Device for introducing a catheter-cannula into a blood vessel
First Claim
1. A device for introducing soft short catheter-cannulas into a blood-vessel comprising a cannula for puncturing the blood-vessel, said catheter cannula being arranged on the outside of said cannula and being intended to be introduced into the blood-vessel together with the cannula, a connection member being arranged at the rear end of the catheter-cannula remote from the blood-vessel when in use, wherein an introducer-cannula is arranged on the outside of the catheter-cannula and extending over the substantial length of and being stiffer than the catheter-cannula, said introducer-cannula being intended to be introduced into the blood-vessel together with the catheter-cannula and the cannula, said introducer-cannula being severable along its length and at its rear end provided with at least one gripping member by means of which the introducer-cannula is withdrawn from the blood-vessel and removed from the cather-cannula under simultaneous severance.
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Accused Products
Abstract
The present invention discloses a device for introducing soft, short, catheter-cannula into a blood vessel. The device comprises a puncturing member and a connection member arranged at the rear end of the catheter cannula remote from the blood vessel. The device is easy to handle and the insertion of the needle, the catheter and the introducer is made in a single step.
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Citations
12 Claims
- 1. A device for introducing soft short catheter-cannulas into a blood-vessel comprising a cannula for puncturing the blood-vessel, said catheter cannula being arranged on the outside of said cannula and being intended to be introduced into the blood-vessel together with the cannula, a connection member being arranged at the rear end of the catheter-cannula remote from the blood-vessel when in use, wherein an introducer-cannula is arranged on the outside of the catheter-cannula and extending over the substantial length of and being stiffer than the catheter-cannula, said introducer-cannula being intended to be introduced into the blood-vessel together with the catheter-cannula and the cannula, said introducer-cannula being severable along its length and at its rear end provided with at least one gripping member by means of which the introducer-cannula is withdrawn from the blood-vessel and removed from the cather-cannula under simultaneous severance.
Specification