Negative pressure wound drainage device

Abstract

The utility model relates to the technical field of drainage, and discloses a negative pressure wound drainage device which is characterized in that an air inlet is formed in the surface of a protective machine shell, the air inlet is connected with a negative pressure pipe A in a penetrating mode, one end of the negative pressure pipe A is communicated with a negative pressure ball valve assembly, and one end of the negative pressure ball valve assembly is communicated with a negative pressure pipe B; one end of the negative pressure tube B is in through connection with a sealing cover, the surface of the sealing cover is in through connection with a drainage tube, one end of the drainage tube is in through connection with a negative pressure adjusting assembly, and one end of the negative pressure adjusting assembly is communicated with a drainage catheter. According to the negative pressure wound drainage device, through the arrangement of the negative pressure ball valve assembly, the effect of adjusting passing airflow is achieved, through the arrangement of the negative pressure adjusting assembly, the effect of adjusting the passing airflow is achieved by screwing a rotary knob to drive a pressing plate to move in the use process, and through the observation of a negative pressure meter A and a negative pressure meter B, the effect of detecting the passing airflow is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of drainage, especially to a negative pressure wound drainage device. BACKGROUND

[0002] Drainage is one of the methods commonly used in the medical field to handle liquid accumulation, and guiding liquid flow is crucial. The negative pressure wound drainage device is a medical device commonly used in the emergency department. It can apply negative pressure to the wound, effectively remove exudate, necrotic tissue and bacteria in the wound, reduce the risk of wound effusion and infection, and promote wound healing and recovery.

[0003] In the public number CN213554157U disclosed a kind of negative pressure drainage device, although, compared with general negative pressure drainage device, the device is stable after installation, does not need patient to hold drainage device fixed, drainage device body and drainage tube are more stable and not easy to fall off, the weight of drainage fluid in the drainage device is reduced by the additional metering bag, and it is more convenient to extract patient's body fluid for inspection and observation.

[0004] However, the negative pressure drainage device has the following disadvantages: it is inconvenient to monitor and adjust the internal air flow rate during use of the drainage device. UTILITY MODEL CONTENT

[0005] (1) technical problem solved

[0006] The technical problem solved by the utility model is to provide a negative pressure wound drainage device that is highly practical and can be easily operated, and has a simple structure, solving the problem of inconvenience in monitoring and adjusting as described in the background.

[0007] (2) technical scheme

[0008] To achieve the above purpose, the utility model is implemented by the following technical scheme: a negative pressure wound drainage device includes a protective casing, an air inlet is formed on the surface of the protective casing, a negative pressure pipe A is connected through the air inlet, one end of the negative pressure pipe A is connected in communication with a negative pressure ball valve assembly, one end of the negative pressure ball valve assembly is connected through a negative pressure pipe B, one end of the negative pressure pipe B is connected through a sealing cover, the sealing cover is connected through a drainage pipe on its surface, one end of the drainage pipe is connected through a negative pressure adjustment assembly, the negative pressure adjustment assembly is connected in communication with a drainage catheter, and one end of the drainage catheter is connected through an anti-suction assembly.

[0009] Optionally, an observation window is formed on the surface of one side of the protective casing, the material of the observation window is transparent, and a heat dissipation grille is formed on the surface of one side of the protective casing, which is used for heat dissipation when the air compressor is working.

[0010] Optionally, the bottom surface of the protective shell is fixedly connected with a base, the top surface of the base is threadedly connected with an air compressor, the output end of the air compressor is communicated with a negative pressure pipe A, and the air compressor is used for forming negative pressure in the negative pressure cylinder.

[0011] Optionally, the bottom end of the sealing cover is threadedly connected with a negative pressure cylinder, the surface of the negative pressure cylinder is provided with an observation window, and the surface of the negative pressure cylinder is provided with a liquid level scale.

[0012] Optionally, the negative pressure ball valve assembly comprises a fixed ring A communicated with one end of the negative pressure pipe A, the fixed ring A is through-connected with a valve body, the top end of the valve body is fixedly connected with a rotating handle, and the surface of the fixed ring A is through-connected with a negative pressure gauge A.

[0013] Optionally, the negative pressure adjusting assembly comprises a fixed ring B through-connected with one end of the drainage pipe, one end of the fixed ring B is fixedly connected with a drainage catheter, the surface of the fixed ring B is through-connected with a knob, the knob is rotationally connected with a pressing plate, and the surface of the fixed ring B is through-connected with a negative pressure gauge B.

[0014] Optionally, the anti-suction assembly comprises an anti-suction net fixedly connected with one end of the drainage catheter, and the surface of the anti-suction net is sleeved with a protective suction head.

[0015] (Three) beneficial effects

[0016] The utility model provides a kind of negative pressure wound drainage device, with the following beneficial effects:

[0017] 1、The negative pressure wound drainage device, by the setting of negative pressure ball valve assembly, reaches the adjusting effect of airflow, by the setting of negative pressure adjusting assembly, in use, by screwing knob, driving pressing plate movement, reaches the adjusting effect of airflow, and by observing negative pressure gauge A, negative pressure gauge B, reaches the detection effect of airflow size.

[0018] 2、The negative pressure wound drainage device, by the setting of drainage catheter scale line, in use, by observing scale line, reaches the effect of helping user to accurately determine the position and depth of drainage catheter, by the setting of anti-suction assembly, in use, when absorbing tissue fluid, prevents that tissue fragment or foreign matter is inhaled, reaches the effect of preventing foreign matter suction. ACCURACY

[0019] Fig. 1 It is whole structure schematic view of the utility model;

[0020] Fig. 2 It is air compressor, protective shell structure schematic view of the utility model;

[0021] Fig. 3 It is the negative pressure ball valve assembly structure schematic view of the utility model.

[0022] Fig. 4 It is the negative pressure regulating assembly, the anti-suction assembly structure schematic view of the utility model.

[0023] In the drawing: 1, protective casing;2, negative pressure pipe A;3, negative pressure ball valve assembly;301, fixed ring A;302, valve body;303, rotating handle;304, negative pressure gauge A;4, negative pressure pipe B;5, sealing cover;6, drainage tube;7, negative pressure regulating assembly;701, fixed ring B;702, knob;703, pressing plate;704, negative pressure gauge B;8, drainage catheter;9, anti-suction assembly;901, anti-suction net;902, protective suction head;10, base;11, air compressor;12, negative pressure cylinder. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Please refer to Figs. 1 to 4 The utility model provides a kind of technical scheme: a kind of negative pressure wound drainage device, including protective casing 1, the surface of protective casing 1 is equipped with air inlet, air inlet is connected with negative pressure pipe A 2, one end of negative pressure pipe A 2 is connected with negative pressure ball valve assembly 3, by the setting of negative pressure ball valve assembly 3, in use, by rotating rotating handle 303, drive valve body 302, reach the adjustment effect of through air flow, one end of negative pressure ball valve assembly 3 is connected with negative pressure pipe B 4, one end of negative pressure pipe B 4 is connected with sealing cover 5, the surface of sealing cover 5 is connected with drainage tube 6, one end of drainage tube 6 is connected with negative pressure regulating assembly 7, by the setting of negative pressure regulating assembly 7, in use by screwing knob 702, drive pressing plate 703 movement, reach the adjustment effect of through air flow, one end of negative pressure regulating assembly 7 is connected with drainage catheter 8, one end of drainage catheter 8 is connected with anti-suction assembly 9, by the setting of anti-suction assembly 9, in use when absorbing tissue fluid, prevent that tissue fragment or foreign matter is inhaled, reach the effect of anti-suction foreign matter.

[0026] The surface of one side of protective casing 1 is equipped with observation window, the material of observation window is transparent, the surface of one side of protective casing 1 is equipped with heat dissipation grille, by the setting of heat dissipation grille, reach the heat dissipation effect of air compressor 11 in work.

[0027] The bottom surface of the protective shell 1 is fixedly connected with a base 10, the top surface of the base 10 is threadedly connected with an air compressor 11, the output end of the air compressor 11 is communicated with a negative pressure pipe A2, through the arrangement of the air compressor 11, the negative pressure pipe A2 forms negative pressure in the negative pressure cylinder 12.

[0028] The bottom end of the sealing cover 5 is threadedly connected with a negative pressure cylinder 12, the surface of the negative pressure cylinder 12 is provided with an observation window, and the surface of the negative pressure cylinder 12 is provided with a liquid level scale, through the arrangement of the observation window, the observation of the inhaled liquid is achieved.

[0029] The negative pressure ball valve assembly 3 comprises a fixed ring A301 communicated with one end of the negative pressure pipe A2, the fixed ring A301 is throughly connected with a valve body 302, the top end of the valve body 302 is fixedly connected with a rotating handle 303, the surface of the fixed ring A301 is throughly connected with a negative pressure table A304, through the arrangement of the negative pressure ball valve assembly 3, in use, the valve body 302 is driven by rotating the rotating handle 303, and the adjustment of the airflow is achieved.

[0030] The negative pressure adjusting assembly 7 comprises a fixed ring B701 throughly connected with one end of the drainage pipe 6, one end of the fixed ring B701 is fixedly connected with the drainage catheter 8, the surface of the fixed ring B701 is throughly connected with a knob 702, the knob 702 is rotationally connected with a pressing plate 703, and the surface of the fixed ring B701 is throughly connected with a negative pressure table B704, through the arrangement of the negative pressure adjusting assembly 7, in use, the pressing plate 703 is driven by screwing the knob 702, and the adjustment of the airflow is achieved.

[0031] The anti-suction assembly 9 comprises an anti-suction net 901 fixedly connected with one end of the drainage catheter 8, and a protective suction head 902 is sleeved on the surface of the anti-suction net 901, through the arrangement of the anti-suction assembly 9, in use, when the tissue fluid is sucked, the organization fragments or foreign matters are prevented from being sucked, and the anti-suction foreign matter effect is achieved.

[0032] In the utility model, the working steps of the device are as follows:

[0033] The first step is that, in use, the user connects the external power supply, turns on the air compressor 11, and forms negative pressure in the pipeline;

[0034] The second step is that, in use, the valve body 302 is driven by rotating the rotating handle 303, the airflow is adjusted, the user holds the drainage catheter 8 and places it in the use position, observes the negative pressure table B704, observes the strength of the airflow, screws the knob 702, drives the pressing plate 703 to move, and adjusts the suction airflow.

[0035] It should be noted that the device structure and the drawings of the present application mainly describe the principle of the present application, and the setting of the power mechanism, power supply system and control system of the device is not completely described, and under the premise of understanding the principle of the above-mentioned application by the person skilled in the art, the specific of the power mechanism, power supply system and control system can be clearly known, and the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art.

[0036] The standard parts used can be purchased from the market, and can be ordered according to the description and drawings, the specific connection mode of each part adopts the conventional screw, rivet, welding and other conventional means in the prior art, the mechanical, parts and equipment adopt the conventional type in the prior art, and the components known by the person skilled in the art, the structure and principle thereof can be known by the technical manual or by the conventional experimental method.

[0037] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A negative pressure wound drain comprising a protective housing (1), characterised in that: The surface of the protective shell (1) is provided with an air inlet, the air inlet is connected with a negative pressure pipe A (2), one end of the negative pressure pipe A (2) is connected with a negative pressure ball valve assembly (3), one end of the negative pressure ball valve assembly (3) is connected with a negative pressure pipe B (4), one end of the negative pressure pipe B (4) is connected with a sealing cover (5), the surface of the sealing cover (5) is connected with a drainage pipe (6), one end of the drainage pipe (6) is connected with a negative pressure adjusting assembly (7), one end of the negative pressure adjusting assembly (7) is connected with a drainage catheter (8), one end of the drainage catheter (8) is connected with a anti-suction assembly (9).

2. A negative pressure wound drain according to claim 1, characterised in that: The surface of one side of the protective shell (1) is provided with an observation window, the material of the observation window is transparent, the surface of one side of the protective shell (1) is provided with a heat dissipation grille.

3. The negative pressure wound irrigator of claim 1, wherein: The bottom surface of the protective shell (1) is fixedly connected with a base (10), the top surface of the base (10) is threadedly connected with an air compressor (11), the output end of the air compressor (11) is connected with a negative pressure pipe A (2).

4. The negative pressure wound irrigator of claim 1, wherein: The bottom end of the sealing cover (5) is threadedly connected with a negative pressure cylinder (12), the surface of the negative pressure cylinder (12) is provided with an observation window, the surface of the negative pressure cylinder (12) is provided with a liquid level scale.

5. The negative pressure wound irrigator of claim 1, wherein: The negative pressure ball valve assembly (3) comprises a fixed ring A (301) connected with one end of the negative pressure pipe A (2), the fixed ring A (301) is connected with a valve body (302), the top end of the valve body (302) is fixedly connected with a rotating handle (303), the surface of the fixed ring A (301) is connected with a negative pressure gauge A (304).

6. The negative pressure wound irrigator of claim 1, wherein: The negative pressure adjusting assembly (7) comprises a fixed ring B (701) connected with one end of the drainage pipe (6), one end of the fixed ring B (701) is fixedly connected with a drainage catheter (8), the surface of the fixed ring B (701) is connected with a knob (702), the knob (702) is rotatably connected with a pressure plate (703), the surface of the fixed ring B (701) is connected with a negative pressure gauge B (704).

7. The negative pressure wound irrigator of claim 1, wherein: The anti-suction assembly (9) comprises an anti-suction net (901) fixedly connected with one end of the drainage catheter (8), the surface of the anti-suction net (901) is sleeved with a protective suction head (902).

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