Device for mixing bone cement

Patent metadata

Field	Value
Publication number	US-2024189006-A1
Application number	US-202318531844-A
Country	US
Kind code	A1
Filing date	Dec 7, 2023
Priority date	Dec 13, 2022
Publication date	Jun 13, 2024
Grant date	—

Abstract

A device for mixing bone cement comprises a first hollow body which encloses a first cavity for receiving a powder and has a first opening, and a second hollow body which encloses a second cavity for receiving an ampoule and has a second opening. The first hollow body and the second hollow body are connectable to one another in such a way that the first opening and the second opening are fluidically connected to one another. The first hollow body is elastic so that a content of the first hollow body can be mixed from the outside by kneading.

First claim

1 . A device for mixing bone cement, comprising a first hollow body which encloses a first cavity for receiving a powder and has a first opening, and a second hollow body which encloses a second cavity for receiving an ampoule and has a second opening, wherein the first hollow body and the second hollow body are connectable to one another in such a way that the first opening and the second opening are fluidically connected to one another, wherein the first hollow body is elastic, such that the content of the first hollow body can be mixed from the outside by kneading.

2 . The device according to claim 1 , wherein the second hollow body further comprises a third opening through which a gas can flow out of the second hollow body.

3 . The device according to claim 1 , wherein the second hollow body is elastic at least in regions, such that the second hollow body can be bent from the outside in order to break open an ampoule present in the second cavity.

4 . The device according to claim 1 , wherein the second hollow body has a filter element, the filter element being arranged such that a flow flowing through the second opening is filtered.

5 . The device according to claim 1 , wherein the device comprises an ampoule received in the second cavity.

6 . The device according to claim 1 , wherein the device comprises a powder received in the first cavity.

7 . The device according to claim 1 , wherein the first cavity has a volume which corresponds at least to the sum of a volume of the powder and a volume of a liquid receivable in the ampoule.

8 . The device according to claim 1 , wherein the second cavity has a body region for receiving a body of the ampoule and a head region for receiving a head of an ampoule, at least one first fluidic connection existing between an end of the body region facing the head region and the second opening.

9 . The device according to claim 1 , wherein a second fluidic connection exists between an end of the head region facing away from the body region and the second opening.

10 . The device according to claim 1 , wherein the second hollow body encloses two second cavities, each second cavity being configured to receive an ampoule.

11 . The device according to claim 3 , wherein a common snap line is provided for the two second cavities, so that the two ampoules present in the second hollow body can be broken open from the outside by a single snap action.

12 . The device according to claim 1 , wherein the first hollow body has a first connecting element and the second hollow body has a second connecting element, the first connecting element and the second connecting element being configured such that the first hollow body and the second hollow body are connectable to one another manually and releasably.

13 . The device according to claim 1 , wherein the device further comprises an adapter which is connectable to the first connecting element and is configured such that a mixture for producing bone cement is held back in the first hollow body.

14 . The device according to claim 12 , wherein the device further comprises a discharge element having a third connecting element which can be connected to the first connecting element of the first hollow body.

15 . The device according to claim 14 , wherein the first hollow body is made of a material having a Shore A hardness between 30 and 80.

Assignees

• Heraeus Medical Gmbh

Inventors

• Vogt Sebastian
• Kluge Thomas

Classifications

• B01F33/00 Primary

  Other mixers; Mixing plants; Combinations of mixers · CPC title

• A61B2017/8838

  for mixing bone cement or fluid fillers · CPC title

• B01F35/181

  Preventing generation of dust or dirt; Sieves; Filters (B01F35/145, B01F35/43 take precedence) · CPC title

• B01F35/522

  comprising compartments keeping the materials to be mixed separated until the mixing is initiated (containers or packages for packaging two or more different materials which must be maintained separate prior to use in admixture B65D81/32) · CPC title

• B01F33/50111

  Small portable bottles, flasks, vials, e.g. with means for mixing ingredients or for homogenizing their content, e.g. by hand shaking · CPC title