CN219167250U - Negative pressure drainage device for VSD - Google Patents

Abstract

The utility model discloses a negative pressure drainage device for VSD. The utility model provides a negative pressure drainage device for VSD, includes drainage bottle and negative pressure device be equipped with drainage tube and negative pressure pipe on the drainage bottle, the negative pressure pipe is connected with negative pressure device, wherein the front end of drainage tube is equipped with the connector, the connector is connected with a negative pressure maintenance subassembly that can automatic switching maintain the negative pressure situation in the pipeline the cover is equipped with the protection plug that can install together with this negative pressure maintenance subassembly lower port cooperation on the negative pressure maintenance subassembly the upper end of negative pressure maintenance subassembly is equipped with the three-way pipe, the upper end both sides of three-way pipe all are equipped with the suction pipe that can connect patient surface of a wound drainage department. The negative pressure drainage device for the VSD can ensure an effective negative pressure environment, is beneficial to drainage of effusion at the wound surface of a patient, is beneficial to patient getting-out movement and solves physiological requirements.

Description

Negative pressure drainage device for VSD

Technical Field

The utility model relates to the technical field of medical auxiliary instruments, in particular to a negative pressure drainage device for VSD, which can ensure an effective negative pressure environment, is beneficial to drainage of effusion at a wound surface of a patient, is beneficial to patient getting-out movement and solves physiological requirements.

Background

The VSD negative pressure drainage is short for vacuum sealing drainage, is widely applied clinically, is generally applied to treatment of large-area avulsion, sleeve-off injury, skin soft tissue large-area defect and the like, can also be applied to large-area burn patients incapable of skin grafting in one period, is widely applied to continuous antibiotic lavage and continuous drainage after the focus of minimally invasive drilling is cleared, can also be applied to wound sealing treatment after large-area bedsores or long-time wound disunion and diabetic foot debridement and the like, is a brand-new method for treating superficial wound surfaces and deep drainage, can thoroughly remove secretion and necrotic tissues of lacuna or wound surfaces, has good treatment effect on internal difficult-to-treat diseases such as osteomyelitis, and is innovation of surgical treatment technology.

At present, a clinical patient generally uses a central negative pressure suction device to conduct negative pressure drainage, but during the period of the central negative pressure suction device, the patient moves inconveniently, the patient is not easy to move down, physiological needs are met, and the like, in addition, a general negative pressure bottle is not tightly sealed after being connected, and a better means for maintaining negative pressure is not arranged in the pipeline, so that the negative pressure in the pipeline quickly disappears, the drainage effect is poor, the wound surface is sealed and is not in a negative pressure environment, the wound surface is possibly infected and worsened under the condition, the patent name is a simple negative pressure suction device for wound rupture, the patent number is ZL202120495834.X, and the publication date is 2022-03-08. The simple VSD negative pressure suction device for wound dehiscence provided by the utility model has the advantages that the plurality of suction pipes adopt one set of drainage bottle and negative pressure device, a plurality of wounds can be treated simultaneously, medical resources are effectively utilized, and the burden of patients is reduced. However, the patent lacks means for guaranteeing effective negative pressure, cannot well guarantee the negative pressure environment in the pipeline, has poor effusion effect at the wound surface of a drainage patient, lacks protective measures after the pipeline is detached, and bacteria easily enter the pipeline at the pipeline interface, so that the treatment and recovery of the wound surface of the patient are not facilitated, and the infection at the wound surface is possibly worsened.

How to solve the problems is a technical problem to be solved.

Disclosure of Invention

The utility model aims to provide a negative pressure drainage device for VSD, which can ensure an effective negative pressure environment, is beneficial to drainage of effusion at a wound surface of a patient, is beneficial to patient getting-out movement and solves physiological requirements.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a negative pressure drainage device for VSD, which comprises a drainage bottle and a negative pressure device, wherein a drainage tube and a negative pressure tube are arranged on the drainage bottle, the negative pressure tube is connected with the negative pressure device, a connector is arranged at the front end of the drainage tube, the connector is connected with a negative pressure maintaining component which can be automatically opened and closed to maintain the negative pressure condition in a pipeline, a protection plug which can be matched with the lower port of the negative pressure maintaining component is sleeved on the negative pressure maintaining component, a three-way tube is arranged at the upper end of the negative pressure maintaining component, and suction tubes which can be connected with the wound surface drainage position of a patient are arranged at two sides of the upper end of the three-way tube.

Further, the negative pressure maintaining component comprises a connecting seat, the lower end of the three-way pipe is connected with the upper end of the connecting seat through threads, the lower end of the connecting seat is connected with a protective shell through threads, the connecting head is connected with the lower end of the protective shell through threads, a supporting seat is arranged in the protective shell, a bouncing core capable of being automatically opened and closed is arranged in the supporting seat, the lower end of the inner portion of the connecting seat is matched with the upper end of the bouncing core through plane contact, and the connecting seat, the bouncing core and the supporting seat form a negative pressure blocking structure capable of being automatically opened and closed to maintain the negative pressure condition in a pipeline.

Further, the upper end of the bouncing core is provided with a first opening, the lower end of the bouncing core is provided with a second opening which can be communicated with the first opening, the lower end of the bouncing core close to the second opening is provided with a connecting lug, the connecting lug is hinged with a rotating cover plate which can be opened and closed the second opening, and a balancing weight is arranged below one end of the rotating cover plate which is far away from the second opening.

Further, a lifting ring is arranged on the outer side of the upper end of the bouncing core close to the first opening, a circle of convex ring capable of being arranged in the supporting seat is arranged on the bouncing core close to the lower end of the lifting ring, and a first sealing ring is arranged on the outer side of the bouncing core close to the lower end of the convex ring.

Further, a stop block capable of limiting the rotation angle of the balancing weight is arranged on the outer wall of the bouncing core close to the balancing weight.

Further, be equipped with in the inside upper end of supporting seat can with bulge loop, first sealing washer cooperation are installed together first mounting groove, and the upper end outside of supporting seat is equipped with can connect the first screw thread of protective housing, is close to the second sealing washer has been installed in the supporting seat outside of first screw thread upper end.

Further, the inside upper end of protective housing be equipped with can with first screw thread, second sealing washer cooperation are installed the second mounting groove together, and the inside lower extreme of protective housing be equipped with can with the supporting seat lower extreme contact cooperation is in the same place the third mounting groove, the upper end threaded connection of connecting seat and protective housing is in the same place, the lower extreme of protective housing with connector threaded connection is in the same place.

Further, a connecting strip is arranged on one side of the protection plug, and a connecting ring which can be sleeved outside the protection shell is arranged at the front end of the connecting strip.

Further, the protective shell, the supporting seat and the bouncing core are all made of transparent materials.

Due to the adoption of the structure, the utility model has the following beneficial effects:

the utility model relates to a negative pressure drainage device for VSD, which is characterized in that a suction tube, a three-way tube, a negative pressure maintaining component, a drainage bottle and a negative pressure device are combined after being connected to form a vacuum sealing drainage structure capable of draining effusion at the wound surface of a patient, the volume is small, the carrying is convenient, the action capability of the patient can be effectively improved, the negative pressure maintaining component can be automatically opened or closed at any time according to the effusion drainage condition in a pipeline, the negative pressure maintaining component can be opened or closed when drainage liquid passes through and can be closed when no drainage liquid passes through, the opening and closing of the negative pressure maintaining component can be controlled by adjusting the negative pressure attractive force of the negative pressure device, thereby maintaining the negative pressure state at both sides of the internal channel of the negative pressure maintaining component as much as possible, especially the negative pressure state in the suction tube and the three-way tube, avoiding the negative pressure inside the pipeline to disappear very fast, guaranteeing the effective negative pressure environment and improving the drainage effect of effusion at the wound surface of the patient, the negative pressure drainage device for the VSD can be used for guaranteeing the effective negative pressure environment, draining the effusion at the wound surface of a patient, and solving the physiological demands.

The utility model will become more apparent from the following description taken in conjunction with the accompanying drawings which illustrate embodiments of the utility model.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a negative pressure drainage device for VSD according to the utility model;

FIG. 2 is a schematic diagram of a negative pressure maintaining assembly according to the present utility model;

FIG. 3 is a cross-sectional view of a negative pressure maintenance assembly of the present utility model;

FIG. 4 is a schematic view of a bouncing core according to the present utility model;

FIG. 5 is a cross-sectional view of the bouncing core of the present utility model;

FIG. 6 is a cross-sectional view of a support base of the present utility model;

FIG. 7 is a cross-sectional view of the protective housing of the present utility model; the method comprises the steps of,

fig. 8 is a schematic structural view of a tee in the present utility model.

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 can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-8, the negative pressure drainage device for VSD provided by the present utility model comprises a drainage bottle 1 and a negative pressure device 2, wherein a drainage tube 3 and a negative pressure tube 4 are provided on the drainage bottle 1, the negative pressure tube 4 is connected with the negative pressure device 2, wherein a connector 31 is provided at the front end of the drainage tube 3, the connector 31 is connected with a negative pressure maintaining component 5 capable of automatically opening and closing to maintain the negative pressure condition in the pipeline, a protection plug 6 capable of being assembled together with the lower port of the negative pressure maintaining component 5 is sleeved on the negative pressure maintaining component 5, a three-way tube 7 is provided at the upper end of the negative pressure maintaining component 5, and suction tubes 8 capable of connecting the drainage position of the wound surface of the patient are provided at both sides of the upper end of the three-way tube 7; the suction tube 8, the tee pipe 7, the negative pressure maintaining component 5, the drainage bottle 1 and the negative pressure device 2 are combined after being connected to form a vacuum sealing drainage structure capable of draining effusion at the wound surface of a patient, the vacuum sealing drainage structure is small in size and convenient to carry, the action capability of the patient can be effectively improved, the negative pressure maintaining component 5 can be automatically opened or closed at any time according to the effusion drainage condition in a pipeline, the vacuum sealing drainage component is opened when drainage liquid passes and closed when no drainage liquid passes, the opening and closing of the negative pressure maintaining component 5 can be controlled by adjusting the negative pressure attractive force of the negative pressure device 2, so that the negative pressure states at two sides of the internal channel of the negative pressure maintaining component 5, in particular the negative pressure states in the suction tube 8 and the tee pipe 7, are maintained as much as possible, the negative pressure in the pipeline is prevented from disappearing very fast, the negative pressure device can ensure an effective negative pressure environment, improves the drainage effect of effusion at the wound surface of a patient, prevents the wound surface of the patient from being in a closed environment without negative pressure, prevents the effusion at the wound surface from being accumulated, prevents the wound surface from being infected, prevents the disease from being worsened, can also operate and adjust the negative pressure device 2 in advance to clean a certain amount of effusion when necessary, then disconnect the negative pressure maintaining assembly 5 from the connector 31, and install the protective plug 6 with the negative pressure maintaining assembly 5, at the moment, the negative pressure maintaining assembly 5 is automatically closed and maintains the negative pressure state in the pipeline, and meanwhile, the protective plug 6 can also isolate the environment in the pipeline from the external atmosphere, prevent germs from entering, is beneficial to the patient to get off the bed and move, solve physiological demands and the like.

In the utility model, the negative pressure maintaining component 5 comprises a connecting seat 51, the lower end of a three-way pipe 7 is in threaded connection with the upper end of the connecting seat 51, the lower end of the connecting seat 51 is in threaded connection with a protective shell 52, the connecting head 31 is in threaded connection with the lower end of the protective shell 52, a supporting seat 53 is arranged in the protective shell 52, a bouncing core 54 capable of being automatically opened and closed is arranged in the supporting seat 53, wherein the lower end of the inner part of the connecting seat 51 is in plane contact fit with the upper end of the bouncing core 54, and the connecting seat 51, the bouncing core 54 and the supporting seat 53 form a negative pressure blocking structure capable of being automatically opened and closed to maintain the negative pressure state in a pipeline; the structural design is ingenious, the bouncing core 54 can play a role in backflow prevention, a certain amount of drainage liquid can be contained in the bouncing core 54, when the capacity of the drainage liquid is enough, the bouncing core 54 is opened to enable the drainage liquid to pass through, when the capacity of the drainage liquid in the bouncing core 54 is too small, the bouncing core 54 is closed to block circulation, a negative pressure state in a channel is maintained, effective drainage of the wound area liquid of a patient is guaranteed, the supporting seat 53 is used for placing the bouncing core 54, the supporting seat 53 and the bouncing core 54 can be protected by the protective shell 52, the assembly is tight, the air tightness is enough, the negative pressure state in the channel can be effectively maintained, the drainage is guaranteed, and the treatment is convenient.

In the utility model, a first opening 541 is arranged at the upper end of a bouncing core 54, a second opening 542 which can be communicated with the first opening 541 is arranged at the lower end of the bouncing core 54, a connecting lug 543 is arranged at the lower end of the bouncing core 54 which is close to the second opening 542, a rotating cover plate 544 which can open and close the second opening 542 is hinged on the connecting lug 543, and a balancing weight 545 is arranged below one end of the rotating cover plate 544 which is far away from the second opening 542; when the drainage liquid capacity in the bouncing core 54 is enough, one end of the rotating cover plate 544 matched with the second opening 542 turns downwards under the action of gravity, the second opening 542 is opened to enable drainage liquid to pass through, when the drainage liquid capacity in the bouncing core 54 is too small, one end of the rotating cover plate 544 is subjected to downward force under the action of gravity by the balancing weight 545, so that the rotating cover plate 544 is tightly attached to one end matched with the second opening 542, the second opening 542 is closed to block circulation, the negative pressure state in the three-way pipe 7 and the suction pipe 8 is ensured, and effusion at the wound surface of a patient is effectively drained.

In the utility model, a lifting ring 546 is arranged outside the upper end of a bouncing core 54 near a first opening 541, a circle of convex rings 547 capable of being arranged in a supporting seat 53 are arranged on the bouncing core 54 near the lower end of the lifting ring 546, and a first sealing ring 548 is arranged outside the bouncing core 54 near the lower end of the convex rings 547; the convex ring 547 and the first sealing ring 548 can make the bouncing core 54 tightly installed in the supporting seat 53, the assembly is tight, and the first sealing ring 548 can improve the air tightness.

In the utility model, a stop 549 capable of limiting the rotation angle of the balancing weight 545 is arranged on the outer wall of the bouncing core 54 close to the balancing weight 545; the stop 549 may prevent the pivoting amplitude of the pivoting plate 544 from becoming excessive.

In the utility model, a first mounting groove 531 which can be matched with a convex ring 547 and a first sealing ring 548 is arranged at the upper end of the inside of a supporting seat 53, a first thread 532 which can be connected with a protective shell 52 is arranged at the outer side of the upper end of the supporting seat 53, and a second sealing ring 533 is arranged at the outer side of the supporting seat 53 which is close to the upper end of the first thread 532; the first mounting groove 531 is convenient for the installation of the bouncing core 54, and the first screw threads 532 and the second sealing ring 533 can enable the supporting seat 53 to be tightly connected with the protecting shell 52, so that the air tightness is improved.

In the utility model, a second mounting groove 521 which can be matched with a first thread 532 and a second sealing ring 533 is arranged at the upper end of the inside of the protective shell 52, a third mounting groove 522 which can be contacted and matched with the lower end of a supporting seat 53 is arranged at the lower end of the inside of the protective shell 52, a connecting seat 51 is connected with the upper end of the protective shell 52 through threads, and the lower end of the protective shell 52 is connected with a connector 31 through threads; the second mounting groove 521 and the third mounting groove 522 cooperate to tightly assemble the supporting seat 53 and the protective housing 52 together, and the protective housing 52 is in threaded connection with the connecting head 31, so that the dismounting is convenient.

In the utility model, a connecting strip 61 is arranged at one side of a protection plug 6, and a connecting ring 62 which can be sleeved outside a protection shell 52 is arranged at the front end of the connecting strip 61; the connecting strip 61 and the connecting ring 62 cooperate to sleeve the protection plug 6 outside the protection shell 52, thereby preventing the loss of the protection plug 6.

In the utility model, the protective shell 52, the supporting seat 53 and the bouncing core 54 are all made of transparent materials; the protective housing 52, supporting seat 53 and spring core 54 all can adopt transparent medical PC material to make, conveniently observe the behavior of protective housing 52, supporting seat 53 and spring core 54, can in time perceive and handle when appearing blockking up or other abnormal work to and be favorable to observing patient's drainage condition, make things convenient for medical personnel to judge.

When the utility model is specifically used, the connecting seat 51, the protective shell 52, the supporting seat 53 and the bouncing core 54 are assembled, then the suction tube 8, the three-way tube 7 and the connecting seat 51 are sequentially connected, the connecting seat 51 is sequentially connected with the drainage tube 3, the drainage bottle 1, the negative pressure tube 4 and the negative pressure device 2, the working state of the bouncing core 54 is observed, when drainage liquid passes through the bouncing core 54, the rotating cover plate 544 rotates to open the second opening 542, the drainage liquid normally passes through the second opening 542, when no drainage liquid passes through, the rotating cover plate 544 rotates under the gravity action of the balancing weight 545 and closes the second opening 542 to block the circulation, so that the device is in a normal working state, in addition, the negative pressure attractive force of the negative pressure device 2 can be operated and adjusted to control the opening and closing of the rotating cover plate 544, the negative pressure state in the three-way tube 7 and the suction tube 8 is ensured, the device can be directly carried by a certain amount of the negative pressure device 2 when a patient needs to go down a bed or the behaviors such as solving physiological needs are required, the device can be cleaned, then the negative pressure maintaining component 5 and the connector 31 are disconnected, and the negative pressure maintaining component 6 can be normally installed together with the patient.

The preferred embodiments of the present utility model have been described above. It is to be understood that the utility model is not limited to the specific embodiments described above, wherein devices and structures not described in detail are to be understood as being implemented in a manner common in the art; any person skilled in the art can make many possible variations and modifications to the technical solution of the present utility model or modifications to equivalent embodiments without departing from the scope of the technical solution of the present utility model, using the methods and technical contents disclosed above, without affecting the essential content of the present utility model. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims (9)

1. The utility model provides a negative pressure drainage device for VSD, includes drainage bottle (1) and negative pressure device (2) be equipped with drainage tube (3) and negative pressure pipe (4) on drainage bottle (1), negative pressure pipe (4) are connected its characterized in that with negative pressure device (2): the front end of drainage tube (3) is equipped with connector (31), connector (31) are connected with negative pressure maintenance subassembly (5) that can automatic switching maintain the interior negative pressure situation of pipeline negative pressure maintenance subassembly (5) go up the cover be equipped with can with this negative pressure maintenance subassembly (5) lower port cooperation install protection stopper (6) together the upper end that negative pressure maintenance subassembly (5) was equipped with three-way pipe (7), the upper end both sides of three-way pipe (7) all are equipped with suction tube (8) that can connect patient surface of a wound drainage department.

2. The negative pressure drainage device for VSD according to claim 1, characterized in that: the negative pressure maintaining assembly (5) comprises a connecting seat (51), the lower end of the three-way pipe (7) is in threaded connection with the upper end of the connecting seat (51), a protective shell (52) is in threaded connection with the lower end of the connecting seat (51), a supporting seat (53) is arranged in the protective shell (52), a bouncing core (54) capable of being automatically opened and closed is arranged in the supporting seat (53), the lower end of the inside of the connecting seat (51) is in plane contact with the upper end of the bouncing core (54), and the connecting seat (51), the bouncing core (54) and the supporting seat (53) form a negative pressure blocking structure capable of automatically opening and closing to maintain the negative pressure state in a pipeline.

3. The negative pressure drainage device for VSD according to claim 2, characterized in that: the upper end of spring core (54) is equipped with first opening (541), the lower extreme of spring core (54) is equipped with second opening (542) that can communicate first opening (541), and is close to spring core (54) lower extreme of second opening (542) is equipped with engaging lug (543), it has switching to articulate on engaging lug (543) second opening (542) revolving apron (544), is equipped with balancing weight (545) in the revolving apron (544) one end below that is away from second opening (542).

4. A negative pressure drainage device for VSD according to claim 3, characterized in that: a lifting ring (546) is arranged on the outer side of the upper end of the bouncing core (54) close to the first opening (541), a circle of convex ring (547) capable of being arranged in the supporting seat (53) is arranged on the bouncing core (54) close to the lower end of the lifting ring (546), and a first sealing ring (548) is arranged on the outer side of the bouncing core (54) close to the lower end of the convex ring (547).

5. The negative pressure drainage device for VSD of claim 4, further comprising: and a stop block (549) capable of limiting the rotation angle of the balancing weight (545) is arranged on the outer wall of the bouncing core (54) close to the balancing weight (545).

6. The negative pressure drainage device for VSD of claim 5, further comprising: the inner upper end of the supporting seat (53) is provided with a first mounting groove (531) which can be matched with the convex ring (547) and the first sealing ring (548) together, the outer side of the upper end of the supporting seat (53) is provided with a first thread (532) which can be connected with the protective shell (52), and the outer side of the supporting seat (53) which is close to the upper end of the first thread (532) is provided with a second sealing ring (533).

7. The negative pressure drainage device for VSD of claim 6, further comprising: the inside upper end of protective housing (52) be equipped with can with first screw thread (532), second sealing washer (533) cooperation is installed second mounting groove (521) together and the inside lower extreme of protective housing (52) be equipped with can with supporting seat (53) lower extreme contact cooperation is together third mounting groove (522), connecting seat (51) and the upper end threaded connection of protective housing (52) together, the lower extreme of protective housing (52) with connector (31) threaded connection together.

8. The negative pressure drainage device for VSD of claim 7, wherein: one side of the protection plug (6) is provided with a connecting strip (61), and the front end of the connecting strip (61) is provided with a connecting ring (62) which can be sleeved outside the protection shell (52).

9. The negative pressure drainage device for VSD according to claim 2, characterized in that: the protective shell (52), the supporting seat (53) and the bouncing core (54) are made of transparent materials.

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