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US 10,695,193 B2Granted
Device and method for inserting a liner into an acetabular cup
AssigneeDepuy Ireland Unlimited Company
InventorsAndrew Bailey, Gary Moore
Life of this patent
Estimating the term…
Abstract
A device and method for inserting a liner into an acetabular cup. The device includes a first portion configured to engage the liner and a rim of the acetabular cup to align a pole of the liner and a pole of the cup along an axis of the device prior to insertion of the liner into the cup. The device also includes a second portion for pushing the liner into the cup. The second portion includes a guide arrangement for engaging a rim of the liner. The second portion is coupled to the first portion for movement of the second portion with respect to the first portion along said axis.
Claims24
A device for inserting a liner into an acetabular cup, the device comprising:
- a first portion configured to engage the liner and a rim of the acetabular cup to align a pole of the liner and a pole of the cup along an axis of the device prior to insertion of the liner into the cup;
- and
- a second portion for pushing the liner into the cup, wherein the second portion comprises a guide arrangement for engaging a rim of the liner, and wherein the second portion is coupled to the first portion for movement of the second portion with respect to the first portion along said axis;
- wherein the first portion comprises a plurality of arms for engaging the liner and the rim of the acetabular cup at spaced apart points around the liner and the rim of the cup;
- wherein the guide arrangement comprises a plurality of guide members for engaging the rim of the liner at spaced apart points around the rim of the liner and wherein positions of the arms of the first portion and the guide members of the second portion are adjustable for varying a lateral distance of the arms and the guide members from said axis according to the size of the cup and the liner.
2 more elements
A single use device for inserting a liner into an acetabular cup comprising:
- a first portion configured to engage the liner and a rim of the acetabular cup to align the liner and the acetabular cup with an insertion axis of the device prior to insertion of the liner into the acetabular cup;
- a second portion coupled to the first portion for pushing the liner into the acetabular cup;
- and
- a non-return member for preventing reuse of the device;
- wherein the device is moveable from an initial configuration to a deployed configuration;
- and
- wherein in the initial configuration the non-return member is configured such that the second portion may be moved with respect to the first portion along the insertion axis in a first direction to seat the liner into the acetabular cup, and in the deployed configuration the non-return member transitions to a configuration in which movement along the insertion axis in a second direction, opposite to the first direction, is prevented.
4 more elements
A device for inserting a liner into an acetabular cup, the device comprising:
- a first portion configured to engage the liner and a rim of the acetabular cup to align a pole of the liner and a pole of the cup along an axis of the device prior to insertion of the liner into the cup;
- and
- a second portion for pushing the liner into the cup, wherein the second portion comprises a guide arrangement for engaging a rim of the liner, and wherein the second portion is coupled to the first portion for movement of the second portion with respect to the first portion along said axis;
- wherein the guide arrangement comprises a plurality of guide members for engaging a rim of the liner at spaced apart points around the rim;
- wherein in an initial position of the device prior to insertion of the liner into the cup a gap is present between the guide members of the guide arrangement and the rim of the liner, and wherein the guide members are positioned to engage with the rim of the liner for preventing tilting of the liner as the liner is pushed into the cup;
- wherein positions of arms of the first portion and the guide members of the second portion are adjustable for varying a lateral distance of the arms and the guide members from said axis according to the size of the cup and the liner.
3 more elements
A device for inserting a liner into an acetabular cup, the device comprising:
- a first portion configured to engage the liner and a rim of the acetabular cup to align a pole of the liner and a pole of the cup along an axis of the device prior to insertion of the liner into the cup;
- a second portion for pushing the liner into the cup, wherein the second portion comprises a guide arrangement for engaging a rim of the liner, and wherein the second portion is coupled to the first portion for movement of the second portion with respect to the first portion along said;
- and
- a guide sleeve with a rod slidably received therein for coupling the first portion and the second portion;
- wherein the first portion comprises the guide sleeve and the second portion comprises the rod.
2 more elements
A device for inserting a liner into an acetabular cup, the device comprising:
- a first portion configured to engage the liner and a rim of the acetabular cup to align a pole of the liner and a pole of the cup along an axis of the device prior to insertion of the liner into the cup;
- a second portion for pushing the liner into the cup, wherein the second portion comprises a guide arrangement for engaging a rim of the liner, and wherein the second portion is coupled to the first portion for movement of the second portion with respect to the first portion along said axis;
- and
- a guide sleeve with a rod slidably received therein for coupling the first portion and the second portion;
- wherein the first portion comprises the rod and the second portion comprises the guide sleeve.
2 more elements
A device for inserting a liner into an acetabular cup, the device comprising:
- a first portion configured to engage the liner and a rim of the acetabular cup to align a pole of the liner and a pole of the cup along an axis of the device prior to insertion of the liner into the cup;
- and
- a second portion for pushing the liner into the cup, wherein the second portion comprises a guide arrangement for engaging a rim of the liner, and wherein the second portion is coupled to the first portion for movement of the second portion with respect to the first portion along said axis;
- wherein the second portion comprises connection means for connecting the second portion to a tool for applying a force to the second portion to push the second portion along said axis.
1 more element
Dependencies are inferred from the claim text.