Orthopedic dilator device

Abstract

The invention discloses a dilator device for the orthopedics department. The dilator device comprises a penetrating separation component, a pressing distraction component and a pushing limiting component. The invention belongs to the field of medical apparatus and instruments, and particularly relates to an orthopedic dilator device. According to the bone joint distraction device, the bone joint is separated and distraction through the provided interpenetrating partition plate component, the space between the two interpenetrating fixing pieces facilitates operation of medical staff, and the opening degree of the opening angle components at the two ends is controlled through pushing limiting components on the two sides, so that an attaching supporting plate of the distraction assembly drags the two interpenetrating fixing pieces to be separated, and the bone joint distraction device is convenient to use. According to the supporting device, space is reserved for operation of medical staff, the pressing and opening component and the pushing and limiting component which extend out of the two sides move synchronously and then are locked synchronously, the stability of the supporting device is improved, in the subsequent operation process, movement caused by mistaken touch of the medical staff is avoided, and effective stable supporting is achieved.

Description

Technical Field

[0001] The present invention belongs to the technical field of medical devices, and specifically refers to an orthopedic distractor device. Background Art

[0002] Orthopedic expanders are common medical devices, mainly used to expand the intervertebral intervertebral space during surgery. They are often used in surgical treatment of cervical spondylosis, lumbar disc herniation, scoliosis and other diseases. Their main components include operating tables, traction devices, surgical lights and operators. The working principle of the expander is to use the traction device to pull the spine to widen the intervertebral space, thereby reducing the intervertebral disc, reducing spinal canal pressure, and improving nerve compression symptoms.

[0003] Since traditional orthopedic distractors use a two-point support method to distract the joints, the position of the support components affects the operating space of medical staff. It is necessary to pay attention to the displacement of the distractor throughout the operation to prevent it from affecting the supporting effect. Summary of the invention

[0004] In view of the above situation, the present invention provides an orthopedic spreader device, which separates and spreads the joints through the proposed interlaced partition plate component, and the space between the two interlaced fixtures is convenient for medical staff to operate, and the opening angle of the opening angle components at both ends is controlled by the pushing and limiting components on both sides, so that the fitting support plate of the spreader assembly drags the two interlaced fixtures to separate, reserving space for the medical staff's operation, and the pressing and spreading components and the pushing and limiting components on both sides are moved synchronously and locked synchronously, thereby increasing the stability of the device of the present invention, so that in the subsequent operation process, it will not move due to accidental touch of the medical staff, thereby achieving effective and stable support.

[0005] The technical solution adopted by the present invention is as follows: The present invention proposes an orthopedic distractor device, including an interlaced partitioning member, a pressed distracting member and a pushed limiting member, the two ends of the interlaced partitioning member and the pressed distracting member are interlaced in the pushed limiting member and slide, the pushed limiting member and the pressed distracting member are interlaced, the interlaced partitioning member is fixedly connected to the pressed distracting member, the interlaced partitioning member includes an interlaced fixing member and a connecting limiting member, and the connecting limiting member is fixedly connected to the outer wall of the interlaced fixing member.

[0006] Furthermore, the interpenetrating partitioning members are provided with two groups, the two groups of the interpenetrating partitioning members are symmetrically arranged, the interpenetrating fixing members include a partition plate and an interpenetrating plate, and the partition plate is fixedly connected to the upper end of the interpenetrating plate.

[0007] Preferably, the connection limiter is fixedly provided at the two ends of the connection between the partition plate and the insertion plate, and the connection limiter includes an insertion ring, a connection block and a sliding short column, one end of the connection block is fixedly provided with an outer wall of the insertion ring, and the other end of the connection block is fixedly provided with a sliding short column.

[0008] As a further preferred embodiment of the present invention, the pressing and stretching component includes a stretching assembly, a connecting spring and an opening angle component. The stretching assembly is provided in two groups and is arranged symmetrically. The opening angle components are interspersed at both ends of the two groups of the stretching assemblies, and the connecting springs are fixedly connected to both ends of the two groups of the stretching assemblies.

[0009] Furthermore, the expansion assembly includes a fitting support member and an extension column. The fitting support member is fixedly arranged to fit the outer walls of the partition plate and the insertion plate. The fitting support member is penetrated by an insertion hole, and the insertion hole is arranged cocentrically with the insertion ring. There are two extension columns, and the two extension columns are fixedly inserted inside the two ends of the insertion hole. The fitting support member proposed in the device of the present invention is made of high-hardness silicone, and the two ends of the insertion hole are inserted with extension columns. The two extension columns at the two ends are pushed by the angle components, so that the fitting support member moves in opposite directions, synchronously and efficiently.

[0010] Preferably, the open-angle component includes an open-angle A rod and an open-angle B rod, the upper ends of the open-angle A rod and the open-angle B rod are slidably connected, the lower end of the open-angle A rod is provided with a hole A, the upper end of the open-angle A rod is provided with a sliding groove A, the side of the sliding groove A of the open-angle A rod is fixedly provided with a fixing column, the other side of the sliding groove A of the open-angle A rod is fixedly provided with a wrapping ring, and a wrapping bearing is fixedly provided inside the wrapping ring.

[0011] As a further preferred embodiment of the present invention, a hole B1 is provided at the lower end of the open-angle B rod, a hole B2 is provided at the upper end of the open-angle B rod, the fixed column is inserted into the hole B2, and a sliding groove B is provided at the upper end of the open-angle B rod, and the sliding groove B is arranged relative to the sliding groove A. As the upper end of the open-angle A rod is pressed, the open-angle A rod and the open-angle B rod proposed in the device of the present invention are synchronously tilted at an angle, thereby achieving a distance separation between the two extension columns at the two ends, thereby improving the separation efficiency of the two fitted support members.

[0012] Furthermore, the pushing and limiting component includes a pushing component, a following component and a limiting groove component, the following component is interspersed on the pushing component, and the limiting groove component is fixedly connected to the bottom of the pushing component, the pushing component includes a supporting vertical rod, a pushing ring, a locking ring and a connecting bearing, the outer wall of the supporting vertical rod is provided with a spiral protrusion, the inner wall of the pushing ring is provided with a spiral groove, the spiral protrusion and the spiral groove are snap-arranged, the locking ring is arranged at the top of the pushing ring, the bottom of the pushing ring is fixedly provided with a connecting bearing, the outer ring of the connecting bearing is fixedly connected to the pushing ring, and the inner ring of the connecting bearing is fixedly connected to the top of the following component, the pushing ring proposed in the device of the present invention moves downward along the supporting vertical rod during rotation, the pushing ring pushes the connecting bearing to move downward synchronously, and the following ring component fixed to the connecting bearing moves downward during downward movement, the side interspersed column moves up and down, presses the wrapped bearing in the open angle component, drives the angle of the open angle A rod to change, thereby achieving displacement of the support extension column and achieving effective support effect.

[0013] Preferably, the follower component includes a follower ring and a side penetrating column, the top of the follower ring is fixedly connected to the inner ring of the connecting bearing, the side penetrating column is fixedly arranged on one side of the follower ring, and the extended end of the side penetrating column is inserted and fixed in the inner ring wrapping the bearing.

[0014] As a further preferred embodiment of the present invention, the limiting groove member includes an inner sliding groove, an outer sliding groove and a wrapping arc plate, the bottom of the supporting vertical rod is fixedly connected to the top of the outer sliding groove, the wrapping arc plate is wrapped around the outside of both ends of the inner sliding groove and the outer sliding groove, the pushing limiting component is arranged at the two ends of the interlaced partition component and the pressing and stretching component, and the sliding short column and the extension column slide in the inner sliding groove and the outer sliding groove.

[0015] The beneficial effects achieved by the present invention using the above structure are as follows: The fitting support member proposed in the device of the present invention is made of high-hardness silicone, and extension columns are inserted at both ends of the insertion holes to form a soft connection with the fitting support member through the extension columns. The two extension columns at both ends are pushed by the angle components, so that the fitting support member can move in opposite directions, synchronously and efficiently.

[0016] As the upper end of the open-angle A rod and the open-angle B rod proposed in the device of the present invention is pressed, the open-angle A rod and the open-angle B rod are synchronously tilted at an angle, thereby achieving the distance separation between the two extension columns at the two ends, thereby improving the separation efficiency of the two laminated support members.

[0017] (3) During the rotation process, the push ring proposed in the device of the present invention moves downward along the supporting vertical rod, and the push ring pushes the connecting bearing to move downward synchronously. During the downward movement of the follower ring member fixed to the connecting bearing, the side interlaced column moves in the up and down directions, pressing the wrapped bearing in the open angle component, driving the angle of the open angle A rod to change, thereby achieving the displacement of the support extension column and achieving an effective support effect.

[0018] (4) The device of the present invention adopts a physical mechanical structure and is applicable to a variety of situations. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A front view of an orthopedic distraction device proposed by the present invention; Figure 2 A side view of an orthopedic distraction device proposed by the present invention; Figure 3 It is a vertical view of an orthopedic distractor device proposed by the present invention; Figure 4 A top view of an orthopedic distractor device proposed by the present invention; Figure 5 for Figure 1 A cross-sectional view along the cutting line AA; Figure 6 for Figure 2 A cross-sectional view along the cutting line BB; Figure 7 for Figure 2 A cross-sectional view along the cutting line CC; Figure 8 A schematic diagram of the structure of an interlaced separation member of an orthopedic distractor device proposed by the present invention; Fig. 9 A schematic diagram of the structure of a pressing and spreading component of an orthopedic spreader device proposed by the present invention; Fig.10 A schematic structural diagram of a pushing and limiting component of an orthopedic distractor device proposed by the present invention; Fig.11 for Figure 3 A partial enlarged view of point Ⅰ in the middle.

[0020] Among them, 1. interspersed partition components, 2. pressed and stretched components, 3. pushed and limited components, 4. interspersed fixings, 5. connected and limited components, 6. stretched components, 7. connected springs, 8. open angle components, 9. pushed components, 10. followed components, 11. limited groove components, 12. partition plates, 13. interspersed plates, 14. interspersed rings, 15. connecting blocks, 16. sliding short columns, 17. fitted support components, 18. extended columns, 19. interspersed holes, 20. open angle A rods, 21 , open angle rod B, 22, hole A1, 23, sliding slot A, 24, fixed column, 25, wrapping ring, 26, wrapping bearing, 27, hole B1, 28, hole B2, 29, sliding slot B, 30, supporting vertical rod, 31, pushing ring, 32, locking ring, 33, connecting bearing, 34, spiral protrusion, 35, spiral groove, 36, follower ring, 37, side inserted column, 38, sliding inner groove, 39, sliding outer groove, 40, wrapping arc plate.

[0021] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0023] In the description of the present invention, it should be understood that terms such as “upper”, “lower”, “front”, “back”, “left”, “right”, “top”, “bottom”, “inside” and “outside” indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limiting the present invention.

[0024] like Figure 1-Figure 11 As shown, the present invention proposes an orthopedic spreader device, including an interlaced partitioning member 1, a pressed spreading member 2 and a pushed limiting member 3, the two ends of the interlaced partitioning member 1 and the pressed spreading member 2 are interlaced in the pushed limiting member 3 and slide, the pushed limiting member 3 and the pressed spreading member 2 are interlaced, the interlaced partitioning member 1 is fixedly connected to the pressed spreading member 2, the interlaced partitioning member 1 includes an interlaced fixture 4 and a connected limiting member 5, and the connected limiting member 5 is fixedly connected to the outer wall of the interlaced fixture 4.

[0025] There are two groups of interpenetrating partition members 1 , which are arranged symmetrically. The interpenetrating fixtures 4 include a partition plate 12 and an interpenetrating plate 13 . The partition plate 12 is fixedly connected to the upper end of the interpenetrating plate 13 .

[0026] The connection limiter 5 is fixedly connected to the two ends of the connection between the partition plate 12 and the insertion plate 13. The connection limiter 5 includes an insertion ring 14, a connection block 15 and a sliding short column 16. One end of the connection block 15 is fixedly connected to the outer wall of the insertion ring 14, and the other end of the connection block 15 is fixedly provided with a sliding short column 16.

[0027] The pressing and expanding component 2 includes an expanding component 6, a connecting spring 7 and an opening angle component 8. The expanding component 6 is provided in two groups and is arranged symmetrically. The opening angle components 8 are inserted at both ends of the two groups of expanding components 6. The connecting springs 7 are fixedly connected to both ends of the two groups of expanding components 6.

[0028] The support assembly 6 includes a fitting support member 17 and an extension column 18. The fitting support member 17 is fixedly arranged to fit the outer walls of the partition plate 12 and the insertion plate 13. The fitting support member 17 is penetrated by an insertion hole 19, and the insertion hole 19 is arranged cocentrically with the insertion ring 14. There are two extension columns 18, and the two extension columns 18 are fixedly inserted inside the two ends of the insertion hole 19.

[0029] The open-angle component 8 includes an open-angle A rod 20 and an open-angle B rod 21. The upper ends of the open-angle A rod 20 and the open-angle B rod 21 are slidably connected. The lower end of the open-angle A rod 20 is provided with a hole A-22. The upper end of the open-angle A rod 20 is provided with a sliding groove A23. The side of the sliding groove A23 of the open-angle A rod 20 is fixedly provided with a fixing column 24. The other side of the sliding groove A23 of the open-angle A rod 20 is fixedly provided with a wrapping ring 25, and a wrapping bearing 26 is fixedly provided inside the wrapping ring 25.

[0030] A hole B-27 is formed at the lower end of the open angle B rod 21, a hole B-28 is formed at the upper end of the open angle B rod 21, the fixing column 24 is inserted into the hole B-28, and a sliding groove B29 is formed at the upper end of the open angle B rod 21, and the sliding groove B29 is arranged opposite to the sliding groove A23.

[0031] The pushing and limiting component 3 includes a pushing component 9, a following component 10 and a limiting groove component 11. The following component 10 is inserted into the pushing component 9, and the limiting groove component 11 is fixedly connected to the bottom of the pushing component 9. The pushing component 9 includes a supporting vertical rod 30, a pushing ring 31, a locking ring 32 and a connecting bearing 33. A spiral protrusion 34 is provided on the outer wall of the supporting vertical rod 30, and a spiral groove 35 is provided on the inner wall of the pushing ring 31. The spiral protrusion 34 is engaged with the spiral groove 35. The locking ring 32 is arranged at the top of the pushing ring 31. A connecting bearing 33 is fixedly connected to the bottom of the pushing ring 31. The outer ring of the connecting bearing 33 is fixedly connected to the pushing ring 31, and the inner ring of the connecting bearing 33 is fixedly connected to the top of the following component 10.

[0032] The follower component 10 includes a follower ring 36 and a side inserted column 37. The top of the follower ring 36 is fixedly connected to the inner ring of the connecting bearing 33. The side inserted column 37 is fixedly arranged on one side of the follower ring 36. The extended end of the side inserted column 37 is inserted and fixed in the inner ring of the wrapped bearing 26.

[0033] The limiting groove member 11 includes an inner sliding groove 38, an outer sliding groove 39 and a wrapping arc plate 40. The bottom of the supporting vertical rod 30 is fixedly connected to the top of the outer sliding groove 39. The wrapping arc plate 40 is wrapped around the outside of both ends of the inner sliding groove 38 and the outer sliding groove 39. The pushing limiting member 3 is arranged at the two ends of the interlaced partition member 1 and the pressing and stretching member 2. The sliding short column 16 and the extension column 18 slide in the inner sliding groove 38 and the outer sliding groove 39.

[0034] When in use, the device of the present invention is in an initial state in which the two insertion plates 13 are in a fit state, which makes it convenient to insert the lower ends of the two insertion plates 13 between the two joints. After the insertion, the medical staff holds the pushing rings 31 in the pushing and limiting components 3 on both sides of the insertion and separation component 1 with both hands, and rotates the pushing rings 31 synchronously. Since the spiral grooves 35 are engaged with the spiral protrusions 34, the pushing rings 31 move downward along the supporting vertical rods 30 during the rotation. The connecting bearings 33 eliminate the rotational force of the pushing rings 31 during this process, so as to avoid the rotational force of the pushing rings 31 from causing friction to the follower component 10. The follower ring 36 moves downward as the connecting bearings 33 move downward, and the side insertion columns 37 are inserted into the wrapping bearings 26 of the wrapping rings 25 of the open angle A rod 20, driving the upper end of the open angle A rod 20 to move downward in height, and the holes B28 of the open angle B rod 21 slide and rotate around the fixing columns 24. , under the mutual restraint of the open angle A rod 20 and the open angle B rod 21, the hole A-22 and the hole B-27 are supported; the two extension columns 18 at both ends are separated, and the two extension columns 18 slide in the sliding inner groove 38 and the sliding outer groove 39, dragging the connecting spring 7, and the extension columns 18 at both ends drag the fitting support member 17 at the same time, through the interlaced ring 14, under the joint action, the auxiliary partition plate 12 and the interlaced plate 13 are separated, and the lower end of the interlaced plate 13 separates the joints. When separated to a suitable distance, the pushing ring 31 and the supporting vertical rod 30 are fixed by tightening the locking ring 32; when it is necessary to relax the device, loosen the locking ring 32, loosen the pushing ring 31 and rotate it in the opposite direction, the pushing ring 31 moves upward along the supporting vertical rod 30, the angle between the open angle components 8 becomes smaller, the distance between the two extension columns 18 at both ends is shortened, the connecting spring 7 is reset, and the medical staff evacuates the device.

[0035] The above is the overall workflow of the present invention, and you can repeat this step next time you use it.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0037] The present invention and its embodiments are described above, and such description is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if ordinary technicians in the field are inspired by it, without departing from the purpose of the invention, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the present invention.

Claims

1. An orthopedic distraction device, characterized in that: The invention comprises an interpenetrating partition member (1), a pressing and stretching member (2) and a pushing and limiting member (3), wherein the two ends of the interpenetrating partition member (1) and the pressing and stretching member (2) are interpenetrated in the pushing and limiting member (3) and slide, the pushing and limiting member (3) and the pressing and stretching member (2) are interpenetratingly arranged, the interpenetrating partition member (1) and the pressing and stretching member (2) are fixedly connected, and the interpenetrating partition member (1) comprises an interpenetrating fixing member (4) and a connecting limiting member (5), and the connecting limiting member (5) is fixedly arranged on the outer side of the interpenetrating fixing member (4).

2. An orthopedic distractor device according to claim 1, characterized in that: The interpenetrating partitioning members (1) are provided with two groups, and the two groups of the interpenetrating partitioning members (1) are arranged in an axisymmetric manner. The interpenetrating fixing members (4) comprise a partition plate (12) and an interpenetrating plate (13), and the partition plate (12) is fixedly connected to the upper end of the interpenetrating plate (13).

3. An orthopedic distractor device according to claim 2, characterized in that: The connection stopper (5) is fixedly connected to the two connecting ends of the partition plate (12) and the insertion plate (13), and the connection stopper (5) comprises an insertion ring (14), a connection block (15) and a sliding short column (16), one end of the connection block (15) is fixedly connected to the outer wall of the insertion ring (14), and the other end of the connection block (15) is fixedly provided with a sliding short column (16).

4. An orthopedic distractor device according to claim 3, characterized in that: The pressing and stretching component (2) comprises a stretching assembly (6), a connecting spring (7) and an opening angle component (8). The stretching assembly (6) is provided in two groups and is arranged symmetrically. The opening angle components (8) are inserted into the end portions of the two groups of the stretching assemblies (6). The connecting springs (7) are fixedly connected to the end portions of the two groups of the stretching assemblies (6).

5. An orthopedic distractor device according to claim 4, characterized in that: The expansion assembly (6) comprises a fitting support member (17) and an extension column (18); the fitting support member (17) is fixedly arranged at the outer wall of the connection between the partition plate (12) and the insertion plate (13); the fitting support member (17) is provided with an insertion hole (19) running through it; the insertion hole (19) and the insertion ring (14) are arranged concentrically; two extension columns (18) are provided, and the two extension columns (18) are fixedly connected and inserted at the two ends of the insertion hole (19).

6. An orthopedic distractor device according to claim 5, characterized in that: The open angle component (8) comprises an open angle A rod (20) and an open angle B rod (21), the upper ends of the open angle A rod (20) and the open angle B rod (21) are slidably connected, the lower end of the open angle A rod (20) is provided with a hole A-(22), the upper end of the open angle A rod (20) is provided with a sliding groove A (23), the same surface of the sliding groove A (23) of the open angle A rod (20) is fixedly connected with a fixing column (24), the back surface of the sliding groove A (23) of the open angle A rod (20) is connected with a wrapping ring (25), and a wrapping bearing (26) is fixedly connected inside the wrapping ring (25).

7. An orthopedic distractor device according to claim 6, characterized in that: The lower end of the open angle B rod (21) is provided with a hole B1 (27), the upper end of the open angle B rod (21) is provided with a hole B2 (28), the fixing column (24) is inserted into the hole B2 (28), and the upper end of the open angle B rod (21) is provided with a sliding groove B (29), and the sliding groove B (29) is arranged opposite to the sliding groove A (23).

8. An orthopedic distractor device according to claim 7, characterized in that: The pushing and limiting component (3) comprises a pushing component (9), a following component (10) and a limiting groove component (11); the following component (10) is inserted into the pushing component (9); the limiting groove component (11) is fixedly connected to the bottom of the pushing component (9); the pushing component (9) comprises a supporting vertical rod (30), a pushing ring (31), a locking ring (32) and a connecting bearing (33); a spiral protrusion (34) is provided on the outer wall of the supporting vertical rod (30); a spiral groove (35) is provided on the inner wall of the pushing ring (31); the spiral protrusion (34) and the spiral groove (35) are arranged in a snap-fitting manner; the locking ring (32) is provided on the top of the pushing ring (31); a connecting bearing (33) is fixedly connected to the bottom of the pushing ring (31); the top of the outer ring of the connecting bearing (33) is fixedly connected to the bottom of the pushing ring (31); the bottom of the inner ring of the connecting bearing (33) is fixedly connected to the top of the following component (10).

9. An orthopedic distractor device according to claim 8, characterized in that: The follower component (10) comprises a follower ring (36) and a side interpenetrating column (37), the top of the follower ring (36) is fixedly connected to the bottom of the inner ring of the connecting bearing (33), the side interpenetrating column (37) is fixedly arranged on one side of the follower ring (36), and the outlet end of the side interpenetrating column (37) is inserted into the wrapped bearing (26) and fixedly connected.

10. An orthopedic distractor device according to claim 9, characterized in that: The limiting groove member (11) comprises an inner sliding groove (38), an outer sliding groove (39) and a wrapping arc plate (40); the bottom of the supporting vertical rod (30) is fixedly connected to the top of the outer sliding groove (39); the wrapping arc plate (40) is wrapped around the outer ends of the inner sliding groove (38) and the outer sliding groove (39); the pushing limiting member (3) is arranged at the two ends of the interlaced partition member (1) and the pressing and stretching member (2); the sliding short column (16) and the extension column (18) slide in the inner sliding groove (38) and the outer sliding groove (39).

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