A distraction frame for use with a surgical table, wherein the surgical table includes a base for positioning on a floor, the distraction frame including a table mount for fixation to the base of the surgical table; at least one horizontal strut mounted to the table mount; at least one vertical strut mounted to the at least one horizontal strut; and at least one distraction mechanism mounted to the at least one vertical strut, wherein the at least one distraction mechanism may be connected to a limb of a patient for applying a distraction force to the limb of the patient; wherein the table mount may transfer to the floor a force moment imposed on the table mount when the at least one distraction mechanism applies a distraction force to a limb of a patient.

The present invention provides a supporting hook structure, comprising a sleeve, a fixing rod, a first limit unit, a hook and a fixing device. The fixing rod is connected to the side surface of the sleeve. The hook body is connected to one end of the sleeve. The first limit unit is arranged on the side surface of the sleeve and adjacent to the hook body. The first limit unit makes the hook body rotates with the axis direction of the sleeve as a rotation axis. The fixing device is connected to the other end of the sleeve to fix the rotating position of the hook body. Through the above, the hook part enters the proximal thigh from a surgical entrance and the hook part rotates to make the hook part abut against the proximal femur to complete the positioning and fixation of the femur hook structure to the femur.

A method for creating space in a joint formed at the convergence of two bones, the method comprising: applying force to a body part so as to separate the two bones from one another by a distance which is greater than the distance that they are normally separated from one another when the joint is in a healthy state, whereby to distract the joint and create an intrajoint space; inserting an assembly of three balloons into the intrajoint space while the assembly of three balloons is in a contracted condition; expanding the assembly of three balloons within the intrajoint space; and reducing the force applied to the body part so that the joint is supported on the assembly of three balloons, with the two bones remaining separated from one another by a distance which is greater than the distance that they are normally separated from one another when the joint is in a healthy state.

A minimally invasive hip arthroplasty technique involves intramedullary insertion of an elongate femoral broach into a femur. The broach has a superior lateromedial transverse bore. A reaming rod is then located through the transverse bore and the neck of the femur. A cutting head is coupled to a distal end of the reaming rod via an incision. An orthogonal drive arm of an arthroplasty jig may also be inserted behind the cutting head to press the cutting head to ream the acetabulum while the reaming rod rotates the cutting head.

A system includes a surgical table, a pad disposed on a table portion of the surgical table, and a leg distraction unit configured for modular attachment to the surgical table, the leg distraction unit configured to apply a distraction force to a leg of the patient while the patient is positioned on the pad and the table portion is tilted so that the patient's head is below the patient's hip, wherein the table portion is capable of tilting to a tilt angle in which the distraction force applied to the leg of the patient is counteracted by a combination of a friction force provided by the pad and a force of gravity from the patient being tilted so that the patient is kept from sliding in a direction of the distraction force.

A distraction frame includes a table mount for removably mounting the distraction frame to a surgical table; at least one horizontal strut mounted to the table mount; at least one vertical strut mounted to the at least one horizontal strut; and at least one distractor mounted to the at least one vertical strut, wherein the at least one distractor is configured for connection to a limb of a patient and for applying a distraction force to the limb of the patient; wherein the table mount comprises at least one wheel for selectively supporting the table mount above the floor and the at least one horizontal strut comprises at least one caster for selectively rollably supporting the at least one horizontal strut on the floor so that the distraction frame can be selectively moved to the surgical table supported by the at least one wheel and the at least one caster.

In one embodiment, the present disclosure relates to a method of evaluating soft tissue tension surrounding a hip of a patient using navigation and software to track positions of the femur and a pelvis of the patient in real time. The method begins with intra-operative reduction of a femoral implant into an acetabulum of a patient and retrieval of first coordinates of a femoral head center of the femoral implant when the femoral implant is in a reduced position. Performance of a shuck test follows where the femur is distracted relative to the acetabulum. Retrieval of second coordinates of the femoral head center occurs when the femoral implant is distracted from the acetabulum, and a difference between the first coordinates and the second coordinates in a coronal plane is used to determine a shuck length vector.

A support apparatus for supporting an end of a distraction marrow nail includes a base plate attachable to the pelvis, and a mounting device on the base plate for mounting of the support end of the distraction marrow nail. The mounting device includes a ball seat having a cavity forming a ball seat surface for mounting a ball on the support end of the distraction marrow nail, wherein the inside radius of the ball seat surface corresponds to the outside radius of the ball, and wherein the ball seat is arranged so that the ball of the distraction marrow nail can be movably mounted such that the distraction marrow nail can perform a movement sufficient for an extensively normal movement pattern of a femur and cannot luxate out of the ball seat when implanted in the femur.

A stabilizing pad configured for positioning on a surgical table onto which a patient is placed for a surgical procedure, the stabilizing pad comprising: a high friction top surface; and a high friction bottom surface; wherein the stabilizing pad comprises foam.

Described herein are methods and devices useful for reaming and shaping the surfaces of a joint in a mammalian body. The reaming and shaping devices and methods are particularly useful in preparation of a joint for a minimally invasive joint replacement or resurfacing, though they may be used as part of any appropriate arthroplasty procedure.