Calcaneus traction device
By combining a support plate, a traction device, and a lifting device, the problems of unstable traction force and patient discomfort in existing calcaneal traction devices are solved, achieving constant traction force and a comfortable calcaneal traction effect.
Patent Information
- Application Number
- CN202422488197.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-15
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-10-15
AI Technical Summary
Existing calcaneal traction devices suffer from problems such as swaying traction ropes, unstable traction force, large space requirements, and increased patient discomfort and comfort due to the use of electric drills to penetrate the bone.
The device employs a support plate, traction device, and lifting device. Parallel traction is achieved through a traction bow assembly and traction rope. The traction force is adjusted using a hand-cranked screw, and the magnitude of the traction force is determined by a tension gauge. The height of the support plate is adjusted using a scissor-type lifting structure to adjust the placement of the lower legs.
It achieves constant traction force, reduces patient discomfort, simplifies operation, and improves the stability of the traction device and patient comfort.
Smart Images
Figure CN223453297U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of medical equipment, especially relates to a calcaneus traction device. BACKGROUND
[0002] Bone traction is a common method for temporarily fixing the fracture site of the patient's limbs, and calcaneus traction is an important means suitable for calf fracture, tibial unstable fracture, tibial plateau fracture and ankle comminuted fracture. The calcaneus traction in the prior art uses a drill to screw into the positioning point of the patient's calcaneus until the bilateral bones are screwed through from the lateral side of the calcaneus and the other side of the skin, and then the two ends of the bone traction needle are connected with the bone traction bow, the bone traction bow is connected with the traction rope, the traction rope passes through the pulley arranged on the bed, and the other end of the traction rope is connected with a weight or a counterweight.
[0003] When the existing calcaneus traction is performed, one end of the traction rope is suspended with a weight or a heavy object, which occupies space and is easily shaken or swung by people walking back and forth in the ward, thereby affecting the calcaneus traction site. Moreover, the traction rope starts from the traction bow, passes over the pulley upwardly and then falls down due to the weight, the traction bow has an included angle with the lying patient, and the horizontal force of the set weight or heavy object is the real traction force after force decomposition, but the calcaneus traction force is smaller than the weight of the weight or heavy object on the traction rope.
[0004] In the prior art, the drill is used to pass through the patient's calcaneus, which increases the physiological and psychological discomfort of the patient and the work of the medical staff. After the traction is set, the patient's calf is inconvenient to place, further increasing the patient's discomfort. It is urgent to provide a calcaneus traction device with simple structure, convenient operation, constant traction force and convenient calf placement for the technical personnel in the field. UTILITY MODEL CONTENTS
[0005] Therefore, the utility model provides a calcaneus traction device to solve the above problems.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0007] The application discloses a calcaneus traction device which comprises a support plate, a traction device and a lifting device, the traction device comprises a traction bow assembly, a traction rope, a traction plate, guide rods and a first hand screw rod, a threaded hole and a plurality of guide holes are arranged on the side wall of one end of the support plate, a plurality of the guide rods are symmetrically arranged on the side wall of the traction plate, the first hand screw rod penetrates through the middle of the traction plate and is rotationally connected with the traction plate, the guide rods respectively extend into the guide holes and are slidably connected with the guide holes, the first hand screw rod extends into the threaded hole and is threadedly connected with the threaded hole, one end of the traction rope is connected with the traction plate and the other end is connected with the traction bow assembly, the traction bow assembly is used for fixing the calcaneus of a patient, and the lifting device is arranged at the bottom end of the support plate.
[0008] Further, the traction bow assembly comprises a traction bow and self-tapping screws, the traction bow is provided with a first threaded pipe at both ends, and a pair of the self-tapping screws penetrates through the first threaded pipes and is threadedly connected with the first threaded pipes.
[0009] Further, the traction bow assembly further comprises a tension gauge, one end of the tension gauge is provided with a hook, the hook is used for hooking the traction bow, and the other end of the tension gauge is fixedly connected with the traction rope.
[0010] Further, the first hand screw rod is provided with a limiting ring, and the limiting ring is located on both sides of the traction plate.
[0011] Furthermore, the lifting device includes a base, a first support rod, a second support rod, a third support rod, a fourth support rod, a first hinge shaft, a second hinge shaft, a third hinge shaft, a fourth hinge shaft, a fifth hinge shaft and a second hand screw, the middle parts of the first support rod and the second support rod are rotatably connected to one end of the third hinge shaft, the middle parts of the third support rod and the fourth support rod are rotatably connected to the other end of the third hinge shaft, the first support rod and the second support rod are arranged crosswise, the third support rod and the fourth support rod are arranged crosswise, the first support rod and the fourth support rod are parallel to each other, the second support rod and the third support rod are parallel to each other, the first hinge shaft is fixed to the lower surface of the support plate, the first support rod and the The top end of the fourth support rod is rotatably connected to the two ends of the first hinge shaft respectively; the top ends of the second support rod and the third support rod are rotatably connected to the two ends of the second hinge shaft respectively, and a sliding groove is provided on the lower surface of the support plate, and the second hinge shaft is slidably connected to the sliding groove; the fourth hinge shaft is fixed to the upper surface of the base, and the bottom ends of the second support rod and the third support rod are rotatably connected to the two ends of the fourth hinge shaft respectively; the bottom ends of the first support rod and the fourth support rod are rotatably connected to the two ends of the fifth hinge shaft respectively; a second threaded tube is provided in the middle of the fifth hinge shaft, the second hand screw passes through the second threaded tube and is threadedly connected to the second threaded tube, and the second hand screw is rotatably connected to the upper surface of the base.
[0012] The beneficial effects of the present invention are:
[0013] The utility model fixes the two sides of the patient's calcaneus by threaded self-tapping screws on both sides of the traction bow, avoids the use of an electric drill to pass the bone traction needle through the calcaneus as a whole, reduces the patient's discomfort, and also reduces the work of medical staff; by shaking the first hand-cranked screw, the first hand-cranked screw extends outward from the threaded hole of the support plate, driving the traction plate to move toward the distal end of the calcaneus. During the process, the guide rod plays a guiding role, and the traction plate pulls the traction bow through the traction rope during the movement, thereby achieving traction of the calcaneus; the traction rope and the traction bow always remain parallel to the patient's calf, and no force decomposition occurs. The calcaneus traction force is adjusted by shaking the first hand-cranked screw; and the magnitude of the traction force can be determined by a dynamometer; the lifting device arranged at the bottom end of the support plate is a scissor-type lifting structure, and shaking the second hand-cranked screw helps to adjust the height of the support plate, thereby adjusting the placement of the patient's calf and alleviating the discomfort of the calf during traction. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the description of the embodiments or the prior art. Obviously, the drawings described below only illustrate a part of the embodiments of the present application, and are not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by the ordinary skilled in the art without any creative work are within the protection scope of the present application.
[0015] Figure 1 It is a perspective view of a calcaneus traction device. Figure 1 .
[0016] Figure 2 It is a front view of a calcaneus traction device.
[0017] Figure 3 It is a top view of a calcaneus traction device.
[0018] Figure 4 It is a perspective view of a calcaneus traction device. Figure 2 .
[0019] Figure 5 It is a perspective view of a support plate.
[0020] In the drawings:
[0021] 10-support plate, 11-threaded hole, 12-guide hole, 13-slotted, 21-traction bow assembly, 211-traction bow, 212-self tapping screw, 213-tension gauge, 2131-pull hook, 22-traction rope, 23-traction plate, 24-guide rod, 25-first hand screw rod, 251-limiting ring, 30-lifting device, 31-base, 32-first support rod, 33-second support rod, 34-third support rod, 35-fourth support rod, 36-first hinged shaft, 37-second hinged shaft, 38-third hinged shaft, 39-fourth hinged shaft, 310-fifth hinged shaft, 3101-second threaded tube, 311-second hand screw rod. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, and are not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by the ordinary skilled in the art without any creative work are within the protection scope of the present application.
[0023] Referring to the drawings Figures 1-5The utility model provides a calcaneus traction device, include: support plate 10, traction device and elevating gear 30, traction device includes traction bow assembly 21, traction rope 22, traction plate 23, guide rod 24 and first hand screw rod 25, the threaded hole 11 and a plurality of guide hole 12 are arranged on the one end side wall of support plate 10, a plurality of guide rods 24 are symmetrically installed on the side wall of traction plate 23, first hand screw rod 25 passes through the middle part of traction plate 23 and is rotationally connected with traction plate 23, a plurality of guide rods 24 respectively extend into guide hole 12 and are slidably connected with guide hole 12, first hand screw rod 25 extends into threaded hole 11 and is threadedly connected with threaded hole 11, one end of traction rope 22 is connected with traction plate 23, and the other end is connected with traction bow assembly 21, traction bow assembly 21 fixes the calcaneus of patient, and elevating gear 30 is installed at the bottom end of support plate 10.
[0024] When using, the calcaneus of patient is fixed by using traction bow assembly 21 two sides, then first hand screw rod 25 is shaken, first hand screw rod 25 extends outwards from the threaded hole 11 of support plate 10, drives traction plate 23 to move to the distal end of calcaneus, and guide rod 24 plays a guiding role in the process, traction plate 23 pulls traction bow 211 through traction rope 22 in the process of moving, thereby realizing the traction of calcaneus, and traction rope 22 and traction bow 211 always keep parallel with the lower leg of patient, so that force decomposition does not occur, and the calcaneus traction force is adjusted by shaking first hand screw rod 25.
[0025] Preferably, one embodiment, traction bow assembly 21 includes traction bow 211 and self tapping screw 212, both ends of traction bow 211 are provided with first threaded pipe, a pair of self tapping screw 212 passes through first threaded pipe oppositely and is threadedly connected with first threaded pipe. When using, traction bow 211 is placed on both sides of calcaneus, and self tapping screw 212 on both sides is rotated simultaneously, so that self tapping screw 212 abuts against both sides of calcaneus, avoiding the use of electric drill through calcaneus in traditional technology, and reducing the discomfort of patient.
[0026] Preferably, one embodiment, traction bow assembly 21 further includes tension meter 213, one end of tension meter 213 is provided with draw hook 2131, draw hook 2131 is used for hooking traction bow 211, the other end of tension meter 213 is fixedly connected with traction rope 22, and the size of traction force is explicitly set by tension meter 213.
[0027] Preferably, one embodiment, first hand screw rod 25 is provided with limit ring 251, limit ring 251 is located on both sides of traction plate 23, and limit ring 251 can prevent first hand screw rod 25 from axially moving when rotating on traction plate 23.
[0028] Preferably, one embodiment, the lifting device 30 comprises a base 31, a first support rod 32, a second support rod 33, a third support rod 34, a fourth support rod 35, a first hinge shaft 36, a second hinge shaft 37, a third hinge shaft 38, a fourth hinge shaft 39, a fifth hinge shaft 310 and a second hand screw 311, the middle of the first support rod 32 and the second support rod 33 are rotatably connected at one end of the third hinge shaft 38, the middle of the third support rod 34 and the fourth support rod 35 are rotatably connected at the other end of the third hinge shaft 38, the first support rod 32 and the second support rod 33 are arranged in cross, the third support rod 34 and the fourth support rod 35 are arranged in cross, the first support rod 32 is parallel to the fourth support rod 35, the second support rod 33 is parallel to the third support rod 34, the first hinge shaft 36 is fixed on the lower surface of the support plate 10, the top end of the first support rod 32 and the fourth support rod 35 are rotatably connected with both ends of the first hinge shaft 36 respectively; the top end of the second support rod 33 and the third support rod 34 are rotatably connected with both ends of the second hinge shaft 37 respectively, the lower surface of the support plate 10 is provided with a sliding groove 13, the second hinge shaft 37 is slidably connected with the sliding groove 13; the fourth hinge shaft 39 is fixed on the upper surface of the base 31, the bottom end of the second support rod 33 and the third support rod 34 are rotatably connected with both ends of the fourth hinge shaft 39 respectively; the bottom end of the first support rod 32 and the fourth support rod 35 are rotatably connected with both ends of the fifth hinge shaft 310 respectively, the middle of the fifth hinge shaft 310 is provided with a second threaded pipe 3101, the second hand screw 311 passes through the second threaded pipe 3101 and is threadedly connected with the second threaded pipe 3101, the second hand screw 311 is rotatably connected on the upper surface of the base 31. Rotating the second hand screw 311 to make the second screw pipe 3101 move axially on the second hand screw 311, thereby driving the second hinge shaft 37 to move laterally in the sliding groove 13, thereby changing the crossing angle of the first support rod 32 and the second support rod 33, and the crossing angle of the third support rod 34 and the fourth support rod 35, thereby realizing the height adjustment of the support plate 10, and further realizing the adjustment of the placement of the lower leg.
[0029] Working principle: when in use, the traction bow 211 is placed on both sides of the calcaneus, and the self-tapping screw 212 on both sides is turned to make the self-tapping screw 212 abut against the two side surfaces of the calcaneus, then the first hand screw 25 is shaken to make the first hand screw 25 extend outwards from the threaded hole 11 of the support plate 10 to drive the traction plate 23 to move towards the distal end of the calcaneus, and the guide rod 24 plays a guiding role in the process, the traction plate 23 pulls the traction bow 211 through the traction rope 22 in the moving process, so as to realize the traction of the calcaneus, the traction rope 22 and the traction bow 211 always keep parallel with the lower leg of the patient, and force decomposition cannot occur, the first hand screw 25 is shaken to adjust the traction force of the calcaneus; in the process of adjusting the size of the traction force, the specific traction force size can be set according to the tension gauge 213; the second hand screw 311 is shaken to make the second screw rod tube 3101 move axially on the second hand screw 311, so as to drive the second hinge shaft 37 to move laterally in the sliding groove 13, so as to change the intersection angle of the first support rod 32 and the second support rod 33, and the intersection angle of the third support rod 34 and the fourth support rod 35, so as to realize the height adjustment of the support plate 10, and further realize the placement adjustment of the lower leg, and relieve the discomfort of the lower leg during traction.
[0030] The various embodiments are described in the specification by progressive stages, and each embodiment focuses on the difference from other embodiments, and the same or similar parts between various embodiments can be referred to each other. For the device disclosed by the embodiments, since it corresponds to the method disclosed by the embodiments, the description is relatively simple, and the related parts can be referred to the method part.
[0031] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A calcaneal traction device, characterized by, The utility model relates to a kind of traction device and lifting device (30) including support plate (10), the traction device includes traction bow assembly (21), traction rope (22), traction plate (23), guide rod (24) and first hand screw (25), the threaded hole (11) and multiple guide holes (12) are provided on the side wall of one end of the support plate (10), multiple the guide rod (24) is symmetrically installed on the side wall of the traction plate (23), the first hand screw (25) passes through the middle of the traction plate (23), and is rotatably connected with the traction plate (23), multiple the guide rod (24) respectively extends into the guide hole (12), and is slidably connected with the guide hole (12), the first hand screw (25) extends into the threaded hole (11), and is threadedly connected with the threaded hole (11), one end of the traction rope (22) is connected with the traction plate (23), and the other end is connected with the traction bow assembly (21), the traction bow assembly (21) fixes the heel of patient, the lifting device (30) is installed at the bottom end of the support plate (10). The traction bow assembly (21) includes traction bow (211) and self-tapping screw (212), both ends of the traction bow (211) are provided with first threaded tube, a pair of the self-tapping screw (212) passes through the first threaded tube oppositely, and is threadedly connected with the first threaded tube.
2. A calcaneal traction device according to claim 1, wherein The traction bow assembly (21) further includes tension gauge (213), one end of the tension gauge (213) is provided with draw hook (2131), the draw hook (2131) is used to hook the traction bow (211), the other end of the tension gauge (213) is fixedly connected with the traction rope (22).
3. A calcaneal traction device according to claim 2, wherein, The first hand screw (25) is provided with limit ring (251), and the limit ring (251) is located on both sides of the traction plate (23).
4. A calcaneal traction device according to claim 1, wherein 5. A calcaneal traction device according to claim 1, wherein The lifting device (30) comprises a base (31), a first support rod (32), a second support rod (33), a third support rod (34), a fourth support rod (35), a first hinged shaft (36), a second hinged shaft (37), a third hinged shaft (38), a fourth hinged shaft (39), a fifth hinged shaft (310) and a second hand screw (311), the middle parts of the first support rod (32) and the second support rod (33) are rotatably connected to one end of the third hinged shaft (38), the middle parts of the third support rod (34) and the fourth support rod (35) are rotatably connected to the other end of the third hinged shaft (38), the first support rod (32) and the second support rod (33) are arranged in cross, the third support rod (34) and the fourth support rod (35) are arranged in cross, the first support rod (32) is parallel to the fourth support rod (35), the second support rod (33) is parallel to the third support rod (34), the first hinged shaft (36) is fixed on the lower surface of the support plate (10), the top ends of the first support rod (32) and the fourth support rod (35) are rotatably connected to both ends of the first hinged shaft (36); the top ends of the second support rod (33) and the third support rod (34) are rotatably connected to both ends of the second hinged shaft (37), the lower surface of the support plate (10) is provided with a sliding groove (13), the second hinged shaft (37) is slidably connected with the sliding groove (13); the fourth hinged shaft (39) is fixed on the upper surface of the base (31), the bottom ends of the second support rod (33) and the third support rod (34) are rotatably connected to both ends of the fourth hinged shaft (39); the bottom ends of the first support rod (32) and the fourth support rod (35) are rotatably connected to both ends of the fifth hinged shaft (310), the middle part of the fifth hinged shaft (310) is provided with a second threaded pipe (3101), the second hand screw (311) passes through the second threaded pipe (3101) and is threadedly connected with the second threaded pipe (3101), and the second hand screw (311) is rotatably connected to the upper surface of the base (31).