Locating sleeve for locking bone fracture plate

Abstract

The utility model relates to the technical field of medical instruments, and discloses a locking bone fracture plate positioning sleeve which comprises a limiting sliding sleeve, a stable adjusting assembly is arranged in the middle of the limiting sliding sleeve and used for stably conducting lifting adjustment, and an auxiliary positioning assembly is arranged on the right side of the stable adjusting assembly and used for stably conducting lifting adjustment. The auxiliary positioning assembly is used for controlling the distance of the sleeve, the stable adjusting assembly comprises an adjusting screw rod, and a sliding screw sleeve is arranged on the outer side of the adjusting screw rod. According to the positioning sleeve for locking the bone fracture plate, the stable adjusting assembly is installed, the limiting sliding sleeve can be used for limiting the structure on the inner side, an adjusting screw can be installed and rotate stably, and meanwhile the sliding screw sleeve on the outer side can be driven to conduct lifting adjustment through rotation; the main bearing can be stably controlled to conduct lifting adjustment under the action of the adjusting sliding block, the adjusting stability can be kept through the stable adjusting assembly, and therefore the time spent on adjustment is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to a locking bone plate positioning sleeve. Background Art

[0002] Locking plates are used to fix bones in patients with broken bones. Locking with the bolt structure can maintain the stability of the plate installation. In order to better ensure that the drilling and bolt installation will not be tilted, a positioning sleeve is usually required to limit it.

[0003] In the prior art, when the positioning sleeve is used, there is no limiting structure when it is raised and lowered, and it cannot be adjusted stably, resulting in a long time for positioning. Utility Model Content

[0004] The utility model aims to provide a locking bone plate positioning sleeve to solve the problem in the above-mentioned background technology that there is no limiting structure during lifting and lowering adjustment, the adjustment cannot be performed stably, and the positioning takes a long time.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a locking bone plate positioning sleeve, comprising a limiting sliding sleeve, a stabilizing adjustment component is arranged in the middle of the limiting sliding sleeve, and the stabilizing adjustment component is used for stably performing lifting and lowering adjustment, an auxiliary positioning component is arranged on the right side of the stabilizing adjustment component, and the auxiliary positioning component is used for controlling the distance of the sleeve;

[0006] The stable adjustment component comprises an adjustment screw, and a sliding screw sleeve is arranged on the outer side of the adjustment screw, and adjustment sliders are installed on both sides of the sliding screw sleeve, and a main bearing is installed on the outer side of the adjustment slider;

[0007] The auxiliary positioning assembly includes a limit frame, and the limit frame is located on the right side of the main bearing. A rotating screw is arranged on the inner side of the limit frame, and a limit slider is arranged on the outer side of the rotating screw. A positioning sleeve is installed on the front side of the outer side of the limit slider.

[0008] Preferably, a limiting sliding groove is provided on the inner side of the limiting sliding sleeve, and the limiting sliding groove is located on the sliding screw sleeve, a base is installed at the bottom of the limiting sliding sleeve, and a combined end is installed at the bottom of the base.

[0009] Preferably, a limiting disk is installed on the upper end of the limiting sliding sleeve, and a combination groove is opened on the inner side of the limiting disk, and a through groove is opened on the inner side of the combination groove.

[0010] Preferably, an upper bearing is provided at the top of the adjusting screw, and the upper bearing is located on the inner side of the combined groove, an adjusting knob is installed at the top of the upper bearing, and a lower bearing is installed at the lower end of the adjusting screw.

[0011] Preferably, an adjusting screw groove is provided on the inner side of the sliding screw sleeve, and the adjusting screw groove is located on the outer side of the adjusting screw.

[0012] Preferably, an auxiliary knob is installed on the right side of the rotating screw, and the auxiliary knob is located on the right side of the limiting frame.

[0013] Preferably, a sliding bracket is provided on the outer side of the limiting sliding block, and the sliding bracket is located on the front side of the positioning sleeve.

[0014] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0015] First, the utility model is equipped with a stable adjustment component, and a limit sleeve is used to provide restrictions for the inner structure, so that the adjustment screw can be installed and rotated stably. At the same time, the rotation can drive the outer sliding screw sleeve to perform lifting and lowering adjustment. Under the action of the adjustment slider, the main bearing can be stably controlled to perform lifting and lowering adjustment. The stable adjustment component can maintain the adjustment stability, thereby shortening the time spent on adjustment.

[0016] Secondly, the utility model is equipped with an auxiliary positioning component, and the existing positioning sleeve cannot be telescopically adjusted according to the situation, resulting in that positioning holes at different distances cannot be effectively positioned. The limiting slider can be driven to slide and adjust by utilizing the limiting frame and the rotating screw. When the limiting slider slides and adjusts, it will drive the positioning sleeve to move. By adjusting the distance according to the positioning holes at different distances and then adjusting the angle with the main bearing, quick positioning can be achieved, which is convenient for adjustment according to the positioning holes at different distances. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the limit sleeve of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the adjusting screw of the utility model;

[0020] Figure 4 This is a schematic diagram of the main bearing structure of the utility model;

[0021] Figure 5 It is a schematic diagram of the positioning screw sleeve structure of the utility model.

[0022] Wherein: 1. limit sleeve; 101. limit slide groove; 102. base; 103. combination end; 104. limit plate; 105. combination groove; 106. through groove; 2. adjusting screw; 201. upper bearing; 202. adjusting knob; 203. lower bearing; 3. main bearing; 301. sliding sleeve; 302. adjusting screw groove; 303. adjusting slider; 4. limit frame; 401. rotating screw; 402. auxiliary knob; 5. positioning sleeve; 501. limit slider; 502. sliding bracket. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-5 A locking bone plate positioning sleeve comprises a limiting sliding sleeve 1, a stabilizing adjustment component is arranged in the middle of the limiting sliding sleeve 1, and the stabilizing adjustment component is used for stabilizing the lifting and lowering adjustment, an auxiliary positioning component is arranged on the right side of the stabilizing adjustment component, and the auxiliary positioning component is used for controlling the distance of the sleeve;

[0025] The stable adjustment component includes an adjustment screw 2, and a sliding screw sleeve 301 is arranged on the outer side of the adjustment screw 2, and adjustment sliders 303 are installed on both sides of the sliding screw sleeve 301, and a main bearing 3 is installed on the outer side of the adjustment slider 303;

[0026] The auxiliary positioning assembly includes a limit frame 4, and the limit frame 4 is located on the right side of the main bearing 3. A rotating screw 401 is arranged on the inner side of the limit frame 4, and a limit slider 501 is arranged on the outer side of the rotating screw 401. A positioning sleeve 5 is installed on the front side of the outer side of the limit slider 501.

[0027] Through the above technical solution, the limiting sleeve 1 can be used to provide restrictions for the inner structure, so that the adjusting screw 2 can be installed and rotated stably. At the same time, the rotation can drive the outer sliding sleeve 301 to be raised and lowered. Under the action of the adjusting slider 303, the main bearing 3 can be stably controlled to be raised and lowered. The stable adjustment component can maintain the adjustment stability, thereby shortening the adjustment time.

[0028] Through the above technical solution, the limit frame 4 and the rotating screw 401 can be used to drive the limit slider 501 to slide and adjust. When the limit slider 501 slides and adjusts, it will drive the positioning sleeve 5 to move. By adjusting the distance according to the positioning holes at different distances and then adjusting the angle with the main bearing 3, rapid positioning can be achieved, which is convenient for adjustment according to the positioning holes at different distances.

[0029] Specifically, a limiting sliding groove 101 is provided on the inner side of the limiting sliding sleeve 1 , and the limiting sliding groove 101 is located on the sliding screw sleeve 301 . A base 102 is installed at the bottom of the limiting sliding sleeve 1 , and a combined end 103 is installed at the bottom of the base 102 .

[0030] Through the above technical solution, the limiting slide groove 101 can provide limiting auxiliary sliding adjustment for the inner structure, the base 102 can provide support for the overall structure of the top, and the combined end 103 can be combined and fixed with the installed groove bolts.

[0031] Specifically, a limiting plate 104 is installed on the upper end of the limiting sliding sleeve 1 , and a combination groove 105 is provided on the inner side of the limiting plate 104 , and a through groove 106 is provided on the inner side of the combination groove 105 .

[0032] Through the above technical solution, the combined groove 105 on the inner side of the limiting plate 104 can provide restriction for the upper bearing 201 , and the through groove 106 can provide restriction for the adjusting screw 2 .

[0033] Specifically, an upper bearing 201 is provided at the top of the adjusting screw 2 , and the upper bearing 201 is located on the inner side of the combination groove 105 , an adjusting knob 202 is installed on the top of the upper bearing 201 , and a lower bearing 203 is installed at the lower end of the adjusting screw 2 .

[0034] Through the above technical solution, the upper bearing 201 and the lower bearing 203 can assist the adjustment screw 2 in rotational adjustment, and the adjustment knob 202 can provide a grip for the user to facilitate rotational adjustment.

[0035] Specifically, an adjusting screw groove 302 is formed on the inner side of the sliding screw sleeve 301 , and the adjusting screw groove 302 is located on the outer side of the adjusting screw rod 2 .

[0036] Through the above technical solution, the adjusting screw groove 302 can be combined with the adjusting screw rod 2 to assist in lifting and lowering adjustment.

[0037] Specifically, an auxiliary knob 402 is installed on the right side of the rotating screw 401 , and the auxiliary knob 402 is located on the right side of the limiting frame 4 .

[0038] Through the above technical solution, the auxiliary knob 402 can control the rotating screw 401 to drive the limiting slider 501 to adjust the position by rotating.

[0039] Specifically, a sliding bracket 502 is disposed on the outer side of the limiting sliding block 501 , and the sliding bracket 502 is located on the front side of the positioning sleeve 5 .

[0040] Through the above technical solution, the sliding bracket 502 is used to connect the limiting slider 501 and the positioning sleeve 5 to maintain the stability of the sliding adjustment.

[0041] When in use, first fix the combined end 103 on the top of the groove bolt, then control the adjusting knob 202 to drive the adjusting screw 2 to rotate according to the situation, transmit and control the sliding screw sleeve 301 and the main bearing 3 to adjust the height, and after adjustment, the rotating angle controls the rotating screw 401 to drive the limiting slider 501 to move, thereby controlling the positioning sleeve 5 to be positioned at the top of the positioning hole for bolt installation.

[0042] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit thereof, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A locking bone plate positioning sleeve, comprising a limiting sliding sleeve (1), characterized in that: A stabilizing adjustment component is arranged in the middle of the limiting sliding sleeve (1), and the stabilizing adjustment component is used for stabilizing the lifting and lowering adjustment; an auxiliary positioning component is arranged on the right side of the stabilizing adjustment component, and the auxiliary positioning component is used for controlling the distance of the sleeve; The stable adjustment component comprises an adjustment screw (2), and a sliding screw sleeve (301) is arranged on the outer side of the adjustment screw (2), adjustment sliders (303) are installed on both sides of the sliding screw sleeve (301), and a main bearing (3) is installed on the outer side of the adjustment slider (303); The auxiliary positioning component comprises a limit frame (4), and the limit frame (4) is located on the right side of the main bearing (3), a rotating screw (401) is arranged on the inner side of the limit frame (4), and a limit slider (501) is arranged on the outer side of the rotating screw (401), and a positioning sleeve (5) is installed on the front side of the outer side of the limit slider (501).

2. A locking bone plate positioning sleeve according to claim 1, characterized in that: A limiting sliding groove (101) is provided on the inner side of the limiting sliding sleeve (1), and the limiting sliding groove (101) is located on the sliding screw sleeve (301). A base (102) is installed at the bottom of the limiting sliding sleeve (1), and a combined end (103) is installed at the bottom of the base (102).

3. The locking bone plate positioning sleeve according to claim 1, characterized in that: A limiting plate (104) is installed on the upper end of the limiting sliding sleeve (1), and a combination groove (105) is provided on the inner side of the limiting plate (104), and a through groove (106) is provided on the inner side of the combination groove (105).

4. A locking bone plate positioning sleeve according to claim 1, characterized in that: An upper bearing (201) is arranged at the top of the adjusting screw (2), and the upper bearing (201) is located on the inner side of the combination groove (105). An adjusting knob (202) is installed at the top of the upper bearing (201), and a lower bearing (203) is installed at the lower end of the adjusting screw (2).

5. The locking bone plate positioning sleeve according to claim 1, characterized in that: An adjusting screw groove (302) is provided on the inner side of the sliding screw sleeve (301), and the adjusting screw groove (302) is located on the outer side of the adjusting screw rod (2).

6. A locking bone plate positioning sleeve according to claim 1, characterized in that: An auxiliary knob (402) is installed on the right side of the rotating screw rod (401), and the auxiliary knob (402) is located on the right side of the limiting frame (4).

7. The locking bone plate positioning sleeve according to claim 1, characterized in that: A sliding bracket (502) is provided on the outer side of the limiting sliding block (501), and the sliding bracket (502) is located on the front side of the positioning sleeve (5).

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