CN218979898U - Negative pressure drainage device - Google Patents
Negative pressure drainage device Download PDFInfo
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- CN218979898U CN218979898U CN202220535423.3U CN202220535423U CN218979898U CN 218979898 U CN218979898 U CN 218979898U CN 202220535423 U CN202220535423 U CN 202220535423U CN 218979898 U CN218979898 U CN 218979898U
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- Prior art keywords
- negative pressure
- drainage device
- pressure drainage
- clamping
- tube
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- 230000002496 gastric effect Effects 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 description 12
- 210000002784 stomach Anatomy 0.000 description 3
- 241000446313 Lamella Species 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 206010033645 Pancreatitis Diseases 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 208000003243 intestinal obstruction Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The utility model provides a negative pressure drainage device, which comprises a negative pressure drainage device and a drainage tube, wherein a connecting port is arranged on the negative pressure drainage device, a gastric tube end and a connecting end connected with the connecting port are arranged on the drainage tube, and a locking mechanism is arranged between the connecting end and the connecting port; the locking mechanism comprises a rotatable clamping flap arranged at the connecting end of the drainage tube, a clamping hook is arranged on the clamping flap, and a clamping boss matched with the clamping hook on the clamping flap is arranged at the outer side of the connecting port. According to the utility model, the locking mechanism is arranged between the connecting end of the drainage tube and the negative pressure drainage device, and the drainage tube and the negative pressure drainage device can be firmly connected through the locking mechanism, so that the drainage tube and the negative pressure drainage device are not easy to separate.
Description
Technical Field
The utility model relates to the field of medical instruments, in particular to a negative pressure drainage device.
Background
Gastrointestinal decompression is a common clinical treatment means and is widely applied to diseases such as gastrointestinal tract postoperative, pancreatitis, intestinal obstruction and the like. The gastrointestinal decompression mainly uses the negative pressure device to play a role of negative pressure suction. The negative pressure drainage device that current clinical used mainly comprises negative pressure drainage ware and drainage tube, is provided with the connector on the negative pressure drainage ware, and the one end of drainage tube is the link, and the link inserts to be connected to on the negative pressure drainage ware on the connector, and the other end is the stomach tube end, and the stomach tube end inserts in human stomach, realizes the drainage.
When the existing negative pressure drainage device is used, the problem of unstable connection exists between the drainage tube and the negative pressure drainage device, the drainage tube is easy to be separated from a connection port on the negative pressure drainage device, drainage liquid is led to leak, clothes and bed sheets of a patient are polluted, and great discomfort is brought to the patient.
Disclosure of Invention
The utility model aims to solve the problem that when the traditional negative pressure drainage device is used, the connection between a drainage tube and a negative pressure drainage device is unstable, the drainage tube is easy to separate from a connection port on the negative pressure drainage device, drainage liquid leaks out, clothes and bed sheets of a patient are polluted, and great discomfort is brought to the patient.
The utility model aims at realizing the following technical scheme: the negative pressure drainage device comprises a negative pressure drainage device and a drainage tube, wherein a connecting port is arranged on the negative pressure drainage device, a gastric tube end and a connecting end connected with the connecting port are arranged on the drainage tube, and a locking mechanism is arranged between the connecting end and the connecting port; the locking mechanism comprises a rotatable clamping flap arranged at the connecting end of the drainage tube, a clamping hook is arranged on the clamping flap, and a clamping boss matched with the clamping hook on the clamping flap is arranged at the outer side of the connecting port.
Preferably, a connecting seat for connecting the clamping petals is arranged on the outer side of the connecting end of the drainage tube, a connecting shaft is arranged on the clamping petals, a shaft hole matched with the connecting shaft is formed in the connecting seat, and the connecting shaft is rotationally connected in the shaft hole.
Preferably, the clamping boss is annular, and the clamping boss is arranged on the outer side of the connecting port in a surrounding mode.
Preferably, a step surface is arranged on the inner side of the connecting port, a sealing ring is arranged on the step surface, and when the connecting end on the drainage tube is connected with the connecting port, the end surface of the drainage tube is contacted with the sealing ring.
Preferably, the drainage tube is provided with a three-way joint, and the three-way joint is connected with an injection tube.
Preferably, the negative pressure drainage device is connected with a fixing clamp.
Preferably, the negative pressure drainage device is provided with a liquid discharge valve.
Preferably, the negative pressure drainage device is provided with an exhaust port, a one-way exhaust valve is arranged in the exhaust port, and a filter screen is arranged at the inner side of the one-way exhaust valve.
Preferably, the one-way exhaust valve comprises a valve body, wherein an air hole is formed in the valve body, and a valve ball is arranged at one end, far away from the negative pressure drainage device, of the air hole; the valve body is also provided with an elastic pressing piece, one end of the elastic pressing piece is fixed on the valve body, and the elastic pressing piece presses the valve ball at one end of the air hole.
The beneficial effects of the utility model are as follows: 1. according to the utility model, the locking mechanism is arranged between the connecting end of the drainage tube and the negative pressure drainage device, and the drainage tube and the negative pressure drainage device can be firmly connected through the locking mechanism, so that the drainage tube and the negative pressure drainage device are not easy to separate; 2. the drainage tube is connected with an injection tube, so that the medicine can be conveniently injected through the drainage tube; 3. the fixing clamp is arranged on the negative pressure drainage device, so that the negative pressure drainage device is conveniently connected and fixed.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is an enlarged view of a portion B in fig. 1.
In the figure: 1. the negative pressure drainage device comprises a negative pressure drainage device body 2, a drainage tube body 3, a three-way joint body 4, an injection tube 5, a liquid discharge valve 6, a fixing clamp 7, a connecting port 8, a clamping boss 9, a connecting seat 10, clamping petals 11, a connecting shaft 12, a sealing ring 13, an exhaust port 14, a valve body 15, an air hole 16, a valve ball 17, an elastic pressing piece 18 and a filter screen.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.
It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the above terms should not be construed as limiting the present utility model.
It will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" should not be interpreted as limiting the number.
As shown in fig. 1-3, the negative pressure drainage device comprises a negative pressure drainage device 1 and a drainage tube 2. The negative pressure drainage device 1 is provided with a connecting port 7, and the drainage tube 2 is provided with a gastric tube end and a connecting end connected with the connecting port 7. The connecting port 7 is in a circular tube shape and is communicated with the inside of the negative pressure drainage device 1, and the connecting port 7 is arranged at the upper end of the negative pressure drainage device 1. The connecting end of the drainage tube 2 is connected with the negative pressure drainage device 1 by inserting into the connecting port 7. A locking mechanism is arranged between the connecting end and the connecting port 7.
The locking mechanism comprises a rotatable clamping flap 10 arranged at the connecting end of the drainage tube 2, a clamping hook is arranged on the clamping flap 10, and a clamping boss 8 matched with the clamping hook on the clamping flap 10 is arranged at the outer side of the connecting port 7. In this embodiment, the clamping boss 8 is annular, and the clamping boss 8 is disposed around the outside of the connection port. Specifically, the outside of drainage tube 2 link is equipped with the connecting seat 9 that is used for connecting card lamella 10, is equipped with connecting axle 11 on the card lamella 10, is equipped with on the connecting seat 9 with connecting axle 11 matched with shaft hole, connecting axle 11 rotates to be connected in the shaft hole. After the connecting end on the drainage tube 2 is inserted into the connecting port on the negative pressure drainage device 1, the drainage tube 2 is locked through the cooperation between the clamping valve 10 and the clamping boss 8, so that the disconnection between the drainage tube 2 and the negative pressure drainage device 1 is effectively avoided.
Further, the inner side of the connecting port 7 is provided with a step surface, the step surface is provided with a sealing ring 12, and when the connecting end on the drainage tube 2 is connected with the connecting port 7, the end surface of the drainage tube 2 is contacted with the sealing ring 12, so that the sealing connection between the drainage tube 2 and the negative pressure drainage device 1 is realized.
The drainage tube 2 is provided with a three-way joint 3, and the three-way joint 3 is connected with an injection tube 4. By connecting the injection tube 4 to the drainage tube 2, injection of the drug through the drainage tube is facilitated. The negative pressure drainage device 1 is connected with a fixing clamp 6, which is convenient for connecting and fixing the negative pressure drainage device 1. In the scheme, the fixing clamp 6 is in the prior art, the fixing clamp 6 comprises a U-shaped clamp body, the clamp body is integrally formed by plastic and has good elasticity, two clamp arms are arranged on two sides of the clamp body, and an abutting part is arranged on the inner side of one clamp arm; when the clamp is used, an object to be clamped is clamped between the two clamping arms on the clamp body, the two clamping arms firmly clamp the object to be clamped through the elastic action of the clamp body, and the clamping effect is good. The negative pressure drainage device 1 is provided with a liquid discharge valve 5. The drain valve 5 is of the prior art. In this embodiment, the liquid discharge valve 5 is disposed at the bottom of the negative pressure drainage device 1, and the liquid discharge valve 5 is used for discharging the liquid in the negative pressure drainage device 1.
The negative pressure drainage device 1 is provided with an exhaust port 13, a one-way exhaust valve is arranged in the exhaust port 13, and a filter screen 18 is arranged on the inner side of the one-way exhaust valve. The exhaust port 13 is in a circular tube shape and is communicated with the inside of the negative pressure drainage device 1. The exhaust port 13 is arranged at the upper end of the negative pressure drainage device 1.
Specifically, the one-way exhaust valve comprises a valve body 14, an air hole 15 is formed in the valve body 14, and a valve ball 16 is arranged at one end, far away from the negative pressure drainage device 1, of the air hole 15; the valve body 14 is also provided with an elastic pressing piece 17, one end of the elastic pressing piece 17 is fixed on the valve body 14, and the elastic pressing piece 17 presses the valve ball 16 at one end of the air hole 15. One end of the air hole 15 principle negative pressure drainage device 1 is provided with a conical surface, the valve ball 16 is positioned in the center of the conical surface, and the conical surface is used for limiting the position of the valve ball 16. The elastic pressing piece 17 can be made of spring steel and has good elasticity. When the negative pressure drainage device 1 is extruded, the valve ball is propped open by the gas in the negative pressure drainage device 1, and the gas can be discharged outwards through the one-way exhaust valve; in contrast, the external gas cannot enter the negative pressure drainage device through the one-way exhaust valve, so that the negative pressure drainage device forms negative pressure in the negative pressure drainage device in the process of recovering the negative pressure drainage device. When the negative pressure drainage device is filled with liquid, the negative pressure drainage device is extruded at the moment, small liquid drops are easily mixed in the gas and are sprayed outwards, and certain pollution is easily caused to the surrounding environment; in this scheme, through set up filter screen 18 in the inboard of unidirectional vent valve, filter screen 18 can play certain blocking effect to the liquid droplet, reduces the outside spun volume of liquid droplet.
The present utility model is not limited to the above-described preferred embodiments, and any person who can obtain other various products under the teaching of the present utility model, however, any change in shape or structure of the product is within the scope of the present utility model, and all the products having the same or similar technical solutions as the present application are included.
Claims (9)
1. The negative pressure drainage device is characterized by comprising a negative pressure drainage device and a drainage tube, wherein a connecting port is arranged on the negative pressure drainage device, a gastric tube end and a connecting end connected with the connecting port are arranged on the drainage tube, and a locking mechanism is arranged between the connecting end and the connecting port; the locking mechanism comprises a rotatable clamping flap arranged at the connecting end of the drainage tube, a clamping hook is arranged on the clamping flap, and a clamping boss matched with the clamping hook on the clamping flap is arranged at the outer side of the connecting port.
2. The negative pressure drainage device according to claim 1, wherein a connecting seat for connecting the clamping petals is arranged on the outer side of the connecting end of the drainage tube, a connecting shaft is arranged on the clamping petals, a shaft hole matched with the connecting shaft is arranged on the connecting seat, and the connecting shaft is rotatably connected in the shaft hole.
3. The negative pressure drainage device according to claim 1, wherein the clamping boss is annular, and the clamping boss is circumferentially arranged at the outer side of the connecting port.
4. The negative pressure drainage device according to claim 1, wherein a step surface is arranged on the inner side of the connection port, a sealing ring is arranged on the step surface, and when the connection end on the drainage tube is connected with the connection port, the end surface of the drainage tube is contacted with the sealing ring.
5. The negative pressure drainage device according to claim 1, wherein the drainage tube is provided with a three-way joint, and the three-way joint is connected with an injection tube.
6. The negative pressure drainage device according to claim 1, wherein a fixing clip is connected to the negative pressure drainage device.
7. The negative pressure drainage device according to claim 1, wherein a drain valve is arranged on the negative pressure drainage device.
8. The negative pressure drainage device according to any one of claims 1 to 7, wherein the negative pressure drainage device is provided with an exhaust port, a one-way exhaust valve is arranged in the exhaust port, and a filter screen is arranged on the inner side of the one-way exhaust valve.
9. The negative pressure drainage device according to claim 8, wherein the one-way exhaust valve comprises a valve body, an air hole is formed in the valve body, and a valve ball is arranged at one end, far away from the negative pressure drainage device, of the air hole; the valve body is also provided with an elastic pressing piece, one end of the elastic pressing piece is fixed on the valve body, and the elastic pressing piece presses the valve ball at one end of the air hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220535423.3U CN218979898U (en) | 2022-03-10 | 2022-03-10 | Negative pressure drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220535423.3U CN218979898U (en) | 2022-03-10 | 2022-03-10 | Negative pressure drainage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218979898U true CN218979898U (en) | 2023-05-09 |
Family
ID=86218957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220535423.3U Active CN218979898U (en) | 2022-03-10 | 2022-03-10 | Negative pressure drainage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218979898U (en) |
-
2022
- 2022-03-10 CN CN202220535423.3U patent/CN218979898U/en active Active
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