CN112827975B - Drainage device is used in hepatobiliary surgery nursing - Google Patents

Abstract

The invention discloses a drainage device for nursing care in hepatobiliary surgery, comprising a liquid collecting tank, a liquid suction mechanism and an air suction mechanism are arranged at the top of the liquid collecting tank, the liquid suction mechanism includes a liquid suction pipe and a sliding sleeve, and a backflow prevention part and a dredging mechanism are arranged in the sliding sleeve. The dredging part includes a sleeve, a stretching assembly is arranged outside the sleeve, and the outer side of the sleeve is rotatably connected with the sliding sleeve; the stretching assembly includes a rotating sleeve and a nut, the rotating sleeve is rotatably connected with the outer side of the sleeve, and a reverse thread is arranged outside the sleeve, and the nut Several connecting pieces are arranged between the sleeve and the rotating sleeve, and one end of the sleeve is provided with a driving part; the anti-backflow part includes a ejector rod, a spring, and a ball. The second protruding shoulder is fixedly connected, a spring is arranged between the first protruding shoulder and the second protruding shoulder, and a through opening is opened inside the side of the liquid suction pipe close to the ball. The invention prevents the liquid drained in the drainage tube from flowing backwards, and at the same time, the drainage tube can be effectively dredged when there is a blockage in the drainage tube, so as to avoid secondary damage to the human body.

Description

A drainage device for hepatobiliary surgical nursing

technical field

The invention relates to the technical field of drainage devices, in particular to a drainage device for hepatobiliary surgery nursing.

Background technique

Hepatobiliary surgery mainly studies hepatocellular carcinoma, hepatolithiasis, post-hepatitis cirrhosis and acute liver failure caused by severe hepatitis, which are major diseases that seriously threaten the health of Chinese people. Under the guidance of ultrasound or X-ray fluoroscopy, percutaneous hepatobiliary puncture and drainage are performed. It is a common treatment measure for the treatment of obstructive jaundice caused by liver cancer, hepatocellular carcinoma and pancreatic cancer. After hepatobiliary surgery, there will be bile accumulation inside. intrabiliary pressure. The drainage tube in the prior art includes a tube body and a control wire, has a simple structure, and cannot effectively handle the drained liquid. Moreover, when there is blockage in the drainage tube, if the negative pressure suction is continued, it will easily cause secondary damage to the human body. After unblocking, it is reinserted into the patient for drainage. Therefore, a drainage device for hepatobiliary surgical nursing needs to be designed to solve the problems existing in the prior art.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a drainage device for hepatobiliary surgery nursing, so as to solve the above-mentioned problems in the prior art, so that the liquid drained in the drainage tube will not flow back, and at the same time, when the drainage tube is blocked, it can be effectively dredged to avoid cause secondary damage to the human body.

In order to achieve the above purpose, the present invention provides the following solutions: the present invention provides a drainage device for hepatobiliary surgery nursing, including a liquid collecting tank, the top of the liquid collecting tank is provided with a liquid pumping mechanism and an air pumping mechanism, and the liquid collecting tank One side is provided with a cleaning mechanism;

The liquid suction mechanism includes a liquid suction pipe, and two sliding sleeves are fixedly connected in the liquid suction pipe, and a backflow prevention part and a dredging part are arranged in the two sliding sleeves, and the dredging part includes a sleeve, and the sleeve An extension assembly is arranged on the outer side of the cylinder, the backflow prevention part is arranged on the inner side of the sleeve, the outer side of the sleeve is rotatably connected with the sliding sleeve, and the liquid suction pipe is communicated with the top of the liquid collecting tank;

The extension assembly includes a rotating sleeve and nuts symmetrically arranged on both sides of the rotating sleeve, the rotating sleeve is rotatably connected with the outer side of the sleeve, and a reverse thread is provided outside the sleeve, and the nut is connected to the outer side of the sleeve. The sleeve is threadedly connected, a plurality of connecting pieces are arranged in an annular array between the nut and the rotating sleeve, and a driving part is arranged at one end of the sleeve;

The anti-backflow part includes an ejector rod, the sleeve is sleeved with the ejector rod, the ejector rod passes through the sleeve and is slidably connected with the sleeve, and one end of the ejector rod is fixed with a ball, so The side of the top rod close to the ball is fixed with a first shoulder, the inner wall of one end of the sleeve away from the ball is fixed with a second shoulder, the first shoulder and the second shoulder A spring is arranged therebetween, the outer diameter of the first shoulder is smaller than the inner diameter of the inner wall of the sleeve, the side of the suction pipe close to the ball is provided with a through opening, and the outer diameter of the ball is larger than the through hole. The inner diameter of the mouth.

Preferably, the connecting member includes a first connecting rod and a second connecting rod, one end of the first connecting rod is slidably connected with the second connecting rod, and the other end of the first connecting rod is hinged with the nut, so The end of the second link away from the first link is hinged with the rotating sleeve.

Preferably, the driving part includes a motor and a closed cavity, the closed cavity is communicated with the inside of the suction pipe, the motor is arranged in the closed cavity, the output end of the motor is fixed with a gear, and the sleeve The end of the barrel close to the gear is fixed with a ring gear rack, and the gear is meshed with the ring gear rack for transmission.

Preferably, a fixing block is fixed on the outer side of the sliding sleeve, and the sliding sleeve is fixed on the inner wall of the liquid suction pipe through the fixing block.

Preferably, the air extraction mechanism includes an air extraction pipe, a vacuum pump is arranged on the air extraction pipe, and the air extraction pipe communicates with the top of the liquid collecting tank.

Preferably, the cleaning mechanism includes a water collection tank, the water collection tank is arranged on one side of the liquid collection tank, the top of the water collection tank is connected with a pipeline, the pipeline is provided with a pump, and the water outlet end of the pipeline It extends into the liquid collecting tank, and the water outlet end of the pipeline is connected with a nozzle assembly.

Preferably, the nozzle assembly includes an annular pipe and a plurality of water distribution pipes, a plurality of inclined nozzles are arranged in an annular array on the outer circumference of the annular pipe, one end of the several water distribution pipes is connected with the outlet end of the pipeline, and several of the water distribution pipes are connected with the outlet end of the pipeline. The other end of the water distribution pipe is communicated with the annular pipe.

Preferably, a liquid suction head is detachably connected to the liquid inlet end of the liquid suction pipe.

The present invention discloses the following technical effects:

In the present invention, a liquid pumping mechanism is provided, and an anti-backflow part is set in the liquid pumping mechanism. The pumping mechanism works to generate negative pressure in the liquid collecting tank, and the liquid squeezes the ball through the opening of the drainage pipe and drains it to the liquid collection. The collection is realized in the box. When the suction mechanism is not working, there is no negative pressure in the suction pipe, and the ball blocks the opening under the action of the spring to prevent the residual liquid in the suction pipe from flowing back to the human body;

By setting the dredging part, when the outside of the suction pipe sleeve is blocked, the motor is activated to drive the sleeve to rotate in the two sliding sleeves, so as to drive the nuts on the outside of the sleeve to move toward or away from each other, so that the connecting piece is opened, and the It drives the rotating sleeve to rotate on the outside of the sleeve as a whole, so as to disperse the large congestion on the outside of the sleeve, thereby realizing the dredging of the outside of the sleeve in the suction tube, avoiding blockage during drainage, and requiring re-extubation to dredge, reducing Pain of the patient, avoid secondary injury.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings required in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some of the present invention. In the embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative labor.

1 is a front view of a drainage device for hepatobiliary surgery nursing of the present invention;

Fig. 2 is a partial enlarged view of A in Fig. 1;

FIG. 3 is a top view of the nozzle assembly in FIG. 1 .

Among them, 1 is the liquid collecting tank, 2 is the liquid suction pipe, 3 is the suction pipe, 4 is the vacuum pump, 5 is the suction pump, 6 is the water tank, 7 is the inclined nozzle, 8 is the annular pipe, 9 is the liquid suction head, and 10 is the Sliding sleeve, 11 is the sleeve, 12 is the ball, 13 is the port, 14 is the ejector rod, 15 is the spring, 16 is the first shoulder, 17 is the second shoulder, 18 is the nut, 19 is the rotating sleeve, 20 is the first connecting rod, 21 is the second connecting rod, 22 is the motor, 23 is the closed cavity, 24 is the gear, 25 is the ring rack, 26 is the fixed block, 27 is the water distribution pipe, and 28 is the pipeline.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

1-3, the present invention provides a drainage device for hepatobiliary surgery nursing, including a liquid collecting tank 1, the top of the liquid collecting tank 1 is provided with a liquid pumping mechanism and a gas pumping mechanism, and one side of the liquid collecting tank 1 is provided with a cleaning mechanism;

The pumping mechanism includes a pumping pipe 2, and two sliding sleeves 10 are fixedly connected in the pumping pipe 2. The two sliding sleeves 10 are provided with an anti-backflow part and a dredging part. The dredging part includes a sleeve 11, and the outer side of the sleeve 11 is provided with There is an extension assembly, the inner side of the sleeve 11 is provided with an anti-backflow part, the outer side of the sleeve 11 is rotatably connected with the sliding sleeve 10, the sliding sleeve 10 is sleeved with a bearing, and the bearing is sleeved on the outer side of the sleeve 11 to realize the sleeve 11 in the two sliding sleeves. 10, the suction pipe 2 is connected with the top of the liquid collecting tank 1;

The extension assembly includes a rotating sleeve 19 and nuts 18 symmetrically arranged on both sides of the rotating sleeve 19. The rotating sleeve 19 is rotatably connected to the outside of the sleeve 11, the rotating sleeve 19 is sleeved with a bearing, and the bearing sleeve is sleeved on the outside of the sleeve 11 to realize the rotating sleeve. 19 rotates on the outside of the sleeve 11, a reverse thread is provided outside the sleeve 11, the nut 18 is threadedly connected with the sleeve 11, a number of connectors are arranged in an annular array between the nut 18 and the rotating sleeve 19, and one end of the sleeve 11 is provided with drive department;

The anti-backflow part includes an ejector rod 14, the sleeve 11 is sleeved with the ejector rod 14, the ejector rod 14 passes through the sleeve 11 and is slidably connected with the sleeve 11, one end of the ejector rod 14 is fixed with a ball 12, and the ejector rod 14 is close to the ball One side of 12 is fixed with a first shoulder 16, the inner wall of one end of the sleeve 11 away from the ball 12 is fixed with a second shoulder 17, and a spring 15 is arranged between the first shoulder 16 and the second shoulder 17, The outer diameter of the shoulder 16 is smaller than the inner diameter of the inner wall of the sleeve 11. The side of the suction pipe 2 close to the ball 12 is provided with a through port 13. The outer diameter of the ball 12 is larger than the inner diameter of the through port 13. When pressing, the liquid squeezes the ball 12 apart through the port 13, the ejector rod 14 moves backward, and at the same time, the spring 15 is compressed between the first shoulder 16 and the second shoulder 17, and the liquid continues to pass through the outside of the sleeve 11. The drainage pipe enters the liquid collecting tank 1 to realize the collection. When there is no negative pressure in the liquid suction pipe 2, the ejector rod 14 returns to its original position under the action of the spring 15, so that the ball 12 abuts against the port 13. , to achieve blocking, and prevent the residual liquid in the suction pipe 2 from flowing back into the human body.

In a further preferred solution, the connecting piece includes a first connecting rod 20 and a second connecting rod 21, one end of the first connecting rod 20 is slidably connected with the second connecting rod 21, the other end of the first connecting rod 20 is hinged with the nut 18, and the second connecting rod The end of 21 away from the first connecting rod 20 is hinged with the rotating sleeve 19. When the two nuts 18 move toward each other or move away from each other, the first connecting rod 20 and the second connecting rod 21 drive the rotating sleeve 19 to move as a whole on the outside of the sleeve 11. Rotational movement, through the expansion and extension of the first connecting rod 20 and the second connecting rod 21, can disperse the large blood clots blocked on the outside of the sleeve 11, and realize the dredging of the outside of the sleeve 11 in the suction tube 2.

In a further preferred solution, the driving part includes a motor 22 and a closed cavity 23, the closed cavity 23 is communicated with the inside of the suction pipe 2, the motor 22 is arranged in the closed cavity 23, the output end of the motor 22 is fixedly connected with a gear 24, and the sleeve 11 is close to the gear 24. A ring gear 25 is fixedly connected to the end of the gear 24, and the gear 24 is meshed with the ring gear 25 for transmission. The motor 22 is preferably a miniature waterproof motor. The reverse thread on the outside of the barrel 11 makes the two nuts 18 move toward each other, and makes the first connecting rod 20 and the second connecting rod 21 spread apart as a whole, and at the same time drives the rotating sleeve 19 to rotate together on the outside of the sleeve 11 as a whole. The rod 20 and the second connecting rod 21 are opened to disperse the large blood clots blocked on the outside of the sleeve 11, and to dredge the outside of the sleeve 11 in the suction tube 2. After the dredging is completed, the motor 22 is reversed. Rotate, so that the sleeve 11 rotates in the opposite direction, and at the same time, the two nuts 18 move away from each other, so that the first connecting rod 20 and the second connecting rod 21 are integrally closed on the outside of the sleeve 11, which does not affect the subsequent pumping.

In a further preferred solution, the outer side of the sliding sleeve 10 is fixedly connected to the fixing block 26 , and the sliding sleeve 10 is fixedly connected to the inner wall of the liquid suction pipe 2 through the fixing block 26 .

In a further preferred solution, the air extraction mechanism includes an air extraction pipe 3 , a vacuum pump 4 is arranged on the air extraction pipe 3 , and the air extraction pipe 3 communicates with the top of the liquid collecting tank 1 .

In a further preferred solution, the cleaning mechanism includes a water collection tank 6, the water collection tank 6 is arranged on one side of the liquid collection tank 1, the top of the water collection tank 6 is connected with a pipeline 28, the pipeline 28 is provided with a suction pump 5, and the water outlet end of the pipeline 28 extends into the tank. To the liquid collecting tank 1, the water outlet end of the pipeline 28 is connected with the nozzle assembly.

In a further preferred solution, the nozzle assembly includes an annular pipe 8 and several water distribution pipes 27, a number of inclined nozzles 7 are arranged in an annular array on the outer circumference of the annular pipe 8, one end of the several water distribution pipes 27 is communicated with the water outlet end of the pipeline 28, and several water distribution pipes 27 are provided. The other end is connected to the annular pipe 8. By starting the suction pump 5, the water in the water tank 6 is sprayed from the inclined nozzle 7 through the pipeline 28, the water distribution pipe 27 and the annular pipe 8, so as to realize the cleaning operation of the inner wall of the liquid collecting tank 1. .

In a further preferred solution, a liquid suction head 9 is detachably connected to the liquid inlet end of the liquid suction pipe 2, and the liquid suction head 9 can be disassembled and replaced to avoid cross infection.

The working principle of a drainage device for hepatobiliary surgery nursing of the present invention:

Before use, insert the liquid suction head 9 into the patient's body, start the vacuum pump 4, and generate negative pressure in the liquid collecting tank 1 and the liquid suction pipe 2, so as to drain the liquid in the body into the liquid suction pipe 2, and the liquid passes through the port 13. At the same time, the spring 15 is compressed between the first shoulder 16 and the second shoulder 17, the liquid continues to pass through the drainage tube from the outside of the sleeve 11, and enters the liquid collecting tank 1, the collection is realized. After the liquid extraction is completed, the vacuum pump 4 is disconnected, and there is no negative pressure in the liquid collection tank 1 and the liquid suction pipe 2. At this time, the ejector rod 14 is restored to its original position under the action of the spring 15, so that The ball 12 abuts against the port 13 to achieve blocking and prevent the residual liquid in the suction tube 2 from flowing back into the human body; in addition, during the suction process, when a large blood clot is drawn, it is blocked in the sleeve 11. When there is a space between the suction pipe 2 and the suction pipe 2, start the motor 22 to rotate forward, drive the sleeve 11 to rotate in the two sliding sleeves 10, and make the two nuts 18 move toward each other through the reverse thread on the outside of the sleeve 11, and make the first The first connecting rod 20 and the second connecting rod 21 are stretched as a whole, and at the same time, the rotating sleeve 19 is driven to rotate together on the outside of the sleeve 11 as a whole. The larger blood clots can be dissipated to realize the dredging of the outer side of the sleeve 11 in the suction tube 2. After the dredging is completed, the motor 22 is reversed, so that the sleeve 11 rotates in the opposite direction, and at the same time, the two nuts 18 are in phase. The first connecting rod 20 and the second connecting rod 21 are completely closed on the outside of the sleeve 11, and the subsequent liquid extraction is not affected; the liquid extraction and dredging can be carried out at the same time in the present invention, so as to avoid the blockage and re-pull the liquid extraction head 9 to dredge, reduce the pain of the patient, and prevent the patient from causing secondary injury; in addition, the present invention sprays the water in the water tank 6 from the inclined nozzle 7 through the pipeline 28, the water distribution pipe 27 and the annular pipe 8 by starting the pump 5. out, the cleaning operation of the inner wall of the liquid collecting tank 1 is realized.

In the description of the present invention, it should be understood that the terms "portrait", "horizontal", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention, rather than indicating or It is implied that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.

The above-mentioned embodiments are only to describe the preferred mode of the present invention, and do not limit the scope of the present invention. Without departing from the design spirit of the present invention, those of ordinary skill in the art can make various Variations and improvements should fall within the protection scope determined by the claims of the present invention.

Claims (6)

1. A drainage device for hepatobiliary surgery nursing, characterized in that: it comprises a liquid collection tank (1), the top of the liquid collection tank (1) is provided with a liquid pumping mechanism and an air pumping mechanism, and the liquid collection tank (1) One side is provided with a cleaning mechanism; The liquid suction mechanism includes a liquid suction pipe (2), two sliding sleeves (10) are fixedly connected in the liquid suction pipe (2), and an anti-backflow part and a dredging part are arranged in the two sliding sleeves (10). The dredging part includes a sleeve (11), the outer side of the sleeve (11) is provided with an extension assembly, the inner side of the sleeve (11) is provided with the anti-backflow part, and the outer side of the sleeve (11) is connected with The sliding sleeve (10) is rotatably connected, and the liquid suction pipe (2) is communicated with the top of the liquid collecting tank (1); The extension assembly includes a rotating sleeve (19) and nuts (18) symmetrically arranged on both sides of the rotating sleeve (19), the rotating sleeve (19) is rotatably connected to the outside of the sleeve (11), and the A reverse thread is provided outside the sleeve (11), the nut (18) is threadedly connected with the sleeve (11), and a plurality of annular arrays are arranged between the nut (18) and the rotating sleeve (19). a connecting piece, one end of the sleeve (11) is provided with a driving part; The connecting piece comprises a first connecting rod (20) and a second connecting rod (21), one end of the first connecting rod (20) is slidably connected with the second connecting rod (21), and the first connecting rod (21) (20) The other end is hinged with the nut (18), and the end of the second link (21) away from the first link (20) is hinged with the rotating sleeve (19); The anti-backflow part comprises a top rod (14), the sleeve (11) is sleeved with the top rod (14), and the top rod (14) penetrates through the sleeve (11) and is connected with the sleeve The cylinder (11) is slidably connected, one end of the top rod (14) is fixed with a ball (12), and the side of the top rod (14) close to the ball (12) is fixed with a first shoulder (16) , a second shoulder (17) is fixedly connected to the inner wall of one end of the sleeve (11) away from the ball (12), between the first shoulder (16) and the second shoulder (17) A spring (15) is provided, the outer diameter of the first shoulder (16) is smaller than the inner diameter of the inner wall of the sleeve (11), and a side of the suction pipe (2) close to the ball (12) is provided with a through port (13), the outer diameter of the ball (12) is larger than the inner diameter of the through port (13); The driving part comprises a motor (22) and a closed cavity (23), the closed cavity (23) is communicated with the inside of the liquid suction pipe (2), and the motor (22) is arranged in the closed cavity (23) Inside, a gear (24) is fixedly connected to the output end of the motor (22), an annular rack (25) is fixedly connected to the end of the sleeve (11) close to the gear (24), and the gear (24) ) meshes with the ring gear (25) for transmission. 2 . The drainage device for hepatobiliary surgery nursing according to claim 1 , wherein a fixing block ( 26 ) is fixedly connected to the outside of the sliding sleeve ( 10 ), and the sliding sleeve ( 10 ) passes through the fixing block. 3 . (26) is fixedly connected to the inner wall of the liquid suction pipe (2). 3. A drainage device for hepatobiliary surgery nursing according to claim 1, characterized in that: the air suction mechanism comprises an air suction pipe (3), and a vacuum pump (4) is arranged on the air suction pipe (3), and the The air pipe (3) is communicated with the top end of the liquid collecting tank (1). 4. A drainage device for hepatobiliary surgery nursing according to claim 1, characterized in that: the cleaning mechanism comprises a water collecting tank (6), and the water collecting tank (6) is arranged in the liquid collecting tank (1) On one side, a pipeline (28) is connected to the top of the water collecting tank (6), a suction pump (5) is arranged on the pipeline (28), and the water outlet end of the pipeline (28) extends into the collecting tank (28). In the liquid tank (1), the water outlet end of the pipeline (28) is connected with a nozzle assembly. 5. A drainage device for hepatobiliary surgery nursing according to claim 4, characterized in that: the nozzle assembly comprises an annular pipe (8) and a plurality of water distribution pipes (27), and the annular pipe (8) has a ring-shaped outer periphery. The array is provided with several inclined nozzles (7), one end of the several water distribution pipes (27) is connected with the water outlet end of the pipeline (28), and the other end of the several water distribution pipes (27) is connected to the annular pipe (8). 6 . The drainage device for hepatobiliary surgery nursing according to claim 1 , wherein a liquid suction head ( 9 ) is detachably connected to the liquid inlet end of the liquid suction pipe ( 2 ). 7 .

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