Forceps for internal fixation

Patent metadata

Field	Value
Publication number	US-11857237-B2
Application number	US-201917424750-A
Country	US
Kind code	B2
Filing date	Dec 23, 2019
Priority date	Jan 24, 2019
Publication date	Jan 2, 2024
Grant date	Jan 2, 2024

Abstract

Provided is forceps for internal fixation, including: a first member having a first holding portion for holding a first side of bone fragments and a first grip extending from the first holding portion; and a second member having a second holding portion for holding a second side spaced a predetermined distance from the first side of the bone fragments and a second grip extending from the second holding portion.

First claim

The invention claimed is:

1. A forceps for internal fixation, comprising:
a first member having a first holding portion for holding a first side of bone fragments and a first grip extending from the first holding portion;
a second member having a second holding portion for holding a second side spaced a predetermined distance from the first side of the bone fragments and a second grip extending from the second holding portion; and
a third member that is configured to be disposed on a third side of the bone between the first side and the second side of the bone and is configured to be thread-fastened to the third side of the bone,
wherein the first member further has a first fixing portion for fixing a portion of the third member to the third side of the bone between the first holding portion and the first grip, and the second member further has a second fixing portion for fixing the other portion of the third member to the third side of the bone between the second holding portion and the second grip.

2. The forceps of claim 1 , wherein an inner surface of the first holding portion is formed to correspond to the first side of the bone fragments and an inner surface of the second holding portion is formed to correspond to the second side of the bone fragments.

3. The forceps of claim 1 , wherein a prominence-depression portion is formed on a portion or the entire of an inner surface of the first holding portion or an inner surface of the second holding portion.

4. The forceps of claim 1 , wherein an inner surface of the third member is formed to correspond to the shape of the third side of the bone fragments.

5. The forceps of claim 1 , wherein the first fixing portion extends from the first holding portion in a shape corresponding to a portion of the third member and the second fixing portion extends from the second holding portion in a shape corresponding to the shape of the other portion of the third member.

6. The forceps of claim 1 , wherein the first fixing portion has a first fixing member having a side having a shape corresponding to a portion of the third member, and a first elastic member disposed between another side of the first fixing member and the first holding portion or between another side of the first fixing member and the first grip and applying pressure to the first fixing member; and
the second fixing portion has a second fixing member having a side having a shape corresponding to the other portion of the third member, and a second elastic member disposed between another side of the second fixing member and the second holding portion or between another side of the second fixing member and the second grip and applying pressure to the second fixing member.

7. The forceps of claim 1 , wherein the first member further has a coupling groove formed on an inner surface of the first grip and the second member further has a coupling protrusion formed on an inner surface of the second grip to face the coupling groove and configured to be fitted in the coupling groove.

8. The forceps of claim 7 , wherein the coupling protrusion and the coupling groove are each formed at at least two positions to face each other, respectively.

9. The forceps of claim 1 , further comprising a fourth member retaining the first grip and the second grip, thereby providing a fixing force to the first member and the second member.

10. The forceps of claim 9 , wherein the first grip and the second grip are narrowed toward free ends.

11. The forceps of claim 9 , wherein at least one or more first fixing protrusions are formed on an outer surface of the first grip, at least one or more second fixing protrusions are formed on an outer surface of the second grip, and fixing grooves corresponding to the at least one or more first fixing protrusion and the at least one or more second fixing protrusion are formed on an inner surface of the fourth member.

Assignees

• The Catholic Univ Of Korea Industry—Academic Cooperation Foundation
• Catholic Univ Korea Ind Academic Cooperation Foundation

Inventors

• Shin Seung Han
• Chung Yang Guk
• Yoon Do Kun
• Kim Moo Sub

Classifications

• A61B17/8866 Primary

  for gripping or pushing bones, e.g. approximators (joint distractors A61B17/025) · CPC title

• A61B17/808 Primary

  Instruments for holding or positioning bone plates, or for adjusting screw-to-plate locking mechanisms · CPC title

• A61B17/28

  Surgical forceps (biopsy forceps A61B10/06; {for holding suture needles or materials A61B17/0483; for removing or smashing calculi A61B17/221; surgical scissors A61B17/3201;} obstetrical forceps A61B17/44) · CPC title

• A61B17/8869

  Tensioning devices · CPC title

• A61B17/282

  Jaws · CPC title