Title:
心臓経中隔器具、アセンブリ、およびその使用方法の改良
Document Type and Number:
Japanese Patent JP7185710
Kind Code:
B2
Abstract:
A needle or stylet has a tip contour with a reverse back bevel curved toward the longitudinal axis of the needle or stylet. The needle has a flexible intermediate portion and/or a two-part construction in which a distal portion of the needle to crimped onto a proximal portion of the needle. The needle or a stylet is combined with a spring mechanism in the hub of the needle or stylet assembly. The spring mechanism positions the tip of the needle or stylet in a middle position extending from the distal end of the assembly, allows the needle or stylet to be moved into a spring loaded fully retracted configuration within the assembly as the septal wall is tented, and then releasing the spring loaded needle or stylet as the needle or stylet penetrates the septal wall. A method of using a needle or stylet with a spring mechanism is included.
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Inventors:
Paul Curse
Andrew Armor
Reed Garrett
William Gallo
Andrew Armor
Reed Garrett
William Gallo
Application Number:
JP2021000887A
Publication Date:
December 07, 2022
Filing Date:
January 06, 2021
Export Citation:
Assignee:
Pressure Products Medical Supplies Inc.
International Classes:
A61B17/34; A61M25/00; A61M25/01; A61M25/06; A61M25/08
Foreign References:
| US20060064062 | ||||
| CN106806977A | ||||
| US20150265777 |
Attorney, Agent or Firm:
Reiko Hase
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