CN111820987A - Position adjusting assembly and osteotomy guide device - Google Patents

Position adjusting assembly and osteotomy guide device Download PDF

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Publication number
CN111820987A
CN111820987A CN202010438806.4A CN202010438806A CN111820987A CN 111820987 A CN111820987 A CN 111820987A CN 202010438806 A CN202010438806 A CN 202010438806A CN 111820987 A CN111820987 A CN 111820987A
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China
Prior art keywords
guide
fixing
osteotome
outer sleeve
inner sleeve
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CN202010438806.4A
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Chinese (zh)
Inventor
郜永斌
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Beijing Jishuitan Hospital
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Beijing Jishuitan Hospital
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Application filed by Beijing Jishuitan Hospital filed Critical Beijing Jishuitan Hospital
Priority to CN202010438806.4A priority Critical patent/CN111820987A/en
Publication of CN111820987A publication Critical patent/CN111820987A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/17Guides or aligning means for drills, mills, pins or wires
    • A61B17/1732Guides or aligning means for drills, mills, pins or wires for bone breaking devices
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/14Surgical saws ; Accessories therefor
    • A61B17/15Guides therefor
    • A61B17/151Guides therefor for corrective osteotomy

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)

Abstract

The invention provides a position adjusting assembly and a osteotomy guiding device, which relate to the technical field of medical instruments and comprise: the outer sleeve and the inner sleeve are sleeved in the outer sleeve; the inner sleeve is internally provided with an accommodating cavity for accommodating the medical osteotome, and the inner sleeve is configured to be capable of rotating along the axis direction of the inner sleeve so as to drive the medical osteotome to rotate along the circumferential direction of the outer sleeve. Through set up the holding chamber that can place osteotome or electric saw in the inner sleeve, fixed outer sleeve just drives the inner skleeve and rotates along self axis direction, changes the orientation that is located osteotome or electric saw in the inner skleeve, has alleviated the technical problem that the osteotome director that exists among the prior art can't quick adjustment osteotome or electric saw orientation, has realized in the operation of cutting the bone, the technological effect of quick adjustment osteotome or electric saw orientation.

Description

Position adjusting assembly and osteotomy guide device
Technical Field
The invention relates to the technical field of medical appliances, in particular to a position adjusting assembly and an osteotomy guiding device.
Background
In hospital orthopedic clinical surgery, correcting diaphyseal deformities is one of the common procedures, and osteotomy is a necessary surgical procedure. Planar osteotomies are easier to handle, whereas V-shaped osteotomies are more laborious: in order to avoid bone splitting during bone cutting, a bone needs to be in a designed level before the bone cutting, a V-shaped hole is drilled on a backbone by an electric drill, and the residual bone is cut by a osteotome to form a V-shaped bone cutting end, so that conditions are created for correcting the deformity of the backbone in the next step.
In order to fix the osteotome or the electric saw, the osteotome or the electric saw is generally fixed by using the osteotomy guide, and the accuracy of the cutting position is ensured.
However, in the operation process, when the orientation of the osteotome or the electric saw is changed, the osteotome or the electric saw can only be taken out of the osteotomy guide, the orientation of the osteotomy guide is integrally rotated after the osteotome or the electric saw is taken out, and then the osteotome or the electric saw is installed in the osteotomy guide again, so that the position adjustment of the osteotome or the electric saw is complicated, and the orientation of the osteotome or the electric saw cannot be quickly adjusted.
Disclosure of Invention
The invention aims to provide a position adjusting assembly and a osteotomy guide device, so as to solve the technical problem that the orientation of a osteotome or an electric saw cannot be quickly adjusted by the osteotomy guide device in the prior art.
In a first aspect, the present invention provides a position adjustment assembly comprising: the outer sleeve and the inner sleeve are sleeved in the outer sleeve;
the inner sleeve is internally provided with an accommodating cavity for accommodating the medical osteotome, and the inner sleeve is configured to be capable of rotating along the axis direction of the inner sleeve so as to drive the medical osteotome to rotate along the circumferential direction of the outer sleeve.
In an alternative embodiment, a positioning groove is formed in the inner wall of the outer sleeve, and a positioning protrusion is arranged in the circumferential direction of the inner sleeve and extends into the positioning groove.
In an alternative embodiment, the position adjustment assembly further comprises a first guide;
the first guide piece is connected with the outer sleeve and is used for enabling the Kirschner wire to pass through.
In a second aspect, the present invention provides an osteotomy guide comprising a fixing body, a connecting member and said position adjustment assembly;
the connecting member is connected with the outer sleeve, and a sliding path along which the connecting member is movable is provided on the fixing body.
In an alternative embodiment, the osteotomy guide further comprises a fixation member;
the fixing component is connected with one end, far away from the outer sleeve, of the connecting component, a through hole for the medical osteotome to pass through is formed in the fixing component, and the fixing component is configured to limit the medical osteotome to move.
In an alternative embodiment, the osteotomy guide further comprises a second guide;
the second guide is connected with the fixing member.
In an alternative embodiment, the fixing member is provided with a sliding groove;
and a sliding protrusion is arranged on the outer surface of the second guide piece, extends into the sliding groove, and slides along the sliding groove.
In an alternative embodiment, the osteotomy guide further comprises a positioning member;
the positioning member is connected with the second guide piece, and the positioning member is configured to be capable of extending into the sliding groove to be connected with the fixing member so as to limit the movement of the second guide piece.
In an alternative embodiment, the connecting member comprises a first connector and a second connector;
a first fixing groove is formed in the fixing main body, one end of the first connecting piece is connected with the outer sleeve, the other end of the first connecting piece extends into the first fixing groove, and the first connecting piece can slide along the first fixing groove;
the fixing body is provided with a second fixing groove, one end of the second connecting piece is connected with the fixing component, the other end of the first connecting piece extends into the second fixing groove, and the second connecting piece can slide along the second fixing groove.
In an alternative embodiment, a telescopic tube is arranged in the fixed body;
the extension tube is telescopically mounted in the fixed body.
The invention provides a position adjustment assembly, comprising: the outer sleeve and the inner sleeve are sleeved in the outer sleeve; the inner sleeve is internally provided with an accommodating cavity for accommodating the medical osteotome, and the inner sleeve is configured to be capable of rotating along the axis direction of the inner sleeve so as to drive the medical osteotome to rotate along the circumferential direction of the outer sleeve. Through set up the holding chamber that can place osteotome or electric saw in the inner sleeve, fixed outer sleeve just drives the inner skleeve and rotates along self axis direction, changes the orientation that is located osteotome or electric saw in the inner skleeve, has alleviated the technical problem that the osteotome director that exists among the prior art can't quick adjustment osteotome or electric saw orientation, has realized in the operation of cutting the bone, the technological effect of quick adjustment osteotome or electric saw orientation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic overall structure diagram of a position adjustment assembly according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an internal structure of a position adjustment assembly according to an embodiment of the present invention;
FIG. 3 is a schematic view of the overall construction of an osteotomy guide provided in accordance with an embodiment of the present invention;
FIG. 4 is a schematic view of an osteotomy guide assembly having a secondary guide member in accordance with an embodiment of the present invention;
FIG. 5 is a schematic view of the first, second and third K-wires before osteotomy in the osteotomy guide apparatus provided in accordance with an embodiment of the present invention;
FIG. 6 is a schematic diagram illustrating the second and third K-wires after osteotomy in the osteotomy guide apparatus provided in accordance with an embodiment of the present invention;
fig. 7 is a schematic view of the second k-wire and the third k-wire at another viewing angle after osteotomy in the osteotomy guiding device provided in the embodiment of the invention.
Icon: 100-an outer sleeve; 200-an inner sleeve; 210-a positioning projection; 300-a first guide; 400-a stationary body; 410-a first fixation slot; 420-a second fixation slot; 500-a connecting member; 510-a first connector; 520-a second connector; 600-a fixation member; 610-a sliding groove; 700-a second guide; 800-a positioning member; 900-telescoping tube; 10-a first k-wire; 20-a second k-wire; 30-third kirschner wire.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
As shown in fig. 1, the position adjustment assembly provided in this embodiment includes: an outer sleeve 100 and an inner sleeve 200 sleeved in the outer sleeve 100; an accommodating cavity for accommodating the medical osteotome is arranged in the inner sleeve 200, and the inner sleeve 200 is configured to rotate along its axis direction to drive the medical osteotome to rotate along the circumferential direction of the outer sleeve 100.
Specifically, the outer sleeve 100 is a hollow structure, the inner sleeve 200 is disposed inside the outer sleeve 100, the inner sleeve 200 is a hollow structure, the medical osteotome is fixed in the accommodating cavity of the inner sleeve 200, the inner sleeve 200 can rotate along the axis direction thereof, so that the inner sleeve 200 can rotate relative to the outer sleeve 100, and under the condition that the outer sleeve 100 is not moved, the inner sleeve 200 rotates, thereby changing the orientation of the medical osteotome.
In addition, the top of the inner sleeve 200 is provided with a protruding part, the middle part of the protruding part penetrates through the middle part of the inner sleeve, and medical staff holds the protruding part to rotate, so that the inner sleeve 200 and the protruding part rotate together to adjust the orientation of the medical osteotome.
Set up the angle scale at the top of outer sleeve 100, set up the arrow head at the top of inner sleeve 200, cooperation between arrow head and the angle scale, medical personnel of being convenient for know inner sleeve 200 pivoted angle, know the orientation angle of medical osteotome.
A through hole is formed in the sidewall of the outer sleeve 100, and a bolt shank is inserted through the through hole to contact the inner sleeve 200, thereby restricting the rotation of the inner sleeve 200.
The embodiment provides a position adjustment assembly, includes: an outer sleeve 100 and an inner sleeve 200 sleeved in the outer sleeve 100; an accommodating cavity for accommodating the medical osteotome is arranged in the inner sleeve 200, and the inner sleeve 200 is configured to rotate along its axis direction to drive the medical osteotome to rotate along the circumferential direction of the outer sleeve 100. Through set up the holding chamber that can place osteotome or electric saw in inner sleeve 200, fixed outer sleeve 100 just drives inner sleeve 200 and rotates along self axis direction, changes the orientation that is located osteotome or electric saw in inner sleeve 200, has alleviated the technical problem that the osteotome director that exists among the prior art can't quick adjustment osteotome or electric saw orientation, has realized in the operation of cutting the bone, the technological effect of quick adjustment osteotome or electric saw orientation.
On the basis of the above embodiment, as shown in fig. 2, in an alternative embodiment, the position adjusting assembly provided in this embodiment has a positioning groove formed on the inner wall of the outer sleeve 100, and a positioning protrusion 210 is formed on the inner sleeve 200 in the circumferential direction, and the positioning protrusion 210 extends into the positioning groove.
Specifically, a positioning groove is formed in the inner circumferential direction of the outer sleeve 100, a positioning protrusion 210 is arranged in the outer circumferential direction of the inner sleeve 200, the positioning protrusion 210 extends into the positioning groove, and the positioning protrusion 210 can slide along the positioning groove, so that the inner sleeve 200 can rotate in the outer sleeve 100 along the axis direction thereof.
In an alternative embodiment, the position adjustment assembly further comprises a first guide 300; first guide 300 is attached to outer sleeve 100, first guide 300 being used to pass a K-wire therethrough.
Specifically, the first guide 300 is arranged on the outer surface of the outer sleeve 100, the first guide 300 is connected with the outer surface of the outer sleeve 100, the first guide 300 is arranged as a guide pipe, the kirschner wire penetrates through the first guide 300, the first guide 300 can limit the driving direction of the kirschner wire, and the accuracy of the insertion direction of the kirschner wire is ensured.
In the position adjusting assembly provided by this embodiment, the positioning protrusion 210 is disposed on the inner sleeve 200, the positioning groove is disposed in the outer sleeve 100, and the positioning protrusion 210 and the positioning groove are matched with each other, so that the inner sleeve 200 can rotate in the outer sleeve 100 along its axis direction; the kirschner wire is guided by providing the first guide 300 on the surface of the outer sleeve 100.
On the basis of the above embodiments, as shown in fig. 3 and 4, the osteotomy guiding device provided by the present embodiment comprises a fixing body 400, a connecting member 500 and a position adjusting assembly; connecting member 500 is coupled to outer sleeve 100, and a sliding path along which connecting member 500 can move is provided on fixing body 400.
Specifically, connecting member 500 is fixedly connected to outer sleeve 100, fixing body 400 is configured as a hollow guide rod, and connecting member 500 slides along a sliding path on fixing body 400 to adjust the position of outer sleeve 100, thereby changing the position of the medical osteotome.
In an alternative embodiment, the osteotomy guide further comprises a fixation member 600; fixing member 600 is connected to an end of connecting member 500 remote from outer sleeve 100, fixing member 600 is provided with a through hole for passing a medical osteotome therethrough, and fixing member 600 is configured to restrict movement of the medical osteotome.
Specifically, the fixing member 600 is disposed at one end of the connecting member 500 away from the outer sleeve 100, a through hole is formed in the fixing member 600, the medical osteotome can pass through the through hole, and the fixing member 600 limits the movement of the medical osteotome to fix the cutting position of the medical osteotome.
In addition, it should be noted that the position of the fixing member 600 is adjusted during the movement of the connection member 500 along the sliding path on the fixing body 400, thereby adjusting the position of the medical osteotome.
In an alternative embodiment, the osteotomy guide further comprises a second guide 700; the second guide 700 is connected with the fixing member 600.
Specifically, the second guide 700 is disposed on the side of the fixing member 600 away from the connecting member 500, and the second guide 700 has the same structure as the first guide 300, so that the kirschner wire can pass through the second guide 700, thereby restricting the driving direction of the kirschner wire.
In an alternative embodiment, the fixing member 600 is provided with a sliding groove 610; the second guide 700 is provided at an outer surface thereof with a sliding protrusion extending into the sliding groove 610, the sliding protrusion sliding along the sliding groove 610.
Specifically, a sliding groove 610 is formed in the outer side wall of the fixing member 600, and a sliding protrusion on the outer surface of the second guide 700 extends into the sliding groove 610, so that the second guide 700 can move along the sliding groove 610, and the kirschner wire located in the second guide 700 can rotate.
In addition, an angle scale is provided on the fixing member 600 so that the rotation angle of the second guide 700 can be known.
The osteotomy guide device provided by the present embodiment limits the position of the medical osteotome by the fixing member 600 by providing the fixing member 600 on the connecting member 500; by providing the second guide 700 on the fixing member 600 and allowing the second guide 700 to move along the slide groove 610 on the fixing member 600, the k-wire in the second guide 700 is rotated, and the position of the k-wire is changed.
On the basis of the above embodiment, in an alternative implementation, the osteotomy guiding device provided by the present embodiment further comprises a positioning member 800; the positioning member 800 is coupled to the second guide 700, and the positioning member 800 is configured to be inserted into the sliding groove 610 to be coupled to the fixing member 600, so as to restrict the movement of the second guide 700.
Specifically, the positioning member 800 includes a positioning block and a bolt rod, the positioning block is fixedly connected to the second guide 700, a through hole is formed in the positioning block, the bolt rod is screwed to penetrate through the through hole and extend into the sliding groove 610, so that movement of the positioning block is limited, and movement of the second guide 700 is limited, after the bolt rod is unscrewed, the bolt rod extends out of the sliding groove 610, and movement limitation of the second guide 700 is removed.
In an alternative embodiment, the connecting member 500 includes a first connector 510 and a second connector 520; a first fixing groove 410 is formed on the fixing body 400, one end of a first connecting member 510 is connected to the outer sleeve 100, the other end of the first connecting member 510 extends into the first fixing groove 410, and the first connecting member 510 can slide along the first fixing groove 410; the fixing body 400 is provided with a second fixing groove 420, one end of a second link 520 is connected to the fixing member 600, the other end of the first link 510 extends into the second fixing groove 420, and the second link 520 can slide along the second fixing groove 420.
Specifically, the first connector 510 is connected to the outer sleeve 100, the first connector 510 slides along the first fixing groove 410 of the fixing body 400, the second connector 520 is connected to the fixing member 600, the second connector 520 slides along the second fixing groove 420 of the fixing body 400, and the first connector 510 and the second connector 520 are provided with scale marks, so that the moving distance of the first connector 510 and the second connector 520 can be known conveniently.
Alternatively, first connector 510 and second connector 520 may be integrally formed to allow outer sleeve 100 and stationary member 600 to rotate simultaneously.
In an alternative embodiment, a telescopic tube 900 is provided inside the fixing body 400; the telescopic tube 900 is telescopically installed in the fixing body 400.
Specifically, the telescopic tube 900 is disposed in the fixing main body 400, the telescopic tube 900 can be extended and retracted along the fixing main body 400, a through hole is formed in a side wall of the fixing main body 400, and a bolt passes through the through hole to contact the telescopic tube 900 to limit movement of the telescopic tube 900.
Scale marks are provided on the outer surface of the telescopic tube 900 to facilitate the knowledge of the distance that the telescopic tube 900 extends into the fixing body 400.
It should be noted that the connecting member 500 is a circular arc as a whole, and after the telescopic tube 900 is completely extended from the fixing body 400, the end of the telescopic tube 900 is at the center of the circular arc connecting member 500.
As shown in fig. 5, 6 and 7, wherein fig. 7 is a side view of fig. 6, the osteotomy guide is used as follows: before osteotomy, the deformed bone is simulated by using 3D to obtain relevant dimension data of the deformed bone, a first Kirschner wire 10 is firstly driven into the bone, the first Kirschner wire 10 is a positioning Kirschner wire, the needle point of the Kirschner wire does not go out of the contralateral cortex, a telescopic tube 900 is retracted into the fixing main body 400 in advance according to the diameter of the deformed bone and locked, the telescopic tube 900 is sleeved on the Kirschner wire, the retraction length of the telescopic tube 900 is consistent with the diameter of the bone, the circle center of a circular arc-shaped connecting component 500 is ensured to be the vertex of the quasi-Kirschner wire, and the projection of the connecting component 500 is overlapped with the long axis of the diap.
According to the deformed bone simulated in 3D and the scales on the first connecting piece 510 and the second connecting piece 520, the positions of the first connecting piece 510 and the second connecting piece 520 are adjusted in a sliding mode, so that the orientation angles of the inner sleeve 200 and the fixing member 600 are determined, and after the adjustment is finished, the second Kirschner wire 20 is driven into the bone through the first guide 300.
The angle of the second guide 700 is preset based on the angle scale on the deformed bone and the fixing member 600 which are simulated in 3D, the second guide 700 is fixed by the positioning member 800, and the third k-wire 30 is driven into the bone through the second guide 700.
After all the three Kirschner wires are fixed, determining the orientation angle of a first osteotome according to the deformed bone simulated by 3D, determining the rotation angle of the inner sleeve 200 according to the angle scales on the outer sleeve 100 and the arrow on the inner sleeve 200, determining the angle of the rear fixed inner sleeve 200, enabling the first osteotome to penetrate through the inner sleeve 200, enabling a second osteotome to penetrate through the fixing member 600, and cutting the bone along the directions of the osteotomy grooves in the inner sleeve 200 and the fixing member 600.
After the osteotomy is finished, the intercepted bone together with the first Kirschner wire 10 and the whole osteotomy guide device is taken down, the second Kirschner wire 20 and the third Kirschner wire 30 are left on the bone, the second Kirschner wire 20 or the third Kirschner wire 30 is used for driving the bone to rotate along the axis direction of the bone, the second Kirschner wire 20 and the third Kirschner wire 30 are combined by using a reduction forceps, the bone is covered, the second Kirschner wire 20 and the third Kirschner wire 30 are overlapped at the moment, the deformity correction is finished, and the three-dimensional accurate osteotomy is finished.
The osteotomy guiding device provided by the embodiment has the advantages that the inner sleeve 200 can rotate along the axis direction, so that the osteotomy direction can be freely adjusted by the first osteotome, the second guiding piece 700 can rotate, the inserting direction of the third kirschner wire 30 can be freely adjusted, after osteotomy, the third kirschner wire 30 and the second kirschner wire 20 are required to be closed, the correction can be completed, and the technical effect of three-dimensional accurate osteotomy is realized.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A position adjustment assembly, comprising: the outer sleeve (100) and the inner sleeve (200) are sleeved in the outer sleeve (100);
the medical osteotome bone cutting device is characterized in that an accommodating cavity for accommodating a medical osteotome is formed in the inner sleeve (200), and the inner sleeve (200) is configured to be capable of rotating along the axis direction of the inner sleeve to drive the medical osteotome to rotate along the circumferential direction of the outer sleeve (100).
2. The position adjustment assembly according to claim 1, characterized in that the inner wall of the outer sleeve (100) is provided with a positioning groove, and the circumferential direction of the inner sleeve (200) is provided with a positioning projection (210), and the positioning projection (210) extends into the positioning groove.
3. The position adjustment assembly of claim 1, further comprising a first guide (300);
the first guide (300) is connected to the outer sleeve (100), the first guide (300) being used for passing a K-wire.
4. An osteotomy guide comprising a fixation body (400), a connecting member (500) and a position adjustment assembly according to any one of claims 1-3;
the connection member (500) is connected with the outer sleeve (100), and a sliding path along which the connection member (500) is movable is provided on the fixing body (400).
5. The osteotomy guide of claim 4, further comprising a fixation member (600);
the fixing member (600) is connected with one end of the connecting member (500) far away from the outer sleeve (100), a through hole for passing a medical osteotome is arranged on the fixing member (600), and the fixing member (600) is configured to limit the movement of the medical osteotome.
6. The osteotomy guide of claim 5, further comprising a second guide (700);
the second guide (700) is connected with the fixing member (600).
7. The osteotomy guide of claim 6, wherein said fixation member (600) is provided with a sliding slot (610);
a sliding protrusion is arranged on the outer surface of the second guide (700), extends into the sliding groove (610), and slides along the sliding groove (610).
8. The osteotomy guide of claim 7, further comprising a positioning member (800);
the positioning member (800) is connected with the second guide (700), and the positioning member (800) is configured to be capable of extending into the sliding groove (610) to be connected with the fixing member (600) so as to limit the movement of the second guide (700).
9. The osteotomy guide of claim 5, wherein said connecting member (500) includes a first connector (510) and a second connector (520);
a first fixing groove (410) is formed in the fixing main body (400), one end of a first connecting piece (510) is connected with the outer sleeve (100), the other end of the first connecting piece (510) extends into the first fixing groove (410), and the first connecting piece (510) can slide along the first fixing groove (410);
the fixing body (400) is provided with a second fixing groove (420), one end of the second connecting piece (520) is connected with the fixing member (600), the other end of the first connecting piece (510) extends into the second fixing groove (420), and the second connecting piece (520) can slide along the second fixing groove (420).
10. The osteotomy guide of claim 8, wherein a telescoping tube (900) is disposed within said fixation body (400);
the extension tube (900) is telescopically mounted in the fixing body (400).
CN202010438806.4A 2020-05-21 2020-05-21 Position adjusting assembly and osteotomy guide device Pending CN111820987A (en)

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CN202010438806.4A CN111820987A (en) 2020-05-21 2020-05-21 Position adjusting assembly and osteotomy guide device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010438806.4A CN111820987A (en) 2020-05-21 2020-05-21 Position adjusting assembly and osteotomy guide device

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CN111820987A true CN111820987A (en) 2020-10-27

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CN202010438806.4A Pending CN111820987A (en) 2020-05-21 2020-05-21 Position adjusting assembly and osteotomy guide device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112932606A (en) * 2021-01-29 2021-06-11 北京市春立正达医疗器械股份有限公司 Adjustable tibia osteotomy guider

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112932606A (en) * 2021-01-29 2021-06-11 北京市春立正达医疗器械股份有限公司 Adjustable tibia osteotomy guider

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