Wound negative pressure suction device
By introducing filter components into the wound negative pressure suction device, air and secretions at the wound are filtered using activated carbon layer, fiberglass layer and polyester membrane layer, the infection risk problem caused by the failure of the existing device to be added, and the risk of infection is improved. The service life of the device and the recovery of the patient.
Patent Information
- Application Number
- CN202420429966.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-06
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-03-06
AI Technical Summary
The existing wound negative pressure suction device has not added filtration function, which leads to an increase in the risk of infection and affects the patient's recovery.
A wound negative pressure suction device including a filter assembly is designed, which consists of an activated carbon layer, a fiberglass layer and a polyester membrane layer to filter air and secretions at the wound and reduce bacterial entry.
Through the installation of the filter assembly, the contamination of bacteria entering the negative pressure pump and wounds is effectively reduced, and the service life of the wound negative pressure suction device and the patient's wound recovery is improved.
Smart Images

Figure CN222467630U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wound treatment, in particular to a wound negative pressure suction device. Background Art
[0002] Wound negative pressure suction is currently widely used in various clinical departments, such as hepatobiliary and pancreatic surgery. When examining and operating on tumors, obstructions, stones, infections and other lesions of the liver, gallbladder, pancreas, etc., exudate will appear, and wound negative pressure suction is generally used. It has the functions of sealing the wound to avoid infection, continuous suction, generating negative pressure, reducing the generation and soaking of wound exudate, and promoting wound healing. However, the existing wound negative pressure suction has a good suction effect, but the function is relatively single. The wound not only needs continuous suction, but also requires comprehensive measures such as anti-inflammatory, analgesic, anti-anaerobic bacteria when necessary, and promotion of tissue growth to help the wound recover. Therefore, we need a wound negative pressure suction device.
[0003] The new wound negative pressure suction device disclosed in the publication number CN204233594U has a reasonable design, simple structure, and is easy to use. It can be easily installed on the wound site and can effectively block the wound tissue and the suction tube mouth to ensure the normal suction. At the same time, the integrated structural design of the utility model can also significantly reduce costs and reduce the economic burden on patients.
[0004] However, the new wound negative pressure suction device has the following disadvantages: when the wound negative pressure suction device is used, both the wound and the negative pressure pump must reduce the entry of bacteria, and no filtering function is added, which is not convenient for reducing the risk of infection and affects the patient's recovery. Utility Model Content
[0005] 1. Technical issues to be resolved
[0006] The technical problem solved by the utility model is to provide a wound negative pressure suction device which is highly practical, can be easily operated and has a relatively simple structure, thereby solving the problem in the above-mentioned background technology that the filtering function is not added, which is not convenient for reducing the risk of infection and affects the patient's recovery.
[0007] (II) Technical solution
[0008] To achieve the above objectives, the utility model is implemented through the following technical solutions: a wound negative pressure suction device, comprising a holding rack, an inner bottom wall of the holding rack fixedly connected to a negative pressure component, both sides of the inner wall of the holding rack fixedly connected to reinforcement components, one side of the holding rack fixedly connected to a clamping strip, a collecting bucket is provided inside the holding rack, a bucket cover is clamped on the top surface of the collecting bucket, the edge of the top surface of the bucket cover is connected to a negative pressure pipe port, the surface of the negative pressure pipe port is threadedly connected to a connecting pipe A, the other side of the top surface of the bucket cover is connected to an adsorption pipe port, the surface of the adsorption pipe port is threadedly connected to a connecting pipe B, one end of the connecting pipe A and the connecting pipe B are both connected to a filter component, one end of one of the filter components is connected to a shunt component, one end of the shunt component is threadedly connected to a suction component, and a dressing component is provided on the surface of the suction component.
[0009] As a further solution of the utility model, the negative pressure component includes a negative pressure pump fixedly connected to the inner bottom wall of the containing rack, and the output end of the negative pressure pump is connected to a negative pressure tube, and the negative pressure pump provides a function of extracting air from the wound.
[0010] As a further solution of the utility model, the filter assembly includes a filter cover which is connected to one end of the connecting pipe A and the connecting pipe B, the internal thread of the filter cover is connected to a filter bottom box, an activated carbon layer is placed inside the filter bottom box, a fiber glass layer is provided on the surface of the activated carbon layer, a polyester film layer is provided on the surface of the fiber glass layer, and the polyester film layer facilitates filtering of microorganisms.
[0011] As a further solution of the utility model, the diversion component includes a drainage tube connected to one end of the filtering component, one end of the drainage tube is connected to a three-way pipe, three valves are fixedly connected to the surface of the three-way pipe, and the three-way pipe is convenient for creating a connection for multiple wounds.
[0012] As a further solution of the utility model, the suction component includes a suction tube threadedly connected to the diversion component, and two cavities are opened inside the suction tube. A flushing tube is fixedly connected to the inside of one of the cavities, and the flushing tube is convenient for flushing the wound.
[0013] As a further solution of the utility model, a medicine delivery tube is fixedly connected to the interior of another cavity, and a suction port is provided at the edge of one end of the suction tube, so that the medicine delivery tube is convenient for delivering medicine to the wound.
[0014] (III) Beneficial effects
[0015] The utility model provides a wound negative pressure suction device, which has the following beneficial effects:
[0016] 1. The wound negative pressure suction device is provided with a filtering component. When in use, after the wound is pasted, the negative pressure pump is started. The negative pressure pump extracts the air from the wound to form a closed negative pressure environment. The air or secretions will be adsorbed and filtered when passing through the filter bottom box. The activated carbon layer, fiber glass layer and polyester film layer will filter the air or secretions. The filtered medium will be replaced in time to prevent bacteria from entering the negative pressure pump and contaminating the wound, thereby increasing the service life of the wound negative pressure suction device and improving the patient's wound recovery.
[0017] 2. The wound negative pressure suction device, through the setting of the shunt component and the suction component, when in use, adjusts the number of connections between the suction tube and the three-way tube according to the number of wounds of the patient, opens the corresponding valve, so that different suction tubes can treat different wounds. In addition to increasing the negative pressure at the wound, the secretion or waste liquid after flushing can be sucked out and discharged into the collection bucket, providing integrated treatment for multiple wounds. At the same time, the negative pressure pump can treat multiple wounds, reducing the workload of medical staff, saving time and medical resources, and reducing the burden on patients. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0019] Figure 2 This is a schematic diagram of the structure of the negative pressure component of the utility model;
[0020] Figure 3 This is a schematic diagram of the structure of the reinforcement component of the utility model;
[0021] Figure 4 This is a schematic diagram of the structure of the shunt component of the utility model.
[0022] In the figure: 1. holding rack; 2. negative pressure component; 201. negative pressure pump; 202. negative pressure tube; 3. reinforcement component; 301. spring; 302. clamp ring; 303. anti-slip cotton; 4. clamp strip; 5. collection bucket; 6. bucket cover; 7. negative pressure pipe mouth; 8. connecting pipe A; 9. adsorption pipe mouth; 10. connecting pipe B; 11. filter component; 1101. filter cover; 1102. filter bottom box; 1103. activated carbon layer; 1104. fiber glass layer; 1105. polyester film layer; 12. diversion component; 1201. drainage tube; 1202. three-way pipe; 1203. valve; 13. suction component; 1301. suction tube; 1302. flushing tube; 1303. medicine delivery tube; 14. dressing component; 1401. wound pad; 1402. sealing patch. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] See also Figures 1 to 4 The utility model provides a technical solution: a wound negative pressure suction device, comprising a holding rack 1, the inner bottom wall of the holding rack 1 is fixedly connected to a negative pressure component 2, both sides of the inner wall of the holding rack 1 are fixedly connected to reinforcement components 3, one side of the holding rack 1 is fixedly connected to a clamping strip 4, a collecting bucket 5 is arranged inside the holding rack 1, a bucket cover 6 is clamped on the top surface of the collecting bucket 5, the edge of the top surface of the bucket cover 6 is connected to a negative pressure pipe port 7, the surface of the negative pressure pipe port 7 is threadedly connected to a connecting pipe A8, and the other side of the top surface of the bucket cover 6 is connected to a suction pipe 7. The surface of the adsorption pipe port 9 is threadedly connected with a connecting pipe B10, and one end of the connecting pipe A8 and the connecting pipe B10 are both connected with a filter component 11. Through the setting of the filter component 11, when in use, after the wound is pasted, the negative pressure pump 201 is started, and the negative pressure pump 201 extracts the air from the wound to form a closed negative pressure environment. The air or secretions will be adsorbed and filtered when passing through the filter bottom box 1102, the activated carbon layer 1103, the fiberglass layer 1104 and the polyester film layer 1105. Used to filter air or secretions, and replace the filtered medium in time to prevent bacteria from entering the negative pressure pump 201 and contaminating the wound, thereby improving the service life of the wound negative pressure suction device and improving the recovery of the patient's wound. One end of one of the filter components 11 is connected to a shunt component 12, and one end of the shunt component 12 is threadedly connected to a suction component 13. Through the settings of the shunt component 12 and the suction component 13, when in use, according to the number of wounds of the patient, the number of connections between the suction tube 1301 and the three-way pipe 1202 is adjusted, and the corresponding valve 1203 is opened, so that different suction tubes 1301 can treat different wounds. In addition to increasing the negative pressure at the wound, secretions or waste liquid after flushing can be sucked out and discharged into the collection bucket 5, providing integrated treatment for multiple wounds. At the same time, the negative pressure pump 201 can treat multiple wounds, reducing the workload of medical staff, saving time and medical resources, and reducing the burden on patients. The surface of the suction component 13 is provided with a dressing component 14;
[0025] See also Figure 2 The negative pressure component 2 includes a negative pressure pump 201 fixedly connected to the inner bottom wall of the containing rack 1, and the output end of the negative pressure pump 201 is connected to a negative pressure pipe 202. The negative pressure component 2 is provided to increase the negative pressure;
[0026] See also Figure 2The filter assembly 11 includes a filter cover 1101 connected to one end of the connecting pipe A8 and the connecting pipe B10, the inner thread of the filter cover 1101 is connected to a filter bottom box 1102, an activated carbon layer 1103 is placed inside the filter bottom box 1102, a fiber glass layer 1104 is arranged on the surface of the activated carbon layer 1103, and a polyester film layer 1105 is arranged on the surface of the fiber glass layer 1104, and the filter assembly 11 is arranged to play a filtering role;
[0027] See also Figure 4 The flow dividing component 12 includes a drainage tube 1201 connected to one end of the filter component 11, one end of the drainage tube 1201 is connected to a three-way tube 1202, and three valves 1203 are fixedly connected to the surface of the three-way tube 1202. Through the arrangement of the flow dividing component 12, multiple groups of wounds can be treated with negative pressure;
[0028] See also Figure 4 The suction component 13 includes a suction tube 1301 threadedly connected to the diversion component 12. Two cavities are provided inside the suction tube 1301. A flushing tube 1302 is fixedly connected inside one of the cavities. The suction component 13 plays a connection and flushing role.
[0029] See also Figure 4 A medicine delivery tube 1303 is fixedly connected to the inside of the other cavity, and a suction port is provided at the edge of one end of the suction tube 1301. Through the setting of the medicine delivery tube 1303, antibacterial or other drugs that help to heal the wound are delivered.
[0030] Embodiment 1:
[0031] See also Figure 3 The reinforcement component 3 includes a plurality of springs 301 fixedly connected to both sides of the inner wall of the holding rack 1, one end of the spring 301 is fixedly connected to a clamping ring 302, and one side of the clamping ring 302 is fixedly connected to an anti-slip cotton 303. The reinforcement component 3 is arranged to fix the collection bucket 5;
[0032] Embodiment 2:
[0033] See also Figure 4 The dressing component 14 includes a wound pad 1401 arranged on the surface of the suction component 13. The top surface of the wound pad 1401 is adhesively connected to a sealing patch 1402. Through the setting of the dressing component 14, it can fit the wound and create a closed environment for the wound.
[0034] In the utility model, the working steps of the device are as follows:
[0035] Step 1: When in use, after the wound is pasted, start the negative pressure pump 201, which pumps out the air from the wound to form a closed negative pressure environment. The air or secretions will pass through the filter bottom box 1102, and the activated carbon layer 1103, the fiberglass layer 1104 and the polyester film layer 1105 will perform adsorption and filtration to filter the air or secretions;
[0036] Step 2: When in use, adjust the number of connections between the suction tube 1301 and the three-way tube 1202 according to the number of wounds of the patient, open the corresponding valve 1203, so that different suction tubes 1301 can treat different wounds. In addition to increasing the negative pressure at the wound, secretions or waste liquid after flushing can be sucked out and discharged into the collection bucket 5.
[0037] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;
[0038] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.
[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A wound negative pressure suction device, comprising a holding frame (1), characterized in that: The inner bottom wall of the containing rack (1) is fixedly connected to a negative pressure assembly (2), both sides of the inner wall of the containing rack (1) are fixedly connected to reinforcement assemblies (3), one side of the containing rack (1) is fixedly connected to a clamping strip (4), a collecting barrel (5) is arranged inside the containing rack (1), a barrel cover (6) is clamped on the top surface of the collecting barrel (5), the edge of the top surface of the barrel cover (6) is connected to a negative pressure pipe port (7), the surface of the negative pressure pipe port (7) is threadedly connected to a connecting pipe A (8), the The other side of the top surface of the barrel cover (6) is connected to an adsorption pipe opening (9), and the surface of the adsorption pipe opening (9) is threadedly connected to a connecting pipe B (10), and one end of the connecting pipe A (8) and the connecting pipe B (10) are both connected to a filter assembly (11), one end of one of the filter assemblies (11) is connected to a diversion assembly (12), and one end of the diversion assembly (12) is threadedly connected to a suction assembly (13), and a dressing assembly (14) is provided on the surface of the suction assembly (13).
2. A wound negative pressure suction device according to claim 1, characterized in that: The negative pressure component (2) comprises a negative pressure pump (201) fixedly connected to the inner bottom wall of the containing rack (1), and the output end of the negative pressure pump (201) is connected to a negative pressure pipe (202).
3. A wound negative pressure suction device according to claim 1, characterized in that: The filter assembly (11) comprises a filter cover (1101) which is connected to one end of a connecting pipe A (8) and a connecting pipe B (10); the filter cover (1101) is internally threadedly connected to a filter bottom box (1102); an activated carbon layer (1103) is placed inside the filter bottom box (1102); a fiberglass layer (1104) is disposed on the surface of the activated carbon layer (1103); and a polyester film layer (1105) is disposed on the surface of the fiberglass layer (1104).
4. A wound negative pressure suction device according to claim 1, characterized in that: The diversion component (12) comprises a drainage tube (1201) connected to one end of the filter component (11), one end of the drainage tube (1201) is connected to a three-way tube (1202), and three valves (1203) are fixedly connected to the surface of the three-way tube (1202).
5. A wound negative pressure suction device according to claim 1, characterized in that: The suction component (13) comprises a suction tube (1301) threadedly connected to the diversion component (12), and two cavities are provided inside the suction tube (1301), and a flushing tube (1302) is fixedly connected to the inside of one of the cavities.
6. A wound negative pressure suction device according to claim 5, characterized in that: A medicine delivery tube (1303) is fixedly connected to the interior of the other cavity, and a suction port is provided at the edge of one end of the suction tube (1301).
Citation Information
Patent Citations
Novel wound negative pressure suction device
CN204233594U
Cited By
Portable wound negative pressure treatment device
CN224387823U