CN1357388A - New-type medical bandage - Google Patents
New-type medical bandage Download PDFInfo
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- CN1357388A CN1357388A CN 01123011 CN01123011A CN1357388A CN 1357388 A CN1357388 A CN 1357388A CN 01123011 CN01123011 CN 01123011 CN 01123011 A CN01123011 A CN 01123011A CN 1357388 A CN1357388 A CN 1357388A
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- binder
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- porous plate
- medical bandage
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Abstract
The new-type medical bandage is produced by using polycaprolactone, polyethylene, titanium powder, silane as coupling agent and coloring agent and through material mixing, producing thermoplastic plate, producing porous plate, crosslinking treatment, surface treatment and other processes. When used, it is first set inside hot water for softening until becoming transparent and then dressed to body part to be fixed, reshaped or set plastically before cooling to harden the material. The bandage is light, pervious, waterproof, high in strength and high in toughness; no allergic reaction and may be thermally reshaped for several times and may be degraded biologically.
Description
The present invention relates to a kind of medical material and manufacture method thereof, specifically a kind of novel medical surgery binder and manufacture method thereof.
The material of the binder of medical surgery employing at present has gypsum material, high-molecular organic material etc.Thermosetting foams material such as hard polyurethane foam material and thermoplastic such as polyester etc. are arranged in the high-molecular organic material.The shortcoming of general plaster bandage is that density is bigger, airtight, cracky; Particularly it can not see through the X-line, when the needs of patients that installs plaster bandage carries out the X-optical test, must remove plaster bandage earlier, and is both dangerous, also inconvenient; The plastotype that another significant defective is a plaster bandage is disposable, in case Gypsum Fibrosum solidifies, then possible error promptly can't be corrected in the plastotype, reforms unless remove.Polyurethane rigid foam plastic all is better than traditional gypsum material at density, breathability, X-line through aspects such as abilities, but it can not carry out the softening plastotype of secondary, and technology is complicated when molding, and the heat release during foaming might injure the skin of institute's therapentic part.Common thermoplastic such as polyester etc., the temperature of its plastic type is usually up to more than 100 ℃, and the patient can't stand the operation under the condition like this.A common issue with of current material is, after they go out of use, can cause negative effect to environment, particularly general high-molecular organic material, and its degraded is unusual difficulty often, can cause what is called " white pollution ".Problem at present existence, through a large amount of experiment, the invention provides that a kind of density is little, good permeability, intensity height, X-line permeability are good, do not cause the user skin allergy, increase patient's comfort, repeatedly the thermoplastics type, make things convenient for the doctor operate, be easy to bonding, have shape memory, can reuse, can biodegradable new medical surgical bandage after discarded.
The objective of the invention is to, a kind of New-type medical bandage of development, this binder is made up of polycaprolactone, polyethylene, titanium dioxide, silane coupler, coloring agent, adopts the crosslinking Treatment of raw material blend, the dull and stereotyped manufacturing of thermoplasticity, porous flat plate manufacturing, porous plate, the surface treatment of porous plate and the method that the binder shape is handled to make; In use binder is put into hot water, make it softening, treating that the complete transparent back of bandage material takes out to spread on needs fixing orthopedic or localized body part, carries out the plastotype operation, and cooling is hardened material fully and got final product.This New-type medical bandage have light weight, ventilative water-fast, intensity is high, good toughness, can not produce allergic phenomena, repeatedly thermoplastics type, advantage such as easy to operate and biodegradable to skin.
A kind of New-type medical bandage of the present invention, this binder is made up of polycaprolactone, polyethylene, titanium dioxide, silane coupler, coloring agent, adopts the crosslinking Treatment of raw material blend, the dull and stereotyped manufacturing of thermoplasticity, porous flat plate manufacturing, porous plate, the surface treatment of porous plate and the method that the binder shape is handled to make; Wherein each set of dispense ratio is: percentage by weight
Polycaprolactone 62-99%, polyethylene 0-25%, titanium dioxide 0-10%, silane coupler 0.5-1.5%, coloring agent 0.5-1.5%.
The number-average molecular weight of polycaprolactone is 5000-100000;
The manufacture method of this binder follows these steps to carry out:
A, at first raw material blend mix polycaprolactone, polyethylene, titanium dioxide, silane coupler, coloring agent, with screw extruder extrude, pelletize;
The manufacturing of b, thermoplasticity flat board: the mixture that pelletize is gone out adopts conventional plastic working methods such as extrusion calendaring, injection moulding, compression moulding to make flat board;
The manufacturing of c, porous flat plate: with the dull and stereotyped circular hole of on flat board, going out regular distribution, shape unanimity with perforating device of thermoplasticity;
The crosslinking Treatment of d, porous plate: porous plate placed carry out radiation treatment under the electron radiation source;
The surface treatment of e, porous plate: will evenly scribble medical silica-gel through the porous plate surface of crosslinking Treatment;
F, binder character are handled: the flat board that will scribble medical silica-gel is cut into the physical dimension and the shape that are suitable for the human body fixed position and gets final product.
Crosslinking with radiation method wherein: with the co-60 radiation source medical bandage is carried out radiation, make pla-pcl molecule interchain produce bonding action, thereby form crosslinked network structure.The total radiation dose of crosslinking with radiation is the 0.25-30 Megarad.Method of radiating is for repeatedly cross-linking reaction is finished in radiation or disposable radiation on a small quantity; The porous plate surface evenly scribbles medical silica-gel, and its thickness is 0.01-3.0mm, but but also single spreading of double spread; This binder is shaped as the geometry of rectangle, square and suitable each fixed position of human body; Circular hole is arranged as the arrangement of rhombus, rectangle, square and various geometry meshes.
The using method of a kind of New-type medical bandage of the present invention is: binder is put into 60-70 ℃ hot water, make it softening, after treating that binder is transparent fully, taking-up spreads on required fixing or strong type or localized body part, carry out the plastotype operation, cool to below 43 ℃, binder is hardened fully after, promptly the operation finish.
A kind of New-type medical bandage of the present invention has after tested:
(1) light weight: density of material is 1100kg/m
3About, only be 1/3 of gypsum material density.Binder thickness is 1.0-5.5mm, only is the 1/5-1/10 of plaster bandage.Compare the binder of same size, novel binder weight is about 1/2 of plaster bandage.
(2) ventilative water-fast: binder is a porous flat plate, and good breathability is arranged.The patient uses during the binder, can have a bath, and the binder performance is unaffected.
(3) mechanical property is good: intensity height, good toughness, not cracky, easy fracture not.
(4) X-line permeability is good: do not contain the heavy metal composition, even if used a spot of titanium dioxide, also do not influence the X-line and see through.Use the patient of binder when doing the X-ray examination, not need to remove binder.
(5) do not cause the user skin allergy, can increase simultaneously patient's comfort: the binder surface scribbles the medical organic silica gel of one deck, avoid the stimulation of skin and the anaphylaxis that should rise, increase the thickness of medical silica-gel, make the binder top layer have pliability and elasticity, patient experiences is to the comfort of medical bandage.Simultaneously, reduce because of fixing tension possible to skin damage of binder.
(6) thermoplastics type repeatedly: after binder sclerosis, fixed in shape, can add some position of hot bandage, make it softening, can carry out plastotype once more and operate with hot-air blower (as hair drier).
(7) make things convenient for the doctor to operate: binder can place constant-temperature hot water standby the long period, only needs a people just can all operate.In the plastotype operation, binder is transparent, and the doctor can observe the details of therapentic part.
(8) have shape memory: the binder of unsatisfied binder of plastotype or dismounting, can put into hot water, treat that binder is softening fully after, can return to its original-shape, the linear dimension deviation is less than 10%.
(9) can reuse: because material has shape memory, the binder of dismounting can return to its initial condition, can reuse.
(10) can biodegradation after discarded: the material of main part polycaprolactone that constitutes binder has good biodegradability, adopt the rubbish heap method of burying to handle, in the time of seven days, the tensile elongation of material reduces to 0% by 700%, during fortnight, the hot strength of material is reduced to 3Mpa by 27MPa, in the time of 63 days, existing 15% is converted into the carbon dioxide form sends (sodium benzoate under contrast the same terms is 40%, and polyethylene is 0%).
Embodiment 1 (percentage by weight)
At first raw material blend: with polycaprolactone (number-average molecular weight 5000) 62%, polyethylene 25%, titanium dioxide 10%, silane coupler (commercially available) 1.5%, coloring agent 1.5% (according to required color, select corresponding coloring agent) mix, with screw extruder extrude, pelletize;
The manufacturing of thermoplasticity flat board then: compound particles is adopted conventional plastic working methods such as extrusion calendaring, injection moulding, compression moulding make flat board;
The binder shape is handled: the flat board of making behind the thermoplastic is cut into the physical dimension and the shape that are suitable for the human body fixed position gets final product.
Again binder is put into 60 ℃ hot water, is made it softening, treat that binder is transparent fully after, 70 seconds time, take out and spread on required fixing or strong type or localized body part, carry out the plastotype operation, cool to below 43 ℃, material is hardened fully, i.e. operation is finished.
Embodiment 2 (percentage by weight)
At first raw material blend mixes polycaprolactone (number-average molecular weight 40000) 99%, silane coupler (commercially available) 0.5%, coloring agent 0.5% (according to required color, selecting corresponding coloring agent), and is stand-by;
The manufacturing of thermoplasticity flat board then: mixture is adopted conventional plastic working methods such as extrusion calendaring, injection moulding, compression moulding make flat board;
The manufacturing of porous flat plate: go out the circular hole of regular distribution, shape unanimity with perforating device on flat board with thermoplasticity is dull and stereotyped, circular hole becomes 90 ° of diamond arraies;
The crosslinking Treatment of porous plate: the porous plate of diamond array placed under the electron radiation source handle, total radiation dose is 0.25 Megarad;
The binder shape is handled: the flat board after radiation is cut into the dimensioning that is suitable for the human body fixed position
Again binder is put into 65 ℃ hot water, is made it softening, treat that binder is transparent fully after, 80 seconds time, take out and spread on required fixing or strong type or localized body part, carry out the plastotype operation, cool to below 43 ℃, material is hardened fully, i.e. operation is finished.If plastotype operation is undesirable, hardened binder can be taken off, be reentered in 65 ℃ of hot water and make it transparent fully, binder can recover its original form, 2 minutes time, carries out plastotype operation etc. again and gets final product up to binder is hardened fully.
Embodiment 3 (percentage by weight)
At first raw material blend: with polycaprolactone (number-average molecular weight 100000) 80%, polyethylene 16%, titanium dioxide 2%, silane coupler (commercially available) 1.0%, coloring agent 1.0% (according to required color, select corresponding coloring agent) mix, with screw extruder extrude, pelletize;
The manufacturing of thermoplasticity flat board then: mixture is adopted conventional plastic working methods such as extrusion calendaring, injection moulding, compression moulding make flat board;
The manufacturing of porous flat plate: go out the circular hole of regular distribution, shape unanimity with perforating device on flat board with thermoplastic is dull and stereotyped, circular hole becomes 90 ° of symmetric arrays;
The crosslinking Treatment of porous plate: the porous plate of symmetric arrays placed under the electron radiation source handle, total radiation dose is 25 Megarads;
The surface treatment of porous plate: will evenly scribble medical silica-gel through radiating porous plate surface, its thickness is 0.05mm, is single spreading,
The binder shape is handled: will the flat board after radiation be cut into the physical dimension and the shape that are suitable for the human body fixed position and get final product.
In use, binder is put into 70 ℃ hot water, makes it softening, treat that binder is transparent fully after, take out and spread on required fixing or strong type or localized body part, carry out the plastotype operation, cool to below 43 ℃, binder is hardened fully, i.e. operation is finished.If plastotype operation is undesirable, hardened binder is taken off, put into 70 ℃ of hot water, make it transparent fully, binder recovers its original form, carries out plastotype operation etc. again and gets final product up to binder is hardened fully.
Claims (6)
1, a kind of New-type medical bandage, it is characterized in that this binder is made up of polycaprolactone, polyethylene, titanium dioxide, silane coupler, coloring agent, adopt the crosslinking Treatment of raw material blend, dull and stereotyped manufacturings of thermoplasticity, porous flat plate manufacturing, porous plate, the surface treatment of porous plate and the method for binder shape processing to make; Wherein each set of dispense ratio is: percentage by weight
Polycaprolactone 62-99%, polyethylene 0-25%, titanium dioxide 0-10%, silane coupler 0.5-1.5%, coloring agent 0.5-1.5%.
2, a kind of New-type medical bandage according to claim 1, the number-average molecular weight that it is characterized in that polycaprolactone is 5000-100000.
3, the manufacture method of a kind of New-type medical bandage according to claim 1 is characterized in that following these steps to carrying out:
A, the at first blend of raw material mix polycaprolactone, polyethylene, titanium dioxide, silane coupler, coloring agent, with screw extruder extrude, pelletize;
The manufacturing of b, thermoplasticity flat board: the mixture that pelletize is gone out adopts conventional plastic working methods such as extrusion calendaring, injection moulding, compression moulding to make flat board;
The manufacturing of c, porous flat plate: with the dull and stereotyped hole of on flat board, going out regular uniform distribution, shape unanimity with perforating device of thermoplasticity;
The crosslinking Treatment of d, porous plate: porous plate placed carry out radiation treatment under the electron radiation source;
The surface treatment of e, porous plate: will evenly scribble medical silica-gel through the porous plate surface of crosslinking Treatment;
F, binder shape are handled: the flat board that will scribble medical silica-gel is cut into the physical dimension and the shape that are suitable for the human body fixed position and gets final product.
4, the manufacture method of a kind of New-type medical bandage according to claim 3, it is characterized in that the crosslinking with radiation method: medical bandage is carried out radiation with the co-60 radiation source, make pla-pcl molecule interchain produce bonding action, thereby form crosslinked network structure.The total radiation dose of crosslinking with radiation is the 0.25-30 Megarad.Method of radiating is for repeatedly radiation or disposable radiation can be finished cross-linking reaction on a small quantity;
5, the manufacture method of a kind of New-type medical bandage according to claim 3 is characterized in that the porous plate surface evenly scribbles medical silica-gel, and its thickness is 0.01-3.0mm, and single face is coated with but can two-sidedly be coated with also;
6, the manufacture method of a kind of New-type medical bandage according to claim 3 is characterized in that binder is shaped as the geometry of rectangle, square and suitable each fixed position of human body; Circular hole is arranged as the arrangement of rhombus, rectangle, square and various geometry meshes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01123011 CN1357388A (en) | 2001-07-18 | 2001-07-18 | New-type medical bandage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01123011 CN1357388A (en) | 2001-07-18 | 2001-07-18 | New-type medical bandage |
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| CN1357388A true CN1357388A (en) | 2002-07-10 |
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| CN 01123011 Pending CN1357388A (en) | 2001-07-18 | 2001-07-18 | New-type medical bandage |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100355469C (en) * | 2006-01-10 | 2007-12-19 | 中国人民解放军第二军医大学 | Biological absorptive bundling belt and its shape memory lock buckle |
| CN101062977B (en) * | 2006-04-24 | 2011-03-23 | 广州科莱瑞迪医疗器材有限公司 | Low-temperature thermoplastic material and preparation technique thereof |
| CN102430156A (en) * | 2011-12-05 | 2012-05-02 | 泰山医学院 | Medical external fixation material with shape memory function, and preparation method thereof |
| CN107126308A (en) * | 2017-03-17 | 2017-09-05 | 南京天朗制药有限公司 | Shape memory point toe device and point toe socks and its application method |
| CN108478884A (en) * | 2018-03-30 | 2018-09-04 | 常州大学 | A kind of medical outer fixed multilayer material of shape memory high heat conduction and preparation method thereof |
| WO2019072026A1 (en) * | 2017-10-12 | 2019-04-18 | 武汉市迅舒科技有限公司 | Adjustable external fixing brace |
| CN110356022A (en) * | 2019-07-08 | 2019-10-22 | 广州天泓医疗科技有限公司 | A kind of production method of the fixed film of low warpage low temperature thermosetting resin |
-
2001
- 2001-07-18 CN CN 01123011 patent/CN1357388A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100355469C (en) * | 2006-01-10 | 2007-12-19 | 中国人民解放军第二军医大学 | Biological absorptive bundling belt and its shape memory lock buckle |
| CN101062977B (en) * | 2006-04-24 | 2011-03-23 | 广州科莱瑞迪医疗器材有限公司 | Low-temperature thermoplastic material and preparation technique thereof |
| CN102430156A (en) * | 2011-12-05 | 2012-05-02 | 泰山医学院 | Medical external fixation material with shape memory function, and preparation method thereof |
| CN107126308A (en) * | 2017-03-17 | 2017-09-05 | 南京天朗制药有限公司 | Shape memory point toe device and point toe socks and its application method |
| WO2019072026A1 (en) * | 2017-10-12 | 2019-04-18 | 武汉市迅舒科技有限公司 | Adjustable external fixing brace |
| CN108478884A (en) * | 2018-03-30 | 2018-09-04 | 常州大学 | A kind of medical outer fixed multilayer material of shape memory high heat conduction and preparation method thereof |
| CN108478884B (en) * | 2018-03-30 | 2020-12-11 | 常州大学 | Shape memory high-thermal conductivity medical external fixation multilayer material and preparation method thereof |
| CN110356022A (en) * | 2019-07-08 | 2019-10-22 | 广州天泓医疗科技有限公司 | A kind of production method of the fixed film of low warpage low temperature thermosetting resin |
| CN110356022B (en) * | 2019-07-08 | 2021-01-26 | 广州天泓医疗科技有限公司 | Manufacturing method of low-warpage low-temperature thermoplastic resin fixed film |
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