阅读说明：本技术 一种骨科用复位固定架 (Reduction fixing frame for orthopedics department ) 是由 朱惜惜 于 2020-06-29 设计创作，主要内容包括：本发明公开了一种骨科用复位固定架,涉及医疗器械技术领域。本发明包括结构相同,并且同轴设置的第一环形架与第二环形架；第一环形架与第二环形架近端通过内螺纹套筒连接；内螺纹套筒内壁两端对称开设旋向相反的第一螺纹,第一环形架包括外环圈、内环圈；外环圈与内环圈同轴设置且相对表面间通过环形均布排列的四个固定圆杆连接；外环圈相对内环圈的侧面且位于相邻两个固定圆杆的中部均固定有一用于肢体连接调整的压板调整组件；内环圈周侧面开设与第一螺纹配合的第二螺纹。本发明通过第一环形架、第二环形架、内螺纹套筒、压板调整组件和导向杆组件的组合使用,能够对连接处的肢体进行全向的角度调整。(The invention discloses a reduction fixing frame for orthopedics department, and relates to the technical field of medical instruments. The invention comprises a first annular frame and a second annular frame which have the same structure and are coaxially arranged; the proximal ends of the first annular frame and the second annular frame are connected through an internal thread sleeve; the two ends of the inner wall of the internal thread sleeve are symmetrically provided with first threads with opposite rotation directions, and the first annular frame comprises an outer annular ring and an inner annular ring; the outer ring and the inner ring are coaxially arranged, and the opposite surfaces are connected through four fixed round rods which are annularly and uniformly distributed; the outer ring is opposite to the inner ring, and a pressing plate adjusting component for limb connection adjustment is fixed in the middle of two adjacent fixed round rods; and a second thread matched with the first thread is arranged on the peripheral side surface of the inner ring. The invention can carry out omnidirectional angle adjustment on limbs at the joint by the combined use of the first annular frame, the second annular frame, the internal thread sleeve, the pressing plate adjusting component and the guide rod component.)

1. The utility model provides an orthopedics is with reduction mount which characterized in that:

comprises a first annular frame (1) and a second annular frame (2) which have the same structure and are coaxially arranged; the near ends of the first annular frame (1) and the second annular frame (2) are connected through an internal thread sleeve (3); first threads with opposite rotation directions are symmetrically arranged at two ends of the inner wall of the internal thread sleeve (3),

the first annular frame (1) comprises an outer ring (4) and an inner ring (5); the outer ring (4) and the inner ring (5) are coaxially arranged, and the opposite surfaces are connected through four fixed round rods (6) which are annularly and uniformly distributed; the outer ring (4) is opposite to the side surface of the inner ring (5) and is positioned in the middle of two adjacent fixed round rods (6) and is fixed with a pressing plate adjusting component (7) for limb connection adjustment;

the peripheral side surface of the inner ring (5) is provided with a second thread matched with the first thread;

and the outer ring (4) at the far end opposite to the first annular frame (1) and the second annular frame (2) is provided with a guide rod assembly (8).

2. The reduction fixing frame for orthopedics department according to claim 1, characterized in that the peripheral side surface of the internal thread sleeve (3) is provided with rectangular grooves (301) which are annularly and uniformly distributed and used for grabbing and rotating.

3. The reduction fixing frame for orthopedics department according to claim 1, characterized in that the pressing plate adjusting component (7) comprises two rectangular plates (9) which are arranged in parallel and fixed on the outer ring (4), an arc-shaped pressing plate (10) which is contacted with limbs, and two adjusting pressing rod groups (11) which are adjusted through screw threads;

the adjusting pressure rod group (11) comprises a spherical hinge (111) and a threaded column (112) connected with the spherical hinge (111); a handle (113) is fixed at the end part of the threaded column (112);

one end of the rectangular plate (9) far away from the outer ring (4) is provided with a round hole (901); a round hole (901) at the front end of the rectangular plate (9) is rotatably connected with a first internal thread cylinder (12) through a fixed short shaft; a second internal thread cylinder (13) is fixed on the inner wall of one end of each rectangular plate (9) close to the outer ring (4); the first internal thread cylinder (12) and the second internal thread cylinder (13) have the same structural characteristics; the threaded column (112) is in threaded connection with the first internal threaded barrel (12);

two external thread cylindrical seats (14) provided with spherical groove surfaces are fixed in the middle of the upper end of the outer arc surface of the arc-shaped pressing plate (10); the spherical hinge (111) is arranged on the external thread cylindrical seat (14) through a pressing cap (15).

4. An orthopaedic reduction fixation frame according to claim 1 or 3, wherein the external ring (4) has the same internal diameter as the internal ring (5).

5. The reduction fixture according to claim 1, wherein the guide rod assembly (8) comprises two first Z-shaped rectangular rods (16), rectangular sleeves (17) for sleeving opposite ends of the two first rectangular rods (16), and two fastening heads (18) for clamping with the outer ring (4);

the buckle head (18) comprises a rectangular short pipe (181) which is sleeved and matched with the other end of the first rectangular rod (16) in a sliding way; the side surface of the rectangular short pipe (181) is in threaded connection with a bolt pin;

a first arc surface (182) matched with the outer arc surface of the outer ring (4) is arranged on one side surface of the rectangular short pipe (181); a rectangular extension plate (183) is fixed on the first arc surface (182) at the end part of the rectangular short pipe (181);

and an arc plate (184) matched with the inner arc surface of the outer ring (4) is fixed at the end part of the rectangular extension plate (183).

6. The reduction fixture for orthopedics department according to claim 1, characterized in that the cambered surface of the arc-shaped pressing plate (10) is fixed with a foam board layer.

7. An orthopaedic reduction fixator according to claim 1, characterized in that both ends of said rectangular sleeve (17) are screwed with a locking screw for positioning the first rectangular rod (16).

Technical Field

The invention belongs to the technical field of medical instruments, and particularly relates to a reduction fixing frame for orthopedics.

Background

In the orthopedic treatment, bone fragments and the like are centered or re-centered and re-positioned by a reduction fixing frame sometimes to restore the continuity of bones and the functions of backbones, and fractured or fractured bones are healed at malposition, so that the bone connection is not normal, and the bone is malposed to cause acquired deformity.

The invention with the application number of 201710560557.4 discloses a reset fixing frame for orthopedics department, which is provided with two fixing chassis and a root supporting rod with the effective length adjustable, wherein the two ends of the root supporting rod are respectively hinged on the two fixing chassis, each supporting rod and the two fixing chassis form a certain angle, each supporting rod comprises a connecting rod, the two ends of each connecting rod are respectively provided with an external thread, the left end of each connecting rod is matched with a press cap with an internal thread to install a spherical hinge on the left end of each connecting rod, the right end of each connecting rod is provided with a floating device, the right end of each connecting rod is matched with a locking cap with an internal thread to install another spherical hinge on a floating sleeve of the floating device, and each locking cap is provided with a locking screw which can be blocked on the floating sleeve. The whole device is provided with two fixed chassis and ground supporting rods with the effective lengths adjustable, wherein the two ends of the ground supporting rods are respectively hinged on the two fixed chassis, each supporting rod and the two fixed chassis form a certain angle, and a plurality of mounting holes are formed in the fixed chassis. The whole adjusting device is not enough in positioning stability, only can be operated by six actions of contraction and extension, left-right angulation, front-back angulation, left-right translation, front-back translation, rotation and the like, and has defects in single-end omnidirectional angle adjustment and stable contraction of the joint spacing of the limbs.

Disclosure of Invention

The invention aims to provide a reduction fixing frame for orthopedics department, which can carry out omnidirectional angle adjustment on limbs at the joint part by the combined use of a first annular frame, a second annular frame, an internal thread sleeve, a pressing plate adjusting component and a guide rod component, and solves the problems in the background technology.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a reduction fixing frame for orthopedics department, which comprises a first annular frame and a second annular frame which have the same structure and are coaxially arranged; the near ends of the first annular frame and the second annular frame are connected through an internal thread sleeve; first threads with opposite rotation directions are symmetrically formed in two ends of the inner wall of the internal thread sleeve, and the first annular frame comprises an outer annular ring and an inner annular ring; the outer ring and the inner ring are coaxially arranged, and the opposite surfaces of the outer ring and the inner ring are connected through four fixed round rods which are annularly and uniformly distributed; the outer ring is opposite to the side surface of the inner ring, and a pressing plate adjusting component for limb connection adjustment is fixed in the middle of each two adjacent fixed round rods; a second thread matched with the first thread is arranged on the peripheral side surface of the inner ring; and the outer rings at the far ends of the first annular frame and the second annular frame are provided with guide rod assemblies.

Furthermore, the circumferential side surface of the internal thread sleeve is provided with rectangular grooves which are uniformly distributed in an annular shape and used for grabbing and rotating.

Furthermore, the pressing plate adjusting component comprises two rectangular plates which are arranged in parallel and fixed on the outer ring, an arc-shaped pressing plate which is contacted with the limb, and two adjusting pressing rod groups which are adjusted through threads; the adjusting pressure rod group comprises a spherical hinge and a threaded column connected with the spherical hinge; a handle is fixed at the end part of the threaded column; one end of the rectangular plate, which is far away from the outer ring, is provided with a round hole; the circular hole at the front end of the rectangular plate is rotatably connected with a first internal thread cylinder through a fixed short shaft; a second internal thread cylinder is fixed on the inner wall of one end of each rectangular plate, which is close to the outer ring; the first internal thread cylinder and the second internal thread cylinder have the same structural characteristics; the threaded column is in threaded connection with the first internal threaded cylinder; the middle part of the upper end of the outer arc surface of the arc-shaped pressing plate is fixedly provided with two external thread cylindrical seats provided with spherical groove surfaces; the spherical hinge is arranged on the external thread cylindrical seat through the pressing cap.

Further, the inner diameter of the outer ring is the same as the inner diameter of the inner ring.

Furthermore, the guide rod assembly comprises two Z-shaped first rectangular rods, rectangular sleeves for sleeving opposite ends of the two first rectangular rods, and two buckling heads clamped with the outer ring; the buckle head comprises a rectangular short pipe which is in sleeve joint and sliding fit with the other end of the first rectangular rod; the side face of the rectangular short pipe is in threaded connection with a bolt pin; a first arc surface matched with the outer arc surface of the outer ring is formed on one side surface of the rectangular short pipe; a rectangular extension plate is fixed on the first arc surface at the end part of the rectangular short pipe; and an arc plate matched with the inner arc surface of the outer ring is fixed at the end part of the rectangular extension plate.

Further, a foam board layer is fixed on the inner arc surface of the arc-shaped pressing plate.

Furthermore, both ends of the rectangular sleeve are in threaded connection with a locking screw for positioning the first rectangular rod.

The invention has the following beneficial effects:

the invention can carry out omnidirectional angle adjustment on the limbs at the joint by combining the first annular frame, the second annular frame, the internal thread sleeve, the pressing plate adjusting assembly and the guide rod assembly, has stable and reliable adjusting process and convenient operation, is suitable for being used in the operation and has high safety.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of a reduction fixation frame for orthopedics according to the present invention;

FIG. 2 is a schematic view of the present invention with the guide bar assembly removed;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a schematic view of a first annular frame;

FIG. 5 is a schematic view of the construction of an internally threaded sleeve;

FIG. 6 is a schematic structural view of the guide bar assembly;

FIG. 7 is a schematic structural view of an arc-shaped platen;

FIG. 8 is a schematic view of the structure of the adjusting press rod set;

in the drawings, the components represented by the respective reference numerals are listed below:

1-a first annular frame, 2-a second annular frame, 3-an internal thread sleeve, 4-an external ring, 5-an internal ring, 6-a fixed round rod, 7-a pressure plate adjusting component, 8-a guide rod component, 9-a rectangular plate, 10-an arc pressure plate, 11-an adjusting pressure rod group, 12-a first internal thread cylinder, 13-a second internal thread cylinder, 14-an external thread cylindrical seat, 15-a pressure cap, 16-a first rectangular rod, 17-a rectangular sleeve, 18-a button head, 301-a rectangular groove, 901-a round hole, 111-a spherical hinge, 112-a thread column, 113-a handle, 181-a rectangular short tube, 182-a first arc surface, 183-a rectangular extension plate and 184-an arc plate.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Referring to fig. 1-8, the present invention is a reduction fixing frame for orthopedics, which comprises a first annular frame 1 and a second annular frame 2, which have the same structure and are coaxially arranged; the proximal ends of the first annular frame 1 and the second annular frame 2 are connected through an internally threaded sleeve 3; the two ends of the inner wall of the internal thread sleeve 3 are symmetrically provided with first threads with opposite rotation directions,

the first annular frame 1 comprises an outer annular ring 4 and an inner annular ring 5; the outer ring 4 and the inner ring 5 are coaxially arranged, and the opposite surfaces are connected by four fixed round rods 6 which are annularly and uniformly distributed; the outer ring 4 is opposite to the side surface of the inner ring 5, and a pressing plate adjusting component 7 for limb connection adjustment is fixed in the middle of each two adjacent fixed round rods 6; the peripheral side surface of the inner ring 5 is provided with a second thread matched with the first thread; the outer ring 4 at the opposite far ends of the first annular frame 1 and the second annular frame 2 is provided with a guide rod assembly 8.

Wherein, the circumferential side of the internal thread sleeve 3 is provided with rectangular grooves 301 which are arranged in an annular and uniform manner and used for grabbing rotation.

The pressure plate adjusting component 7 comprises two rectangular plates 9 which are arranged in parallel and fixed on the outer ring 4, an arc-shaped pressure plate 10 which is contacted with limbs, and two adjusting pressure rod groups 11 which are adjusted through threads; the adjusting pressure bar group 11 comprises a spherical hinge 111 and a threaded column 112 connected with the spherical hinge 111; a handle 113 is fixed at the end part of the threaded column 112; a round hole 901 is formed in one end, far away from the outer ring 4, of the rectangular plate 9; a first internal thread cylinder 12 is rotatably connected with a circular hole 901 at the front end of the rectangular plate 9 through a fixed short shaft; a second internal thread cylinder 13 is fixed on the inner wall of one end of each rectangular plate 9, which is close to the outer ring 4; the first internal thread cylinder 12 has the same structural characteristics as the second internal thread cylinder 13; the threaded post 112 is in threaded connection with the first internally threaded barrel 12; two external thread cylindrical seats 14 provided with spherical groove surfaces are fixed in the middle of the upper end of the outer arc surface of the arc-shaped pressing plate 10; the ball hinge 111 is mounted on the externally threaded cylindrical seat 14 by means of a press cap 15.

Wherein the inner diameter of the outer ring 4 is the same as the inner diameter of the inner ring 5.

The guide rod assembly 8 comprises two Z-shaped first rectangular rods 16, rectangular sleeves 17 for sleeving opposite ends of the two first rectangular rods 16, and two fastening heads 18 for being clamped with the outer ring 4; the buckle head 18 comprises a rectangular short pipe 181 which is sleeved and matched with the other end of the first rectangular rod 16 in a sliding way; the side surface of the rectangular short pipe 181 is in threaded connection with a bolt pin; a first arc surface 182 matched with the outer arc surface of the outer ring 4 is arranged on one side surface of the rectangular short pipe 181; a rectangular extension plate 183 is fixed on the first arc surface 182 at the end part of the rectangular short pipe 181; an arc plate 184 matched with the inner arc surface of the outer ring 4 is fixed at the end part of the rectangular extension plate 183.

Wherein, the intrados of the arc-shaped pressing plate 10 is fixed with a foam plate layer.

Wherein, both ends of the rectangular sleeve 17 are threadedly connected with a locking screw for positioning the first rectangular rod 16.

When using, the limbs of butt joint are treated respectively to four clamp plate adjustment assembly 7 in first annular frame 1 and the second annular frame 2 at both ends and carry out the centre gripping, the angle of adjustment limbs about four clamp plate adjustment assembly 7 can be about from top to bottom, including threaded sleeve 3 is fixed, the axial that can realize the limbs in the rotatory in-process of first annular frame 1 or second annular frame 2 is rotated and is adjusted, do not rotate at first annular frame 1 and second annular frame 2, the in-process of rotating internal thread sleeve 3 can realize being close to or keeping away from of limb link, cooperation guide bar subassembly 8 can ensure stable butt joint simultaneously. The whole process is stable and reliable in limb adjustment and convenient to use.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.