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US 11,696,815 B2Granted
Circumferential matrix system
AssigneeDENTSPLY SIRONA Inc.
InventorPeter John Nicholson
Life of this patent
Estimating the term…
Abstract
A circumferential matrix system having a matrix band and a body, such that the body comprises a handle, a housing and a base, and a spindle within the body is attached to the handle. The matrix band on one end is permanently affixed to the spindle and the matrix band on another end is permanently affixed to an inside wall of the housing. The circumferential matrix system can be tightened around a tooth without the need or use of a retaining ring.
Claims15
A circumferential matrix system, comprising:
- a body including:
- a handle having a handle rotational axis;
- a housing having an inside wall;
- and
- a base disposed distal across the housing from the handle;
- a spindle disposed within the body, operationally and integrally attached to the handle, and having a spindle rotational axis;
- and
- a matrix band having a first end and a second end, the first end being permanently affixed to the spindle and the second end being permanently affixed to the inside wall of the housing such that the second end of the matrix band is not movable,
- wherein the handle is connected to the housing via the spindle and the handle rotational axis is the same as the spindle rotational axis within the housing.
6 more elements
A circumferential matrix system, comprising:
- a body including:
- a handle having a handle rotational axis;
- and
- a housing having an inside wall;
- a spindle disposed within the body, operationally and integrally attached to the handle, and having a spindle rotational axis;
- and
- a matrix band having a first end and a second end, the first end being permanently affixed to the spindle and the second end being permanently affixed to the inside wall of the housing such that the second end of the matrix band is not movable,
- wherein the handle is connected to the housing via the spindle and the handle rotational axis is the same as the spindle rotational axis within the housing, and
- wherein the spindle is disposed within the housing.
6 more elements
Dependencies are inferred from the claim text.