In-vitro drainage bag

By designing a liquid extrusion mechanism and anti-fold mechanism in the external drainage bag, the problem of manual extrusion operation and liquid sprinkling contamination is solved, and the effect of no liquid sprinkling during replacement is achieved, simplifying the operation and improving the cleaning effect.

CN222510571UActive Publication Date: 2025-02-21BEIJING SHIJITAN HOSPITAL CAPITAL MEDICAL UNIVERSITY
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Patent Information

Application Number
CN202421110213.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-21
Publication Date
2025-02-21
Estimated Expiration
2034-05-21

AI Technical Summary

Technical Problem

When replacing the existing external drainage bag, it is necessary to manually squeeze the residual liquid in the drainage tube, which is troublesome and time-consuming, and the liquid may spill randomly and cause contamination when not squeezed.

Method used

An external drainage bag is designed, including a liquid extrusion mechanism and a fold-proof mechanism. The liquid extrusion mechanism cleans the residual liquid in the drain pipe and the connecting pipe through the extrusion mechanism of two extrusion wheels to prevent the liquid from spilling out; the anti-folding mechanism reinforces the connecting pipe with the elastic core to avoid bending.

Benefits of technology

It realizes that no liquid is spilled out when replacing the external drainage bag, avoids contamination, simplifies operation, and improves the cleaning effect of the drain pipe and connection pipe.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of extracorporeal drainage bags, and discloses an extracorporeal drainage bag, which comprises an extracorporeal drainage bag, the extracorporeal drainage bag comprises a drainage bag body, a connecting tube, a connector, a liquid discharge tube and a discharge valve, the discharge valve is mounted at the bottom end of the drainage bag body, the connecting tube is mounted at the top end of the drainage bag body, and the connector is mounted at the bottom end of the drainage bag body. The other end of the connecting pipe is fixedly connected with the connector, the outer side of the connector is in interference fit with the liquid discharging pipe, and a liquid squeezing mechanism used for assisting the connecting pipe and the liquid discharging pipe in liquid discharging when the in-vitro drainage bag is replaced is installed on the connecting pipe. When the drainage bag body is replaced, liquid in the drainage pipe and the connecting pipe is cleaned and pressed into the drainage bag body through matched extrusion of the two extrusion wheels, when the drainage bag body is replaced, the liquid cannot be spilled out, pollution cannot be caused, the cleaning effect in the drainage pipe and the connecting pipe is improved, liquid residues in the drainage pipe and the connecting pipe are conveniently taken out, scattering is avoided, and operation is easy.
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Description

Technical Field

[0001] The utility model relates to the technical field of extracorporeal drainage bags, in particular to an extracorporeal drainage bag. Background Art

[0002] A drainage bag generally refers to a transparent plastic bag at the end of the drainage tube that is used to hold the drained fluid after surgery, during which bleeding, fluid accumulation, etc. deep inside the body or in a local area need to be drained out using a tube.

[0003] When replacing the extracorporeal drainage bag, according to the nursing operation requirements, the residual liquid in the drainage tube connected to the body needs to be discharged. In existing clinical practice, the residual liquid in the drainage tube is generally squeezed out manually by sliding, which is troublesome, time-consuming and laborious; if it is not squeezed, the residual liquid in the drainage tube will be separated from the connection tube of the drainage bag, and the liquid will spill and cause pollution.

[0004] In order to solve the above problems, an extracorporeal drainage bag is proposed in the present application. Utility Model Content

[0005] The utility model aims to provide an extracorporeal drainage bag to solve the problem of manually squeezing residual liquid in a drainage tube in the prior art proposed in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an extracorporeal drainage bag, comprising an extracorporeal drainage bag, the extracorporeal drainage bag comprising a drainage bag body, a connecting tube, a connecting head, a drainage tube and a discharge valve, the discharge valve being installed at the bottom end of the drainage bag body, the connecting tube being installed at the top end of the drainage bag body, the connecting head being fixedly connected to the other end of the connecting tube, the drainage tube being interference-fitted on the outside of the connecting head, a squeezing mechanism being installed on the connecting tube for assisting the connecting tube and the drainage tube in discharging liquid when replacing the extracorporeal drainage bag, and an anti-bending mechanism being installed on the outside of the connecting tube to reduce the occurrence of bending of the connecting tube;

[0007] The liquid squeezing mechanism includes a mounting shell, an extruding wheel, an elastic component and a limiting component. The mounting shell is sleeved on the outer side of the connecting tube, and two extruding wheels are installed on the inner side of the mounting shell. The rear end surface of the extruding wheel located at the bottom is rotatably connected to the mounting shell through a rotating shaft. The elastic component is installed on the inner side of the mounting shell, and one side of the elastic component is connected to the extruding wheel located at the top, and the limiting component is installed on the top of the mounting shell.

[0008] Furthermore, the elastic force component includes a pressure rod, a pressure block, a spring A and a connecting block. The pressure rod is slidably connected to the inner side of the top end of the mounting shell, the pressure block is fixedly connected to the top end of the pressure rod, the spring A is fixedly connected between the bottom end of the pressure block and the top end of the mounting shell, the bottom end of the pressure rod is fixedly connected to the connecting block, and the rear end surface of the connecting block is rotatably connected to the extrusion wheel located at the top end through a rotating shaft.

[0009] Furthermore, the spring A is arranged at a circumferential position of the pressure rod, the motion trajectory of the extrusion wheel at the top end is linear, the connecting tube is arranged on the motion trajectory of the extrusion wheel, and the outer side of the extrusion wheel is slidably connected to the connecting tube.

[0010] Furthermore, the limiting assembly includes a block A, a block B, a spring B, a slider and a shift block. The limiting assembly includes a block A, a block B, a spring B, a slider and a shift block. The block A is fixedly connected to the right side of the top of the mounting shell, and the block B is rotatably connected to the left side of the top of the mounting shell via a rotating shaft. A sliding groove is provided on the inner side of the block B, and the spring B is fixedly connected to the left end of the inner wall of the sliding groove, the slider is fixedly connected to the right end of the spring B, and the shift block is fixedly connected to the top of the slider.

[0011] Furthermore, a slot is provided at the left end of the stopper A, the movement trajectory of the slider is linear, the slot is arranged on the movement trajectory of the slider, and the outer side of the slider is slidably connected to the slot.

[0012] Furthermore, a shifting groove is provided at the top of the stopper B, the bottom end of the inner side wall of the shifting groove is communicated with the inner side wall of the slide groove, the shifting block is arranged on the inner side wall of the shifting groove, and the outer side of the shifting block is slidably connected with the shifting groove.

[0013] Furthermore, the anti-bending mechanism comprises a connecting sleeve and an elastic core, the connecting sleeve is bonded to the front end surface of the connecting tube, and the elastic core is fixedly connected to the inner side of the connecting sleeve.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model provides a liquid squeezing mechanism, and the two squeezing wheels cooperate to squeeze the liquid in the drainage tube, and the two squeezing wheels cooperate to press the residual liquid in the connecting tube into the drainage bag body. Finally, when the drainage bag body is replaced according to the nursing operation requirements, there is no liquid in the drainage tube and the connecting tube, and no liquid will be spilled or cause pollution. The cleaning effect of the drainage tube and the connecting tube is improved, and the residual liquid in the drainage tube and the connecting tube is convenient to remove to avoid spilling. The operation is simple. The block A, the block B and the slider are cooperatively arranged above the pressing block to avoid the situation where the connecting tube is closed due to accidental pressing of the pressing block.

[0016] 2. The utility model has an anti-bending mechanism, and the elastic core wrapped inside the connecting sleeve is used to assist in reinforcing and supporting the connecting pipe, so as to avoid the connecting pipe from bending and transitioning and being blocked. The elastic core is made of an elastic steel bar and has good toughness. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of an extracorporeal drainage bag of the utility model;

[0018] Figure 2 This is a schematic diagram of the installation structure of a liquid squeezing mechanism of an extracorporeal drainage bag of the utility model;

[0019] Figure 3 This is a schematic diagram of the installation structure of an elastic component of an extracorporeal drainage bag of the utility model;

[0020] Figure 4 This is a schematic diagram of the installation structure of a restriction component of an extracorporeal drainage bag of the utility model;

[0021] Figure 5 This is a schematic diagram of the installation structure of an anti-folding mechanism of an extracorporeal drainage bag of the utility model;

[0022] Figure 6 This is a three-dimensional diagram of the installation structure of a connection block of an extracorporeal drainage bag of the utility model;

[0023] Figure 7 The utility model is an extracorporeal drainage bag Figure 6 Schematic diagram of the structure at point A.

[0024] In the figure:

[0025] 1. Extracorporeal drainage bag; 11. Drainage bag body; 12. Connecting tube; 13. Connecting head; 14. Drainage tube; 15. Discharge valve;

[0026] 2. liquid squeezing mechanism; 21. mounting shell; 22. squeezing wheel; 23. elastic component; 231. pressure rod; 232. pressure block; 233. spring A; 234. connecting block; 24. limiting component; 241. stopper A; 242. stopper B; 243. spring B; 244. slider; 245. shifting block;

[0027] 3. Anti-bending mechanism; 31. Connecting sleeve; 32. Elastic core. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0029] The standard parts used in this application can all be purchased from the market, special-shaped parts can be customized according to the instructions and drawings, and the specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, and bonding in the existing technology.

[0030] At the same time, in order to clearly express the connection relationship and working principle between the components and highlight the key points, the drawings in the specification are organized and drawn in the form of simple diagrams. One simple diagram can correspond to a variety of materials and actual external structural shapes.

[0031] See also Figure 1-Figure 7 The utility model provides a technical solution: an extracorporeal drainage bag, comprising an extracorporeal drainage bag 1, the extracorporeal drainage bag 1 comprising a drainage bag body 11, a connecting tube 12, a connecting head 13, a drainage tube 14 and a discharge valve 15, the bottom end of the drainage bag body 11 is provided with a discharge valve 15, the top end of the drainage bag body 11 is provided with a connecting tube 12, the other end of the connecting tube 12 is fixedly connected with a connecting head 13, the outer side of the connecting head 13 is interference-fitted with a drainage tube 14, the connecting tube 12 is provided with a squeezing mechanism 2 for assisting the connecting tube 12 and the drainage tube 14 in discharging liquid when the extracorporeal drainage bag 1 is replaced, and the outer side of the connecting tube 12 is provided with an anti-bending mechanism 3 for reducing the bending of the connecting tube 12;

[0032] The squeezing mechanism 2 includes a mounting shell 21, a squeezing wheel 22, an elastic component 23 and a limiting component 24. The outer side of the connecting tube 12 is sleeved with the mounting shell 21, and two squeezing wheels 22 are installed inside the mounting shell 21. The rear end surface of the squeezing wheel 22 at the bottom is rotatably connected to the mounting shell 21 through a rotating shaft. The inner side of the mounting shell 21 is installed with an elastic component 23, and one side of the elastic component 23 is connected to the squeezing wheel 22 at the top. The limiting component 24 is installed at the top of the mounting shell 21. When the device is in use, the drainage tube 14 is connected to the human body after surgery, and then connected The head 13 is inserted into the drainage tube 14, and the connecting head 13 and the drainage tube 14 are interference fit. The liquid discharged from the drainage tube 14 enters the connecting tube 12 through the connecting head 13, and the discharged liquid enters the drainage bag body 11 through the connecting tube 12. Finally, the discharge valve 15 can be opened to discharge. When replacing the drainage bag body 11, the residual liquid in the drainage tube 14 needs to be pressed into the connecting tube 12, and the liquid in the connecting tube 12 is pressed into the drainage bag body 11 to avoid contamination. The residual liquid in the drainage tube 14 and the connecting tube 12 is squeezed out by the squeezing mechanism 2.

[0033] The elastic component 23 includes a pressure rod 231, a pressure block 232, a spring A233 and a connecting block 234. The pressure rod 231 is slidably connected to the inner side of the top of the mounting shell 21. The pressure block 232 is fixedly connected to the top of the pressure rod 231. The spring A233 is fixedly connected between the bottom end of the pressure block 232 and the top of the mounting shell 21. The bottom end of the pressure rod 231 is fixedly connected to the connecting block 234. The rear end surface of the connecting block 234 is rotatably connected to the extrusion wheel 22 at the top through a rotating shaft. The spring A233 is arranged on the circumference of the pressure rod 231. The movement track of the extrusion wheel 22 at the top is linear, the connecting tube 12 is arranged on the movement track of the extrusion wheel 22, the outer side of the extrusion wheel 22 is slidably connected with the connecting tube 12, the rightmost end of the installation shell 21 close to the discharge tube 14 is slidably mounted on the connecting tube 12, the right end of the installation shell 21 is clamped with the discharge tube 14 by the clamping member, so that the end of the discharge tube 14 close to the human body is closed, the index finger and the middle finger drag the bottom of the installation shell 21, the thumb presses the pressing block 232, the pressing block 232 is pressed to drive the pressing rod 231 downward, and the pressing The rod 231 drives the connecting block 234 downward, and the connecting block 234 drives the squeezing wheel 22 at the top to press down and flatten and deform the drain pipe 14. The two squeezing wheels 22 press the drain pipe 14, and then move the mounting shell 21 to one end of the connecting pipe 12. Then the squeezing wheel 22 rolls on the drain pipe 14, and the two squeezing wheels 22 cooperate to squeeze and clean the liquid in the drain pipe 14. The liquid in the drain pipe 14 enters the connecting pipe 12 through the connecting head 13, and the connecting head 13 is a hard connecting head. Then release the pressing block 23. 2. After the installation shell 21 is moved onto the connecting tube 12, the pressing block 232 is pressed again and moved toward the drainage bag body 11. The two squeezing wheels 22 cooperate to press the residual liquid in the connecting tube 12 into the drainage bag body 11. Finally, when the drainage bag body 11 is replaced according to the nursing operation requirements, there is no liquid in the drainage tube 14 and the connecting tube 12, and no liquid will be spilled or polluted, thereby improving the cleaning effect of the drainage tube 14 and the connecting tube 12 and facilitating the removal of the residual liquid in the drainage tube 14 and the connecting tube 12.

[0034] The limiting component 24 includes a block A241, a block B242, a spring B243, a slider 244 and a shift block 245. The limiting component 24 includes a block A241, a block B242, a spring B243, a slider 244 and a shift block 245. The block A241 is fixedly connected to the right side of the top of the mounting shell 21, and the block B242 is rotatably connected to the left side of the top of the mounting shell 21 through a rotating shaft. A sliding groove is provided on the inner side of the block B242, and a spring B243 is fixedly connected to the left end of the inner wall of the sliding groove. The slider 244 is fixedly connected to the right end of the spring B243, and the shift block 245 is fixedly connected to the top of the slider 244. A card slot is provided on the left end of the block A241, and the motion trajectory of the slider 244 is linear. The card slot is set on the motion trajectory of the slider 244, and the outer side of the slider 244 is slidably connected to the card slot. The top of the block B242 is provided with a shift block 245. The bottom end of the inner wall of the shift groove is connected to the inner wall of the slide groove, and the shift block 245 is arranged on the inner wall of the shift groove, and the outer side of the shift block 245 is slidably connected with the shift groove. When in use, the shift block 245 is shifted to drive the slider 244 to the left, and the slider 244 is separated from the slot of the block A241, and then the block B242 is rotated on the mounting shell 21, and the block B242 is away from the pressure block 232, which is convenient for pressing the pressure block 232. After use, the block B242 is turned back, and the shift block 245 is shifted to retract the slider 244, so that the slider 244 is aligned with the slot, and the spring B243 pushes the slider 244 to insert into the slot of the block A241, and limits the position of the block B242. The block A241, the block B242 and the slider 244 are cooperatively arranged above the pressure block 232 to avoid the situation where the connecting pipe 12 is closed due to the accidental pressing of the pressure block 232.

[0035] The anti-bending mechanism 3 includes a connecting sleeve 31 and an elastic core 32. The connecting sleeve 31 is bonded to the front end surface of the connecting tube 12, and the elastic core 32 is fixedly connected to the inner side of the connecting sleeve 31. The elastic core 32 wrapped inside the connecting sleeve 31 is used to assist in reinforcing and supporting the connecting tube 12 to prevent the connecting tube 12 from bending and transitioning and becoming blocked. The elastic core 32 is made of an elastic steel bar with good toughness.

[0036] Working principle:

[0037] When the device is in use, first, the drainage tube 14 is connected to the human body after the operation, and then the connecting head 13 is inserted into the drainage tube 14. The connecting head 13 and the drainage tube 14 have an interference fit, and the liquid discharged from the drainage tube 14 enters the connecting tube 12 through the connecting head 13, and the discharged liquid enters the drainage bag body 11 through the connecting tube 12, and finally the discharge valve 15 can be opened to discharge. When replacing the drainage bag body 11, it is necessary to press the residual liquid in the drainage tube 14 into the connecting tube 12, and the liquid in the connecting tube 12 is pressed into the drainage bag body 11 to avoid contamination. At this time, it is necessary to slide the mounting shell 21 on the connecting tube 12 close to the rightmost end of the drainage tube 14, and the right end of the mounting shell 21 is clamped to the drainage tube 14 by a clamping piece, so that the end of the drainage tube 14 close to the human body is closed, and then the shift block 245 is driven to drive the slider 244 to the left, and the slider 244 is separated from the slot of the stopper A241, and then the stopper B242 is rotated on the mounting shell 21, and the stopper B242 is away from the pressing block 2 32, then drag the bottom of the installation shell 21 with the index and middle fingers, and press the pressing block 232 with the thumb. The pressing block 232 is pressed down to drive the pressing rod 231 downward, and the pressing rod 231 drives the connecting block 234 downward, and the connecting block 234 drives the squeezing wheel 22 at the top to press and deform the drainage tube 14, and the two squeezing wheels 22 press the drainage tube 14 tightly, and then move the installation shell 21 to one end of the connecting tube 12, and then the squeezing wheel 22 rolls on the drainage tube 14, and the two squeezing wheels 22 cooperate to squeeze the liquid in the drainage tube 14 to clean the liquid, and the liquid in the drainage tube 14 enters the connecting tube 12 through the connecting head 13, and then release the pressing block 232, and after the installation shell 21 moves to the connecting tube 12, the pressing block 232 is pressed again and moved to the drainage bag body 11, and the two squeezing wheels 22 cooperate to press the residual liquid in the connecting tube 12 into the drainage bag body 11. In this way, when the drainage bag body 11 is replaced according to the nursing operation requirements, there is no liquid in the drainage tube 14 and the connecting tube 12.

[0038] As mentioned above, after replacing the new drainage bag body 11, connect the new connector 13 to the drainage tube 14 and loosen the clamping piece. The elastic core 32 wrapped on the inner side of the connecting sleeve 31 is used to assist in reinforcing and supporting the connecting tube 12 to prevent the connecting tube 12 from bending and transitioning and becoming blocked. The elastic core 32 is made of an elastic steel bar with good toughness. After use, turn the block B242 back, move the block 245 to retract the slider 244, so that the slider 244 is aligned with the slot, and the spring B243 pushes the slider 244 to insert into the slot of the block A241 to limit the position of the block B242. The block A241, the block B242 and the slider 244 are cooperatively arranged above the pressure block 232 to prevent the connection tube 12 from being closed due to accidental pressure on the pressure block 232.

[0039] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

Claims

1. An extracorporeal drainage bag, characterized in that: The invention comprises an extracorporeal drainage bag (1), wherein the extracorporeal drainage bag (1) comprises a drainage bag body (11), a connecting tube (12), a connecting head (13), a drainage tube (14) and a discharge valve (15); the discharge valve (15) is installed at the bottom end of the drainage bag body (11); the connecting tube (12) is installed at the top end of the drainage bag body (11); the other end of the connecting tube (12) is fixedly connected to the connecting head (13); the outer side of the connecting head (13) is interference-fitted with the drainage tube (14); the connecting tube (12) is installed with a liquid squeezing mechanism (2) for assisting the connecting tube (12) and the drainage tube (14) in discharging liquid when replacing the extracorporeal drainage bag (1); the outer side of the connecting tube (12) is installed with an anti-bending mechanism (3) for reducing the bending of the connecting tube (12); The liquid squeezing mechanism (2) comprises a mounting shell (21), an extrusion wheel (22), an elastic component (23) and a limiting component (24); the mounting shell (21) is sleeved on the outer side of the connecting tube (12); two extrusion wheels (22) are mounted on the inner side of the mounting shell (21); the rear end surface of the extrusion wheel (22) at the bottom end is rotatably connected to the mounting shell (21) via a rotating shaft; the elastic component (23) is mounted on the inner side of the mounting shell (21); one side of the elastic component (23) is connected to the extrusion wheel (22) at the top end; and the limiting component (24) is mounted on the top end of the mounting shell (21).

2. An extracorporeal drainage bag according to claim 1, characterized in that: The elastic component (23) comprises a pressure rod (231), a pressure block (232), a spring A (233) and a connecting block (234); the pressure rod (231) is slidably connected to the inner side of the top end of the mounting shell (21); the pressure block (232) is fixedly connected to the top end of the pressure rod (231); the spring A (233) is fixedly connected between the bottom end of the pressure block (232) and the top end of the mounting shell (21); the connecting block (234) is fixedly connected to the bottom end of the pressure rod (231); and the rear end surface of the connecting block (234) is rotatably connected to the extrusion wheel (22) located at the top end via a rotating shaft.

3. An extracorporeal drainage bag according to claim 2, characterized in that: The spring A (233) is arranged at a circumferential position of the pressure rod (231), the movement trajectory of the extrusion wheel (22) located at the top end is linear, the connecting tube (12) is arranged on the movement trajectory of the extrusion wheel (22), and the outer side of the extrusion wheel (22) is slidably connected to the connecting tube (12).

4. An extracorporeal drainage bag according to claim 2, characterized in that: The limiting assembly (24) comprises a block A (241), a block B (242), a spring B (243), a slider (244) and a shifting block (245). The limiting assembly (24) comprises a block A (241), a block B (242), a spring B (243), a slider (244) and a shifting block (245). The block A (241) is fixedly connected to the right side of the top of the mounting shell (21). The block B (242) is rotatably connected to the left side of the top of the mounting shell (21) via a rotating shaft. A sliding groove is provided inside the block B (242). The spring B (243) is fixedly connected to the left end of the inner wall of the sliding groove. The slider (244) is fixedly connected to the right end of the spring B (243). The shifting block (245) is fixedly connected to the top of the slider (244).

5. An extracorporeal drainage bag according to claim 4, characterized in that: A slot is provided at the left end of the stopper A (241); the movement track of the slider (244) is linear; the slot is arranged on the movement track of the slider (244); and the outer side of the slider (244) is slidably connected to the slot.

6. An extracorporeal drainage bag according to claim 5, characterized in that: The top of the stopper B (242) is provided with a shifting groove, the bottom end of the inner side wall of the shifting groove is communicated with the inner side wall of the slide groove, the shifting block (245) is arranged on the inner side wall of the shifting groove, and the outer side of the shifting block (245) is slidably connected with the shifting groove.

7. An extracorporeal drainage bag according to claim 1, characterized in that: The anti-bending mechanism (3) comprises a connecting sleeve (31) and an elastic core (32); the connecting sleeve (31) is bonded to the front end surface of the connecting tube (12); and the elastic core (32) is fixedly connected to the inner side of the connecting sleeve (31).