CN114470360A

CN114470360A - A drainage device for clinical care

Info

Publication number: CN114470360A
Application number: CN202210128648.1A
Authority: CN
Inventors: 石玉慧; 焦雪
Original assignee: China Japan Friendship Hospital
Current assignee: China Japan Friendship Hospital
Priority date: 2022-02-11
Filing date: 2022-02-11
Publication date: 2022-05-13

Abstract

The invention relates to the technical field of medical appliances and discloses a drainage device for clinical care, which comprises an outer barrel, wherein the left end in the outer barrel is movably provided with an inner barrel, the outer wall of the inner barrel is uniformly provided with control holes, the corresponding part of the outer barrel and the control holes is uniformly provided with liquid suction holes, the center of the right side of the inner barrel is connected with a drainage tube in a penetrating way, and the right end of the drainage tube extends to the outside of the outer barrel and is inserted in the drainage tube; when the drainage tube, the drainage tube and the inner tube are staggered, the accumulated liquid in the patient body can enter the inner tube through the liquid suction hole and the control hole, and then is discharged through the drainage tube and the drainage tube.

Description

A drainage device for clinical care

Technical Field

The invention relates to the technical field of medical appliances, in particular to a drainage device for clinical care.

Background

Thoracic surgery is a medical department, which mainly studies organs in the thoracic cavity, and after a patient is subjected to thoracic surgery, drainage is often needed to drain effusion in the thoracic cavity out of the body; in the prior art, a plurality of thoracic surgery patients need to carry the drainage device for a long time after operation, but the patient is inconvenient to move due to the long-term carrying of the drainage device, the drainage tube can fall off due to slight carelessness, and the pain of the patient is undoubtedly increased due to the reinsertion of the drainage tube;

for solving above-mentioned problem, chinese patent publication number is CN 204521729U's authorized patent proposes a drainage device, including body and drainage bag, the top of body is equipped with the cone, be equipped with drainage portion between cone and the body, be equipped with the elastic support post on the circumference of drainage portion outside between cone and the body, the rear end of body is provided with the rubber tube, the lower extreme of rubber tube is provided with the drainage bag, the lower extreme of drainage bag is equipped with the fluid-discharge tube, the drainage bag passes through the drainage tube and is connected with the rubber tube, the side of drainage tube still is equipped with the dredging pipe of intercommunication, the mark has the scale on the drainage bag, the lower extreme of drainage bag is equipped with the fluid-discharge tube, the lower extreme of fluid-discharge tube is connected with negative pressure stock solution chamber, be equipped with flowing back valve and one-way discharge valve on the negative pressure stock solution chamber. Scales are arranged on the drainage bag, so that numerical values can be conveniently recorded, and a handle is arranged at the upper part of the drainage bag, so that the drainage bag can be conveniently fixed, and the blockage, distortion, folding or separation of a pipeline can be prevented; the drainage bag is communicated with the negative pressure liquid storage cavity, so that a negative pressure environment is caused, and the drainage effect is improved; the drainage bag can effectively relieve the condensation phenomenon in the liquid flowing process.

Among the above-mentioned drainage device, through the setting of elastic support portion, though can avoid drainage device to drop, nevertheless in the in-service use we find, it still has certain weak point, for example:

the anti-falling effect of the drainage device is still poor, the drainage device can still displace due to the movement of a body, and meanwhile, the drainage device also has the anti-backflow effect, so that the backflow of accumulated liquid is easily caused;

based on this, we propose a drainage device for clinical care.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the drainage device for clinical care, which has the advantages of good fixing effect and backflow prevention.

(II) technical scheme

In order to realize the aim of the drainage device for clinical care, the invention provides the following technical scheme: a drainage device for clinical care comprises an outer barrel, wherein an inner barrel is movably arranged at the left end in the outer barrel, control holes are uniformly formed in the outer wall of the inner barrel, and liquid suction holes are uniformly formed in the positions, corresponding to the control holes, of the outer barrel;

the drainage tube is fixedly arranged at the right end of the outer barrel, and the tail end of the drainage tube is connected with a negative pressure device.

As a preferred technical scheme of the invention, an insertion rod is fixedly installed at the edge of the right side of the inner cylinder, the insertion rod is inserted into a positioning ring, and the positioning ring is fixedly installed on the inner wall of the outer cylinder;

the outer wall of inserted bar still overlaps and is equipped with first spring, first spring fixed connection is between inner tube and holding ring.

As a preferred technical scheme of the invention, two truncations are formed on the outer cylinder from left to right, a first elastic cushion is arranged at the left truncation, and a second elastic cushion is arranged at the right truncation;

the activity is provided with first gasbag ring on the inner wall of first cushion, the activity is provided with second gasbag ring on the inner wall of second cushion, sets up the control mechanism in the urceolus for the inflation and the shrink of control first gasbag ring and second gasbag ring.

As a preferable technical scheme of the present invention, the control mechanism includes a communicating pipe, an air cylinder and a piston, the first air bag ring and the second air bag ring are communicated with the air pipe through the communicating pipe, the air pipe traverses the inner wall of the outer cylinder, the right end of the air pipe is connected with the air cylinder in a through manner, and the inner wall of the air cylinder is movably provided with the piston.

As a preferable technical scheme of the invention, a push rod is fixedly arranged on the right side of the piston, the right end of the push rod penetrates through the air cylinder and the outer cylinder to extend to the outside of the outer cylinder and is movably connected with a threaded rotating ring, and the threaded rotating ring is in threaded connection with the outer wall of the liquid discharge pipe.

As a preferred technical scheme of the invention, the outer cylinder is divided into a left cylinder, a middle cylinder and a right cylinder by the two truncations, the left cylinder and the middle cylinder are fixedly connected through a first fixing rod, and the right cylinder and the middle cylinder are fixedly connected through a second fixing rod.

As a preferred technical scheme of the invention, the outer wall of the liquid discharge pipe is connected with a branch pipe in a penetrating way, the inner wall of the branch pipe is fixedly provided with a support ring, the top of the support ring is movably provided with a valve plug, and the top of the valve plug is fixedly connected with the inner top wall of the liquid discharge pipe through a second spring;

the bottom of valve plug has been seted up and has been erected the groove, the transverse groove has transversely been seted up at the top of erecting the groove, the transverse groove link up the valve plug and has seted up.

As a preferable technical scheme of the invention, the top of the valve plug is fixedly provided with a pull rod, and the top end of the pull rod extends to the outside of the liquid discharge pipe and is fixedly connected with a pull button.

As a preferred technical scheme of the invention, a side cavity is formed in the left side wall of the outer cylinder, a screw rod is rotatably arranged in the side cavity, a bearing is connected to the outer wall of the screw rod, and the bearing is fixedly mounted on the left side wall of the side cavity;

the outer wall threaded connection of lead screw has the screw, the screw slides and sets up on the gag lever post, gag lever post fixed mounting is on the left side wall in side chamber, the right side fixed mounting of screw has the control lever.

As a preferable technical scheme of the present invention, a rotating rod is fixedly installed at the left end of the screw rod, the rotating rod is arranged outside the outer cylinder, a stabbing cone is movably connected to the left end of the outer cylinder, and a rod groove corresponding to the rotating rod is formed in the outer wall of the stabbing cone.

(III) advantageous effects

Compared with the prior art, the invention provides a drainage device for clinical care, which has the following beneficial effects:

1. this a drainage device for clinical care, during the use, insert the internal hydrops department of patient with the urceolus earlier, then control negative pressure device operation, negative pressure device operation makes the fluid-discharge tube, produce the negative pressure in drainage tube and the inner tube, under the effect of negative pressure, the inner tube can move right and compress first spring, the control hole of its outer wall of inner tube that moves right can coincide with the imbibition hole of urceolus outer wall gradually, when both have the interlude, the internal hydrops of patient just can get into the inner tube through imbibition hole and control hole, then discharge through drainage tube and fluid-discharge tube, negative pressure device stop operation after the drainage is accomplished, the inner tube can resume the normal position under the spring action of first spring, the control hole also staggers mutually with the imbibition hole, thereby can prevent the hydrops backward flow.

2. This a drainage device for clinical care when carrying out the drainage to the thorax, inserts internal earlier the urceolus gradually to make first cushion be located one side of rib, the second cushion is located the opposite side of rib, then twists the screw rotating ring on moving the fluid-discharge tube, make screw rotating ring move towards urceolus department, just can be stable fix the position of urceolus, can enough prevent that the urceolus from droing and can prevent the urceolus from moving towards internal.

3. This a drainage device for clinical care, it can drive the push rod removal to twist the screw thread swivel becket, the push rod removes and promotes the piston and removes, the piston removes and can pass through the trachea with the air in the inflator and fill into first gasbag ring and second gasbag ring, make first gasbag ring and the inflation of second gasbag ring swell, the first gasbag ring and the inflation of inflation swell can jack-up first cushion and second cushion, make first cushion and second cushion evenly expand in the both sides of rib respectively, thereby fix the position of urceolus, can enough prevent that the urceolus from droing and can prevent that the urceolus from moving towards internal damage organ.

4. This a drainage device for clinical care, drainage play's hydrops are discharged via the fluid-discharge tube, upwards pull up the knob and can make the valve plug rebound, and the second spring is compressed this moment, and behind the valve plug rebound, one of them part of hydrops that flow in the fluid-discharge tube just can be discharged from the branch pipe through horizontal slot and perpendicular groove to, can carry out the sample detection to the hydrops in the patient body at any time, improved work efficiency.

5. This a drainage device for clinical care takes off the exposed dwang that exposes of thorn awl, can twist this moment and move the dwang and make the lead screw rotatory, and the lead screw is rotatory to be driven the screw and is removed about, when the screw moved right, just can promote the inner tube right, need not the effect of negative pressure and just can make the control hole on the inner tube coincide with the imbibition hole on the urceolus, is convenient for carry out the back flush to whole drainage device this moment, keeps drainage device's cleanness.

6. This a drainage device for clinical care, during the back flush, with the flush fluid from the branch pipe let in can, the flush fluid jack-up valve plug that lets in the branch pipe gets into the fluid-discharge tube through erecting groove and cross slot, then via drainage tube and inner tube from control hole and imbibition hole discharge, can carry out the omnidirectional to drainage device and wash, clean more convenience that gets up, improved medical personnel's work efficiency.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the overall structure of the present invention;

FIG. 3 is an elevational, cross-sectional view of the overall structure of the present invention;

FIG. 4 is an enlarged view taken at A of FIG. 3 in accordance with the present invention;

FIG. 5 is a cross-sectional view of a portion of the inner barrel of the present invention;

FIG. 6 is an enlarged schematic view of a portion of the cartridge of the present invention;

FIG. 7 is a cross-sectional view of a portion of the cartridge of the present invention;

FIG. 8 is a cross-sectional view of a drain portion of the present invention;

FIG. 9 is a cross-sectional view of a manifold portion of the present invention;

fig. 10 is an enlarged schematic view of a screw part of the present invention.

In the figure: 1. an outer cylinder; 2. an inner barrel; 3. a drainage tube; 4. a liquid discharge pipe; 5. inserting a rod; 6. a positioning ring; 7. a first spring; 8. a control hole; 9. a liquid suction hole; 10. a first elastic pad; 11. a second elastic pad; 12. a first balloon ring; 13. a second balloon ring; 14. a communicating pipe; 15. an air tube; 16. an air cylinder; 17. a piston; 18. a push rod; 19. a threaded rotating ring; 20. a first fixing lever; 21. a second fixing bar; 22. a branch pipe; 23. a ring; 24. a valve plug; 25. a vertical slot; 26. a transverse groove; 27. a pull rod; 28. pulling the button; 29. a second spring; 30. a stabbing awl; 31. a lateral cavity; 32. a screw rod; 33. a bearing; 34. rotating the rod; 35. a rod groove; 36. a nut; 37. a limiting rod; 38. a control lever.

Detailed Description

The first embodiment is as follows:

referring to fig. 1-5, a drainage device for clinical care includes an outer cylinder 1, an inner cylinder 2 is movably disposed at the left end inside the outer cylinder 1, control holes 8 are uniformly formed in the outer wall of the inner cylinder 2, liquid suction holes 9 are uniformly formed at the positions of the outer cylinder 1 corresponding to the control holes 8, when the control holes 8 are staggered with the liquid suction holes 9, the accumulated liquid outside the outer cylinder 1 cannot enter, the accumulated liquid inside the inner cylinder 2 cannot be discharged, and when the control holes 8 are coincident with the liquid suction holes 9, the accumulated liquid outside the outer cylinder 1 can enter the inner cylinder 2 through the control holes 8 and the liquid suction holes 9;

the center of the right side of the inner barrel 2 is connected with a drainage tube 3 in a penetrating way, the right end of the drainage tube 3 extends to the outside of the outer barrel 1 and is inserted into a drainage tube 4, the drainage tube 4 is fixedly arranged at the right end of the outer barrel 1, and the tail end of the drainage tube 4 is connected with a negative pressure device which is a liquid suction pump in the embodiment;

as shown in fig. 4, an insertion rod 5 is fixedly installed at the edge of the right side of the inner cylinder 2, the insertion rod 5 is inserted into a positioning ring 6, the positioning ring 6 is fixedly installed on the inner wall of the outer cylinder 1, a first spring 7 is further sleeved on the outer wall of the insertion rod 5, and the first spring 7 is fixedly connected between the inner cylinder 2 and the positioning ring 6;

during the use, earlier with urceolus 1 insertion patient's internal hydrops department, then control negative pressure device operation, negative pressure device operation makes fluid-discharge tube 4, produce the negative pressure in drainage tube 3 and the inner tube 2, under the effect of negative pressure, inner tube 2 can move right and compress first spring 7, the control hole 8 of its outer wall of inner tube 2 that moves right can coincide with the imbibition hole 9 of urceolus 1 outer wall gradually, when two have the mistake, the hydrops in the patient just can get into inner tube 2 through imbibition hole 9 and control hole 8, then discharge through drainage tube 3 and fluid-discharge tube 4, negative pressure device stop the operation after the drainage is accomplished, inner tube 2 can resume the normal position under the elastic force effect of first spring 7, control hole 8 also is wrong with imbibition hole 9, thereby can prevent the hydrops backward flow.

Example two:

referring to fig. 6 and 7, on the basis of the first embodiment, two cut-off portions are formed on the outer cylinder 1 on the left and right sides, a first elastic cushion 10 is arranged at the cut-off portion on the left side, a second elastic cushion 11 is arranged at the cut-off portion on the right side, a first airbag ring 12 is movably arranged on the inner wall of the first elastic cushion 10, a second airbag ring 13 is movably arranged on the inner wall of the second elastic cushion 11, and a control mechanism is arranged in the outer cylinder 1 and used for controlling the expansion and contraction of the first airbag ring 12 and the second airbag ring 13;

in this embodiment, please refer to fig. 6 and 7, the control mechanism includes a communicating pipe 14, an air pipe 15, an air cylinder 16 and a piston 17, the first air bag ring 12 and the second air bag ring 13 are communicated with the air pipe 15 through the communicating pipe 14, the air pipe 15 traverses the outer cylinder 1, the right end of the air pipe 15 is connected with the air cylinder 16 in a penetrating way, the inner wall of the air cylinder 16 is movably provided with the piston 17, the right side of the piston 17 is fixedly provided with a push rod 18, the right end of the push rod 18 passes through the air cylinder 16 and the outer cylinder 1 to extend to the outside of the outer cylinder 1 and is movably connected with a threaded rotating ring 19, and the threaded rotating ring 19 is connected to the outer wall of the liquid discharge pipe 4 in a threaded way;

when the thoracic cavity is drained, the outer barrel 1 is gradually inserted into the body, the first elastic cushion 10 is positioned on one side of the rib, the second elastic cushion 11 is positioned on the other side of the rib, and then the threaded rotating ring 19 on the liquid discharge pipe 4 is screwed to move the threaded rotating ring 19 towards the outer barrel 1, so that the position of the outer barrel 1 can be stably fixed, and the outer barrel 1 can be prevented from falling off and the outer barrel 1 can be prevented from moving towards the body;

specifically, the method comprises the following steps: screwing the threaded rotating ring 19 can drive the push rod 18 to move, the push rod 18 moves to push the piston 17 to move, the piston 17 moves to enable air in the air cylinder 16 to be filled into the first air bag ring 12 and the second air bag ring 13 through the air pipe 15 and the communicating pipe 14, the first air bag ring 12 and the second air bag ring 13 are enabled to be expanded and bulged, the expanded and bulged first air bag ring 12 and the second air bag ring 13 can jack the first elastic cushion 10 and the second elastic cushion 11, and the first elastic cushion 10 and the second elastic cushion 11 are respectively and uniformly expanded on two sides of the rib, so that the position of the outer cylinder 1 is fixed, the outer cylinder 1 can be prevented from falling off, and the outer cylinder 1 can be prevented from moving towards the inside of the body to damage organs;

as shown in fig. 2, the outer tube 1 is divided into a left tube, a middle tube and a right tube by cutting at two positions, the left tube is fixedly connected with the middle tube through a first fixing rod 20, one end of the first fixing rod 20 is fixedly arranged on the outer wall of the positioning ring 6, the other end of the first fixing rod 20 is fixedly arranged on the inner wall of the middle tube, the right tube is fixedly connected with the middle tube through a second fixing rod 21, one end of the second fixing rod 21 is fixedly arranged on the outer wall of the air tube 16, the other end of the second fixing rod is fixedly arranged on the inner wall of the middle tube, and therefore, the left tube, the middle tube and the right tube can be stably connected through the first fixing rod 20 and the second fixing rod 21, and further the first elastic pad 10 and the second elastic pad 11 are kept in a stable relaxation state.

Example three:

referring to fig. 8-10, on the basis of the first or second embodiment, the outer wall of the liquid discharge pipe 4 is connected with a branch pipe 22 in a penetrating manner, a supporting ring 23 is fixedly mounted on the inner wall of the branch pipe 22, a valve plug 24 is movably arranged on the top of the supporting ring 23, the top of the valve plug 24 is fixedly connected with the inner top wall of the liquid discharge pipe 4 through a second spring 29, a vertical groove 25 is formed at the bottom of the valve plug 24, a horizontal groove 26 is transversely formed at the top of the vertical groove 25, the horizontal groove 26 is formed by penetrating through the valve plug 24, a pull rod 27 is fixedly mounted on the top of the valve plug 24, and the top end of the pull rod 27 extends to the outside of the liquid discharge pipe 4 and is fixedly connected with a pull button 28;

the drained accumulated liquid is discharged through the liquid discharge pipe 4, the pull button 28 is pulled upwards to enable the valve plug 24 to move upwards, the second spring 29 is compressed, and after the valve plug 24 moves upwards, a part of the accumulated liquid flowing out of the liquid discharge pipe 4 can be discharged from the branch pipe 22 through the transverse groove 26 and the vertical groove 25, so that the accumulated liquid in a patient can be sampled and detected at any time, and the working efficiency is improved;

a side cavity 31 is formed in the left side wall of the outer cylinder 1, a screw rod 32 is rotatably arranged in the side cavity 31, a bearing 33 is connected to the outer wall of the screw rod 32, the bearing 33 is fixedly installed on the left side wall of the side cavity 31, and the position of the screw rod 32 is fixed through the bearing 33, so that the rotation of the screw rod 32 is more stable;

the outer wall of the screw rod 32 is in threaded connection with a nut 36, the nut 36 is arranged on a limiting rod 37 in a sliding mode, the limiting rod 37 is fixedly installed on the left side wall of the side cavity 31, the nut 36 is arranged on the limiting rod 37 in a sliding mode to limit rotation of the nut 36, and the nut 36 can only move in a left-right translation mode under the driving of the screw rod 32;

a control rod 38 is fixedly arranged on the right side of the screw nut 36, a rotating rod 34 is fixedly arranged on the left end of the screw rod 32, the rotating rod 34 is arranged outside the outer cylinder 1, a stabbing cone 30 is movably connected to the left end of the outer cylinder 1, and a rod groove 35 corresponding to the rotating rod 34 is formed in the outer wall of the stabbing cone 30;

the stabbing cone 30 is taken down to expose the rotating rod 34, the rotating rod 34 can be screwed to enable the screw rod 32 to rotate, the screw rod 32 rotates to drive the screw nut 36 to move left and right, when the screw nut 36 moves right, the inner cylinder 2 can be pushed rightwards, the control hole 8 in the inner cylinder 2 can be coincided with the liquid suction hole 9 in the outer cylinder 1 without the action of negative pressure, and at the moment, the whole drainage device can be conveniently backwashed, so that the cleanness of the drainage device is kept;

during back flushing, flushing liquid is introduced from the branch pipe 22, the flushing liquid introduced into the branch pipe 22 jacks up the valve plug 24 and enters the liquid discharge pipe 4 through the vertical groove 25 and the transverse groove 26, and then is discharged from the control hole 8 and the liquid suction hole 9 through the drainage pipe 3 and the inner cylinder 2, so that the drainage device can be flushed in all directions, the cleaning is more convenient, and the working efficiency of medical personnel is improved;

in this embodiment, the stabbing cone 30 can be magnetically attached to the outer cylinder 1, or can be adhesively attached to the outer cylinder 1, and the stabbing cone 30 can be shaped as desired, flat or pointed, so as to pierce into the drainage site.

The working principle and the using process of the invention are as follows:

when the drainage device is used, the outer cylinder 1 is inserted into a hydrops position in a patient body, then the operation of the negative pressure device is controlled, the negative pressure device operates to enable negative pressure to be generated in the drainage tube 4, the drainage tube 3 and the inner cylinder 2, under the action of the negative pressure, the inner cylinder 2 can move rightwards and compress the first spring 7, the control hole 8 in the outer wall of the rightwards inner cylinder 2 can be gradually overlapped with the liquid suction hole 9 in the outer wall of the outer cylinder 1, when the two are staggered, the hydrops in the patient body can enter the inner cylinder 2 through the liquid suction hole 9 and the control hole 8 and then can be discharged through the drainage tube 3 and the drainage tube 4, after drainage is completed, the operation of the negative pressure device stops, the inner cylinder 2 can restore to the original position under the elastic action of the first spring 7, and the control hole 8 and the liquid suction hole 9 are also staggered, so that the hydrops can be prevented from flowing back;

screwing the threaded rotating ring 19 can drive the push rod 18 to move, the push rod 18 moves to push the piston 17 to move, the piston 17 moves to enable air in the air cylinder 16 to be filled into the first air bag ring 12 and the second air bag ring 13 through the air pipe 15 and the communicating pipe 14, the first air bag ring 12 and the second air bag ring 13 are enabled to be expanded and bulged, the expanded and bulged first air bag ring 12 and the second air bag ring 13 can jack the first elastic cushion 10 and the second elastic cushion 11, and the first elastic cushion 10 and the second elastic cushion 11 are respectively and uniformly expanded on two sides of the rib, so that the position of the outer cylinder 1 is fixed, the outer cylinder 1 can be prevented from falling off, and the outer cylinder 1 can be prevented from moving towards the inside of the body to damage organs;

during the back flush, with the flush fluid from branch pipe 22 the department let in can, the flush fluid jack-up valve plug 24 that lets in the branch pipe 22 and through erecting groove 25 and horizontal groove 26 entering fluid-discharge tube 4, then discharge from control hole 8 and imbibition hole 9 via drainage tube 3 and inner tube 2, can carry out the omnidirectional to drainage device and wash, clean more convenience that gets up, improved medical personnel's work efficiency.

Claims

1. A drainage device for clinical care, includes urceolus (1), its characterized in that: an inner barrel (2) is movably arranged at the left end in the outer barrel (1), control holes (8) are uniformly formed in the outer wall of the inner barrel (2), and liquid suction holes (9) are uniformly formed in the positions, corresponding to the control holes (8), of the outer barrel (1);

the drainage tube (3) is connected to the center of the right side of the inner tube (2) in a penetrating mode, the right end of the drainage tube (3) extends to the outside of the outer tube (1) and is inserted into the drainage tube (4), the drainage tube (4) is fixedly installed at the right end of the outer tube (1), and the tail end of the drainage tube (4) is connected with a negative pressure device.

2. A drainage device for clinical care according to claim 1, characterized in that: an inserting rod (5) is fixedly installed at the edge of the right side of the inner barrel (2), the inserting rod (5) is inserted into a positioning ring (6), and the positioning ring (6) is fixedly installed on the inner wall of the outer barrel (1);

the outer wall of inserted bar (5) still overlaps and is equipped with first spring (7), first spring (7) fixed connection is between inner tube (2) and holding ring (6).

3. A drainage device for clinical care according to claim 1, characterized in that: two cuts are formed on the left side and the right side of the outer cylinder (1), a first elastic pad (10) is arranged at the left cut, and a second elastic pad (11) is arranged at the right cut;

the utility model discloses an activity is provided with first gasbag ring (12) on the inner wall of first cushion (10), the activity is provided with second gasbag ring (13) on the inner wall of second cushion (11), sets up the control mechanism in urceolus (1) for the inflation and the shrink of control first gasbag ring (12) and second gasbag ring (13).

4. A drainage device for clinical care according to claim 3, characterized in that: the control mechanism comprises a communicating pipe (14), an air pipe (15), an air cylinder (16) and a piston (17), the first air bag ring (12) and the second air bag ring (13) are communicated with the air pipe (15) through the communicating pipe (14), the air pipe (15) traverses in the outer cylinder (1), the right end of the air pipe (15) is connected with the air cylinder (16) in a penetrating manner, and the piston (17) is movably arranged on the inner wall of the air cylinder (16).

5. A drainage device for clinical care according to claim 4, characterized in that: the right side of piston (17) is fixed with push rod (18), the right-hand member of push rod (18) passes inflator (16) and urceolus (1) and extends to the outside of urceolus (1) and swing joint has screw thread rotating ring (19), screw thread rotating ring (19) threaded connection is on the outer wall of fluid-discharge tube (4).

6. A drainage device for clinical care according to claim 3, characterized in that: the outer barrel (1) is divided into a left barrel, a middle barrel and a right barrel by the cutting-off at two positions, the left barrel is fixedly connected with the middle barrel through a first fixing rod (20), and the right barrel is fixedly connected with the middle barrel through a second fixing rod (21).

7. A drainage device for clinical care according to claim 1, characterized in that: the outer wall of the liquid discharge pipe (4) is connected with a branch pipe (22) in a penetrating manner, the inner wall of the branch pipe (22) is fixedly provided with a supporting ring (23), the top of the supporting ring (23) is movably provided with a valve plug (24), and the top of the valve plug (24) is fixedly connected with the inner top wall of the liquid discharge pipe (4) through a second spring (29);

vertical groove (25) have been seted up to the bottom of valve plug (24), horizontal groove (26) have transversely been seted up at the top of vertical groove (25), horizontal groove (26) link up valve plug (24) and set up.

8. A drainage device for clinical care according to claim 8, characterized in that: the top fixed mounting of valve plug (24) has pull rod (27), the top of pull rod (27) extends to the outside of fluid-discharge tube (4) and fixedly connected with draws button (28).

9. A drainage device for clinical care according to claim 8, characterized in that: a side cavity (31) is formed in the left side wall of the outer cylinder (1), a screw rod (32) is rotatably arranged in the side cavity (31), a bearing (33) is connected to the outer wall of the screw rod (32), and the bearing (33) is fixedly mounted on the left side wall of the side cavity (31);

the outer wall threaded connection of lead screw (32) has screw (36), screw (36) slide to set up on gag lever post (37), gag lever post (37) fixed mounting is on the left side wall of side chamber (31), the right side fixed mounting of screw (36) has control lever (38).

10. A drainage device for clinical care according to claim 9, characterized in that: the left end fixed mounting of lead screw (32) has dwang (34), dwang (34) set up the outside at urceolus (1), the left end swing joint of urceolus (1) has thorn awl (30), the outer wall of thorn awl (30) seted up with corresponding pole groove (35) of dwang (34).