Surgery – Instruments – Means for inserting or removing conduit within body
Reexamination Certificate
2000-01-06
2001-07-24
Mancene, Gene (Department: 3732)
Surgery
Instruments
Means for inserting or removing conduit within body
C623S001110
Reexamination Certificate
active
06264662
ABSTRACT:
The present invention relates to an insertion aid for a bifurcated prosthesis, in particular an arrangement for inserting a guide wire in the contralateral artery into the trouser leg of a bifurcated prosthesis.
Such an insertion aid is already known from European Patent Application EP-A-0 765 643. This insertion aid comprises a first guide wire having a magnet arranged at the end of the wire as well as a second guide wire which already extends in the contralateral leg of a “trouser” of the bifurcated prosthesis. In this case, the second guide wire consists of a magnetic material; as soon as the magnet of the first guide wire contacts this magnetic material and is connected thereto, the first guide wire can be moved into the contralateral leg of the prosthesis.
The use of the arrangement described in EP-A-0 765 643 has shown that the magnet of the first guide wire does not always immediately catch the magnetic second guide wire. Since the first guide wire with the magnet at its end, which wire was contralaterally inserted, can only be guided with respect to the position of the magnet, several attempts are sometimes necessary for contacting the second guide wire with the magnet. It is the object underlying the present invention to provide an insertion aid for a bifurcated Prosthesis which allows a reliable and accurate connection of the two guide wires and thus the insertion of the contralateral guide wire into the contralateral leg of a bifurcated prosthesis. This object is achieved by the features of the claims.
For solving this problem, the invention is based on the idea of providing a second magnet at the second guide wire (ipsilateral guide wire) to connect the two guide wires accurately and reliably. This second magnet increases the attraction between the two guide wires such that the two guide wires are joined and connected reliably even if they were first considerably spaced apart.
REFERENCES:
patent: 5989276 (1999-11-01), Houser et al.
patent: 6190353 (1999-11-01), Makower
patent: 0 765 643 A2 (1997-04-01), None
patent: WO 97/13463 (1997-04-01), None
Mancene Gene
Priddy Michael B.
Sulzer Vascutek Ltd.
Trop Pruner & Hu P.C.
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