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Hip

Normal Anatomy of the Hip joint

The hip joint is the largest weight-bearing joint in the human body. It is also referred to as a ball and socket joint and is surrounded by muscles, ligaments, and tendons. The thigh bone or femur and the pelvis join to form the hip joint.

Any injury or disease of the hip will adversely affect the joint's range of motion and ability to bear weight.

The hip joint is made up of the following:

  • Bones and joints
  • Ligaments of the joint capsule
  • Muscles and tendons
  • Nerves and blood vessels that supply the bones and muscles of the hip

Femoro Acetabular Impingement (FAI)

Femoroacetabular impingement (FAI) is a condition where there is too much friction in the hip joint from bony irregularities causing pain and decreased range of hip motion. The femoral head and acetabulum rub against each other creating damage and pain to the hip joint. The damage can occur to the articular cartilage (the smooth white surface of the ball or socket) or the labral tissue (the lining of the edge of the socket) during normal movement of the hip. The articular cartilage or labral tissue can fray or tear after repeated friction. Over time, more cartilage and labrum is lost until eventually the femur bone and acetabulum bone impact on one other. Bone on bone friction is commonly referred to as Osteoarthritis.

Hip Fracture

The hip joint is a “ball and socket” joint.  The “ball” is the head of the femur, or thigh bone, and the “socket” is the cup shaped acetabulum.  The joint surface is covered by a smooth articular surface that allows pain free movement in the joint.

Hip fracture is a break that occurs near the hip in the upper part of the femur or thigh bone. The thigh bone has two bony processes on the upper part - the greater and lesser trochanters. The lesser trochanter projects from the base of the femoral neck on the back of the thigh bone. Hip fractures can occur either due to a break in the femoral neck, in the area between the greater and lesser trochanter or below the lesser trochanter.

Hip Dysplasia

Developmental dysplasia of the hip (DDH) or Hip dysplasia is a condition which is seen in infants and young children because of developmental problems in the hip joint. The femur (thigh bone) partially or completely slips out of the hip socket causing dislocation at the hip joint. It is most common in first born baby with family history of the disorder. The exact cause for hip dysplasia is not known. Genetic factors play an important role in causing this birth defect. DDH can be mild or severe and can affect one or both hips. It is more common in girls and usually affects the left hip. DDH does not cause any pain and so the condition may not be noticed until the child starts to walk. 

Avascular Necrosis

Avascular necrosis, also called osteonecrosis is a condition in which bone death occurs because of inadequate blood supply to it. Lack of blood flow may occur when there is a fracture in the bone or a joint dislocation that may damage nearby blood vessels. Chronic use of high doses of steroid medications and heavy alcohol consumption are the two main risk factors of avascular necrosis. Initially, small breaks appear in the bone that may eventually collapse. Hip joint is most commonly affected; however, the knee and shoulder may also be involved. 

Hip Arthroscopy

Arthroscopy, also referred to as keyhole or minimally invasive surgery, is a procedure in which an arthroscope is inserted into a joint to check for any damage and repair it simultaneously.

An arthroscope is a small, fiber-optic instrument consisting of a lens, light source, and video camera. The camera projects an image of the inside of the joint onto a large screen monitor allowing the surgeon to look for any damage, assess the type of injury, and repair the problem. 

Hip Labral Tear

A hip labral tear is an injury to the labrum, the cartilage that surrounds the outside rim of your hip joint socket. The hip joint is a ball and socket joint in which the head of the femur is the ball and the pelvic acetabulum forms the socket. The labrum helps to deepen the socket and provide stability to the joint. It also acts as a cushion and enables smooth movements of the joint.

Total Hip Replacement (THR)

Total hip replacement is a surgical procedure in which the damaged cartilage and bone is removed from the hip joint and replaced with artificial components.  The hip joint is one of the body's largest weight-bearing joints, located between the thigh bone (femur) and the pelvis (acetabulum). It is a ball and socket joint in which the head of the femur is the ball and the pelvic acetabulum forms the socket. The joint surface is covered by a smooth articular cartilage which acts as a cushion and enables smooth movements of the joint.

A number of diseases and conditions can cause damage to the articular cartilage. Total hip replacement surgery is an option to relieve severe arthritis pain that limits your daily activities.

Outpatient Hip Replacement

Hip replacement surgery is the most common orthopedic surgery performed. It involves the replacement of the damaged hip bone (ball shaped upper end of the femur) with a metal ball attached to a metal stem that is fixed into the femur and attached to the pelvic region.

Outpatient Direct Anterior Hip Replacement

Dr. Redmond is fellowship trained in outpatient total hip replacement. Over the past five years he has developed a minimally invasive method of performing direct anterior hip replacement that minimizes soft tissue trauma. In 2017 specialized retractors and reamers were developed to be even less invasive. As a result Dr. Redmond’s patients enjoy a reduced recovery time and less pain around the time of surgery. This allows most patients the ability to go home the same day of surgery

Robotic Hip Replacement

Introduction

Robotic hip surgery is an advancement to a traditional hip surgery by using a robotic system to perform the surgery. The robotic system functions as an extension of the surgeon’s hands and eyes.

The advantages of robotic hip surgery include:

  • A computed tomography (CT) scan is ordered before the surgery to create a 3D model of the hip joint. This is fed into the system, which is used to accurately guide your surgeon during the surgery.
  • A 3D camera is used to provide your surgeon with a magnified view of the operating site.
  • The procedure is performed minimally invasively, through 2 to 3 small incisions.

Open Hip Preservation Surgery

The hip is a ball and socket joint comprising of the femur (thigh bone) and the pelvic bone. The head of the femur (ball) articulates with a cavity (socket) called the acetabulum in the pelvic bone. To facilitate smooth and frictionless movement of the hip joint, the articulating surfaces of the femur head and acetabulum are covered by spongy articular cartilage. Injury, wear-and-tear and certain diseases can result in the wearing away of the cartilage tissue, causing painful rubbing of bones. Hip replacement surgeries have long been the choice of treatment, where the damaged parts of the joint are removed and replaced with a prosthesis. However, in young active patients, the prostheses are highly prone to wear-and-tear, and the need for repeat surgery. Hip preservation is a surgery that overcomes the limitations of joint replacement.

If you wish to be advised on the most appropriate treatment, please call to schedule an appointment or request an appointment online.