Drainage device

Abstract

The utility model discloses a drainage device in the technical field of medical instruments, which comprises a drainage tube, the right end of the drainage tube is connected with a piston mechanism, the right end of the piston mechanism is provided with a crank driving mechanism, the left end of the drainage tube is connected with a drainage bag, drainage holes are distributed on the drainage bag, and the crank driving mechanism is provided with a crank driving mechanism. The crank driving mechanism is arranged to be matched with the piston mechanism for use, so that a user can continuously conduct the drainage process only by rotating the rotating disc, the operation continuity is high, more labor is saved and more convenience is achieved during use, the dilation air bag is arranged on the drainage bag, and the dilation air bag is arranged on the drainage bag. The drainage bag is not prone to slipping in a hepatobiliary and pancreas internal working chamber, a gap is reserved between the drainage bag and the viscera body due to the expansion air bag, and the problem that during drainage, the surface layer of the viscera is adsorbed to the drainage holes in the drainage bag, and consequently a patient feels uncomfortable can be effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a drainage device. Background Art

[0002] Suction drainage technology (SD technology for short) is a device with suction power. It is often used by general surgery to effectively drain out inflammatory exudates, pus, blood, or digestive fluids that leak out of the digestive tract and have tissue-destroying effects from a certain part of the body, creating important conditions for curing diseases or preventing complications. In existing medical technologies, hepatobiliary drainage is to drain bile from the human body to the outside of the body through a drainage device to reduce the pressure in the bile system. The drainage tubes in the existing technology are too simple in structure and cannot effectively handle the drained fluid. The drainage effect is relatively poor, which increases the difficulty of work for medical staff. However, some electric suction devices currently used in clinical practice have the actual situation of too deep suction negative pressure.

[0003] The existing drainage device, like most existing drainage devices, uses piston suction for drainage. However, this method requires the user to repeatedly pull and pull the piston push rod, which is quite laborious and has low consistency. Long-term use will be very tiring. At the same time, the drainage tube in the traditional hepatobiliary drainage device only has the drainage bag body. Since the drainage bag is directly placed in the body, the suction directly acts on the liver and gallbladder, which will make the patient feel uncomfortable, and the drainage bag is also easy to slip.

[0004] Therefore, the utility model designs a drainage device to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a drainage device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a drainage device, comprising a drainage tube, the right end of the drainage tube is connected to a piston mechanism, the right end of the piston mechanism is provided with a crank drive mechanism, the left end of the drainage tube is connected to a drainage bag, the drainage bag is provided with drainage holes, an expansion air bag is fixedly provided in the middle of the drainage bag, the air inlet end of the expansion air bag is connected to an air inlet side tube, the air inlet side tube is bonded to the drainage tube as a whole, the right end of the air inlet side tube is connected to an inflation ball, the bottom end of the piston mechanism is provided with a connecting block, the bottom end of the connecting block is fixedly connected to a threaded cover, a liquid storage bottle is screwed on the threaded cover, and the liquid outlet pipe of the piston mechanism passes through the top of the threaded cover.

[0007] Preferably, the piston mechanism includes a piston cylinder, the right end of the piston cylinder is open, a piston plate is sealingly and slidably arranged in the inner cavity of the piston cylinder, a push-pull rod is hingedly connected to the middle part of the right end of the piston plate, a liquid inlet pipe is arranged at the left end of the piston cylinder, a liquid outlet pipe is arranged at the left side of the bottom end of the piston cylinder, and both the liquid inlet pipe and the liquid outlet pipe are provided with one-way ball valves.

[0008] Preferably, the crank drive mechanism includes a circular shell, a crank shaft is arranged in the middle of the inner cavity of the circular shell, and shaft connecting seats are arranged in the middle of the upper and lower ends of the inner cavity of the circular shell. The crank shaft is rotatably connected with two sets of shaft connecting seats, and the top end of the crank shaft passes through the upper shaft connecting seat and the top wall of the circular shell in sequence and is connected to a turntable. The crankshaft end of the crank shaft is movably sleeved with a connecting sleeve, and the connecting sleeve is fixedly connected to the end of the piston mechanism driving rod, and a through opening is opened in the left side wall of the circular shell.

[0009] Preferably, the expansion airbag includes an airbag mounting ring and an annular airbag, the airbag mounting ring is fixedly sleeved on the middle part of the drainage bag, and the annular airbag is fixedly mounted in an annular groove in the middle part of the airbag mounting ring.

[0010] Preferably, the liquid storage bottle comprises a circular bottle body, a threaded connection port is arranged on the top of the circular bottle body, and a size scale is arranged on the circular bottle body.

[0011] Preferably, a hand-grip plate is provided at the bottom end of the crank drive mechanism, and a wave-shaped protrusion is provided on the outer circle of the hand-grip plate.

[0012] A method for using a drainage device comprises the following steps:

[0013] S1, the first step is to place the disinfected drainage bag into the patient's body to drain the affected area, and then press the inflatable ball to inflate the expansion bag, replacing the drainage bag to directly contact the internal organs. The position of the drainage bag is effectively supported and is not easy to slip, and then start the next step.

[0014] S2, the second step, rotate the liquid storage bottle to make it threadedly connected with the threaded cap, and start the third step.

[0015] S3, the third step, the user holds the hand grip plate with one hand and rotates the turntable with the other hand. The turntable drives the crank shaft, and the crank shaft rotates to pull the push-pull rod to make reciprocating motion, thereby realizing the drainage effect of the piston mechanism. The fluid accumulated in the affected area is drained into the drainage tube through the drainage bag, and then finally enters the liquid storage bottle through the piston mechanism.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The utility model sets a crank drive mechanism and a piston mechanism for use, so that the user can continue the drainage process only by turning the turntable, the operation continuity is high, and it is more labor-saving and convenient to use.

[0018] 2. The utility model provides an expansion air bag on the drainage bag, so that the drainage bag is not easy to slip out of the internal working room of the liver, gallbladder and pancreas, and the expansion air bag allows a gap to be left between the drainage bag and the internal organs, which can effectively avoid the problem that the surface of the internal organs is adsorbed on the drainage holes on the drainage bag during drainage, causing discomfort to the patient. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 This is a schematic diagram of the front structure of the utility model;

[0021] Figure 2 It is a top view of the piston mechanism and crank drive mechanism of the utility model;

[0022] Figure 3 This is a schematic diagram of the piston mechanism structure of the utility model;

[0023] Figure 4 This is a schematic diagram of the crank drive mechanism structure of the utility model;

[0024] Figure 5 This is an enlarged schematic diagram of point A of the utility model;

[0025] Figure 6 This is a schematic diagram of the structure of the liquid storage bottle of the utility model;

[0026] Figure 7 This is a schematic diagram of the structure of the hand-held tray of the utility model.

[0027] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0028] 1-drainage tube, 2-piston mechanism, 3-crank drive mechanism, 4-drainage bag, 5-expansion air bag, 6-intake side tube, 7-inflating ball, 8-connecting block, 9-threaded cover, 10-liquid storage bottle, 11-hand grip plate, 201-piston cylinder, 202-piston plate, 203-push-pull rod, 204-liquid inlet pipe, 205-liquid outlet pipe, 206-one-way ball valve, 301-circular shell, 302-crank shaft, 303-shaft connecting seat, 304-turntable, 305-connecting sleeve, 306-through port, 51-air bag mounting ring, 52-ring-shaped air bag, 101-circular bottle body, 102-threaded connecting port, 103-size scale. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figure 1-7 The utility model provides a technical solution: a drainage device, including a drainage tube 1, a piston mechanism 2 is connected to the right end of the drainage tube 1, a crank drive mechanism 3 is arranged at the right end of the piston mechanism 2, a drainage bag 4 is connected to the left end of the drainage tube 1, drainage holes are distributed on the drainage bag 4, an expansion air bag 5 is fixedly arranged in the middle of the drainage bag 4, an air inlet end of the expansion air bag 5 is connected to an air inlet side tube 6, the air inlet side tube 6 is bonded to the drainage tube 1 as a whole, an inflatable ball 7 is connected to the right end of the air inlet side tube 6, a connecting block 8 is arranged at the bottom end of the piston mechanism 2, a threaded cover 9 is fixedly connected to the bottom end of the connecting block 8, a liquid storage bottle 10 is screwed on the threaded cover 9, and a liquid outlet pipe of the piston mechanism 2 passes through the top of the threaded cover 9.

[0031] Furthermore, the piston mechanism 2 includes a piston cylinder 201, the right end of the piston cylinder 201 is open, a piston plate 202 is sealingly and slidably arranged in the inner cavity of the piston cylinder 201, a push-pull rod 203 is hingedly connected to the middle part of the right end of the piston plate 202, a liquid inlet pipe 204 is arranged at the left end of the piston cylinder 201, a liquid outlet pipe 205 is arranged at the left side of the bottom end of the piston cylinder 201, and a one-way ball valve 206 is arranged on the liquid inlet pipe 204 and the liquid outlet pipe 204.

[0032] Furthermore, the crank drive mechanism 3 includes a circular shell 301, a crank shaft 302 is arranged in the middle of the inner cavity of the circular shell 301, and shaft connecting seats 303 are arranged in the middle of the upper and lower ends of the inner cavity of the circular shell 301. The crank shaft 302 is rotatably connected with two sets of shaft connecting seats 303. The top end of the crank shaft 302 passes through the upper shaft connecting seat 303 and the top wall of the circular shell 301 in sequence, and is connected to a turntable 304. The crankshaft end of the crank shaft 302 is movably sleeved with a connecting sleeve 305, and the connecting sleeve 305 is fixedly connected to the driving rod end of the piston mechanism 2. A through opening 306 is opened on the left side wall of the circular shell 301.

[0033] Furthermore, the expansion airbag 5 includes an airbag mounting ring 51 and an annular airbag 52 . The airbag mounting ring 51 is fixedly sleeved on the middle of the drainage bag 4 , and the annular airbag 52 is fixedly mounted in the annular groove in the middle of the airbag mounting ring 51 .

[0034] Furthermore, the liquid storage bottle 10 includes a circular bottle body 101 , a threaded connection port 102 is disposed on the top of the circular bottle body 101 , and a size scale 103 is disposed on the circular bottle body 101 .

[0035] Furthermore, a hand-grip plate 11 is provided at the bottom end of the crank driving mechanism 3 , and a wave-shaped protrusion is provided on the outer circle of the hand-grip plate 11 .

[0036] A specific application of this embodiment is: this device is a drainage device, and the safety ball 7 in this device is a common medical inflatable air bag, and the specific structure is consistent with the inflatable bag structure used in common blood pressure measuring instruments. The use process is as follows:

[0037] The first step is to place the disinfected drainage bag 4 into the patient's body to drain the affected area, and then press the inflatable ball 7, which makes the expansion balloon 5 expand, replacing the drainage bag 4 to directly contact the internal organs. The position of the drainage bag 4 is effectively supported and not easy to slip, and then the next step of operation is started.

[0038] The second step is to rotate the liquid storage bottle 10 so that it is threadedly connected with the threaded cover 9, and then start the third step.

[0039] In the third step, the user holds the hand-grip 11 with one hand and rotates the turntable 304 with the other hand. The turntable 304 drives the crank shaft 302. The crank shaft 302 rotates and pulls the push-pull rod 203 to perform reciprocating motion, thereby realizing the drainage effect of the piston mechanism 2. The fluid accumulated in the affected area is drained into the drainage tube 1 through the drainage bag 4, and then finally enters the liquid storage bottle 10 through the piston mechanism 2.

[0040] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0041] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A drainage device, characterized in that: include: A drainage tube (1) and a piston mechanism (2) connected to the right end of the drainage tube (1), and a crank drive mechanism (3) is provided at the right end of the piston mechanism (2); The left end of the drainage tube (1) is connected to a drainage bag (4), drainage holes are distributed on the drainage bag (4), and an expansion air bag (5) is fixedly arranged in the middle of the drainage bag (4); The air inlet end of the expansion airbag (5) is connected to an air inlet side tube (6), the air inlet side tube (6) and the drainage tube (1) are bonded together, and the right end of the air inlet side tube (6) is connected to an inflation ball (7); A connecting block (8) is arranged at the bottom end of the piston mechanism (2), a threaded cover (9) is fixedly connected to the bottom end of the connecting block (8), a liquid storage bottle (10) is screwed onto the threaded cover (9), and a liquid outlet pipe of the piston mechanism (2) passes through the top end of the threaded cover (9).

2. A drainage device according to claim 1, characterized in that: The piston mechanism (2) comprises a piston cylinder (201), the right end of the piston cylinder (201) is open, a piston plate (202) is sealingly and slidably arranged in the inner cavity of the piston cylinder (201), a push-pull rod (203) is hingedly connected to the middle part of the right end of the piston plate (202), a liquid inlet pipe (204) is arranged at the left end of the piston cylinder (201), and a liquid outlet pipe (205) is arranged on the left side of the bottom end of the piston cylinder (201), and both the liquid inlet pipe (204) and the liquid outlet pipe (205) are provided with a one-way ball valve (206).

3. A drainage device according to claim 1, characterized in that: The crank drive mechanism (3) comprises a circular shell (301), a crank shaft (302) is arranged in the middle of the inner cavity of the circular shell (301), shaft connecting seats (303) are arranged in the middle of the upper and lower ends of the inner cavity of the circular shell (301), the crank shaft (302) is rotatably connected to two groups of shaft connecting seats (303), the top end of the crank shaft (302) passes through the upper shaft connecting seat (303) and the top wall of the circular shell (301) in sequence, and is connected to a turntable (304), the crankshaft end of the crank shaft (302) is movably sleeved with a connecting sleeve (305), the connecting sleeve (305) is fixedly connected to the end of the driving rod of the piston mechanism (2), and a through opening (306) is opened on the left side wall of the circular shell (301).

4. A drainage device according to claim 1, characterized in that: The expansion airbag (5) comprises an airbag mounting ring (51) and an annular airbag (52); the airbag mounting ring (51) is fixedly sleeved on the middle part of the drainage bag (4); and the annular airbag (52) is fixedly mounted in an annular groove in the middle part of the airbag mounting ring (51).

5. A drainage device according to claim 1, characterized in that: The liquid storage bottle (10) comprises a circular bottle body (101), a threaded connection port (102) is arranged at the top of the circular bottle body (101), and a size scale (103) is arranged on the circular bottle body (101).

6. A drainage device according to claim 1, characterized in that: A hand grip plate (11) is provided at the bottom end of the crank drive mechanism (3), and a wave-shaped protrusion is provided on the outer circumference of the hand grip plate (11).

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