Abdominal drainage bag with anti-reflux device

Abstract

The utility model discloses an abdominal guide bag with an anti-backflow device, and relates to the technical field of abdominal guide bags. The infusion bag comprises a bag body, a liquid inlet pipe and a liquid outlet pipe, the top end of the bag body is connected with the liquid inlet pipe in a penetrating mode, the bottom end of the bag body is connected with the liquid outlet pipe in a penetrating mode, an anti-backflow device is arranged in the liquid inlet pipe, the liquid outlet pipe is provided with an opening and closing valve, and the opening and closing valve comprises a valve seat, an opening and closing piece and a first spring; the valve seat is provided with a plurality of clamping rods, the clamping rods are matched with the bayonets, the liquid outlet pipe penetrates through the valve seat, the anti-backflow device comprises a base, a second spring, a diaphragm and a closing piece, the base is provided with a circulation opening, the closing piece is connected with the closing piece through the second spring, and the closing piece blocks the inner side of the diaphragm. The opening and closing valve is optimized, so that the opening and closing valve does not need to be pressed continuously during liquid discharging, and is kept to be opened continuously by adopting simple clamping and embedding type limiting; furthermore, the staggered gears of the flowing opening and the inner wall of the liquid outlet pipe are arranged, and the discharging speed is indirectly controlled.

Description

Technical Field

[0001] The utility model relates to the technical field of abdominal drainage bags, in particular to an abdominal drainage bag with an anti-backflow device. Background Art

[0002] The puncture and drainage of pleural and abdominal effusion is widely used in surgical treatment and palliative treatment of tumors due to its advantages of small wound, less pain and quick recovery. It usually adopts a method of using a puncture trocar and a drainage tube. Specifically, the puncture trocar is first inserted into the thoracic and abdominal cavity to establish a channel, and then the drainage tube is implanted to drain the pleural and abdominal effusion. The drained pleural and abdominal effusion is collected by an abdominal drainage bag;

[0003] When using a traditional abdominal drainage bag, it is necessary to ensure that the position of the abdominal drainage bag is not higher than the wound to prevent backflow infection. Most abdominal drainage bags do not have the function of preventing backflow. The traditional liquid outlet is usually equipped with a press-type valve body structure. When using this structure, it is necessary to keep pressing to ensure that the liquid in the bag continues to flow out, which is inconvenient. Utility Model Content

[0004] The utility model provides a abdominal drainage bag with an anti-backflow device, which overcomes the shortcomings described in the background technology.

[0005] The technical solution adopted by the utility model to solve its technical problem is:

[0006] A abdominal drainage bag with an anti-backflow device comprises a bag body, a liquid inlet pipe and a liquid outlet pipe, the top end of the bag body is connected with the liquid inlet pipe, the bottom end of the bag body is connected with the liquid outlet pipe, the liquid inlet pipe is provided with an anti-backflow device, the liquid outlet pipe is provided with an opening and closing valve, the opening and closing valve comprises a valve seat, an opening and closing member, and a first spring, the opening and closing member is nested in the valve seat, and the valve seat is provided with a first spring elastically connected to the opening and closing member, the opening and closing member is provided with a flow port and a plurality of bayonet ports, the valve seat is provided with a plurality of clamping rods, the clamping rods are matched with the bayonet ports, the liquid outlet pipe passes through the valve seat, the anti-backflow device comprises a base, a second spring, a diaphragm and a closing member, the base is provided with a flow port, the closing member is connected with the closing member through the second spring, and the closing member blocks the inner side of the diaphragm.

[0007] A better technical solution: two bayonet ports are provided, and are provided at the top and bottom of the opening and closing member. Multiple bayonet ports can be provided, and the length of the opening and closing member and the valve seat can be reasonably set according to the number of bayonet ports. Multiple bayonet ports enable the opening and closing valve to have multiple gears. In addition to the flow port being completely located on the inner wall of the liquid outlet pipe (the flow speed depends on the size of the flow port) and the flow port not being located on the inner wall of the liquid outlet pipe (in this case, the opening and closing member will close the liquid inlet pipe), a gear position where the flow port and the inner wall of the liquid outlet pipe are staggered can also be set. After adjustment, the position is also limited by the cooperation of the clamp rod and the bayonet port. By setting multiple gears, the required flow speed can be set according to demand, thereby improving the use demand.

[0008] A better technical solution: A hanging belt is arranged on the top of the bag body to facilitate hanging the abdominal induction bag on a rack.

[0009] A better technical solution: scale lines are set on the surface of the bag body to facilitate reading the volume of liquid in the bag body.

[0010] A preferred technical solution: A regulating valve is provided on the outer sleeve of the liquid inlet pipe, and the regulating valve is used to control the liquid inlet speed.

[0011] A better technical solution: A clip is provided at the side end of the bag body, and the clip is used to temporarily fix the side end of the bag body.

[0012] A better technical solution: A connector is provided at the end of the liquid inlet tube, and the connector is used to connect to the wound position of the patient for drainage.

[0013] A better technical solution: a scale line is set on the liquid inlet pipe.

[0014] By adopting the above technical solution, the beneficial effects of the utility model are:

[0015] The utility model prevents the liquid in the bag body or the liquid inlet pipe from flowing back by arranging the anti-backflow device, thereby ensuring that the liquid is introduced into the abdominal induction bag in one direction.

[0016] The utility model optimizes the opening and closing valve so that the opening and closing valve does not need to be continuously pressed when discharging liquid. A simple card-embedded limiter is adopted to keep the opening and closing valve continuously open, and the use cost is low. Furthermore, staggered gears are set between the flow port and the inner wall of the liquid outlet pipe to indirectly control the discharge speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the internal structure of the opening and closing valve;

[0020] Figure 3 This is a schematic diagram of the state of the opening and closing valve when it is fully flowing;

[0021] Figure 4 It is a schematic diagram of the state of partial flow of the opening and closing valve;

[0022] Figure 5 This is a schematic diagram of the structure of the backflow prevention device.

[0023] Description of main reference numerals:

[0024] 1. Bag body; 11. Graduation mark; 2. Hanging belt; 3. Liquid inlet pipe; 31. Connector; 32. Regulating valve; 4. Liquid outlet assembly; 41. Liquid outlet pipe; 42. Opening and closing valve; 421. Valve seat; 422. Opening and closing member; 4221. Flow port; 4222. First bayonet; 4223. Second bayonet; 423. First spring; 424. First clamping rod; 425. Second clamping rod; 5. Anti-backflow device; 51. Diaphragm; 52. Closing member; 53. Base; 54. Flow port; 55. Second spring. DETAILED DESCRIPTION

[0025] like Figure 1-Figure 5 As shown, a abdominal drainage bag with an anti-backflow device includes a bag body 1, a liquid inlet pipe 3, and a liquid outlet pipe 41. The top of the bag body 1 is connected with the liquid inlet pipe 3, and the bottom of the bag body 1 is connected with the liquid outlet pipe 41. The anti-backflow device 5 is arranged in the liquid inlet pipe 3, and the liquid outlet pipe 41 is provided with an opening and closing valve 42. The opening and closing valve 42 includes a valve seat 421, an opening and closing member 422, and a first spring 423. The opening and closing member 422 is nested in the valve seat 421, and the valve seat 421 is provided with a valve seat 421 that is connected to the opening and closing member 42. 2 elastically connected first spring 423, the opening and closing member 422 is provided with a flow port 4221 and a plurality of bayonet ports, the valve seat 421 is provided with a plurality of bayonet rods, the bayonet rods are adapted to the bayonet ports, the liquid outlet pipe 41 penetrates the valve seat 421, the anti-backflow device 5 comprises a base 53, a second spring 55, a diaphragm 51, and a closing member 52, the base 53 is provided with a flow port 54, the closing member 52 is connected to the closing member 52 through the second spring 55, and the closing member 52 blocks the inner side of the diaphragm 51. The liquid outlet pipe 41 and the opening and closing valve 42 are collectively referred to as the liquid outlet assembly 4;

[0026] Furthermore, two bayonet ports are provided, namely a first bayonet port 4222 and a second bayonet port 4223, and are provided at the top and bottom ends of the opening and closing member 422. Similarly, the bayonet rod is correspondingly divided into a first bayonet rod 424 and a second bayonet rod 425, the first bayonet rod 424 is correspondingly connected to the first bayonet port 4222, and the second bayonet rod 425 is correspondingly connected to the second bayonet port 4223.

[0027] Furthermore, a hanging strap 2 is provided at the top of the bag body 1 .

[0028] Furthermore, scale lines 11 are arranged on the surface of the bag body 1 .

[0029] Furthermore, a regulating valve 32 is disposed on the outer sleeve of the liquid inlet pipe 3 .

[0030] Furthermore, a clip is provided at the side end of the bag body 1 .

[0031] Furthermore, a connector 31 is provided at the end of the liquid inlet pipe 3 .

[0032] Furthermore, scale lines are provided on the liquid inlet pipe 3 .

[0033] When using the opening and closing valve 42 in this embodiment, after pressing the opening and closing member 422 to the corresponding position, press the clamping rod so that the clamping rod is clamped into the corresponding clamping port. Due to the embedding of the clamping rod, the position of the opening and closing member 422 remains fixed.

[0034] The anti-backflow device 5 in the utility model is essentially a

[0035] The above description is only a preferred embodiment of the present invention, and therefore cannot be used to limit the scope of the present invention. That is, equivalent changes and modifications made according to the patent scope of the present invention and the contents of the specification should still fall within the scope of the present invention.

Claims

1. A abdominal drainage bag with an anti-backflow device, characterized in that: The invention comprises a bag body, a liquid inlet pipe and a liquid outlet pipe. The top end of the bag body is connected with the liquid inlet pipe, the bottom end of the bag body is connected with the liquid outlet pipe, the liquid inlet pipe is provided with an anti-backflow device, the liquid outlet pipe is provided with an opening and closing valve, the opening and closing valve comprises a valve seat, an opening and closing member, and a first spring. The opening and closing member is nested in the valve seat, and the valve seat is provided with a first spring elastically connected with the opening and closing member. The opening and closing member is provided with a flow port and a plurality of bayonet ports. The valve seat is provided with a plurality of clamping rods, which are matched with the bayonet ports. The liquid outlet pipe passes through the valve seat, the anti-backflow device comprises a base, a second spring, a diaphragm and a closing member. The base is provided with a flow port. The closing member is connected with the closing member through a second spring, and the closing member blocks the inner side of the diaphragm.

2. The abdominal drainage bag with an anti-backflow device according to claim 1, characterized in that: The bayonet is provided with two, and is arranged at the top end and the bottom end of the opening and closing member.

3. The abdominal drainage bag with an anti-backflow device according to claim 1, characterized in that: A hanging belt is arranged on the top of the bag body.

4. The abdominal drainage bag with an anti-backflow device according to claim 1, characterized in that: Scale lines are arranged on the surface of the bag body.

5. The abdominal drainage bag with an anti-backflow device according to claim 1, characterized in that: The liquid inlet pipe is outer-coated with a regulating valve.

6. The abdominal drainage bag with an anti-backflow device according to claim 1, characterized in that: A clip is arranged at the side end of the bag body.

7. The abdominal drainage bag with an anti-backflow device according to claim 1, characterized in that: A connector is arranged at the end of the liquid inlet pipe.

8. The abdominal drainage bag with an anti-backflow device according to claim 1, characterized in that: The liquid inlet pipe is provided with scale lines.

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