Bone cutting device

Abstract

The utility model relates to the technical field of orthopedic appliances, and discloses an osteotomy device which comprises a fixed rod part, a rotating rod part and an osteotomy needle knife positioning insertion plate part, one end of a second rod body of the rotating rod part is connected to a connecting shaft end arranged on a first rod body, and an angle arc rod is arranged at the other end of the first rod body. The other end of the second rod body is arranged on the angle arc rod in a sleeving mode through the sleeve frame end, and the osteotomy needle knife positioning insertion plate part is movably installed in the connecting groove channel, so that the osteotomy needle knife positioning insertion plate part can move on the first rod body and the second rod body; the distance between the osteotomy needle knife positioning insertion plate part and the positioning stop lever is adjusted by moving the osteotomy needle knife positioning insertion plate part, so that bones with different diameters can be conveniently clamped and fixed, and the angle between the first rod body and the second rod body is adjusted by rotating the second rod body, so that the angle between osteotomy needle knives inserted into the osteotomy needle knife positioning insertion plate part is adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of orthopedic instruments, in particular to an osteotome. Background Art

[0002] Osteotomy usually involves cutting off the locally diseased and necrotic bone tissue to restore the everted or distorted bone to its normal state.

[0003] The existing osteotomy device for osteotomy is not convenient for positioning the osteotomy needle knife during use, and the angle of the osteotomy needle knife is not convenient for positioning and adjusting during osteotomy. There is an urgent need for an osteotomy device that is convenient for positioning the osteotomy needle knife. Utility Model Content

[0004] The utility model provides an osteotome to solve the problems in the prior art.

[0005] The technical problem solved by the present invention is achieved by the following technical solutions:

[0006] An osteotome, comprising:

[0007] A fixed rod portion, the fixed rod portion comprising a first rod body and an angled arc rod provided at one end of the first rod body, the other end of the first rod body being provided with a connecting shaft end;

[0008] A rotating rod portion, comprising a second rod body and a sleeve end provided at one end of the second rod body, the other end of the second rod body being connected to the connecting shaft end, and the sleeve end being sleeved on the angle arc rod;

[0009] Wherein, the first rod body and the second rod body are both provided with a connecting groove, the connecting groove;

[0010] The osteotomy needle knife positioning plug plate portion is movably installed in the connecting groove.

[0011] In a specific embodiment, the upper end surfaces of the first rod and the second rod are both engraved with scale lines.

[0012] In a specific embodiment, the angle arc rod is engraved with an angle line.

[0013] In a specific embodiment, the connecting shaft end includes a shaft sleeve and a first bolt connected to the shaft sleeve, and a positioning stop rod is provided at the lower end of the shaft sleeve.

[0014] In a specific embodiment, an observation port is provided on the frame body of the sleeve end, and a sleeve port for being sleeved on the angle arc rod is provided on the frame body of the sleeve end. An indicator head is provided in the observation port, and a second bolt is threadedly installed on one side of the frame body of the sleeve end.

[0015] In a specific embodiment, the osteotomy needle knife positioning plug plate portion includes a positioning bone splint and a connecting plug plate end fixedly arranged at the upper end of the positioning bone splint, and the connecting plug plate end is plugged into the connecting groove;

[0016] One side of the positioning bone splint is an arc-shaped side, and the positioning bone splint is transversely provided with a socket for inserting an osteotomy needle knife;

[0017] The connecting plate end includes a plate fixedly arranged on the upper end of the positioning bone splint and a third bolt threadedly installed on the upper end of the plate. The thickness of the plate matches the slot width of the connecting channel, and the height of the plate matches the depth of the connecting channel.

[0018] The beneficial effects of the utility model are:

[0019] The second rod body is rotated to adjust the angle between the first rod body and the second rod body, so that the angle between the osteotomy needle knife inserted in the osteotomy needle knife positioning plate portion can be adjusted. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the implementation scheme of the present invention or the technical scheme in the prior art, the drawings required for use in the implementation scheme or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some implementation schemes of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0021] Figure 1 This is a schematic diagram of the overall structure of the utility model from the first perspective.

[0022] Figure 2 This is a schematic diagram of the overall structure of the utility model from a second perspective.

[0023] Figure 3 for Figure 2 Enlarged view of point A in the middle.

[0024] Figure 4This is a structural diagram of the positioning inserting plate portion of the osteotomy needle knife of the present invention.

[0025] In the figure: 100, fixed rod; 110, first rod body; 120, angle arc rod; 121, angle line; 130, connecting shaft end; 131, shaft sleeve; 132, first bolt; 133, positioning stop rod; 101, connecting groove; 102, scale line; 200, rotating rod; 210, second rod body; 220, sleeve end; 221, observation port; 222, sleeve mouth; 223, indicator head; 224, second bolt; 300, osteotomy needle knife positioning plug plate; 310, positioning bone splint; 311, arc mouth side; 312, socket; 320, connecting plug plate end; 321, plug plate; 322, third bolt. DETAILED DESCRIPTION

[0026] To make the purpose, technical solutions, and advantages of the embodiments of this application more clear, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the drawings in the embodiments of this application. Obviously, the described embodiments are part of the embodiments of this application, not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0027] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for protection, but merely represents selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0028] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0029] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on this application.

[0030] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. Throughout the description of this application, "plurality" means two or more, unless otherwise specifically defined.

[0031] In this application, unless otherwise expressly specified or limited, terms such as "mounted," "connected," "connect," and "fixed" should be interpreted broadly. For example, they may refer to fixed connection, detachable connection, or integration; they may refer to direct connection or indirect connection through an intermediate medium; they may refer to internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0032] In this application, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0033] Reference Figure 1-4 As shown, the utility model provides an osteotome, comprising:

[0034] The fixed rod portion 100 includes a first rod body 110 and an angled arc rod 120 provided at one end of the first rod body 110 , and a connecting shaft end 130 is provided at the other end of the first rod body 110 ;

[0035] The rotating rod 200 includes a second rod body 210 and a sleeve end 220 provided at one end of the second rod body 210. The other end of the second rod body 210 is connected to the connecting shaft end 130. The sleeve end 220 is sleeved on the angle arc rod 120.

[0036] The first rod body 110 and the second rod body 210 are both provided with a connecting groove 101;

[0037] The osteotomy needle knife positioning inserting plate portion 300 is movably installed in the connecting groove 101 .

[0038] One end of the second rod body 210 of the rotating rod part 200 is connected to the connecting shaft end 130 set on the first rod body 110, and an angle arc rod 120 is set at the other end of the first rod body 110, and the other end of the second rod body 210 is sleeved on the angle arc rod 120 through the sleeve end 220, and the osteotomy needle knife positioning plug-in part 300 is movably installed in the connecting groove 101, so that the osteotomy needle knife positioning plug-in part 300 can be moved on the first rod body 110 and the second rod body 210. Move. When in use, the osteotomy needle knife positioning plug plate part 300 and the positioning block rod 133 clamp the bone. Move the osteotomy needle knife positioning plug plate part 300 to adjust the distance between the osteotomy needle knife positioning plug plate part 300 and the positioning block rod 133, which is convenient for clamping and fixing bones of different diameters. Rotate the second rod body 210 to adjust the angle between the first rod body 110 and the second rod body 210, so that the angle between the osteotomy needle knives inserted in the osteotomy needle knife positioning plug plate part 300 can be adjusted.

[0039] As a further preferred embodiment of the above embodiment, scale lines 102 are engraved on the upper end surfaces of the first rod body 110 and the second rod body 210 .

[0040] An angle line 121 is engraved on the angle arc rod 120 .

[0041] As a further preferred embodiment of the above embodiment, the connecting shaft end 130 includes a shaft sleeve 131 and a first bolt 132 connected to the shaft sleeve 131 , and a positioning stop rod 133 is provided at the lower end of the shaft sleeve 131 .

[0042] As a further preference of the above embodiment, an observation port 221 is provided on the frame of the sleeve end 220, and a sleeve 222 for being sleeved on the angle arc rod 120 is provided on the frame of the sleeve end 220. An indicator head 223 is provided in the observation port 221, and the indicator head 223 is convenient for indicating the angle line 121 on the angle arc rod 120. A second bolt 224 is threadedly installed on one side of the frame of the sleeve end 220.

[0043] As a further preferred embodiment of the above embodiment, the osteotomy needle knife positioning plug plate portion 300 includes a positioning bone splint 310 and a connecting plug plate end 320 fixedly arranged on the upper end of the positioning bone splint 310, and the connecting plug plate end 320 is plugged into the connecting groove 101;

[0044] One side of the positioning bone splint 310 is an arc-shaped side 311, and the positioning bone splint 310 is laterally provided with a socket 312 for inserting an osteotomy needle knife;

[0045] The connecting plate end 320 includes a plate 321 fixedly arranged on the upper end of the positioning bone splint 310 and a third bolt 322 threadedly installed on the upper end of the plate 321. The thickness of the plate 321 matches the slot width of the connecting groove 101, and the height of the plate 321 matches the depth of the connecting groove 101.

[0046] When clamping the bone, the distance between the osteotomy needle knife positioning inserting plate portion 300 and the positioning blocking rod 133 is adjusted according to the diameter of the bone. After adjustment, the third bolt 322 is tightened to fix it, so as to facilitate the clamping of bones with different diameters.

[0047] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. An osteotome, characterized in that: include: A fixed rod portion (100), the fixed rod portion (100) comprising a first rod body (110) and an angled arc rod (120) provided at one end of the first rod body (110), and a connecting shaft end (130) provided at the other end of the first rod body (110); A rotating rod portion (200), the rotating rod portion (200) comprising a second rod body (210) and a sleeve end (220) arranged at one end of the second rod body (210), the other end of the second rod body (210) being connected to the connecting shaft end (130), and the sleeve end (220) being sleeved on the angle arc rod (120); Wherein, the first rod body (110) and the second rod body (210) are both provided with a connecting groove (101), and the connecting groove (101); An osteotomy needle knife positioning insert plate portion (300) is movably installed in the connecting channel (101).

2. An osteotome according to claim 1, characterized in that: The upper end surfaces of the first rod body (110) and the second rod body (210) are both engraved with scale lines (102).

3. The osteotome according to claim 1, characterized in that: An angle line (121) is engraved on the angle arc rod (120).

4. The osteotome according to claim 1, characterized in that: The connecting shaft end (130) comprises a shaft sleeve (131) and a first bolt (132) connected to the shaft sleeve (131); a positioning stop rod (133) is provided at the lower end of the shaft sleeve (131).

5. The osteotome according to claim 1, characterized in that: An observation port (221) is provided on the frame of the sleeve end (220), and a sleeve opening (222) for being sleeved on the angle arc rod (120) is provided on the frame of the sleeve end (220). An indicator head (223) is provided in the observation port (221), and a second bolt (224) is threadedly installed on one side of the frame of the sleeve end (220).

6. The osteotome according to claim 1, characterized in that: The osteotomy needle knife positioning plug plate portion (300) comprises a positioning bone splint (310) and a connecting plug plate end (320) fixedly arranged on the upper end of the positioning bone splint (310), and the connecting plug plate end (320) is plugged into the connecting groove (101); One side of the positioning bone splint (310) is an arc-shaped side (311), and the positioning bone splint (310) is laterally provided with a socket (312) for inserting an osteotomy needle knife; The connecting plate end (320) includes a plate (321) fixedly arranged on the upper end of the positioning bone splint (310) and a third bolt (322) threadedly installed on the upper end of the plate (321), the thickness of the plate (321) matches the slot width of the connecting channel (101), and the height of the plate (321) matches the depth of the connecting channel (101).

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