Tissue tract lancet

Patent metadata

Field	Value
Publication number	US-9808278-B2
Application number	US-18154905-A
Country	US
Kind code	B2
Filing date	Jul 14, 2005
Priority date	Jul 15, 2004
Publication date	Nov 7, 2017
Grant date	Nov 7, 2017

Abstract

The present disclosure is a method and apparatus to prepare a tissue tract having a handle member with a centerline, and a scalpel member fixedly attached to the handle member having a blunt tip, wherein the handle member has a first side positioned at a first positive angle relative to the centerline, and a second side opposite the first side positioned at a second positive angle relative to the centerline.

First claim

What is claimed is:

1. An apparatus to prepare a tissue tract, comprising:
a proximal handle portion comprising a generally planar first section positioned opposite to a generally planar second section along a center line;
a distal scalpel blade portion extending from the handle and fixedly attached thereto, the scalpel blade being non-coplanar with the first and second sections of the handle, the scalpel blade being divided by the center line into first and second sides, the first and second sides joined by a blunt tip; and
wherein the scalpel blade further includes a first side apex disposed on the first side and a second side apex disposed on the second side opposite to the first side apex relative to the center line, and the first and second side apices are sharp and located distal of the handle.

2. The apparatus of claim 1 , wherein the scalpel blade includes forward and rearward facing cutting surfaces laterally flanking each apex.

3. An apparatus for preparing a tissue tract, comprising:
a guide member;
a tissue tract lancet mounted over the guide member, the tissue tract lancet including a proximal handle portion and distal scalpel blade portion extending from the handle and fixedly attached thereto; and
wherein the scalpel blade further includes a blunt tip, a first side apex and a second side apex opposite to the first side apex relative to a center line disposed along the handle, and the first and second side apices are sharp.

4. The apparatus of claim 3 , wherein forward and rearward facing cutting surfaces laterally flank the first and second side apices.

5. An apparatus for preparing a tissue tract, comprising:
a guide member;
a tissue tract lancet including:
a proximal handle portion disposed along a center line including a first generally planar section positioned opposite a second generally planar section along the center line;
a distal scalpel blade portion fixedly attached to and extending from the handle along the center line including a first side, a second side, a first side apex disposed on the first side, and a second side apex disposed on the second side; and
at least one guide tab;

wherein the guide member is inserted into the at least one guide tab;
wherein the first side of the scalpel blade is positioned opposite the second side of the scalpel blade relative to the center line;
wherein the first side apex is positioned opposite to the second side apex relative to the center line;
wherein the first and second sides of the scalpel blade further include forward and rearward facing cutting surfaces laterally flanking each apex, and the first and second sides of the scalpel blade are non-coplanar with the first and second generally planar sections of the handle;
wherein the forward facing cutting surfaces are joined by a blunt tip.

6. The apparatus of claim 5 , wherein the first and second sides of the scalpel blade are coplanar.

Assignees

• Ashby Mark
• Sing Eduardo Chi
• Boston Scient Scimed Inc

Inventors

• Ashby Mark
• Sing Eduardo Chi

Classifications

• A61B2017/320052

  Guides for cutting instruments · CPC title

• A61B17/3211

  Surgical scalpels, knives; Accessories therefor · CPC title

• A61B17/32093 Primary

  for skin incisions · CPC title

• A61B2017/320044

  Blunt dissectors · CPC title

• A61B17/3415

  for introducing tubes or catheters, e.g. gastrostomy tubes, drain catheters (A61B17/3417 takes precedence; body piercing catheter guide needles A61M25/06) · CPC title