CN221266131U - Arthroscope water diversion sleeve - Google Patents

Abstract

The utility model discloses an arthroscope diversion and drainage sleeve, which comprises a sleeve, wherein a connecting box is fixedly arranged at the middle position of the sleeve, first cavities are formed in two sides of the connecting box, a PUW waterproof film is fixedly connected in the first cavities, a needle cylinder is arranged on one side of the connecting box, an air bag is arranged on the other side of the connecting box, a backflow prevention mechanism is arranged at the joint of the sleeve and the connecting box, the backflow prevention mechanism comprises a plastic ball, the plastic ball is matched with a first limiting ring and a second limiting ring through the design of the backflow prevention mechanism, the plastic ball blocks grooves of the first limiting ring to prevent backflow when liquid flows back, the sleeve and the inside of the connecting box are pumped to a negative pressure state through the needle cylinder by closing valves at two ends of the sleeve, and water is conveniently adsorbed into the sleeve and the connecting box from the arthroscope when a valve at the upper end of the sleeve is opened, so that backflow is further prevented.

Description

Arthroscope water diversion sleeve

Technical Field

The utility model relates to the technical field of medical instruments, in particular to an arthroscope diversion and drainage sleeve.

Background

The arthroscope is a rod-shaped optical instrument with the diameter of about 5mm for observing the internal structure of a joint, is an endoscope for diagnosing and treating joint diseases, is provided with a lens at the end part of a tubule, and is inserted into the joint, and the internal structure of the joint can be displayed on a monitor, so that the internal structure of the joint can be directly observed, and the arthroscope is not only used for diagnosing diseases, but also widely used for treating joint diseases.

At present, a lot of water is injected during arthroscopic surgery, so that a lot of water flows back from a wound when arthroscopic instruments are pulled out, the prior art is to connect a sleeve with an arthroscope, so that the flowing water is guided into a waste liquid box from the sleeve, but due to the fact that the inclination degree between the sleeve and the arthroscope is small due to improper use of an operator, the water in the sleeve can flow back to the arthroscope, so that instrument pollution is caused, secondary infection of a patient can be caused in serious cases, in addition, when the water in the sleeve is guided into the waste liquid box, water drops adsorbed on the inner wall of the sleeve cannot flow into the waste liquid box in a straying mode, the water drops adsorb on the inner wall of the sleeve, tissue liquid such as blood generated during cleaning of joints of a patient is carried in the water, the instrument pollution can be caused during the next connection with the arthroscope, and life safety of the patient can be endangered in serious cases.

Disclosure of utility model

The utility model aims to provide an arthroscope diversion drainage sleeve, which aims to solve the problems that liquid in the sleeve flows back and water drops adsorbed on the inner wall of the sleeve cannot be cleaned in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an arthroscope water conservancy diversion drainage sleeve pipe, includes the sleeve pipe, sheathed tube intermediate position department fixed mounting has the spread box, first cavity has all been seted up to the spread box both sides, the inside fixedly connected with PUW water proof membrane of first cavity, one side of spread box is provided with the cylinder, the opposite side of spread box is provided with the gasbag, the junction of sleeve pipe and spread box is provided with prevents backflow mechanism, prevent backflow mechanism includes the plastics ball, the plastics ball activity sets up inside the sleeve pipe, and the PUW water proof membrane is ventilative waterproof, and the cooperation of cylinder and gasbag makes the intraductal negative pressure that produces of cover.

Preferably, the first spacing ring of inside fixedly connected with of sleeve pipe, first spacing ring sets up in the plastics ball top, the inside fixedly connected with second spacing ring of sleeve pipe, the second spacing ring sets up in plastics ball below, a plurality of first recesses have been seted up to second spacing ring inside, and plastics ball top and below are provided with first spacing ring and second spacing ring respectively, carry out spacingly to plastics ball, and the fluid in the sleeve pipe can flow down from the first recess on the second spacing ring.

Preferably, a connecting column is fixedly connected to the position of one side of the connecting box corresponding to the PUW waterproof membrane, one end of the connecting column is fixedly connected with the needle cylinder, and the connecting column supports the PUW waterproof membrane against the surface of the connecting box.

Preferably, the needle cylinder comprises an outer cylinder, one end of the outer cylinder is fixedly connected with a needle head, the needle head is fixedly connected with a communication column, a pull rod is movably arranged in the outer cylinder, one end of the pull rod is fixedly connected with a piston, the pull rod is pulled to move, and air in the sleeve is pumped out, so that negative pressure is generated in the sleeve.

Preferably, one end of the needle cylinder is provided with a clamping mechanism, the clamping mechanism comprises a fixed block, the fixed block is fixedly connected with the needle cylinder, a second cavity is formed in the fixed block, a pull pin is movably arranged in the second cavity and penetrates through the fixed block and extends to the inside of the second cavity, one end of the pull pin is fixedly connected with a sliding block, the sliding block is rotationally arranged in the second cavity, a spring is sleeved on the outer surface of the pull pin, two ends of the spring are fixedly connected with the fixed block and the sliding block respectively, and the clamping mechanism can limit the pull rod ground pull-out distance so as to control the size of negative pressure in the sleeve.

Preferably, a plurality of second grooves are formed in the pull rod, the second grooves are matched with the sliding blocks, the second grooves are arranged into right-angled triangles, and the sliding blocks can only slide unidirectionally through the mutual matching between the second grooves and the sliding blocks.

Preferably, the valve is all provided with at sheathed tube both ends, the valve includes the spliced pole, the spliced pole rotates with the sleeve pipe to be connected, the one end fixedly connected with spheroid of spliced pole, spheroid and laminating of sleeve pipe inner wall, the through-hole has been seted up in the middle of the spheroid, and the valve of sleeve pipe top and bottom all is in closed state when extracting the negative pressure to the sleeve pipe inside, and first recess position is perpendicular with the sleeve pipe.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the utility model, the backflow prevention mechanism is designed, the plastic balls are matched with the first limiting ring and the second limiting ring, so that the grooves of the first limiting ring are blocked when liquid flows back to prevent backflow, the valves at the two ends of the sleeve are closed, the sleeve and the inside of the connecting box are pumped to a negative pressure state through the needle cylinder, when the valve at the upper end of the sleeve is opened, water is conveniently adsorbed into the sleeve and the connecting box from the arthroscope, backflow is further prevented, after the water is adsorbed, the valve above the sleeve is closed, the valve below the sleeve is opened, water is guided into the waste liquid box under the action of gravity, the air bag is extruded, water drops adsorbed on the inner walls of the sleeve and the connecting box are pushed into the waste liquid box in a stranding manner along the inner walls through the action of gas, the effect of deep cleaning is achieved, the backflow prevention mechanism and the valve are arranged, the negative pressure energy-saving and environment-friendly effects are avoided by using the needle cylinder, water drops adsorbed on the inner walls of the sleeve and the connecting box are pushed out by the action of gas through the air bag, the pollution prevention is achieved, and the life safety and backflow safety of a patient is ensured;

2. According to the utility model, the clamping mechanism is designed, and the sliding block is matched with the second groove, so that the pull rod can only move unidirectionally, and the negative pressure in the sleeve and the connecting box can be controlled through the process, so that negative pressures with different intensities can be provided according to different conditions, and the collection work of water flowing back during arthroscopic surgery of a patient can be facilitated.

Drawings

FIG. 1 is a front elevational view of the overall structure of the present utility model;

FIG. 2 is an overall cross-sectional view of the present utility model;

FIG. 3 is an enlarged view of the utility model at A;

FIG. 4 is an enlarged view of the utility model at B;

Fig. 5 is an enlarged view of the utility model at C.

In the figure:

1. A sleeve;

2. A valve; 21. a connecting column; 22. a sphere; 23. a through hole;

3. A connection box; 31. a first cavity; 32. a PUW waterproofing membrane;

4. a communication column;

5. A needle cylinder; 51. an outer cylinder; 52. a needle; 53. a pull rod; 54. a piston; 55. a second groove;

6. A fixed block; 61. a second cavity; 62. a pull pin; 63. a sliding block; 64. a spring;

7. An air bag;

8. plastic balls; 81. a first stop collar; 82. a second limiting ring; 83. a first groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 5, the present utility model provides a technical solution of an arthroscopic diversion and drainage sleeve:

The arthroscope water diversion and drainage sleeve comprises a sleeve 1, wherein valves 2 are arranged at two ends of the sleeve 1, the valves 2 comprise connecting columns 21, the connecting columns 21 are rotationally connected with the sleeve 1, one end of each connecting column 21 is fixedly connected with a ball 22, the ball 22 is attached to the inner wall of the sleeve 1, a through hole 23 is formed in the middle of the ball 22, when the arthroscope water diversion and drainage sleeve works, firstly, the valves 2 at two ends of the sleeve 1 are in a closed state, the connecting columns 21 are rotated to enable the through holes 23 in the ball 22 to be vertical to the sleeve 1, a pull pin 62 is pulled when the valves 2 are in the closed state, a piston 54 moves in an outer cylinder 51, a communicating column 4 is fixedly connected to one side of a connecting box 3 corresponding to a PUW waterproof membrane 32, the needle cylinder 5 comprises an outer cylinder 51, one end of the outer cylinder 51 is fixedly connected with a needle 52, the needle 52 is fixedly connected with the communicating column 4, the inside of the outer cylinder 51 is movably provided with a pull rod 53, one end of the pull rod 53 is fixedly connected with a piston 54, one end of the connecting column 4 is fixedly connected with the needle cylinder 5, the needle cylinder 5 pumps gas in the sleeve 1 and the connecting box 3 into the outer cylinder 51 through the connecting column 4 and the needle 52, at the moment, the sleeve 1 and the connecting box 3 are in a negative pressure state, the pull rod 53 is provided with a plurality of second grooves 55, the size of negative pressure in the sleeve 1 and the connecting box 3 can be controlled through the cooperation between sliding blocks 63 and different second grooves 55, the second grooves 55 are arranged into right-angled triangles, the pull rod 53 is provided with a plurality of second grooves 55, the second grooves 55 are mutually matched with the sliding blocks 63, the pull rod 53 can only move unidirectionally through the cooperation of the sliding blocks 63 and the inside of the sleeve 1 and the connecting box 3 after the negative pressure state, at this time, the air bag 7 is in a contracted state, one end of the sleeve 1 is connected with the arthroscope, the valve 2 at the upper end is opened, the connecting column 21 is rotated, the through hole 23 in the ball 22 is parallel to the sleeve 1, and at this time, under the action of negative pressure in the sleeve 1 and the connecting box 3, fluid can be pumped into the sleeve 1 and the connecting box 3 from the arthroscope.

Further, when the liquid extraction is completed, the air pressure in the sleeve 1 and the connecting box 3 is changed from negative pressure to atmospheric pressure until the air pressure is consistent with the external air pressure, the attraction force on the liquid is reduced, the air in the sleeve 1 and the connecting box 3 can be extracted by closing the valve 2 at the upper end of the sleeve 1, so that new negative pressure is generated, the negative pressure is generated without consuming energy, the air bag 7 is repeatedly regenerated, the negative pressure is gradually changed from a contracted state to a relaxed state along with the change of the atmospheric pressure, a large amount of air is sucked into the air bag 7, the valve 2 at the lower end of the sleeve 1 is opened, the lower end of the sleeve 1 is placed in the waste liquid box, Part of liquid can flow into the waste liquid tank under the action of gravity, in addition, part of liquid is adsorbed on the inner walls of the sleeve 1 and the connecting box 3, at the moment, the valve 2 at the upper end of the sleeve 1 is closed, the air bag 7 is pinched, the air bag 7 begins to deflate, the liquid on the connecting box 3 and the inner wall of the sleeve 1 is flushed by the action of gas pressure to flow into the waste liquid tank, the joint of the sleeve 1 and the connecting box 3 is provided with a backflow prevention mechanism, the backflow prevention mechanism comprises a plastic ball 8, the plastic ball 8 is movably arranged inside the sleeve 1, the joint of the sleeve 1 and the connecting box 3 is provided with a backflow prevention mechanism, the interior of the sleeve 1 is fixedly connected with a first limiting ring 81, The first limiting ring 81 is arranged above the plastic ball 8, the second limiting ring 82 is fixedly connected inside the sleeve 1, the second limiting ring 82 is arranged below the plastic ball 8, a plurality of first grooves 83 are formed inside the second limiting ring 82, the plastic ball 8 moves between the first limiting ring 81 and the second limiting ring 82, liquid can fall from the middle position of the first limiting ring 81, flows into the connecting box 3 from the first grooves 83 of the second limiting ring 82, when the valve 2 at the upper end of the sleeve 1 is closed, the air bag 7 is pinched, the liquid in the connecting box 3 can impact the plastic ball 8 to block the middle position of the first limiting ring 81, In addition, when the arthroscope connecting sleeve 1 is horizontally placed, the valve 2 at the upper end of the sleeve 1 is opened, at the same time, because of the existence of the backflow preventing mechanism, the liquid flowing into the sleeve 1 from the arthroscope can not flow back, and can not cause pollution of the arthroscope and other operation instruments, after the liquid collection is completed, one end of the needle cylinder 5 is provided with a clamping mechanism, the clamping mechanism comprises a fixed block 6, the fixed block 6 is fixedly connected with the needle cylinder 5, a second cavity 61 is formed in the fixed block 6, a pull pin 62 is movably arranged in the second cavity 61, the pull pin 62 penetrates through the fixed block 6 and extends into the second cavity 61, One end of the pull pin 62 is fixedly connected with a sliding block 63, the sliding block 63 is rotatably arranged in the second cavity 61, a spring 64 is sleeved on the outer surface of the pull pin 62, two ends of the spring 64 are respectively fixedly connected with the fixed block 6 and the sliding block 63, the pull pin 62 in the fixed block 6 is pulled out, the spring 64 in the second cavity 61 contracts, the sliding block 63 is separated from the limitation of the second groove 55, the piston 54 is reset, finally, the valve 2 at the lower end of the sleeve 1 is closed, the utility model is integrally reset, the next use is convenient, a connecting box 3 is fixedly arranged at the middle position of the sleeve 1, the two sides of the connecting box 3 are provided with the first cavity 31, The first cavity 31 is fixedly connected with a PUW waterproof membrane 32, one side of the connection box 3 is provided with a needle cylinder 5, and the other side of the connection box 3 is provided with an air bag 7, in the utility model, the PUW waterproof membrane 32 is arranged on the inner wall of the first cavity 31, the air and the liquid at both sides of the needle cylinder 5 and both sides of the air bag 7 are isolated, and the air permeability and the water impermeability of the PUW waterproof membrane 32 are indispensable technical characteristics of the utility model, which are known to the prior art and are not important to be protected by the technical proposal, therefore, the utility model is not repeated.

Working principle: when in work, firstly, whether the valves 2 at the two ends of the sleeve 1 are in a closed state or not is checked, the connecting column 21 is rotated, the through holes 23 in the ball 22 are vertical to the sleeve 1, when the valves 2 are in the closed state, the pull pin 62 is pulled, the piston 54 moves in the outer cylinder 51, the needle cylinder 5 pumps the gas in the sleeve 1 and the connecting box 3 into the outer cylinder 51 through the connecting column 4 and the needle head 52, at the moment, the sleeve 1 and the connecting box 3 are in a negative pressure state, the pull rod 53 is provided with a plurality of second grooves 55, the negative pressure in the sleeve 1 and the connecting box 3 can be controlled through the cooperation between the sliding blocks 63 and the different second grooves 55, The second groove 55 is a right triangle, and is matched with the second groove 55 through the sliding block 63, so that the pull rod 53 can only move unidirectionally, after the inside of the sleeve 1 and the connecting box 3 is in a negative pressure state, the air bag 7 is in a contracted state at the moment, one end of the sleeve 1 is connected with the arthroscope, the valve 2 at the upper end is opened, the connecting column 21 is rotated, the through hole 23 in the ball 22 is parallel to the sleeve 1, at the moment, under the action of negative pressure in the sleeve 1 and the connecting box 3, fluid can be pumped into the sleeve 1 and the connecting box 3 from the arthroscope, after liquid is pumped, and at the moment, the air pressure in the sleeve 1 and the connecting box 3 is converted from negative pressure to atmospheric pressure, Until the suction force of the liquid is reduced in accordance with the external air pressure, the valve 2 at the upper end of the sleeve 1 is closed, the air in the sleeve 1 and the connecting box 3 is pumped out to generate new negative pressure, the negative pressure is generated without consuming energy, the air bag 7 can be repeatedly regenerated, the negative pressure is gradually changed from a contracted state to a relaxed state in the process of changing the negative pressure along with the atmospheric pressure, a large amount of air is sucked into the air bag 7, the valve 2 at the lower end of the sleeve 1 is opened, the lower end of the sleeve 1 is placed in the waste liquid box, a part of liquid flows into the waste liquid box due to the action of gravity, a part of liquid is adsorbed on the inner walls of the sleeve 1 and the connecting box 3, At this time, the valve 2 at the upper end of the sleeve 1 is closed, the air bag 7 is pinched, the air bag 7 begins to deflate, the connecting box 3 and the liquid on the inner wall of the sleeve 1 are flushed down by the action of air pressure, the liquid flows into the waste liquid box, a backflow preventing mechanism is arranged at the joint of the sleeve 1 and the connecting box 3, the plastic ball 8 moves between the first limiting ring 81 and the second limiting ring 82, the liquid can fall from the middle position of the first limiting ring 81, the liquid flows into the connecting box 3 from the first groove 83 of the second limiting ring 82, when the valve 2 at the upper end of the sleeve 1 is closed, the air bag 7 is pinched, the liquid in the connecting box 3 can impact the plastic ball 8, and the middle position of the first limiting ring 81 is blocked, In addition, when the arthroscope connecting sleeve 1 is horizontally placed, the valve 2 at the upper end of the sleeve 1 is opened, at the same time, because of the existence of the backflow preventing mechanism, the liquid flowing into the sleeve 1 from the arthroscope can not flow back, the pollution of the arthroscope and other operation instruments can not be caused, after the liquid collection is completed, the pull pin 62 in the fixed block 6 is pulled out, the spring 64 in the second cavity 61 is contracted, the sliding block 63 is separated from the limitation of the second groove 55, the piston 54 is reset, and finally the valve 2 at the lower end of the sleeve 1 is closed, so that the whole device is reset, the next use is convenient, in the utility model, the PUW waterproof film 32 is adopted, The PUW waterproof membrane 32 is disposed on the inner wall of the first cavity 31 to isolate the air and liquid on both sides of the syringe 5 and on both sides of the air bag 7, and the air-permeable and water-impermeable properties of the PUW waterproof membrane 32 are an indispensable technical feature of the present utility model, which is known in the art and is not an important point to be protected by the technical scheme, and therefore will not be repeated here.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. An arthroscope water conservancy diversion drainage sleeve pipe, includes sleeve pipe (1), its characterized in that: the connecting box (3) is fixedly arranged at the middle position of the sleeve (1), first cavities (31) are formed in two sides of the connecting box (3), a PUW waterproof film (32) is fixedly connected inside the first cavities (31), a needle cylinder (5) is arranged on one side of the connecting box (3), and an air bag (7) is arranged on the other side of the connecting box (3);

The anti-backflow mechanism is arranged at the joint of the sleeve (1) and the connecting box (3), and comprises a plastic ball (8), and the plastic ball (8) is movably arranged inside the sleeve (1).

2. An arthroscopic diversion cannula according to claim 1 and wherein: the novel plastic ball welding device is characterized in that a first limiting ring (81) is fixedly connected to the inside of the sleeve (1), the first limiting ring (81) is arranged above the plastic ball (8), a second limiting ring (82) is fixedly connected to the inside of the sleeve (1), the second limiting ring (82) is arranged below the plastic ball (8), and a plurality of first grooves (83) are formed in the second limiting ring (82).

3. An arthroscopic diversion cannula according to claim 1 and wherein: and a communicating column (4) is fixedly connected to one side of the connecting box (3) corresponding to the position of the PUW waterproof membrane (32), and one end of the communicating column (4) is fixedly connected with the needle cylinder (5).

4. An arthroscopic diversion cannula according to claim 1 and wherein: the needle cylinder (5) comprises an outer cylinder (51), one end of the outer cylinder (51) is fixedly connected with a needle head (52), the needle head (52) is fixedly connected with a communication column (4), a pull rod (53) is movably arranged in the outer cylinder (51), and one end of the pull rod (53) is fixedly connected with a piston (54).

5. An arthroscopic diversion cannula according to claim 1 and wherein: the utility model discloses a syringe, including syringe (5), the one end of syringe (5) is provided with block mechanism, block mechanism includes fixed block (6), fixed block (6) and syringe (5) fixed connection, second cavity (61) have been seted up to fixed block (6) inside, second cavity (61) inside activity is provided with draws round pin (62), draw round pin (62) to run through fixed block (6) and extend to second cavity (61) inside, the one end fixedly connected with sliding block (63) of drawing round pin (62), sliding block (63) rotate and set up inside second cavity (61), draw round pin (62) surface cover to be equipped with spring (64), the both ends of spring (64) respectively with fixed block (6) and sliding block (63) fixed connection.

6. An arthroscopic diversion and drainage sleeve according to claim 4 and wherein: the pull rod (53) is provided with a plurality of second grooves (55), and the second grooves (55) are matched with the sliding blocks (63).

7. An arthroscopic diversion cannula according to claim 1 and wherein: the two ends of the sleeve (1) are respectively provided with a valve (2), the valves (2) comprise a connecting column (21), the connecting column (21) is rotationally connected with the sleeve (1), one end of the connecting column (21) is fixedly connected with a ball body (22), the ball body (22) is attached to the inner wall of the sleeve (1), and a through hole (23) is formed in the middle of the ball body (22).