fast artificial heart pump retaining ring
A technology of artificial heart and fixing ring, which is applied to hypodermic injection devices, suction devices, etc., can solve the problems of unrealizable design, and achieve the effects of eliminating interference, reducing pressure, and eliminating voids.
Inactive Publication Date: 2016-05-18
BEIJING UNIV OF TECH
View PDF4 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
The above problems must be solved, but the current existing designs cannot realize
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0013] Below in conjunction with accompanying drawing, the present invention and using method are described in further detail.
[0014] A fast artificial heart pump fixing ring, the main body is the gear ring 2 and the lock ring 3, which are made of non-metallic biocompatible materials. The gear ring 2 and the lock ring 3 are designed in different sizes according to the actual situation, mainly including Φ22, Φ24, Φ26 (mm) and other different inner diameters; there are protruding racks 4 at both ends of the gear ring 2, and the teeth in the rack 4 are serrated teeth that are slow in the front and steep in the rear. The inside of the lock ring 3 is a cavity 5, and the inner wall of the cavity 5 There are tooth grooves 6, the tooth grooves 6 and the rack 4 can be completely matched, and the rack 4 and the tooth grooves 6 are also made of non-metallic biocompatible materials; the inside of the toothed ring 2 and the lock ring 3 are made of flexible non-metallic biocompatible mater...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention discloses an artificial heart pump fixing ring rapid to use and belongs to the field of artificial hearts. The artificial heart pump fixing ring is particularly used for an axial-flow type artificial heart pump and composed of a gear ring and a lock ring, wherein the gear ring and the lock ring are combined into a circular ring. The gear ring is a semi-circular ring. Circular-arc-shaped gear racks are arranged at the two ends of the semi-circular ring respectively and continue to extend out along the circular arc. The gear racks are provided with saw teeth, the front parts of the saw teeth are gentle slopes, and the rear parts of the saw teeth are abrupt slopes. The lock ring is a semi-circular ring, a cavity where the gear racks can be inserted is formed inside the lock ring, and a gear groove is formed in the wall of the cavity and matched with the saw teeth. Blood vessel protection bands are arranged on the inner side arc surface of the gear ring and the inner side arc surface of the lock ring in a laying mode and made of flexible materials. The gear ring and the lock ring are made of flexible biological compatibility materials. The fixing ring can be used for rapidly fixing the artificial heart in an operation, so that the time needed for fixing the artificial heart through suturing in a traditional implanting operation is saved, operation time is shortened, and risks in the operation are reduced. Meanwhile, the fixing ring is safe to use effectively, and blood vessel injury caused by line tying, or suturing or other fixing modes can be avoided.
Description
technical field [0001] The invention belongs to the field of artificial hearts, and in particular relates to a fixing ring of an artificial heart pump in an artificial heart pump implantation operation and an installation method thereof. Background technique [0002] Heart failure (heart failure) is a disease that seriously threatens human health. The most effective treatment for advanced heart failure is heart transplantation and artificial heart assistance. Because heart transplantation is far from meeting the needs of heart failure treatment, the market demand for artificial heart pumps continues to increase, so its market prospect is very good. To use an artificial heart pump, an artificial heart pump implantation procedure is first required. During the implantation process, the artificial heart pump needs to be fixed inside the aortic vessel. The traditional method is to fix the artificial heart pump by suturing or tying the artificial heart pump after the implantation...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): A61M1/12
CPCA61M60/135A61M60/148
Inventor 常宇王得水高斌曾毅
Owner BEIJING UNIV OF TECH