CN105457110A - Manual negative pressure treatment device - Google Patents
Manual negative pressure treatment device Download PDFInfo
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- CN105457110A CN105457110A CN201610008555.XA CN201610008555A CN105457110A CN 105457110 A CN105457110 A CN 105457110A CN 201610008555 A CN201610008555 A CN 201610008555A CN 105457110 A CN105457110 A CN 105457110A
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- Prior art keywords
- negative pressure
- manual
- check valve
- syringe
- manual negative
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- 239000007788 liquid Substances 0.000 claims abstract description 60
- 210000000416 exudates and transudate Anatomy 0.000 claims abstract description 15
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 230000001225 therapeutic effect Effects 0.000 claims description 43
- 239000012530 fluid Substances 0.000 claims description 8
- 230000004913 activation Effects 0.000 claims description 7
- 238000010943 off-gassing Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 4
- 206010052428 Wound Diseases 0.000 description 36
- 208000027418 Wounds and injury Diseases 0.000 description 36
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 210000003205 muscle Anatomy 0.000 description 5
- 238000009581 negative-pressure wound therapy Methods 0.000 description 5
- 230000001737 promoting effect Effects 0.000 description 5
- 230000010354 integration Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 210000003722 extracellular fluid Anatomy 0.000 description 2
- 230000035876 healing Effects 0.000 description 2
- 102000004506 Blood Proteins Human genes 0.000 description 1
- 108010017384 Blood Proteins Proteins 0.000 description 1
- 206010021138 Hypovolaemic shock Diseases 0.000 description 1
- 108090000723 Insulin-Like Growth Factor I Proteins 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 102000013275 Somatomedins Human genes 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 206010040560 shock Diseases 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/64—Containers with integrated suction means
- A61M1/67—Containers incorporating a piston-type member to create suction, e.g. syringes
-
- A61F13/05—
-
- A61M1/0023—
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/71—Suction drainage systems
- A61M1/74—Suction control
- A61M1/741—Suction control with means for varying suction manually
-
- 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
- A61M1/80—Suction pumps
- A61M1/81—Piston pumps, e.g. syringes
-
- 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
- A61M27/00—Drainage appliance for wounds or the like, i.e. wound drains, implanted drains
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F2013/00089—Wound bandages
-
- 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
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/04—Liquids
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/07—General characteristics of the apparatus having air pumping means
- A61M2205/071—General characteristics of the apparatus having air pumping means hand operated
- A61M2205/073—Syringe, piston type
Abstract
The embodiment of the invention provides a manual negative pressure treatment device. The manual negative pressure treatment device comprises a manual negative pressure source, an air inlet check valve, an exhaust check valve and a liquid collecting device. The manual negative pressure source is used for generating negative pressure in a manual actuating mode and is provided with a two-way air circuit connector. The air inlet check valve is connected with the two-way air circuit connector through an air circuit and used for providing negative pressure for the liquid collecting device to pump and suck wound exudate of a patient. The exhaust check valve is connected with the two-way air circuit connector through an air circuit and used for discharging air in the manual negative pressure source. The liquid collecting device is connected with the air inlet check valve and dressings through air circuits respectively and used for storing the wound exudate of the patient. The manual negative pressure source comprises an injector-shaped negative pressure pump and at least one a rebounding device connected with the injector-shaped negative pressure pump and used for making the injector-shaped negative pressure pump perform one-way actuation. The manual negative pressure treatment device is easy to operate and use, physical strength is saved, and stability of the manual negative pressure treatment device in the treatment process is improved.
Description
Technical field
The present invention relates to field of medical device, particularly relate to a kind of Manual negative pressure therapeutic equipment.
Background technology
Negative pressure wound therapy (NegativePressureWoundTherapy, NPWT) is the trauma care mode of the advanced person that development in recent years is got up.It mainly by applying lower negative pressure (general-55mmHg to 175mmHg) to wound, promotes the healing of wound surface.Particularly, vacuum suction acts on cell membrane, can make it expansion, distortion, cell just thinks damage, and the information of conduction impairment, to nucleus, is changed by signal, heal before causing emiocytosis somatomedin, comprises the vascular proliferation factor, thus stimulate tissue to produce more new vessels; In addition, vacuum suction siphons away transudate from wound surface, helps to set up wound bed fluid balance; And can reach a moistening environment is provided, remove slough, reduce the bacterial number (because antibacterial not easily survives under negative pressure) of wound surface, alleviate the effect of edema (i.e. extracellular fluid/intercellular fluid); Secondly, when captivation acts on dressing, air is sucked away, and dressing is with regard to collapses down and compressing acts on wound surface uniformly, and this pressure can resist the excessive of the wound surface caused and ooze out.Therefore negative pressure wound therapy technology can be used for Patients with Big Area Burn, can avoid patient being made to lose too much plasma protein because a large amount of wound surface oozes out by this technology, reduce the probability that hypovolemic shock occurs for it.Show according to clinical over nearly 10 years of the U.S., the treatment of wounds of negative pressure wound therapy to various acute and chronic has good healing effect.
At present, negative pressure treatment equipment mostly is battery powered pump to provide negative pressure.But, the cost intensive of these pumps, and need to safeguard that the electric power of battery is guaranteed in charging.But due to the prescription of present battery technology and negative pressure equipment, the treatment time of Electric negative pressure therapeutic equipment is made to can not get ensureing, such as, and for a lot of inconvenient place of charging, field or disaster relief, this Electric negative pressure therapeutic equipment cannot be applied.So in this case, need to use mechanical type negative pressure equipment.In prior art, the mode of the usual use elastic compression of mechanical type negative pressure equipment provides negative pressure, this compress mode needs to expend the permanent use of a large amount of strength ability of user, cause burden to user, after user physically-draining, treatment below can be affected.And, when employing syringe-like negative pressure pump, when pulling push rod, easily affect Manual negative pressure therapeutic equipment, Manual negative pressure therapeutic equipment is shaken, or need to use other external force to fix in advance and stop dynamic negative pressure treatment equipment, be inconvenient to use, and affect the stability of Manual negative pressure therapeutic equipment.
Summary of the invention
Embodiment of the present invention technical problem to be solved is, provides a kind of Manual negative pressure therapeutic equipment, is easy to operation and uses, save muscle power, and increase Manual negative pressure therapeutic equipment stability over the course for the treatment of.
In order to solve the problems of the technologies described above, the embodiment of the present invention provides a kind of Manual negative pressure therapeutic equipment, it is characterized in that, comprising:
Manual negative pressure source, produces negative pressure for manual activation, and there is a two-way air-path interface in described Manual negative pressure source;
Breather check valve, is connected with described two-way air-path interface gas circuit, for providing suction patient wound the negative pressure of transudate for liquid collector;
Exhaust check valve, is connected with described two-way air-path interface gas circuit, for discharging the air in described Manual negative pressure source;
Liquid collector, is connected, for storing the wound fluid of patient with described breather check valve and dressing difference gas circuit;
Wherein, described Manual negative pressure source is for comprising a syringe-like negative pressure pump, and at least one and described syringe-like negative pressure pump is connected and resilient mounting for making described syringe-like negative pressure pump carry out an one way actuating.
Further, described syringe-like negative pressure pump specifically comprises syringe, the two-way air-path interface of syringe one end, the push rod be arranged in described syringe, the piston of described push rod one end and the push jack of the described push rod other end, the described two-way gas circuit mouth of pipe is connected with one end of a two-way pipeline, and the other end of described two-way pipeline is connected with breather check valve and exhaust check valve.
Further, described resilient mounting comprises a resilience containing pipe, the depression bar be arranged in described resilience containing pipe, described depression bar one end are contained in elastic component in described resilience containing pipe, and the other end of described depression bar is connected with described push jack.
Further, described elastic component is spring.
Further, the quantity of described resilient mounting is two, is separately positioned on the both sides of described syringe-like negative pressure pump.
Further, also comprise: a pressure-indication means, be connected with described liquid collector gas circuit, be used to indicate the pressure in described Manual negative pressure source.
Further, described pressure-indication means is the corrugated tube that one end has connecting interface and the other end and closes, and described connecting interface is connected with described liquid collector gas circuit.
Further, also comprise: a common housing, this common housing defines described liquid collector and described syringe.
Further, described common housing is provided with a pockets, for placing described corrugated tube.
Further, described breather check valve and the integrated air valve of described outgassing nonreturn valve
Implement the embodiment of the present invention, there is following beneficial effect: the Manual negative pressure therapeutic equipment that the embodiment of the present invention provides is provided with resilient mounting, as long as user needs the push rod discharge air wherein of manual compression syringe-like negative pressure pump, push rod can be upspring by elastic device automatically, form suction force, and do not need user manually to pull push rod, avoid and in the process pulling push rod, Manual negative pressure therapeutic equipment is shaken, or need to use other external force to fix in advance and stop dynamic negative pressure treatment equipment, be easy to operation use, save muscle power, and increase Manual negative pressure therapeutic equipment stability over the course for the treatment of.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, the accompanying drawing obtaining other according to these accompanying drawings still belongs to category of the present invention.
Fig. 1 shows the structural representation of a kind of Manual negative pressure therapeutic equipment first embodiment provided by the invention.
Fig. 2 is the concrete structure schematic diagram in the Manual negative pressure source shown in Fig. 1.
Fig. 3 shows the structural representation of a kind of Manual negative pressure therapeutic equipment second embodiment provided by the invention.
Fig. 4 shows the structural representation of a kind of Manual negative pressure therapeutic equipment the 3rd embodiment provided by the invention.
Fig. 5 shows the structural representation of a kind of Manual negative pressure therapeutic equipment the 4th embodiment provided by the invention.
Detailed description of the invention
The explanation of following embodiment is with reference to accompanying drawing, and in order to formula example, the present invention can in order to the specific embodiment implemented.The direction term that the present invention mentions, such as " on ", D score, "front", "rear", "left", "right", " interior ", " outward ", " side " etc., be only the direction with reference to annexed drawings.Therefore, the direction term of use is in order to illustrate and to understand the present invention, and is not used to limit the present invention.
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Figure 1, Fig. 1 shows the structural representation of a kind of Manual negative pressure therapeutic equipment first embodiment provided by the invention, concrete, this Manual negative pressure therapeutic equipment 10 comprises: Manual negative pressure source 1000, breather check valve 120, exhaust check valve 130, liquid collector 140.
See Fig. 2, Fig. 2 concrete structure schematic diagram for the Manual negative pressure source shown in Fig. 1.In the present embodiment, Manual negative pressure source 1000 produces negative pressure for manual activation, Manual negative pressure source 1000 specifically comprises a syringe-like negative pressure pump 1010, and is at least onely connected with syringe-like negative pressure pump 1010 and resilient mounting 1110 for making syringe-like negative pressure pump 1010 carry out an one way actuating.In the present embodiment, the quantity of resilient mounting 1110 is two, is separately positioned on the both sides of syringe-like negative pressure pump 1010.
Wherein, syringe-like negative pressure pump 1010 specifically comprises syringe 1020, the two-way air-path interface 1050 of syringe 1020 one end, the push rod 1030 be arranged in syringe 1020, the piston 1040 of push rod 1030 one end and the push jack 1060 of push rod 1030 other end.Resilient mounting 1110 comprises a resilience containing pipe 1120, the depression bar 1130 be arranged in resilience containing pipe 1120, depression bar 1130 one end are contained in elastic component 1140 in resilience containing pipe 1120, and the other end of depression bar 1130 is connected with push jack 1060.Elastic component 1140 is preferably spring.
In the present embodiment, breather check valve 120 is connected with two-way air-path interface 1050 gas circuit, for providing suction patient wound the negative pressure of transudate for liquid collector 140; Exhaust check valve 130 is connected with two-way air-path interface 1050 gas circuit, for discharging the air in Manual negative pressure source 1000; Liquid collector 140 is connected with breather check valve 120 gas circuit, and is connected with the dressing gas circuit covered on patient wound by dressing interface 141, and for storing the wound fluid of patient.Preferably, the two-way pipeline 111 in the present embodiment is Y-piece road.
In the present embodiment, before use, due to the effect of elastic component 1140, depression bar 1130 initial position is the state of pull-up, and drive push rod 1030 is the state of pull-up simultaneously.During use, promote push jack 1060, promote push rod 1030.When inwardly promoting push rod 1030, gas is discharged by exhaust check valve 130, and now breather check valve 120 is closed, and air cannot be entered in liquid collector 140 by this breather check valve 120.Meanwhile, press depression bar 1130 elasticity of compression component 1140, make it be compressive state, when after drained air, user unclamps push jack 1060, elastic component 1140 is upspring depression bar 1130, drives push rod 1030 simultaneously, pulls the piston 1040 of push rod 1030 end, form suction force, gas enters syringe 1020 by this breather check valve 120, and now exhaust check valve 130 is closed, and air cannot be entered in syringe 102 by this exhaust check valve 130.Correspondingly, that is, when pulling out push rod 1030, Manual negative pressure source 1000 provides negative pressure for liquid collector 140, is aspirated the transudate of patient wound by dressing interface 141 and the dressing covered on patient wound.
In the present embodiment, preferably use two repellers 1110, push rod 1030 of can more effectively upspringing like this, user, without the need to manual pull-up push rod 1030, can avoid rocking of Manual negative pressure therapeutic equipment, and is highly susceptible to using.Therefore, the elastic force of elastic component 1140 is greater than the pressure differential of the air pressure on push jack and the negative pressure in liquid collector 140.
The volume of the syringe 1020 of the syringe-like negative pressure pump in the present embodiment is 15-50ml, preferably, is 20ml.
In addition, in the present embodiment, also establish a pressure-indication means 150 be connected with liquid collector 140 gas circuit, be used to indicate the pressure in Manual negative pressure source 1000.Preferably, this pressure-indication means 150 has the corrugated tube that connecting interface and the other end close for one end, and this connecting interface is connected with liquid collector 140 gas circuit.When pulling out push rod 1030, for liquid collector 140 provides negative pressure, now due to pressure-indication means 150, namely corrugated tube is connected with this liquid collector 140, when this corrugated tube is subject to negative pressure, can be compressive state, the negative pressure value in liquid collector 140 can be calculated according to the compressive deformation of corrugated tube and the pressure running parameter of correspondence, shown in Figure 4, the negative pressure value that Manual negative pressure source 1000 provides can be indicated accordingly.In addition, corrugated tube directly can also be connected with two-way air-path interface 1050 or two-way pipeline 111 by another breather check valve.
Implement the embodiment of the present invention, there is following beneficial effect: the Manual negative pressure therapeutic equipment that the embodiment of the present invention provides is provided with resilient mounting, as long as user needs the push rod discharge air wherein of manual compression syringe-like negative pressure pump, push rod can be upspring by elastic device automatically, form suction force, and do not need user manually to pull push rod, avoid in the process pulling push rod, Manual negative pressure therapeutic equipment is shaken, or need to use other external force to fix in advance and stop dynamic negative pressure treatment equipment, be easy to operation use, save muscle power, and increase Manual negative pressure therapeutic equipment stability over the course for the treatment of.
As shown in Figure 3, Fig. 3 shows the structural representation of a kind of Manual negative pressure therapeutic equipment second embodiment provided by the invention, concrete, this Manual negative pressure therapeutic equipment 20 comprises: Manual negative pressure source 10000, breather check valve 120, exhaust check valve 130, pressure-indication means 150, common housing 340.This this common housing of common housing 340 defines liquid collector 341 and syringe 1020, and by accommodated therein for pressure-indication means 150, forms the integration of Manual negative pressure source 1000, liquid collector 341 and pressure-indication means 150.
In the present embodiment, Manual negative pressure source 1000 produces negative pressure for manual activation, Manual negative pressure source 1000 specifically comprises a syringe-like negative pressure pump 1010, and one to be connected with syringe-like negative pressure pump and resilient mounting 1110 for making syringe-like negative pressure pump carry out an one way actuating.In the present embodiment, the quantity of resilient mounting is one.Concrete structure is shown in Figure 2, does not repeat them here.
Wherein, syringe-like negative pressure pump 1010 specifically comprises syringe 1020, the two-way air-path interface 1050 of syringe 1020 one end, the push rod 1030 be arranged in syringe 1020, the piston 1040 of push rod 1030 one end and the push jack 1060 of push rod 1030 other end.Resilient mounting 1110 comprises a resilience containing pipe 1120, the depression bar 1130 be arranged in resilience containing pipe 1120, depression bar 1130 one end are contained in elastic component 1140 in resilience containing pipe 1120, and the other end of depression bar 1130 is connected with push jack 1060.Elastic component 1140 is preferably spring.
In the present embodiment, breather check valve 120 is connected with two-way air-path interface 1050 gas circuit, for providing suction patient wound the negative pressure of transudate for liquid collector 140; Exhaust check valve 130 is connected with two-way air-path interface 1050 gas circuit, for discharging the air in Manual negative pressure source 1000; Liquid collector 140 is connected with breather check valve 120 gas circuit, and is connected with the dressing gas circuit covered on patient wound by dressing interface 141, and for storing the wound fluid of patient.Preferably, the two-way pipeline 111 in the present embodiment is Y-piece road.
In the present embodiment, before use, due to the effect of elastic component 1140, depression bar 1130 initial position is the state of pull-up, and drive push rod 1030 is the state of pull-up simultaneously.During use, promote push jack 1060, promote push rod 1030.When inwardly promoting push rod 1030, gas is discharged by exhaust check valve 130, and now breather check valve 120 is closed, and air cannot be entered in liquid collector 140 by this breather check valve 120.Meanwhile, press depression bar 1130 elasticity of compression component 1140, make it be compressive state, when after drained air, user unclamps push jack 1060, elastic component 1140 is upspring depression bar 1130, drives push rod 1030 simultaneously, pulls the piston 1040 of push rod 1030 end, form suction force, gas enters syringe 1020 by this breather check valve 120, and now exhaust check valve 130 is closed, and air cannot be entered in syringe 102 by this exhaust check valve 130.Correspondingly, that is, when pulling out push rod 1030, Manual negative pressure source 1000 provides negative pressure for liquid collector 140, is aspirated the transudate of patient wound by dressing interface 141 and the dressing covered on patient wound.
In the present embodiment, syringe-like negative pressure pump 1010 produces negative pressure for manual activation, Manual negative pressure source 1000 is arranged a two-way air-path interface 1050; Breather check valve 120 is connected with two-way air-path interface 1050 gas circuit, for providing suction patient wound the negative pressure of transudate for liquid collector 140; Exhaust check valve 130 is connected with two-way air-path interface 1050 gas circuit, for discharging the air in Manual negative pressure source 1000; Liquid collector 341 is connected with breather check valve 120 gas circuit, and is connected with the dressing gas circuit covered on patient wound by dressing interface 342, and for storing the wound fluid of patient.
In the present embodiment, Manual negative pressure source 1000 is a syringe-like negative pressure pump being fixed on fixed cap 210, and this syringe-like negative pressure pump specifically comprises syringe 1020, push rod 1030, piston 1040 and two-way air-path interface 1050.Wherein this syringe 1010 is formed for common housing 340, and depression is embedded in liquid collector 341.Two-way air-path interface 1050 also holds with in common housing, be connected with one end of a two-way pipeline 111, this two-way pipeline 111 other end is connected 130 with breather check valve 120 and exhaust check valve and connects, and preferably, the two-way pipeline 111 in the present embodiment is Y-piece road.
Wherein, when breather check valve 120 only allows to pull out push rod 1030, gas enters syringe 1020 by this breather check valve 120, and now exhaust check valve 130 is closed, and air cannot be entered in syringe 102 by this exhaust check valve 130.Correspondingly, when inwardly promoting push rod 1030, gas is discharged by exhaust check valve 130, and now breather check valve 120 is closed, and air cannot be entered in liquid collector 341 by this breather check valve 120.That is, when pulling out push rod 1030, Manual negative pressure source 1000 provides negative pressure for liquid collector 341, is aspirated the transudate of patient wound by dressing interface 342 and the dressing covered on patient wound.
The volume of the syringe 1020 of the syringe-like negative pressure pump in the present embodiment is 15-50ml, preferably, is 20ml.
In addition, in the present embodiment, also establish a pressure-indication means 150 be connected with liquid collector 341 gas circuit, be used to indicate the pressure in Manual negative pressure source 1000.Preferably, this pressure-indication means 150 has the corrugated tube that connecting interface and the other end close for one end, and this connecting interface is connected with liquid collector 341 gas circuit.When pulling out push rod 1030, for liquid collector 341 provides negative pressure, now due to pressure-indication means 150, namely corrugated tube is connected with this liquid collector 140, when this corrugated tube is subject to negative pressure, can be compressive state, the negative pressure value in liquid collector 341 can be calculated according to the compressive deformation of corrugated tube and the pressure running parameter of correspondence, shown in Figure 4, the negative pressure value that Manual negative pressure source 1000 provides can be indicated accordingly.In addition, corrugated tube directly can also be connected with two-way air-path interface 1050 or two-way pipeline 111 by another breather check valve.
Implement the embodiment of the present invention, there is following beneficial effect: the Manual negative pressure therapeutic equipment that the embodiment of the present invention provides is easy to operate and uses, and saves muscle power, and negative pressure mouth and air vent can be arranged on the same side, when reducing use, the damaged risk of air vent.Meanwhile, by the compressive deformation of corrugated tube, can also indicate the negative pressure value that Manual negative pressure source provides, more convenient treatment controls.And by common housing, form the integration of Manual negative pressure source, liquid collector and pressure-indication means, easy to carry and transport, and without the need to extra liquid collector, without the need to installing, can directly use.
As shown in Figure 4, Fig. 4 shows the structural representation of a kind of Manual negative pressure therapeutic equipment the 3rd embodiment provided by the invention, concrete, this Manual negative pressure therapeutic equipment 30 comprises: Manual negative pressure source 1000, air valve 420, pressure-indication means 150, common housing 540.This this common housing of common housing 540 defines liquid collector 541, fixing hole 543, pockets 544 and syringe 1020, this pockets 544, by accommodated therein for pressure-indication means 150, forms the integration of Manual negative pressure source 1000, liquid collector 541 and pressure-indication means 150.
In the present embodiment, Manual negative pressure source 1000 produces negative pressure for manual activation, Manual negative pressure source 1000 specifically comprises a syringe-like negative pressure pump 1010, and one to be connected with syringe-like negative pressure pump and resilient mounting 1110 for making syringe-like negative pressure pump carry out an one way actuating.In the present embodiment, the quantity of resilient mounting is one.Concrete structure is shown in Figure 2, does not repeat them here.
Wherein, syringe-like negative pressure pump 1010 specifically comprises syringe 1020, the two-way air-path interface 1050 of syringe 1020 one end, the push rod 1030 be arranged in syringe 1020, the piston 1040 of push rod 1030 one end and the push jack 1060 of push rod 1030 other end.Resilient mounting 1110 comprises a resilience containing pipe 1120, the depression bar 1130 be arranged in resilience containing pipe 1120, depression bar 1130 one end are contained in elastic component 1140 in resilience containing pipe 1120, and the other end of depression bar 1130 is connected with push jack 1060.Elastic component 1140 is preferably spring.
In the present embodiment, breather check valve 120 is connected with two-way air-path interface 1050 gas circuit, for providing suction patient wound the negative pressure of transudate for liquid collector 140; Exhaust check valve 130 is connected with two-way air-path interface 1050 gas circuit, for discharging the air in Manual negative pressure source 1000; Liquid collector 140 is connected with breather check valve 120 gas circuit, and is connected with the dressing gas circuit covered on patient wound by dressing interface 141, and for storing the wound fluid of patient.Preferably, the two-way pipeline 111 in the present embodiment is Y-piece road.
In the present embodiment, before use, due to the effect of elastic component 1140, depression bar 1130 initial position is the state of pull-up, and drive push rod 1030 is the state of pull-up simultaneously.During use, promote push jack 1060, promote push rod 1030.When inwardly promoting push rod 1030, gas is discharged by exhaust check valve 130, and now breather check valve 120 is closed, and air cannot be entered in liquid collector 140 by this breather check valve 120.Meanwhile, press depression bar 1130 elasticity of compression component 1140, make it be compressive state, when after drained air, user unclamps push jack 1060, elastic component 1140 is upspring depression bar 1130, drives push rod 1030 simultaneously, pulls the piston 1040 of push rod 1030 end, form suction force, gas enters syringe 1020 by this breather check valve 120, and now exhaust check valve 130 is closed, and air cannot be entered in syringe 102 by this exhaust check valve 130.Correspondingly, that is, when pulling out push rod 1030, Manual negative pressure source 1000 provides negative pressure for liquid collector 140, is aspirated the transudate of patient wound by dressing interface 141 and the dressing covered on patient wound.
In the present embodiment, syringe-like negative pressure pump 1010 produces negative pressure for manual activation, Manual negative pressure source 1000 is arranged a two-way air-path interface 1050; Air valve 420 comprises a breather check valve 421 and exhaust check valve 422, breather check valve 421 and exhaust check valve 422 are a part for air valve 420, in design, except breather check valve 421 and being made of one of exhaust check valve 422 are designed, can also reset gas circuit, being formed can only unidirectional two gas circuit by gas.
Breather check valve 421 is connected with two-way air-path interface 1050 gas circuit, for providing suction patient wound the negative pressure of transudate for liquid collector 140; Exhaust check valve 422 is connected with two-way air-path interface 1050 gas circuit, for discharging the air in Manual negative pressure source 1000; Liquid collector 541 is connected with breather check valve 421 gas circuit, and is connected with the dressing gas circuit covered on patient wound by dressing interface 342, and for storing the wound fluid of patient.
In the present embodiment, Manual negative pressure source 1000 is a syringe-like negative pressure pump being fixed on fixed cap 210, and this syringe-like negative pressure pump specifically comprises syringe 1020, push rod 1030, piston 1040 and two-way air-path interface 1050.Wherein this syringe 1020 is formed for common housing 340, and depression is embedded in liquid collector 341.Two-way air-path interface 1050 also holds with in common housing, and be connected with one end of a two-way pipeline 112, this two-way pipeline 112 other end is connected with air valve 420.
Wherein, when breather check valve 421 only allows to pull out push rod 1030, gas enters syringe 1020 by this breather check valve 421, and now exhaust check valve 130 is closed, and air cannot be entered in syringe 102 by this exhaust check valve 422.Correspondingly, when inwardly promoting push rod 1030, gas is discharged by exhaust check valve 422, and now breather check valve 421 is closed, and air cannot be entered in liquid collector 541 by this breather check valve 421.That is, when pulling out push rod 1030, Manual negative pressure source 1000 provides negative pressure for liquid collector 541, is aspirated the transudate of patient wound by dressing interface 542 and the dressing covered on patient wound.
The volume of the syringe 1020 of the syringe-like negative pressure pump in the present embodiment is 15-50ml, preferably, is 20ml.
In addition, in the present embodiment, also establish a pressure-indication means 150 be connected with liquid collector 541 gas circuit, be used to indicate the pressure in Manual negative pressure source 1000.Preferably, this pressure-indication means 150 has the corrugated tube that connecting interface and the other end close for one end, and this connecting interface is connected with liquid collector 541 gas circuit.When pulling out push rod 1030, for liquid collector 541 provides negative pressure, now due to pressure-indication means 150, namely corrugated tube is connected with this liquid collector 140, when this corrugated tube is subject to negative pressure, can be compressive state, the negative pressure value in liquid collector 541 can be calculated according to the compressive deformation of corrugated tube and the pressure running parameter of correspondence, shown in Figure 5, the negative pressure value that Manual negative pressure source 1000 provides can be indicated accordingly.In addition, corrugated tube directly can also be connected with two-way air-path interface 1050 or two-way pipeline 112 by another breather check valve.
In the present embodiment, in fixing hole 543, belt or Portable belt etc. can be penetrated, fixed manual negative pressure equipment 30.
Fig. 5 is the structural representation of the present invention's a kind of Manual negative pressure therapeutic equipment the 4th embodiment provided by the invention, Manual negative pressure therapeutic equipment 40 shown in Fig. 5 decreases fixed cap 210 on basis embodiment illustrated in fig. 3, but be the increase in graduated tile 545, concrete effect describes in the above-described embodiments all, does not repeat them here.
Implement the embodiment of the present invention, there is following beneficial effect: implement the embodiment of the present invention, there is following beneficial effect: the Manual negative pressure therapeutic equipment that the embodiment of the present invention provides is provided with resilient mounting, as long as user needs the push rod discharge air wherein of manual compression syringe-like negative pressure pump, push rod can be upspring by elastic device automatically, form suction force, and do not need user manually to pull push rod, avoid in the process pulling push rod, Manual negative pressure therapeutic equipment is shaken, or need to use other external force to fix in advance and stop dynamic negative pressure treatment equipment, be easy to operation use, save muscle power, and increase Manual negative pressure therapeutic equipment stability over the course for the treatment of.Meanwhile, by the compressive deformation of corrugated tube, can also indicate the negative pressure value that Manual negative pressure source provides, more convenient treatment controls.And by common housing, form the integration of Manual negative pressure source, liquid collector and pressure-indication means, easy to carry and transport, and without the need to extra liquid collector, without the need to installing, can directly use.
Above disclosedly be only a kind of preferred embodiment of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.
Claims (10)
1. a Manual negative pressure therapeutic equipment, is characterized in that, comprising:
Manual negative pressure source, produces negative pressure for manual activation, and there is a two-way air-path interface in described Manual negative pressure source;
Breather check valve, is connected with described two-way air-path interface gas circuit, for providing suction patient wound the negative pressure of transudate for liquid collector;
Exhaust check valve, is connected with described two-way air-path interface gas circuit, for discharging the air in described Manual negative pressure source;
Liquid collector, is connected, for storing the wound fluid of patient with described breather check valve and dressing difference gas circuit;
Wherein, described Manual negative pressure source is for comprising a syringe-like negative pressure pump, and at least one and described syringe-like negative pressure pump is connected and resilient mounting for making described syringe-like negative pressure pump carry out an one way actuating.
2. Manual negative pressure therapeutic equipment as claimed in claim 1, it is characterized in that, described syringe-like negative pressure pump specifically comprises syringe, the two-way air-path interface of syringe one end, the push rod be arranged in described syringe, the piston of described push rod one end and the push jack of the described push rod other end, the described two-way gas circuit mouth of pipe is connected with one end of a two-way pipeline, and the other end of described two-way pipeline is connected with breather check valve and exhaust check valve.
3. Manual negative pressure therapeutic equipment as claimed in claim 2, it is characterized in that, described resilient mounting comprises a resilience containing pipe, the depression bar be arranged in described resilience containing pipe, described depression bar one end are contained in elastic component in described resilience containing pipe, and the other end of described depression bar is connected with described push jack.
4. Manual negative pressure therapeutic equipment as claimed in claim 3, it is characterized in that, described elastic component is spring.
5. the Manual negative pressure therapeutic equipment as described in any one of claim 1-4, is characterized in that, the quantity of described resilient mounting is two, is separately positioned on the both sides of described syringe-like negative pressure pump.
6. Manual negative pressure therapeutic equipment as claimed in claim 1, is characterized in that, also comprise:
One pressure-indication means, is connected with described liquid collector gas circuit, is used to indicate the pressure in described Manual negative pressure source.
7. Manual negative pressure therapeutic equipment as claimed in claim 2, is characterized in that, described pressure-indication means is that one end has connecting interface and corrugated tube that the other end is closed, and described connecting interface is connected with described liquid collector gas circuit.
8. Manual negative pressure therapeutic equipment as claimed in claim 2, is characterized in that, also comprise:
One common housing, this common housing defines described liquid collector and described syringe.
9. Manual negative pressure therapeutic equipment as claimed in claim 7, it is characterized in that, described common housing is provided with a pockets, for placing described corrugated tube.
10. Manual negative pressure therapeutic equipment as claimed in claim 1, is characterized in that, described breather check valve and the integrated air valve of described outgassing nonreturn valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610008555.XA CN105457110A (en) | 2016-01-08 | 2016-01-08 | Manual negative pressure treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610008555.XA CN105457110A (en) | 2016-01-08 | 2016-01-08 | Manual negative pressure treatment device |
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| Publication Number | Publication Date |
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| CN105457110A true CN105457110A (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610008555.XA Pending CN105457110A (en) | 2016-01-08 | 2016-01-08 | Manual negative pressure treatment device |
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| CN109513056A (en) * | 2017-09-19 | 2019-03-26 | 北京中科盛康科技有限公司 | A kind of autogenous vein device that negative pressure suction device can be recycled |
| JP2020508161A (en) * | 2017-02-22 | 2020-03-19 | コーネル ユニヴァーシティー | Mechanical vacuum dressing to mechanically manage, protect and aspirate small incisions |
| CN112674941A (en) * | 2020-12-25 | 2021-04-20 | 中国人民解放军总医院 | Emergency treatment device for war wound abdominal wall defect |
| US11839527B2 (en) | 2017-12-06 | 2023-12-12 | Cornell University | Manually-operated negative pressure wound therapy (NPWT) bandage with improved pump efficiency, automatic pressure indicator and automatic pressure limiter |
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| CN112674941A (en) * | 2020-12-25 | 2021-04-20 | 中国人民解放军总医院 | Emergency treatment device for war wound abdominal wall defect |
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