Wrist joint fixing device for orthopedic surgery
By designing a multifunctional orthopedic surgical wrist joint fixation device, the problems of insufficient stability and inflexible adjustment of existing devices have been solved, achieving stable fixation of the arm and fingers and improving the operational stability and safety of the surgery.
Patent Information
- Application Number
- CN202520122673.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-01-20
AI Technical Summary
Existing wrist joint fixation devices lack stability and flexibility in orthopedic surgery, which may lead to unstable surgical procedures. Furthermore, prolonged use can cause pressure on patients, affecting surgical outcomes and safety.
An orthopedic surgical wrist joint fixation device was designed, comprising a fixed base plate, a universal arm, a supporting vertical rod, a finger fixation component, and an arm fixation component. Through the flexible adjustment of the height adjustment component and the finger fixation component, combined with the stable structure of the arm fixation component, the stability and comfort of the patient's arm and fingers are ensured.
It achieves stable fixation of the arm and fingers, adapts to different patient body types, improves the stability and safety of the operation, reduces the pressure on the patient, and improves the efficiency of the operation.
Smart Images

Figure CN223799911U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical equipment technical field, concretely is orthopedic surgery wrist joint fixing device. BACKGROUND
[0002] In the orthopedic surgery related to wrist joint, the palm and arm of the patient need to keep a specific posture, so that the surgical instruments and arthroscope can be accurately operated to the affected area, thereby ensuring the effect and safety of the operation. Therefore, a wrist joint fixing device is usually used during the operation to provide stable support and traction. However, the existing wrist joint fixing method is relatively single, and the patient's arm is usually fixed on the support by using a strap, which has limited stability and is prone to instability during the operation, affecting the operation effect. In addition, the existing device lacks flexibility in the fixation and adjustment of fingers and arms, and it is difficult to adapt to the body types of different patients and intraoperative requirements, and the adjustment process is time-consuming and laborious, which reduces the operation efficiency. In addition, the current fixing device may cause great compression to the patient's arm and fingers for a long time, which may lead to related surgical complications and harm to the patient.
[0003] Therefore, it is necessary to provide an orthopedic surgery wrist joint fixing device to solve the above problems. SUMMARY
[0004] In view of the deficiencies of the prior art, the utility model provides an orthopedic surgery wrist joint fixing device to solve the problems mentioned in the background.
[0005] The utility model provides the following technical scheme: an orthopedic surgery wrist joint fixing device, comprising a fixed bottom plate, a fixed seat is arranged on one side of the upper end surface of the fixed bottom plate, a universal arm is arranged on the upper end of the fixed seat, a supporting vertical rod is arranged on the upper end of the universal arm, a height adjusting assembly is arranged on the supporting vertical rod, a finger fixing assembly is arranged on one side of the supporting vertical rod and below the height adjusting assembly, and an arm fixing assembly is arranged outside the fixed seat.
[0006] The arm fixing assembly comprises a threaded rod, and the threaded rod is rotatably arranged on the back surface of the fixed seat.
[0007] Preferably, the height adjusting assembly comprises a sliding sleeve, a fastening knob and a horizontal rod, the sliding sleeve is slidably sleeved on the outer surface of the supporting vertical rod, one end of the horizontal rod is fixedly connected with the sliding sleeve, and the horizontal rod is located directly above the fixed bottom plate.
[0008] Preferably, one end of the sliding sleeve away from the horizontal rod is threadedly connected with the fastening knob, a plurality of limiting grooves are equidistantly arranged on the outer surface of the horizontal rod, and a lifting ring is arranged on the horizontal rod through the limiting grooves.
[0009] Preferably, the finger fixing assembly comprises a tension cylinder, a hanging plate, a pearl chain and a finger sleeve, the upper end of the tension cylinder is connected with a lifting ring, the hanging plate is arranged at the lower end of the tension cylinder, a plurality of limiting clamping grooves are equidistantly arranged on the hanging plate, the pearl chain is clamped on the hanging plate through the limiting clamping grooves, and the finger sleeve is arranged at the lower end of the pearl chain.
[0010] Preferably, the arm fixing assembly further comprises side fixing plates, limiting sliding rods and a connecting plate, the two side fixing plates are arranged on the two sides of the fixing base respectively, the side fixing plates are provided with through holes, and the two limiting sliding rods are connected with the connecting plate through the through holes.
[0011] Preferably, the limiting sliding rods are slidably connected with the side fixing plates, the threaded rods are threadedly connected with the connecting plate, one end of the threaded rods is rotatably connected with the fixing base, the end of the threaded rods away from the fixing base is provided with a handle, the outer surfaces of the two ends of the limiting sliding rods away from the connecting plate are both sleeved with limiting discs, and the end faces of the two ends of the limiting sliding rods away from the connecting plate are both provided with convex shafts.
[0012] Preferably, the limiting pressure plates are arranged on the convex shafts, the one end of the limiting pressure plates is provided with a clamping groove, the end of the limiting pressure plates away from the clamping groove is provided with a shaft hole, the one end of the limiting pressure plates is rotatably connected with the convex shafts through the shaft hole, the limiting pressure plates are clamped with the other convex shafts through the clamping grooves, the outer surfaces of the convex shafts close to the clamping grooves are threadedly connected with fastening nut sleeves in front ends, and the inner sides of the limiting pressure plates are provided with soft pads.
[0013] Preferably, the upper end surfaces of the fixing base plates and located on the inner side of the fixing base are provided with support pads, and the upper end surfaces of the fixing base plates and located on the two sides of the fixing base are provided with fixing holes.
[0014] Compared with the prior art, the orthopedic surgery wrist joint fixing device has the following beneficial effects:
[0015] 1. The orthopedic surgery wrist joint fixing device, through the arm fixing assembly, the fastening nut sleeve is loosened, the limiting pressure plate is opened by rotating, the patient lies on the hospital bed, the upper arm is placed on the support pad, the lower arm is erected between the two limiting sliding rods, then the limiting pressure plate is lowered by rotating again, and the fastening nut sleeve is tightened, when the connecting plate moves away from the fixing base along the threaded rod, the limiting sliding rods move synchronously, and the limiting pressure plate and the soft pad press the patient's arm, so that the position of the patient's arm is stable, the operation is simple, and the safety is high.
[0016] 2. The orthopedic surgery wrist joint fixing device, through the hanging plate, a plurality of pearl chains and finger sleeves can be hung, the fingers are inserted into the finger sleeves, the fingers of the patient can be effectively limited and pulled, and the operation is facilitated. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1This is one of the schematic diagrams of the overall structure of the orthopedic surgical wrist joint fixation device of this utility model;
[0018] Figure 2 This is the second schematic diagram of the overall structure of the orthopedic surgical wrist joint fixation device of this utility model;
[0019] Figure 3 This is a partial structural diagram of the orthopedic surgical wrist joint fixation device of this utility model;
[0020] Figure 4 This is a schematic diagram of the arm fixing component of this utility model;
[0021] Figure 5 This is a schematic diagram of the installation structure of the limiting pressure plate of this utility model.
[0022] In the diagram: 1. Fixed base plate; 2. Fixed seat; 3. Universal arm; 4. Support pad; 5. Supporting vertical rod; 6. Height adjustment assembly; 601. Sliding sleeve; 602. Fastening knob; 603. Horizontal bar; 604. Lifting ring; 7. Fastening nut sleeve; 8. Finger fixing assembly; 801. Pull cylinder; 802. Hanging plate; 803. Bead chain; 804. Finger sleeve; 9. Arm fixing assembly; 901. Side fixing plate; 902. Limiting slide rod; 903. Connecting plate; 904. Threaded rod; 905. Limiting plate; 906. Convex shaft; 907. Limiting pressure plate; 908. Slot; 909. Soft pad. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0024] Please see Figures 1-5 The orthopedic surgical wrist joint fixation device includes a fixation base plate 1, a fixation seat 2 is provided at the middle of one side of the upper surface of the fixation base plate 1, a universal arm 3 is provided at the upper end of the fixation seat 2, a support vertical rod 5 is provided at the upper end of the universal arm 3, a height adjustment component 6 is provided on the support vertical rod 5, a finger fixation component 8 is provided on one side of the support vertical rod 5 and at the lower end of the height adjustment component 6, and an arm fixation component 9 is provided on the outside of the fixation seat 2.
[0025] The arm fixing assembly 9 includes a threaded rod 904, which is rotatably mounted on the back of the fixing base 2.
[0026] The height adjusting assembly 6 comprises a sliding sleeve 601, a fastening knob 602 and a cross rod 603, the sliding sleeve 601 is sleeved on the outer surface of the supporting vertical rod 5, the cross rod 603 is fixedly connected to the sliding sleeve 601 at one end and located directly above the fixed base plate 1, the end, away from the cross rod 603, of the sliding sleeve 601 is threadedly connected to the fastening knob 602, a plurality of limiting grooves are equidistantly formed on the outer surface of the cross rod 603, a lifting ring 604 is arranged on the cross rod 603 through the limiting grooves, the sliding sleeve 601 can move up and down along the supporting vertical rod 5 by loosening the fastening knob 602, and the cross rod 603 and the lifting ring 604 are synchronously moved during the movement of the sliding sleeve 601, so that the height of the finger fixing assembly 8 is effectively adjusted, and people with different body shapes can use it.
[0027] The finger fixing assembly 8 comprises a tension cylinder 801, a hanging plate 802, a pearl chain 803 and a finger sleeve 804, the upper end of the tension cylinder 801 is connected to the lifting ring 604, the hanging plate 802 is arranged at the lower end of the tension cylinder 801, a plurality of limiting clamping grooves are equidistantly formed on the hanging plate 802, the pearl chain 803 is clamped on the hanging plate 802 through the limiting clamping grooves, and the finger sleeve 804 is arranged at the lower end of the pearl chain 803. The hanging plate 802 can be used for hanging a plurality of pearl chains 803 and finger sleeves 804, and the fingers of the patient can be effectively limited and pulled by inserting the fingers into the finger sleeve 804, so that the operation is facilitated.
[0028] The arm fixing assembly 9 further comprises side fixing plates 901, limiting sliding rods 902 and connecting plates 903, the side fixing plates 901 are provided in two, the two side fixing plates 901 are arranged on the two sides of the fixed seat 2, the side fixing plates 901 are provided with through holes, the limiting sliding rods 902 are provided in two, one end of the two limiting sliding rods 902 passes through the through holes and is connected to the connecting plates 903, the limiting sliding rods 902 are slidingly connected to the side fixing plates 901, the threaded rods 904 are threadedly connected to the connecting plates 903, one end of the threaded rods 904 is rotatably connected to the fixed seat 2, the end, away from the fixed seat 2, of the threaded rods 904 is provided with a handle, the outer surfaces of the ends, away from the connecting plates 903, of the two limiting sliding rods 902 are both sleeved with limiting discs 905, the end faces of the ends, away from the connecting plates 903, of the two limiting sliding rods 902 are both provided with convex shafts 906, the connecting plates 903 are moved back and forth along the horizontal direction of the threaded rods 904 by rotating the handle to drive the threaded rods 904 to rotate and under the limiting action of the limiting sliding rods 902, and the limiting sliding rods 902 are synchronously moved during the movement of the connecting plates 903.
[0029] Wherein, the convex shaft 906 is provided with a limiting pressing plate 907, the limiting pressing plate 907 is provided with a clamping groove 908 at one end, the limiting pressing plate 907 is provided with a shaft hole at the end away from the clamping groove 908, the limiting pressing plate 907 is rotatably connected with the convex shaft 906 through the shaft hole at one end, the limiting pressing plate 907 is clamped with another convex shaft 906 through the clamping groove 908, the convex shaft 906 is screw-connected with a fastening nut sleeve 7 at the front end of the outer surface close to the clamping groove 908, the inner side of the limiting pressing plate 907 is provided with a soft pad 909, the fastening nut sleeve 7 is loosened, the limiting pressing plate 907 is rotated and opened, the patient lies flat on the bed, the upper arm is placed flat on the supporting pad 4, the lower arm is erected between the two limiting sliding rods 902, then the limiting pressing plate 907 is rotated and put down again, and the fastening nut sleeve 7 is tightened, when the connecting plate 903 moves along the threaded rod 904 to the side away from the fixed base 2, the limiting sliding rod 902 moves synchronously, and the limiting pressing plate 907 and the soft pad 909 pull and press the patient's arm, so that the position of the patient's arm is stable, the operation is simple, and the safety is high.
[0030] Wherein, the fixed base 2 is provided with a supporting pad 4 on the upper end surface and inside the fixed base 2, and the fixed base 2 is provided with a fixed hole on the upper end surface and on both sides of the fixed base 2, the supporting pad 4 can be used to support the upper arm of the patient, so as to ensure the comfort of the patient, and the fixed hole can facilitate the installation of the fixed base 1.
[0031] Working principle, the fastening nut sleeve 7 is loosened, the limiting pressing plate 907 is rotated and opened, the patient lies flat on the bed, the upper arm is placed flat on the supporting pad 4, the lower arm is erected between the two limiting sliding rods 902, then the limiting pressing plate 907 is rotated and put down again, and the fastening nut sleeve 7 is tightened, the threaded rod 904 is rotated by rotating the handle, and under the limiting action of the limiting sliding rod 902, the connecting plate 903 moves back and forth along the threaded rod 904 in the horizontal direction, the connecting plate 903 can drive the limiting sliding rod 902 to move synchronously during the movement of the connecting plate 903, when the connecting plate 903 moves along the threaded rod 904 to the side away from the fixed base 2, the limiting sliding rod 902 moves synchronously, and the limiting pressing plate 907 and the soft pad 909 pull and press the patient's arm, so that the position of the patient's arm is stable, the operation is simple, and the safety is high.
[0032] Further, the sleeve 601 can move up and down along the supporting vertical rod 5 by loosening the fastening knob 602, and then the sleeve 601 drives the horizontal rod 603 and the hanging ring 604 to move synchronously during the movement of the sleeve 601, so as to effectively adjust the height of the finger fixing assembly 8, and adapt to people of different sizes, the hanging plate 802 is provided, which can be used to hang multiple bead chains 803 and finger sleeves 804, by inserting the fingers into the finger sleeves 804, the patient's fingers can be effectively limited and pulled, so as to facilitate the wrist joint operation.
[0033] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An orthopaedic surgical wrist immobilization device, characterized in that, The utility model provides a kind of fixed base plate (1), the fixed base plate (1) upper end surface one side middle end is provided with fixed seat (2), the fixed seat (2) upper end is provided with universal arm (3), the universal arm (3) upper end is provided with support vertical pole (5), the support vertical pole (5) is provided with height adjustment assembly (6) on, the support vertical pole (5) one side and located height adjustment assembly (6) lower end is provided with finger fixing assembly (8), the fixed seat (2) outside is provided with arm fixing assembly (9); The arm fixing assembly (9) includes a threaded rod (904), which is rotatably arranged on the back of the fixed seat (2).
2. The orthopedic surgical wrist immobilization device of claim 1, wherein, The height adjustment assembly (6) includes a sliding sleeve (601), a fastening knob (602) and a crossbar (603). The sliding sleeve (601) is slidably sleeved on the outer surface of the support vertical pole (5). One end of the crossbar (603) is fixedly connected with the sliding sleeve (601) and located directly above the fixed base plate (1).
3. The orthopedic surgical wrist immobilization device of claim 2, wherein, The end of the sliding sleeve (601) away from the crossbar (603) is threadedly connected with the fastening knob (602). A plurality of limiting grooves are equidistantly formed on the outer surface of the crossbar (603). A lifting eye (604) is arranged on the crossbar (603) through the limiting grooves.
4. The orthopaedic surgical wrist immobilization device of claim 3, wherein, The finger fixing assembly (8) includes a tension cylinder (801), a hanging plate (802), a pearl chain (803) and a finger sleeve (804). The tension cylinder (801) is connected with the lifting eye (604) at the upper end. The hanging plate (802) is arranged at the lower end of the tension cylinder (801). A plurality of limiting clamping grooves are equidistantly formed on the hanging plate (802). The pearl chain (803) is clamped on the hanging plate (802) through the limiting clamping grooves. The finger sleeve (804) is arranged at the lower end of the pearl chain (803).
5. The orthopedic surgical wrist immobilization device of claim 1, wherein, The arm fixing assembly (9) further includes side fixed plates (901), limiting sliding rods (902) and connecting plates (903). Two side fixed plates (901) are arranged on the two sides of the fixed seat (2). Perforations are formed in the side fixed plates (901). Two limiting sliding rods (902) are arranged. One end of the two limiting sliding rods (902) passes through the perforations and is connected with the connecting plates (903).
6. The orthopaedic surgical wrist immobilization device of claim 5, wherein, The limiting sliding rods (902) are slidably connected with the side fixed plates (901). The threaded rod (904) is threadedly connected with the connecting plates (903). One end of the threaded rod (904) is rotatably connected with the fixed seat (2). The end of the threaded rod (904) away from the fixed seat (2) is provided with a handle. Limiting discs (905) are sleeved on the outer surfaces of the ends of the two limiting sliding rods (902) away from the connecting plates (903). Convex shafts (906) are arranged on the end faces of the ends of the two limiting sliding rods (902) away from the connecting plates (903).
7. The orthopedic surgical wrist immobilization device of claim 6, wherein, The convex shaft (906) is provided with a limiting pressing plate (907), one end of the limiting pressing plate (907) is provided with a clamping groove (908), the end of the limiting pressing plate (907) away from the clamping groove (908) is provided with a shaft hole, one end of the limiting pressing plate (907) is rotationally connected with the convex shaft (906) through the shaft hole, the limiting pressing plate (907) is clamped with the other convex shaft (906) through the clamping groove (908), the outer surface of the convex shaft (906) close to the clamping groove (908) is threadedly connected with a fastening nut sleeve (7) at the front end, and the inner side of the limiting pressing plate (907) is provided with a soft pad (909).
8. The orthopedic surgical wrist immobilization device of claim 1, wherein, The upper end surface of the fixed bottom plate (1) and located on the inner side of the fixed seat (2) is provided with a supporting pad (4), and the upper end surface of the fixed bottom plate (1) and located on both sides of the fixed seat (2) is provided with a fixed hole.