CN114931671B - Portable negative pressure therapeutic instrument system - Google Patents
Portable negative pressure therapeutic instrument system Download PDFInfo
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- CN114931671B CN114931671B CN202210530294.3A CN202210530294A CN114931671B CN 114931671 B CN114931671 B CN 114931671B CN 202210530294 A CN202210530294 A CN 202210530294A CN 114931671 B CN114931671 B CN 114931671B
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- negative pressure
- generator
- control module
- waste liquid
- vacuum pump
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- 230000001225 therapeutic effect Effects 0.000 title claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 41
- 239000002699 waste material Substances 0.000 claims abstract description 41
- 238000011282 treatment Methods 0.000 claims abstract description 15
- 239000008280 blood Substances 0.000 claims description 5
- 210000004369 blood Anatomy 0.000 claims description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 238000002560 therapeutic procedure Methods 0.000 claims description 3
- 239000010409 thin film Substances 0.000 claims 3
- 230000000694 effects Effects 0.000 abstract 1
- 206010052428 Wound Diseases 0.000 description 18
- 208000027418 Wounds and injury Diseases 0.000 description 18
- 238000010586 diagram Methods 0.000 description 10
- 101150038956 cup-4 gene Proteins 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009581 negative-pressure wound therapy Methods 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 206010053692 Wound complication Diseases 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000011269 treatment regimen Methods 0.000 description 1
Classifications
-
- 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
- A61M1/88—Draining devices having means for processing the drained fluid, e.g. an absorber
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Vascular Medicine (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)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention provides a portable negative pressure therapeutic apparatus system which is characterized by comprising a negative pressure generator, a waste liquid collecting box, a suction pipe and a negative pressure sucker, wherein the waste liquid collecting box is arranged on the suction pipe; the negative pressure generator comprises a vacuum pump, a control module, a power supply, an indicator light and a switch, wherein the vacuum pump in the negative pressure generator generates negative pressure and can transmit the negative pressure into the waste liquid collecting box, one side of the waste liquid collecting box can be connected with the suction pipe, and the suction pipe is connected with the suction disc again, so that the negative pressure can be generated on a wound surface, and a treatment and repair effect is achieved; the invention has small size, light weight, convenient carrying and use, reduces the requirement on working environment, and ensures that patients can still carry out negative pressure treatment in the unexpected environment of hospitals.
Description
Technical Field
The invention relates to the field of auxiliary treatment of wounds, in particular to a portable negative pressure therapeutic instrument system.
Background
Negative pressure wound treatment is a clinically common wound treatment mode. This treatment regimen first requires filling the wound with a sponge-like foam dressing and resealing the wound; negative pressure is then applied to the sponge-like foam dressing by an external device, so that the wound bed is in a negative pressure state. By negative pressure wound treatment, a series of physical and chemical factors are generated on a wound bed, wound edema is eliminated by negative pressure drainage, the blood flow condition of a wound is changed, granulation of the wound is finally enabled to grow rapidly, and healing of the wound is promoted.
At present, negative pressure wound therapy can be widely applied to a plurality of acute and chronic wounds for clinical treatment, but negative pressure therapeutic apparatuses required by the therapy mode are generally expensive in cost, and even though some negative pressure therapeutic apparatuses are invented in China, the problems of large volume, heavy body, inconvenience in carrying and the like still generally exist, and the negative pressure wound therapy is inconvenient for patients to use under the conditions outside hospitals, so that the therapy mode is not popular.
Disclosure of Invention
The present invention is directed to a portable negative pressure therapeutic apparatus system, which solves the above-mentioned problems.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The portable negative pressure therapeutic apparatus system is characterized by comprising a negative pressure generator 1, a waste liquid collecting box 2, a suction tube 3 and a negative pressure sucker 4; the negative pressure generator 1 comprises a vacuum pump 5, a control module 6, a power supply 7, an indicator lamp 8 and a switch 9, wherein the negative pressure generator 1 generates a negative pressure air source, the negative pressure air source passes through the waste liquid collecting box 2 and then passes through the suction tube 3 and the negative pressure suction disc 4 to carry out negative pressure treatment on wound surfaces, the negative pressure generator 1 and the waste liquid collecting box 2 are box-shaped with smaller size, are convenient to carry and move, and can be powered by the self-contained power supply 7.
The negative pressure generator 1 is box-shaped and is divided into an upper part and a lower part, namely an upper generator cover 11 and a lower generator cover 12, wherein the upper generator cover 11 is provided with three indicating lamp holes 111 and a switch control hole 112, the three indicating lamp holes 111 respectively represent electric quantity, whether charge and whether work, a lamplight guide column 1111 is arranged in the corresponding position of the indicating lamp holes 111, the length of the lamplight guide column 1111 is just the length of the lamplight guide column which can not contact with the internal control module 6, and the switch control hole 112 can control the switch of the control module 6 in the negative pressure generator 1; a charging hole 113 is further formed in the bottom center of the generator upper cover 11, two upper cover support columns 114 are further arranged in the generator upper cover 11, and the upper cover support columns 114 can just prop against the control module 6 placed in the negative pressure generator 1; the center of the top of the generator upper cover 11 is also provided with a three-way joint upper fixing groove 115.
A three-way joint lower fixing groove 121 is formed in the center of the top of the generator lower cover 12, a battery supporting seat 122, a vacuum pump supporting seat 123 and two lower cover supporting columns 124 are arranged in the generator lower cover 12, a circle of protrusions 125 are arranged on the inner edge ring of the generator lower cover 12, the protrusions 125 can be matched with the inner edge ring of the generator upper cover 11 just to enable the generator upper cover 11 to be matched and connected with the generator lower cover 12, a three-way joint 13 is further arranged in the negative pressure generator 1, and the three-way joint 13 can be fixed at the center of the top of the negative pressure generator 1 under the matching of the three-way joint upper fixing groove 115 and the three-way joint lower fixing groove 121; the three-way joint 13 leaks and sets up a film in the one end head of negative pressure generator 1 outside, can only let negative pressure gas pass through, and blood can not pass through, the film can adopt the PTFE film.
The control module 6 is installed in the negative pressure generator 1 and is supported by the upper cover support column 114 and the lower cover support column 124, the power supply 7 and the vacuum PUMP 5 are arranged below the control module 6, the power supply 7 is a lithium battery and supplies power to the control module 6 and the vacuum PUMP 5, the control module 6 comprises a USB interface 61, a singlechip 62 and a pressure sensor 64, the indicator lamp 8 and the switch 9 are also arranged on the control module 6, the USB interface 61 on the control module 6 can adopt a USB connector with the model number of 105017-0001, the singlechip 62 can adopt a microcontroller with the model number of PIC16 1455, the pressure sensor 64 can adopt a pressure sensor with the model number of MP3V 5055, the switch 9 adopts a load switch with the model number of TPS22917, and the vacuum PUMP 5 can adopt a miniature air PUMP with the model number of M20 PUMP.
The USB interface 61 is just arranged at the charging hole 113, the USB interface 61 can charge equipment, the pressure sensor 64 can measure negative pressure output by the vacuum pump 5, and then transmit pressure data to the single-chip microcomputer 62, the single-chip microcomputer 62 controls the vacuum pump 5 to regulate the output negative pressure, and a pressure control program is required to be arranged in the single-chip microcomputer 62 to regulate the negative pressure so as to prevent the pressure from being too large or too small; the indicator lamps 8 are also connected with the singlechip 62 and controlled by the singlechip, and the three indicator lamps 8 respectively represent electric quantity, whether to charge and whether to work; the switch 9 is capable of controlling whether the control module 6 is operating.
The waste liquid collection box 2 with one side that negative pressure generator 1 contacted is equipped with collects lid 21, set up one on the collection lid 21 can with three way connection 13 tight fit's round hole 211, collect lid 21 be close to negative pressure generator 1's one end left and right sides is equipped with circular-arc protruding 212, simultaneously negative pressure generator 1's top both sides also are equipped with certain arch, and set up can with circular-arc protruding 212 complex circular-arc draw-in groove 14, circular-arc draw-in groove 14's one end is equipped with a draw-in groove protruding 141, draw-in groove protruding 141 is the diagonal on two draw-in groove protruding 141 and arranges, draw-in groove protruding 141 corresponds circular-arc protruding 212 department has been seted up draw-in groove protruding fixed slot 2121.
A semicircular groove is formed in one side face of the waste liquid collecting box 2, a suction tube connecting hole 22 is formed in the bottom of the groove, the suction tube connecting hole 22 can be connected with the suction tube 3, and negative pressure is transmitted to the negative pressure sucker 4 through the reconnection of the suction tube 3, so that negative pressure treatment is conducted on a wound.
Compared with the prior art, the invention has the following beneficial effects:
The device has the advantages of small size, light weight, convenient carrying and use, reduced requirement on working environment, and capability of enabling patients to still perform negative pressure treatment in unexpected environments of hospitals; and can be supplied by a battery, and can be used without being connected with a power supply.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the negative pressure generator of the present invention;
FIG. 3 is a schematic view of the upper cover structure of the generator of the present invention;
FIG. 4 is a schematic view of the lower cover structure of the generator of the present invention;
FIG. 5 is a schematic diagram of a control module according to the present invention;
FIG. 6 is a second schematic diagram of a control module according to the present invention;
FIG. 7 is an exploded view of the overall structure of the present invention;
FIG. 8 is a schematic diagram of the negative pressure generator of the present invention;
FIG. 9 is a schematic view of the structure of the waste liquid collecting box of the present invention;
FIG. 10 is a schematic view showing the connection structure of the negative pressure generator and the waste liquid collecting box of the present invention;
FIG. 11 is a diagram of a USB interface wiring circuit according to the present invention;
FIG. 12 is a circuit diagram of the wiring of the singlechip of the invention;
FIG. 13 is a battery management integrated circuit of the present invention;
FIG. 14 is a circuit diagram of a switch according to the present invention;
FIG. 15 is a circuit diagram of a pressure sensor of the present invention;
FIG. 16 is a circuit diagram of an indicator light of the present invention;
In the figure: 1-a negative pressure generator; 11-generator upper cover; 111-indicating a lamp hole; 1111-a lamplight guide column; 112-a switch control hole; 113-a charging hole; 114-upper cover support columns; 115-a fixing groove on the three-way joint; 12-generator lower cover; 121-a lower fixing groove of the three-way joint; 122-battery support; 123-a vacuum pump support base; 124-lower cover support posts; 125-bump; 13-a three-way joint; 14-arc clamping grooves; 141-a slot protrusion; 2-a waste liquid collection box; 21-a collection box cover; 211-round holes; 212-arc-shaped protrusions; 2121-clamping groove convex fixing groove; 22-suction tube connection holes; 3-a suction tube; 4-a negative pressure sucker; 5-a vacuum pump; 6-a control module; 61-USB interface; 62-a singlechip; 64-pressure sensor; 7-a power supply; 8-indicator lights; 9-switch.
Detailed Description
In order to clarify the technical problems, technical solutions, implementation processes and performance, the present invention will be further described in detail below with reference to examples. It should be understood that the specific embodiments described herein are for purposes of illustration only. The invention is not intended to be limiting. Various exemplary embodiments, features and aspects of the disclosure will be described in detail below with reference to the drawings. In the drawings, like reference numbers indicate identical or functionally similar elements. Although various aspects of the embodiments are illustrated in the accompanying drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
The word "exemplary" is used herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.
In addition, numerous specific details are set forth in the following detailed description in order to provide a better understanding of the present disclosure. It will be understood by those skilled in the art that the present disclosure may be practiced without some of these specific details. In some instances, methods, means, elements, and circuits well known to those skilled in the art have not been described in detail in order not to obscure the present disclosure.
Example 1
As shown in fig. 1 to 6, a portable negative pressure therapeutic apparatus system is characterized by comprising a negative pressure generator 1, a waste liquid collecting box 2, a suction tube 3 and a negative pressure suction cup 4; the negative pressure generator 1 comprises a vacuum pump 5, a control module 6, a power supply 7, an indicator lamp 8 and a switch 9, wherein the negative pressure generator 1 generates a negative pressure air source, the negative pressure air source passes through the waste liquid collecting box 2 and then passes through the suction tube 3 and the negative pressure suction disc 4 to carry out negative pressure treatment on wound surfaces, the negative pressure generator 1 and the waste liquid collecting box 2 are box-shaped with smaller size, are convenient to carry and move, and can be powered by the self-contained power supply 7.
As shown in fig. 2 to fig. 4, as a possible implementation manner, the negative pressure generator 1 is in a box shape, and is divided into an upper cover 11 and a lower cover 12, which are respectively a generator upper cover 11 and a generator lower cover 12, so that the negative pressure generator 1 is conveniently detached and each component inside the negative pressure generator is conveniently installed and debugged, three indicator light holes 111 and a switch control hole 112 are formed in the generator upper cover 11, the positions of the three indicator light holes 111 respectively correspond to the three indicator lights 8 on the control module 6 inside the generator upper cover 11, the three indicator light holes 111 respectively represent electric quantity, whether the electric quantity is charged or not, and whether the electric quantity works or not, a light guide column 1111 is further arranged inside the corresponding position of the indicator light holes 111, the length of the light guide column 1111 is just enough to be in contact with the control module 6 inside, so that the light is conveniently emitted obviously at the indicator light holes 111, the indicator light 8 representing the electric quantity can be connected with the single chip microcomputer 62 to be controlled by the single chip microcomputer 62, the brightness of the indicator light 8 is adjusted according to the electric quantity of the power supply 7, the brightness of the indicator light 8 is higher than the electric quantity, and the electric quantity is more convenient for a user to use the electric quantity; the indicator lamp 8 for indicating whether to charge is turned on when the power supply is turned on for charging, and is turned off when the power supply is not charged, so that a user can conveniently know whether the charging is successful; the indicator lamp 8 which indicates whether to work is turned on when the vacuum pump 5 works, and the indicator lamp 8 is turned off when not working, so that a user can know whether the equipment is in a working state or not conveniently; the switch control hole 112 corresponds to the position of the switch 9 inside, and the switch control hole 112 can control the control module 6 in the negative pressure generator 1 to switch; a charging hole 113 is further formed in the bottom center of the generator upper cover 11, two upper cover support columns 114 are further arranged in the generator upper cover 11, and the upper cover support columns 114 can just prop against the control module 6 placed in the negative pressure generator 1; the center of the top of the generator upper cover 11 is also provided with a three-way joint upper fixing groove 115.
As a possible implementation manner, a three-way joint lower fixing groove 121 is formed in the center of the top of the generator lower cover 12, a battery supporting seat 122, a vacuum pump supporting seat 123 and two lower cover supporting columns 124 are arranged in the generator lower cover 12, a circle of protrusions 125 are arranged on the inner edge ring of the generator lower cover 12, the protrusions 125 can just match with the inner edge ring of the generator upper cover 11, so that the generator upper cover 11 can be matched and connected with the generator lower cover 12, a three-way joint 13 is further arranged in the negative pressure generator 1, and the three-way joint 13 can be fixed at the center of the top of the negative pressure generator 1 under the matching of the three-way joint upper fixing groove 115 and the three-way joint lower fixing groove 121; the three-way joint 13 leaks one end head portion in the negative pressure generator 1 outside sets up a film, can only let negative pressure gas pass through, and blood can not pass through, prevents to have blood backflow to in the vacuum pump, guarantees equipment safety, the film can adopt the PTFE film.
As shown in fig. 5 and 6, as a possible implementation manner, the control module 6 is installed in the negative pressure generator 1 and is supported by the upper cover support column 114 and the lower cover support column 124, the power supply 7 and the vacuum PUMP 5 are arranged below the control module 6, the power supply 7 is a lithium battery, and can supply power to all components in the negative pressure generator 1, and supply power to the control module 6 and the vacuum PUMP 5, the control module 6 includes a USB interface 61, a singlechip 62 and a pressure sensor 64, the indicator lamp 8 and the switch 9 are also arranged on the control module 6, the USB interface 61 on the control module 6 may be a USB connector with a model number 105017-0001, the singlechip 62 may be a microcontroller with a model number PIC16LF1455, the pressure sensor 64 may be a pressure sensor with a model number MP3V5050GP, the switch 9 may be a load switch with a model number TPS22917, and the vacuum PUMP 5 may be a mini PUMP with a model number MP 20.
As a possible implementation manner, the USB interface 61 is just arranged at the charging hole 113, the USB interface 61 can charge equipment, the pressure sensor 64 can measure the negative pressure output by the vacuum pump 5, and then transmit the pressure data to the singlechip 62, the singlechip 62 controls the vacuum pump 5 to regulate the output negative pressure, and a pressure control program is required to be arranged in the singlechip 62 to regulate the negative pressure so as to prevent the pressure from being too large or too small; the indicator lamps 8 are also connected with the singlechip 62 and controlled by the singlechip, and the three indicator lamps 8 respectively represent electric quantity, whether to charge and whether to work; the switch 9 is capable of controlling whether the control module 6 is operating.
As shown in fig. 7-10, as a possible implementation manner, a collecting box cover 21 is disposed on one side of the waste liquid collecting box 2, which is in contact with the negative pressure generator 1, a round hole 211 capable of being tightly matched with the three-way joint 13 is formed in the collecting box cover 21, tightness can be guaranteed without losing negative pressure transmitted from the negative pressure generator 1, the collecting box cover 21 is close to the negative pressure generator 1, arc-shaped protrusions 212 are disposed on the left side and the right side of one end of the negative pressure generator 1, meanwhile, a certain protrusion is disposed on two sides of the top end of the negative pressure generator 1, an arc-shaped clamping groove 14 capable of being matched with the arc-shaped protrusions 212 is formed in one end of the arc-shaped clamping groove 14, the clamping groove protrusions 141 are disposed on the two clamping groove protrusions 141 in a diagonal manner, clamping groove protrusion 2121 is formed in the arc-shaped protrusions 212 corresponding to the clamping groove protrusions 141, the waste liquid collecting box 2 rotates on the negative pressure generator 1 with the three-way joint 13 as a shaft, when the protrusions 212 and the clamping groove 212 are coincident with the arc-shaped protrusions 212, the waste liquid collecting box 2 can be prevented from being separated from the waste liquid collecting box 1, and the waste liquid can be prevented from being separated from the waste liquid collecting box 1 by the two sides by the rotation of the three-way joint 1, and the waste liquid collecting box 1 can be separated from the waste liquid collecting box 1.
As a possible implementation manner, a semicircular groove is formed in one side surface of the waste liquid collecting box 2, a suction tube connecting hole 22 is formed in the bottom of the groove, the suction tube connecting hole 22 can be connected with the suction tube 3, the space occupied by the suction tube 3 after connection can be saved, and the suction tube 3 is connected with the negative pressure suction cup 4 again, so that negative pressure is transmitted to the negative pressure suction cup 4, and negative pressure treatment is performed on a wound.
The application method of the portable negative pressure therapeutic apparatus system is characterized by comprising the following specific steps:
s1, after the control module 6 starts working through the switch 8, the power supply 7 supplies power to all the components;
S2, starting to work by the vacuum pump 5 to generate negative pressure, connecting the vacuum pump 5 with one end of a three-way joint communicated with the waste liquid collecting box 2 close to the vacuum pump 5, connecting the other end of the three-way joint with the pressure sensor 64 on the control module 6 to monitor the negative pressure generated by the vacuum pump 5, transmitting the negative pressure to the singlechip 62 by the pressure sensor 64,
And S3, when the vacuum pump 5 works, the singlechip 62 receives a pressure signal transmitted by the pressure sensor 64 and controls the vacuum pump 5 to increase power to generate negative pressure with larger pressure, and when the negative pressure is too low, the singlechip 62 receives a pressure signal transmitted by the pressure sensor 64 and controls the vacuum pump 5 to reduce power and reduce the pressure generating negative pressure.
When the vacuum pump works, equipment is opened through the switch control hole 112, the control module 6 starts to work, the vacuum pump 5 starts to work to generate negative pressure after the power supply 7 supplies power to each component, the vacuum pump 5 and the three-way connector 13 are placed in the negative pressure generator 1 and are connected with one end close to the vacuum pump 5, the other end of the vacuum pump 5 is connected with the pressure sensor 64 on the control module 6, the negative pressure generated by the vacuum pump 5 is monitored, the pressure sensor 64 transmits the negative pressure to the singlechip 62, when the negative pressure is too high, the singlechip controls the vacuum pump 5 to increase power to generate negative pressure with larger pressure, and when the negative pressure is too low, the singlechip controls the vacuum pump 5 to reduce power to reduce the pressure to generate negative pressure; the negative pressure generated by the vacuum pump 5 is heard through one end of the three-way joint 13 leaking outside the negative pressure generator 1 and is conveyed into the waste liquid collecting box 2, and as the round holes 211 of the three-way joint 13 are tightly matched and connected, the tightness is ensured, and meanwhile, the negative pressure is conveyed into the suction tube 3 at the suction tube connecting hole 22 on the side surface of the waste liquid collecting box 2, so that the negative pressure can be generated at the negative pressure sucker 4, and the negative pressure is applied to the wound filled with the spongy foam dressing in advance through the negative pressure sucker 4, so that the negative pressure treatment can be carried out at the wound in a negative pressure state; the negative pressure can generate certain waste liquid such as blood and the like, and the waste liquid can enter the waste liquid collecting box 2 through the negative pressure suction disc 4, the suction pipe 3 and the suction pipe connecting hole 22 in sequence, the waste liquid is collected in the waste liquid collecting box 2, the waste liquid collecting box 2 can be pulled out and taken down after rotating each time after being used, the collecting box cover 21 is opened to pour the waste liquid to a designated position, and the waste liquid collecting box 2 and the three-way joint 13 are connected in a matched manner and are relatively convenient to separate; when not in use, the device may be turned off through the switch control aperture 112.
The device has the advantages of small size, light weight, convenient carrying and use, reduced requirement on working environment, and capability of enabling patients to still perform negative pressure treatment in unexpected environments of hospitals; and can be supplied by a battery, and can be used without being connected with a power supply.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. The portable negative pressure therapeutic apparatus system is characterized by comprising a negative pressure generator (1), a waste liquid collecting box (2), a suction tube (3) and a negative pressure sucker (4); the negative pressure generator (1) comprises a vacuum pump (5), a control module (6), a power supply (7), an indicator lamp (8) and a switch (9), wherein the negative pressure generator (1) generates a negative pressure air source, and the negative pressure air source passes through the waste liquid collecting box (2) and then is used for carrying out negative pressure treatment on wound surfaces through the suction tube (3) and the negative pressure suction cup (4), the negative pressure generator (1) and the waste liquid collecting box (2) are box-shaped with smaller sizes, are convenient to carry and move, can be powered by the self-contained power supply (7), and can be conveniently detached and replaced between the negative pressure generator (1) and the waste liquid collecting box (2);
The negative pressure generator (1) is box-shaped and is divided into an upper part and a lower part, namely an upper generator cover (11) and a lower generator cover (12), wherein three indication lamp holes (111) and a switch control hole (112) are formed in the upper generator cover (11), the indication lamps (8) corresponding to the three indication lamp holes (111) are controlled by the control module (6), electric quantity, whether charge and whether work are respectively fed back according to working states, a light guide column (1111) is further arranged in the corresponding position of the indication lamp hole (111), the length of the light guide column (1111) is just the length of the light guide column which can not be contacted with the control module (6) in the interior, and the switch control hole (112) can control the switch of the control module (6) in the negative pressure generator (1); a charging hole (113) is formed in the center of the bottom of the generator upper cover (11), two upper cover support columns (114) are further arranged in the generator upper cover (11), and the upper cover support columns (114) can just prop against the control module (6) placed in the negative pressure generator (1); the center of the top of the generator upper cover (11) is also provided with a three-way joint upper fixing groove (115);
The device is characterized in that a tee joint lower fixing groove (121) is formed in the center of the top of the generator lower cover (12), a battery supporting seat (122), a vacuum pump supporting seat (123) and two lower cover supporting columns (124) are arranged in the generator lower cover (12), a circle of protrusions (125) are arranged on the inner ring of the edge of the generator lower cover (12), the protrusions (125) can be just matched with the inner ring of the edge of the generator upper cover (11), the generator upper cover (11) can be matched and connected with the generator lower cover (12), a tee joint (13) is further arranged in the negative pressure generator (1), and the tee joint (13) can be fixed at the center of the top of the negative pressure generator (1) under the matching of the tee joint upper fixing groove (115) and the tee joint lower fixing groove (121); the three-way joint (13) is provided with a thin film at one end part which leaks outside the negative pressure generator (1), and only negative pressure gas can pass through the thin film and blood can not pass through the thin film;
The control module (6) is arranged in the negative pressure generator (1) and is supported by the upper cover support column (114) and the lower cover support column (124), the power supply (7) and the vacuum pump (5) are arranged below the control module (6), the power supply (7) is a lithium battery and is used for supplying power to the control module (6) and the vacuum pump (5), the control module (6) comprises a USB interface (61), a singlechip (62) and a pressure sensor (64), and the indicator lamp (8) and the switch (9) are also arranged on the control module (6);
The USB interface (61) is just arranged at the charging hole (113), the USB interface (61) can charge equipment, the pressure sensor (64) can measure the negative pressure output by the vacuum pump (5), then the pressure data is transmitted to the singlechip (62), the singlechip (62) controls the vacuum pump (5) to regulate the output negative pressure, and the singlechip (62) is required to be provided with a pressure control program to regulate the negative pressure so as to prevent the pressure from being too large or too small; the waste liquid collection box (2) with one side that negative pressure generator (1) contacted is equipped with collection lid (21), set up on collection lid (21) one can with three way connection (13) tight fit's round hole (211), collection lid (21) are close to negative pressure generator (1) one end left and right sides is equipped with circular-arc protruding (212), simultaneously negative pressure generator (1)'s top both sides also are equipped with the arch, and set up can with circular-arc protruding (212) complex circular-arc draw-in groove (14), every circular-arc draw-in groove (14)'s one end is equipped with a draw-in groove arch (141), two draw-in groove arch (141) are the diagonal and arrange, draw-in groove protruding (2121) have been seted up in circular-arc protruding (212) department that draw-in groove arch (141) corresponds.
2. The portable negative pressure therapeutic apparatus system according to claim 1, wherein a semicircular groove is formed in one side surface of the waste liquid collecting box (2), a suction tube connecting hole (22) is formed in the bottom of the groove, the suction tube connecting hole (22) can be connected with the suction tube (3), the negative pressure suction cup (4) is reconnected through the suction tube (3), negative pressure is transmitted to the negative pressure suction cup (4), and negative pressure therapy is performed on a wound.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| WO2009093116A1 (en) * | 2008-01-25 | 2009-07-30 | The University Of Cape Town | Wound dressing system and method |
| CN102143770A (en) * | 2008-09-18 | 2011-08-03 | 凯希特许有限公司 | Laminar dressings, systems, and methods for applying reduced pressure at a tissue site |
| WO2012065274A1 (en) * | 2010-11-15 | 2012-05-24 | Medela Holding Ag | Portable suction pump unit |
| KR20140137987A (en) * | 2013-05-25 | 2014-12-03 | 서현배 | Electronic aspirator |
| CN204072701U (en) * | 2014-09-21 | 2015-01-07 | 应夏英 | A kind of thoracic cavity wound healing piecing devices that can maintain negative pressure |
| CN109985283A (en) * | 2017-12-29 | 2019-07-09 | 厦门圣慈医疗器材有限公司 | Negative pressure wound therapy apparatuses, system and method |
| CN114939196A (en) * | 2022-05-13 | 2022-08-26 | 常州漫舒医疗科技有限公司 | Circuit system and method of portable negative pressure therapeutic instrument |
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|---|---|---|---|---|
| EP1919533A1 (en) * | 2005-07-24 | 2008-05-14 | Carmeli Adahan | Suctioning system, method and kit |
| TWI629072B (en) * | 2017-01-13 | 2018-07-11 | 廈門聖慈醫療器材有限公司 | Suction disc |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009093116A1 (en) * | 2008-01-25 | 2009-07-30 | The University Of Cape Town | Wound dressing system and method |
| CN102143770A (en) * | 2008-09-18 | 2011-08-03 | 凯希特许有限公司 | Laminar dressings, systems, and methods for applying reduced pressure at a tissue site |
| WO2012065274A1 (en) * | 2010-11-15 | 2012-05-24 | Medela Holding Ag | Portable suction pump unit |
| KR20140137987A (en) * | 2013-05-25 | 2014-12-03 | 서현배 | Electronic aspirator |
| CN204072701U (en) * | 2014-09-21 | 2015-01-07 | 应夏英 | A kind of thoracic cavity wound healing piecing devices that can maintain negative pressure |
| CN109985283A (en) * | 2017-12-29 | 2019-07-09 | 厦门圣慈医疗器材有限公司 | Negative pressure wound therapy apparatuses, system and method |
| CN114939196A (en) * | 2022-05-13 | 2022-08-26 | 常州漫舒医疗科技有限公司 | Circuit system and method of portable negative pressure therapeutic instrument |
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| CN114931671A (en) | 2022-08-23 |
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