CN204814984U - Hemostasis repair materials of haemorrhoids operation - Google Patents
Hemostasis repair materials of haemorrhoids operation Download PDFInfo
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- CN204814984U CN204814984U CN201520227388.9U CN201520227388U CN204814984U CN 204814984 U CN204814984 U CN 204814984U CN 201520227388 U CN201520227388 U CN 201520227388U CN 204814984 U CN204814984 U CN 204814984U
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- hemostasis
- repair materials
- sponge
- sponge matrix
- cylindrical body
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Abstract
The utility model discloses a hemostasis repair materials of haemorrhoids operation, including the sponge base member and on the antiseized layer of sponge base member surface setting, the center of sponge base member is equipped with the through -hole, and antiseized layer is derivant or alginate or hyaluronic acid or the carboxymethyl cellulose or the collagen of chitosan or sodium alginate or chitosan. Sponge base member that this hemostasis repair materials of haemorrhoids operation was equipped with is applyed appropriate pressure to haemorrhoids postsurgical wound position and is equipped with the through -hole for doing benefit to the gaseous exhaust hole of discharge intestinal with hemostasis by compression, the center of sponge base member, simultaneously, the porous structure of sponge base member can absorb the sepage of wound around and in order to keep the dry and comfortable environment of wound, the antiseized layer of covering outward can effectively prevent the adhesion of wound and sponge base member, the physiology nature hemostasis of simultaneously antiseized layer, antibiotic and restoration wound. The utility model is suitable for a medical instrument field.
Description
Technical field
This utility model relates to medical instruments field, particularly relates to a kind of hemostasis repair materials of hemorrhoid operation.
Background technology
At present, after hemorrhoid operation excision, horn of plenty area vasculosa, wound position, usual postoperative doctor uses oil gauze to be rolled into meche and fills in anal orifice hemostasis, but the problem of gauze material causes Compressive Hemostasis not good, and patient's aerofluxus is also obstructed, simultaneously, pain can be caused to patient when filling in and take out, also may cause secondary injury to patient because of gauze adhesion wound.Therefore, urgently a kind ofly the hemostatic material that postoperation hemostasis by compression can not bring secondary injury is simultaneously met.
Utility model content
For solving the problem, this utility model provides a kind of hemostasis reparation providing piles surgical site infections surgery anal canal position, and plug is got conveniently, antiseptic anti-adhesion, and can reach the hemostasis repair materials of postoperative bowel and the narrow in early days hemorrhoid operation of prevention anus.
This utility model solves the technical scheme that its technical problem adopts:
A kind of hemostasis repair materials of hemorrhoid operation, the adherent layer comprising sponge matrix and arrange at sponge matrix outer surface, the center of sponge matrix is provided with through hole, and adherent layer is the derivant of chitosan or sodium alginate or chitosan or alginate or hyaluronic acid or carboxymethyl cellulose or collagen protein.
Be further used as the improvement of technical solutions of the utility model, the head that sponge matrix comprises a cylindrical body and arranges at cylindrical body top, head is water droplet spheroid or top be truncated cone bottom is semicircle spheroid, and the maximum gauge of head is greater than the radius of cylindrical body.
Be further used as the improvement of technical solutions of the utility model, the bottom of cylindrical body is provided with the base of a circle or taper, and the diameter of base end face is greater than the diameter of cylindrical body.
Be further used as the improvement of technical solutions of the utility model, between head and cylindrical body and between cylindrical body and base, be smooth transition.
Be further used as the improvement of technical solutions of the utility model, the shape of sponge matrix is cylinder or Fructus Canarii albi spheroid or two umbilicate greatly " 8 " word rotary body.
Be further used as the improvement of technical solutions of the utility model, sponge matrix is PU sponge or PVA sponge or silica gel.
Be further used as the improvement of technical solutions of the utility model, include chitosan and 2% ~ 5% glycerol that mass fraction is 1.5% ~ 2% in the Casting solution of chitosan, the molecular weight of chitosan is 20 ~ 50kDa, and the deacetylation of chitosan is greater than 75%.
Be further used as the improvement of technical solutions of the utility model, including mass fraction in the Casting solution of sodium alginate is the sodium alginate aqueous solution of 2% and the glycerol of 0.5%.
Be further used as the improvement of technical solutions of the utility model, adherent layer adopts brushing technique or spray art or dipping technique or pouring technology or electrospinning processes to be attached to sponge matrix outer surface.
Be further used as the improvement of technical solutions of the utility model, the length of sponge matrix is 1cm ~ 9cm, diameter range transition between 1cm ~ 10cm of sponge matrix, and the diameter of through hole is 0.2cm ~ 1.0cm.
The beneficial effects of the utility model: the sponge matrix that the hemostasis repair materials of this hemorrhoid operation is provided with applies suitable pressure with hemostasis by compression to postoperation wound site, can take into account internal hemorrhoid external hemorrhoid wound hemostasis requirement, prevention anus is narrow in early days; The center of sponge matrix is provided with the steam vent that through hole for the benefit of discharges intestinal gas; Meanwhile, the loose structure of sponge matrix can absorb the sepage of wound and surrounding to keep the dry and comfortable environment of wound; The adherent layer covered outward is the derivant of chitosan or sodium alginate or chitosan or alginate or hyaluronic acid or carboxymethyl cellulose or collagen protein, effectively can prevent the adhesion of wound and sponge matrix, simultaneously adherent layer can physiological haemostasis, antibacterial and repair wound, drastically increase the effect of operation.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is this utility model embodiment overall structure schematic diagram.
Detailed description of the invention
Be clearly and completely described below with reference to embodiment and the accompanying drawing technique effect to design of the present utility model, concrete structure and generation, to understand the purpose of this utility model, characteristic sum effect fully.Obviously; described embodiment is a part of embodiment of the present utility model, instead of whole embodiment, based on embodiment of the present utility model; other embodiments that those skilled in the art obtains under the prerequisite not paying creative work, all belong to the scope of this utility model protection.
With reference to Fig. 1, this utility model is a kind of hemostasis repair materials of hemorrhoid operation, the adherent layer 2 comprising sponge matrix 1 and arrange at sponge matrix 1 outer surface, the center of sponge matrix 1 is provided with through hole 3, and adherent layer 2 is the derivant of chitosan or sodium alginate or chitosan or alginate or hyaluronic acid or carboxymethyl cellulose or collagen protein.
Sponge matrix 1 pair of postoperation wound site that the hemostasis repair materials of this hemorrhoid operation is provided with applies suitable pressure with hemostasis by compression, and can take into account internal hemorrhoid external hemorrhoid wound hemostasis requirement, prevention anus is narrow in early days; The center of sponge matrix 1 is provided with the steam vent that through hole 3 for the benefit of discharges intestinal gas; Meanwhile, the loose structure of sponge matrix 1 can absorb the sepage of wound and surrounding to keep the dry and comfortable environment of wound; The adherent layer 2 covered outward is the derivant of chitosan or sodium alginate or chitosan or alginate or hyaluronic acid or carboxymethyl cellulose or collagen protein, effectively can prevent the adhesion of wound and sponge matrix 1, simultaneously adherent layer 2 can physiological haemostasis, repairs wound.Drastically increase the effect of operation.
This utility model is located at the preferred material one of outer field adherent layer 2 for chitosan, and chitosan film forming face is smooth complete, film surface anti sticking, easily hemostasis repair materials is inserted anal orifice and rete is not easily sticky takes off; After inserting human body environment, imbibition exists with form of hydrogels, be combined with wound and stop blooding, when the repair materials that stops blooding takes out in body and sponge matrix 1 depart from, prevent secondary injury, simultaneously, preferred low-molecular weight chitoglycan has antibacterial action to escherichia coli, wound is also had to the effect of repairing, chitosan is natural biologic material, can natural degradation.
This utility model is located at the preferred material two of outer field adherent layer 2 for sodium alginate, and sodium alginate has good biocompatibility can physiological hemostasis, and sodium alginate water soluble, is easy to film forming, and hydrophilic is large, also can be applicable in hemorrhoid operation.
As this utility model preferred embodiment, the head that sponge matrix 1 comprises a cylindrical body and arranges at cylindrical body top, head is water droplet spheroid or top be truncated cone bottom is semicircle spheroid, and the maximum gauge of head is greater than the radius of cylindrical body.
As this utility model preferred embodiment, the bottom of cylindrical body is provided with the base of a circle or taper, and the diameter of base end face is greater than the diameter of cylindrical body.
As this utility model preferred embodiment, smooth transition is between head and cylindrical body and between cylindrical body and base.
As this utility model preferred embodiment, the shape of sponge matrix 1 is cylinder or Fructus Canarii albi spheroid or two umbilicate greatly " 8 " word rotary body.
Sponge matrix 1 profile is roughly the class cylinder that the centre meeting structoure of the human body is provided with through hole.Design model meets Human Physiology structure, and the physiological make-up of internal hemorrhoid of coincideing and external hemorrhoid position, can stop blooding better, can form good hemostasis and moulding effect after using to wound site.Middle concave moulding can prevent this product from use deviating from body, stays external more roomy part and facilitates doctor to fix, and the through hole 3 that centre is provided with contributes to discharging intestinal gas.
As this utility model preferred embodiment, sponge matrix 1 is PU sponge or PVA sponge or silica gel.
Sponge matrix 1 also can select other elastic matrix and material modified.
The preferred sponge matrix 1 of this utility model is PU sponge, PU sponge has certain mechanical hardness also to have certain elasticity and lightweight, be easy to pass in and out anal orifice, reduce Principle of Pain and place its elasticity rear to wound hemostasis by compression, also make its intermediate throughholes 3 can keep clear in use, smooth aerofluxus simultaneously.Do not expand after the imbibition of PU sponge, effectively prevent to produce after imbibe cannot the pressure of anticipation to the damage again of tissue of patient, have good biocompatibility.
As this utility model preferred embodiment, include chitosan and 2% ~ 5% glycerol of mass fraction 1.5% ~ 2% in the Casting solution of chitosan, the molecular weight of chitosan is 20 ~ 50kDa, and the deacetylation of chitosan is greater than 75%.
As this utility model preferred embodiment, including mass fraction in the Casting solution of sodium alginate is the sodium alginate aqueous solution of 2% and the glycerol of 0.5%.
As this utility model preferred embodiment, adherent layer 2 adopts brushing technique or spray art or dipping technique or pouring technology or electrospinning processes to be attached to sponge matrix 1 outer surface.
As this utility model preferred embodiment, chitosan solution twice film forming, wherein internal layer is high molecular, and skin is low-molecular-weight, and chitosan Casting solution is brushed to PU spongy body outer surface drying at room temperature film forming.
As this utility model preferred embodiment, the length of sponge matrix 1 is 1cm ~ 9cm, diameter range transition between 1cm ~ 10cm of sponge matrix 1, and the diameter of through hole 3 is 0.2cm ~ 1.0cm.
This utility model preferred embodiment one, the preferred material of adherent layer 2 is the processing procedure of chitosan, chitosan Casting solution:
Step one, the pharmaceutical grade height acetyl degree chitosan of purification is dissolved in volume fraction is stir in the acetic acid solution of 1%, regulates PH to 5, add mass fraction be 2% glycerol stir, the mass fraction making concentration is 1.5% ~ 2% Casting solution, standing and defoaming.Chitosan selects relative molecular weight low, preferred molecular weight 20 ~ 50kDa, and deacetylation is greater than 95%;
Step 2, the brushing of chitosan Casting solution, outside PU sponge, are brushed and after drying after drying at room temperature, again until at PU sponge profile uniformly rete;
Step 3, with mass fraction be 1% NaOH in and acetic acid in chitosan film, then use distilled water rinsing to neutral, middle oven drying at low temperature, packs, sterilization.
Chitosan solution can adopt twice film forming, chitosan solution twice film forming of secondary brushing different molecular weight, and wherein internal layer is high molecular, and skin is low-molecular-weight.
This utility model preferred embodiment two, the preferred material of adherent layer 2 is the processing procedure of sodium alginate, sodium alginate film:
Step one, preparation quality mark are the sodium alginate aqueous solution of 2%, add the glycerol of 0.5%, and 60 DEG C of constant temperature stirring and dissolving, vacuum defoamation becomes Casting solution;
Step 2, by Casting solution brushing outside PU sponge, baking oven 50 DEG C of drying and forming-films, pack, sterilization.
The material of the preferred sponge matrix of this utility model 1 and shape: the sponge matrix 1 of internal layer adopts suitable dynamics, the PU sponge of case hardness and compression dynamics is cooked base material, produces with mould foam process.Interstitial hole piercing and shaping die; The cross section at each position is hollow circular, the rete of outer layer covers chitosan; According to the physiological make-up of human body surgery anal canal and the position of mixed hemorrhoids, the head that sponge matrix 1 comprises a cylindrical body and arranges at cylindrical body top, head is water droplet spheroid or top be truncated cone bottom is semicircle spheroid, and the maximum gauge of head is greater than the radius of cylindrical body.The bottom of cylindrical body is provided with the base of a taper, and the basal diameter of base is greater than the diameter of cylindrical body.Smooth transition is between head and cylindrical body and between cylindrical body and base.Moulded for being small at both ends and big in the middle, middle sunk area can be straight transitions, also can be arc transition.This structure meets the physiological make-up that Human Physiology constructs can coincide internal hemorrhoid and external hemorrhoid position, can hemostasis by compression better.Umbilicate moulding is deviate from can preventing this product from using in body.Staying external more roomy part facilitates doctor to fix.The circular cross section diameter range at each position of sponge matrix 1 is at 1cm ~ 4cm, the maximum gauge of the water droplet spheroid at top is 3.5cm, the diameter of the cylindrical body at middle part is 2.8cm, the diameter of bottom surface, bottom is 4.0cm, the diameter of the through hole 3 of the centre of PU sponge is 0.5cm, the length 7cm of whole sponge matrix 1.Above size can set different model to adapt to the size requirement of different patient.PU sponge is as supporter, and skin is attached with chitosan rete or sodium alginate rete.
During use, this product directly fills in patient's anus position with tweezers gripping by doctor.Due to the elasticity of PU sponge and the lubricity of outer shell polysaccharide antiadhesion barrier, very easily in entering patient's anus position, then it is good this product to be stayed the immobilization with adhesive tape of external position.Time in indwelling patient body, adherent layer 2 imbibition of chitosan-containing and wound form gel hemostatic layer, simultaneously the elastic force compressing wound hemostasis of PU sponge.Be used to complete PU sponge matrix when doctor takes out to take out, and the adherent layer 2 of chitosan-containing is incorporated into wound formation protective layer.
This utility model is the hemorrhoid wound filling type hemostasis by compression of customized body postoperation surgery anal canal position and physiological haemostasis material, uses, also can be used for other anuses after hemorrhoids operation, and operation on rectum hemostasis is used.
Certainly, the invention is not limited to above-mentioned embodiment, those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite without prejudice to this utility model spirit, and these equivalent modification or replacement are all included in the application's claim limited range.
Claims (8)
1. the hemostasis repair materials of a hemorrhoid operation, it is characterized in that: the adherent layer (2) comprising sponge matrix (1) and arrange at described sponge matrix (1) outer surface, the center of described sponge matrix (1) is provided with through hole (3), the derivant that described adherent layer (2) is chitosan or sodium alginate or chitosan or alginate or hyaluronic acid or carboxymethyl cellulose or collagen protein.
2. the hemostasis repair materials of hemorrhoid operation according to claim 1, it is characterized in that: the head that described sponge matrix (1) comprises a cylindrical body and arranges at described cylindrical body top, described head is water droplet spheroid or top be truncated cone bottom is semicircle spheroid, and the maximum gauge of described head is greater than the radius of cylindrical body.
3. the hemostasis repair materials of hemorrhoid operation according to claim 2, is characterized in that: the bottom of described cylindrical body is provided with the base of a circular or taper, and the basal diameter of described base is greater than the diameter of cylindrical body.
4. the hemostasis repair materials of hemorrhoid operation according to claim 3, is characterized in that: be smooth transition between described head and cylindrical body and between cylindrical body and base.
5. the hemostasis repair materials of hemorrhoid operation according to claim 1, is characterized in that: the shape of described sponge matrix (1) is cylinder or Fructus Canarii albi spheroid or two umbilicate greatly " 8 " word rotary body.
6. according to the hemostasis repair materials of hemorrhoid operation described in any one in Claims 1 to 5, it is characterized in that: described sponge matrix (1) is PU sponge or PVA sponge or silica gel.
7. the hemostasis repair materials of hemorrhoid operation according to claim 1, is characterized in that: described adherent layer (2) adopts brushing technique or spray art or dipping technique or pouring technology or electrospinning processes to be attached to sponge matrix (1) outer surface.
8. the hemostasis repair materials of hemorrhoid operation according to claim 1, it is characterized in that: the length of described sponge matrix (1) is 1cm ~ 9cm, diameter range transition between 1cm ~ 10cm of sponge matrix (1), the diameter of described through hole (3) is 0.2cm ~ 1.0cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520227388.9U CN204814984U (en) | 2015-04-14 | 2015-04-14 | Hemostasis repair materials of haemorrhoids operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520227388.9U CN204814984U (en) | 2015-04-14 | 2015-04-14 | Hemostasis repair materials of haemorrhoids operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204814984U true CN204814984U (en) | 2015-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520227388.9U Expired - Fee Related CN204814984U (en) | 2015-04-14 | 2015-04-14 | Hemostasis repair materials of haemorrhoids operation |
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| Country | Link |
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| CN (1) | CN204814984U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2558942A (en) * | 2017-01-23 | 2018-07-25 | Roger Deas Alexander | Layered hydrogel surgical dressing |
| CN110840654A (en) * | 2019-10-24 | 2020-02-28 | 江苏省人民医院（南京医科大学第一附属医院） | Dressing special for treating skin damage of body fold part |
| CN116869621A (en) * | 2023-09-06 | 2023-10-13 | 山东百多安医疗器械股份有限公司 | Hemorrhoid ligation device with sectional coating |
-
2015
- 2015-04-14 CN CN201520227388.9U patent/CN204814984U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2558942A (en) * | 2017-01-23 | 2018-07-25 | Roger Deas Alexander | Layered hydrogel surgical dressing |
| CN110840654A (en) * | 2019-10-24 | 2020-02-28 | 江苏省人民医院（南京医科大学第一附属医院） | Dressing special for treating skin damage of body fold part |
| CN116869621A (en) * | 2023-09-06 | 2023-10-13 | 山东百多安医疗器械股份有限公司 | Hemorrhoid ligation device with sectional coating |
| CN116869621B (en) * | 2023-09-06 | 2023-11-10 | 山东百多安医疗器械股份有限公司 | Hemorrhoid ligation device with sectional coating |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20190414 |