Gauge for measuring the profile of bone openings
First Claim
1. A profile gauge for use with a prosthetic acetabular cup which has skirt or flange connected thereto which can be trimmed and which is adapted to cooperate with the periphery of an opening in the acetabulum, said profile gauge comprising an adjustable element for measuring and indicating the diametric profile of a mouth of a rim area adjacent to the acetabulum opening, said adjustable element allowing the indication on the skirt or flange the measure diameter profile, the adjustable element includes a body portion and a number of peripherally projecting indicators which can be adjusted to define the shape of the mouth of the opening in the acetabulum, said indicators are provided by axially movable pins.
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Accused Products
Abstract
A profile gauge for use with an acetabular cup loading tube provided with a skirt or flange characterized by adjustable means for measuring and indicating the diametric profile of the mouth of the rim area adjacent thereto of an acetabular socket into which an acetabular cup is to be implanted and includes means for removably locating said adjustable means on a loading tube to indicate on the skirt thereof the measured diameter profile.
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Citations
16 Claims
- 1. A profile gauge for use with a prosthetic acetabular cup which has skirt or flange connected thereto which can be trimmed and which is adapted to cooperate with the periphery of an opening in the acetabulum, said profile gauge comprising an adjustable element for measuring and indicating the diametric profile of a mouth of a rim area adjacent to the acetabulum opening, said adjustable element allowing the indication on the skirt or flange the measure diameter profile, the adjustable element includes a body portion and a number of peripherally projecting indicators which can be adjusted to define the shape of the mouth of the opening in the acetabulum, said indicators are provided by axially movable pins.
- 13. A profile gauge for intra-operatively measuring and indicating a diameteric profile of an opening in the acetabulum or a rim area adjacent thereto for sizing a skirt connected to an acetabular cup, said gauge comprising a body portion and a number of peripherally projecting indicators which can be adjusted to define the profile or the rim area adjacent thereto of the opening in the acetabulum to be measured, said indicators are provided by axially movable pins, said pins are held in place by friction between each pin and the body portion, said body portion is substantially annular, the indicators projecting outwardly from the periphery thereof and also inwardly into a central opening.
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15. A profile gauge for intra-operatively measuring and indicating a diameteric profile of an opening in the acetabulum or a rim area adjacent thereto for sizing a skirt connected to an acetabular cup comprising a body portion and a number of peripherally projecting indicators which can be adjusted to define the profile or the rim area adjacent thereto of the opening in the acetabulum to be measured, said indicators are provided by axially movable pins.
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16. A profile gauge for intra-operatively measuring and indicating a diametric profile of a bone opening in the acetabulum or a rim area adjacent thereto for sizing an implant on a skirt connected to an acetabular cup comprising a body portion and a number of peripherally projecting indicators which can be adjusted to define the profile or the rim area adjacent thereto of the opening in the acetabulum to be measured said indicators are provided by axially movable pins and said pins are held in place by friction between each pin and the body portion.
Specification