CN102715983A - Medical natural porous fiber filler and vacuum sealing drainage device thereof - Google Patents
Medical natural porous fiber filler and vacuum sealing drainage device thereof Download PDFInfo
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- CN102715983A CN102715983A CN2012102151825A CN201210215182A CN102715983A CN 102715983 A CN102715983 A CN 102715983A CN 2012102151825 A CN2012102151825 A CN 2012102151825A CN 201210215182 A CN201210215182 A CN 201210215182A CN 102715983 A CN102715983 A CN 102715983A
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Abstract
The invention discloses medical natural porous fiber filler and a vacuum sealing drainage device thereof. The medical natural porous fiber filler adopts one or the combination of more of common coconut fibre wire, bast fiber, hard leaf fiber and raw bamboo fiber. The drainage device comprises a vacuum source, a vacuum pipeline, a flushing pipeline, natural porous fiber, a micropore outer cladding, a sealing padded film, a built-in drainage pipe and a built-in flushing pipe, wherein the top and the bottom of the micropore outer cladding are coated with the natural porous fiber; the sealing padded film is covered on the surface of the natural porous fiber; the built-in drainage pipe and the built-in flushing pipe are arranged in the natural porous fiber; openings are distributed on the inner walls of the built-in drainage pipe and the built-in flushing pipe; one end of the vacuum pipeline is communicated with the vacuum source; the other end of the vacuum pipeline is connected with the built-in drainage pipe; the flushing pipeline is connected with the built-in flushing pipe; and the built-in flushing pipe is distributed on the periphery of the built-in drainage pipe. According to the vacuum sealing drainage device disclosed by the invention, the traditional polyvinyl acetate (PVA) foam material is replaced by the natural porous fiber so as to avoid blockage caused by local negative pressure in the traditional device, the filler laid on a wound can be efficiently and fully utilized, and the vacuum sealing drainage device has the advantages of excellent drainage effect, deformation resistance and low cost.
Description
Technical field
The present invention relates to medical material and surgical medical equipment field, relate in particular to a kind of medical natural porous fibre filler and negative pressure closed drainage device thereof.
Background technology
The notion of negative-pressure sealed drainage technology (Vacuum Sealing Drainage is called for short the VSD technology) is initiated in 1992 by German ULM doctor Fleischmann of university the earliest, and forms theoretical blank, is used for the drain and the treatment of extremity wound surface.The VSD technology can promote the wound surface local blood circulation, promotes granulation tissue growth in the wound surface, reduces tissue bacterial content, improves flap or free skin-grafting survival rate.
Conventional at present VSD technology is to utilize the polyethylene ethanol aquation Sargassum salt foam dressing (being called for short PVA dressing) that contains drainage tube; Cover or fill the wound surface of skin, soft tissue defects; The biological semipermeable membrane of reuse seals it; Make it become a confined space, connect negative pressure source to drainage tube at last, promote wound healing through controllable negative pressure.Because the hole in the porous foam cushion is steeped or hole interconnects and high resilience, negative pressure can arrive the every bit in target drain district, forms an omnibearing drain.
But still there is deficiency in existing negative pressure drainage device: on the one hand be that existing built-in drainage tube opening is positioned at the end, cause local PVA load bigger, cause obstruction easily, be not utilized effectively away from the dressing of opening part; The defective that is to utilize the PVA material to exist as dressing on the other hand: PVA contact ethanol can dissolve, touch can become when containing iodine medicament black-and-blue; Long term exposure is in air, or to be in for a long time under the negative pressure state can be that dehydration becomes dry, and is hard like Gypsum Fibrosum, need soak into normal saline once more and could recover elasticity; If the preparation of foaming that PVA is filler with starch is difficult to starch is thoroughly cleaned up, causes easily and pollute.The defective of above PVA material tends to cause stop up clinically, problems such as drain is invalid, suction function disappearance; Seriously hindered the reparation of wound surface; And the production cost of PVA material is very high, and different mesh diameters, thickness, density cause the difference of breathability and permeability, and its product price difference is also very big; Present domestic negative pressure drainage device mostly depends on the PVA material of import, has increased heavy financial burden to the patient.
Summary of the invention
Goal of the invention: the purpose of this invention is to provide a kind of with low cost, drain is unobstructed is used in the medical natural porous fibre filler in the negative pressure closed drainage device; Another object of the present invention provides a kind of negative pressure closed drainage device that utilizes low-cost common natural plant fibre as filler, is used to improve problems such as inadequate drainage that existing apparatus exists even obstruction, negative pressure disappear, model is single.
Technical scheme: in order to realize the foregoing invention purpose, a kind of medical natural porous fibre filler of the present invention comprises following component by mass percentage:
Coconut fibre silk 40 ~ 100%,
Phloem fiber 0 ~ 60%,
Hard leaf fibre 0 ~ 60%;
Said coconut fibre silk comprises coconut shred, or monofilament, or the combination of coconut shred and monofilament; Said phloem fiber comprises any one or the multiple combination in hemp, flax fiber, ramee, the tossa; Said hard leaf fibre comprises sisal fiber, or abaca fibre, or the combination of sisal fiber and abaca fibre.
Must be noted that coconut shred according to the invention is meant the Plant fiber on coconut husk surface, said monofilament is meant the Plant fiber of palm trunk surface.The fiber of coconut shred and monofilament is slightly long, and content of lignin is very high, and hydrophobicity is strong, and is corrosion-resistant, and tough and tensile tension is comparatively ideal base material.
Said hemp, flax fiber, ramee, tossa are meant the natural plant fibre that Fructus Cannabis, Caulis et Folium Lini, Boehmeria, Corchorus olitorius L. phloem are peeled off, obtained after refining.The degree of lignification of this fibrid is low, and fiber is elongated, has capillary effect, and drainage effect is good, and toughness is high.Aperture that how much influences dressing and density that this fibrid adds, thus can produce different model, meet the negative pressure drainage device of different occasions.
Said sisal fiber, abaca fibre are meant the vascular bundle fiber of taking from Folium Agaves Sisalanae or the abaca blade, are referred to as the hard leaf fibre.This fiber degree of lignification is high, and quality is harder, and being added with to be beneficial to of this fibrid makes the dressing molding, can resist the dressing deformation that long-term negative pressure causes.
As preferred version of the present invention, said medical natural porous fibre filler comprises following component by mass percentage:
Coconut fibre silk 40 ~ 60%,
Phloem fiber 15 ~ 30%,
Hard leaf fibre 15 ~ 30%.
As further optimization of the present invention, said natural porous fibre filler also comprises 0 ~ 30% bamboo fiber by mass percentage.Said bamboo fiber is to make after the common method combing of adopting drying of bamboo, boiling-off, biological enzyme degumming, and its capillary effect is outstanding than phloem fiber, has air permeability and good and wearability, natural antibacterial, uvioresistant.
The mesh diameter of said natural porous fibre filler is 0.2 ~ 1.0mm.Under suction function, block derivated bigger, that quality is not too hard can be divided into graininess in natural porous fibre filler, and the hole of process filler gets into built-in drainage tube and built-in pipeline; The bulk derivated that possibly stop up drainage tube is then stopped by dressing, attached to the surface, when removing or change drain, leaves body with the porous foam cushion.
The negative pressure closed drainage device that a kind of medical natural porous fibre filler of the present invention is processed comprise negative pressure source, negative pressure line, flushing line, natural porous fibre filler, up and down wrap up said natural porous fibre filler the micropore surrounding layer, cover the sealing pad pasting of natural porous fibre filling surface and be located in the natural porous fibre filler and sidewall all is distributed with the built-in drainage tube and the built-in syringe pipe of opening; Said negative pressure line one end is communicated with negative pressure source, and the other end links to each other with built-in drainage tube; Said flushing line links to each other with built-in syringe pipe, and said built-in syringe pipe is distributed in the periphery of built-in drainage tube.
The sealing of sealing pad pasting is maintained the negative pressure as drain power, also makes by the drain district simultaneously to be hedged off from the outer world, and has prevented pollution and cross infection effectively.The thickness of said natural porous fibre filler is 0.8 ~ 1.5cm.
In clinical practice, in order to be applicable to the wound surface of different area size, the filler sizes of use is different, and the distribution of said built-in drainage tube in filler also will be carried out adaptive adjustment, to satisfy the demand of drain and negative pressure.Said built-in drainage tube is provided with 2 ~ 5 branch roads.The area of said natural porous fibre filler is big more, and branch road is just many more.
Built-in syringe pipe according to the invention is distributed in the periphery of built-in drainage tube.Because built-in drainage tube and negative pressure source are communicated with; Therefore under suction function; Flushing liquor from periphery can flow to center position; Can make built-in syringe pipe surround the interior blood in zone, tissue fluid, derivated etc. and move to delivery outlet, the filler in the gamut is effectively utilized through natural porous fibre filler.
Medical natural porous fibre filler of the present invention be with one or more natural plant fibres through washing, shortly cut, insert behind dry, the tabletting built-in drainage tube and built-in syringe pipe and fix with needlework; Outside closed with micropore surrounding layer parcel, high pressure steam sterilization makes then.Adopt warm water to wash, fiber " Pilus Caprae seu Ovisization " is curled, improve the cohesive force between the fiber.
Beneficial effect: a kind of medical natural porous fibre filler of the present invention adopts brand-new natural plant fibre, greatly reduces cost, for the patient reduces the heavy burdens; And these natural porous fibres acquisition channels are wide; Need processing hardly, intensity and toughness are high, and is antibiotic durable; Have the capillary tube effect, drainage effect is good.Component through adjusting different fibers and proportioning can be made into the filler of the arbitrary shape of different mesh diameters, different densities, varying strength.Negative pressure closed drainage device of the present invention guarantees comprehensive CD, is difficult for causing local the obstruction, makes filler be able to efficiently, be utilized fully.
Description of drawings
Fig. 1 is the structural representation of negative pressure closed drainage device of the present invention.
The specific embodiment
Embodiment 1
The medical natural porous fibre filler of present embodiment all is a monofilament, and washing in 35 ~ 50 ℃ of purified water, short cutting to 8 ~ 15cm make behind bake drying or natural air drying, the tabletting then, and mesh diameter is at 0.5 ~ 1.0mm.Monofilament need not to carry out other processing, and steam sterilization gets final product behind parcel micropore surrounding layer.
Embodiment 2
The medical natural porous fibre filler of present embodiment all is a coconut shred, and washing in 25 ~ 50 ℃ of purified water, short cutting to 8 ~ 15cm make behind bake drying or natural air drying, the tabletting then, and mesh diameter is at 0.4 ~ 0.8mm.Coconut shred need not to carry out other processing, and steam sterilization gets final product behind parcel micropore surrounding layer.
Embodiment 3
The medical natural porous fibre filler of present embodiment is 50 wt% coconut shreds+50 wt% monofilaments, and washing in 30 ~ 50 ℃ of purified water, short cutting to 8 ~ 15cm make behind bake drying or natural air drying, the tabletting then, and mesh diameter is at 0.5 ~ 0.9mm.Need not to carry out other processing, steam sterilization gets final product behind parcel micropore surrounding layer.
Embodiment 4
The medical natural porous fibre filler of present embodiment comprises:
40 wt% monofilaments,
60 wt% ramees,
Washing, ramee come unstuck in 20 ~ 50 ℃ of purified water, and short cutting to 6 ~ 12cm makes behind bake drying or natural air drying, the tabletting then, and mesh diameter is at 0.2 ~ 0.5mm.Need not to carry out other processing, steam sterilization gets final product behind parcel micropore surrounding layer.The natural porous aggregate toughness of present embodiment is high and soft, and degree of lignification is little, and mesh diameter is little.
Embodiment 5
The medical natural porous fibre filler of present embodiment comprises:
40 wt% coconut shreds,
30 wt% tossas,
30 wt% flax fibers,
In 25 ~ 50 ℃ of purified water, wash, tossa and flax fiber are come unstuck, short cutting to 8 ~ 15cm makes behind bake drying or natural air drying, the tabletting then, and mesh diameter is at 0.3 ~ 0.6mm.Need not to carry out other processing, steam sterilization gets final product behind parcel micropore surrounding layer.Corchorus olitorius L. is rich in micropore, good hygroscopicity, and aproll is fast, and drainage effect is good, and Caulis et Folium Lini is soft, fineness is good, can increase the comfort level that product uses.
Embodiment 6
The medical natural porous fibre filler of present embodiment comprises:
50 wt% monofilaments,
10 wt% hemps,
30 wt% sisal fibers,
Hemp fiber degumming, sisal fiber need pickling, washing, kiering to handle, and are blended in then to wash in 30 ~ 50 ℃ of purified water to beat fibre, and short cutting to 8 ~ 14cm makes behind bake drying or natural air drying, the tabletting then, and mesh diameter is at 0.8 ~ 1.5mm.Need not to carry out other processing, steam sterilization gets final product behind parcel micropore surrounding layer.The cost of hemp is lower, and resistance to corrosion is strong, increases the intensity of filler through adding sisal fiber, prevents the distortion that causes because of long-time negative pressure.
The medical natural porous fibre filler of present embodiment comprises:
40 wt% monofilaments,
40 wt% ramees,
10 wt% sisal fibers,
10 wt% abaca fibres,
The ramee processing of coming unstuck after sisal fiber and abaca fibre pickling, washing, the kiering, is mixed in 20 ~ 50 ℃ of purification and washs, short cutting to 7 ~ 12cm, and bake drying or natural air drying make behind the tabletting then, and mesh diameter is at 0.6 ~ 1.3mm.Need not to carry out other processing, steam sterilization gets final product behind parcel micropore surrounding layer.
The medical natural porous fibre filler of present embodiment comprises:
70 wt% monofilaments,
30 wt% bamboo fibers,
After drying of bamboo, kiering, biological enzyme degumming, combing, be mixed in 20 ~ 50 ℃ of purified water with monofilament and wash, soak, short cutting to 8 ~ 15cm, air-dry, tabletting makes.Mesh diameter is at 0.5 ~ 0.8mm, and the capillary effect of bamboo fiber is far above ramee, and drainage effect is very good, and has the natural antibacterial effect.
The medical natural porous fibre filler of present embodiment comprises:
55 wt % monofilaments,
25wt % ramee,
5wt % sisal fiber,
15 wt % bamboo fibers,
Ramee soaks, comes unstuck, and sisal fiber pickling, washing, kiering are handled, and drying of bamboo, kiering, biological enzyme degumming, combing are mixed in 20 ~ 50 ℃ of purified water with monofilament and wash, soak again, and short cutting to 8 ~ 15cm, air-dry, tabletting makes.Mesh diameter is at 0.5 ~ 0.7mm.
Please refer to Fig. 1; The negative pressure closed drainage device of a kind of natural porous fibre of present embodiment; Comprise negative pressure source 1, negative pressure line 2, flushing line 3, certain thickness natural porous fibre 4, sealing pad pasting 5, be located in the natural porous fibre 4 and sidewall all is distributed with the built-in drainage tube 7 and the built-in syringe pipe 8 of opening 6; And be located at the control valve 9 on the negative pressure line 2 and compile container 10, natural porous fibre 4 wraps up micropore surrounding layer 11 up and down; Sealing pad pasting 5 covers the surface of natural porous fibre 4; Negative pressure line 2 one ends are communicated with negative pressure source 1, and the other end links to each other with built-in drainage tube 7; Flushing line 3 links to each other with built-in syringe pipe 8, and built-in syringe pipe 8 is distributed in the periphery of built-in drainage tube 7.
Wherein natural porous fibre 4 adopts the scheme of embodiment 6, and thickness is 0.8cm; The micropore surrounding layer adopts nonwoven cloth material to process, and the sealing pad pasting is a conventional medical plastic seal pad pasting, is used for forming airtight negative pressure space at wound surface.Built-in drainage tube 7 is provided with 2 branch roads.
The negative pressure closed drainage device of a kind of natural porous fibre of present embodiment; Comprise negative pressure source 1, negative pressure line 2, flushing line 3, certain thickness natural porous fibre 4, sealing pad pasting 5, be located in the natural porous fibre 4 and sidewall all is distributed with the built-in drainage tube 7 and the built-in syringe pipe 8 of opening 6; And be located at the control valve 9 on the negative pressure line 2 and compile container 10, natural porous fibre 4 wraps up micropore surrounding layer 11 up and down; Sealing pad pasting 5 covers the surface of natural porous fibre 4; Negative pressure line 2 one ends are communicated with negative pressure source 1, and the other end links to each other with built-in drainage tube 7; Flushing line 3 links to each other with built-in syringe pipe 8, and built-in syringe pipe 8 is distributed in the periphery of built-in drainage tube 7.
Wherein natural porous fibre 4 adopts the scheme of embodiment 7, and thickness is 1.5cm; The micropore surrounding layer adopts nonwoven cloth material to process, and the sealing pad pasting is a conventional medical plastic seal pad pasting, is used for forming airtight negative pressure space at wound surface.Built-in drainage tube 7 is provided with 5 branch roads.
Embodiment 12
The negative pressure closed drainage device of a kind of natural porous fibre of present embodiment; Comprise negative pressure source 1, negative pressure line 2, flushing line 3, certain thickness natural porous fibre 4, sealing pad pasting 5, be located in the natural porous fibre 4 and sidewall all is distributed with the built-in drainage tube 7 and the built-in syringe pipe 8 of opening 6; And be located at the control valve 9 on the negative pressure line 2 and compile container 10, natural porous fibre 4 wraps up micropore surrounding layer 11 up and down; Sealing pad pasting 5 covers the surface of natural porous fibre 4; Negative pressure line 2 one ends are communicated with negative pressure source 1, and the other end links to each other with built-in drainage tube 7; Flushing line 3 links to each other with built-in syringe pipe 8, and built-in syringe pipe 8 is distributed in the periphery of built-in drainage tube 7.
Wherein natural porous fibre 4 adopts the scheme of embodiment 9, and thickness is 1.5cm; The micropore surrounding layer adopts nonwoven cloth material to process, and the sealing pad pasting is a conventional medical plastic seal pad pasting, is used for forming airtight negative pressure space at wound surface.Built-in drainage tube 7 is provided with 3 branch roads.
The above only is a preferred implementation of the present invention; Be noted that for those skilled in the art; Under the prerequisite that does not break away from the principle of the invention, can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (7)
1. a medical natural porous fibre filler is characterized in that, comprises following component by mass percentage:
Coconut fibre silk 40 ~ 100%,
Phloem fiber 0 ~ 60%,
Hard leaf fibre 0 ~ 60%;
Said coconut fibre silk comprises coconut shred, or monofilament, or the combination of coconut shred and monofilament;
Said phloem fiber comprises any one or the multiple combination in hemp, flax fiber, ramee, the tossa;
Said hard leaf fibre comprises sisal fiber, or abaca fibre, or the combination of sisal fiber and abaca fibre.
2. a kind of medical natural porous fibre filler according to claim 1 is characterized in that, comprises following component by mass percentage:
Coconut fibre silk 40 ~ 60%,
Phloem fiber 15 ~ 30%,
Hard leaf fibre 15 ~ 30%.
3. a kind of medical natural porous fibre filler according to claim 1 and 2, it is characterized in that: said natural porous fibre filler also comprises 0 ~ 30% bamboo fiber by mass percentage.
4. a kind of medical natural porous fibre filler according to claim 1, it is characterized in that: the mesh diameter of said natural porous fibre filler is 0.2 ~ 1.0mm.
5. negative pressure closed drainage device that the medical according to claim 1 natural porous fibre filler of utilization is processed; It is characterized in that this device comprises: negative pressure source, negative pressure line, flushing line, natural porous fibre filler, up and down wrap up said natural porous fibre filler the micropore surrounding layer, cover the sealing pad pasting of natural porous fibre filling surface and be located in the natural porous fibre filler and sidewall all is distributed with the built-in drainage tube and the built-in syringe pipe of opening; Said negative pressure line one end is communicated with negative pressure source, and the other end links to each other with built-in drainage tube; Said flushing line links to each other with built-in syringe pipe, and said built-in syringe pipe is distributed in the periphery of built-in drainage tube.
6. a kind of negative pressure closed drainage device according to claim 5 is characterized in that: said built-in drainage tube is provided with 2 ~ 5 branch roads.
7. a kind of negative pressure closed drainage device according to claim 5 is characterized in that: the thickness of said natural porous fibre filler is 0.8 ~ 1.5cm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012102151825A CN102715983A (en) | 2012-06-27 | 2012-06-27 | Medical natural porous fiber filler and vacuum sealing drainage device thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012102151825A CN102715983A (en) | 2012-06-27 | 2012-06-27 | Medical natural porous fiber filler and vacuum sealing drainage device thereof |
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| CN2012102151825A Pending CN102715983A (en) | 2012-06-27 | 2012-06-27 | Medical natural porous fiber filler and vacuum sealing drainage device thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107580484A (en) * | 2015-05-18 | 2018-01-12 | 史密夫及内修公开有限公司 | Fluid coupling for negative pressure wound therapy |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2276350Y (en) * | 1996-07-08 | 1998-03-18 | 王彦峰 | Drainage tube with wrapping material |
| CN1879582A (en) * | 2006-03-27 | 2006-12-20 | 万新民 | High moisture-absorbing lignosol type medical dressing |
| CN101277734A (en) * | 2005-10-03 | 2008-10-01 | 凯希特许有限公司 | Externally-applied patient interface system and method |
| CN101395192A (en) * | 2006-01-31 | 2009-03-25 | 泰科保健集团有限合伙公司 | Super soft foams |
| CN101254145B (en) * | 2007-02-28 | 2011-03-23 | 周长忠 | Multilayer shallow layer trauma special hydrophilic dressing |
| CN202637688U (en) * | 2012-06-27 | 2013-01-02 | 南京双威生物医学科技有限公司 | Vacuum sealing drainage device for natural porous fiber |
-
2012
- 2012-06-27 CN CN2012102151825A patent/CN102715983A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2276350Y (en) * | 1996-07-08 | 1998-03-18 | 王彦峰 | Drainage tube with wrapping material |
| CN101277734A (en) * | 2005-10-03 | 2008-10-01 | 凯希特许有限公司 | Externally-applied patient interface system and method |
| CN101395192A (en) * | 2006-01-31 | 2009-03-25 | 泰科保健集团有限合伙公司 | Super soft foams |
| CN1879582A (en) * | 2006-03-27 | 2006-12-20 | 万新民 | High moisture-absorbing lignosol type medical dressing |
| CN101254145B (en) * | 2007-02-28 | 2011-03-23 | 周长忠 | Multilayer shallow layer trauma special hydrophilic dressing |
| CN202637688U (en) * | 2012-06-27 | 2013-01-02 | 南京双威生物医学科技有限公司 | Vacuum sealing drainage device for natural porous fiber |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107580484A (en) * | 2015-05-18 | 2018-01-12 | 史密夫及内修公开有限公司 | Fluid coupling for negative pressure wound therapy |
| CN107580484B (en) * | 2015-05-18 | 2020-12-15 | 史密夫及内修公开有限公司 | Fluid connector for negative pressure wound therapy |
| US11154649B2 (en) | 2015-05-18 | 2021-10-26 | Smith & Nephew Plc | Fluidic connector for negative pressure wound therapy |
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Application publication date: 20121010 |