IP Library › Granted Patent US 7,166,112
Granted Patent B2
US 7,166,112 · App. 10/108,163 · Granted Jan 23, 2007

Device for determining distance between two points in a surgical site

Assignee: Depuy Spine, Inc.
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Quick Facts
Patent No.
US 7,166,112
App. No.
10/108,163
Granted
Jan 23, 2007
Kind
B2
Abstract

A device for use by a surgeon to determine the distance between two points within a surgical site, the device having a gripper retractably and flexibly connected to a body by a retractor having a proximal spring portion and a distal portion comprising a cable.

Claims (11)

1. A method of determining distance between two sites in a surgical wound, comprising;

a) providing a measuring device comprising a device for measuring two points comprising:

i) a hollow tubular body having a proximal portion and a distal portion, and a longitudinal bore defining a first opening in the distal portion,

ii) retraction means having a proximal spring portion and a distal portion comprising a cable, the proximal spring portion being longitudinally disposed within the longitudinal bore and fixed to the proximal end portion of the hollow tubular body, and the distal portion extending through the first opening of the hollow tubular body, and

iii) gripping means having a proximal portion and a distal portion, comprising a hook portion, the proximal portion of the gripping means being attached to the distal end portion of the retraction means,

b) locating the device at a first site within the surgical wound,

c) moving either the first opening or the gripping means to a second site within the surgical wound while maintaining either the first opening or the gripping means at the first site, and

d) viewing a measuring scale.

2. The method of claim 1 wherein the gripping means is moved to a second site while the first opening is maintained at the first site.

3. The method of claim 1 wherein the first opening is moved to a second site while the gripping means is maintained at the first site.

4. The method of claim 1 wherein the gripping means grips a first connector rod with the hook portion of the gripping means.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 22, 2005
From: HAWKINS, JOHN RILEY; MCCREA, CONOR RUSSELL; RAMSAY, CHRISTOPHER LAWRENCE
To: DEPUY SPINE, INC.
Reel/Frame 016144/0010 →
Continuity (1)
Related Publication 20030181920A1 · Sep 25, 2003