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Instrument for insertion of solid filling materials in a bone cavity, storage mechanism and assembly

A filling and assembly technology, applied in the direction of internal bone synthesis, special packaging items, packaging, etc., can solve the problems of difficult operation, difficult to reproducibly fill the bone cavity, unsuitable for sending solid fillings, etc. Achieve the effect of simple and safe device operation and simple operation

Inactive Publication Date: 2011-05-18
AKROSS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this device is that it is not suitable for feeding solid fillings
The device is also difficult to manipulate, making it difficult for surgeons to reliably and reproducibly fill bone cavities

Method used

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  • Instrument for insertion of solid filling materials in a bone cavity, storage mechanism and assembly
  • Instrument for insertion of solid filling materials in a bone cavity, storage mechanism and assembly
  • Instrument for insertion of solid filling materials in a bone cavity, storage mechanism and assembly

Examples

Experimental program
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Effect test

Embodiment Construction

[0036] Figure 1 to Figure 4 The same device 1 for delivering a solid filling into a bone cavity is shown from a different perspective. The device 1 comprises a handle 4 and a rigid injection cannula 3 which is fixedly coupled to the handle. The handle 4 includes an upper half shell 4a and a lower half shell 4b, which are also fastened together. The handle 4 also comprises a seat 4d for the injection cannula 3 and an inlet 4c surrounded by a protruding sleeve 41 . like image 3 As shown in the side view of , the inlet 4c is arranged on the extension line of the injection cannula 3, so that a trocar 8 or a rod 8a or 7a of a push rod 7 can be moved into the inlet 4c, and directly through the injection cannula 3 to the injection cannula. The front end 3a of the tube and, if desired, the injection cannula can also protrude. The injection cannula 3 is of rigid or rigid design, preferably of metal or hard plastic.

[0037] In the exemplary embodiment shown, a storage mechanism ...

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PUM

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Abstract

The instrument (1) for introducing solid fillers (2) into the interior of a bone comprises a cannula (3) and a handle (4) connected to the latter, wherein a reservoir (5) is mounted displaceably in the handle (4), and wherein the reservoir (5) has a plurality of chambers (5a) for receiving solid fillers (2), the chambers (5a) being arranged in the chamber (5) in such a way that, by displacement of the reservoir (5), the chambers (5a) can be positioned one after another in a dispensing position (A) relative to the cannula (3), such that the fillers (2) of the chamber (5b) located in the dispensing position (A) can be delivered to the cannula (3).

Description

technical field [0001] The present invention relates to a device for delivering solid fillers into a bone cavity, as well as the storage mechanism used and the assembly formed therefrom. Background technique [0002] Document WO 2005 / 094735 describes a filler, a delivery device and a method for forming a support structure in a bone cavity, the disclosure of which is hereby incorporated by reference. Here, a number of supporting bodies are introduced into the bone cavity, in particular into the vertebral body. [0003] Document US 2005 / 0228397 discloses a device for delivering bone glue, especially in liquid form, into the inner cavity of a vertebra. The disadvantage of this device is that it is not suitable for feeding solid fillings. The device is also difficult to manipulate, making it difficult for the surgeon to reliably and reproducibly fill the bone cavity. Contents of the invention [0004] The object of the present invention is to provide a device for delivering...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B17/88A61J1/00
CPCA61B17/8833A61B17/8819A61B17/7095
Inventor 布鲁诺·西德尔
Owner AKROSS AG
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