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Extraction basket

A technology of net basket and extraction device, which is applied in the direction of surgical fixation nails, fixators, internal bone synthesis, etc., and can solve the problem of unavoidable movement of the net basket to the far side

Pending Publication Date: 2021-11-30
CR BARD INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In other words, the embodiments of the '622 patent may not prevent distal movement of objects relative to the basket when circumferential or proximal pressure is applied to the basket.

Method used

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  • Extraction basket
  • Extraction basket
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Examples

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Embodiment Construction

[0030] The following describes and illustrates example embodiments according to the present disclosure to cover devices, methods, and techniques related to medical and surgical procedures. Of course, it will be apparent to those of ordinary skill in the art that the embodiments discussed below are examples and can be reconfigured by incorporating features across embodiments without departing from the scope and spirit of the present disclosure. Combining one or more features across embodiments for purposes of clarity is within the scope of the invention, and this disclosure should be read with that intent. It will also be understood that variations of the example embodiments that occur to persons of ordinary skill in the art shall also comprise a part of this disclosure. However, for the sake of clarity and precision, the example embodiments, as discussed below, may include optional steps, methods and features, which those of ordinary skill in the art would recognize would not ...

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Abstract

An example extraction device may include a generally tubular shaft including a distal end configured to be inserted into a patient and a proximal end configured to be retained exteriorly of the patient; a basket extending from the distal end of the shaft, the basket including a plurality of flexible, distally extending legs, the legs including respective distal ends that are biased generally radially outward to at least partially define a basket distal opening; a handle disposed at the proximal end of the shaft; an actuator disposed on the handle; and / or a closure line operatively coupled to the actuator, the closure line extending distally through the shaft, through a closure line guide disposed on the distal end of the shaft, and generally circumferentially about the basket distal opening, the closure line being slidably coupled to each leg near its respective leg distal end.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of U.S. Provisional Application No. 62 / 785,279, filed December 27, 2018, which is incorporated herein by reference. technical field [0003] The present disclosure relates to medical devices and instruments, and more particularly to extraction devices such as may be used to extract objects from within body ducts and / or body receptacles. Background technique [0004] The present disclosure contemplates that small stones in the distal ureter can be reliably and definitively extracted using ureteroscopic basket lithotomy. Currently, a wide variety of ureteroscope baskets are commercially available. Many of these ureteroscope baskets include wires that are slidably mounted in a tubular sleeve that forms the cannula. The distal ends of the wires may have free ends or may be secured to each other and may be expandable when extended outwardly due to the elasticity of the material comprisi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/221A61B17/00A61B17/22A61B17/50A61B17/94
CPCA61B17/221A61B2017/00867A61B2017/2215A61B2017/00862A61B2017/2212
Inventor J·E·富兰克林
Owner CR BARD INC
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