Fracture fixing device for surgery department

Abstract

The invention relates to the field of medical instruments, and discloses a surgical fracture fixing device which comprises a splint, a bandage and two tightening boxes, a tightening mechanism is arranged in each tightening box and comprises four gears and two shaft rods, a shaft hole is formed in the center of each gear, and the two shaft rods are arranged in the shaft holes. The interiors of the shaft holes correspond to the shaft rods and are fixedly connected with the shaft rods in a sleeved mode, two gears are fixed to each shaft rod, the gears are connected in a pairwise meshed mode, and the two ends of each shaft rod penetrate through the tightening box and are movably connected with the tightening box in a sleeved mode. Through the design of the rotating shaft and the adjustable fixing pull rod, the fixing angle can be adjusted after fixing; meanwhile, the internal diameter of the fixing support can be freely adjusted according to the thickness degrees of arms of different crowds by adopting a mode of rotating and tightening a bandage and positioning a gear; and moreover, by adopting the clamping plates with freely telescopic lengths, the effect of adapting to people with different arm lengths is realized.

Description

Technical Field

[0001] The invention belongs to the technical field of medical instruments, and in particular relates to a surgical fracture fixation device. Background Art

[0002] The existing emergency surgery department or emergency medicine center is the department in the hospital with the most diseases and the heaviest rescue and management tasks. It is the only way for all emergency patients to be admitted to the hospital for treatment. In the emergency surgery department, for patients with broken arms, the patient's arm must be temporarily fixed first, so that the patient can take X-rays and other examinations of the broken arm in the hospital, which is convenient for doctors to plan the treatment of the patient's arm.

[0003] After the existing fixation device quickly fixes the patient's fractured arm, it can no longer rotate the patient's arm or perform other adjustments. At the same time, when temporarily fixing the arms of different patients, the existing silicone fixation device needs to be cut according to the actual length of the patient's arm, which makes the operation steps cumbersome and affects the fixation efficiency. In addition, the silicone fixation device cannot be adjusted accordingly according to the actual thickness of the arms of different patients. As a result, when the patient's arm is thicker, the soft silicone fixation device over-clamps the patient's arm, increasing the pain of the patient's arm.

[0004] To this end, the inventor has introduced a surgical fracture fixation device that can be adjusted according to the specification requirements of different groups of people to solve the above-mentioned problems or defects. Summary of the invention

[0005] In order to solve the technical problems that the patient's arm cannot be rotated and adjusted after fixation and the length and thickness cannot be adjusted according to the specifications of different groups of people, the basic concept of the technical solution adopted by the present invention is: A surgical fracture fixation device includes a splint, a binding strap and a tightening box. The tightening box is divided into two parts, and a tightening mechanism is arranged inside the tightening box. The tightening mechanism includes four gears and two shafts, and an axial hole is opened in the center of the gear. The interior of the axial hole corresponds to the shaft and is fixedly sleeved with the shaft. Two gears are fixed on each shaft, and the gears are meshed with each other. Both ends of the shaft pass through the tightening box and are movably sleeved with the tightening box. Furthermore, one end of one of the shafts is fixedly connected with a hexagonal cap.

[0006] As a preferred embodiment of the present invention, a connecting column is fixedly connected to the outer side of the tightening box, a shaft sleeve is fixedly connected to the end of the connecting column, and a fixed shaft is movably sleeved inside the shaft sleeve.

[0007] As a preferred embodiment of the present invention, a support rod is fixedly connected to the middle part of the outer side of the tightening box, a slot is provided at the end of the support rod, a connecting ring is movably sleeved inside the slot, a threaded pull rod is fixedly connected to the side of the connecting ring, a bidirectional threaded sleeve is threadedly sleeved on the outer periphery of the threaded pull rod, and a hexagonal sleeve is fixedly sleeved on the middle part of the bidirectional threaded sleeve.

[0008] As a preferred embodiment of the present invention, a threaded hole is provided on the outer box body of the tightening box, and a locking bolt is sleeved on the internal thread of the threaded hole. The installation position of the locking bolt corresponds to the position of the gear and is clamped therewith.

[0009] As a preferred embodiment of the present invention, a strip hole is opened inside the splint, the width and thickness of the strip hole correspond to the width and thickness of the strap, and the strap is installed in a sleeve connection therewith, and the two ends of the strap correspond to the shaft rod and are fixedly connected therewith.

[0010] As a preferred embodiment of the present invention, a sliding hole is provided inside the splint, and a telescopic rod is movably sleeved inside the sliding hole, and the telescopic rod connects the splints by sliding and telescoping.

[0011] Compared with the prior art, the present invention has the following beneficial effects: The present invention realizes that the fixed angle can be adjusted after fixation through the design of the rotating shaft and the adjustable fixing rod; at the same time, by adopting the rotating tightening strap and gear positioning method, the internal diameter of the fixed bracket can be freely adjusted according to the arm thickness of different people; furthermore, by adopting the splint with freely retractable length, the effect of adapting to people with different arm lengths can be achieved.

[0012] The specific implementation modes of the present invention are further described in detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In the attached picture: Figure 1 A three-dimensional overall front view schematic diagram of a surgical fracture fixation device; Figure 2 A schematic cross-sectional view of a single-side splint tightener for a surgical fracture fixation device; Figure 3 This is a schematic diagram of the telescopic effect of a single-sided splint of a surgical fracture fixation device.

[0014] In the figure: 1. splint; 2. binding strap; 3. connecting column; 4. bushing; 5. fixed shaft; 6. telescopic rod; 7. tightening box; 8. hexagon socket cap; 9. connecting ring; 10. threaded pull rod; 11. two-way threaded sleeve; 12. hexagonal sleeve; 13. support rod; 14. locking bolt; 15. gear; 16. shaft. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention.

[0016] like Figures 1 to 3 As shown, a surgical fracture fixation device includes a splint 1, a bandage 2 and a tightening box 7. The tightening box 7 is divided into two parts, and a tightening mechanism is arranged inside the tightening box 7. The tightening mechanism includes four gears 15 and two shafts 16. An axial hole is opened in the center of the gear 15. The inside of the axial hole corresponds to the shaft and is fixedly sleeved therewith. Two gears 15 are fixed on each shaft 16, and the gears 15 are meshed with each other. Both ends of the shaft 16 pass through the tightening box 7 and are movably sleeved therewith. Furthermore, one end of one of the shafts 16 is fixedly connected with a hexagonal screw cap 8.

[0017] In this setting, the present invention realizes that the fixed angle can be adjusted after fixation through the design of the rotating shaft and the adjustable fixed pull rod; at the same time, by adopting the rotating tightening strap 2 and the positioning method of the gear 15, the internal diameter of the fixed bracket can be freely adjusted according to the arm thickness of different people; furthermore, by adopting the splint 1 with freely retractable length, the effect of adapting to people with different arm lengths can be achieved.

[0018] like Figures 1 to 3 As shown, in a specific embodiment, a connecting column 3 is fixedly connected to the outer side of the tightening box 7, a shaft sleeve 4 is fixedly connected to the end of the connecting column 3, and a fixed shaft 5 is movably sleeved inside the shaft sleeve 4; a support rod 13 is fixedly connected to the middle part of the outer side of the tightening box 7, a slot is provided at the end of the support rod 13, a connecting ring 9 is movably sleeved inside the slot, a threaded pull rod 10 is fixedly connected to the side of the connecting ring 9, a bidirectional threaded sleeve 11 is threadedly sleeved on the outer periphery of the threaded pull rod 10, and a hexagonal sleeve 12 is fixedly sleeved on the middle part of the bidirectional threaded sleeve 11.

[0019] In this setting, according to treatment needs, a wrench can be used to rotate the hexagonal sleeve 12 to drive the bidirectional threaded sleeve 11 to rotate synchronously, and the threaded pull rod 10 can be extended outward or retracted inward to achieve the effect of adjusting the angle between the splints.

[0020] like Figures 1 to 3As shown, in a specific embodiment, a threaded hole is provided on the outer box body of the tightening box 7, and a locking bolt 14 is sleeved on the inner thread of the threaded hole. The installation position of the locking bolt 14 corresponds to the position of the gear 15 and is clamped therewith.

[0021] In this arrangement, when the inner diameter and the tightness of the binding band 2 reach a suitable position, the locking bolt 14 is rotated, and the locking bolt 14 is pushed into the tightening box 7 until it contacts the gear 15 and engages with it to lock the gear 15.

[0022] like Figures 1 to 3 As shown, in a specific embodiment, a strip hole is opened inside the splint 1, the width and thickness of the strip hole correspond to the width and thickness of the strap 2, and is sleeved and installed therewith, and the two ends of the strap 2 correspond to the shaft rod 16 and are fixedly connected therewith.

[0023] In this setting, after adjusting the position, the hexagonal cap 8 is then rotated with a hexagonal wrench, which drives the shaft 16 to rotate, causing the gear 15 to drive the gear 15 meshing with it to rotate synchronously, and the strap 2 is continuously wound up, thereby adjusting the inner diameter and tightening the strap 2.

[0024] like Figures 1 to 3 As shown, in a specific embodiment, a sliding hole is provided inside the splint 1, and a telescopic rod 6 is movably sleeved inside the sliding hole, and the telescopic rod 6 connects the splints 1 by sliding and telescoping.

[0025] In this setting, when using the device, the length of the splint 1 is first stretched or contracted according to the length of the patient's arm to adapt to the size of the patient's arm, and then the patient's arm is passed through the inside of the strap 2.

[0026] The implementation principle of a surgical fracture fixation device of this embodiment is as follows: The present invention realizes that the fixed angle can be adjusted after being fixed by designing the rotating shaft and the adjustable fixing rod; at the same time, by adopting the method of rotating and tightening the strap 2 and positioning the gear 15, the inner diameter of the fixing bracket can be freely adjusted according to the arm thickness of different people; and by adopting the splint 1 with freely retractable length, the effect of adapting to people with different arm lengths can be achieved; When using the present device, first stretch or shrink the length of the splint 1 according to the length of the patient's arm to adapt to the size of the patient's arm, then pass the patient's arm through the inside of the bandage 2, and after adjusting the position, use the hexagonal wrench to turn the hexagonal cap 8, and drive the shaft 16 to rotate, so that the gear 15 drives the gear 15 meshing with it to rotate synchronously, and the bandage 2 is continuously wound up, so as to adjust the inner diameter and tighten the bandage 2; when the inner diameter and the tightness of the bandage 2 reach a suitable position, turn the locking bolt 14, and the locking bolt 14 is pushed into the tightening box 7 until it contacts the gear 15, and engages with it to lock the gear 15; at this time, according to treatment needs, use a wrench to turn the hexagonal socket 12 to drive the two-way threaded socket 11 to rotate synchronously, and the threaded pull rod 10 is extended outward or retracted inward to achieve the effect of adjusting the angle between the splints.

Claims

1. A surgical fracture fixation device, comprising a splint (1), a binding belt (2) and a tightening box (7), characterized in that: The tightening box (7) is divided into two parts, and a tightening mechanism is arranged inside the tightening box (7), the tightening mechanism comprises four gears (15) and two shafts (16), and a shaft hole is opened at the center of the gear (15), the inside of the shaft hole corresponds to the shaft and is fixedly sleeved therewith, two gears (15) are fixed on each shaft (16), and the gears (15) are meshedly connected in pairs, and both ends of the shaft (16) pass through the tightening box (7) and are movably sleeved therewith, and one end of one of the shafts (16) is fixedly connected with a hexagonal screw cap (8).

2. A surgical fracture fixation device according to claim 1, characterized in that: The outer side of the tightening box (7) is fixedly connected to a connecting column (3), the end of the connecting column (3) is fixedly connected to a shaft sleeve (4), and the interior of the shaft sleeve (4) is movably sleeved with a fixed shaft (5).

3. A surgical fracture fixation device according to claim 2, characterized in that: A support rod (13) is fixedly connected to the middle of the outer side of the tightening box (7), a slot is provided at the end of the support rod (13), a connecting ring (9) is movably sleeved inside the slot, a threaded pull rod (10) is fixedly connected to the side of the connecting ring (9), a bidirectional threaded sleeve (11) is threadedly sleeved on the outer periphery of the threaded pull rod (10), and a hexagonal sleeve (12) is fixedly sleeved on the middle of the bidirectional threaded sleeve (11).

4. A surgical fracture fixation device according to claim 3, characterized in that: A threaded hole is provided on the outer box body of the tightening box (7), and a locking bolt (14) is sleeved on the inner thread of the threaded hole. The installation position of the locking bolt (14) corresponds to the position of the gear (15) and is clamped therewith.

5. A surgical fracture fixation device according to claim 1, characterized in that: The splint (1) is provided with a strip hole inside, the width and thickness of the strip hole correspond to the width and thickness of the binding belt (2), and are sleeved and installed thereon, and the two ends of the binding belt (2) correspond to the shaft rod (16) and are fixedly connected thereto.

6. A surgical fracture fixation device according to claim 5, characterized in that: A sliding hole is provided inside the clamping plate (1), and a telescopic rod (6) is movably sleeved inside the sliding hole. The telescopic rod (6) connects the clamping plates (1) in a sliding and telescopic manner.

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