A kind of preparation method of annular elastic ring of medical ligation device
A technology for elastic rings and ligation devices, which is applied in the field of preparation of annular elastic rings for medical ligation devices, can solve problems such as easy inflammation and pain, poor compatibility with human tissue, and general anti-wet skid performance, and achieve good pro- Effect of water properties and anti-wet skid properties, good medical prospects, excellent mechanical properties
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0037] The preparation method of the medical ligation device annular elastic ring of the present embodiment is as follows:
[0038] (1) Weigh 100 parts of Malaysian tobacco sheet glue, 2.0 parts of medical stearic acid, 5.0 parts of medical zinc oxide, 2.0 parts of accelerator TMTD, 2.0 parts of anti-aging agent 264, 0.5 parts of medical paraffin, 3.0 parts of glycerin, medical 10.0 parts of gas-phase hydrophilic white carbon black, 0.8% of titanate coupling agent 105, 1.0 parts of medical PPO, and 2.0 parts of sulfur.
[0039] (2) Carry out plasticizing completely to the Malaysian smoked sheet rubber;
[0040] (3) Add medical stearic acid, medical zinc oxide and medical paraffin to the product obtained in step (2), and knead evenly;
[0041] (4) Add medical PPO and glycerin to the product of step (3), and mix evenly;
[0042] (5) Add titanate coupling agent 105 to the product obtained in step (4), and knead evenly;
[0043] (6) Add medical gas-phase hydrophilic white carbo...
Embodiment 2
[0053] The preparation method of the medical ligation device annular elastic ring of the present embodiment is as follows:
[0054] (1) Weigh 100 parts of quasi-rubber No. 5 rubber, 3.0 parts of medical stearic acid, 6.0 parts of medical zinc oxide, 1.0 parts of accelerator TMTM, 3.0 parts of anti-aging agent RD, 0.5 parts of medical paraffin, and 5.0 parts of glycerin , 30 parts of medical vapor phase hydrophobic white carbon black, coupling agent Si69 1.5%, 2.0 parts of medical PEG, 1.5 parts of sulfur.
[0055] (2) Carry out mastication completely to standard rubber No. 5 natural rubber raw rubber;
[0056] (3) Add medical stearic acid, medical zinc oxide and medical paraffin to the product obtained in step (2), and knead evenly;
[0057] (4) Add medical PEG and glycerol to the product obtained in step (3), and mix evenly;
[0058] (5) Add coupling agent Si 69 to the product obtained in step (4), and mix evenly;
[0059] (6) Add medical vapor-phase hydrophobic white carb...
Embodiment 3
[0069] The preparation method of the annular elastic ring of the medical ligation device of this embodiment is the same as that of Embodiment 1 except for the formula.
[0070] The formula of the medical ligation device annular elastic ring of the present embodiment is as follows: 100 parts of first-grade thin white crepe film, 2.0 parts of medical stearic acid, 5.0 parts of medical zinc oxide, 1.5 parts of accelerator TETD, 4.0 parts of anti-aging agent MB, medical 0.5 parts of paraffin, 3.0 parts of glycerin, 15 parts of medical precipitated white carbon black, 3.0 parts of medical PVA, and 2.0 parts of sulfur.
[0071] The test results of the annular elastic ring of the medical ligation device prepared in this embodiment are shown in Table 3.
[0072] table 3
[0073] Test items unit value Tensile Strength MPa 30 elongation at break ％ 840 hardness Shore A 55 permanent deformation ％ 8 Contact angle ° 53
PUM
| Property | Measurement | Unit |
|---|---|---|
| elongation at break | aaaaa | aaaaa |
| elongation at break | aaaaa | aaaaa |
| elongation at break | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
Login to View More