Branch artificial blood vessel bracket applied in surgery

An artificial blood vessel and branching technology, applied in the field of medical equipment, can solve problems such as difficult to accurately stop bleeding, difficult operation, and easy damage to the recurrent laryngeal nerve

Inactive Publication Date: 2009-11-18
陈良万 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the left subclavian artery anastomosis and the distal thoracic aorta anastomosis are deep in position, difficult to operate, and easy to damage the recurrent laryngeal nerve. Once anastomotic bleeding occurs, it is extremely difficult to accurately stop the bleeding

Method used

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  • Branch artificial blood vessel bracket applied in surgery
  • Branch artificial blood vessel bracket applied in surgery

Examples

Experimental program
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Embodiment Construction

[0014] refer to figure 1 and figure 2 , the branch artificial vascular stent used in surgery, including a large stent 1 and a small stent 2 perpendicular to the large stent and sutured to the proximal end, the large stent 1 and the small stent 2 are made of polyester fabric artificial blood vessel 3 and inner The lining is made of memory alloy 4, and the alloy stretches the artificial blood vessel to expand the true lumen of the blood vessel to ensure the circulation of blood. The large bracket 1 is lined with a harder alloy wire 4, while the small bracket 2 is lined with a softer alloy wire.

[0015] A 1cm-long non-alloy wire artificial blood vessel 3 is left at the proximal end of the large stent as a sewing ring 5 to provide suturing with the artery. A hole of 10-12mm is made on the artificial blood vessel 5-7mm proximal to the large stent 1, and the small stent 2. A 5mm-long non-stent polyester fabric vascular suture ring is left at the proximal end, and the suture ring...

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Abstract

The invention relates to a branch artificial blood vessel bracket applied in surgery, which is provided with a terylene fabric blood vessel and a large bracket lined with a harder memory alloy wire; an artificial blood vessel of 1cm long without alloy wires is arranged at the near end and taken as a sewing ring; the branch artificial blood vessel bracket is characterized in that the near end of the large bracket is sewed by a small bracket; and the small bracket consists of the terylene fabric blood vessel and the lined soft memory alloy wire. The branch artificial blood vessel bracket creatively adds a branch bracket used for supporting the true lumen of left subclavian artery so as to keep smooth and complete left subclavian artery and the distal end of thoracic descending aorta, overcome the defects of the current surgery and avoid the coincidence of the left subclavian artery; and the distal end coincident hole is arranged between the innominate artery and the left common carotid artery, thus solving the most difficult point of the technique.

Description

Technical field: [0001] The invention belongs to the field of medical devices, in particular to a branch artificial vascular stent used in surgery for acute aortic dissection for total arch replacement surgery. Background technique: [0002] At present, quadrifurcation artificial blood vessels and descending aortic stents are routinely used to complete the total arch replacement of acute aortic dissection. In this routine operation, the left subclavian artery, left common carotid artery, innominate artery and left Anastomosis of the descending thoracic aorta distal to the subclavian artery. However, the left subclavian artery anastomosis and the distal descending thoracic aorta anastomosis are difficult to operate because of their deep positions, and the recurrent laryngeal nerve is easily damaged. Once anastomotic bleeding occurs, it is extremely difficult to accurately stop the bleeding. The artificial blood vessel stent currently used in the operation is a tubular struct...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/86A61L27/14A61L27/04A61F2/07
Inventor 陈良万戴小福杨国锋
Owner 陈良万
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