Hip joint holding device for hip joint replacement surgery navigation system
By controlling the depth and force of the grinding process using a robotic arm and flexible components of the hip joint holding device, the problem of precise control in existing technologies has been solved, enabling precise grinding of the acetabulum and stable installation of the prosthesis, while avoiding contamination of the sterile space.
Patent Information
- Application Number
- CN202520248713.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-17
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-02-17
AI Technical Summary
In hip replacement surgery, existing techniques make it difficult to precisely control the depth and force of grinding the acetabulum, resulting in poor prosthesis placement.
A hip joint holding device is adopted, including a robotic arm, a flexible component, and a hip joint holder. The flexible component controls the grinding depth and force, and a flexible ring and light strip are set on the hip joint holder to indicate the status of the robotic arm and prevent the cable ties from falling off.
Effectively control the size of the acetabular socket by grinding and refining, improve the implant placement effect, and prevent contamination of the sterile space.
Smart Images
Figure CN223944524U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of electromechanical equipment, especially a hip joint holding device for hip joint replacement surgery navigation system. BACKGROUND
[0002] In the prior art, when treating hip joint diseases, artificial hip joint replacement surgery is usually adopted, that is, the acetabular cartilage at the patient's hip joint is ground off by an acetabular reamer, and then a prosthesis is installed. In the past, the grinding reamer was usually held by hand, and the depth and force of grinding were difficult to control, and only the doctor's experience could be relied on. Doctors with little surgical experience are prone to cause poor acetabular fossa shape, affecting the installation effect of the prosthesis.
[0003] In view of the above, there is a need for a hip joint holding device for hip joint replacement surgery navigation system to solve the problems existing in the prior art. SUMMARY
[0004] In view of the deficiencies of the prior art, the utility model provides a hip joint holding device for hip joint replacement surgery navigation system, aiming to solve the above problems.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: a hip joint holding device for hip joint replacement surgery navigation system, comprising a mechanical arm, a flexible component and a hip joint holder, the two ends of the flexible component are fixedly connected with the mechanical arm and the hip joint holder respectively, the hip joint holder comprises a flexible docking seat, a holding rod is arranged on the flexible docking seat, the holding rod is fixedly connected with the flexible docking seat, a grinding rod seat is arranged on the free end of the holding rod, and the grinding rod seat is fixedly connected with the holding rod.
[0006] Optionally, a mechanical arm calibration identification frame is arranged on the flexible docking seat, and the mechanical arm calibration identification frame is detachably connected with the flexible docking seat.
[0007] Optionally, an identification frame mounting groove is arranged on the flexible docking seat, and a locking knob is arranged on the flexible docking seat at a position corresponding to the identification frame, and the locking knob is in threaded connection with the flexible docking seat.
[0008] Optionally, a threaded boss is arranged on the flexible docking seat, the threaded boss is fixedly connected with the flexible docking seat, the locking knob is arranged on the threaded boss, and a screw anti-loosening hole is arranged on the threaded boss.
[0009] Optionally, the flexible component comprises a flexible ring, a flexible light-transmitting ring is arranged on one side of the flexible ring, the flexible light-transmitting ring is fixedly connected with the flexible ring, and a flexible ring lacing groove is arranged on the other side of the flexible ring.
[0010] Optionally, the grinding and polishing rod seat is provided with a clamping opening, and the grinding and polishing rod seat is provided with a clamping screw, which is in threaded connection with the grinding and polishing rod seat.
[0011] The present application has the advantages that:
[0012] 1. In the present application, the hip joint holder is fixed by the mechanical arm, and the dynamic assembly is installed between the hip joint holder and the mechanical arm, so that the depth and intensity of grinding and polishing can be effectively controlled, and the size of the acetabular fossa is greatly improved.
[0013] 2. In the present application, the dynamic assembly is provided with a lamp strip, the color of the lamp strip is used to display different states of the mechanical arm, and the dynamic ring is provided with a cable slot, so that the cable can be fixed in the slot when the sterile cover is sleeved, the cable is prevented from falling off, and the sterile space is prevented from being contacted with the bacteria. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a structural schematic view of the present application.
[0015] Figure 2 It is another structural schematic view of the present application.
[0016] Figure 3 It is a schematic view of a hip joint holder of the present application.
[0017] In the figure: 1, mechanical arm; 2, dynamic assembly; 3, hip joint holder; 4, mechanical arm calibration identification frame; 5, locking knob; 6, identification frame installation slot; 7, threaded boss; 8, screw anti-loosening hole; 21, dynamic ring; 22, dynamic light-transmitting ring; 23, dynamic ring cable slot; 31, dynamic butt joint seat; 32, holding rod; 33, grinding and polishing rod seat; 34, clamping opening; 35, clamping screw. DETAILED DESCRIPTION
[0018] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment description or the prior art description. Obviously, the drawings in the following description only show some embodiments of the application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0019] The drawings of the present application are shown in the description of the present application Figure 1 - the drawings of the present application Figure 3 The technical solutions of the present application are described
[0020] As Figures 1-3As shown, a hip joint holding device for a hip joint replacement surgery navigation system includes a mechanical arm 1, a smart component 2 and a hip joint holder 3, the two ends of the smart component 2 are fixedly connected with the mechanical arm 1 and the hip joint holder 3 respectively, the hip joint holder 3 includes a smart docking seat 31, a holding rod 32 is arranged on the smart docking seat 31, the holding rod 32 is fixedly connected with the smart docking seat 31, a grinding rod seat 33 is arranged on the free end of the holding rod 32, and the grinding rod seat 33 is fixedly connected with the holding rod 32.
[0021] A mechanical arm calibration identification frame 4 is arranged on the smart docking seat 31, the mechanical arm calibration identification frame 4 is detachably connected with the smart docking seat 31, an identification frame mounting groove 6 is arranged on the smart docking seat 31, a locking knob 5 is arranged on the smart docking seat 31 in a position corresponding to the identification frame, the locking knob 5 is threadedly connected with the smart docking seat 31, a threaded boss 7 is arranged on the smart docking seat 31, the threaded boss 7 is fixedly connected with the smart docking seat 31, the locking knob 5 is arranged on the threaded boss 7, and a screw anti-loosening hole 8 is arranged on the threaded boss 7.
[0022] The smart component 2 includes a smart ring 21, a smart light-transmitting ring 22 is arranged on one side of the smart ring 21, the smart light-transmitting ring 22 is fixedly connected with the smart ring 21, a smart ring binding strap groove 23 is arranged on the other side of the smart ring 21, a clamping opening 34 is arranged on the grinding rod seat 33, and a clamping screw 35 is arranged on the grinding rod seat 33 and is threadedly connected with the grinding rod seat 33.
[0023] The hip joint holder is provided with the mechanical arm calibration identification frame, the current position of the mechanical arm calibration identification frame can be tracked in real time by cooperating with the NDI, the mechanical arm calibration identification frame is inserted into the identification frame mounting groove arranged on the hip joint holder, the mechanical arm calibration identification frame is tightly pressed by the locking knob, and the stability of the mechanical arm calibration identification frame is maintained. When the mechanical arm calibration identification frame is not used, the locking knob can be loosened, and the mechanical arm calibration identification frame can be pulled out. In order to prevent the locking knob from being pulled out of the hip joint holder, the screw anti-loosening hole is arranged on the hip joint holder, the anti-loosening screw is arranged in the screw anti-loosening hole, and the anti-loosening screw can prevent the locking knob from being pulled out of the hip joint holder.
[0024] The smart ring is provided with the smart ring light-transmitting ring, the light of the lamp strip can be transmitted out, and the current state (such as a free dragging state, a plane keeping state, a straight line keeping state and the like) of the mechanical arm can be displayed by using the light color of the lamp;
[0025] The smart ring is provided with the smart ring binding strap groove, when the sterile cover is sleeved, the binding strap is fixed in the groove, the binding strap is prevented from falling off, and the sterile space is prevented from being contacted with the bacteria-containing substance.
[0026] The hip joint gripper is fixed by the mechanical arm, and a flexible assembly is installed between the hip joint gripper and the mechanical arm, so that the depth and intensity of grinding can be effectively controlled, and the size of the grinding acetabulum is greatly improved; the flexible ring is provided with a cable slot, and when the sterile cover is sleeved, the cable can be fixed in the slot to prevent the cable from falling off and avoid the contact between the sterile space and the bacteria-containing substances.
[0027] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A hip joint holding device for use in a hip replacement surgery navigation system, characterized in that, Including mechanical arm, nimble assembly and hip joint holder, nimble assembly both ends are fixedly connected with mechanical arm and hip joint holder respectively, hip joint holder includes nimble docking seat, nimble docking seat is provided with holding rod, holding rod is fixedly connected with nimble docking seat, holding rod free end is provided with grinding rod seat, grinding rod seat is fixedly connected with holding rod.
2. The hip holding device for use in a hip replacement surgery navigation system according to claim 1, wherein The nimble docking seat is provided with a mechanical arm calibration mark frame, which is detachably connected with the nimble docking seat.
3. The hip holding device for use in a hip replacement surgery navigation system according to claim 2, wherein The nimble docking seat is provided with an identification frame mounting groove, and the nimble docking seat is provided with a locking knob at a position corresponding to the identification frame.
4. The hip holding device for use in a hip replacement surgery navigation system according to claim 3, wherein The nimble docking seat is provided with a threaded boss, the threaded boss is fixedly connected with the nimble docking seat, the locking knob is arranged on the threaded boss, and the threaded boss is provided with a screw anti-loosening hole.
5. The hip holding device for use in a hip replacement surgery navigation system according to any one of claims 1 to 4, characterized in that The nimble assembly includes a nimble ring, one side of the nimble ring is provided with a nimble light transmission ring, the nimble light transmission ring is fixedly connected with the nimble ring, the other side of the nimble ring is provided with a nimble ring ribbon slot.
6. The hip holding device for use in a hip replacement surgery navigation system according to any one of claims 1 to 4, characterized in that The grinding rod seat is provided with a clamping opening, the grinding rod seat is provided with a clamping screw, and the clamping screw is threadedly connected with the grinding rod seat.