Combination medical device

Patent metadata

Field	Value
Publication number	US-2016199082-A1
Application number	US-201514593546-A
Country	US
Kind code	A1
Filing date	Jan 9, 2015
Priority date	Jan 9, 2015
Publication date	Jul 14, 2016
Grant date	—

Abstract

A combination medical includes a first arm and a second arm interconnected to the first arm. The first arm and the second arm are biased towards each other by a closing force. A biasing member is disposed between the first arm and the second arm. The biasing member has a first position that biases the first arm and the second arm away from each other against the closing force and a second position that does not oppose the closing force. The combination medical device may be an electrosurgical device with a mono-polar and bi-polar configuration.

First claim

1 . A device comprising:
a first arm; a second arm interconnected to the first arm, wherein the first arm and the second arm are biased towards each other by a closing force; a biasing member disposed between the first arm and the second arm, wherein the biasing member has a first position that biases the first arm and the second arm away from each other against the closing force and a second position that does not oppose the closing force.

2 . The device of claim 1 wherein the biasing member includes a first connector pivotally connected to the first arm and a second connector pivotally connected to the second arm, and wherein the first connector is pivotally connected to the second connector.

3 . The device of claim 2 wherein the first connector has a first surface, the second connector has a second surface, and the first surface contacts the second surface when the biasing member is in the first position.

4 . The device of claim 3 wherein the first arm has a first distal end and a first proximate end, the second arm has a second distal end and a second proximate end, and the first proximate end is interconnected to the second proximate end to bias the first distal end and the second distal end towards one another.

5 . The device of claim 4 wherein the first connector is connected to the second connector at a pivot point.

6 . The device of claim 5 wherein the pivot point remains on a plane defined by the first arm and the second arm when the biasing member is in the first position and the second position and the pivot point is closer to the first and second proximate ends when in the first position than when in the second position.

7 . The device of claim 5 wherein the pivot point remains on a plane defined by the first arm and the second arm when the biasing member is in the first position and the second position and the pivot point is closer to the first and second distal ends when in the first position than when in the second position.

8 . The device of claim 5 further comprising a blade connected at the pivot point, wherein the blade is extended past the first and second distal ends when the biasing member is in the second position and wherein the blade does is not extended past the first and second distal ends when the biasing member is in the first position.

9 . The device of claim 5 wherein the pivot point is not on a plane defined by the first arm and the second arm when the biasing member is in at least one of the first position and the second position.

10 . The device of claim 2 wherein the first arm and the second arm are resilient and the first connector and the second connector are rigid.

11 . The device of claim 2 wherein the first arm and the second arm are rigid and the first connector and the second connector are resilient.

12 . The device of claim 2 wherein at least one of the first arm, the second arm, the first connector, and the second connector are resilient.

13 . A forceps comprising:
a first arm; a second arm interconnected to the first arm, wherein the first arm and the second arm have an open position and a closed position, and a closing force biases the first and second arms to the closed position; a first connector pivotally connected to the first arm; and a second connector pivotally connected to the second arm and pivotally connected to the first connector at a center pivot point, and wherein the center pivot point is moveable between a first position and a second position, and wherein a first force exerted on the first arm and the second arm by the first connector and the second connector is greater than the closing force when the center pivot point is in the first position and a second force exerted on the first arm and the second arm by the first connector and the second connector is less than the closing force when the center pivot point is in the second position.

14 . The forceps of claim 13 wherein the first connector is pivotally connected to the first arm by a pin connection.

15 . The forceps of claim 13 wherein the first connector is pivotally connected to the first arm at a reduced cross-sectional area of the first connector.

16 . The forceps of claim 13 wherein the first connector and the second connector are pivotally connected to each other at the center pivot point by a pin connection.

17 . The forceps of claim 13 wherein the first connector includes a first surface proximate the center pivot point and the second connector includes a second surface proximate the center pivot point, wherein the first surface contacts the second surface when the center pivot point is in the first position.

18 . The forceps of claim 13 further comprising a connecting member connected to the center pivot point and configured to move the center pivot point between the first position and the second position, and wherein the first connector and the second connector are each pivotally connected to the connecting member by pin connections.

19 . The forceps of claim 13 wherein the first connector and the second connector are pivotally connected to each other by reduced cross-sectional portions at the center pivot point.

20 . A surgical tool comprising:
a first arm; a second arm interconnected to the first arm, wherein the first arm and the second arm have an open position and a closed position; a first connector having a first proximate end connected to the first arm and having a first distal end and a first stop surface at the first distal end, wherein the first connector has a concave surface and a convex surface extended between the first distal end and the first proximate end; and a second connector having a second proximate end connected to the second arm, having a second distal end connected to the first distal end of the first connector, and having a second stop surface at the second distal end, wherein the second connector has a concave surface and a convex surface extended between the second distal end and the second proximate end, and wherein the first stop surface contacts the second stop surface and the first and second arms are in the open position when the first member and the second member are in a first position, and wherein the first stop surface does not contact the second stop surface and the first and second arms in the closed position when the first member and the second member are in a second position.

Assignees

• Gyrus Acmi Inc Dba Olympus Surgical Technologies America

Inventors

• Batchelor Kester J
• Curtis Richard J
• Windgassen Ryan J

Classifications

• A61B17/2816 Primary

  Pivots · CPC title

• A61B2018/1412

  Blade · CPC title

• A61B17/3211

  Surgical scalpels, knives; Accessories therefor · CPC title

• A61B18/14

  Probes or electrodes therefor · CPC title

• A61B2018/00589

  Coagulation · CPC title