Vancouver B2 is a classification label for a specific type of femur fracture around a hip replacement stem. It describes a fracture near the implant where the femoral stem is loose, but the surrounding bone stock is generally adequate. It is most commonly used after total hip arthroplasty (hip replacement) to guide evaluation and treatment planning. It is part of the broader Vancouver classification system for periprosthetic femoral fractures.

Vancouver B1 is a label used to classify a specific kind of femur fracture near a hip replacement. It describes a fracture around the femoral stem where the implant is considered stable. It is most commonly used after total hip arthroplasty (hip replacement) to guide treatment planning. It is part of the “Vancouver classification” system for periprosthetic femoral fractures.

Vascular injury THA means damage to an artery or vein related to total hip arthroplasty (THA), also called total hip replacement. It is an uncommon but potentially serious complication rather than a planned part of surgery. It can happen during surgery or appear later as bleeding, clotting, or reduced blood flow to the leg. The term is commonly used in orthopedic and vascular medicine when discussing THA risks, recognition, and management.

Varus osteotomy hip is a surgical bone-cutting procedure that changes the angle of the upper thigh bone near the hip. “Varus” means the bone is repositioned so the limb angles slightly inward relative to the hip. It is most commonly used in hip preservation surgery, especially in pediatric and young adult orthopedic care. The goal is to improve hip mechanics by changing how the femoral head sits and loads inside the socket.

Valgus osteotomy hip is a surgical procedure that changes the angle of the upper femur (thigh bone) near the hip. “Valgus” means the bone is repositioned to increase the neck–shaft angle, bringing the leg into a more “outward” alignment at the hip. It is most commonly used to improve how forces pass through the hip joint or a femoral neck fracture site. Orthopedic surgeons use it in selected hip problems in both adolescents and adults.

Unstable intertrochanteric fracture is a type of hip fracture in the upper femur (thigh bone). It occurs in the intertrochanteric region, between the greater and lesser trochanters near the hip. “Unstable” means the broken bone pieces are likely to shift under normal forces, making alignment harder to maintain. The term is commonly used in orthopedic diagnosis, surgical planning, and rehab planning after a hip fracture.

Unipolar hemiarthroplasty is a type of hip replacement surgery that replaces only the “ball” of the hip joint. It uses a single-piece (unipolar) femoral head that moves directly against the patient’s natural hip socket. It is most commonly used for certain hip fractures, especially fractures of the femoral neck. It is considered a partial hip replacement rather than a total hip replacement.

Uncemented hip arthroplasty is a type of hip replacement where the implant is fixed to bone without surgical cement. It relies on a tight initial fit and the body’s bone growth to secure the implant over time. It is commonly used in total hip arthroplasty (total hip replacement) for arthritis and other joint problems. It may also be used in some revision (repeat) hip surgeries, depending on bone quality and implant choice.

Ultrasound-guided trochanteric injection is an image-guided injection performed near the bony prominence on the outside of the hip called the greater trochanter. It is commonly used to target pain generators around the lateral (outer) hip, such as inflamed bursae or irritated gluteal tendons. Ultrasound helps the clinician see soft tissues and guide the needle to a planned location in real time. It is used in orthopedic, sports medicine, and physical medicine settings for both diagnosis and symptom management.

Ultrasound-guided aspiration hip is a procedure that uses ultrasound imaging to guide a needle into the hip joint or nearby fluid collection. The goal is to remove (aspirate) fluid for testing or symptom evaluation. It is commonly used in orthopedics, sports medicine, rheumatology, and emergency care. It may be performed in a clinic, procedure room, or hospital setting depending on the case.