CN110721350A - Negative pressure drainage flushing system capable of preventing tissue extrusion - Google Patents
Negative pressure drainage flushing system capable of preventing tissue extrusion Download PDFInfo
- Publication number
- CN110721350A CN110721350A CN201910910786.3A CN201910910786A CN110721350A CN 110721350 A CN110721350 A CN 110721350A CN 201910910786 A CN201910910786 A CN 201910910786A CN 110721350 A CN110721350 A CN 110721350A
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- cavity
- enclosing plate
- negative pressure
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- sealing
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- 238000011010 flushing procedure Methods 0.000 title claims abstract description 26
- 238000001125 extrusion Methods 0.000 title claims abstract description 24
- 238000005192 partition Methods 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims description 39
- 210000001519 tissue Anatomy 0.000 claims description 23
- 230000002262 irrigation Effects 0.000 claims description 18
- 238000003973 irrigation Methods 0.000 claims description 18
- 238000004891 communication Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- 210000002615 epidermis Anatomy 0.000 claims description 6
- 210000003491 skin Anatomy 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 11
- 230000017531 blood circulation Effects 0.000 abstract description 5
- 230000003902 lesion Effects 0.000 abstract description 4
- 206010052428 Wound Diseases 0.000 description 15
- 208000027418 Wounds and injury Diseases 0.000 description 14
- 239000004372 Polyvinyl alcohol Substances 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 239000004814 polyurethane Substances 0.000 description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 229920005830 Polyurethane Foam Polymers 0.000 description 2
- 206010040007 Sense of oppression Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000011496 polyurethane foam Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001804 debridement Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Classifications
-
- 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
- A61F13/05—Bandages or dressings; Absorbent pads specially adapted for use with sub-pressure or over-pressure therapy, wound drainage or wound irrigation, e.g. for use with negative-pressure wound therapy [NPWT]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/90—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M27/00—Drainage appliance for wounds or the like, i.e. wound drains, implanted drains
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Public Health (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Vascular Medicine (AREA)
- Otolaryngology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- External Artificial Organs (AREA)
Abstract
The invention discloses a negative pressure drainage flushing system for preventing tissue extrusion, which comprises a drainage tube, a partition plate, a flushing tube and a rigid outer cover, wherein the drainage tube is arranged in the drainage tube; the outer cover is provided with a working cavity; the partition plate is arranged in the working cavity and divides the working cavity into a first cavity and a second cavity; the partition plate is provided with a first through hole for communicating the first cavity and the second cavity; the first cavity forms a covering opening which is used for covering the wound; a first sponge body is arranged in the first cavity and is used for covering the wound surface; a second cavernous body is arranged in the second cavity; the drainage tube comprises a first section, a second section and a third section which are connected in sequence and communicated with each other; the first section extends into the first cavernous body, and the second section extends into the second cavernous body; the first section and the second section are both provided with a plurality of second through holes; the third section extends out of the outer cover and is used for being communicated with an external negative pressure machine; the flushing pipe is arranged on the outer cover. The invention can prevent the lesion part from being extruded, thereby ensuring the drainage effect and the blood circulation.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a negative pressure drainage flushing system for preventing tissue extrusion.
Background
The negative pressure suction wound surface treatment technology is a new technology for treating wound surfaces developed in recent years, and is characterized in that a biological semipermeable membrane is utilized to seal open wound surfaces, a special negative pressure machine is used to generate certain negative pressure, and the negative pressure is acted on the wound surfaces after debridement through a drainage tube and a sponge dressing; but during current operation, establish the dressing cover outside the surface of a wound, the bio-semipermeable membrane cover is established outside the dressing, so, passes through the drainage tube suction in-process at negative pressure machine, and bio-semipermeable membrane and sponge dressing warp and are close to the surface of a wound direction, and at this moment, the drainage space that the bio-semipermeable membrane enclosed and closes formation diminishes gradually to make the dressing cause too big oppression to the surface of a wound, influence drainage effect and blood circulation.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a negative pressure drainage flushing system for preventing tissue extrusion, which prevents a lesion part from being extruded, thereby ensuring the drainage effect and blood circulation.
The purpose of the invention is realized by adopting the following technical scheme:
a negative pressure drainage flushing system for preventing tissue extrusion comprises a drainage tube, a partition plate and a rigid outer cover; the housing has a working chamber; the partition plate is arranged in the working cavity and divides the working cavity into a first cavity and a second cavity; the partition plate is provided with a first through hole for communicating the first cavity and the second cavity; the first cavity forms a covering opening which is used for covering the wound; a first cavernous body is arranged in the first cavity and is used for covering the wound surface; a second cavernous body is arranged in the second cavity; the drainage tube comprises a first section, a second section and a third section which are connected in sequence and communicated with each other; the first section extends into the first cavernous body, and the second section extends into the second cavernous body; the first section and the second section are both provided with a plurality of second through holes; the third section extends out of the outer cover and is used for being communicated with an external negative pressure machine; the negative pressure drainage flushing system for preventing tissue extrusion further comprises a flushing pipe; one side of the flushing pipe penetrates through the first cavity and extends out of the cover opening, and an outlet is formed; the other side of the flushing pipe penetrates through the second cavity and extends out of the outer cover; the part of the flushing pipe outside the outer cover is provided with an inlet for inputting external flushing liquid.
Further, the second cavity is located on one side of the first cavity, which is far away from the covering opening.
Further, the negative pressure drainage irrigation system for preventing tissue extrusion further comprises a sealing film; the sealing film is used for sealing the outer cover and the periphery of the wound surface so as to enable the working cavity to form a closed state.
Further, the negative pressure drainage irrigation system for preventing tissue extrusion further comprises an auxiliary fixing assembly; the auxiliary fixing assembly comprises a first enclosing plate, a second enclosing plate, a locking component and a sealing component; one sides of the first enclosing plate and the second enclosing plate are connected with each other and can be closed or opened; when the first enclosing plate and the second enclosing plate are closed, the first enclosing plate and the second enclosing plate jointly enclose to form an accommodating cavity with two through ends, and the accommodating cavity can be used for limbs or trunks to penetrate in a matching mode; the locking member is used for fixing the first enclosing plate and the second enclosing plate when the first enclosing plate and the second enclosing plate are closed; the sealing component is used for sealing a gap between the epidermis of the limbs or the trunk and the cavity wall of the accommodating cavity when the limbs or the trunk are arranged in the accommodating cavity in a matching and penetrating mode so as to enable the accommodating cavity to form a closed state; the first enclosing plate is provided with a communication port; the outer cover can be fixed on the first enclosing plate; the cover is provided with an opening which can be covered outside the communicating opening in a sealing way and is communicated with the accommodating cavity through the communicating opening.
Further, the sealing member includes two first gaskets and two second gaskets; the two first sealing gaskets are respectively arranged at two opposite ends of the first enclosing plate and are respectively used for being hermetically attached to the skin of limbs or the trunk; the two second sealing gaskets are respectively arranged at two opposite ends of the second enclosing plate and are respectively used for being hermetically attached to the epidermis of four limbs or the trunk.
Further, the first enclosing plate and the second enclosing plate are rotatably connected through a rotating shaft.
Further, the longitudinal section of the first enclosing plate is arc-shaped; the longitudinal section of the second enclosing plate is arc-shaped.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the rigid outer cover is arranged, and the first sponge body and the second sponge body are arranged in the mounting cavity of the outer cover, so that a fixed drainage space is formed due to the supporting effect of the outer cover, and the wound surface is prevented from being greatly pressed, thereby ensuring the drainage effect and blood circulation; moreover, divide into first cavity and second cavity with the working chamber through the baffle, first cavity and second cavity are arranged in to first cavernosum and second cavernosum branch, and the second through-hole has all been seted up to first section and the second section that the drainage tube branch was arranged in first cavity and second cavity, so, the baffle can avoid human fat to cause the oppression to the second cavernosum and plug up the possibility of the second through-hole on the second section, further ensures the drainage effect.
Drawings
FIG. 1 is a schematic view of the negative pressure drainage irrigation system for preventing tissue extrusion (with the auxiliary fixing component removed) according to the present invention;
FIG. 2 is a schematic view of an auxiliary fixing assembly according to the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;
fig. 4 is a schematic structural diagram of the negative pressure drainage irrigation system for preventing tissue extrusion.
In the figure: 10. a drainage tube; 11. a first stage; 12. a second stage; 13. a third stage; 20. a partition plate; 30. a housing; 31. covering an opening; 40. a first sponge body; 50. a second sponge body; 60. a second through hole; 70. a flush tube; 80. an auxiliary fixing component; 81. a first enclosing plate; 811. a communication port; 82. a second enclosing plate; 83. a sealing member; 831. a first gasket; 832. a second gasket; 84. an accommodating chamber; 90. and rotating the shaft.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
The negative pressure drainage irrigation system for preventing tissue extrusion as shown in fig. 1 comprises a partition plate 20, a drainage tube 10 and a rigid outer cover 30; it is understood that the rigid outer cover 30 means that the outer cover 30 is not elastically deformable, wherein the outer cover 30 can be made of plastic, steel, etc.; the housing 30 has a working chamber; the partition plate 20 is arranged in the working cavity and divides the working cavity into a first cavity and a second cavity; the partition plate 20 is provided with a plurality of first through holes communicating the first cavity with the second cavity, and in practical application, the number of the first through holes may be set to be a plurality, and the plurality of first through holes are distributed at intervals, specifically, the partition plate 20 may be an existing grid plate; the first cavity is formed with a cover opening 31, it can be understood that the cover opening 31 is opened on the outer cover 30, and the cover opening 31 communicates the first cavity and the outside; the covering opening 31 is used for covering the wound; a first sponge body 40 is arranged in the first cavity, and at the moment, the first sponge body 40 can be fixed on the cavity wall of the first cavity; a second sponge body 50 is arranged in the second cavity, and at the moment, the second sponge body 50 can be fixed on the cavity wall of the second cavity; the drainage tube 10 comprises a first section 11, a second section 12 and a third section 13 which are connected in sequence and communicated with each other; the first section 11 extends into the first sponge 40, and the second section 12 extends into the second sponge 50; the first section 11 and the second section 12 are both provided with a plurality of second through holes 60; the third section 13 extends outside the housing 30 and is adapted to communicate with an external negative pressure machine.
Therefore, on the basis of the structure, when the external negative pressure machine starts to work, the negative pressure machine extracts gas in the working cavity through the second through hole 60 of the drainage tube 10, and at the moment, due to the support of the outer cover 30, the whole drainage device has a fixed drainage space, so that too much compression on a wound surface can be avoided, and the drainage effect and blood circulation are ensured; meanwhile, on the basis of forming a fixed drainage space, the first cavity and the second cavity are separated by the partition plate 20, so that the second sponge 50 can be prevented from being pressed by the human fat; thus, even when the first cavernous body 40 is squeezed by the fat of the human body and the second through hole 60 in the first cavernous body 40 is blocked, the second through hole 60 in the second cavernous body 50 still keeps unobstructed, and the drainage effect can be further ensured.
Furthermore, through the cooperation that sets up first cavernosum 40 and the second section 12 of seting up a plurality of second through-holes 60, the porous structure on the first cavernosum 40 realizes can aim at the position that many places of the surface of a wound need the drainage simultaneously (here "the position that needs the drainage" indicates the position that has the liquid that needs the drainage, like the position of running out pus), afterwards, many places liquid gets into first cavernosum 40 simultaneously, and can get into drainage tube 10 simultaneously through a plurality of second through-holes 60 in, so, can realize the drainage effect to the while of a plurality of parts, the efficiency is improved, and need not to set up a plurality of drainage tubes 10, the simplified structure.
The second through holes 60 in the first section 11 may be arranged to be circumferentially distributed around the first section 11, so as to receive the liquid introduced from the periphery of the first sponge 40 in time; similarly, the plurality of second through holes 60 located in the second section 12 may be arranged to be circumferentially distributed around the second section 12, so as to receive the liquid introduced from the periphery of the second sponge 50 in time.
It should be noted that the first sponge 40 may be replaced by polyurethane foam, PVA polyvinyl alcohol, PU polyurethane, etc., as long as it is a flexible material with a porous structure; the second sponge 50 may be replaced by polyurethane foam, PVA polyvinyl alcohol, PU polyurethane, etc., as long as it is a flexible material having a porous structure.
Moreover, the negative pressure drainage irrigation system for preventing tissue extrusion further comprises an irrigation pipe 70; one side of the flushing pipe 70 passes through the first cavity and extends out of the cover opening 31, and an outlet is formed; the other side of the flush tube 70 passes through the second chamber and extends out of the housing 30; the portion of the flushing pipe 70 located outside the housing 30 is formed with an inlet for inputting an external flushing liquid; thus, the operations of drainage and irrigation can be simultaneously realized.
The above-mentioned flushing pipe 70 may be a flexible pipe, so that when the flushing pipe 70 is inserted into the interior of the lesion and is flushed, the shape of the flushing pipe 70 may be changed along with the change of the interior shape of the lesion, and the adaptability is stronger.
Specifically, the second cavity is located on a side of the first cavity away from the covering opening 31.
Specifically, the above-mentioned drainage tube 10 can be a hose to provide a space for deformation so as to facilitate the user to move and turn over.
Further, the negative pressure drainage irrigation system for preventing tissue extrusion further comprises a sealing film; the sealing film is used for sealing the outer cover 30 and the periphery of the wound surface so as to enable the working cavity to form a sealed state; it can be understood that when the working cavity is in a closed state, the first cavity and the second cavity are also in a closed device, so that when the external negative pressure machine works, the working cavity can be in a stable negative pressure state, and the drainage effect is ensured.
In the process of draining for a long time due to severe trauma, the manual holding of the outer cover 30 is prone to operation fatigue, and preferably, as shown in fig. 2 to 4, the negative pressure drainage irrigation system for preventing tissue extrusion further comprises an auxiliary fixing component 80; the auxiliary fixing assembly 80 includes a first enclosing plate 81, a second enclosing plate 82, a locking member and a sealing member 83; one sides of the first enclosing plate 81 and the second enclosing plate 82 are connected to each other and can be opened or closed with each other; when the first enclosing plate 81 and the second enclosing plate 82 are closed, the first enclosing plate and the second enclosing plate jointly enclose a containing cavity 84 with two through ends, and the containing cavity 84 can be used for limbs or trunks to penetrate in a matching mode; it is understood that, during the use, the limbs or the trunk can extend out of the accommodating cavity 84 through the two ends of the accommodating cavity 84, and the limbs include hands, arms, feet, legs, etc.; the trunk may be a waist portion of a human body, and accordingly, the shape of the accommodating cavity 84 defined by the first enclosing plate 81 and the second enclosing plate 82 may be the same as the shape of each portion, that is, the extending locus of the first enclosing plate 81 and the second enclosing plate 82 may be the same as the shape of each portion; the locking member is used for fixing the first enclosing plate 81 and the second enclosing plate 82 when the first enclosing plate 81 and the second enclosing plate 82 are closed; the sealing component 83 is used for sealing the gap between the epidermis of the limbs or the trunk and the cavity wall of the accommodating cavity 84 when the limbs or the trunk are arranged in the accommodating cavity 84 in a matching way, so that a closed state is formed in the accommodating cavity 84; the first enclosing plate 81 is provided with a communication port 811; the cover 30 can be fixed to the first enclosing plate 81; the covering opening 31 can be covered outside the communication opening 811 in a sealing manner, and it can be understood that the working chamber is in sealing communication with the accommodating chamber 84 to ensure the drainage effect, and here, the sealing connection can be realized by arranging a sealing ring between the outer cover 30 and the first enclosing plate 81; the cover opening 31 also communicates with the housing chamber 84 through a communication opening 811.
On the basis of the structure, when the fixing device is used, the first enclosing plate 81 and the second enclosing plate 82 are opened, limbs or a trunk are placed between the first enclosing plate 81 and the second enclosing plate 82, the first enclosing plate 81 and the second enclosing plate 82 are closed, at the moment, the auxiliary fixing assembly 80 is fixed relative to the limbs or the trunk, the first enclosing plate 81 and the second enclosing plate 82 are fixed through the locking component, and the first enclosing plate 81 and the second enclosing plate 82 cannot be opened; the cover 30 is secured to the first shroud 81 so that manual securing of the cover 30 is not required.
The first enclosing plate 81 and the second enclosing plate 82 can be connected in a rotating manner by means of a rotating shaft 90.
The locking member may be a catch provided on the first enclosing plate 81 and a catch provided on the second enclosing plate 82; the lock catch can be an existing lock catch or two magnets which are magnetically attracted with each other.
Further, the sealing member 83 includes two first gaskets 831 and two second gaskets 832; the two first sealing gaskets 831 are respectively arranged at two opposite ends of the first enclosing plate 81 and are respectively used for being hermetically attached to the skin of limbs or the trunk; the two second sealing gaskets 832 are respectively arranged at two opposite ends of the second enclosing plate 82 and are respectively used for being hermetically attached to the epidermis of four limbs or the trunk, so that the sealing effect can be realized; further, the first sealing pad 831 can completely cover the inner wall of the first enclosing plate 81 to buffer the compression of the limbs or trunk caused by the first enclosing plate 81 and the second enclosing plate 82, and it can be understood that the first sealing pad 831 is also provided with an avoiding opening at the position corresponding to the communication opening 811; accordingly, the second gasket 832 may also completely fill the interior wall of the second shroud 82 to further cushion compression.
Specifically, the longitudinal section of the first enclosing plate 81 is circular arc; the second shroud 82 has a circular arc-shaped longitudinal section to be more adapted to the shape of the limbs or trunk.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (7)
1. The utility model provides a prevent crowded negative pressure drainage rinse-system of tissue which characterized in that: comprises a drainage tube, a partition plate and a rigid outer cover; the housing has a working chamber; the partition plate is arranged in the working cavity and divides the working cavity into a first cavity and a second cavity; the partition plate is provided with a first through hole for communicating the first cavity and the second cavity; the first cavity forms a covering opening which is used for covering the wound; a first cavernous body is arranged in the first cavity and is used for covering the wound surface; a second cavernous body is arranged in the second cavity; the drainage tube comprises a first section, a second section and a third section which are connected in sequence and communicated with each other; the first section extends into the first cavernous body, and the second section extends into the second cavernous body; the first section and the second section are both provided with a plurality of second through holes; the third section extends out of the outer cover and is used for being communicated with an external negative pressure machine; the negative pressure drainage flushing system for preventing tissue extrusion further comprises a flushing pipe; one side of the flushing pipe penetrates through the first cavity and extends out of the cover opening, and an outlet is formed; the other side of the flushing pipe penetrates through the second cavity and extends out of the outer cover; the part of the flushing pipe outside the outer cover is provided with an inlet for inputting external flushing liquid.
2. The negative pressure drainage irrigation system that prevents tissue extrusion of claim 1, wherein: the second cavity is positioned on one side of the first cavity, which is far away from the cover opening.
3. The negative pressure drainage irrigation system that prevents tissue extrusion of claim 1, wherein: the negative pressure drainage irrigation system for preventing tissue extrusion further comprises a sealing film; the sealing film is used for sealing the outer cover and the periphery of the wound surface so as to enable the working cavity to form a closed state.
4. The negative pressure drainage irrigation system that prevents tissue extrusion of claim 1, wherein: the negative pressure drainage irrigation system for preventing tissue extrusion further comprises an auxiliary fixing assembly; the auxiliary fixing assembly comprises a first enclosing plate, a second enclosing plate, a locking component and a sealing component; one sides of the first enclosing plate and the second enclosing plate are connected with each other and can be closed or opened; when the first enclosing plate and the second enclosing plate are closed, the first enclosing plate and the second enclosing plate jointly enclose to form an accommodating cavity with two through ends, and the accommodating cavity can be used for limbs or trunks to penetrate in a matching mode; the locking member is used for fixing the first enclosing plate and the second enclosing plate when the first enclosing plate and the second enclosing plate are closed; the sealing component is used for sealing a gap between the epidermis of the limbs or the trunk and the cavity wall of the accommodating cavity when the limbs or the trunk are arranged in the accommodating cavity in a matching and penetrating mode so as to enable the accommodating cavity to form a closed state; the first enclosing plate is provided with a communication port; the outer cover can be fixed on the first enclosing plate; the cover is provided with an opening which can be covered outside the communicating opening in a sealing way and is communicated with the accommodating cavity through the communicating opening.
5. The negative pressure drainage irrigation system that prevents tissue extrusion of claim 4, wherein: the sealing component comprises two first sealing gaskets and two second sealing gaskets; the two first sealing gaskets are respectively arranged at two opposite ends of the first enclosing plate and are respectively used for being hermetically attached to the skin of limbs or the trunk; the two second sealing gaskets are respectively arranged at two opposite ends of the second enclosing plate and are respectively used for being hermetically attached to the epidermis of four limbs or the trunk.
6. The negative pressure drainage irrigation system that prevents tissue extrusion of claim 4, wherein: the first enclosing plate and the second enclosing plate are rotatably connected through a rotating shaft.
7. The negative pressure drainage irrigation system that prevents tissue extrusion of claim 4, wherein: the longitudinal section of the first enclosing plate is arc-shaped; the longitudinal section of the second enclosing plate is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910910786.3A CN110721350A (en) | 2019-09-25 | 2019-09-25 | Negative pressure drainage flushing system capable of preventing tissue extrusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910910786.3A CN110721350A (en) | 2019-09-25 | 2019-09-25 | Negative pressure drainage flushing system capable of preventing tissue extrusion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110721350A true CN110721350A (en) | 2020-01-24 |
Family
ID=69219328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910910786.3A Pending CN110721350A (en) | 2019-09-25 | 2019-09-25 | Negative pressure drainage flushing system capable of preventing tissue extrusion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110721350A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202113227U (en) * | 2011-05-11 | 2012-01-18 | 辽阳鼎泰升医疗设备有限公司 | Independent flushing-type wound protection device for negative-pressure drainage wound surface repair system |
| WO2015101157A1 (en) * | 2014-01-06 | 2015-07-09 | 朱新生 | Suction-cup type negative pressure drainage apparatus |
| CN105944220A (en) * | 2016-05-18 | 2016-09-21 | 浙江保尔曼生物科技有限公司 | Negative-pressure drainage device capable of flushing |
| CN108525029A (en) * | 2018-04-27 | 2018-09-14 | 翟延荣 | A kind of anti-blocking negative-pressure irrigation drainage device |
| CN208838689U (en) * | 2018-04-27 | 2019-05-10 | 翟延荣 | A kind of anti-overflow liquid storing bag of negative pressure drainage flushing |
| WO2019134169A1 (en) * | 2018-01-08 | 2019-07-11 | 万绵水 | Connecting device for wound protection dressing, and wound protection dressing |
| CN211561250U (en) * | 2019-09-25 | 2020-09-25 | 广州雪利昂生物科技有限公司 | Negative pressure drainage flushing system capable of preventing tissue extrusion |
-
2019
- 2019-09-25 CN CN201910910786.3A patent/CN110721350A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202113227U (en) * | 2011-05-11 | 2012-01-18 | 辽阳鼎泰升医疗设备有限公司 | Independent flushing-type wound protection device for negative-pressure drainage wound surface repair system |
| WO2015101157A1 (en) * | 2014-01-06 | 2015-07-09 | 朱新生 | Suction-cup type negative pressure drainage apparatus |
| CN105944220A (en) * | 2016-05-18 | 2016-09-21 | 浙江保尔曼生物科技有限公司 | Negative-pressure drainage device capable of flushing |
| WO2019134169A1 (en) * | 2018-01-08 | 2019-07-11 | 万绵水 | Connecting device for wound protection dressing, and wound protection dressing |
| CN108525029A (en) * | 2018-04-27 | 2018-09-14 | 翟延荣 | A kind of anti-blocking negative-pressure irrigation drainage device |
| CN208838689U (en) * | 2018-04-27 | 2019-05-10 | 翟延荣 | A kind of anti-overflow liquid storing bag of negative pressure drainage flushing |
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| Title |
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| 申全财;: "自制负压封闭引流装置治疗骨科术后伤口感染不愈合", 长治医学院学报, no. 06, 15 December 2013 (2013-12-15) * |
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