Surgical forceps which can be taken apart

Patent metadata

Field	Value
Publication number	US-9662130-B2
Application number	US-201214115246-A
Country	US
Kind code	B2
Filing date	Apr 19, 2012
Priority date	Apr 19, 2012
Publication date	May 30, 2017
Grant date	May 30, 2017

Abstract

A pair of surgical forceps which can be taken apart and which includes a handle, a pivot joint with a rotational axis and a jaw. It further includes two releasably coupled forceps parts, each of which has a pin-less pivot joint element. The first pivot joint element has a first guide rail and a first guide recess. The second pivot joint element has a second guide rail and a second guide recess. The guide rails, which engage in an undercut of the guide recesses on the pivot joint elements, form a sliding guide for the pivot joint. The first pivot joint element has a first thickening element and the second pivot joint element has a second surface element. In a safety position the first thickening element interacts with the second surface element by means of jamming.

First claim

The invention claimed is:

1. A pair of forceps comprising a handle, a pivot joint with a rotational axis, a jaw, first and second releasably coupled forceps parts, an open position, an end position and a safety position between the open position and the end position, the first forceps part having a first pin-less pivot joint element, the second forceps part having a second pin-less pivot joint element, the first pivot joint element having a first guide rail and a first guide recess, the second pivot joint element having a second guide rail and a second guide recess, wherein the guide rails, which engage in an undercut of the guide recesses on the pivot joint elements, form a sliding guide for the pivot joint, the first pivot joint element has a first thickening element distinct from the first guide rail, the second pivot joint element has a second surface element, in the open position the first and the second pivot joint elements are able to be released from one another or coupled together, in the end position the jaw of the forceps is closed, and in the safety position the first thickening element interacts with the second surface element by jamming which can be over-pressed by an increased force being expended in order to continue rotational movement of the forceps parts around the pivot joint, the increased force comprising a second force greater than a first force, the first force capable of moving the forceps from the end position to the safety position but incapable of moving the forceps in the safety position.

2. The pair of forceps of claim 1 , wherein the forceps parts are identical.

3. The pair of forceps of claim 1 , wherein the first pivot joint element has a first surface element, a third guide rail, a third guide recess, a third surface element and a third thickening element, and wherein the second pivot joint element has a second thickening element, a fourth guide rail, a fourth guide recess, a fourth surface element and a fourth thickening element.

4. The pair of forceps of claim 3 , wherein in the safety position one or more of the second thickening element interacts with the first surface element, the third thickening element interacts with the fourth surface element or the fourth thickening element interacts with the third surface element by jamming.

5. The pair of forceps of claim 3 , wherein each of the guide rails cover a maximum angle of 90° with reference to a rotational axis of the pivot joint.

6. The pair of forceps of claim 1 , comprising control elements having recesses for gripping by fingers.

7. The pair of forceps of claim 1 , wherein the first pivot joint element is configured as a slotted annular spring having a first slot arranged on the handle.

8. The pair of forceps of claim 7 , wherein the first thickening element is arranged on an edge of the slotted annular spring.

9. The pair of forceps of claim 8 , wherein the first guide rail is arranged on an edge of the slotted annular spring and the first thickening element is arranged next to and separately from the first guide rail.

10. The pair of forceps of claim 8 , wherein the first guide recess is arranged in an edge of the slotted annular spring and the first thickening element is arranged next to and separately from the first guide recess.

11. The pair of forceps of claim 7 , wherein the first thickening element is arranged on the first guide rail.

12. The pair of forceps of claim 7 , wherein the first thickening element is arranged in the first guide recess.

13. The pair of forceps of claim 1 , wherein the second pivot joint element configured as a slotted annular spring having a second slot arranged on the handle.

14. The pair of forceps of claim 1 , wherein said pair of forceps comprises a material which is corrosion-free and antibacterial, the material comprising a metal, an alloy or a plastics material.

Assignees

• Bartels Carolin
• Dmuschewsky Klaus
• Link Waldemar Gmbh Co

Inventors

• Bartels Carolin
• Dmuschewsky Klaus

Classifications

• A61B17/2833

  Locking means · CPC title

• A61B2017/00836

  corrosion-resistant (A61B2017/00853 takes precedence; preventing galvanic or electrolytic corrosion in prostheses A61F2210/0009) · CPC title

• A61B17/2816 Primary

  Pivots · CPC title

• A61B2090/0813

  Accessories designed for easy sterilising, i.e. re-usable · CPC title