CN114306778A - Negative pressure suction device for diabetic foot wound - Google Patents
Negative pressure suction device for diabetic foot wound Download PDFInfo
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- CN114306778A CN114306778A CN202210161652.8A CN202210161652A CN114306778A CN 114306778 A CN114306778 A CN 114306778A CN 202210161652 A CN202210161652 A CN 202210161652A CN 114306778 A CN114306778 A CN 114306778A
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- 208000008960 Diabetic foot Diseases 0.000 title claims abstract description 18
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 42
- 238000005086 pumping Methods 0.000 claims abstract description 14
- 238000004140 cleaning Methods 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 79
- 239000002699 waste material Substances 0.000 claims description 20
- 239000012528 membrane Substances 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000001179 sorption measurement Methods 0.000 claims description 5
- 230000006378 damage Effects 0.000 abstract description 5
- 238000002955 isolation Methods 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 208000027418 Wounds and injury Diseases 0.000 description 18
- 206010052428 Wound Diseases 0.000 description 17
- 230000004044 response Effects 0.000 description 6
- 244000052616 bacterial pathogen Species 0.000 description 3
- 238000004332 deodorization Methods 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000010812 mixed waste Substances 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
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Abstract
The invention discloses a negative pressure suction device for a diabetic foot wound, which comprises a machine body, wherein an inner assembly groove and an outer assembly groove are respectively arranged on the inner side wall and the outer side wall of the machine body, a control valve and a suction valve are respectively inserted and installed on the inner assembly groove and the outer assembly groove, a negative pressure main pipe, a negative pressure pumping pipe, an exhaust pipe and an exhaust pipe are respectively inserted and installed on the control valve, a control pipe is inserted and installed on the negative pressure main pipe, and one end, far away from the negative pressure main pipe, of the control pipe is inserted and installed on one end, far away from the inner assembly groove, of the control valve. The invention reduces the probability of mutual pollution and makes cleaning and disinfection more convenient by adopting a multifunctional separation design, reduces the germ pollution area, namely the cleaning and disinfection area, reduces the operation amount by adopting an isolation control design, increases the processing safety by sealing treatment of the pus and disinfection and filtration of mixed gas of the pus, and reduces the probability of secondary damage of the suction operation to the wound by a pulse suction mode.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a negative pressure suction device for a diabetic foot wound.
Background
Current negative pressure suction device is installation suction tube and negative pressure tubular construction on for the pus collecting bottle usually, suction tube connects and attracts the head, negative pressure union coupling negative pressure pump, then make through the negative pressure effect attract the head in inhaling the pus collecting bottle with the pus, but this kind of structural style is when using, last negative pressure attraction can lead to the wound to receive secondary damage, and negative pressure pump is direct to be connected with the pus collecting bottle, lead to germ and the foul smell in the pus to be inhaled and discharge, cause medical staff to infect easily, and when cleaning and disinfecting, need wash the disinfection to whole device, the regional great and disinfection work load of disinfection is great.
Disclosure of Invention
The invention aims to solve the defects that continuous negative pressure suction easily causes secondary injury of a wound, direct suction easily causes germ and malodorous gas to be discharged, safety is not high enough, and a larger disinfection area causes large disinfection workload in the prior art, and provides a negative pressure suction device for a diabetic foot wound.
In order to achieve the purpose, the invention adopts the following technical scheme:
a negative pressure suction device for wounds of diabetic feet comprises a machine body, wherein an inner assembly groove and an outer assembly groove are respectively arranged on the inner side wall and the outer side wall of the machine body, a control valve and a suction valve are respectively inserted and installed on the inner assembly groove and the outer assembly groove, a negative pressure main pipe, a negative pressure suction pipe, an exhaust pipe and an exhaust pipe are respectively inserted and installed on the control valve, a control pipe is inserted and installed on the negative pressure main pipe, one end, away from the negative pressure main pipe, of the control pipe is inserted and installed on one end, away from the inner assembly groove, of the control valve, one ends, away from the control valve, of the negative pressure main pipe and the exhaust pipe extend to the outer side of the machine body, a suction pipe and a discharge pipe are respectively inserted and installed on the suction valve, a fixed frame is installed on the outer side wall of the machine body, a waste liquid bottle is clamped and installed on the fixed frame, a liquid guide pipe and an air guide pipe are respectively inserted and installed on the waste liquid bottle, and one ends, away from the waste liquid guide pipe and the waste liquid bottle are respectively installed with a first joint and a second joint, the internal diameter of first joint equals the external diameter that the second connects, first joint is installed on the fluid-discharge tube, the bottom magnetic adsorption of organism installs liquid disinfection box, the lateral wall below of liquid disinfection box is inserted and is equipped with one-way trachea, the second joint is installed on one-way trachea, two jacks have been seted up at the top of liquid disinfection box, the control valve was kept away from all to extend to the below of organism and seal respectively to insert and establish in two jacks to negative pressure exhaust tube and blast pipe, seal installation has elastic diaphragm on the interior roof of liquid disinfection box, elastic diaphragm cover is established on inserting the jack that is equipped with the negative pressure exhaust tube.
Preferably, negative pressure chamber, exhaust chamber and control chamber have been seted up in proper order in the control valve, slide on the lateral wall between negative pressure chamber and the exhaust chamber and insert and be equipped with first control lever, the both ends of first control lever extend to the negative pressure intracavity respectively and exhaust the intracavity and install negative pressure stem and exhaust stem respectively, the one end that first control lever was kept away from to the negative pressure stem is installed and is fixed first reset spring on the lateral wall of negative pressure chamber.
Preferably, the lateral wall between exhaust chamber and the control chamber goes up to slide to insert and is equipped with the second control lever, the one end that the control chamber was kept away from to the second control lever extends to the exhaust intracavity and fixes on the exhaust stem, the one end that the exhaust chamber was kept away from to the second control lever extends to the control intracavity and installs first magnetic column.
Preferably, blast pipe and outlet duct evenly communicate with the exhaust chamber, the exhaust stem is kept away from the junction of blast pipe and outlet duct and control valve, the negative pressure is responsible for and the negative pressure is taken out the pipe and all is communicated with the negative pressure chamber, the negative pressure stem is stopped up the negative pressure and is responsible for and the junction that the negative pressure was taken out the pipe and control valve, control pipe and negative pressure chamber intercommunication, and the control pipe is located the negative pressure chamber and keeps away from one side of negative pressure stem.
Preferably, suction chamber and response chamber have been seted up respectively in the suction valve, it is equipped with the third control lever to insert to slide on the lateral wall between suction chamber and the response chamber, the both ends of third control lever extend to respectively and attract chamber and response intracavity and install respectively and attract stem and second magnetism post, one section cover that the third control lever is located the suction intracavity is equipped with the second reset spring that both ends were fixed respectively on attracting stem and attraction intracavity wall, second magnetism post and first magnetism post inter attraction.
Preferably, the liquid suction pipe and the liquid discharge pipe are both communicated with the suction cavity, a cleaning hole communicated with the suction cavity is formed in the side wall of one end of the suction valve, and a threaded cover is hermetically installed in the cleaning hole.
The invention has the beneficial effects that: through multi-functional disconnect-type design, reduce the probability of mutual contamination, and make cleaning and disinfection more convenient, through adopting the isolation control design, reduce germ pollution area, reduce cleaning and disinfection region promptly, reduce the operation volume, and filter through pus sealing treatment and pus mist disinfection, increase the security of handling, and reduce the probability of attracting operation to wound secondary damage through the mode that the pulse attracts.
Drawings
FIG. 1 is a schematic structural view of a negative pressure suction device for diabetic foot wounds according to the present invention;
FIG. 2 is an enlarged view of a control valve portion of the negative pressure suction device for diabetic foot wounds in accordance with the present invention;
FIG. 3 is an enlarged view of the suction valve part of the negative pressure suction device for diabetic foot wounds in accordance with the present invention;
FIG. 4 is an enlarged view of a part of a liquid disinfection box of the negative pressure suction device for diabetic foot wounds;
fig. 5 is an enlarged view of a waste liquid bottle part of the negative pressure suction device for diabetic foot wounds.
In the figure: 1 machine body, 11 inner assembly grooves, 12 outer assembly grooves, 13 fixing frames, 2 control valves, 21 negative pressure main pipes, 22 control pipes, 23 negative pressure pumping pipes, 24 exhaust pipes, 25 exhaust pipes, 26 negative pressure cavities, 27 exhaust cavities, 28 control cavities, 3 suction valves, 31 liquid pumping pipes, 32 liquid discharging pipes, 33 suction cavities, 34 induction cavities, 35 cleaning holes, 36 threaded covers, 4 waste liquid bottles, 41 liquid guide pipes, 42 first connectors, 43 air guide pipes, 44 second connectors, 5 liquid disinfection boxes, 51 one-way air pipes, 52 jacks, 53 elastic membranes, 6 first control rods, 61 core column negative pressure, 62 exhaust core columns, 63 first return springs, 7 second control rods, 71 first magnetic columns, 8 third control rods, 81 second magnetic columns, 82 suction core columns and 83 second return springs.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, a negative pressure suction device for diabetic foot wounds comprises a body 1, an inner assembly groove 11 and an outer assembly groove 12 are respectively arranged on the inner and outer side walls of the body 1, a control valve 2 and a suction valve 3 are respectively inserted and installed on the inner assembly groove 11 and the outer assembly groove 12, a main negative pressure pipe 21, a negative pressure suction pipe 23, an exhaust pipe 24 and an exhaust pipe 25 are respectively inserted and installed on the control valve 2, a control pipe 22 is inserted and installed on the main negative pressure pipe 21, one end of the control pipe 22 far away from the main negative pressure pipe 21 is inserted and installed on one end of the control valve 2 far away from the inner assembly groove 11, one ends of the main negative pressure pipe 21 and the exhaust pipe 25 far away from the control valve 2 extend to the outer side of the body 1, a suction pipe 31 and a discharge pipe 32 are respectively inserted and installed on the suction valve 3, a fixing frame 13 is installed on the outer side wall of the body 1, a waste liquid bottle 4 is clamped and a liquid guide pipe 41 and an air guide pipe 43 are respectively inserted and installed on the waste liquid bottle 4, the liquid guide tube 41 and the air guide tube 43 are respectively provided with a first joint 42 and a second joint 44 at one end far away from the waste liquid bottle 4, the inner diameter of the first joint 42 is equal to the outer diameter of the second joint 44, the first joint 42 is arranged on the liquid discharge tube 32, the bottom of the machine body 1 is provided with the liquid disinfection box 5 through magnetic adsorption, a one-way air tube 51 is inserted below the side wall of the liquid disinfection box 5, the second joint 44 is arranged on the one-way air tube 51, two insertion holes 52 are formed in the top of the liquid disinfection box 5, one ends of the negative pressure suction tube 23 and the exhaust tube 24 far away from the control valve 2 extend to the lower part of the machine body 1 and are respectively inserted in the two insertion holes 52 in a sealing manner, an elastic membrane 53 is arranged on the inner top wall of the liquid disinfection box 5 in a sealing manner, and the elastic membrane 53 covers the insertion holes 52 inserted with the negative pressure suction tube 23.
The negative pressure main pipe 21 is externally connected with a pulse negative pressure pump to provide intermittent negative pressure suction, intermittent negative pressure is formed in the liquid disinfection box 5 through the negative pressure suction pipe 23, the elastic diaphragm 53 is enabled to continuously contract and rebound, the pressure in the liquid disinfection box 5 is enabled to be continuously reduced and restored to alternate change, the liquid disinfection box 5 is enabled to generate intermittent suction through the one-way air pipe 51, intermittent suction is generated in the waste liquid bottle 4 through the second connector 44 and the air guide pipe 43, intermittent suction is generated in the liquid discharge pipe 32 through the liquid guide pipe 41 and the first connector 42, the liquid suction pipe 31 is connected with an external suction head to realize intermittent suction of wound pus, pain of a patient caused by continuous negative pressure suction is avoided, and secondary damage to a wound caused by continuous negative pressure suction is avoided;
the suction valve 3 is arranged at the outer side of the machine body 1, so that the disassembly, cleaning and disinfection are convenient, the control valve 2 is arranged in the machine body 1 and is mutually isolated from the suction valve 3, so that germs are prevented from entering the machine body, the waste liquid bottle 4 is not required to be disinfected, the disinfection difficulty is reduced, the waste liquid bottle 4 is a disposable article, and after the pus suction is finished, the first connector 42 is sleeved at the outer side of the second connector 44 and is tightly pressed, so that the waste liquid bottle 4 is sealed, the phenomenon that the pus germs pollute the outside or stink overflows is avoided, and the treatment is convenient;
the disinfection and deodorization liquid is arranged in the liquid disinfection box 5, and during the negative pressure adsorption process, the foul gas of the pus in the mixed waste liquid bottle 4 enters the liquid disinfection box 5 from the one-way air pipe 51 for disinfection and deodorization, so that the gas is prevented from being filled with germs and being prevented from emitting foul smell, and the purified gas can be discharged to the outside from the exhaust pipe 24 and the outlet pipe 25, and the negative pressure adsorption and deodorization liquid purification device is safer.
A negative pressure cavity 26, an exhaust cavity 27 and a control cavity 28 are sequentially formed in the control valve 2, a first control rod 6 is inserted on the side wall between the negative pressure cavity 26 and the exhaust cavity 27 in a sliding manner, two ends of the first control rod 6 respectively extend into the negative pressure cavity 26 and the exhaust cavity 27 and are respectively provided with a negative pressure core column 61 and an exhaust core column 62, one end, far away from the first control rod 6, of the negative pressure core column 61 is provided with a first reset spring 63 fixed on the side wall of the negative pressure cavity 26, a second control rod 7 is inserted on the side wall between the exhaust cavity 27 and the control cavity 28 in a sliding manner, one end, far away from the control cavity 28, of the second control rod 7 extends into the exhaust cavity 27 and is fixed on the exhaust core column 62, and one end, far away from the exhaust cavity 27, of the second control rod 7 extends into the control cavity 28 and is provided with a first magnetic column 71;
the exhaust pipe 24 and the exhaust pipe 25 are uniformly communicated with the exhaust cavity 27, the exhaust core column 62 is far away from the connection part of the exhaust pipe 24 and the exhaust pipe 25 and the control valve 2, the negative pressure main pipe 21 and the negative pressure pumping pipe 23 are both communicated with the negative pressure cavity 26, the negative pressure core column 61 blocks the connection part of the negative pressure main pipe 21 and the negative pressure pumping pipe 23 and the control valve 2, the control pipe 22 is communicated with the negative pressure cavity 26, and the control pipe 22 is positioned on one side of the negative pressure cavity 26 far away from the negative pressure core column 61.
When negative pressure suction is generated in the negative pressure main pipe 21, negative pressure suction is generated in the negative pressure cavity 26 through the control pipe 22, so that the negative pressure core column 61 compresses the first return spring 63 to move, the negative pressure main pipe 21 and the negative pressure suction pipe 23 are opened, negative pressure can be generated in the liquid disinfection box 5 to enable the elastic diaphragm 53 to contract, when the negative pressure core column 61 moves, the negative pressure core column 61 enables the exhaust core column 62 to move through the first control rod 6 and block the exhaust pipe 24 and the exhaust pipe 25, the liquid disinfection box 5 is sealed, and the liquid disinfection box 5 can only absorb negative pressure through the one-way air pipe 51;
when the negative pressure main pipe 21 loses the negative pressure suction force, the negative pressure core column 61 reversely moves under the action of the first return spring 63 and blocks the negative pressure main pipe 21 and the negative pressure pumping pipe 23, the negative pressure pumping pipe 23 loses the negative pressure to enable the elastic diaphragm 53 to rebound so that the pressure in the liquid disinfection box 5 is increased, the negative pressure core column 61 moves to enable the first control rod 6 to drive the exhaust core column 62 to open the exhaust pipe 24 and the exhaust pipe 25, and then gas in the liquid disinfection box 5 is discharged through the exhaust pipe 24 and the exhaust pipe 25.
Suction chamber 33 and response chamber 34 have been seted up respectively in the suction valve 3, it has third control lever 8 to insert to slide on the lateral wall between suction chamber 33 and the response chamber 34, the both ends of third control lever 8 extend to respectively in suction chamber 33 and the response chamber 34 and install respectively and attract stem 82 and second magnetic column 81, one section cover that third control lever 8 is located suction chamber 33 is equipped with the second reset spring 83 that both ends were fixed respectively on suction stem 82 and suction chamber 33 inner wall, second magnetic column 81 and first magnetic column 71 inter attraction, liquid suction pipe 31 and fluid-discharge tube 32 all communicate with suction chamber 33, set up the washing hole 35 that communicates suction chamber 33 on the one end lateral wall of suction valve 3, sealed mounting has threaded cover 36 in the washing hole 35.
When the exhaust stem 62 reciprocates and the first magnetic stem 71 reciprocates by the second control lever 7, when the first magnetic stem 71 approaches the suction valve 3, that is, when the negative pressure disappears, the first magnetic stem 71 approaches the suction valve 3, the attractive force between the first magnetic stem 71 and the second magnetic stem 81 increases, the second magnetic stem 81 is attracted and moved to the side close to the control valve 2, the suction stem 82 is pulled by the third control lever 8 to block the suction pipe 31 and the discharge pipe 32, and the backflow of the pus after the negative pressure stops is avoided, when the first magnetic stem 71 is away from the suction valve 3, that is, when the negative pressure occurs, the first magnetic stem 71 is away from the second magnetic stem 81, the attractive force between the first magnetic stem 71 and the second magnetic stem 81 decreases, the second return spring 83 pushes the suction stem 82 to move and open the suction pipe 31 and the discharge pipe 32, so that the negative pressure can suck the pus through the suction pipe 31 and the discharge pipe 32, realize isolation control, safe and reliable.
When the invention is used, the suction valve 3 is inserted into the external assembly groove 12, the liquid disinfection box 5 is filled with disinfectant and then is magnetically absorbed at the bottom of the machine body 1, so that the negative pressure suction pipe 23 and the exhaust pipe 24 are inserted into the jack 52, then the waste liquid bottle 4 is clamped on the fixed frame 13, the first connector 42 is arranged on the liquid discharge pipe 32, the second connector 44 is arranged on the one-way air pipe 51, the external suction head is arranged on the liquid suction pipe 31, and the external pulse negative pressure pump is connected with the negative pressure main pipe 21;
when the pulse negative pressure pump generates intermittent negative pressure in the negative pressure main pipe 21, the control pipe 22 enables the negative pressure core column 61 in the negative pressure cavity 26 to reciprocate, the first control rod 6 enables the exhaust core column 62 in the exhaust cavity 27 to reciprocate, the second control rod 7 enables the first magnetic column 71 in the control cavity 28 to reciprocate, the first magnetic column 71 enables the second magnetic column 81 to reciprocate in the induction cavity 34 through magnetic force, and the third control rod 8 enables the suction core column 82 in the suction cavity 33 to reciprocate;
when negative pressure suction force is generated to enable the negative pressure core column 61 to push the first return spring 63 to compress, the negative pressure main pipe 21 and the negative pressure pumping pipe 23 are opened, the exhaust pipe 24 and the exhaust pipe 25 are closed, the magnetic force of the first magnetic column 71 far away from the second magnetic column 81 is weakened, the second return spring 83 rebounds to enable the suction core column 82 to open the pumping pipe 31 and the liquid discharge pipe 32, the elastic membrane 53 is contracted by the negative pressure suction force to generate negative pressure in the liquid disinfection box 5, negative pressure is generated in the waste liquid bottle 4 through the one-way air pipe 51, the second connector 44 and the air guide pipe 43, negative pressure is generated in the liquid discharge pipe 32 through the liquid guide pipe 41 and the first connector 42, and the wound pus is sucked out by the suction head and then enters the waste liquid bottle 4 from the pumping pipe 31, the liquid discharge pipe 32, the first connector 42 and the liquid guide pipe 41 to be collected;
when the negative pressure suction force is lost so that the first return spring 63 pushes the negative pressure core column 61 to move reversely, the negative pressure main pipe 21 and the negative pressure pumping pipe 23 are closed, the exhaust pipe 24 and the air outlet pipe 25 are opened, the magnetic force of the first magnetic column 71 close to the second magnetic column 81 is enhanced, the second magnetic column 81 moves to enable the suction core column 82 to close the pumping pipe 31 and the liquid discharge pipe 32 through the third control rod 8, the pus backflow is avoided, the elastic membrane 53 is reset to increase the pressure in the liquid disinfection box 5 due to the disappearance of the negative pressure, and then the disinfected gas is discharged through the exhaust pipe 24 and the air outlet pipe 25;
after the wound treatment is finished, the first connector 42 and the second connector 44 are pulled out and the second connector 44 is inserted into the first connector 42, so that the waste liquid bottle 4 is sealed and thrown into a medical trash can for treatment, and then the suction valve 3 and the liquid sterilizing box 5 are detached and sterilized and cleaned.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A negative pressure suction device for a diabetic foot wound comprises a machine body (1) and is characterized in that an inner assembly groove (11) and an outer assembly groove (12) are respectively arranged on the inner side wall and the outer side wall of the machine body (1), a control valve (2) and a suction valve (3) are respectively inserted and installed on the inner assembly groove (11) and the outer assembly groove (12), a negative pressure main pipe (21), a negative pressure suction pipe (23), an exhaust pipe (24) and an exhaust pipe (25) are respectively inserted and installed on the control valve (2), a control pipe (22) is inserted and installed on the negative pressure main pipe (21), one end, far away from the negative pressure main pipe (21), of the control pipe (22) is inserted and installed on one end, far away from the inner assembly groove (11), of the control valve (2), one ends, far away from the control valve (2), of the negative pressure main pipe (21) and the exhaust pipe (25) extend to the outer side of the machine body (1), a liquid suction pipe (31) and a liquid discharge pipe (32) are respectively inserted and installed on the suction valve (3), a fixing frame (13) is installed on the outer side wall of the machine body (1), a waste liquid bottle (4) is clamped on the fixing frame (13), a liquid guide pipe (41) and a gas guide pipe (43) are respectively inserted in the waste liquid bottle (4), a first connector (42) and a second connector (44) are respectively installed at one end, far away from the waste liquid bottle (4), of the liquid guide pipe (41) and the gas guide pipe (43), the inner diameter of the first connector (42) is equal to the outer diameter of the second connector (44), the first connector (42) is installed on the liquid discharge pipe (32), a liquid disinfection box (5) is installed at the bottom of the machine body (1) in a magnetic adsorption mode, a one-way gas pipe (51) is inserted below the side wall of the liquid disinfection box (5), the second connector (44) is installed on the one-way gas pipe (51), two insertion holes (52) are formed in the top of the liquid disinfection box (5), one end of the negative pressure pumping pipe (23) and one end of the exhaust pipe (24), which are far away from the control valve (2), extend to the lower part of the machine body (1) and are respectively inserted in the two insertion holes (52) in a sealing manner, an elastic membrane (53) is installed on the inner top wall of the liquid disinfection box (5) in a sealing manner, and the elastic membrane (53) is covered on the insertion holes (52) inserted with the negative pressure pumping pipe (23).
2. The negative pressure suction device for the diabetic foot wound according to claim 1, characterized in that a negative pressure cavity (26), an exhaust cavity (27) and a control cavity (28) are sequentially formed in the control valve (2), a first control rod (6) is slidably inserted on the side wall between the negative pressure cavity (26) and the exhaust cavity (27), two ends of the first control rod (6) respectively extend into the negative pressure cavity (26) and the exhaust cavity (27) and are respectively provided with a negative pressure core column (61) and an exhaust core column (62), and one end of the negative pressure core column (61) far away from the first control rod (6) is provided with a first reset spring (63) fixed on the side wall of the negative pressure cavity (26).
3. The negative pressure suction device for the diabetic foot wound as claimed in claim 2, wherein a second control rod (7) is slidably inserted on the side wall between the exhaust cavity (27) and the control cavity (28), one end of the second control rod (7) far away from the control cavity (28) extends into the exhaust cavity (27) and is fixed on the exhaust stem (62), and one end of the second control rod (7) far away from the exhaust cavity (27) extends into the control cavity (28) and is provided with the first magnetic stem (71).
4. The negative pressure suction device for the diabetic foot wound according to claim 2, wherein the exhaust pipe (24) and the exhaust pipe (25) are uniformly communicated with the exhaust cavity (27), the exhaust core column (62) is far away from the connection between the exhaust pipe (24) and the exhaust pipe (25) and the control valve (2), the negative pressure main pipe (21) and the negative pressure suction pipe (23) are both communicated with the negative pressure cavity (26), the negative pressure core column (61) blocks the connection between the negative pressure main pipe (21) and the negative pressure suction pipe (23) and the control valve (2), the control pipe (22) is communicated with the negative pressure cavity (26), and the control pipe (22) is positioned on one side of the negative pressure cavity (26) far away from the negative pressure core column (61).
5. The negative pressure suction device for the diabetic foot wound according to claim 3, characterized in that a suction cavity (33) and a sensing cavity (34) are respectively formed in the suction valve (3), a third control rod (8) is slidably inserted into a side wall between the suction cavity (33) and the sensing cavity (34), two ends of the third control rod (8) respectively extend into the suction cavity (33) and the sensing cavity (34) and are respectively provided with a suction core column (82) and a second magnetic column (81), a section of the third control rod (8) located in the suction cavity (33) is sleeved with a second return spring (83) with two ends respectively fixed on inner walls of the suction core column (82) and the suction cavity (33), and the second magnetic column (81) and the first magnetic column (71) are mutually attracted.
6. The negative pressure suction device for the diabetic foot wound as claimed in claim 5, wherein the liquid suction pipe (31) and the liquid discharge pipe (32) are both communicated with the suction cavity (33), a cleaning hole (35) communicated with the suction cavity (33) is formed in the side wall of one end of the suction valve (3), and a threaded cover (36) is hermetically installed in the cleaning hole (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210161652.8A CN114306778B (en) | 2022-02-22 | 2022-02-22 | Negative pressure suction device for diabetic foot wound |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210161652.8A CN114306778B (en) | 2022-02-22 | 2022-02-22 | Negative pressure suction device for diabetic foot wound |
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| CN114306778A true CN114306778A (en) | 2022-04-12 |
| CN114306778B CN114306778B (en) | 2023-06-16 |
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| CN204016933U (en) * | 2014-07-24 | 2014-12-17 | 四川大学华西医院 | Sputum disinfection device |
| JP2019025287A (en) * | 2017-07-26 | 2019-02-21 | 有限会社エイコー産業 | Waste liquid suction device, method and washing method of waste liquid suction device |
| CN209827714U (en) * | 2019-04-12 | 2019-12-24 | 川北医学院附属医院 | A device that is used for diabetes foot wound negative pressure to attract treatment |
| CN110624142A (en) * | 2019-10-28 | 2019-12-31 | 华中科技大学同济医学院附属协和医院 | Subcutaneous emphysema negative pressure suction device |
| CN110960739A (en) * | 2019-12-27 | 2020-04-07 | 陕西中医药大学 | Negative pressure suction treatment device for diabetic foot wound |
| CN214807154U (en) * | 2021-01-07 | 2021-11-23 | 郑晶晶 | Novel equipment for removing phlegm scab |
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