Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1999-05-10
2000-09-05
Yasko, John D.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604191, A61M 3700
Patent
active
061135712
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to an applicator device for applying a multi component fluid, especially a multi component tissue glue. Particularly, the invention relates to the straightforward and sterile loading of such an applicator device with the individual fluid components.
Applicator devices for medical multi component fluids are known e.g. from U.S. Pat. Nos. 4,874,368, 4,978,336, EP 0 037 393 B1 and WO 95/31137. All of these applicator devices comprise a plurality of substantially cylindrical supply containers for respectively one component of the fluid to be applied. These supply containers are normally provided as syringe bodies. Said syringe bodies include a cylindrical receiving chamber for the fluid component, having a piston with piston rod displaceably guided therein. The outlet ends of the syringe bodies are formed as conically tapered connecting pieces. The conically tapered ends of the syringe bodies are inserted into the connecting recesses of a connecting headpiece, the connecting headpiece being formed with individual channels extending therethrough from the connecting recesses to an outlet end of the connecting headpiece. When, in the filled condition of the syringe bodies, the piston rods are actuated, the fluid components will be discharged via the discharge ends of the syringe bodies and through the channels of the connecting headpiece to issue from the outlet ends of the connecting headpiece, thus allowing the fluid components to be applied for the gluing of tissue. To facilitate the handling of the applicator device, the applicator device is usually provided with a mounting support for the individual supply containers which is suited to be engaged thereunder by two fingers of a hand. The piston rods of the supply containers are connected to each other by a attachable connecting element so that, when pressure is exerted on the connecting element, a plurality of piston rods are actuated simultaneously.
The above outlined known tissue glue applicator devices are prepared for use in the following manner. First, the individual syringe bodies are filled with the fluid components. After all of the syringe bodies (normally, there will be two syringe bodies) have been filled with the different components, the syringe bodies are attached to the connecting headpiece and connected to each other by means of the mounting support. Finally, the connecting element is mounted on the operating ends of the piston rods. In view of the necessity to perform all of these processes under sterile conditions, the handling is rather bothersome and thus involves the risk of contamination.
It is an object of the invention to provide an applicator device for applying a multi component fluid, especially a multi component tissue glue, wherein the loading of the applicator device with the individual fluid components and the preparation of the device for applying a multi component fluid are simplified.
For solving the above object, the invention provides an applicator device for applying a multi component fluid, especially a multi component tissue glue, comprising one component of the fluid to be applied, each of said supply containers having a front end with an opening for dispensing the fluid component from the supply container, a rear end facing away from the front end, and a slideably displaceable piston having a piston rod extending out of said rear end for operating the piston, and the front ends of the supply containers, said connecting headpiece having channels for the individual components of the fluid to be applied extending therethrough from said connectors to an outlet end.
Further, in an applicator device of the above type, at least one fluid connection is provided with a fluid control device arranged between the supply containers and the connecting headpiece, said fluid control device comprising two ports connected to the supply container and the connecting headpiece. The fluid control device is additionally provided with a further connecting port. This third connecting port is provided with an adapt
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Denenburg Igor
Zinger Freddy
Omrix Biopharmaceuticals S.A.
Yasko John D.
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