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公开(公告)号：US20220362514A1
公开(公告)日：2022-11-17
申请号：US17620177
申请日：2019-06-25
发明人： Guxi Xiang , Zhiwei Ouyang
IPC分类号： A61M25/00
摘要： A urethral catheter. A cavity is formed at the head end of the urethral catheter, and an internal span of the cavity is greater than that of an opening. A check device (2) located at the front end of a guide core (5) is received in the cavity, and the check device (2) is a guide core (5) that can be retracted into a guide core catheter (4) and can move within the guide core catheter (4). The guide core (5) can expand outward after moving out of the guide core catheter (4). The span of the top of the expanded guide core (5) is greater than the outer diameter of the opening of the cavity at the head end of the urethral catheter. The urethral catheter eliminates a guide extension inserted inside the urethral catheter, and avoids any structural parts provided in the front end of the urethral catheter, and no accessory device is provided at the inner side of the catheter wall of the conventional urethral catheter, so that the internal urination cross-sectional area of the urethral catheter is the same as the area of the inner holes of the urethral catheter, thereby greatly increasing the urine output of the urethral catheter and greatly reducing the injection resistance of a lubricant.
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公开(公告)号：US11969509B2
公开(公告)日：2024-04-30
申请号：US16755034
申请日：2018-08-22
发明人： Guxi Xiang , Zhiwei Ouyang
IPC分类号： A61L15/12 , A61F5/01 , A61F13/00 , A61F13/04 , A61L15/14 , B29B9/06 , B29C45/00 , B29K67/00 , B29K105/16 , B29L31/00
CPC分类号： A61L15/125 , A61F5/0104 , A61F13/048 , A61L15/12 , B29B9/06 , B29C45/0001 , A61F2013/00489 , A61F2013/00553 , A61F2013/00621 , A61L15/14 , A61L2400/16 , B29K2067/00 , B29K2105/16 , B29K2995/006 , B29L2031/753
摘要： A medical fixing brace, wherein at least one surface is provided with a plurality of step holes for mounting snap-fit seats and posts; the thickness of the mesh plate is made thinner at the step holes; and each of the step holes is assembled with some parts of the snap-fit seats and posts. According to the invention, the fixing brace can be used for both the left body and the right body, convenient for the doctor; the product does not absorb water and has no pad structure, so it is quick in drying after bathing, and it is good in comfort for the wearer; any pruritus and dermatitis can be avoided; and the external fixing brace according to the invention can be used for bone support of the upper limb, the neck, the chest, the waist, the lower limb and the like.
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公开(公告)号：US20210187153A1
公开(公告)日：2021-06-24
申请号：US16755034
申请日：2018-08-22
发明人： Guxi Xiang , Zhiwei Ouyang
摘要： A medical fixing brace, which is characterized in that it is a mesh-shaped plate provided with several large ventilation openings and injection molded from a shape memory material. On both the front and rear surfaces of each side of the mesh plate in proximity to the transverse edges, several mounting holes used for connecting an engaging fitting apparatus are provided symmetrically along the plate-shape structure, or several mounting holes for connecting an engaging fitting are provided on at least one surface. The thickness of the mesh-shaped plate are thinned at the mounting holes; and, provided within the mounting holes are some parts for mounting the engaging fitting apparatus. The fixing brace has no coating layer, allows with the large hole structure thereof the direct viewing of condition changes, and prevents the occurrence of post-traumatic complications; clamping tightness can be adjusted throughout a treatment, compression on soft tissues is maintained, and fixing effects are great; the fixing brace can be used on either the left or right, operation is simple for a physician. The material used for the fixing brace is nonabsorbent and has no padding structure, dries quickly after shower, provides great comfort, prevents the occurrence of itchiness and dermatitis. This is applicable in externally fixing body parts such as the upper limb, the neck, the chest, the waist, and the lower limb.
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