Shoulder hold-down and locking mechanism therefor for use with a surgical frame

Patent metadata

Field	Value
Publication number	US-11026857-B2
Application number	US-201916395821-A
Country	US
Kind code	B2
Filing date	Apr 26, 2019
Priority date	Apr 26, 2019
Publication date	Jun 8, 2021
Grant date	Jun 8, 2021

Abstract

A shoulder hold-down is provided for use in securing at least a shoulder of a patient in position relative to a surgical frame. The shoulder hold-down includes a locking mechanism that is adjustable to afford positioning of a shoulder engaging portion for contacting the patient. The locking mechanism facilitates at least four (4) modes of adjustment to position the shoulder engaging portion relative to the patient.

First claim

The invention claimed is:

1. A locking mechanism for use with a surgical frame, the locking mechanism comprising:
an arm portion including a first shaft portion, a second shaft portion, and a first flange portion, the arm portion including a first end, an opposite second end, a mid-longitudinal axis extending through the first end and the second end, and a channel extending from at least adjacent the first end to at least adjacent the second end along the mid-longitudinal axis, the channel receiving portions of the second shaft portion therein, the first shaft portion including a first exterior surface, the second shaft portion including a second exterior surface, the first shaft portion adjacent the first end of the arm portion including a first aperture on a first side of the channel, the first shaft portion adjacent the first end of the arm portion including a second aperture on a second side of the channel, and the second shaft portion adjacent the first end of the arm portion including a third aperture;
a handle portion having a clevis portion including a first lateral portion and a second lateral portion, the first lateral portion and the second lateral portion of the handle portion being spaced apart from one another, the first lateral portion of the handle portion including a fourth aperture and a first cam surface formed thereon, and the second lateral portion of the handle portion including a fifth aperture and a second cam surface formed thereon, end portions of each of the first shaft portion and the second shaft portion adjacent the first end of the arm portion being received between the first lateral portion and the second lateral portion of the clevis portion;
a bracket portion and a second flange portion, the bracket portion including at least a third lateral portion and a fourth lateral portion, the third lateral portion and the fourth lateral portion of the bracket portion being spaced apart from one another, the second flange portion being positioned between the third lateral portion and the fourth lateral portion of the bracket portion, the third lateral portion of the bracket portion including a sixth aperture, and the fourth lateral portion of the bracket portion including a seventh aperture, the first lateral portion and the second lateral portion of the handle portion being received between the third lateral portion and the fourth lateral portion of the bracket portion; and
one of a rod and a fastener extending through the first aperture, the second aperture, the third aperture, the fourth aperture, the fifth aperture, the sixth aperture, and the seventh aperture to attach the arm portion, the bracket portion, and the handle portion to one another;
wherein the first cam surface and the second cam surface of the handle portion are contactable to at least one surface of the first flange portion, and movement of the handle portion from an unactuated position to an actuated position causes the first cam surface and the second cam surface to translate on the at least one surface, and simultaneously move the first contact surface of the first flange and the second contact surface of the second flange toward one another, and move the second shaft portion at least partially out of the channel in the first shaft portion to expand the first shaft portion and the second shaft portion relative to one another via interaction of the one of the rod and the fastener in the first aperture, the second aperture, the third aperture, the fourth aperture, the fifth aperture, the sixth aperture, and the seventh aperture.

2. The locking mechanism of claim 1 in combination with a component of the surgical frame, the component of the surgical frame comprising a base portion attached relative to the surgical frame, and including an aperture extending therethrough, the aperture of the base portion including an interior surface and being configured to receive portions of the first shaft portion and the second shaft portion therein, wherein expansion of the first shaft portion and the second shaft portion relative to one another impinges the first exterior surface of the first shaft portion and the second exterior surface of the second shaft portion against the interior surface of the aperture in the base portion to hold the arm portion in position relative to the base portion.

3. The combination of claim 2 , wherein, when the handle portion is unactuated, the first shaft portion and the second shaft portion are unexpanded with respect to one another, and the first shaft portion and the second shaft portion are capable of linear and rotational movement in the aperture formed in the base portion.

4. The locking mechanism of claim 1 used as part of a shoulder hold-down for use in securing at least a shoulder of a patient in position relative to the surgical frame, the shoulder hold-down comprising the locking mechanism, a support shaft portion, a shoulder engaging portion, and a base portion,
the support shaft portion including a first end, an opposite second end, and being configured to be received between the first contact surface and the second contact surface of the locking mechanism,
the shoulder engaging portion being attached to the first end of the support shaft portion, and including a shoulder contacting structure configured to contact at least the shoulder of the patient,
the base portion being attached relative to the surgical frame, and including an aperture extending therethrough, the aperture of the base portion including an interior surface and being configured to receive portions of the first shaft portion and the second shaft portion therein,
wherein movement of the first contact surface of the first flange and the second contact surface of the second flange toward one another causes impingement of the first contact surface and the second contact surface on the support shaft to hold the support shaft in position relative to the arm portion, and
wherein movement expansion of the first shaft portion and the second shaft portion relative to one another causes impingement of the first exterior surface of the first shaft portion and the second exterior surface of the second shaft portion against the interior surface of the aperture in the base portion to hold the arm portion in position relative to the base portion.

5. The shoulder hold-down of claim 4 , wherein, when the handle portion is unactuated, the first contact surface of the first flange and the second flange are spaced apart from one another, and the support shaft is capable of linear and rotational movement between the first contact surface of the first flange and the second contact surface of the second flange.

6. The shoulder hold-down of claim 4 , wherein, when the handle portion is unactuated, the first shaft portion and the second shaft portion are unexpanded with respect to one another, and the first shaft portion and the second shaft portion are capable of linear and rotational movement in the aperture formed in the base portion.

7. The shoulder hold-down of claim 4 , wherein the shoulder engaging portion further comprises a pivot connection position between the shoulder contacting structure and the first end of the support shaft, the pivot connection facilitating pivotal movement of the shoulder engaging portion relative to the support shaft.

8. A locking mechanism for use with a surgical frame, the locking mechanism comprising:
an arm portion including a first shaft portion, a second shaft portion, and a first flange portion, the arm portion including a first end, an opposite second end, a mid-longitudinal axis extending through the first end and the second end, and a channel extending from at least adjacent the first end to at least adjacent the second end along the mid-longitudinal axis, po

Assignees

• Warsaw Orthopedic Inc

Inventors

• Lim Roy K

Classifications

• A61G2200/325

  prone · CPC title

• A61G13/1295 Primary

  having alignment devices for the patient's body · CPC title

• A61G13/1255

  Shoulders · CPC title

• A61G13/101 Primary

  Clamping means for connecting accessories to the operating table (supports as part of surgical instruments A61B90/50) · CPC title

• A61G13/126

  with specific supporting surface · CPC title