Vascular access port
First Claim
1. A medical device comprising:
- an implantable access port having an access port body and at least one needle;
the at least one needle housed within the access port body, the at least one needle extendable and retractable relative to the access port body;
a needle shift mechanism housed within the access port body, the needle shift mechanism movable within the access port body to move the at least one needle to a plurality of different positions of the access port body at which the at least one needle is extendable and retractable;
wherein the needle shift mechanism is rotatable around an axis; and
the at least one needle is extendable and retractable axially along the axis;
wherein the at least one needle comprises a needle shaft with a needle lumen, and a removable needle tip which is configured to be connectable to and removable from the needle shaft; and
wherein the needle lumen is closed by the removable needle tip when the removable needle tip is connected to the needle shaft.
4 Assignments
0 Petitions
Accused Products
Abstract
An implantable vascular access port for providing repeated therapy to a patient in need of such therapy, the access port, upon repeated use, presents each time an access needle at a new location so as to minimize scarring injury to the skin of the patient. The vascular access port may include a body, a cover comprising a plurality of openings, at least one needle comprising a tip and a shaft, the shaft defining a lumen, a needle elevator mechanism to operate the position of the at least one needle in at least a retracted position in which the at least one needle is disposed in the body and the needle tip below the cover and an extended position in which the at least one needle is engaged through at least a first one of the openings, and a needle shift mechanism to move the at least one needle from a first position in which the needle can engage the at least a first one of the openings, to a second position in which the needle can engage at least a second one of the openings.
124 Citations
21 Claims
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1. A medical device comprising:
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an implantable access port having an access port body and at least one needle; the at least one needle housed within the access port body, the at least one needle extendable and retractable relative to the access port body; a needle shift mechanism housed within the access port body, the needle shift mechanism movable within the access port body to move the at least one needle to a plurality of different positions of the access port body at which the at least one needle is extendable and retractable; wherein the needle shift mechanism is rotatable around an axis; and
the at least one needle is extendable and retractable axially along the axis;wherein the at least one needle comprises a needle shaft with a needle lumen, and a removable needle tip which is configured to be connectable to and removable from the needle shaft; and wherein the needle lumen is closed by the removable needle tip when the removable needle tip is connected to the needle shaft. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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Specification