Reusable injection catheter
First Claim
1. A reusable injection catheter comprising:
- a flexible conduit having a fluid path therethrough;
a first cannula extending outwardly from a distal end of said conduit in fluid communication with said conduit and being adapted for insertion into a patient;
a connector housing at a proximal end of said conduit, said housing having a forward end, a rearward end adjacent to said conduit and a passageway therethrough, said passageway being in fluid communication with said conduit;
a second cannula extending outwardly from said forward end of said housing in fluid communication with said passageway, a free end of said second cannula being furthermost from said housing; and
shield means, removably engaging said connector housing and covering said second cannula.
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Accused Products
Abstract
A reusable injection catheter for use with a medication delivery system comprises a flexible conduit having a fluid path therethrough, a first cannula at the distal end of the conduit for insertion into the patient, a connector housing at the proximal end of the conduit having a passageway therethrough, and a second cannula extending from the housing and in fluid communication therewith. An embodiment of the present invention includes a resilient sleeve covering the second cannula to prevent fluid passage therethrough. This sleeve is adapted to be pierced by the second cannula upon the application of force to the sleeve, thus allowing fluid flow through the second cannula, and further adapted to return to its initial position upon termination of the force.
170 Citations
20 Claims
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1. A reusable injection catheter comprising:
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a flexible conduit having a fluid path therethrough; a first cannula extending outwardly from a distal end of said conduit in fluid communication with said conduit and being adapted for insertion into a patient; a connector housing at a proximal end of said conduit, said housing having a forward end, a rearward end adjacent to said conduit and a passageway therethrough, said passageway being in fluid communication with said conduit; a second cannula extending outwardly from said forward end of said housing in fluid communication with said passageway, a free end of said second cannula being furthermost from said housing; and shield means, removably engaging said connector housing and covering said second cannula. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A reusable injection catheter for use with a source of externally supplied pressurized fluid comprising:
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a flexible tube having a fluid path therethrough; a first cannula extending outwardly from a distal end of said tube in fluid communication with said tube and being adapted for insertion into a patient; a connector housing at a proximal end of said tube, said housing having a forward end, are rearward end adjacent to said tube and a passageway therethrough, said passageway being in fluid communication with said tube; a second cannula extending outwardly from said forward end of said housing in fluid communication with said passageway, a free end of said second cannula being furthermost from said housing; shield means removably engaging said connector housing and covering said second cannula, said shield means including venting means for allowing air trapped in said shield means to escape therefrom; and attachment means associated with said housing for cooperating with the source of externally supplied pressurized fluid to removably hold said housing in a fixed position relative thereto. - View Dependent Claims (18, 19, 20)
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Specification