CN219001351U - Controllable VSD washes negative pressure suction device - Google Patents
Controllable VSD washes negative pressure suction device Download PDFInfo
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- CN219001351U CN219001351U CN202222488719.7U CN202222488719U CN219001351U CN 219001351 U CN219001351 U CN 219001351U CN 202222488719 U CN202222488719 U CN 202222488719U CN 219001351 U CN219001351 U CN 219001351U
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Abstract
The utility model discloses a controllable VSD flushing negative pressure suction device, which comprises a dressing assembly, a flushing assembly, a negative pressure assembly and a waste liquid collecting assembly, wherein the dressing assembly and the negative pressure assembly are connected with the waste liquid collecting assembly, the flushing assembly is detachably connected with the dressing assembly, the waste liquid collecting assembly comprises a shell, a collecting tank and a negative pressure balancing assembly, the collecting tank is arranged in the shell, and the dressing assembly and the negative pressure assembly are communicated with the interior of the shell; the negative pressure balance assembly comprises a piston cylinder with two closed ends, a piston plate arranged in the piston cylinder in a sliding manner and a push plate arranged in the piston cylinder in a sliding manner, wherein the piston plate is connected with the push plate through a tension spring, and a sliding sealing structure is formed between the piston plate and the piston cylinder; the upper end of the piston cylinder is communicated with the inside of the shell through a pipeline. The utility model has the purpose of automatically balancing negative pressure in actual use, and can avoid the influence of negative pressure increase on the rehabilitation of patients caused by improper operation of doctors and patients.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a controllable VSD flushing negative pressure suction device.
Background
The VSD technology, negative pressure sealing drainage technology, is to cover or fill the wound with polyethylene alcohol hydrated seaweed salt foam dressing containing drainage tube to form one sealed space, and to connect the drainage tube with negative pressure source to promote wound healing.
The core of the VSD technology is that a multi-side hole drainage tube is wrapped by medical foam materials, a semi-permeable adhesive film with a biological valve function is used for sealing a drainage area to isolate the drainage area from the outside, an open wound surface is changed into a relatively closed wound surface, and then a high negative pressure source is connected to form a high-efficiency drainage system; the biological semipermeable adhesive film has good waterproof bacteria isolation performance, and can effectively avoid cross infection; the negative pressure sealing drainage can be kept for 7-10 days without changing dressing, thereby greatly relieving the pain of patients and the workload of medical staff caused by frequent dressing change.
The application number is: the utility model of CN201922464370.1 discloses a controllable VSD flushing negative pressure suction device, wherein a medicine bag placing box is fixedly connected in a shell, a cover plate corresponding to the medicine bag placing box is arranged on the upper side of the shell, a metering pump is arranged in the shell, the water absorbing end of the metering pump is communicated with a liquid suction pipe, and one end of the liquid suction pipe far away from the metering pump penetrates through and extends into the medicine bag placing box and is communicated with a connecting pipe.
However, in actual use, when negative pressure suction is performed, the pressure of the negative pressure assembly is generally controlled to adjust the pressure; in operation, the pressure gauge is damaged sometimes, and meanwhile, the negative pressure is too large sometimes because of the operation problem of medical staff, so that the rehabilitation of a patient is affected.
Disclosure of Invention
The utility model aims to provide a controllable VSD flushing negative pressure suction device which has the purpose of automatically balancing negative pressure in actual use and can prevent the recovery of a patient from being influenced by the increase of negative pressure caused by improper operation of doctors and patients.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the controllable VSD flushing negative pressure suction device comprises a dressing assembly, a flushing assembly, a negative pressure assembly and a waste liquid collecting assembly, wherein the dressing assembly and the negative pressure assembly are connected with the waste liquid collecting assembly, and the flushing assembly is detachably connected with the dressing assembly;
the waste liquid collecting assembly comprises a shell, a collecting tank and a negative pressure balancing assembly, wherein the collecting tank is arranged in the shell, and the dressing assembly and the negative pressure assembly are communicated with the inside of the shell; the negative pressure balance assembly comprises a piston cylinder with two closed ends, a piston plate arranged in the piston cylinder in a sliding manner and a push plate arranged in the piston cylinder in a sliding manner, wherein the piston plate is connected with the push plate through a tension spring, and a sliding sealing structure is formed between the piston plate and the piston cylinder;
the upper end of the piston cylinder is communicated with the inside of the shell through a pipeline, the push plate is connected with an adjusting assembly, and vent holes are formed in the bottom of the push plate and the bottom of the piston cylinder; the side of the piston cylinder is provided with a U-shaped flat pressing pipe, and two ends of the U-shaped flat pressing pipe are communicated with the inside of the piston cylinder.
Wherein the piston plate is provided with at least one sliding sealing ring on the side.
Further preferably, the side surface of the piston cylinder is provided with an air inlet end and an air outlet end, the air inlet end and the air outlet end are respectively formed by a plurality of small holes arranged on the side surface of the piston cylinder, and the U-shaped flat pressing pipe is communicated with the inside of the piston cylinder through the small holes.
The adjusting assembly comprises an adjusting screw and a bearing, the bearing is arranged below the piston plate, a threaded hole is formed in the lower end of the piston cylinder, the upper end of the adjusting screw is in rotary connection with the piston plate through the bearing after being matched with the threaded hole, and the lower end of the adjusting screw extends out of the piston cylinder.
Further defined, the adjusting screw lower end is provided with an adjusting knob.
Further preferably, the side face of the adjusting knob is provided with anti-skid patterns.
Wherein, dressing subassembly includes the porous foam of making by polyvinyl alcohol, sets up first drainage dish and second drainage dish on porous foam to and set up on porous foam and lie in first, the washing dish between the second drainage dish, first drainage dish, second drainage dish and washing dish bond through transparent application, wash the dish and be connected with washing the subassembly through first pipeline, first, second drainage dish with a tee bend connects is connected back with waste liquid collection subassembly, be provided with the checkpost that is used for first pipeline shutoff on the first pipeline.
Further preferably, the flushing assembly includes a drug bag connected to the first conduit and a metering pump disposed on the first conduit.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model mainly comprises a dressing component, a flushing component, a negative pressure component and a waste liquid collecting component, wherein the dressing component is used for covering the surface of an affected part of a human body to form a closed area, and the negative pressure component is used for collecting waste liquid after the negative pressure is formed in the waste liquid collecting component; the washing component is used for washing the affected part, so that the purpose of negative pressure drainage and washing is realized; more importantly, in the utility model, the negative pressure can be balanced through the negative pressure balancing component, and the purposes of automatically adjusting and balancing the pressure can be realized after the overpressure; when the negative pressure assembly extracts negative pressure from the interior of the shell, tissue fluid at the dressing assembly is drained into the collecting pipe under the action of the negative pressure; when the negative pressure value in the shell tends to be stable, the piston plate in the piston cylinder is balanced under the action of the tension spring, when the negative pressure value is increased, the piston plate moves upwards to achieve the purpose of automatic pressure regulation, and meanwhile, if the piston plate moves upwards, the upper area of the piston plate and the lower area of the piston plate are communicated through the U-shaped flat pressure pipe, and external clean and sterile air enters the shell through the vent hole to achieve the purpose of automatic pressure regulation; the utility model has the purpose of automatically balancing negative pressure in actual use, and can avoid the influence of negative pressure increase on the rehabilitation of patients caused by improper operation of doctors and patients.
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 will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related 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 the overall structure of the present utility model.
Fig. 2 is a schematic diagram of the overall structure of the balance assembly of the present utility model.
Reference numerals:
101-dressing assembly, 102-flushing assembly, 103-negative pressure assembly, 104-waste liquid collection assembly, 105-shell, 106-collection tank, 107-negative pressure balancing assembly, 108-piston cylinder, 109-piston plate, 110-push plate, 111-tension spring, 112-adjusting assembly, 113-vent hole, 114-U-shaped flat-pressure tube, 115-air inlet end, 116-air outlet end, 117-metering pump, 118-adjusting screw, 119-bearing, 120-threaded hole, 121-porous foam, 122-first drainage disc, 123-second drainage disc, 124-flushing disc, 125-medicine bag, 126-transparent application.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in numerous different ways without departing from the spirit or scope of the embodiments of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
In the description of the embodiments of the present utility model, it should be understood that the terms "length," "vertical," "horizontal," "top," "bottom," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience in describing the embodiments of the present utility model and to simplify the description, rather than to indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.
In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.
In embodiments of the utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, or may include both the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is less level than the second feature.
The following disclosure provides many different implementations, or examples, for implementing different configurations of embodiments of the utility model. In order to simplify the disclosure of embodiments of the present utility model, components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit embodiments of the present utility model. Furthermore, embodiments of the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed.
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
Example 1
Referring to fig. 1 and 2, the present embodiment discloses a controllable VSD irrigation negative pressure suction device, which includes a dressing assembly 101, an irrigation assembly 102, a negative pressure assembly 103 and a waste liquid collection assembly 104, wherein the dressing assembly 101 and the negative pressure assembly 103 are connected with the waste liquid collection assembly 104, and the irrigation assembly 102 is detachably connected with the dressing assembly 101;
wherein, waste liquid collection assembly 104 includes shell 105, collection tank 106 and negative pressure balance assembly 107, collection tank 106 sets up in shell 105, dressing assembly 101 and negative pressure assembly 103 all communicate with the inside of shell 105; the negative pressure balance assembly 107 comprises a piston cylinder 108 with two closed ends, a piston plate 109 arranged in the piston cylinder 108 in a sliding manner and a push plate 110 arranged in the piston cylinder 108 in a sliding manner, wherein the piston plate 109 is connected with the push plate 110 through a tension spring 111, and a sliding sealing structure is formed between the piston plate 109 and the piston cylinder 108;
the upper end of the piston cylinder 108 is communicated with the inside of the shell 105 through a pipeline, the push plate 110 is connected with an adjusting assembly 112, and vent holes 113 are formed in the push plate 110 and the bottom of the piston cylinder 108; the side of the piston cylinder 108 is provided with a U-shaped flat pressing pipe 114, and two ends of the U-shaped flat pressing pipe 114 are communicated with the interior of the piston cylinder 108.
The utility model mainly comprises a dressing component 101, a flushing component 102, a negative pressure component 103 and a waste liquid collecting component 104, wherein the dressing component 101 is used for covering the surface of an affected part of a human body to form a closed area, the negative pressure component 103 is used for realizing the collection of waste liquid by the waste liquid collecting component 104 after the negative pressure is formed in the waste liquid collecting component 104; the flushing component 102 is used for flushing the affected part, thereby achieving the purposes of negative pressure drainage and flushing.
More importantly, in the utility model, the negative pressure can be balanced through the negative pressure balancing component 107, and the purposes of automatically adjusting and balancing the pressure after overpressure can be realized; when the negative pressure assembly 103 extracts negative pressure from the interior of the shell 105, tissue fluid at the dressing assembly 101 is drained into the collecting pipe under the action of the negative pressure; when the negative pressure value in the shell 105 tends to be stable, the piston plate 109 in the piston cylinder 108 will be balanced under the action of the tension spring 111, when the negative pressure value is increased, the piston plate 109 will move upwards to realize the purpose of automatic pressure regulation, meanwhile, if the piston plate 109 moves upwards, the upper area of the piston plate 109 and the lower area of the piston plate 109 will be communicated through the U-shaped flat pressure pipe 114, and the clean and sterile air from the outside enters the shell 105 through the vent hole 113 to realize the purpose of automatic pressure regulation; the utility model has the purpose of automatically balancing negative pressure in actual use, and can avoid the influence of negative pressure increase on the rehabilitation of patients caused by improper operation of doctors and patients.
Wherein the piston plate 109 is provided with at least one sliding sealing ring on the side; multiple seals may be provided in actual use.
Further preferably, the side surface of the piston cylinder 108 is provided with an air inlet end 115 and an air outlet end 116, and the air inlet end 115 and the air outlet end 116 are formed by a plurality of small holes arranged on the side surface of the piston cylinder 108, and the U-shaped flat pressing pipe 114 is communicated with the interior of the piston cylinder 108 through the small holes. Thus, air is conveniently introduced and discharged through the small holes, and meanwhile, the piston plate 109 is smoother in moving, so that damage to the sliding sealing ring is reduced.
The adjusting assembly 112 comprises an adjusting screw 118 and a bearing 119, the bearing 119 is arranged below the piston plate 109, a threaded hole 120 is formed in the lower end of the piston cylinder 108, the upper end of the adjusting screw 118 is in rotary connection with the piston plate 109 through the bearing 119 after being matched with the threaded hole 120, and the lower end of the adjusting screw 118 extends out of the piston cylinder 108.
The position of the push plate 110 can be adjusted by rotating the adjusting screw 118, so that the position of the tension spring 111 can be adjusted; in actual use, the pressure can be adjusted according to the negative pressure value.
Wherein, dressing subassembly 101 includes porous foam 121 that is made by polyvinyl alcohol, sets up first drainage dish 122 and second drainage dish 123 on porous foam 121 to and set up on porous foam 121 and lie in first, the washing dish 124 between the two drainage dishes, first drainage dish 122, second drainage dish 123 and washing dish 124 bond at patient's affected part through transparent applying 126 and realize sealedly, washing dish 124 is connected with washing subassembly 102 through first pipeline, first, two drainage dishes are connected with a tee bend joint back with waste liquid collection subassembly 104 is connected, is provided with the checkpost that is used for the shutoff of first pipeline on the first pipeline.
Wherein the flushing assembly 102 comprises a drug bag 125 connected to the first conduit and a metering pump 117 arranged on the first conduit.
The porous foam 121 made of polyvinyl alcohol has advantages of high porosity and good drainage effect. When negative pressure drainage is carried out, the first pipeline is blocked by using a clamp, and at the moment, the purpose of rapid drainage can be realized under the action of the first drainage disc 122 and the second drainage disc 123; when needing to wash, open the checkpost, pump the liquid medicine to wash dish 124 this moment under the effect of measuring pump 117, wash dish 124 and wash the affected part, realize the sterile mesh of loading medicine, because wash dish 124 is located between first, two drainage dishes, can make the liquid medicine of both sides assemble to the middle part from both sides like this, improve the washing effect, will collect in the collecting pipe under the effect of negative pressure.
In actual use, the connection between the pipelines can be set in a detachable mode, so that the whole assembly and disassembly are convenient.
Example two
This embodiment is further optimized based on the first embodiment, in which the lower end of the adjusting screw 118 is provided with an adjusting knob; the side surface of the adjusting knob is provided with anti-skid patterns. The operation is more convenient.
Wherein, dressing subassembly includes the porous foam of making by polyvinyl alcohol, sets up first drainage dish and second drainage dish on porous foam to and set up on porous foam and lie in first, the washing dish between the second drainage dish, first drainage dish, second drainage dish and washing dish bond through transparent application, wash the dish and be connected with washing the subassembly through first pipeline, first, second drainage dish with a tee bend connects is connected back with waste liquid collection subassembly, be provided with the checkpost that is used for first pipeline shutoff on the first pipeline.
Wherein, the flushing assembly includes a medicine bag connected with the first pipeline and a metering pump arranged on the first pipeline.
The porous foam made of polyvinyl alcohol has the advantages of high porosity and good drainage effect. When negative pressure drainage is carried out, the first pipeline is blocked by using a clamp, and at the moment, the purpose of rapid drainage can be realized under the action of the first drainage disc and the second drainage disc; when needing to wash, open the checkpost, pump the liquid medicine to the washing dish under the effect of metering pump this moment, wash the dish and wash the affected part, realize the sterile purpose of loading medicine, because wash the dish and be located between first, the two drainage dish, can make the liquid medicine of both sides assemble to the middle part from both sides like this, improve the washing effect, will collect in the collecting pipe under the effect of negative pressure.
In actual use, the connection between the pipelines can be set in a detachable mode, so that the whole assembly and disassembly are convenient.
Example two
The embodiment is further optimized based on the first embodiment, and in the embodiment, the lower end of the adjusting screw is provided with an adjusting knob; the side surface of the adjusting knob is provided with anti-skid patterns; the operation is more convenient.
While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.
The foregoing description of the preferred embodiment of the utility model is not intended to be limiting, but rather to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (8)
1. The utility model provides a negative pressure suction device is washed to controllable VSD, includes dressing subassembly, washes subassembly, negative pressure subassembly and waste liquid collection subassembly, and dressing subassembly and negative pressure subassembly are connected with the waste liquid collection subassembly, wash the subassembly and can dismantle with dressing subassembly and be connected, its characterized in that:
the waste liquid collecting assembly comprises a shell, a collecting tank and a negative pressure balancing assembly, wherein the collecting tank is arranged in the shell, and the dressing assembly and the negative pressure assembly are communicated with the inside of the shell; the negative pressure balance assembly comprises a piston cylinder with two closed ends, a piston plate arranged in the piston cylinder in a sliding manner and a push plate arranged in the piston cylinder in a sliding manner, wherein the piston plate is connected with the push plate through a tension spring, and a sliding sealing structure is formed between the piston plate and the piston cylinder;
the upper end of the piston cylinder is communicated with the inside of the shell through a pipeline, the push plate is connected with an adjusting assembly, and vent holes are formed in the bottom of the push plate and the bottom of the piston cylinder; the side of the piston cylinder is provided with a U-shaped flat pressing pipe, and two ends of the U-shaped flat pressing pipe are communicated with the inside of the piston cylinder.
2. The controllable VSD flushing negative pressure suction device of claim 1, characterized by: at least one sliding seal ring is provided on the side of the piston plate.
3. The controllable VSD flushing negative pressure suction device of claim 1, characterized by: the side surface of the piston cylinder is provided with an air inlet end and an air outlet end, the air inlet end and the air outlet end are respectively formed by a plurality of small holes arranged on the side surface of the piston cylinder, and the U-shaped flat pressing pipe is communicated with the inside of the piston cylinder through the small holes.
4. The controllable VSD flushing negative pressure suction device of claim 1, characterized by: the adjusting component comprises an adjusting screw and a bearing, the bearing is arranged below the piston plate, a threaded hole is formed in the lower end of the piston cylinder, the upper end of the adjusting screw is in rotary connection with the piston plate through the bearing after being matched with the threaded hole, and the lower end of the adjusting screw extends out of the piston cylinder.
5. The controllable VSD flushing negative pressure suction device of claim 4, characterized by: the lower end of the adjusting screw is provided with an adjusting knob.
6. The controllable VSD flushing negative suction device of claim 5, characterized by: the side surface of the adjusting knob is provided with anti-skid patterns.
7. The controllable VSD flushing negative suction device according to any one of claims 1-6, characterized in that: the dressing assembly comprises porous foam made of polyvinyl alcohol, a first drainage disc and a second drainage disc which are arranged on the porous foam, and a flushing disc which is arranged on the porous foam and positioned between the first drainage disc and the second drainage disc, wherein the first drainage disc, the second drainage disc and the flushing disc are adhered through transparent application, the flushing disc is connected with the flushing assembly through a first pipeline, the first drainage disc and the second drainage disc are connected with the waste liquid collecting assembly after being connected with a three-way joint, and a clamp for plugging the first pipeline is arranged on the first pipeline.
8. The controllable VSD flushing negative suction device of claim 7, characterized in that: the flushing assembly includes a drug bag connected to the first conduit and a metering pump disposed on the first conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222488719.7U CN219001351U (en) | 2022-09-20 | 2022-09-20 | Controllable VSD washes negative pressure suction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222488719.7U CN219001351U (en) | 2022-09-20 | 2022-09-20 | Controllable VSD washes negative pressure suction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219001351U true CN219001351U (en) | 2023-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222488719.7U Active CN219001351U (en) | 2022-09-20 | 2022-09-20 | Controllable VSD washes negative pressure suction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219001351U (en) |
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2022
- 2022-09-20 CN CN202222488719.7U patent/CN219001351U/en active Active
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