Views: 0 Author: Site Editor Publish Time: 2025-08-05 Origin: Site
Hip replacement, as the 'final solution' for mid-terminal joint disease, has helped countless patients get rid of pain and regain their freedom of movement. The emergence of minimally invasive direct anterior approach (DAA) technology has pushed this treatment to a new level - smaller surgical incisions, fewer intraoperative bleeding, and faster postoperative recovery , making patients' expectations for 'rapid recovery'. However, when practicing this advanced technology, clinicians have long been troubled by a realistic problem: the lack of a standardized device package that truly meets the needs of surgery, and they have to rely on scattered tools to piece together or improve it themselves, which not only increases the risk of surgery, but also restricts the full use of technical advantages.
Shandong Good Doctor has been deeply engaged in the field of medical devices for many years and has always taken 'solving clinical pain points' as its core mission. When noticing the confusion of doctors during DAA surgery, the team deeply realized that a set of easy surgical instruments is not only a guarantee for the smooth progress of the operation, but also the key to allowing minimally invasive technology to benefit more patients. To this end, Shandong Good Doctors launched a deep collaboration across 'clinical needs' and 'engineering implementation', and jointly with authoritative experts from domestic orthopedic medical institutions - the General Hospital of the People's Liberation Army, Beijing Jishuitan Hospital, and Union Hospital of Fuzhou Medical University, to open the road to research and development of DAA surgical instrument packages.
Medical and industrial collaboration: From 'clinical pain points' to 'instrument innovation'
The starting point of R&D is always anchored in the real needs of the clinical frontline. During dozens of discussions with the expert team, the doctors carefully counted the 'shortcoming' of existing tools: some instrument angles do not conform to the human anatomical structure and easily damage the surrounding tissues during operation; some tools are uncomfortable to hold, and long-term surgery can easily lead to hand fatigue; some set components are scattered, and frequent replacement of tools during surgery not only wastes time and increases the risk of contamination... These details have become the key goals of the R&D team.
In order to make the device truly 'fit the surgical logic', Shandong Liangyi's design engineers and manufacturing engineers participated in the clinical observation in depth throughout the process. They recorded every operational action of the doctor next to the operating table: from the exposure of the surgical incision to the implantation of the prosthesis; from the anatomical differences between patients of different body types to the emergency treatment of intraoperative emergencies... These 'operational data' from the front line are transformed into core parameters of the device design.
For example, for the 'exposure of joint capsule' in the DAA approach, experts suggest that traditional hook angles are difficult to adapt to the acetabular position of different patients. The design team worked with the doctor to draw sketches, repeatedly adjust the arc and length of the hook, and finally developed a particularly appropriate anatomical structure, 'biological retractor', which can accurately expose the surgical field and avoid excessive pulling of soft tissue. For example, considering the long-term compression of the tissue on the edge of the intraoperative instrument, the doctor's team required that the back of all retractors be round and arc-shaped, which the doctor affectionately called 'soft tissue-friendly retractors'.
Such 'detail innovation' runs through the entire set: the grip handle adopts an ergonomic anti-slip design, which can be maintained even after long-term operation; the tool components are arranged in an orderly manner according to the surgical process, reducing the time for finding devices during surgery; all metal parts have a good yield strength through special heat treatment processes; the American surface treatment process is introduced, and the instruments maintain a beautiful metallic color and have anti-glare effects to reduce doctors' perspective fatigue... Every improvement comes from the 'accurate capture' of clinical needs.
Thousands of tempering: from 'test sample' to 'clinical recognition'
The research and development of equipment has never been 'talk on paper'. From the first trial sample preparation to the final finalization, more than 10 rounds of iterative optimization have been experienced. After each trial production is completed, it will be sent to the operating room of the cooperative hospital for 'practical testing' - used by the expert team in simulated surgery or real cases, recording every 'unsmooth' moment.
A professor at Fuzhou Union Hospital once reported at the beginning of the trial: 'The force transmission of the prosthetic striker is not uniform enough, which sometimes leads to the position of the prosthesis shift. 'The R&D team immediately adjusted the material and structure of the device and adopted a high-strength alloy and buffer design, which not only ensures the accurate transmission of force during the strike, but also reduces the oscillation of surrounding bones. The director of Beijing Jishuitan Hospital proposed: 'The specifications of the bone hooks in the set are not detailed enough and it is difficult to adapt to the needs of multiple surgical scenarios. 'The manufacturing team immediately added three intermediate sizes of bone hooks, allowing the device to match different bone conditions from young patients to elderly patients with osteoporosis.
In this way, the samples are constantly improved in the cycle of 'clinical trial - problem feedback - optimization and improvement'. The DAA nine-piece set has undergone three material adjustments, the angle and size of each tool have undergone at least 10 modified designs and surgical trials, and the grip handle has tested 3 different anti-slip texture solutions. The entire set of instruments has undergone more than 50 simulated surgeries and 60 clinically validated surgeries. When the last sample was 'very silky' in the operation of the 301 Hospital, the surgeon put down the instrument and said: 'This set of tools is just like a 'tailored' for DAA surgery, and it is easy to use, calm and can't let go of it.' This evaluation became a higher affirmation of the R&D results.
Empowering clinical practice: allowing minimally invasive technology to benefit more patients
Now, Shandong Liangyi DAA surgical instrument package has been officially put into clinical use. It is not only a set of tools, but also a carrier for 'standardization' of experts' surgical experience - through the 'process design' of the instrument, helping more doctors quickly master the operation essence of DAA technology; through 'accurate functions', reduce the difficulty and risk of surgery; through 'efficient components', shorten the surgical time, allowing patients to bleed less during the operation and recover faster after the operation.
In the clinical application of a Grade A hospital in Shandong, the average DAA surgery time using this device package was shortened by 20 minutes compared with traditional tools, and the patient's postoperative time was advanced to 1 to 2 days, and the incidence of complications was reduced by 30%. An elderly patient who underwent surgery sighed: 'I thought changing joints was a major operation, but I didn't expect that the wound was so small and recovered so quickly. It was really good technology!'
For doctors, this set of devices not only brings convenience in operation, but also improves confidence in the 'quality of surgery'. As the professor at 301 Hospital said: 'Good tools can make doctors focus more on the surgery itself, rather than being 'tucked' by the instrument. When every action is accurate and smooth, we can truly achieve the goal of 'achieving better results with minimal trauma'.'
Innovate with equipment to help healthy China
From clinical pain points to device innovation, from medical and industrial collaboration to clinical recognition, the birth of Shandong Liangyi DAA surgical instrument package interprets the research and development concept of 'patient-centered and clinical-oriented'. It is not only a technological breakthrough in the field of medical devices, but also represents the unremitting pursuit of 'medical' and 'rapid recovery'.
In the future, Shandong Good Doctors will continue to deepen cooperation with medical institutions, carry out innovative research and development around more clinical needs, and make advanced innovative devices a 'right assistant' for doctors, so that minimally invasive technology can benefit more patients with joint diseases. Because we firmly believe that every advancement of the device is to make surgery safer, recover faster, and allow more people to regain the happiness of 'walking freely'.
