Adjustable leg nursing appliance
By designing an adjustable leg care device, which combines an electric push rod and an airbag strip, precise reduction and fixation of the fracture site are achieved, solving the problem that traditional devices are difficult to fit the affected area and improving the fracture healing effect.
Patent Information
- Application Number
- CN202422189910.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-06
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-09-06
AI Technical Summary
Traditional fracture reduction methods are inconvenient to operate, and the fixed-size fixation devices are difficult to fit the affected area, which affects the healing effect and may lead to delayed healing or nonunion of the fracture.
An adjustable leg care device was designed, including an upper support, a lower support, and a sleeve. Through the combination of an electric push rod, an arc plate, and an airbag strip, it provides multi-degree-of-freedom adjustment and positive pressure to achieve precise reduction and fixation of fracture sites.
It improves the accuracy and stability of fracture reduction, reduces the impact of activity during surgery, and promotes fracture healing.
Smart Images

Figure CN223438702U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to orthopedics nursing equipment technical field, specifically adjustable leg nursing appliance. BACKGROUND
[0002] The femur is the longest and largest weight-bearing bone in the human body, and femoral shaft fracture is a common high-energy injury of lower limbs. The functional recovery time is long, and improper treatment can cause lower limb deformity and dysfunction, bringing a huge burden to the family. The traditional fracture reduction methods mainly include closed reduction and open reduction. Closed reduction adopts manual or instrument traction reduction, which may cause postoperative misalignment of the fractured bone, poor reduction effect, affect bone healing, open reduction surgery has a large incision, which easily leads to large-scale soft tissue injury, affects blood supply of the fracture, causes delayed healing of the fracture, and even may not heal.
[0003] With the development of the society and the progress of medical instrument technology, during the leg surgery in the orthopedics department, the leg of the patient usually needs to be stably supported through a leg auxiliary fixing device, so as to assist the surgery. When the leg orthopedic surgery is traction correction and fixation, the medical staff usually manually presses, which is inconvenient to operate and has high working strength. In addition, the commonly used leg fixing device is of fixed size and cannot be adaptively adjusted according to the needs of the affected part of the patient, so that it is difficult to fit the affected part and affects the healing effect. UTILITARY MODEL CONTENT
[0004] Therefore, the utility model wants to solve the technical problem to provide a kind of adjustable leg nursing appliance, and upper support and lower support form the clamping device structure to the fracture site, sleeve is combined with the patient's leg under the action of adjusting part, and upper support is formed by the adjustment of connecting piece to the axial traction force of fracture site, to provide the maximum direction of reduction force, and upper support, lower support and sleeve cooperate to form coarse adjustment and fine adjustment to the affected part, improve the accuracy of reduction.
[0005] To solve the above technical problems, the utility model provides the following technical scheme:
[0006] A kind of adjustable leg nursing appliance, including upper support and lower support, the upper support is movably connected to the lower support by connecting piece, the upper support is provided with upper through slot in the direction of central axis, the lower support is provided with lower through slot in the direction of central axis, and the upper through slot and lower through slot are respectively connected with sleeve.
[0007] Further, the connecting piece includes 2-6 electric push rods, the input end of the electric push rod is movably connected to the limiting seat on the upper end face of the lower support by a universal joint, the output end of the electric push rod is movably connected to the limiting seat on the lower end face of the upper support by a universal joint, and the electric push rod is inclinedly arranged between the upper support and the lower support.
[0008] Further, the sleeve comprises three corresponding arc-shaped plates, the three arc-shaped plates are sequentially connected to form a cylindrical structure, and the inner side wall of the arc-shaped plate is provided with air bag strips uniformly arranged.
[0009] Further, the inner side wall of the upper support has a cavity, the cavity of the inner side wall of the upper support is provided with an adjusting member corresponding to the arc-shaped plate, the arc-shaped plate is connected to the upper support through the adjusting member, and the relative position of the arc-shaped plate in the upper through groove is adjusted through the adjusting member.
[0010] Further, the adjusting member comprises an upper plate arranged at the top of the inner side wall of the upper support and a lower plate arranged at the bottom of the inner side wall of the upper support, the upper plate and the lower plate are connected through two parallel columns, and the upper plate is further provided with a lead screw between the two columns.
[0011] A stroke frame that can slide relative to the columns is arranged on the two columns, and the stroke frame is connected to the lead screw through a nut.
[0012] Further, the stroke frame is connected to the back side of the arc-shaped plate through a pull rod, one end of the pull rod is hingedly connected to the stroke frame, and the other end of the pull rod is hingedly connected to the back side of the arc-shaped plate.
[0013] The technical scheme of the utility model has the following beneficial technical effects:
[0014] 1. The adjustable leg nursing appliance, the upper support, the lower support and the connecting piece form multi-degree-of-freedom adjustment, provide a larger internal space and a longer telescopic stroke for leg fixation of orthopedic patients, thereby completing accurate reduction of fracture ends and facilitating treatment and nursing work of medical staff.
[0015] 2. The adjustable leg nursing appliance, the air bag strip expands in the inflated state, can exert positive pressure on the affected limb in contact therewith, and can slightly adjust the displacement reduction of the affected part to adapt to fractures at different positions of the bone shaft.
[0016] 3. The adjustable leg nursing appliance, the upper support and the lower support form a clamp structure for the fracture site, play a role in fixing the fracture segment, the sleeve is attached to the leg of the patient under the action of the adjusting member, the upper support forms an axial traction force for the fracture site through the adjustment of the connecting piece, provides a maximum direction for the reduction force, the upper support, the lower support and the sleeve cooperate to form coarse adjustment and fine adjustment of the affected part, provide sufficient continuous reduction force to assist the doctor to complete fracture reduction and maintain, and improve the accuracy of reduction. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1The utility model discloses a structure schematic diagram of adjustable leg nursing appliance,
[0018] Figure 2 The utility model discloses a structure schematic diagram of adjustable leg nursing appliance,
[0019] Figure 3 The utility model discloses a structure schematic diagram of adjustable leg nursing appliance,
[0020] The figure mark shows: 1, upper support, 2, lower support, 3, upper through -groove, 4, lower through -groove, 5, electric push rod, 6, limit seat, 7, sleeve, 71, arc plate, 72, air bag strip, 8, upper plate, 9, lower plate, 10, stand, 11, screw rod, 12, stroke frame, 13, pull rod. DETAILED DESCRIPTION
[0021] The utility model discloses a kind of adjustable leg nursing appliances, as shown in Figure 1 The upper support 1 is movably connected to the lower support 2 by a connecting member, the lower support 2 forms a fixed platform, and the upper support 2 forms a movable platform relative to the lower support 1. The connecting member includes six electric push rods 5. The input end of the electric push rod 5 is movably connected to the limit seat 6 on the upper end surface of the lower support 2 through a universal joint, and the output end of the electric push rod 5 is movably connected to the limit seat 6 on the lower end surface of the upper support 1 through a universal joint. The limit seat 6 is fixed on the upper support 1, and can adopt a U-shaped substructure. The electric push rod 5 is inclinedly arranged between the upper support 1 and the lower support 2. The six electric push rods 5 are sequentially limited on the upper support 1. The bottom end of the electric push rod 5 is limited on the lower support 2. One end of the telescopic rod of the electric push rod 5 is limited at the adjacent electric push rod 5. This reduces the interference risk of the adjacent two electric push rods 5 during rotation, so as to obtain a larger internal space and a longer telescopic rod stroke, which is beneficial for medical staff to carry out treatment and nursing work.
[0022] In combination with Figure 2 and Figure 3The upper support 1 is provided with an upper through groove 3 penetrating the upper support 1 along the central axis of the upper support 1, and the lower support 2 is provided with a lower through groove 4 penetrating the upper support 1 along the central axis of the lower support 2, and the upper through groove 3 and the lower through groove 4 are respectively connected with sleeves 7 suspended relative to the upper through groove 3 and the lower through groove 4, and the sleeve 7 is taken as an example, the sleeve 7 comprises three corresponding arc-shaped plates 71, the three arc-shaped plates 71 are mutually openable and closable, the open and close turning positions are provided with hinge structures, the open and close positions are provided with buckles, the adjacent sides of the three arc-shaped plates 71 are detachably corresponding, the three arc-shaped plates 71 are sequentially connected to form a cylindrical structure wrapped outside the leg, the inner side wall of the arc-shaped plate 71 is provided with air bag strips 72 uniformly spaced, the sleeve 7 is thick at the top and thin at the bottom, and is matched with the shape of the leg, the sleeve 7 covers the affected limb, the sleeve 7 is tightly buckled outside by self-adhesive tape, the combination position of the arc-shaped plate 71 support can be adjusted according to the thickness of the patient's leg, the patient's leg can be fixed, the leg movement during the operation is effectively prevented, the air compressor is a common equipment in the hospital operating room and is also a power source for providing air bag inflation deformation, the air bag strip 72 is inflated and expanded in volume, and can apply positive pressure to the affected limb, the sleeve 7 bears the air bag strip 72 during the operation and serves as a support structure for outputting the reset force of the air bag strip 72, the function determines that the sleeve 7 should have very high strength, therefore, the sleeve 7 is made of carbon fiber material, can prevent shielding of X-rays, and is convenient for timely observation and correction of the recovery condition of the patient.
[0023] The inner side wall of the upper support 1 is provided with a cavity communicated with the upper through groove 3, the cavity is recessed in the inner side wall of the upper support 1, the inner side wall of the upper support 1 is provided with an adjusting member corresponding to the arc-shaped plate 71, the arc-shaped plate 71 is connected with the upper support 1 through the adjusting member, and the relative position of the arc-shaped plate 71 in the upper through groove 3 is adjusted through the adjusting member.
[0024] Specifically, the adjusting member includes an upper plate 8 arranged at the top of the cavity of the inner side wall of the upper support 1 and a lower plate 9 arranged at the bottom of the cavity of the inner side wall of the upper support 1, the upper plate 8 and the lower plate 9 are symmetrically fixed in the upper support 1 respectively, the upper plate 8 and the lower plate 9 are connected through two parallel columns 10, the columns 10 are arranged along the vertical axis of the upper support 1, the upper plate 8 is further provided with a lead screw 11 between the two columns 10 and at the bottom of the lower plate 9, two stroke frames 12 are sleeved on the columns 10 and can slide relative to the columns 10, the stroke frames 12 are connected with the lead screw 11 through nuts corresponding to the lead screw 11, the stroke frames 12 and the lead screw 11 form a ball screw pair structure, the sliding of the stroke frames 12 on the columns 10 can increase the stability of the displacement, the stroke frames 12 are connected with the back side of the arc-shaped plate 71 through a pull rod 13, one end of the pull rod 13 is hingedly connected with the stroke frame 12, the other end of the pull rod 13 is hingedly connected with the back side of the arc-shaped plate 71, the displacement of the stroke frame 12 on the lead screw 11 can drive the pull rod 13 and the corresponding arc-shaped plate 71 to adjust in the height direction, the three arc-shaped plates 72 are matched with each other between the corresponding adjusting members, the synchronous lifting of the three adjusting members in the height position can adjust the change of the position of the sleeve in the height direction, the change of the position of the sleeve 7 in the horizontal direction can be adjusted when one adjusting member is displaced and the other two adjusting members are not moved, the position of the sleeve 7 in the horizontal direction can be adjusted through the change of the position of the sleeve 7 in the height direction and the horizontal direction, so that the sleeve 7 is more fitted with the affected part of the patient's leg.
[0025] In the process of assisting the patient to correct and reset the fracture site by the nursing appliance, the fracture end is displaced and deformed under the action of external force and muscle contraction force, and the muscle contraction force needs to be resisted to reset the fracture proximal and distal ends. The upper support 1 is sleeved on the fracture proximal end, the lower support 2 is sleeved on the fracture distal end, the upper support 1 and the lower support 2 form a clamp structure for the fracture site and play a role in fixing the fracture segment, each arc-shaped plate 71 of the sleeve 7 is fitted with the patient's leg under the action of the adjusting member, the displacement of the six degrees of freedom formed by the electric push rod 5 is adjusted by the driving connecting piece when resetting the fracture, the axial traction force of the fracture site is formed by observing the displacement information by CT scanning, the maximum direction of the resetting force is provided, the air bag strip 72 corresponding to the affected part is inflated according to the affected part to exert pressure on the affected part, and the affected part is slightly adjusted to adapt to the fracture at different positions of the bone shaft, the upper support, the lower support and the sleeve cooperate to form coarse adjustment and fine adjustment of the affected part, and the accuracy of resetting is improved.
[0026] Obviously, the above embodiments are only examples for clearly illustrating but not limiting the embodiments. Other different forms of changes or variations can be made on the basis of the above description for those skilled in the art. All the embodiments do not need to be exhausted and cannot be exhausted. The changes or variations derived therefrom are still within the protection scope of the patent application claims.
Claims
1. An adjustable leg care appliance, characterized in that: The invention comprises an upper support (1) and a lower support (2), wherein the upper support (1) is movably connected to the lower support (2) via a connecting piece, an upper through groove (3) penetrating the upper support (1) is provided in the direction of the central axis of the upper support (1), and a lower through groove (4) penetrating the upper support (1) is provided in the direction of the central axis of the lower support (2), and sleeves (7) are respectively connected to the upper through groove (3) and the lower through groove (4).
2. The leg care appliance according to claim 1, characterized in that The connecting member includes 2-6 electric push rods (5), the input end of the electric push rod (5) is movably connected to the limit seat (6) on the upper end surface of the lower support (2) through a universal joint, the output end of the electric push rod (5) is movably connected to the limit seat (6) on the lower end surface of the upper support (1) through a universal joint, and the electric push rod (5) is arranged at an angle between the upper support (1) and the lower support (2).
3. The leg care appliance according to claim 1, characterized in that The sleeve (7) comprises three corresponding arc-shaped plates (71), and the three arc-shaped plates (71) are sequentially joined to form a cylindrical structure. The inner side walls of the arc-shaped plates (71) are provided with airbag strips (72) with uniform intervals.
4. The leg care appliance according to claim 3, characterized in that The inner side wall of the upper support (1) has a cavity connected to the upper through groove (3); an adjusting member corresponding to the arc plate (71) is provided in the cavity of the inner side wall of the upper support (1); the arc plate (71) is connected to the upper support (1) via the adjusting member; and the relative position of the arc plate (71) in the upper through groove (3) is adjusted by the adjusting member.
5. The leg care appliance according to claim 4, characterized in that The adjusting member comprises an upper plate (8) arranged at the top of the inner side wall of the upper support (1) and a lower plate (9) arranged at the bottom of the inner side wall of the upper support (1), wherein the upper plate (8) and the lower plate (9) are connected via two parallel columns (10), and a screw rod (11) located between the two columns (10) is further provided at the bottom of the upper plate (8) facing the lower plate (9); A travel frame (12) is sleeved on the two upright posts (10) and is slidably displaced relative to the upright posts (10). The travel frame (12) is adaptively connected to the screw rod (11) via a nut at a position corresponding to the screw rod (11).
6. The leg care appliance according to claim 5, characterized in that The travel frame (12) is connected to the back side of the arc plate (71) through a pull rod (13), one end of the pull rod (13) is hinged to the travel frame (12), and the other end of the pull rod (13) is hinged to the back side of the arc plate (71).