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Cartridge for storage and delivery of a two-phase compound

A technology of composites and cartridges, applied in mixers, transportation and packaging, joint implants, etc., can solve problems such as contamination of operators and working environments, increase safety and stability, and improve sterility

Active Publication Date: 2008-05-14
TECRES SPA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This is a critical step in the process and must also be performed under aseptic conditions, thus leading to contamination of the operator and the working environment

Method used

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  • Cartridge for storage and delivery of a two-phase compound
  • Cartridge for storage and delivery of a two-phase compound
  • Cartridge for storage and delivery of a two-phase compound

Examples

Experimental program
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Effect test

Embodiment Construction

[0046] Cartridges for storage and aseptic delivery of two-phase compositions, especially acrylic resins or bone cements for arthroplasty or vertebroplasty, are indicated in their entirety by the numeral 1, as shown in particular in FIG. 1 , referring to the above-mentioned figures.

[0047] Resins can consist of a liquid phase in largely monomeric form and a solid phase in powder form, or with the addition of antibiotics or growth actives, which can be polymerized in a solvent in the liquid phase. The two phases are first separated and the liquid phase is preferably stored in frangible containers F, such as small glass tubes commonly used. According to additional embodiments, the composition may also be a drug selected from antibiotics, vitamins, and the like.

[0048] As shown in particular in FIGS. 2 and 3 , the cartridge is constituted by a first tubular member 2 extending along an axis X in a generally longitudinal direction. This member 2 defines a first chamber 3 having...

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PUM

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Abstract

This invention finds application in the field of the devices and methods for physical or chemical mixing of products and particularly relates to a cartridge for storage and sterile delivery of a two-phase compound. The cartridge comprises a first tubular member (2) which defines a first chamber (3) for storage of a solid phase, having a bottom wall (6) with an opening (7) for the passage of the compound, a second tubular member (9) which defines a second hermetically sealed chamber (12) for storage of a liquid phase, and a piston which sealably slides within the first tubular member (2), means (8) for occluding said opening (7) which comprise at least one rupturable membrane (15) associated to the bottom wall (6).

Description

technical field [0001] The invention finds application in the field of devices and methods for physically or chemically mixing products, and in particular relates to a cartridge for storing and aseptically delivering a two-phase composition. Background technique [0002] It is well known that arthroplasty, and vertebral surgery in particular, requires the introduction of appropriate amounts of material into the specific area to be treated to enhance the implant site. [0003] Therefore, invasive procedures such as percutaneous vertebroplasty or similar interventions require materials with the highest biological and microbiological safety and compatibility with the human body, for example in order to reduce vertebral compression. [0004] Materials currently used in this branch of surgery include specific acrylic resins, usually composed of a substantially monomeric liquid component, which are used as solvents for polymerizing powders. [0005] The two components are first p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/46A61B17/88B01F13/00B01F15/02
CPCA61B17/8833B01F15/0205B01F13/002A61F2/4611B01F33/5011B01F35/713
Inventor G·法齐奥利R·索菲亚蒂
Owner TECRES SPA
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