Shandong Branden Medical Device Co., Ltd

Kunshan Yuan

Haijun Zhang

Chao Zhou

Guang Liu

Liming Liu

Cuihai Duan

Wenrui Cao

Yuxia Yin

Shoutao Lu

Wenbo Hou

Rumeng Wang

Shudi Zhi

The present disclosure relates to a medical silicon rubber having high mechanical property and a preparation method thereof. The medical silicon rubber comprises the following raw materials in parts by weight: 50˜90 parts of silicon rubber, 10˜50 parts of polyurethane, 10˜50 parts of fillers, 2˜6 parts of hydrogen-containing silicon oil and 2˜5 parts of a vulcanizing agent. The preparation method comprises: evenly mixing a part of fillers with silicon rubber in an internal mixer, and evenly mixing the other part of fillers with polyurethane in the internal mixer; and mixing the mixed polyurethane on an open type rubber refining machine, then successively adding hydrogen-containing silicon oil, the evenly mixed silicon rubber and the vulcanizing agent into the open type rubber refining machine many times by small portions, and finally vulcanizing the mixed rubber on a plate rubber vulcanizing machine for 5˜15 min at 150˜190° C.

Medical silicon rubber having high mechanical property and preparation method thereof

A blood regurgitation preventing puncture and guidance device without skin dilation is provided. The puncture and guidance device mainly includes a needle tube, a dilation tube, a sheath, and a deceleration and stop device. A hydrophilic ultrasound developing coating is provided on a surface of the sheath to lay a foundation for visual puncture. The sheath and the dilation tube contain X-ray developing particles, and are provided with a transition section.

Blood regurgitation preventing puncture and guidance device without skin dilation

The disclosure provides a medical sealant glue capable of promoting wound healing and a preparation method thereof. The medical sealant glue is formed by covalent cross-linking of two components after being physically mixed by a mixing tool, wherein the first component is a nucleophilic component, and the second component is an electrophilic component. The medical sealant glue has a gelation time of 1-10 s, a swelling ratio of 0-100%, a bursting strength of 100-250 mmHg, and a degradation time of 0.5-300 days. The nucleophilic component of the medical sealant glue contains exosome or hyaluronic acid and chitosan, and thus the medical sealant glue not only has the effect of promoting wound healing, but also has antibacterial and anti-infection effects.

Medical sealant glue capable of promoting wound healing and preparation method thereof

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Shandong, China

Kunshan Yuan