Bone cement mixing and delivery system with reduced fume exposure

Patent metadata

Field	Value
Publication number	US-9480955-B2
Application number	US-201313735608-A
Country	US
Kind code	B2
Filing date	Jan 7, 2013
Priority date	Jan 7, 2013
Publication date	Nov 1, 2016
Grant date	Nov 1, 2016

Abstract

A system for bone cement includes a vial holder configured for receiving a vial and including a holding structure for maintaining the vial in the vial holder. The vial includes a monomer component for bone cement. A holder chamber is configured to receive and secure the vial holder. The vial holder is advanced toward a vial-breaking device for breaking the vial and releasing its contents into the holder chamber past the elastomeric seal. Once the vial holder is advanced further the elastomeric seal is deformed to form a seal and prevent fumes produced from escaping from the device.

First claim

What is claimed is:

1. A device for mixing and containing fumes for a bone cement component comprising:
a vial holder comprising a body having an inner surface that defines a cavity, the vial holder comprising a distal portion having a threaded outer surface, the vial holder comprising an opening that extends through the distal portion and is in communication with the cavity;
a vial positioned within the cavity;
a container comprising a proximal chamber and a distal chamber, the body being positioned within the proximal chamber, a first portion of the distal chamber being defined by a threaded inner surface that is configured to engage the threaded outer surface to move the vial holder axially relative to the container, the container comprising an outer surface that defines a ledge, the container comprising a vial-breaking device disposed therein and an elastomeric seal having a first surface and an opposite second surface, the seal being positioned such that the vial-breaking device extends through the first and second surfaces, the seal being configured to form a seal against an unthreaded inner surface that defines a second portion of the distal chamber so as to prevent fumes from escaping from the container; and
a mixing vessel comprising a port and a syringe that is in communication with the port, the syringe comprising a plunger that is movable within the syringe, the mixing vessel comprising a second threaded inner surface that engages a second threaded outer surface of the container to move the container axially relative to the mixing vessel between a first orientation in which the ledge is spaced apart from the plunger and a second orientation in which the ledge engages the plunger to move the plunger relative to the syringe and drive contents of the syringe out of the port.

2. A device as recited in claim 1 , wherein the vial-breaking device is a spike that extends into the vial when the container is in the second orientation.

3. A device as recited in claim 1 , wherein the seal forms a seal against the unthreaded inner surface when the container is in the second orientation so as to prevent fumes from escaping from the container.

4. A device as recited in claim 1 , wherein the vial-breaking device is a spike and the plunger extends parallel to the spike.

5. A device as recited in claim 1 , wherein the vial-breaking device comprises a passageway that extends through the vial-breaking device to allow contents of the vial to pass through the container and into the mixing vessel.

Assignees

• Kyphon Sarl
• Kyphon Sarl

Inventors

• Sasaki Neil S
• Click Bryan A

Classifications

• A61B17/8833

  Osteosynthesis tools specially adapted for handling bone cement or fluid fillers; Means for supplying bone cement or fluid fillers to introducing tools, e.g. cartridge handling means · CPC title

• A61B2017/8838

  for mixing bone cement or fluid fillers · CPC title

• B01F2215/0029

  Operations & Transport · mapped topic

• B01F15/0206 Primary

  Operations & Transport · mapped topic

• B01F35/7131 Primary

  Breaking or perforating packages, containers or vials · CPC title