Artery stent conveying system
A delivery system and arterial technology, which is applied in the field of stent-assisted installation equipment, can solve problems such as difficulties in the release of arterial stents, and achieve the effects of avoiding thrombus, reducing requirements, and smooth delivery and installation
Inactive Publication Date: 2021-08-20
成都百瑞恒通医疗科技有限公司
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Problems solved by technology
[0005] For the above-mentioned prior art, the present invention provides an arterial stent delivery system to solve the difficult problem of arterial stent release
Method used
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[0028] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0029] In the embodiment of the present invention, such as Figure 1~5 As shown, an arterial stent delivery system is provided. The arterial delivery stent in the present invention comprises a stent pushing rod 1 and a stent fixing layer 2. Among them, the stent push rod 1 is made of soft materials such as nylon, and its shape can be changed freely under the action of the force of the blood vessel wall; A bracket fixing area 4 is provided, and one end of the bracket pushing rod 1 where the bracket fixing area 4 is set has a pointed cone shape. Such as figure 2 As shown, the rod wall of the support push rod 1 is provided with a pull channel 5, the pull channel 5 one end opening is located at the edge of the bracket fixing area 4, and the other end opening is located at the end of the handle 3 provided with the push rod 1. The stent fix...
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The invention discloses an artery stent conveying system. The artery stent conveying system comprises a stent pushing rod and a stent fixing layer; the stent pushing rod is hollow, an operating handle is arranged at one end of the stent pushing rod, a stent fixing area is arranged at the other end of the stent pushing rod, a through hole communicating with the pushing rod is formed in a rod body of the stent pushing rod, and the through hole is located in the edge of the stent fixing area; the stent fixing layer movably sleeves the stent fixing area, and an artery stent to be released is placed between the stent fixing layer and the stent fixing area; the stent fixing layer is formed by weaving silk threads in a knitted structure, and the tail end of the stent fixing layer penetrates into the through hole and penetrates out of the operating handle. The artery stent conveying system is different from an existing conveying device in structure, the requirement for a stent release channel is lowered, a 4F or 5F guide catheter can be used as an operation channel, no particle foreign matter is generated in the stent release process, and vascular thrombosis is prevented. In addition, the purposes of rapid release and accurate release of the stent can be achieved.
Description
technical field [0001] The invention relates to an auxiliary installation device for a stent, in particular to an arterial stent delivery system. Background technique [0002] Stroke is a disease with high morbidity, disability, and mortality. It is divided into hemorrhagic stroke and ischemic stroke. Ischemic stroke accounts for up to 80%. 20% to 30% of ischemic strokes are caused by carotid artery stenosis. The main treatment for carotid artery stenosis is carotid artery stenting. [0003] The main surgical procedure is: puncture the right femoral artery under local anesthesia, place an 8F arterial sheath, guide the guide wire through the carotid atherosclerotic stenosis for angiography, clarify the location and degree of stenosis, and select the appropriate autosclerosis individually. Expandable stent. Place the brain protection device at the distal end of the carotid artery stenosis to prevent exfoliated plaque from entering the cerebral blood vessel, send a balloon t...
Claims
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CPCA61F2/95
Inventor 徐兰馨
Owner 成都百瑞恒通医疗科技有限公司