CN111569170A - Closed drainage device - Google Patents
Closed drainage device Download PDFInfo
- Publication number
- CN111569170A CN111569170A CN202010518501.4A CN202010518501A CN111569170A CN 111569170 A CN111569170 A CN 111569170A CN 202010518501 A CN202010518501 A CN 202010518501A CN 111569170 A CN111569170 A CN 111569170A
- Authority
- CN
- China
- Prior art keywords
- gland
- plug
- cushion layer
- drainage device
- cushion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 60
- 210000004907 gland Anatomy 0.000 claims abstract description 49
- 238000011010 flushing procedure Methods 0.000 claims abstract description 28
- 238000007373 indentation Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims 2
- 239000012530 fluid Substances 0.000 abstract description 8
- 239000000499 gel Substances 0.000 description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- 239000000741 silica gel Substances 0.000 description 10
- 229910002027 silica gel Inorganic materials 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 239000012528 membrane Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000001361 achilles tendon Anatomy 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000000416 exudates and transudate Anatomy 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001338 necrotic effect Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/90—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/84—Drainage tubes; Aspiration tips
- A61M1/85—Drainage tubes; Aspiration tips with gas or fluid supply means, e.g. for supplying rinsing fluids or anticoagulants
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Pulmonology (AREA)
- External Artificial Organs (AREA)
Abstract
The invention relates to a closed drainage device, which comprises a gland, a plug, a cushion and an elastic sealing cushion layer, wherein the gland is provided with a sealing ring; the top of the gland is provided with a through hole, and the plug is detachably arranged on the through hole; the elastic sealing cushion layer is arranged at the bottom of the gland, a sealing cavity for positioning the position of a wound is formed in the middle of the elastic sealing cushion layer, and the soft cushion is used for adsorbing dirt of the wound surface and is arranged in the sealing cavity; the drain pipe and the flushing pipe penetrate through the plug along the length direction, one end of the drain pipe is communicated with the negative pressure source, the other end of the drain pipe is arranged below the gland, one end of the flushing pipe is communicated with the flushing fluid input source, and the other end of the flushing pipe is arranged below the gland.
Description
Technical Field
The invention relates to a closed drainage device, and belongs to the technical field of medical equipment.
Background
The negative pressure sealing drainage technology (VSD) is a brand new treatment method that a medical sponge dressing with a drainage tube is used for covering or filling the wound surface with skin and soft tissue defects, the wound surface is sealed by a semipermeable bio-membrane to form a sealed space, and finally the drainage tube is connected with a negative pressure source to promote the wound surface to heal through controllable negative pressure.
The method is characterized in that: the controllable negative pressure promotes the increase of blood flow and the synthesis of protein, promotes the growth of granulation and accelerates the healing of wound surfaces; meanwhile, power is provided for omnibearing active drainage. The sealing of the biological semipermeable membrane isolates the infection chance of the wound surface contacting with the external environment. The omnibearing drainage changes the traditional point or local drainage into the surface drainage, and ensures that necrotic tissues and exudates at each position of the wound surface can be sucked out at any time.
Each part of the existing negative pressure closed drainage technology is a discrete part, the operation of one-time closed drainage is very complicated, a drainage tube and a flushing tube need to be inserted into a semipermeable membrane for sealing, the operation is difficult, the sealing effect is not good frequently, and the drainage effect is not good; and it is troublesome to reassemble all the components once again to replace the components.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a closed drainage device which adopts an integrated structure and solves the problem of difficult installation.
The technical scheme of the invention is as follows:
a closed drainage device comprises a gland, a plug, a cushion and an elastic sealing cushion layer; the top of the gland is provided with a through hole, and the plug is detachably arranged on the through hole; the elastic sealing cushion layer is arranged at the bottom of the gland, a sealing cavity for positioning the position of a wound is formed in the middle of the elastic sealing cushion layer, and the soft cushion is used for adsorbing dirt of the wound surface and is arranged in the sealing cavity; the drain pipe and the flushing pipe penetrate through the plug along the length direction, one end of the drain pipe is communicated with the negative pressure source, the other end of the drain pipe is arranged below the gland, one end of the flushing pipe is communicated with the flushing fluid input source, and the other end of the flushing pipe is arranged below the gland.
Furthermore, a sealing ring is arranged on the outer side wall of the plug.
Furthermore, the device also comprises a connecting lock piece; the sealing ring is arranged on the outer side wall of the lower end of the plug, an external thread is arranged on the outer side wall of the upper end part of the plug, a through hole with an internal thread is formed in the middle of the connecting locking piece, and the connecting locking piece is in threaded connection with the plug; the outer edge of the bottom of the connecting fastener is fixedly provided with a baffle.
Furthermore, the flushing device also comprises a U-shaped connecting conduit, one end of the U-shaped connecting conduit is communicated with one end of the flushing conduit below the gland, and the other end of the U-shaped connecting conduit is arranged below the cushion.
Furthermore, the outer edge of the bottom of the gland is circular, the elastic sealing cushion layer is circular, and the outer diameter of the elastic sealing cushion layer is not smaller than the diameter of the outer edge of the bottom of the gland.
Furthermore, a first retraction structure is arranged on the outer edge of the bottom of the gland and is used for retracting the diameter of the outer edge of the bottom of the gland; the outer edge of elasticity seal bed course is provided with second indentation structure for the indentation the external diameter of elasticity seal bed course, the interior edge of elasticity seal bed course is provided with third indentation structure for enlarge the internal diameter of elasticity seal bed course.
Further, the soft cushion is a spongy cushion.
The invention has the following beneficial effects:
1. according to the closed drainage device, the plug is arranged on the gland, and is integrated with the drainage catheter and the flushing catheter, so that the steps of inserting the drainage tube, inserting the flushing tube, sealing the joint of the drainage tube and the flushing tube and the like are omitted during negative pressure closed drainage operation, the operation is simple, and the working difficulty of medical workers is reduced.
2. The closed drainage device is provided with the elastic sealing cushion layer, can be effectively attached to the skin of a human body, is excellent in sealing performance, and prevents the phenomenon of air leakage.
3. According to the closed drainage device, the sealing cavity is arranged in the middle of the elastic sealing cushion layer, so that flushing fluid cannot flow out of the range of a wound under the enclosure of the sealing cavity, and the wound can be effectively cleaned.
4. According to the closed drainage device, the parts such as the plug and the cushion can be replaced, the whole body can be reused, the assembly is easy, and the working difficulty of medical staff is greatly reduced.
Drawings
FIG. 1 is a schematic external structural diagram according to a first embodiment of the present invention;
FIG. 2 is a schematic diagram of an exploded structure according to a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of a plug according to an embodiment of the present invention;
FIG. 4 is a top view of a first embodiment of the present invention;
FIG. 5 is a cross-sectional view at AA in FIG. 4;
FIG. 6 is a top view of a second embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a second embodiment of the elastic sealing gasket layer of the present invention;
fig. 8 is an external structural diagram of a third embodiment of the present invention.
The reference numbers in the figures are:
1. a gland; 11. a first retracting structure; 2. a plug; 21. a drainage catheter; 22. flushing the catheter; 23. a seal ring; 24. a U-shaped connecting conduit; 3. a soft cushion; 4. an elastic sealing cushion layer; 41. sealing the cavity; 42. a second retraction structure; 43. a third retraction structure; 5. connecting a locking piece; 51. and a baffle plate.
Detailed Description
The invention is described in detail below with reference to the figures and the specific embodiments.
Example one
Referring to fig. 1 to 5, a closed drainage device includes a gland 1, a plug 2, a cushion 3 and an elastic cushion 4, in this embodiment, the elastic cushion 4 may be made of gel; the bottom surface of the gland 1 can be in any shape, a through hole is formed in the top of the gland 1, the plug 2 can be detachably arranged on the through hole, and the plug 2 can be a plastic plug or a rubber plug and is inserted into the through hole of the gland 1 and can be pulled out; the elastic sealing cushion layer 4 is arranged at the bottom of the gland 1, the two sides of the elastic sealing cushion layer 4 are both provided with viscosity, the bottom of the gland 1 is provided with viscosity, the bottom surface of the elastic sealing cushion layer 4 is adhered to the skin, and the top surface of the elastic sealing cushion layer 4 is adhered to the gland 1 and can be torn or adhered at any time, so that the parts can be conveniently replaced; the middle part of the elastic sealing cushion layer 4 is provided with a sealing cavity 41 for positioning the position of a wound, and the soft cushion 3 is arranged in the sealing cavity 41 and used for adsorbing dirt on the wound surface of the wound; the drain pipe 21 and the flushing pipe 22 penetrate through the plug 2 along the length direction, one end of the drain pipe 21 is communicated with the negative pressure source, the other end of the drain pipe is arranged below the gland 1, one end of the flushing pipe 22 is communicated with a flushing fluid input source, and the other end of the flushing pipe is arranged below the gland 1.
Furthermore, a sealing ring 23 is arranged on the outer side wall of the plug 2, and when the plug 2 is inserted into the through hole of the gland 1, the sealing ring 23 is tightly attached to the gland 1 to prevent air leakage.
Further, a connecting locking piece 5 is also included; the sealing ring 23 is arranged on the outer side wall of the lower end of the plug 2, an external thread is arranged on the outer side wall of the upper end part of the plug 2, a through hole with an internal thread is formed in the middle of the connecting locking piece 5, and the connecting locking piece 5 is in threaded connection with the plug 2; the outer edge of the bottom of the connecting fastener is fixedly provided with a baffle 51; when the plug 2 is used, the plug 2 is inserted into the through hole of the gland 1 from bottom to top, the connecting locking piece 5 is screwed from the upper part of the plug 2 through threads, and the plug 2 is fixed in the through hole of the gland 1 under the action of the baffle 51 and the sealing ring 23; when the plug 2 is to be disassembled, the connecting locking piece 5 is unscrewed, and the plug 2 is pulled out.
Furthermore, the device also comprises a U-shaped connecting conduit 24, one end of the U-shaped connecting conduit 24 is communicated with one end of the flushing conduit 22 positioned below the gland 1, and the other end of the U-shaped connecting conduit 24 bypasses the cushion 3 and is arranged below the cushion 3.
Further, the soft pad 3 is a spongy cushion.
The working principle of the embodiment is as follows:
when in use, the sealing cavity 41 is aligned with the wound of a patient, the device is tightly attached to the wound of the patient and is fixed by a bandage or an adhesive tape, and due to the ductility of the elastic sealing cushion layer 4 and the action of the sealing ring 23, the device has excellent sealing performance and can not generate air leakage; the drainage catheter 21 is communicated with a negative pressure source, the flushing catheter 22 is communicated with a flushing fluid input source, the flushing fluid input source and the negative pressure source are started, the flushing fluid flows into the sealed cavity 41 through the flushing catheter 22 and the U-shaped connecting catheter 24 to clean the wound, the flushing fluid cannot flow out of the wound range under the enclosure of the sealed cavity 41, and the wound can be effectively cleaned; the cleaned liquid passes through the soft pad 3 under the action of negative pressure and flows out of the drainage catheter 21.
After the device is used for a period of time, the cushion 3 with polluted inner part can be detached and replaced, and then the device is used after replacement; if the drainage catheter 21, the irrigation catheter 22 and the "U" -shaped connecting catheter 24 are also contaminated after a period of use, the plug 2 and the "U" -shaped connecting catheter 24 can be replaced correspondingly.
Example two
Referring to fig. 6 and 7, further, in this embodiment, the bottom of the gland 1 is circular, the elastic gasket 4 is circular, and the outer diameter of the elastic gasket 4 is not smaller than the diameter of the bottom of the gland 1.
Further, a first retraction structure 11 is arranged on the bottom outer edge of the gland 1 and is used for retracting the diameter of the bottom outer edge of the gland 1; the outer edge of the elastic sealing cushion layer 4 is provided with a second retraction structure 42 for retracting the outer diameter of the elastic sealing cushion layer 4, and the inner edge of the elastic sealing cushion layer 4 is provided with a third retraction structure 43 for enlarging the inner diameter of the elastic sealing cushion layer 4. In this embodiment, the first retracting structure 11, the second retracting structure 42, and the third retracting structure 43 are formed by surrounding the strip-shaped gel or the silica gel for one circle, each circle of gel strips or silica gel strips are fixedly connected together through the glue, the gel strips or silica gel strips can be torn off under the condition of external force, and each circle of gel strips or silica gel strips is in a sealing state under a stable state.
The working principle of the embodiment is as follows:
when the pressure-reducing gland is used, the outer diameter of the pressure cover 1, the outer diameter of the elastic sealing cushion layer 4 and the caliber of the sealing cavity 41 are adjusted according to the size of a wound part, a part of gel strips or silica gel strips of the first retraction structure 11 are torn off, the outer diameter of the pressure cover 1 can be reduced, and gel strips or silica gel strips with certain length are torn off according to the size of the wound part; tearing off a part of gel strips or silica gel strips of the second retraction structure 42, reducing the outer diameter of the elastic sealing cushion layer 4, and tearing off the gel strips or the silica gel strips with a certain length according to the adjusted size of the gland 1; the aperture of the sealed cavity 41 can be enlarged by tearing off part of the gel strip or the silica gel strip of the third indented structure 43, and the gel strip or the silica gel strip with a certain length can be torn off according to the size of the wound part.
EXAMPLE III
Referring to fig. 8, in this embodiment, the whole gland 1 is configured as a truncated cone shape, and has a certain space inside, so as to be suitable for a wound part with a certain protrusion, such as elbow, achilles tendon, etc., and the truncated cone shape is configured to better fit with the wound part.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. A closed drainage device is characterized in that: comprises a gland (1), a plug (2), a soft cushion (3) and an elastic sealing cushion layer (4); the top of the gland (1) is provided with a through hole, and the plug (2) is detachably arranged on the through hole; the elastic sealing cushion layer (4) is arranged at the bottom of the gland (1), a sealing cavity (41) for positioning a wound position is formed in the middle of the elastic sealing cushion layer, and the soft cushion (3) is used for adsorbing dirt of a wound surface and is arranged in the sealing cavity (41); drainage catheter (21) and washing pipe (22) are worn to be equipped with along length direction in end cap (2), drainage catheter (21) one end and negative pressure source intercommunication, the other end sets up in gland (1) below, wash pipe (22) one end and washing liquid input source intercommunication, the other end sets up in gland (1) below.
2. The closed drainage device according to claim 1, wherein: and a sealing ring (23) is arranged on the outer side wall of the plug (2).
3. The closed drainage device according to claim 2, wherein: also comprises a connecting lock piece (5); the sealing ring (23) is arranged on the outer side wall of the lower end of the plug (2), an external thread is arranged on the outer side wall of the upper end part of the plug (2), a through hole with an internal thread is formed in the middle of the connecting locking piece (5), and the connecting locking piece (5) is in threaded connection with the plug (2); the outer edge of the bottom of the connecting fastener is fixedly provided with a baffle (51).
4. The closed drainage device according to claim 1, wherein: the cushion is characterized by further comprising a U-shaped connecting conduit (24), one end of the U-shaped connecting conduit (24) is communicated with one end, located below the gland (1), of the flushing conduit (22), and the other end of the U-shaped connecting conduit is arranged below the cushion (3).
5. The closed drainage device according to claim 1, wherein: the bottom of the gland (1) is circular, the elastic sealing cushion layer (4) is circular, and the outer diameter of the elastic sealing cushion layer (4) is not smaller than the diameter of the bottom of the gland (1).
6. The closed drainage device according to claim 5, wherein: the outer edge of the bottom of the gland (1) is provided with a first retraction structure (1) for retracting the diameter of the outer edge of the bottom of the gland (1); the outer edge of elasticity seal cushion layer (4) is provided with second indentation structure (42), is used for the indentation the external diameter of elasticity seal cushion layer (4), the interior edge of elasticity seal cushion layer (4) is provided with third indentation structure (43), is used for expanding the internal diameter of elasticity seal cushion layer (4).
7. The closed drainage device according to claim 1, wherein: the soft cushion (3) is a spongy cushion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010518501.4A CN111569170A (en) | 2020-06-09 | 2020-06-09 | Closed drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010518501.4A CN111569170A (en) | 2020-06-09 | 2020-06-09 | Closed drainage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111569170A true CN111569170A (en) | 2020-08-25 |
Family
ID=72121700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010518501.4A Pending CN111569170A (en) | 2020-06-09 | 2020-06-09 | Closed drainage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111569170A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111773449A (en) * | 2020-07-23 | 2020-10-16 | 福建骏格科技有限公司 | Ring-type closed drainage device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203139366U (en) * | 2013-01-25 | 2013-08-21 | 中国人民解放军南京军区南京总医院 | Negative pressure wound therapy self-adhesive sucker type drainage tube |
| CN103285495A (en) * | 2013-05-22 | 2013-09-11 | 苏州爱得科技发展有限公司 | Medical negative-pressure closed draining device |
| CN103495259A (en) * | 2013-09-18 | 2014-01-08 | 苏州爱得科技发展有限公司 | Double-hole type sucker negative pressure drainage device |
| CN205041955U (en) * | 2015-09-02 | 2016-02-24 | 深圳齐康医疗器械有限公司 | Negative pressure drainage subassembly |
| US20190167483A1 (en) * | 2016-05-20 | 2019-06-06 | Kci Licensing, Inc. | Replaceable Dressing And Method For Viewing A Tissue Site |
| CN212593262U (en) * | 2020-06-09 | 2021-02-26 | 福建骏格科技有限公司 | Closed drainage device |
-
2020
- 2020-06-09 CN CN202010518501.4A patent/CN111569170A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203139366U (en) * | 2013-01-25 | 2013-08-21 | 中国人民解放军南京军区南京总医院 | Negative pressure wound therapy self-adhesive sucker type drainage tube |
| CN103285495A (en) * | 2013-05-22 | 2013-09-11 | 苏州爱得科技发展有限公司 | Medical negative-pressure closed draining device |
| CN103495259A (en) * | 2013-09-18 | 2014-01-08 | 苏州爱得科技发展有限公司 | Double-hole type sucker negative pressure drainage device |
| CN205041955U (en) * | 2015-09-02 | 2016-02-24 | 深圳齐康医疗器械有限公司 | Negative pressure drainage subassembly |
| US20190167483A1 (en) * | 2016-05-20 | 2019-06-06 | Kci Licensing, Inc. | Replaceable Dressing And Method For Viewing A Tissue Site |
| CN212593262U (en) * | 2020-06-09 | 2021-02-26 | 福建骏格科技有限公司 | Closed drainage device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111773449A (en) * | 2020-07-23 | 2020-10-16 | 福建骏格科技有限公司 | Ring-type closed drainage device |
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