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Driving handle and conveying system for conveying implant

A technology for driving handles and implants, which is applied in the field of medical devices, can solve the problems of difficulty in controlling the speed and position of valve implantation, the inability to adjust the speed of advancing and retreating of the sheath, and low operation efficiency, so as to shorten the operation time , to ensure the success rate and reduce the difficulty of surgery

Pending Publication Date: 2020-06-02
SHANGHAI MICROPORT CARDIOFLOW MEDTECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the traditional handle cannot adjust the speed of advancing and retreating of the sheath when releasing and recovering the valve, making it difficult for the operator to control the implantation speed and position of the valve, resulting in large positioning errors and low surgical efficiency

Method used

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  • Driving handle and conveying system for conveying implant
  • Driving handle and conveying system for conveying implant
  • Driving handle and conveying system for conveying implant

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Embodiment Construction

[0046] In order to make the purpose, advantages and features of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. It should be noted that the drawings are all in simplified form and not drawn to scale, and are only used to facilitate and clearly assist the purpose of illustrating the embodiments of the present invention. As used in this specification and the appended claims, the singular forms "a," "an," and "the" include plural referents unless the content clearly dictates otherwise. As used in this specification and the appended claims, the term "or" is generally employed in its sense including "and / or" unless the content clearly dictates otherwise. The terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined a...

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Abstract

The invention provides a driving handle and a conveying system for conveying an implant. The driving handle can drive an outer tube which is used for conveying the implant to perform variable motion,namely, the handle controls motion of the outer tube at different speeds according to requirements of actual operation, thereby improving operation efficiency and reducing operation difficulty. The driving handle specifically comprises a hand-held sleeve, a fixed sleeve, a first driving mechanism, a second driving mechanism and a transmission mechanism; at least one part of the fixed sleeve movably penetrates through the hand-held sleeve; the first driving mechanism, the second driving mechanism and the transmission mechanism are all movably arranged on the hand-held sleeve; the first drivingmechanism is connected with the fixed sleeve, and is configured to directly drive the fixed sleeve to move along the axis of the driving handle at a first speed under action of external force; the second driving mechanism is configured to push the transmission mechanism under action of external force; and the transmission mechanism drives the first driving mechanism and the fixed sleeve to synchronously move along the axis of the driving handle at a second speed, wherein the second speed is not equal to the first speed.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a driving handle and a delivery system for delivering implants. Background technique [0002] With the development of social economy and the aging of the population, the incidence of valvular heart disease has increased significantly. Studies have shown that the incidence of valvular heart disease in the elderly population over 75 years old is as high as 13.3%. At present, traditional surgical treatment is still the first choice for patients with severe valvular disease, but for patients who are elderly, complicated with multiple organ diseases, have a history of thoracotomy, and have poor heart function, the risk of traditional surgery is high and death The rate is high, and some patients do not even have the chance of surgery. [0003] Transcatheter heart valve surgery has the advantages of no need for thoracotomy, less trauma, and faster recovery of patients, and has ...

Claims

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Application Information

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IPC IPC(8): A61F2/24
CPCA61F2/2418A61F2/2466A61B17/00A61F2/00A61F2/24
Inventor 刘祥刘世红程小明赵婧陈国明李雨
Owner SHANGHAI MICROPORT CARDIOFLOW MEDTECH CO LTD
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