CN201920992U - Medical dressing - Google Patents
Medical dressing Download PDFInfo
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- CN201920992U CN201920992U CN2010206866931U CN201020686693U CN201920992U CN 201920992 U CN201920992 U CN 201920992U CN 2010206866931 U CN2010206866931 U CN 2010206866931U CN 201020686693 U CN201020686693 U CN 201020686693U CN 201920992 U CN201920992 U CN 201920992U
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- dressing
- alginic acid
- fibre
- medical dressing
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Abstract
The utility model discloses a medical dressing, which comprises a dressing body. The dressing body is a strip formed by entangling and cohering alginate fibers; the dressing body is a fiber mesh pad formed by carrying out a rolling process on a fiber mesh formed by carding the alginate fibers, or the fiber mesh pad formed by entanglement through a hydroentanglement or acupuncture process. In the utility model, the medical dressing made of the alginate fibers is used in a chronic wound nursing process, due to the fact that the medical dressing has good moisture absorption performance, large amount of percolate of a chronic wound can be absorbed; due to the fact that the medical dressing has good gel formation performance, an ideal wet healing environment can be provided for the wound, and moreover, the dressing can also be prevented from being adhered with the wound, so that secondary damage is avoided; moreover, the alginate medical dressing has very good application performance, a medical worker can rapidly fix the medical dressing to the wound, and thereby, the working efficiency is improved.
Description
Technical field
This utility model relates to field of medical materials, particularly, relates in particular to a kind of medical dressing.
Background technology
Wound is a kind of integrity and successional destruction to human body skin.In the daily life, the reason that forms wound has a lot, comprising by the morphogenetic wound of patient's physiological disease.Along with the aging of population and the increase of obesity, increasing people is suffering chronic wounds, and as the misery that decubital ulcer, venous ulcer and diabetic ulcer etc. are brought, chronic wounds mainly influences the old people and those have the people of multiple health problem.Therefore, chronic wounds nursing becomes one of main challenge that whole world medical health system faces.
Medical dressing is a kind of flap coverage, the material of auxiliary wound healing.Generally, chronic wounds all can have more or serious wound fluid.At present, about the nursing of this class chronic wounds, generally all adopt the polyurethane foam medical dressing, this class medical dressing can absorb a large amount of transudates, and can keep wound at an ideal wet union environment, thereby has greatly improved the healing process of wound.But this class polyurethane foam medical dressing exists following shortcoming: 1) in the middle of the hole of granulation meeting progress foam dressing, can cause the secondary injury to wound, increase patient's misery; 2), difficultly be applied in difficult fixed position, as the oxter etc. because this class A foam A dressing is all harder comparatively speaking, and its applying ointment or plaster property is not fine; 3) existing polyurethane foam medical dressing is generally planar sheet, can not well be applied in the cave type wound with certain depth.
Therefore, also there are some defectives in existing medical dressing, needs to improve.
The utility model content
The technical problems to be solved in the utility model is at the deficiencies in the prior art, provides a kind of and has certain hemostatic function, moisture absorption becomes the alginic acid medical dressing that colloidality is good and the performance of applying ointment or plaster is good.
For achieving the above object, this utility model has adopted following technical scheme:
A kind of medical dressing comprises the dressing body, the strip of described dressing body for being formed by the entanglement obvolvent between the fiber by alginic acid fibre.
In a kind of embodiment of the present utility model, described alginic acid fibre is high M alginic acid fibre or high G alginic acid fibre.
In a kind of embodiment of the present utility model, described alginic acid fibre is a divalent metal alginate fiber.
In a kind of embodiment of the present utility model, described alginic acid fibre is calcium alginate fibre or alginic acid zinc fiber.
A kind of medical dressing comprises the dressing body, the fibre web pad of described dressing body for the fibre web behind the alginic acid fibre carding is formed through rolling process, perhaps the fibre web pad that tangles and form by water thorn or needling process.
In a kind of embodiment of the present utility model, described alginic acid fibre is high M alginic acid fibre or high G alginic acid fibre.
In a kind of embodiment of the present utility model, described alginic acid fibre is other divalent metal alginate fiber.
In a kind of embodiment of the present utility model, described alginic acid fibre is calcium alginate fibre or alginic acid zinc fiber.
In a kind of embodiment of the present utility model, described medical dressing also comprises the stratiform matrix that size is bigger than dressing body, and described dressing body is fixed on a side surface of matrix by tack coat.
In a kind of embodiment of the present utility model, described matrix is breathable film, have the non-weaving cloth or the foam dressing of anti-water resistance bacterium performance.
Owing to adopted above technical scheme, the beneficial effect that this utility model is possessed is: alginic acid fibre has good moisture pick-up properties, the gel-forming property and the performance of applying ointment or plaster, in the nursing process of chronic wounds, the medical dressing that use is made by alginic acid fibre, owing to have good moisture pick-up properties, therefore can absorb the transudate of a large amount of chronic wounds; Owing to have good gel-forming property, ideal wet union environment of wound can be offered, but also dressing and wound adhesion can be prevented, avoid the secondary injury; And because the alginic acid medical dressing has good attached subsides performance, medical personnel can be fixed on medical dressing on the wound soon, have improved work efficiency.
Among the another kind of embodiment of the present utility model, medical dressing is made into strip, is applicable to cave type wound with certain depth.Can be according to big young pathbreaker's strip dressing of cave type wound folding or with many strip dressing and lump together and put into wound, the transudate in the absorption wound.
Description of drawings
Fig. 1 is the medical dressing sketch map of the strip of a kind of embodiment of this utility model;
Fig. 2 is the medical dressing sketch map of the fibre web cushion of a kind of embodiment of this utility model;
Fig. 3 is the based composite dressing for medical use sketch map of a kind of embodiment of this utility model.
The specific embodiment
In conjunction with the accompanying drawings this utility model is described in further detail below by the specific embodiment.
Alginic acid is a kind of water soluble polymer polysaccharide that extracts in natural seaweed, and it is a kind of by β-D-manna alditol (M) acid and the sour natural polymer copolymer of forming of α-L-gulose aldehyde (G).
Alginic acid is present among the Sargassum widely, and exsiccant Sargassum generally contains 20% the alginic acid of having an appointment.The process of extracting alginic acid from Sargassum comprises: after the results Sargassum, Sargassum through washing, grinding, is dissolved the intravital alginic acid of algae with aqueous slkali then.Through further separating and filter, the alginic acid that extracts in the Sargassum is through super-dry with grind the water miscible sodium alginate powder of back formation.After sodium alginate was dissolved in water, its aqueous solution can combine with bivalent metal ion and form water-fast colloid.
Sodium alginate can also be processed into fiber by wet spinning technology.Sodium alginate forms solution after being dissolved in water, after can being squeezed into calcium chloride (or other bivalent metal ion) aqueous solution of 1% (mass percentage concentration) by spinneret orifice, the spinning solution that contains 5% (mass percentage concentration) sodium alginate forms the calcium alginate strand, through further technologies formation calcium alginate fibres such as washing, drying.An excellent properties of this fiber is that it can form colloid with pus and blood contact back.The fiber that is applied on the medical dressing generally is the calcium salt of alginic acid, and with after pus and blood on the wound contacts, the sodium ion in the human body is with the calcium ion generation ion exchange on the alginic acid fibre.After increasing sodium ion enters alginic acid fibre, alginic acid fibre itself converts water-soluble sodium alginate to by water-fast calcium alginate at leisure, a large amount of moisture enters alginic acid fibre and makes fiber form colloid, makes wound remain on an ideal moist environment that is suitable for wound healing.Simultaneously, because calcium alginate fibre can also provide extra calcium ion to wound by ion exchange, calcium ion plays important effect in wound healing and hemostasis.
Because alginic acid is made up of β-D-manna alditol (M) acid and the sour natural polymer copolymer of forming of α-L-gulose aldehyde (G), different according to the β that contains in the alginic acid fibre-D-manna alditol (M) acid and α-L-gulose aldehyde (G) acid ratio example generally can be divided into calcium alginate fibre high G calcium alginate fibre, high M calcium alginate fibre, middle G calcium alginate fibre and middle M calcium alginate fibre.
Shown in Figure 1 is the medical dressing sketch map that is strip of a kind of embodiment of this utility model, and this kind medical dressing comprises dressing body 1, and the strip of dressing body for being formed by the entanglement obvolvent between the fiber by alginic acid fibre.Because alginic acid fibre has good moisture pick-up properties, the gel-forming property and the performance of applying ointment or plaster.Therefore, the strip medical dressing that is formed by alginic acid fibre entanglement obvolvent also has good moisture pick-up properties, the gel-forming property and the performance of applying ointment or plaster, particularly suitable in the nursing process of chronic wounds.And, because the sodium ion in the human body enters in the alginic acid fibre, make alginic acid fibre form colloid, ideal wet union environment of wound can be offered, but also dressing and wound adhesion can be prevented, avoid the secondary injury.Simultaneously, the medical dressing of this kind strip is particularly useful for having in the cave type wound of certain depth, has avoided medical dressing of the prior art can not apply to have the problem of the cave type wound of certain depth well.
Simultaneously, the invention also discloses a kind of medical dressing, as shown in Figure 2, this kind medical dressing comprises dressing body 2, the fibre web pad of dressing body 2 for the fibre web behind the alginic acid fibre carding is formed through rolling process, perhaps the fibre web pad that tangles and form by water thorn or needling process.Similarly, this kind medical dressing has good moisture pick-up properties equally, the gel-forming property and the performance of applying ointment or plaster, particularly suitable in the process of chronic wounds.Simultaneously, the medical dressing of this kind fibre web pad is applicable to more smooth wound surface.
In the process of making medical dressing (comprising strip and fibre web pad), alginic acid fibre can be selected high M alginic acid fibre, high G alginic acid fibre.Wherein, adopt the medical dressing of high M calcium alginate preparation, can absorb the transudate of a large amount of chronic wounds, gel-forming property is good.But this kind medical dressing is after having absorbed a large amount of wound fluids, and medical dressing also can become colloidal, loses its original structure; Therefore when removing this kind medical dressing, must just can remove the calcium alginate fibre that remains on the wound with the normal saline flushing wound.The adhesion of high G calcium alginate fibre and calcium ion is strong, and with contact with normal saline the time, the sodium ion in the solution enters in the high G calcium alginate fibre thereby suppressed the moisture in the saline than the calcium ion generation ion exchange in difficult and the high G calcium alginate fibre.Therefore, the medical dressing that adopts high G calcium alginate fibre preparation still can keep hygrometric state stability of structure preferably behind the transudate that has absorbed chronic wounds, can remove by full wafer.Though adopt the medical dressing of high G calcium alginate fibre preparation to have stable hygrometric state structure, its moisture absorption gel-forming property is but not as adopting the medical dressing of high M calcium alginate preparation; Therefore, making medical dressing, can select high G calcium alginate fibre or high M alginic acid fibre according to the actual requirements.In fact, in the process of making medical dressing, alginic acid fibre can also be the composite fibre of high M alginic acid fibre and high G alginic acid fibre composition.
In one embodiment, when making the medical dressing of strip or fibre web pad, alginic acid fibre is a divalent metal alginate fiber, as calcium alginate fibre, alginic acid zinc fiber etc.For the moisture absorption gel-forming property of balance medical dressing and the complete performance of hygrometric state structure, alginic acid fibre can also be for the blended calcium alginate of certain proportion/sodium alginate fiber, or calcium alginate/CMC (sodium carboxymethyl cellulose) fiber; And in order to improve the anti-microbial property of medical dressing, alginic acid fibre can also be for adding the alginic acid fibre of certain proportion antimicrobial component, as calcium alginate/silver-colored fiber, calcium alginate/chitin fiber; For the healing of accelerated in wounds, alginic acid fibre also can be for adding the alginic acid fibre of certain proportion somatomedin, as calcium alginate/collagen fiber;
The shape of medical dressing is different, and in the process of making, its flow process also is different.Thus, the manufacturing process of the medical dressing of the medical dressing of detailed respectively below introduction manufacturing strip and fibre web pad:
When making the medical dressing of strip, the strip of dressing body 1 for forming by the entanglement obvolvent between the fiber by alginic acid fibre.Concrete mode is: can then alginic acid fibre be carded to wool top by alginic acid fibre is mixed through opening or cleaning; Perhaps alginic acid fibre is mixed through opening or cleaning, be then carded to fibre web, again fibre web is processed into non-weaving cloth through acupuncture or water jet process, at last the non-weaving cloth that is processed into is cut into the medical dressing of the strip of certain width.
When making the medical dressing of fibre web pad, the fibre web pad of dressing body 2 for the fibre web behind the alginic acid fibre carding is formed through rolling process, perhaps the fibre web pad that tangles and form by water thorn or needling process.Concrete mode is: can be then carded to fibre web by alginic acid fibre is mixed through opening or cleaning, again with the roll-in of the process of the fibre web behind the carding, thereby form looser fibre web pad; Perhaps, be then carded to fibre web, again the fibre web behind the carding be processed into non-weaving cloth through needling process or water jet process by alginic acid fibre is mixed through opening or cleaning; Adopt the dressing of rolling process preparation to have extraordinary moisture absorption gel-forming property, but after the moisture absorption, the hygrometric state structural intergrity of medical dressing is relatively poor; Though and the dressing that adopts water jet process to prepare has hygrometric state structural intergrity preferably,, cause the moisture absorption gel-forming property relatively poor because water jet process makes and combines closely between fiber and the fiber.Therefore, preferably adopt needling process, because adopt the dressing of needling process preparation can guarantee moisture absorption gel-forming property and hygrometric state structural intergrity preferably.
In order to improve the antibacterial shielding properties and the moisture pick-up properties of medical dressing, when making medical dressing, can combine with other dressing and make based composite dressing for medical use.In an embodiment, medical dressing also comprises the stratiform matrix 3 that size is bigger than dressing body 2, and dressing body 2 is fixed on a side surface of matrix 3 by tack coat 4.In fact, when making based composite dressing for medical use, 3 needs of matrix get final product slightly greatly than dressing body 2.Matrix 3 can be breathable film, anti-good non-weaving cloth or the foam dressing of water resistance bacterium performance.If the non-weaving cloth that medical dressing and breathable film or anti-water resistance bacterium performance are good is compound, make based composite dressing for medical use, then can improve the antibacterial shielding properties of medical dressing; If medical dressing is and compound with foam dressing, the based composite dressing for medical use of making then can increase the moisture pick-up properties and the antibacterial shielding properties of medical dressing greatly.
Shown in Figure 3 is the based composite dressing for medical use of medical dressing and the compound composition of foam medical dressing.Wherein, the dressing body 2 usefulness tack coats 4 of medical dressing are fixed on the foam medical dressing, form based composite dressing for medical use, and wherein, tack coat 4 can be medical glue.In the nursing of carrying out chronic wounds, when using this kind combine dressing, increased the moisture pick-up properties and the antibacterial shielding properties of medical dressing.
In the nursing process of chronic wounds, use medical dressing of the present utility model, because this kind medical dressing has good moisture pick-up properties, the gel-forming property and the performance of applying ointment or plaster, under the precondition of the transudate that guarantees to absorb a large amount of chronic wounds, also avoided owing to can cause the problem of secondary injury in the middle of the hole of granulation progress medical dressing to wound.In addition, use this kind medical dressing, can also improve medical personnel's work efficiency.
Above content be in conjunction with concrete embodiment to further describing that this utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For this utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from this utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (10)
1. a medical dressing comprises the dressing body, it is characterized in that: the strip of described dressing body for being formed by the entanglement obvolvent between the fiber by alginic acid fibre.
2. medical dressing as claimed in claim 1 is characterized in that, described alginic acid fibre is high M alginic acid fibre or high G alginic acid fibre.
3. medical dressing as claimed in claim 1 is characterized in that, described alginic acid fibre is a divalent metal alginate fiber.
4. medical dressing as claimed in claim 3 is characterized in that, described alginic acid fibre is calcium alginate fibre or alginic acid zinc fiber.
5. a medical dressing comprises the dressing body, it is characterized in that, the fibre web pad of described dressing body for the fibre web behind the alginic acid fibre carding is formed through rolling process, perhaps the fibre web pad that tangles and form by water thorn or needling process.
6. medical dressing as claimed in claim 5 is characterized in that, described alginic acid fibre is high M alginic acid fibre or high G alginic acid fibre.
7. medical dressing as claimed in claim 5 is characterized in that, described alginic acid fibre is a divalent metal alginate fiber.
8. medical dressing as claimed in claim 7 is characterized in that, described alginic acid fibre is calcium alginate fibre or alginic acid zinc fiber.
9. medical dressing as claimed in claim 5 is characterized in that, described medical dressing also comprises the stratiform matrix that size is bigger than dressing body, and described dressing body is fixed on a side surface of matrix by tack coat.
10. medical dressing as claimed in claim 9 is characterized in that, described matrix is breathable film, have the non-weaving cloth or the foam dressing of anti-water resistance bacterium performance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206866931U CN201920992U (en) | 2010-12-29 | 2010-12-29 | Medical dressing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206866931U CN201920992U (en) | 2010-12-29 | 2010-12-29 | Medical dressing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201920992U true CN201920992U (en) | 2011-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010206866931U Expired - Lifetime CN201920992U (en) | 2010-12-29 | 2010-12-29 | Medical dressing |
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| CN (1) | CN201920992U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102600018A (en) * | 2012-03-31 | 2012-07-25 | 华南理工大学 | Medical dressing with cooling function and wound healing prompting function and preparation method of medical dressing |
| CN102851878A (en) * | 2012-09-24 | 2013-01-02 | 淄博奈琦尔纺织科技发展有限公司 | Alginate fiber absorbable medical auxiliary material and manufacture technology thereof |
| CN103668617A (en) * | 2012-08-31 | 2014-03-26 | 康力得生技股份有限公司 | Natural polymer yarn, manufacturing method thereof, mesh fabric and application of the mesh fabric |
| CN104507507A (en) * | 2012-06-22 | 2015-04-08 | Z-医疗有限责任公司 | Hemostatic devices |
| CN104695128A (en) * | 2013-12-04 | 2015-06-10 | 东纶科技实业有限公司 | Alginate fiber non-woven material and preparing method thereof |
| US9333117B2 (en) | 2006-05-26 | 2016-05-10 | Z-Medica, Llc | Clay-based hemostatic agents and devices for the delivery thereof |
| TWI549703B (en) * | 2013-12-27 | 2016-09-21 | 瑞光股份有限公司 | Hemostatic material |
| CN106178080A (en) * | 2016-08-08 | 2016-12-07 | 耿云花 | A kind of surgery medical dressing hemostatic adhesive bandage |
| US9889154B2 (en) | 2010-09-22 | 2018-02-13 | Z-Medica, Llc | Hemostatic compositions, devices, and methods |
| US11167058B2 (en) | 2005-02-15 | 2021-11-09 | Virginia Commonwealth University | Hemostasis of wound having high pressure blood flow |
-
2010
- 2010-12-29 CN CN2010206866931U patent/CN201920992U/en not_active Expired - Lifetime
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11167058B2 (en) | 2005-02-15 | 2021-11-09 | Virginia Commonwealth University | Hemostasis of wound having high pressure blood flow |
| US9867898B2 (en) | 2006-05-26 | 2018-01-16 | Z-Medica, Llc | Clay-based hemostatic agents |
| US10960101B2 (en) | 2006-05-26 | 2021-03-30 | Z-Medica, Llc | Clay-based hemostatic agents |
| US11123451B2 (en) | 2006-05-26 | 2021-09-21 | Z-Medica, Llc | Hemostatic devices |
| US9333117B2 (en) | 2006-05-26 | 2016-05-10 | Z-Medica, Llc | Clay-based hemostatic agents and devices for the delivery thereof |
| US10086106B2 (en) | 2006-05-26 | 2018-10-02 | Z-Medica, Llc | Clay-based hemostatic agents |
| US11007218B2 (en) | 2010-09-22 | 2021-05-18 | Z-Medica, Llc | Hemostatic compositions, devices, and methods |
| US9889154B2 (en) | 2010-09-22 | 2018-02-13 | Z-Medica, Llc | Hemostatic compositions, devices, and methods |
| CN102600018B (en) * | 2012-03-31 | 2013-07-03 | 华南理工大学 | Medical dressing with cooling function and wound healing prompting function and preparation method of medical dressing |
| CN102600018A (en) * | 2012-03-31 | 2012-07-25 | 华南理工大学 | Medical dressing with cooling function and wound healing prompting function and preparation method of medical dressing |
| CN104507507A (en) * | 2012-06-22 | 2015-04-08 | Z-医疗有限责任公司 | Hemostatic devices |
| US9603964B2 (en) | 2012-06-22 | 2017-03-28 | Z-Medica, Llc | Hemostatic devices |
| US11559601B2 (en) | 2012-06-22 | 2023-01-24 | Teleflex Life Sciences Limited | Hemostatic devices |
| US9352066B2 (en) | 2012-06-22 | 2016-05-31 | Z-Medica, Llc | Hemostatic devices |
| CN110478518A (en) * | 2012-06-22 | 2019-11-22 | Z-医疗有限责任公司 | Hemostasis device |
| US10960100B2 (en) | 2012-06-22 | 2021-03-30 | Z-Medica, Llc | Hemostatic devices |
| CN103668617B (en) * | 2012-08-31 | 2016-12-21 | 康力得生技股份有限公司 | Natural polymer yarn and manufacture method, reticulated and application |
| CN103668617A (en) * | 2012-08-31 | 2014-03-26 | 康力得生技股份有限公司 | Natural polymer yarn, manufacturing method thereof, mesh fabric and application of the mesh fabric |
| CN102851878A (en) * | 2012-09-24 | 2013-01-02 | 淄博奈琦尔纺织科技发展有限公司 | Alginate fiber absorbable medical auxiliary material and manufacture technology thereof |
| CN104695128A (en) * | 2013-12-04 | 2015-06-10 | 东纶科技实业有限公司 | Alginate fiber non-woven material and preparing method thereof |
| TWI549703B (en) * | 2013-12-27 | 2016-09-21 | 瑞光股份有限公司 | Hemostatic material |
| CN106178080B (en) * | 2016-08-08 | 2019-07-23 | 绍兴瑞凯防护用品有限公司 | A kind of surgery medical dressing hemostatic adhesive bandage |
| CN106178080A (en) * | 2016-08-08 | 2016-12-07 | 耿云花 | A kind of surgery medical dressing hemostatic adhesive bandage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: WINNER MEDICAL CO., LTD. Free format text: FORMER NAME: WENJIAN INDUSTRY (SHENZHEN) CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Longhua Town, Guangdong city of Shenzhen province Bulong highway 518109 near the sound industrial park Patentee after: Sane medical supplies limited company Address before: Longhua Town, Guangdong city of Shenzhen province Bulong highway 518109 near the sound industrial park Patentee before: Winner Industries (Shenzhen) Co., Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110810 |