Long medical device and manufacturing method thereof

• Main Authors: FUTAMI SOICHI, TAKADA YUSHU, YAMAMOTO SHINPEI
• Format: Patent
• Language: Chinese; English
• Published: 07.06.2024
• Subjects: CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES; DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; HUMAN NECESSITIES; HYGIENE; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES; MEDICAL OR VETERINARY SCIENCE; METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL

Provided is a long medical device in which a hydrogel film is formed by a simpler method. This elongated medical device is provided with a base material and a swelling gel film that covers the base material, and in the elongated medical device, the swelling gel film contains a polymer (a1), and the polymer (a1) contains a polymerization unit having a betaine structure and a polymerization unit having a carboxyl group (excluding the polymerization unit having the betaine structure). 提供一种通过更简便的方法形成水凝胶膜的长条状医疗器械。长条状医疗器械具备基材和覆盖基材的溶胀凝胶膜，在长条状医疗器械中，溶胀凝胶膜包含聚合物(a1)，聚合物(a1)包含具有甜菜碱结构的聚合单元和具有羧基的聚合单元(但是，具有所述甜菜碱结构的聚合单元除外)。