Surgical shunt assembly tool

Patent metadata

Field	Value
Publication number	US-11911059-B2
Application number	US-202117236246-A
Country	US
Kind code	B2
Filing date	Apr 21, 2021
Priority date	Apr 21, 2020
Publication date	Feb 27, 2024
Grant date	Feb 27, 2024

Abstract

The present disclosure provides a surgical shunt assembly tool that provides a more efficacious grip on the catheter tubes and prevent the tip of the catheter from buckling while the catheter is pushed onto the tip of the valve during installation of shunts during CSF shunt surgery. The tool includes standard handles such as used in a shodded mosquito tool having a clamping jaw integrated into the distal end section of the handle. The distal jaw includes two forcep jaw sections each having a proximal end integrally formed with a distal end of a distal end arm section of one of the two handle arms, and a distal end section extending away from the distal end arm section. The distal end sections of the forcep jaw sections are cylindrically shaped such that when the forcep jaw is closed by bringing the two forcep jaw sections together, a cylinder is formed having a diameter substantially equal to a diameter of a catheter tube to be attached to a shunt valve tip. The proximal ends of the forcep jaw sections are oval shaped and have a size such that when the forcep jaw is closed bringing the two forcep jaw sections together, an oval shaped opening is formed having a size smaller than the diameter of the catheter tube such that the catheter tube is squeezed closed to provide a firm grip of the tool of the catheter tube.

First claim

Therefore what is claimed is:

1. A surgical shunt assembly tool for attaching a catheter tube to a shunt valve tip, the catheter tube having an outer diameter, comprising: a handle having first and second elongate arms with a proximal end of each of said first and second elongate arms configured to be gripped by a digit of a clinician; a forcep including a first forcep law section attached to a distal end section of each of the first and second elongate arms, said first and second elongate arms being pivotally connected to each other at a location spaced from said distal end section of each of said first and second elongate arms; and each first forcep jaw section having a second forcep jaw section integrally formed therewith, the first forcep jaw sections having a size and shape that define an oval shaped opening when the forcep is closed, each second forcep jaw section having a size and shape that forms a cylinder with a circular shaped opening when the forcep is closed, said circular shaped opening having a diameter greater than the oval shaped opening when the forcep is closed, the oval shaped opening and the circular shaped opening being colinear, the diameter of the circular shaped opening being equal to the outer diameter of the catheter tube to be attached to a shunt valve tip and a size of the oval shaped opening selected to pinch closed the catheter tube when the forcep is closed.

2. The tool according to claim 1 , wherein the distal end sections of each arm attached to its associated first forcep jaw section is at a pre-selected angle with respect to said first and second elongate arms.

3. The tool according to claim 2 , wherein said pre-selected angle is in a range from about 0 degrees to about 90 degrees.

4. The tool according to claim 3 , wherein each elongate arm, its associated distal end section and associated first forcep jaw section are formed as an integrally formed unitary single piece.

5. The tool according to claim 3 , wherein each elongate arm, its associated distal end section and associated first forcep jaw section are formed as two separate pieces configured to be temporarily mated to each other, in which each first forcep jaw section is integrally formed with a sleeve section as a unitary single piece, and wherein a distal end of each arm is configured to temporarily mate to and be received in said sleeve section.

6. The tool according to claim 2 , wherein each elongate arm, its associated distal end section and associated first forcep jaw section are formed as an integrally formed unitary single piece.

7. The tool according to claim 2 , wherein each elongate arm, its associated distal end section and associated first forcep jaw section are formed as two separate pieces configured to be temporarily mated to each other, in which each first forcep jaw section is integrally formed with a sleeve section as a unitary single piece, and wherein a distal end of each arm is configured to temporarily mate to and be received in said sleeve section.

8. The tool according to claim 1 , wherein each elongate arm, its associated distal end section and associated first forcep jaw section are formed as an integrally formed unitary single piece.

9. The tool according to claim 1 , wherein each elongate arm, its associated distal end section and associated first forcep jaw section are formed as two separate pieces configured to be temporarily mated to each other, in which each first forcep jaw section is integrally formed with a sleeve section as a unitary single piece, and wherein a distal end of each arm is configured to temporarily mate to and be received in said sleeve section.

Assignees

• Hospital For Sick Children

Inventors

• Looi Thomas
• Lai Grace Yee Yan
• Hanak Iv Brian E William
• Voyer-Nguyen Pascal
• Drake James

Classifications

• A61B17/282 Primary

  Jaws · CPC title

• A61M27/002

  Implant devices for drainage of body fluids from one part of the body to another (intraocular A61F9/00781; middle ear A61F11/202) · CPC title

• A61B2017/2829

  with a removable cover · CPC title

• A61B2017/2931

  with releasable head · CPC title

• A61M2209/04

  Tools for specific apparatus · CPC title