Medical fixation device

FIELD: medicine, pharmaceutics.

SUBSTANCE: invention refers to chemical-pharmaceutical industry and medical equipment and may be used in preparing multifunctional biological active structures for the fixation of dressings and objects. The fixation device consists of a paper carrier made of cellulose and viscous fibres impregnated with a special preparation, dried; with its one side of the prepared carrier coated with an adhesive and with its other side coated with a primer and an adhesive.

EFFECT: improved drape effect, enhancement, easier and faster usage.

6 cl, 1 tbl, 2 ex

 

The invention relates to the chemical and pharmaceutical industries and can be used in the manufacture of multifunctional bioactive structures for fixing dressing devices and objects.

Higher technical indicators suggest means when using it compared to known Standards and THE similar in purpose means are achieved by the fact that medical use of the fixing means of a base paper weighing 25-40 g/m2containing cellulose and viscose fibers and acrylic component Acronal S537S in the number of 12-15 g/m2basics, where on one side the basics done first layer of primer coating weight of 3-4 g/m2and a second layer of acrylic adhesive coating weight 25-35 g/m2on the opposite side of the applied adhesive coating weight of 5-6 g/m2basics. The basis contains cellulose and viscose fibers with an equal number of them, the acrylic component is injected into the base paper by impregnation of 10%Acronal latex S537S and drying, the primer coating is produced by applying on a base paper 15%Acronal latex S537S added in include nanocellulose in the amount of 0.5% (based on solids of the latex and thickener in the form of Na-carboxymethylcellulose "Blanose 7H9C2" and its drying, the adhesive coating floor is given by the application of a primer coating of a mixture of acrylic emulsions AK-256 and Rosina in their mass ratio of 70:30 with added ammonia and thickener "Collacral VAL" and its drying, and antiadhesive coating is produced by applying on the basis of the fluoropolymer latex "Elavtor 7000" added the thickener in the form of Na-carboxymethylcellulose "Blanose 7H9C2" and its drying.

Paper, containing in its composition viscose fiber, has good drape and, accordingly, a high degree of adhesion means to the skin.

Add nanocellulose in acrylic latex Acronal S537S improves the rheological characteristics and, consequently, improves the quality of the primer with a small mass.

The tool is made as follows. On the paper machine to prepare a paper base containing equal amounts of cellulose and viscose fibers. Prepared acrylic emulsion with specified concentrations and compositions for impregnation basis, applying primer and adhesive layers, the composition for a release layer.

On a special machine in a continuous mode, a paper base impregnated with latex Acronal S537S with a concentration of 10% in terms of dry substance, given its expense and at a temperature of 125-140C dried it. Then on one side of the applied primer coating by applying a specified number of Acronal latex S537S with a concentration of 15% plus the include nanocellulose in the amount of 0.5% (based on solids of the latex and zagustitel the m in the form of Na-CMC brand "Blanose 7H9C2" and the paper is dried at a temperature of 125-140C. Then on the back put the antiadhesive coating by applying a specified number of latex PTFE-based "Elavtor 7000" added the thickener in the form of Na-CMC brand "Blanose 7H9C2 and dried paper at a temperature of 125-140C. In a subsequent operation on the side with a primer coating is applied release coating by applying a given amount of the mixture of acrylic emulsions AK-256 and Rosina in their mass ratio of 70:30 with added ammonia and thickener "Collacral VAL", the paper is dried at a temperature of 100-110C. Receive the finished product in the form of a roll. It serves for cutting with the receiving coils of a given width and length of the tape in each roll.

Example 1. Of a mixture of equal amounts of cellulose and viscose fibers cast a paper basis weight of 25 g/m2. It is impregnated with 10%Acronal latex S537S when the flow rate of dry matter 12 g/m2basis, dried at 125C to constant weight. Then on one side processed basis to obtain a primer coating is applied Acronal latex S537S added in include nanocellulose and thickener in its consumption of dry matter 3 g/m2, dry basis and on the other side, apply the emulsion composition "Elavtor 7000 when the flow rate of 6 g/m2on the dry substance, again dried paper at 140C and receive ant the adhesive coating. Then onto the paper side of the primer applied adhesive coating weight of 25 g/m2the paper is dried at a temperature of 100C and receive the finished product.

Example 2. Unlike example 1, take a paper basis weight of 40 g/m2soaks her Acronal latex S537S when the flow rate of 15 g/m2based dried at 140C, applied primer coating weight of 4 g/m2, it is dried at 140C, on the other side of the framework is applied release coating weight of 5 g/m2, it is dried at 125C, is applied from the side of the primer coating adhesive coating weight of 35 g/m2, it is dried at 110C and receive the finished product.

Samples of the locking means are experiencing in accordance with state Standards.

The table shows the results of the tests.

The proposed locking tool can be used to close surgical wounds, minor cuts, abrasions and other household RAS, fixation bandages, needles, catheters, drainage tubes, etc.

Consumers offer funds may be health care, service, Ministry of emergency situations and civil defence, population.

Physico-chemical characteristics of the obtained material
The quality metric of the received material Example 1Example 2Values on state Standards and specifications
1. The weight of the adhesive layer with an area of 1 m2g2535-
2. The resistance to peeling of the adhesive layer of material from a metal, N/m, on THE other 9393-196-00281022190,0of 225.6175-225
3. The resistance to peeling of the adhesive layer of the material from the back side, N/m, on THE other 9393-196-00281022-200192,0120,025-150
4. The resistance to peeling of the adhesive layer from intact skin, N/m, R 53498-200974,5110,350-200
5. Water vapor permeability, mg/cm h, R 53498-20095,9a 3.9At least 1.5
6. Elongation, %, GOST 13525.1:
- in the machine direction8,9 8,1-
in the transverse direction13,513,0-

1. Medical the locking means of the base paper weighing 25-40 g/m2containing cellulose and viscose fibers and acrylic component Acronal S537S in the number of 12-15 g/m2basics, where on one side the basics done first layer of primer coating weight of 3-4 g/m2and a second layer of acrylic adhesive coating weight 25-35 g/m2on the opposite side of the applied adhesive coating weight of 5-6 g/m2basis.

2. The tool according to claim 1, characterized in that the core contains cellulose and viscose fibers with an equal number of them.

3. The tool according to claim 1, wherein the acrylic component is injected into the base paper by impregnation of 10%Acronal latex S537S and drying.

4. The tool according to claim 1, characterized in that the primer coating is produced by applying on a base paper 15%Acronal latex S537S added in include nanocellulose in the amount of 0.5% (based on solids of the latex and thickener in the form of Na-carboxymethylcellulose "Blanose 7H9C2" and its drying.

5. The tool according to claim 1, characterized in that the adhesive coating are applied on the primer coating mixture is Kirilovich emulsions AK-256 and Rosina in their mass ratio of 70:30 with added ammonia and thickener "Collacral VAL" and its drying.

6. The tool according to claim 1, characterized in that the anti-adhesive coating is produced by applying on the basis of the fluoropolymer latex "Elavtor 7000" added the thickener in the form of Na-carboxymethylcellulose "Blanose 7H9C2" and its drying.



 

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1 tbl, 10 ex

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