Surgeries were performed using the same technique for all patients. We used a modified Hardinge approach with a skin incision of 10 cm or less with the patient in the lateral position. All hips were implanted with a cementless cup (Plasma cup BTM, B/Braun-Aesculap, Germany) and a cementless stem (Bicontact TM B/Braun-Aesculap, Germany). This stem is designed to have a flat, square cross section that enables some allowance for rotational adjustment. Regarding cup positioning, inclination and anteversion angles were targeted at 40°-45° and 15°-20°, respectively, using imageless navigation (OrthoPilot; B/BRAUN-Aesculap, Germany). The stem anteversion was arbitrarily adjusted under manual control. In postoperative rehabilitation, postoperative gait exercise with full weight-bearing was allowed the day after surgery.
Bicontact tm
Manufactured by B. Braun
Sourced in Germany
BicontactTM is a laboratory equipment product from B. Braun. It is designed for handling and processing of liquids in a laboratory setting. The core function of BicontactTM is to facilitate efficient and controlled liquid handling tasks.
Automatically generated - may contain errors
Lab products found in correlation
2 protocols using bicontact tm
1
Modified Hardinge Approach for Cementless Hip Arthroplasty
2
Cementless THA with Image-Free Navigation
Check if the same lab product or an alternative is used in the 5 most similar protocols
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Surgery was performed by two senior surgeons (SF and YT) who are experienced with using the image-free navigation system. Before surgery, the screw with the tracker device was placed into the ipsilateral ilium with the patient in supine position. In addition, another tracker device (femoral clamp) was attached to the greater trochanter of the femur during surgery. The surgical approach was either the modified-Hardinge approach with the patient positioned in the lateral position or the anterior-lateral approach in the supine position. The modified-Hardinge approach was employed for 71cases (76 hips) and the anterior-lateral approach was employed for 30 cases (32 hips). Regarding the leg length, the length of the operated leg was adjusted to the value obtained from the radiograph data of the contralateral leg. The implanted prosthetic system was composed of a cementless cup (Plasma cup BTM, B/Braun-Aesculap, Germany), a cementless stem (BicontactTM, B/Braun-Aesculap, Germany), a ceramic 32-mm head, and a ceramic liner from the same manufacturer.
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