Clinical leg fixing device for orthopedics department

Abstract

According to the clinical leg fixing device for the orthopedics department, handles are fixedly installed on the two sides of an operating bed, and a fixing assembly is detachably fixed to one handle; the fixing assembly comprises a base, the base is placed on the operating bed, two pairs of fixing heads are symmetrically fixed to the two sides of the base, a fixing strip is fixed to the pair of fixing heads on one side through first bolts, and the fixing strip is fixed to one handle through second bolts; a supporting seat is arranged on the base in a sliding manner, and a moving assembly is arranged between the base and the supporting seat, so that the supporting seat can freely move on the base; two lifting grooves are formed in the supporting base, lifting strips are arranged in the lifting grooves in a sliding mode, a supporting roller is fixed to the tops of the lifting strips together, a threaded hole is formed in one side of the supporting base, threads are arranged in the threaded hole, the threaded hole is in threaded connection with a locking bolt, and the locking bolt presses one lifting strip to achieve position locking.

Description

Technical Field

[0001] This invention relates to the field of orthopedic technology, specifically to a leg fixation device for clinical use in orthopedic traumatology. Background Technology

[0002] Knee surgery is one of the most common surgeries in orthopedics, including knee replacement, arthroscopic surgery, osteotomy, and knee revision surgery. Knee surgery is performed between the legs, typically using supports and fixation devices on the operating table to fold the thigh and lower leg into a triangle shape before the procedure.

[0003] In existing fixation devices, the upper and lower legs are often fixed together to achieve the above requirements. However, this type of fixation makes it difficult for the patient's knee to rotate, and when surgery is required on the inner and outer sides of the knee, it is often very inconvenient for doctors to operate. Summary of the Invention

[0004] The purpose of this invention is to provide a leg fixation device for clinical use in orthopedics to solve the above-mentioned problems.

[0005] The above-mentioned technical objective of the present invention is achieved through the following technical solution: a leg fixation device for clinical use in orthopedics, including an operating table, with handles fixedly installed on both sides of the operating table, and a fixation component detachably fixed to one of the handles; The fixing component includes a base, which is placed on the operating table. Two pairs of fixing heads are symmetrically fixed on both sides of the base. A fixing strip is fixed to one of the fixing heads on one side by a first bolt, and the fixing strip is fixed to one of the handles by a second bolt. A support seat is slidably disposed on the base, and a moving component is disposed between the base and the support seat, so that the support seat can move freely on the base; Two lifting slots are provided on the support base, and lifting bars are slidably arranged in the lifting slots. The top of the lifting bars are fixed together with a support roller. A threaded hole is provided on one side of the support base. The threaded hole has internal threads and is threaded to a locking bolt. The locking bolt presses down on one of the lifting bars to lock the position of the lifting bar. Two support components are symmetrically arranged on both sides of the support base. Each support component includes an outer cylinder fixed on the support base, a rotating roller passing through the outer cylinder, the rotating roller being rotatably connected to the outer cylinder, two connecting rods fixed on the rotating roller, one end of the connecting rods being fixed to a roller, several insertion holes being opened on the rotating roller, and a through hole being opened on the outer cylinder. A pin passes through the through hole and is inserted into one of the insertion holes to achieve locking. A base plate is fixed on one side of the base, a rotating plate is rotatably mounted on the base plate, a locking component is provided between the rotating plate and the base plate to adjust the relative position of the rotating plate and the base plate, a footrest is fixedly mounted on the rotating plate, and a strap is installed on the footrest.

[0006] Preferably, both the No. 1 bolt and the No. 2 bolt are fitted with nuts to achieve locking.

[0007] Preferably, a slot is formed on the substrate, and several through slots are formed on the rotating plate. A plug is inserted through one of the through slots, and the plug is simultaneously inserted into the slot to achieve locking.

[0008] Preferably, the movable component includes a pair of slide rails fixed to the base, one end of each slide rail being fixed to a baffle plate, the baffle plate being fixed to the base, a slide block being slidably disposed on the slide rails, a support base being fixed to the slide block, a screw being disposed through the slide block, one end of the screw being rotatably connected to the baffle plate, a thread being disposed on the screw and threadedly connected to the slide block, a connector being fixed to one side of the screw, a sliding head being slidably connected to the connector, a fixing knob being fixed to one end of the sliding head, the knob being inserted into a hole in a storage plate, and the storage plate being fixed to the base.

[0009] Preferably, since the two abutting rollers are respectively abutting the patient's thigh and calf, the two abutting rollers do not need to be adjusted when the patient's knees turn inward or outward, and only the muscles of the thigh and calf will undergo certain deformation.

[0010] Preferably, a cotton cloth layer / sponge layer is installed on the outer side of the abutting roller and the support roller.

[0011] In summary, the present invention has the following beneficial effects: 1. A fixing component is detachably fixed to one of the handles of the present invention, the fixing component being used to fix one leg of the patient, and when the fixing component is fixed to the other handle, it can be used to fix the other leg of the patient; The fixing component includes a base placed on the operating table. Two pairs of fixing heads are symmetrically fixed on both sides of the base. A fixing strip is fixed to one pair of fixing heads on one side by a No. 1 bolt. The fixing strip is fixed to one of the handles by a No. 2 bolt. To switch to another handle, the No. 2 bolt and the No. 1 bolt are removed, the fixing strip is fixed to the other handle, and the fixing strip is fixed to the other pair of fixing heads by a No. 1 bolt. This provides universal support for the patient's legs and is very convenient.

[0012] 2. Two lifting slots are provided on the support base, and lifting bars are slidably arranged in the lifting slots. The top of the lifting bars are fixed together to the support roller. A threaded hole is provided on one side of the support base. The threaded hole has internal threads and is threaded to a locking bolt. The locking bolt presses down on one of the lifting bars to lock the position of the lifting bar. After the locking bolt is released, the height of the support roller can be adjusted automatically. Two support components are symmetrically arranged on both sides of the support base. Each support component includes an outer cylinder fixed on the support base, a rotating roller passing through the outer cylinder, the rotating roller being rotatably connected to the outer cylinder, two connecting rods fixed on the rotating roller, one end of the connecting rods being fixed to a roller, several insertion holes being opened on the rotating roller, and a through hole being opened on the outer cylinder. A pin passes through the through hole and is inserted into one of the insertion holes to achieve locking. In its initial state, the support roller is used to press against the patient's popliteal fossa, facilitating the adjustment of the position of the patient's calf and thigh and providing temporary support, which not only facilitates the doctor's operation but also optimizes the patient's user experience; When surgery is to be performed, manually pull out the pin, and place the two abutting rollers against the patient's thigh and calf respectively, then insert and lock the pin. Then manually adjust the support roller to lower, so that the patient's popliteal fossa is empty, thereby reducing the impact of external force on the patient's knee and allowing the patient's knee to be in a natural suspended state, so that the surgery is not disturbed.

[0013] 3. A base plate is fixed on one side of the base. A rotating plate is rotatably mounted on the base plate. A locking component is provided between the rotating plate and the base plate to adjust the relative position of the rotating plate and the base plate. A slot is opened on the base plate. Several through slots are opened on the rotating plate. A rod is inserted through one of the through slots. The rod is simultaneously inserted into the slot to achieve locking. A footrest is fixed on the rotating plate. A strap is installed on the footrest. The footrest is used to place the patient's foot. The strap is used to fix the foot. After the rod is pulled out, the doctor can assist the patient in performing inversion and eversion of the knee to perform surgery on different parts of the knee, which is very convenient. After flipping, the rod needs to be inserted into different through slots to achieve locking. Since the two rollers are respectively positioned to support the patient's thigh and calf, there is no need to adjust the rollers when the patient's knees turn inward or outward. Only the muscles in the thigh and calf will deform to a certain extent, which is very convenient. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of the invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a first appearance schematic diagram of an embodiment of this application; Figure 2 yes Figure 1 Enlarged view of point A in the middle; Figure 3 This is a second appearance schematic diagram of an embodiment of this application; Figure 4 yes Figure 3 Enlarged view of point B in the middle; Figure 5 This is a first visual representation of the fixed component; Figure 6 yes Figure 5 Enlarged view of point C in the middle; Figure 7 This is a second appearance diagram of the fixed component; Figure 8 yes Figure 7 Enlarged view of point D; Figure 9 This is a first sectional view of the fixed component; Figure 10 yes Figure 9 Enlarged view of point E in the middle; Figure 11 yes Figure 9 Enlarged diagram at point F; Figure 12 This is a second sectional view of the fixed component; Figure 13 yes Figure 12 Enlarged diagram of point G in the middle.

[0016] In the diagram: 10. Operating table; 11. Handle; 12. Bolt No. 2; 13. Fixing strip; 14. Bolt No. 1; 15. Base; 16. Support seat; 17. Rotating plate; 18. Base plate; 19. Fixing head; 20. Footrest; 21. Strap; 22. Insert rod; 23. Slide seat; 24. Slide rail; 25. Baffle; 26. Screw; 27. Connector head; 28. Sliding head; 29. ​​Knob; 30. Storage plate; 32. Connecting rod; 33. Outer cylinder; 34. Rotating roller; 35. Support roller; 36. Lifting bar; 37. Pin; 38. Locking bolt; 39. Through groove; 40. Slot; 41. Through hole; 42. Insertion hole; 43. Lifting groove; 44. Threaded hole; 45. Abutment roller; 50. Fixing assembly. Detailed Implementation

[0017] Combined with appendix Figures 1-13 The aforementioned leg fixation device for clinical use in orthopedics includes an operating table 10, with handles 11 fixedly installed on both sides of the operating table 10. A fixation component 50 is detachably fixed to one of the handles 11. The fixation component 50 is used to fix one leg of the patient. When the fixation component 50 is fixed to the other handle 11, it can be used to fix the other leg of the patient. The fixing component 50 includes a base 15, which is placed on the operating table 10. Two pairs of fixing heads 19 are symmetrically fixed on both sides of the base 15. A fixing strip 13 is fixed to one pair of fixing heads 19 on one side by a first bolt 14. The fixing strip 13 is fixed to one of the handles 11 by a second bolt 12. When switching to another handle 11, the second bolt 12 and the first bolt 14 are removed, the fixing strip 13 is fixed to the other handle 11, and the fixing strip 13 is fixed to the other pair of fixing heads 19 by the first bolt 14. This provides universal support for the patient's legs, which is very convenient. It should be noted that the handle 11 has a hole for easy insertion of the second bolt 12, and the fixing head 19 has a hole for easy insertion of the first bolt 14. Both the first bolt 14 and the second bolt 12 are fitted with nuts to achieve locking. A support seat 16 is slidably disposed on the base 15. A movable component is provided between the base 15 and the support seat 16, allowing the support seat 16 to move freely on the base 15. The movable component includes a pair of slide rails 24 fixed to the base 15, one end of each slide rail 24 being fixed to a baffle 25. The baffle 25 is fixed to the base 15. A slide block 23 is slidably disposed on the slide rails 24, and the support seat 16 is fixed to the slide block 23. A screw 26 is disposed through the slide block 23, one end of which is connected to the baffle 25. A rotating connection is provided, with threads on the screw 26 and threadedly connected to the slide block 23. A connector 27 is fixed on one side of the screw 26, and a sliding head 28 is slidably connected to the connector 27 (the connector 27 and the sliding head 28 can only slide relative to each other and cannot rotate; the sliding head 28 cannot be disengaged from the connector 27). A fixed knob 29 is fixed to one end of the sliding head 28. The knob 29 is inserted into a hole in the storage plate 30, and the storage plate 30 is fixed to the base 15. The knob 29 and the storage plate 30 are designed to be hidden to prevent accidental activation. Manually push the sliding head 28 so that the knob 29 extends out of the storage plate 30. At this time, manually rotate the knob 29 to drive the screw 26 to rotate. The screw 26 is connected to the slide 23 by a thread to drive the slide 23 to move. The support base 16 moves with the slide 23. After the movement is completed, manually insert the knob 29 into the storage plate 30. Two lifting grooves 43 are provided on the support base 16. Lifting bars 36 are slidably arranged in the lifting grooves 43. The top of the lifting bars 36 are fixed together to the support roller 35. A threaded hole 44 is provided on one side of the support base 16. The threaded hole 44 has internal threads and is threaded to a locking bolt 38. The locking bolt 38 presses down on one of the lifting bars 36 to lock the position of the lifting bar 36. After the locking bolt 38 is released, the height of the support roller 35 can be adjusted automatically. Two support components are symmetrically arranged on both sides of the support base 16. Each support component includes an outer cylinder 33 fixed on the support base 16, a rotating roller 34 passing through the outer cylinder 33, the rotating roller 34 being rotatably connected to the outer cylinder 33, two connecting rods 32 being fixed on the rotating roller 34, and one end of each connecting rod 32 being fixed to a roller 45. Several insertion holes 42 are opened on the rotating roller 34, and a through hole 41 is opened on the outer cylinder 33. A pin 37 passes through the through hole 41 and is inserted into one of the insertion holes 42 to achieve locking. In its initial state, the support roller 35 is used to press against the patient's popliteal fossa, which facilitates the adjustment of the position of the patient's thighs and calves and provides temporary support, which not only facilitates the doctor's operation but also optimizes the patient's user experience. When surgery is to be performed, manually pull out the pin 37, and place the two abutting rollers 45 against the patient's thigh and calf respectively, and insert and lock the pin 37. Then manually adjust the support rollers 35 to lower, so that the patient's popliteal fossa is empty, thereby reducing the impact of external force on the patient's knee and keeping the patient's knee in a natural suspended state, so that the surgery is not disturbed. A base plate 18 is fixed to one side of the base 15. A rotating plate 17 is rotatably mounted on the base plate 18. A locking component is provided between the rotating plate 17 and the base plate 18 to adjust the relative position of the rotating plate 17 and the base plate 18. A slot 40 is provided on the base plate 18. Several through slots 39 are provided on the rotating plate 17. A rod 22 is provided through one of the through slots 39. The rod 22 is simultaneously inserted into the slot 40 to achieve locking. A footrest 20 is fixed on the rotating plate 17. A strap 21 is installed on the footrest 20. The footrest 20 is used to place the patient's foot. The strap 21 is used to fix the foot. After the rod 22 is pulled out, the doctor can assist the patient in performing inversion and eversion of the knee to perform surgery on different parts of the knee, which is very convenient. After flipping, the rod 22 needs to be inserted into different through slots 39 to achieve locking. It should be noted that since the two rollers 45 are respectively pressed against the patient's thigh and calf, the two rollers 45 do not need to be adjusted when the patient's knee is turned inward or outward. Only the muscles of the thigh and calf will be deformed to a certain extent, which is very convenient.

[0018] The outer sides of the abutment roller 45 and the support roller 35 can be fitted with cotton cloth / sponge layers to improve patient comfort.

[0019] How to use: After the patient sits on the operating table 10, the foot to be operated on is placed in the foot support 20 and secured with the straps 21. After that, the patient's upper body position is manually adjusted so that the patient's thighs and calves meet the doctor's surgical needs. After that, the locking bolts 38 are loosened, the support rollers 35 are adjusted to press against the patient's popliteal fossa, and then the support rollers 35 are tightened to lock the position, allowing the patient to rest temporarily. At this time, the doctor can make adjustments before the operation. When surgery is to be performed, the doctor pulls out the pin 37, and the two abutting rollers 45 respectively abut against the patient's thigh and calf, and inserts the pin 37 to lock it in place. Then, the doctor manually adjusts the support rollers 35 to lower them, so that the patient's popliteal fossa is empty and the patient's knee is in a natural suspended state. Once completed, the doctor can perform the surgical procedure; When the patient needs to valgus or varus the knee, the insert 22 can be pulled out, and the doctor can assist the patient in varus or valgus of the knee to perform surgery on different parts of the knee, which is very convenient. After flipping, the insert 22 needs to be inserted into different through slots 39 to lock it.

[0020] The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand and implement the present invention. They should not be construed as limiting the scope of protection of the present invention. All equivalent changes or modifications made in accordance with the spirit and essence of the present invention should be covered within the scope of protection of the present invention.

Claims

1. A leg immobilization device for clinical use in orthopedics, comprising an operating table (10), characterized in that: Handles (11) are fixedly installed on both sides of the operating table (10), and a fixing component (50) is detachably fixed on one of the handles (11); The fixing component (50) includes a base (15), and two pairs of fixing heads (19) are symmetrically fixed on both sides of the base (15). A fixing strip (13) is fixed on one pair of fixing heads (19) on one side by a bolt (14). The fixing strip (13) is fixed to one of the handles (11) by a bolt (12). A support seat (16) is slidably disposed on the base (15), and a moving component is disposed between the base (15) and the support seat (16) so that the support seat (16) can move freely on the base (15); Two lifting grooves (43) are provided on the support base (16), and lifting bars (36) are slidably arranged in the lifting grooves (43). The top of the lifting bars (36) are fixed together with the support roller (35). Two support components are symmetrically arranged on both sides of the support base (16). The support component includes an outer cylinder (33) fixed on the support base (16). A through hole (41) is opened on the outer cylinder (33). A pin (37) passes through the through hole (41) and is inserted into one of the insertion holes (42) to achieve locking. A base plate (18) is fixed on one side of the base (15), a rotating plate (17) is rotatably mounted on the base plate (18), and a footrest (20) is fixed on the rotating plate (17).

2. The leg fixation device for clinical use in orthopedics according to claim 1, characterized in that: Both the first bolt (14) and the second bolt (12) are fitted with nuts to achieve locking.

3. The leg fixation device for clinical use in orthopedics according to claim 1, characterized in that: A rotating roller (34) is rotatably connected through the outer cylinder (33). Two connecting rods (32) are fixed on the rotating roller (34). One end of the connecting rods (32) is fixed to the abutment roller (45). Several insertion holes (42) are opened on the rotating roller (34).

4. The leg fixation device for clinical use in orthopedics according to claim 1, characterized in that: A threaded hole (44) is opened on one side of the support base (16). The threaded hole (44) has internal threads and is threadedly connected to a locking bolt (38). The locking bolt (38) presses down on one of the lifting bars (36) to lock the position of the lifting bar (36).

5. A leg immobilization device for clinical use in orthopedics according to claim 1, characterized in that: A locking component is provided between the rotating plate (17) and the base plate (18) to adjust the relative position of the rotating plate (17) and the base plate (18). The locking component includes a slot (40) opened on the base plate (18) and several through slots (39) opened on the rotating plate (17). A rod (22) is provided through one of the through slots (39). The rod (22) is inserted into the slot (40) to achieve locking.

6. The leg fixation device for clinical use in orthopedics according to claim 1, characterized in that: The movable component includes a pair of slide rails (24) fixed on the base (15). One end of each slide rail (24) is fixed to a baffle (25). The baffle (25) is fixed to the base (15). A slide block (23) is slidably arranged on the slide rails (24). A support base (16) is fixed to the slide block (23). A screw (26) is arranged through the slide block (23). One end of the screw (26) is rotatably connected to the baffle (25). A thread is provided on the screw (26) and threadedly connected to the slide block (23). A connector (27) is fixed on one side of the screw (26). A sliding head (28) is slidably connected to the connector (27). A fixing knob (29) is fixed at one end of the sliding head (28). The knob (29) is inserted into a hole in the storage plate (30). The storage plate (30) is fixed to the base (15).

7. A leg fixation device for clinical use in orthopedics according to claim 6, characterized in that: Since the two rollers (45) are respectively pressed against the patient's thigh and calf, the two rollers (45) do not need to be adjusted when the patient's knees turn inward or outward, and only the muscles of the thigh and calf will undergo certain deformation.

8. A leg fixation device for clinical use in orthopedics according to claim 7, characterized in that: The abutting roller (45) and the support roller (35) are fitted with cotton cloth / sponge layers on their outer sides.

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