Delivery apparatus, nozzle, and removable tip assembly
First Claim
Patent Images
1. A bone cement delivery apparatus, comprising:
- a delivery tube having an inner wall providing an axial bore; and
a connector at a proximal end of the delivery tube including at least one receiving slot in the inner wall, a transverse portion of the receiving slot including an override surface and a local recess which cooperate to removably mate the delivery tube and the connector with a nozzle having a nozzle connector, the nozzle communicating with a container that receives a load of bone cement.
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Accused Products
Abstract
A bone cement delivery apparatus is provided. The delivery apparatus includes a delivery tube and a connector. The delivery tube has an inner wall providing an axial bore. The connector is provided at a proximal end of the delivery tube. The connector includes at least one receiving slot in the inner wall. The receiving slot includes a transverse portion comprising an override surface and a local recess which cooperate to removably mate the delivery tube and the connector with a bone cement dispensing apparatus.
81 Citations
27 Claims
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1. A bone cement delivery apparatus, comprising:
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a delivery tube having an inner wall providing an axial bore; and
a connector at a proximal end of the delivery tube including at least one receiving slot in the inner wall, a transverse portion of the receiving slot including an override surface and a local recess which cooperate to removably mate the delivery tube and the connector with a nozzle having a nozzle connector, the nozzle communicating with a container that receives a load of bone cement. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
a first portion and a second portion, the first portion having an outer surface contoured to be received in a delivery tube, the outer surface defining at least one node configured to secure the delivery tube in interlocking engagement with the nozzle, and the second portion communicating with a supply of bone cement.
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17. The nozzle of claim 16 wherein the first portion comprises a cylindrical outer surface and a circumferential seal integral with the cylindrical outer surface.
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18. The nozzle of claim 17 wherein the circumferential seal rises above the cylindrical outer surface approximately 0.0025 inches.
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19. The nozzle of claim 16 wherein the second portion is integral with the first portion, and the second portion is configured to mate with a bone cement container.
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20. The delivery apparatus of claim 1 wherein the delivery tube has an axial bore of constant dimension from the proximal end toward a distal end.
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21. The delivery apparatus of claim 1 wherein the circumferential seal extends radially outwardly of the cylindrical outer surface for a distance sufficient to form a fluid impermeable seal between the nozzle and the delivery tube.
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22. A fluent material delivery apparatus, comprising:
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a tip having a delivery tube and a delivery tube connector, the delivery tube connector including at least one receiving slot provided in the delivery tube and having a transverse portion including an override surface and a local recess; and
a nozzle having a nozzle connector, the nozzle communicating with a fluent material dispensing apparatus and the nozzle connector configured to removably mate with the delivery tube, connector, the nozzle connector including at least one node sized for slidable engagement with the receiving slot and operative to mate in interlocking engagement within the local recess of the transverse portion responsive to circumferential manipulation of the nozzle and the at least one node over the override surface of the at least one receiving slot. - View Dependent Claims (23, 24, 25, 26, 27)
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Specification