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What is Simulated Skin? As the name suggests, it is a product made that simulates the thickness and hardness of human skin, and is mainly used to test the physical properties
of the piercing force/puncture force of medical needles.
Medical needles generally refer to injection needles, indwelling needles, acupuncture needles, blood collection needles and other medical devices, when testing their puncture force / puncture force, usually use a puncture force tester and simulated skin, injection needles in accordance with the specified speed, vertically by simulating the maximum peak force of the skin, to evaluate the puncture force
of the injection needle.
So what kind of simulated skin to use? ——To comply with GB15811 standard provisions (1) simulated skin materials to be non-toxic and harmless polyurethane film, PU film is a polyurethane film, is a non-toxic and harmless environmental protection material, no harm to human skin, and widely used in clothing fabrics, medical and health, leather and other fields
.
(2) The standard stipulates that the thickness of the simulated skin is 0.
35 mm ± 0.
05 mm, although the thickness of the human skin varies from person to person, and each part is also different, so choose a suitable thickness for puncture
.
(3) The hardness of the simulated skin should meet the Shore hardness A (85 ± 10), the Shore hardness A, the hardness value determined by the Shore hardness tester, which is mainly used to measure soft rubber (such as simulated skin).
The measurement principle is to press the blunt needle of the Shore hardness tester on the surface of the specimen with external force, and indicate the level of rubber hardness according to the depth of the blunt needle pressing
.
(4) The standard also stipulates the exposed area, which is equal to 10mm
after reinforcement.
How do I buy a simulated skin? (1) Directly purchase, select the major medical equipment supervision bureaus in the country to use the product
.
(2) If you want to buy a piercing force tester, then the production of a puncture tester can be given away with simulated skin
.
