CN221243576U - Negative pressure drainage device for medical treatment - Google Patents
Negative pressure drainage device for medical treatment Download PDFInfo
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- CN221243576U CN221243576U CN202322301601.3U CN202322301601U CN221243576U CN 221243576 U CN221243576 U CN 221243576U CN 202322301601 U CN202322301601 U CN 202322301601U CN 221243576 U CN221243576 U CN 221243576U
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- negative
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- 238000010030 laminating Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
Abstract
The utility model belongs to the technical field of medical appliances, and discloses a negative pressure drainage device for medical treatment, which comprises a drainage bottle, wherein the drainage bottle is connected with a negative suction pipe and a drainage pipe, the negative suction pipe is connected with the negative suction device, a one-way valve and a flow sensor are arranged on the drainage pipe, the drainage pipe is connected with a pressure sensor and a liquid outlet pipe, the drainage pipe is communicated with a gas release pipe, a piston is arranged in the gas release pipe in a sliding fit manner, the piston is connected with the gas release pipe through a spring, a first opening is arranged at the bottom of the piston, a second opening is arranged on the side wall of the piston, the first opening is communicated with the second opening, a gas outlet is arranged on the side wall of the gas release pipe, the second opening is positioned on the upper side of the gas outlet, the negative suction device can increase negative pressure in the bottle, the gas release pipe can reduce negative pressure in the bottle, and the flow sensor can control the negative suction device to control the magnitude of the drainage quantity; the utility model solves the problems that the drainage device in the prior art cannot automatically release pressure, cannot keep the pressure in the drainage bottle stable and cannot control the drainage amount, and is suitable for drainage of medical liquid and gas.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to a negative pressure drainage device for medical treatment.
Background
The negative pressure drainage bottle is a conventional medical instrument which is used as an external drainage device for draining blood, effusion or secretion in a cavity during or after an operation. When the negative pressure drainage is carried out on a patient, the pressure in the drainage bottle needs to be paid attention to, the tissue necrosis can be caused by overlarge pressure, the negative pressure drainage effect can be influenced by overlarge pressure, therefore, the stable pressure in the negative pressure bottle needs to be kept for drainage, when the negative pressure is overlarge, the pressure release is needed, the negative pressure is generated by manually pinching the drainage bottle to generate the negative pressure, the negative pressure can be reduced along with the increase of drainage materials, the negative pressure in the drainage bottle is not easy to control, the flow of the drainage materials in the drainage tube is not easy to control, and therefore, the device capable of automatically releasing the pressure, keeping the pressure in the drainage bottle stable and controlling the flow is needed.
Disclosure of utility model
The utility model aims to provide a medical negative pressure drainage device so as to solve the problem of unstable negative pressure in a drainage bottle of the existing drainage device.
In order to achieve the above object, the present utility model provides the following technical solutions:
The basic technical scheme provided by the utility model is as follows: the utility model provides a medical treatment is with negative pressure drainage device, including the drainage bottle, the drainage bottle is connected with the negative suction device through the negative suction pipe, the drainage bottle is connected with pressure sensor, the drainage bottle is connected with the drainage tube, the drainage tube is provided with check valve and flow sensor, drainage bottle bottom is connected with the drain pipe, drainage bottle top intercommunication has the gas release pipe, gas release pipe top opening, the laminating of sliding is equipped with the piston in the gas release pipe, piston and gas release pipe top inner wall pass through spring coupling, the piston bottom is equipped with first opening, the piston lateral wall is equipped with a plurality of second opening, first opening and a plurality of second opening intercommunication, the gas release pipe lateral wall is equipped with a plurality of gas outlet corresponding to the second opening, the second opening is located the gas outlet upside.
The principle of the basic technical scheme is as follows: provide the negative pressure in to the drainage bottle through negative suction device for can not be unable drainage because of the negative pressure is not enough in the bottle when carrying out negative pressure drainage, the gas releasing pipe can prevent that the negative pressure is too big in the bottle, when the negative pressure is too big in the bottle, the interior piston of gas releasing pipe can move down, second opening and gas outlet intercommunication, external and the inside intercommunication of drainage bottle make the negative pressure diminish gradually in the drainage bottle, the piston moves down the spring and produces deformation, when the pressure in the bottle changes to initial condition, the piston can rebound to initial condition, the process of releasing gas in the bottle has just been accomplished, pressure sensor is used for observing the bottle internal pressure condition, so that control negative suction device adjusts, flow sensor is used for observing the drainage tube internal flow condition, carry out flow control through negative suction device, the check valve prevents that the drainage article from flowing backward.
The basic technical scheme has the beneficial effects that: the device can make drainage in-process bottle negative pressure keep stable, when the bottle negative pressure is too little, utilize negative suction device can increase bottle negative pressure, when the bottle negative pressure is too big, the gas release pipe can be automatic the release for bottle negative pressure reduces, the device can observe the drainage tube through flow sensor and flow condition in the drainage tube, can adjust the intraductal flow through negative suction device simultaneously, the device is provided with the check valve, can prevent drainage article backward flow, the device is provided with pressure sensor, can adjust bottle internal pressure through pressure sensor.
Preferably, the negative suction tube is detachably connected with the drainage bottle.
Through the arrangement, the drainage bottle can be conveniently detached for cleaning and maintenance, and the negative suction device is convenient to move.
Preferably, the negative suction device is a constant pressure air pump.
Through the arrangement, the negative pressure in the bottle can be regulated more stably.
Preferably, the springs are two, and the two springs are symmetrically arranged.
Through the arrangement, the piston is more stable when moving, and the connection between the piston and the air release pipe is more stable.
Preferably, the second opening diameter is larger than the air outlet diameter.
Through the arrangement, when the piston descends, the second opening and the air outlet can be communicated better.
Preferably, the flow sensor controls the switch of the negative suction device and the suction force thereof according to the flow.
Through the arrangement, the negative suction device can be automatically controlled, the suction force is reduced or the negative suction device is closed when the flow is overlarge, and the suction force is increased when the flow is smaller, so that the flow in the drainage tube can be better controlled.
Drawings
FIG. 1 is a block diagram of the present utility model;
FIG. 2 is a cross-sectional view of a gas release tube according to the present utility model;
The names of the corresponding marks in the drawings are: the drainage bottle 1, the negative suction tube 2, the drainage tube 3, the air release tube 4, the piston 5, the spring 6, the pressure sensor 11, the liquid outlet tube 12, the negative suction device 21, the one-way valve 31, the flow sensor 32, the air outlet 41, the first opening 51 and the second opening 52.
Detailed Description
The utility model is described in further detail below with reference to the attached drawings and embodiments:
As shown in fig. 1-2, a negative pressure drainage device for medical treatment comprises a drainage bottle 1, wherein two sides of the top of the drainage bottle 1 are respectively connected with a negative suction pipe 2 and a drainage tube 3, the negative suction pipe 2 is detachably connected with the drainage bottle 1, the negative suction pipe 2 is connected with a negative suction device 21-constant pressure air pump, a one-way valve 31 and a flow sensor 32 are arranged on the drainage tube 3, the bottom of the side wall of the drainage bottle 1 is connected with a liquid outlet pipe 12, the top of the drainage bottle 1 is connected with a pressure sensor 11, the top of the drainage bottle 1 is communicated with an air release pipe 4, the top of the air release pipe 4 is opened, a piston 5 is arranged in the air release pipe 4 in a sliding fit manner, the piston 5 is connected with the top wall of the air release pipe 4 through two springs 6, the two springs 6 are symmetrically arranged, a first opening 51 is formed in the bottom of the piston 5, two second openings 52 are communicated with the first opening 51, two air outlets 41 are symmetrically formed in the side wall of the piston 5, and the second openings 52 are located on the upper side of 41.
The specific implementation process is as follows: in the drainage process, the pressure reading in the drainage bottle 1 is observed through the flow sensor 32, when the negative pressure in the drainage bottle 1 is too small, the negative suction device 21-constant pressure air pump is started, the negative pressure in the drainage bottle 1 is increased, so that the negative pressure in the drainage bottle 1 is stable, when the negative pressure in the drainage bottle 1 is too large, the piston 5 in the air release pipe 4 moves downwards, the inside of the drainage bottle 1 is communicated with the outside, so that the negative pressure in the drainage bottle 1 is gradually reduced, the piston 5 descends, the spring 6 deforms, when the air pressure in the drainage bottle 1 changes to an initial state, the piston 5 can rebound to an initial stable state, the drainage bottle 1 is resealed, the negative pressure in the drainage bottle 1 is kept stable, when the flow in the drainage tube 3 is too large, the negative suction device 21-constant pressure air pump can reduce the suction force of the negative suction device, meanwhile, the flow sensor 32 can give an alarm, the medical staff is reminded to look over, when the flow in the drainage tube 3 is too small, the negative suction device 21-constant pressure air pump can increase the suction force of the negative suction device 32, the negative suction device 21-constant pressure air pump is matched with the negative suction device 6, the negative suction device 3 can control the flow in the drainage tube 3, and the backflow valve 31 can flow in a one-way.
The foregoing is merely exemplary embodiments of the present utility model, and detailed technical solutions or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present utility model, and these should also be regarded as the protection scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the practical applicability of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (6)
1. A negative pressure drainage device for medical treatment, which is characterized in that: including drainage bottle (1), drainage bottle (1) are connected with negative suction device (21) through negative suction pipe (2), drainage bottle (1) are connected with pressure sensor (11), drainage bottle (1) are connected with drainage tube (3), drainage tube (3) are provided with check valve (31) and flow sensor (32), drainage bottle (1) bottom is connected with drain pipe (12), drainage bottle (1) top intercommunication has gas release pipe (4), gas release pipe (4) open-top, the laminating is equipped with piston (5) in gas release pipe (4), piston (5) with gas release pipe (4) top inner wall is connected through spring (6), piston (5) bottom is equipped with first opening (51), piston (5) lateral wall is equipped with a plurality of second opening (52), first opening (51) and a plurality of second opening (52) intercommunication, gas release pipe (4) lateral wall corresponds second opening (52) are equipped with a plurality of gas outlet (41), a plurality of gas outlet (41) are located on the gas outlet side (41).
2. The negative pressure drainage device for medical use according to claim 1, wherein: the negative suction tube (2) is detachably connected with the drainage bottle (1).
3. The negative pressure drainage device for medical use according to claim 1, wherein: the negative suction device (21) is a constant pressure air pump.
4. The negative pressure drainage device for medical use according to claim 1, wherein: the number of the springs (6) is two, and the two springs (6) are symmetrically arranged.
5. The negative pressure drainage device for medical use according to claim 1, wherein: the second opening (52) has a diameter greater than the diameter of the air outlet (41).
6. The negative pressure drainage device for medical use according to claim 1, wherein: the flow sensor (32) controls the switch and the suction force of the negative suction device (21) according to the flow.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221243576U true CN221243576U (en) | 2024-07-02 |
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| Date | Code | Title | Description |
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| GR01 | Patent grant |