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Anastomosis cannula for establishing rat inferior vena cava replacement model

A technology for replacing the model and the vena cava, which is applied in veterinary surgery, veterinary instruments, medical science, etc., can solve the problems of insufficient clamping effect, affect the fixing effect, lack of elastic structure, etc., achieve reasonable and reliable structure, and improve the deformation amount. , the effect of easy compression

Active Publication Date: 2021-06-22
产学研共同体(山东)科技成果转化有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Further, in order to solve the problems in the prior art: when clamping, there is a lack of elastic structure, it is difficult to provide sufficient clamping force for the downward clamping, and the clamping effect may be insufficient, which affects the fixing effect

Method used

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  • Anastomosis cannula for establishing rat inferior vena cava replacement model
  • Anastomosis cannula for establishing rat inferior vena cava replacement model
  • Anastomosis cannula for establishing rat inferior vena cava replacement model

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Embodiment Construction

[0030] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is an embodiment of a part of the application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

[0031] It should be noted that the terms "first" and "second" in the specification and claims of the present application and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific order or sequence. It should be understood that the data so used may be interchanged under appropriate circumstances for ...

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Abstract

The invention discloses an anastomosis cannula for establishing a rat inferior vena cava replacement model. The anastomosis cannula comprises a first silica gel hose, a second silica gel hose, a wrapping outer pipe, a spiral soft wire, a guide positioning wire, a guide hole, a fixed strip, a pressure spring, a movable strip, a fixed ring, a fixed strip frame, a connecting block, a threaded rod, a knob disc, a connecting sleeve, a connecting soft rope, a movable through groove, an inclined rod, a pressing strip, a mounting screw, a soft ring, a positioning sleeve, a pull rope, a first bearing, a lantern ring, a concave hole, a second bearing, a spiral spring and a bolt. The nut comprises a nut base, a strip-shaped cavity, a silica gel protrusion, a deformation inner cavity and a hinge shaft. The anastomosis cannula has the advantages that the anastomosis cannula serves as a limiting and supporting assembly of the donor vein, the donor vein section is turned outwards and reversely folded to the cannula, the supporting and fixing effects are achieved, blood vessels at the two broken ends of a donor and a receptor can be well combined, the operation time is greatly shortened, postoperative bleeding and anastomotic stoma stenosis are reduced, and the operation success rate and the model stability are improved.

Description

technical field [0001] The invention relates to an anastomotic sleeve, in particular to an anastomotic sleeve for establishing a rat inferior vena cava replacement model, and belongs to the application technical field of the rat inferior vena cava replacement model. Background technique [0002] Anastomotic sleeve is a connecting sleeve used for venous anastomosis. Its function is to connect venous blood vessels. It is connected with an anastomat. In medicine, anastomosis refers to the process of connecting two fractured surfaces of an organ. The application of the method is obvious. The microsurgical vascular anastomosis sleeve anastomoses blood vessels. When anastomosing blood vessels, the blood vessel is inserted into the inner cavity of the sleeve through the longitudinal gap on the surface of the sleeve, and the wall of the broken end of the blood vessel is turned over and placed outside the end of the sleeve, and then the other end of the blood vessel is placed on the o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61D1/00
CPCA61D1/00
Inventor 任章勇吕少诚贺强
Owner 产学研共同体(山东)科技成果转化有限公司
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