CN115025306A - Simple negative pressure device for small wound - Google Patents

Simple negative pressure device for small wound Download PDF

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Publication number
CN115025306A
CN115025306A CN202210756099.2A CN202210756099A CN115025306A CN 115025306 A CN115025306 A CN 115025306A CN 202210756099 A CN202210756099 A CN 202210756099A CN 115025306 A CN115025306 A CN 115025306A
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CN
China
Prior art keywords
negative pressure
adsorption
pressure device
drainage bottle
connecting pipe
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Pending
Application number
CN202210756099.2A
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Chinese (zh)
Inventor
李恭驰
王晓蓉
李炳辉
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Individual
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Individual
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Priority to CN202210756099.2A priority Critical patent/CN115025306A/en
Publication of CN115025306A publication Critical patent/CN115025306A/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/71—Suction drainage systems
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/71—Suction drainage systems
    • A61M1/74—Suction control
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/90—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/90—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
    • A61M1/96—Suction control thereof

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  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • External Artificial Organs (AREA)

Abstract

The invention provides a simple negative pressure device for small wounds, which comprises an adsorption head, a connecting pipe and an electric negative pressure device, wherein the electric negative pressure device comprises a tee joint, a negative pressure sensor and a drainage bottle; the adsorption head comprises at least three adsorption pieces with clip force, the bottoms of the adsorption pieces are connected together to form a closed cavity, the closed cavity is connected with a first connector of a tee joint through a connecting pipe, the other two connectors of the tee joint are respectively connected with a drainage bottle and a negative pressure sensor, the upper end of each adsorption piece is gathered towards the center and is provided with an open cylindrical structure, and the adsorption pieces expand outwards to be flat after the upper end is pressed and have clip force for restoring the original cylindrical structure. The invention can play a good role of grabbing skin and gathering skin when the adsorption head is opened and is attached to the skin through the adsorption sheet with the clip force of the adsorption head, has good effects of grabbing skin and gathering skin, can effectively shrink wounds, has good flexibility, can not cause pressure injury, has simple, practical and economic structure, can obviously shorten the healing period and enhance the experience of patients.

Description

Simple negative pressure device for small wound
Technical Field
The invention relates to the field of medical auxiliary instruments, in particular to a simple negative pressure device for small wounds.
Background
Clinically, we often encounter some chronic wounds with large and small bottom or deep bottom, especially small wounds with exposed bones. For such wounds, we have traditionally used a drainage strip to wait for granulation to slowly grow until the wound closes. For some experienced wound teachers, the wound surface may be accelerated to close by applying pressure to the bandage with each dressing change. However, this also involves the risk of overpressurization affecting the blood supply to the affected limb. Both of these methods rely on the patient's own tissue for growth, which can take a long time and a significant economic outlay, during which time wound deterioration may occur.
Disclosure of Invention
In view of this, the invention provides a simple negative pressure device for small wounds, which can perform simple negative pressure suction on chronic wounds with good granulation growth and small bottom large and small mouth or small bottom deep and mouth, especially small wounds with exposed bones, so that the environment of the wounds is always in a negative pressure state, thereby accelerating the granulation growth, the wound filling and the wound cavity closing.
A simple negative pressure device for small wounds comprises an adsorption head, a connecting pipe and an electric negative pressure device, wherein the electric negative pressure device comprises a tee joint, a negative pressure sensor and a drainage bottle; the adsorption head comprises at least three adsorption pieces with clip force, the bottoms of the at least three adsorption pieces with clip force are connected together to form a closed cavity, the closed cavity is connected with a first connector of a tee joint through a connecting pipe, the other two connectors of the tee joint are respectively connected with a drainage bottle and a negative pressure sensor, the upper ends of the at least three adsorption pieces with clip force are gathered together towards the center and are formed with an open cylindrical structure, and the adsorption pieces expand to be flat after the upper ends are pressed and have clip force for restoring the original cylindrical structure.
Furthermore, the adsorption sheet is of a three-layer structure and sequentially comprises a tearable film, a double-sided adhesive layer and a PE layer from inside to outside, wherein the tearable film and the PE layer are adhered together by the double-sided adhesive layer.
Furthermore, the double-sided adhesive layer adopts double-sided viscose.
Further, still include medical pellicle, lie in under the adsorption head during the use, central point passes the connecting pipe, and the one side that medical pellicle can paste is towards the adsorption head.
Further, the area of the medical semipermeable membrane is 10cm by 10 cm.
Further, a closing clip is mounted on the connecting pipe.
Furthermore, the drainage bottle is driven by a miniature electric air pump, the miniature electric air pump and the negative pressure sensor are connected with a controller, and the controller is used for controlling the power of the miniature electric air pump according to the air pressure value monitored by the negative pressure sensor so that the drainage bottle reaches the required negative pressure.
Furthermore, the negative pressure value adjusting switch is connected with the miniature electric air pump and is used for manually controlling the power of the miniature electric air pump according to the air pressure value monitored by the negative pressure sensor so that the drainage bottle achieves the required negative pressure.
The invention can play a good role of grabbing skin and gathering skin when the adsorption head is opened and is attached to the skin through the adsorption sheet with the clip force of the adsorption head, has good effects of grabbing skin and gathering skin, can effectively shrink wounds, has good flexibility, can not cause pressure injury, has simple, practical and economic structure, can obviously shorten the healing period and enhance the experience of patients.
Drawings
FIG. 1 is a schematic view of the simple negative pressure device for small wound of the present invention;
FIG. 2 is a schematic diagram of the connection of a tee joint, a drainage bottle and a negative pressure sensor in the invention;
FIG. 3 is an enlarged view of portion A of FIG. 1;
FIG. 4 is a schematic view showing the structure of the suction head of the present invention when it is developed for use.
In the figure: 1-adsorption head, 2-medical semipermeable membrane, 3-connecting pipe, 4-tee joint, 5-drainage bottle, 6-negative pressure sensor, 7-closing clamp, 8-transparent cover, 9-negative pressure value regulating switch, 10-filtering membrane, 11-adsorption head, 111-tearable membrane, 112-double-sided adhesive layer and 113-Polyethylene (PE) layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1 and 2, one embodiment of the simple negative pressure device for small wounds of the present invention includes an adsorption head 1, a medical semipermeable membrane 2, a connection tube 3, and an electric negative pressure device, wherein the electric negative pressure device includes a tee joint 4, a drainage bottle 5 and a negative pressure sensor 6, the drainage bottle 5 is driven by a micro electric air pump, the micro electric air pump and the negative pressure sensor 6 are connected to a controller, and the controller controls the power of the micro electric air pump according to an air pressure value monitored by the negative pressure sensor 6 to achieve a required negative pressure. The embodiment also comprises a negative pressure value adjusting switch 9 connected with the miniature electric air pump, and the negative pressure value adjusting switch 9 can manually control the power of the miniature electric air pump according to the air pressure value monitored by the negative pressure sensor 6 so as to enable the miniature electric air pump to reach the required negative pressure. The outer cover of the drainage bottle 5 is provided with a transparent cover 8, and the transparent cover 8 is used for preventing the drainage bottle 5 from loosening and is convenient for observing the property and the quantity of drainage liquid in the drainage bottle.
The circular column structure that is diameter 1cm under the 1 closure state of adsorption head, including at least three adsorption piece 11 that has back shape power, 11 edges of at least three adsorption piece that have back shape power are mellow and smooth, and the shape is similar to the petal when opening, and its bottom links together and forms closed cavity, and closed cavity passes through connecting pipe 3 and tee bend 4's first articulate, and drainage bottle 5 and negative pressure sensor 6 are connected respectively to 2 other joints of tee bend 4, and wherein the joint that tee bend 4 connects negative pressure sensor 6 is equipped with filtration membrane 10 to prevent drainage liquid pollution negative pressure sensor 6.
The upper ends of the at least three absorption sheets 11 with the clip force gather towards the center and form an opening, and after the upper ends are pressed, the absorption sheets 11 can be unfolded to be in a flat shape, as shown in fig. 3.
Referring to fig. 3, the absorbent sheet 11 has a three-layer structure, which includes a tearable film 111, a double-sided adhesive layer 112, and a Polyethylene (PE) layer 113 from inside to outside, the Polyethylene (PE) layer 113 has certain flexibility and shape-returning ability to ensure that it can be automatically recovered after being opened without external force, and can perform an excellent skin-grabbing and closing function when the product is opened and attached to the skin (as shown in fig. 4), thereby reducing the wound closure. The middle double-sided adhesive layer 112 may be double-sided adhesive.
Install on the connecting pipe 3 and close and press from both sides 7, connecting pipe 3 can adopt the PE material, closes and presss from both sides 7 and use when being used for changing the drainage bottle 5 of absorbing the wound sepage to make the wound remain the negative pressure state throughout.
The medical semipermeable membrane 2 is arranged under the adsorption head 1, the area is about 10cm x 10cm, the central part of the medical semipermeable membrane passes through the connecting pipe 3, and the side, which can be pasted by the medical semipermeable membrane 2, faces the adsorption head 1 and is used for assisting in fixing the adsorption sheet 11, so that the wound is further ensured to be in a closed state.
The application range of the invention is as follows: 1. the dressing is mainly used for the latent wound surface with better granulation growth of small sinus tracts or small wounds; 2. the wound opening is a circular wound within 0.5cm x 0.5cm or a longitudinal wound within 0.5cm x 1 cm.
The specific operation method comprises the following steps:
(1) cleaning the wound surface, and sucking the seepage;
(2) scrubbing the skin with the diameter of more than 10cm around the wound by using alcohol gauze;
(3) cutting 10cm x 10cm medical semipermeable membrane 2 center, leaving out wound, and sticking to wound periphery;
(4) the adsorption head 1 of the product is opened, and the tearable film 111 on the inner layer is torn, so that the center (petal pedicel part) of the adsorption head 1 is just opposite to the wound for attaching;
(5) tearing the 10cm x 10cm medical semipermeable membrane 2 sleeved on the connecting pipe 3 below the adsorption head 1, and tightly fixing the adsorption head 1;
(6) the other end of the connecting pipe 3 is connected with a tee joint 4, one end of the tee joint 4 is connected with a 10ml drainage bottle 5, and the other end of the tee joint 4 is connected with a negative pressure sensor 6 so as to adjust the required negative pressure;
(7) closing earlier when changing drainage bottle 5 and pressing from both sides 7 on the connecting pipe 3 to guarantee to last negative pressure state, opening transparent cover 8 again, will pollute drainage bottle 5 and extract, and take out tee bend 4, then change new tee bend and go, connect drainage pipe port and negative pressure sensor port, push down to detain tee bend one end to new drainage bottle, close transparent cover 8 at last, will close press from both sides 7 and open can.
The invention has the following advantages:
1. the manufacturing is small and exquisite, the appearance is attractive, the flexibility is good, and pressure damage can not be caused;
2. in order to prevent cross infection, only the tee joint 4 and the drainage bottle 5 need to be replaced for each use, and the method is simple and easy to implement and has strong operability;
3. the skin-grabbing and gathering effect is good, and the wound can be effectively contracted;
4. economical and has high patient acceptance.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (8)

1. The utility model provides a simple and easy negative pressure device for little wound which characterized in that: the device comprises an adsorption head, a connecting pipe and an electric negative pressure device, wherein the electric negative pressure device comprises a tee joint, a negative pressure sensor and a drainage bottle; the adsorption head comprises at least three adsorption pieces with clip force, the bottoms of the at least three adsorption pieces with clip force are connected together to form a closed cavity, the closed cavity is connected with a first connector of a tee joint through a connecting pipe, the other two connectors of the tee joint are respectively connected with a drainage bottle and a negative pressure sensor, the upper ends of the at least three adsorption pieces with clip force are gathered together towards the center and are formed with an open cylindrical structure, and the adsorption pieces expand to be flat after the upper ends are pressed and have clip force for restoring the original cylindrical structure.
2. The simple negative pressure device for small wounds of claim 1, characterized in that: the adsorption sheet is of a three-layer structure and sequentially comprises a tearable film, a double-sided adhesive layer and a PE layer from inside to outside, and the tearable film and the PE layer are adhered together through the double-sided adhesive layer.
3. A simple negative pressure device for small wounds according to claim 2, characterised in that: the double-sided adhesive layer adopts double-sided viscose.
4. A simple negative pressure device for small wounds according to claim 1, characterised in that: still include medical pellicle, lie in under the adsorption head during the use, central point passes the connecting pipe, and the one side that medical pellicle can paste is towards the adsorption head.
5. The simple negative pressure device for small wounds of claim 4, characterized in that: the medical semipermeable membrane has an area of 10cm by 10 cm.
6. The simple negative pressure device for small wounds of any one of claims 1 to 5, characterized in that: the connecting pipe is provided with a closing clamp.
7. A simple negative pressure device for small wounds according to claim 1, characterised in that: the drainage bottle is driven by a miniature electric air pump, the miniature electric air pump and the negative pressure sensor are connected with a controller, and the controller is used for controlling the power of the miniature electric air pump according to the air pressure value monitored by the negative pressure sensor so that the drainage bottle reaches the required negative pressure.
8. The simple negative pressure device for small wounds of claim 7, characterized in that: the negative pressure value adjusting switch is used for manually controlling the power of the miniature electric air pump according to the air pressure value monitored by the negative pressure sensor so that the drainage bottle achieves the required negative pressure.
CN202210756099.2A 2022-06-29 2022-06-29 Simple negative pressure device for small wound Pending CN115025306A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210756099.2A CN115025306A (en) 2022-06-29 2022-06-29 Simple negative pressure device for small wound

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210756099.2A CN115025306A (en) 2022-06-29 2022-06-29 Simple negative pressure device for small wound

Publications (1)

Publication Number Publication Date
CN115025306A true CN115025306A (en) 2022-09-09

Family

ID=83126961

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210756099.2A Pending CN115025306A (en) 2022-06-29 2022-06-29 Simple negative pressure device for small wound

Country Status (1)

Country Link
CN (1) CN115025306A (en)

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Address after: 430030 Union Hospital Affiliated to Tongji Medical College of Huazhong University of science and technology, 1277 Jiefang Avenue, Wuhan, Hubei

Applicant after: Li Gongchi

Applicant after: Wang Xiaorong

Applicant after: Li Binghui

Address before: Department of Wound Repair, Liyuan Hospital Affiliated to Tongji Medical College, Huazhong University of Science and Technology, Hongshan District, Wuhan City, Hubei Province 430077

Applicant before: Li Gongchi

Applicant before: Wang Xiaorong

Applicant before: Li Binghui