Methods for obtaining hemostasis of percutaneous wounds

• US 7,087,060 B2
• Filed: 07/19/2002
• Issued: 08/08/2006
• Est. Priority Date: 07/20/2001
• Status: Active Grant

• Current Assignee: Merit Medical Systems, Inc.
• Original Assignee: Trustees Of The University Of Pennsylvania (University of Pennsylvania)
• Inventors: Clark, Timothy W.
• Primary Examiner(s): Jackson, Gary
• Application Number:
  US10/198,161
• Publication Number:
  US 20030028203A1
• Time in Patent Office: 1,481 Days
• Field of Search: 606/232, 606111-113
• US Class Current: 606/111
• CPC Class Codes: A61B 17/0057 Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect sutures A61B17/04; closing rectum or urethra near body surface A61F2/0009
• CPC Class Codes: A61B 17/34 Trocars; Puncturing needles pointed biopsy instruments A61B10/0233; devices for piercing the ear-lobes A44C7/001; seals or hemostasis valves A61M39/06
• CPC Class Codes: A61B 2017/00477 Coupling A61B2017/0046 takes precedence
• CPC Class Codes: A61B 2017/00637 for sealing trocar wounds through abdominal wall
• CPC Class Codes: A61B 2017/00641 for closing fistulae, e.g. anorectal fistulae
• CPC Class Codes: A61B 2017/00663 the implement being a suture
• CPC Class Codes: A61B 2017/0496 for tensioning sutures
• CPC Class Codes: A61B 2017/1142 Purse-string sutures

Abstract

This invention relates to novel methods, kits, and devices for stopping hemorrhaging of percutaneous wounds. The inventive subject matter involves insertion of a purse-string suture around the wound, insertion of the free two ends of the suture through a tension collar, manual tightening of the tension collar until hemostasis is achieved, and application of a suture lock to the free ends of the suture to secure the tension collar and maintain hemostasis. After a sufficient period of time to allow complete hemostasis, the suture lock and the tension collar are loosened; if hemostasis has been achieved, the suture lock, the tension collar, and the suture material are removed. If bleeding continues from the wound, the tension collar is tightened and the suture lock reapplied. This process may be repeated until complete hemostasis is achieved, without the need for additional suturing or manual compression.

Claims

1. A releasable hemostasis device comprising:

(i) a body comprising two hollow shaft portions, each having one or more exterior wall(s) and an internal channel, and a cavity portion located between said shaft portions; and

(ii) a slide-spring lock mechanism within said cavity portion for providing a suture-locking effect within the hemostasis device, said slide-spring lock mechanism having a plunger mounted slidably in a passage for movement relative to said cavity portion along a predetermined axis, and having an end portion which is accessible from the outside of the cavity portion for manually pressing the plunger inwardly along said axis from a gripping position to a released position, said cavity portion having one or more aperture(s) and said plunger having one or more aperture(s) through which one or more suture(s) can extend generally transversely of said axis,

wherein said slide-spring lock mechanism is in sliding engagement with one or more length(s) of suture material, said slide-spring lock mechanism being capable of releasable locking engagement along said length(s) of suture material.

2. The releasable hemostasis device of claim 1, wherein said slide-spring lock mechanism is biased to lock said suture material, and to release said suture material upon application of sufficient force to place said one or more aperture(s) in said cavity portion and said plunger in an essentially coaxial orientation.

3. The releasable hemostasis device of claim 1, wherein said body is integrally formed.