tube (204) suck the anti-suck-back float (205) of bottle (201) interior liquid backward, the one end of catheter (203) with negative pressure attracts pipe (107) to be connected, and the other end stretches into in bottle (201), the one end of exhaust tube (204) is used for being connected with outside air exhaust device, and the other end stretches into in bottle (201) with anti-suck-back float (205) are connected, anti-suck-back float (205) can be along exhaust tube (204) rebound and shelter from the oral area of exhaust tube (204) under the effect of buoyancy of the interior liquid of attraction bottle (2).

2. The special suction system for arthroscopic surgery according to claim 1, wherein the anti-suck-back floater (205) comprises a floater body (2051), the upper end of the floater body (2051) is slidably arranged on the suction tube (204), a suction opening (2052) communicated with the suction tube (204) is formed in the side wall of the floater body (2051), an upward-convex sealing plug (2053) is formed in the lower end of the floater body (2051), the sealing plug (2053) is positioned below the suction tube (204), the size of the sealing plug (2053) is matched with the size of the mouth of the suction tube (204), and the floater body (2051) can move upwards along the suction tube (204) under the action of the buoyancy of the liquid in the suction bottle (2) to enable the sealing plug (2053) to cover the mouth of the suction tube (204).

3. The special suction system for arthroscopic surgery according to claim 1, wherein a filter mesh bag (206) connected with the catheter (203) is arranged in the bottle body (201).

4. The special suction system for arthroscopic surgery according to claim 1, wherein a crushing rotor (104), a grinding rotor (105) and a driving motor (106) are arranged in the outer shell (101), the crushing rotor (104) and the grinding rotor (105) are arranged in the liquid suction cavity (103), and the driving motor (106) is connected with the crushing rotor (104) and the grinding rotor (105) and can drive the crushing rotor (104) and the grinding rotor (105) to rotate.

5. The special suction system for arthroscopic surgery according to claim 4, wherein the crushing rotor (104) comprises a rotating shaft (1041) and a drill (1042) arranged on the rotating shaft (1041), the drill (1042) is arranged towards the suction inlet (102), and the rotating shaft (1041) is connected with a driving motor (106).

6. The special suction system for arthroscopic surgery according to claim 5, wherein the drill (1042) is in clearance fit with the inner side wall of the outer shell (101), and the clearance is 2-8mm.

7. The arthroscopic surgical specific aspiration system of claim 5, wherein the drill (1042) is shuttle shaped.

8. The special suction system for arthroscopic surgery according to claim 4, wherein the front end of the crushing rotor (104) is arranged close to the suction inlet (102), the rear end of the crushing rotor is connected with the grinding rotor (105) through a connecting shaft, and the rear end of the grinding rotor (105) is connected with the driving motor (106) through another connecting shaft.

9. The special suction system for arthroscopic surgery according to claim 4, wherein the grinding rotor (105) is in clearance fit with the inner side wall of the outer shell (101), and the clearance is 1-5 mm.

10. The special suction system for arthroscopic surgery according to claim 4, characterized in that the inside of the outer shell (101) is further provided with a negative pressure cavity (108) connected with the negative pressure suction tube (107), and the negative pressure cavity (108) is communicated with the liquid suction cavity (103); the power supply control device also comprises a foot switch for controlling the power supply of the driving motor (106) to be switched on and off, and the foot switch is connected with the driving motor (106).

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