Device for partly occluding a vessel in particular the inferior vena cava and inherent component of this device
First Claim
1. A device for partly occluding a vessel comprising a clip (1) having a pair of arms for straddling the vessel and being provided with teeth (d) for the purpose of partitioning the inside of the vessel into a plurality of channels, said teeth (d) being retractable, remote control means for moving said teeth between an active position wherein said projecting teeth (d) partition the vessel and a passive position wherein said teeth are withdrawn and without significant harmful effect on the vessel.
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Abstract
The invention concerns a device partly occluding a vessel, of the type comprising a clip provided with teeth and designed to externally straddle the vessel. In the invention, the clip teeth are retractable, consisting notably of one or more flexible membranes which can be pressurized to array the teeth in projection in the active position or on the contrary which can be depressurized to withdraw the teeth and to put them in the passive position; the clip is associated with remote controls 2, 3 whereby the teeth can be put either into the active or into the passive position. These controls consist in particular of a catheter 3 and a hydraulic member pressurizing or depressurizing the clip membranes.
958 Citations
19 Claims
- 1. A device for partly occluding a vessel comprising a clip (1) having a pair of arms for straddling the vessel and being provided with teeth (d) for the purpose of partitioning the inside of the vessel into a plurality of channels, said teeth (d) being retractable, remote control means for moving said teeth between an active position wherein said projecting teeth (d) partition the vessel and a passive position wherein said teeth are withdrawn and without significant harmful effect on the vessel.
Specification