CN210277358U

CN210277358U - Portable three-dimensional positioning guider for orthopedic surgery

Info

Publication number: CN210277358U
Application number: CN201821643936.6U
Authority: CN
Inventors: 李树强; 何文亮; 张文科
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-10-10
Filing date: 2018-10-10
Publication date: 2020-04-10
Anticipated expiration: 2028-10-10

Abstract

The utility model relates to a three-dimensional location director of portable bone surgery, include: the rotary device comprises a support part, a first rotary part and a second rotary part, wherein the first rotary part is rotatably connected to the support part, the second rotary part is pivotally connected to the first rotary part, the rotary axes of the first rotary part and the second rotary part are vertical to each other, and a guide groove is arranged on the second rotary part and is vertical to the rotary axis of the second rotary part; the first rotating part comprises a first section and a second section, the first section is inserted into the groove of the supporting part to form a rotary connection, the second section comprises two installation parts which are arranged at intervals, the second rotating part is pivotally connected between the two installation parts, at least one first fastening bolt used for fastening the first rotating part is arranged on the supporting part, and at least one second fastening bolt used for fastening the second rotating part is arranged on the first rotating part. The utility model discloses a guider sets for after the angle of two directions, can lock in order to keep setting for the angle through fastening bolt for the accuracy of puncture angle can be guaranteed.

Description

Portable three-dimensional positioning guider for orthopedic surgery

Technical Field

The utility model relates to the field of medical equipment, especially, relate to a three-dimensional location director of portable bone surgery.

Background

In the existing bone surgery operation, the puncture technology is widely applied, and particularly, when the transpedicular operation of the spine surgery is performed, the puncture must be performed in the only correct bone channel, so that the position for placing screws or bone cement and the like is accurate, and a clinician is required to accurately position the operation angle.

The use of fastening bolts to secure a rotatable cylinder has found widespread use in various fields. For example, chinese patent (publication No. CN205937353U) discloses a locking lifting rod and a lifting cart having the same, wherein the locking rod includes a first tube, a second tube, a supporting block and a locking bolt, the second tube is slidably sleeved in the first tube along a vertical direction, the supporting block is movably installed between the first tube and the second tube, the locking bolt is connected to a side wall of the first tube, and when the locking bolt is tightened, the locking bolt forces the supporting block to abut against the second tube in the first tube for locking, and the locking device makes the relative locking more firm and reliable.

Chinese patent publication No. CN202515800U discloses a three-dimensional positioning guide for medical bone surgery, and more particularly, a three-dimensional positioning guide device for bone surgery. The horizontal graduated scale and the longitudinal graduated scale of the belt groove are connected and fixed into a whole through a rotating shaft, the horizontal graduated scale and the longitudinal graduated scale of the belt groove are two fan-shaped graduated scales, the horizontal graduated scale and the longitudinal graduated scale of the belt groove are perpendicular to each other, the horizontal graduated scale and the longitudinal graduated scale of the belt groove rotate mutually, scale marks are arranged on the horizontal graduated scale and the longitudinal graduated scale of the belt groove, fan-shaped grooves are formed in the horizontal graduated scale of the belt groove, a kirschner wire or a drill bit is arranged in the groove of the horizontal graduated scale of the belt groove, one end of. The three-dimensional positioning guider has the advantages of simple structure, easy manufacture, low cost, convenient operation, high efficiency, accurate positioning of the patient by the three-dimensional angle, and alleviation of the pain of the patient, and is widely applied to the three-dimensional positioning guider equipment of the patient in the bone surgery. However, the angle of the present invention can be read and set, but it is difficult to maintain the angle, and the angle may be changed during the puncturing process to change the bone tunnel, which may cause the bone tunnel to deviate from the predetermined angular position, thereby affecting the operation effect.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a portable bone surgery three-dimensional positioning director, include: the rotary mechanism comprises a support part, a first rotary part and a second rotary part, wherein the first rotary part is rotatably connected to the support part, the second rotary part is pivotally connected to the first rotary part, the rotary axes of the first rotary part and the second rotary part are perpendicular to each other, and a guide groove is arranged on the second rotary part and is perpendicular to the rotary axis of the second rotary part; the first rotating part comprises a first section and a second section, at least one part of the first section is cylindrical and is inserted into the groove of the supporting part to form rotary connection, the second section comprises two installation parts which are arranged at intervals, the second rotating part is connected between the two installation parts in a pivoting mode, at least one first fastening bolt used for fastening the first rotating part is arranged on the supporting part, and at least one second fastening bolt used for fastening the second rotating part is arranged on the first rotating part.

According to a preferred embodiment, the second section further comprises a connecting portion connected to the first section and two sides of the connecting portion extend out of the first section, one side of the connecting portion is fixedly connected to the two mounting portions, the other side of the connecting portion, opposite to the one side, is fixedly connected to the first section, at least two second fastening bolts are arranged on the second section, the two second fastening bolts are arranged on two sides of the connecting portion respectively and are screwed in from the other side of the connecting portion, the second rotating portion is a cylinder, and when the second rotating portion rotates to a required angle, the two second fastening bolts can be screwed to a state of abutting against the cylindrical surface of the second rotating portion respectively.

According to a preferred embodiment, a rubber anti-slip layer is provided on the cylindrical surface of the second rotating portion, and the two second fastening bolts can be screwed to abut against the rubber anti-slip layer of the second rotating portion, respectively.

According to a preferred embodiment, the two second fastening bolts comprise fastening handles arranged crosswise to the bolt axis, and the pitch of the two second fastening bolts and/or the gap between the second rotary part and the connecting part are arranged in such a way that the fastening handles can be rotated by more than 90 ° about the bolt axis to lock and unlock the second rotary part.

According to a preferred embodiment, the thread directions of the two of the second fastening bolts are opposite to each other.

According to a preferred embodiment, the support portion is provided with a first dial fixedly disposed relative to the support portion, and the first rotating portion is provided with a first pointer rotating synchronously therewith to indicate a first angle of rotation of the first rotating portion on the first dial.

According to a preferred embodiment, at least one end surface of the second rotating portion is provided with a second dial plate which rotates synchronously with the second rotating portion, and the mounting portion is provided with a second pointer which is fixedly arranged relative to the mounting portion so as to indicate a second angle of rotation of the second rotating portion on the second dial plate.

According to a preferred embodiment, the support part is further provided with a threaded interface for fixing the support part.

According to a preferred embodiment, the depth of the first section inserted into the support is at least six centimeters, and at least two first fastening bolts for fastening the first rotating part are arranged in the depth range of the first section inserted into the support.

According to a preferred embodiment, the at least two first fastening bolts are hand bolts, and the screwing directions of the at least two first fastening bolts are arranged opposite to each other.

The utility model provides a pair of portable orthopedic surgery three-dimensional positioning director has following advantage at least:

(1) after the angles in two directions are set by the guider, the guider can be locked by the fastening bolt to keep the set angles, so that the accuracy of the puncture angle can be ensured;

(2) the second rotating part is locked by at least two second fastening bolts, so that the second rotating part is not easy to rotate in the operation process to influence the accuracy of the bony channel;

(3) the second fastening bolt is provided with a fastening handle, so that the locking and the loosening are facilitated, and the locking effect is better;

(4) the thread directions of the two second fastening bolts are opposite, so that the medical staff can rotate towards the mutually opposite rotation angles by using both hands to realize locking and loosening, and the operation is easier.

Drawings

FIG. 1 is a simplified block diagram of a preferred embodiment of the present invention;

fig. 2 is a simplified isometric illustration of a preferred embodiment of the present invention; and

fig. 3 is a partially enlarged view of a preferred embodiment of the present invention.

List of reference numerals

100: the support portion 110: groove 200: first rotating part

210: first section 220: second section 221: mounting part

222: connecting part 300: second rotating portion 310: guide groove

320: cylindrical surface 330: rubber anti-slip layer 410: first fastening bolt

420: second fastening bolt 421: fastening the handle 510: first dial

520: the second dial 610: first pointer 620: second finger

700: screw joint

Detailed Description

This is described in detail below with reference to figures 1, 2 and 3.

In the description of the present invention, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. are used in the orientation or positional relationship indicated on the basis of the drawings, it is only for convenience of description and simplification of the description, but it is not intended to 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 construed as limiting the present invention.

In the description of the present invention, it is also to be understood that the terms "first", "second", and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, the terms "plurality" or "a plurality", if any, mean two or more unless specifically limited otherwise.

In the description of the present invention, it should be understood that the terms "mounting," "connecting," "fixing," and the like are used in a broad sense, and may be fixed, detachable, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To one of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood as a matter of context, unless otherwise explicitly stated and/or defined.

In the description of the present invention, it should also be understood that unless otherwise explicitly specified or limited, "over" or "under" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

According to a preferred embodiment, a portable orthopedic three-dimensional positioning guide may include: a support portion 100, a first rotation portion 200, and a second rotation portion 300. The first rotating part 200 may be rotatably coupled to the supporting part 100. The second rotary part 300 may be pivotally connected to the first rotary part 200 with their rotation axes perpendicular to each other. The second rotating part 300 may be provided with a guide groove 310 and the guide groove 310 may be perpendicular to the rotation axis of the second rotating part 300. The first rotating part 200 may include a first section 210 and a second section 220. At least a portion of the first segment 210 may be cylindrical and inserted into the groove 110 of the support portion 100 to form a first rotation portion rotatably connected to the support portion 100. The second section 220 may include two mounting portions 221 disposed spaced apart from each other. The second rotating part 300 may be pivotally connected between the two mounting parts 221. The support portion 100 may be provided with at least one first fastening bolt 410 for fastening the first rotating portion 200. The first rotating part 200 may be provided with at least one second fastening bolt 420 for fastening the second rotating part 300. Preferably, the guide groove 310 may be directly used to guide the k-wire or the drill bit. Alternatively, the guide groove 310 may be configured as a stepped groove, a stepped sleeve is placed in the stepped groove, and a through hole in the stepped sleeve is used to guide the kirschner wire or the drill. And the guiding requirements of the Kirschner wires or the drill bits with different specifications and sizes can be met by arranging the stepped sleeves with different through hole sizes. Moreover, the stepped sleeve is more convenient to replace after being damaged, and the replacement cost is lower.

According to a preferred embodiment, the second section 220 may include a connection portion 222 connected to the first section 210 and extending outside the first section 210 on both sides. One surface of the connection portion 222 may be fixed to the two mounting portions 221. The fixing can be integrally formed, and can also be welded, bonded or screwed. The other surface of the connecting portion 222 opposite to the one surface may be fixedly connected to the first section 210, where the fixedly connection may be an integral molding, or may be a welding, an adhesion, or a threaded connection. The second section 220 may be provided with at least two second fastening bolts 420. Two of the second fastening bolts 420 may be respectively disposed at both sides of the connecting portion 222 and screwed from the other surface of the connecting portion 222. The second rotating part 300 may have a cylindrical shape. When the second rotary part 300 rotates to a desired angle, the two second fastening bolts 420 may be rotated to abut against the cylindrical surface 320 of the second rotary part 300.

According to a preferred embodiment, the cylindrical surface 320 of the second rotating part 300 may be provided with a rubber anti-slip layer 330. Two of the second fastening bolts 420 may be respectively screwed to be abutted against the rubber anti-slip layer 330 of the second rotating part 300. This makes the second rotating portion less likely to loosen.

According to a preferred embodiment, wherein the two second fastening bolts 420 comprise fastening handles 421 arranged crosswise to the bolt axis, wherein the pitch of the two second fastening bolts 420 and/or the clearance between the second rotary part 300 and the connection part 222 are arranged in such a way that the fastening handles 421 can be turned more than 90 ° around the bolt axis to enable locking and unlocking of the second rotary part 300.

According to a preferred embodiment, the thread directions of the two second fastening bolts 420 may be opposite to each other. The locking and unlocking can be realized by simultaneously rotating the two hands in opposite directions, and the operation is easier.

According to a preferred embodiment, the support portion 100 is provided with a first dial 510 fixedly disposed with respect to the support portion 100, and the first rotary portion 200 is provided with a first pointer 610 rotating in synchronization therewith to indicate a first angle of rotation of the first rotary portion 200 on the first dial 510. Preferably, the first dial 510 may carry graduation marks and angle marks. For simplicity, the angle markings are not shown in the figure.

According to a preferred embodiment, at least one end surface of the second rotary part 300 is provided with a second dial 520 rotating in synchronization therewith, and the mounting part 221 is provided with a second pointer 620 fixedly provided with respect to the mounting part 221 so as to indicate a second angle at which the second rotary part 300 rotates on the second dial 520. Preferably, the second dial 520 may carry graduation marks and angle marks. For simplicity, the angle markings are not shown in the figure.

According to a preferred embodiment, the support is further provided with a screw interface 700 for fixing the support.

According to a preferred embodiment, the depth of the first section 210 inserted into the support 100 is at least six centimeters, and at least two first fastening bolts 410 for fastening the first rotation part 200 are provided within the depth of the first section 210 inserted into the support 100. Preferably, the thread directions of the two first fastening bolts 410 are opposite to each other.

According to a preferred embodiment, the at least two first fastening bolts 410 are hand bolts, and the screwing directions of the at least two first fastening bolts 410 are disposed opposite to each other. Preferably, the at least two first fastening bolts 410 may also be arranged at different insertion depths.

It should be noted that the above-mentioned embodiments are exemplary, and those skilled in the art can devise various solutions in light of the present disclosure, which are also within the scope of the present disclosure and fall within the scope of the present disclosure. It should be understood by those skilled in the art that the present specification and drawings are illustrative only and are not limiting upon the claims. The scope of the invention is defined by the claims and their equivalents.

Claims

1. A portable orthopedic three-dimensional positioning guide, comprising:

the rotating device comprises a supporting part (100), a first rotating part (200) and a second rotating part (300), wherein the first rotating part (200) is rotatably connected to the supporting part (100), the second rotating part (300) is pivotally connected to the first rotating part (200) and the rotation axes of the first rotating part and the second rotating part are perpendicular to each other, a guide groove (310) is arranged on the second rotating part (300), and the guide groove (310) is perpendicular to the rotation axis of the second rotating part (300);

the guide groove (310) can be directly used for guiding the kirschner wire or the drill bit;

the first rotating part (200) comprises a first section (210) and a second section (220), at least one part of the first section (210) is cylindrical and is inserted into the groove (110) of the supporting part (100) to form a rotary connection, the second section (220) comprises two mounting parts (221) which are arranged at intervals, the second rotating part (300) is pivotally connected between the two mounting parts (221), at least one first fastening bolt (410) for fastening the first rotating part (200) is arranged on the supporting part (100), and at least one second fastening bolt (420) for fastening the second rotating part (300) is arranged on the first rotating part (200);

the second section (220) further comprises a connecting portion (222) connected to the first section (210) and extending from two sides of the first section (210), one surface of the connecting portion (222) is fixedly connected to the two mounting portions (221), the other surface, opposite to the one surface, of the connecting portion (222) is fixedly connected to the first section (210), at least two second fastening bolts (420) are arranged on the second section (220), the two second fastening bolts (420) are respectively arranged on two sides of the connecting portion (222) and screwed in from the other surface of the connecting portion (222), the second rotating portion (300) is a cylinder, and after the second rotating portion (300) rotates to a required angle, the two second fastening bolts (420) can respectively rotate to a state of abutting against the cylindrical surface (320) of the second rotating portion (300).

2. The portable orthopedic three-dimensional positioning guide according to claim 1, wherein the cylindrical surface (320) of the second rotating portion (300) is provided with a rubber anti-slip layer (330), and the two second fastening bolts (420) can be respectively screwed to abut against the rubber anti-slip layer (330) of the second rotating portion (300).

3. The portable orthopedic surgical three-dimensional positioning guide according to claim 2, wherein the two second fastening bolts (420) comprise fastening handles (421) disposed intersecting the bolt axis, and wherein the thread pitch of the two second fastening bolts (420) and/or the gap between the second rotary part (300) and the connecting part (222) are disposed in such a manner that the fastening handles (421) can be rotated by 90 ° about the bolt axis to lock and release the second rotary part (300).

4. The portable orthopedic surgical three-dimensional positioning guide according to claim 2, characterized in that the two second fastening bolts (420) have opposite thread directions.

5. A portable orthopedic surgical three-dimensional positioning guide according to claim 1, characterized in that a first dial (510) is provided on the support portion (100) and fixedly arranged with respect to the support portion (100), and a first pointer (610) is provided on the first rotary portion (200) for synchronously rotating therewith to indicate on the first dial (510) a first angle of rotation of the first rotary portion (200).

6. A portable orthopedic surgical three-dimensional positioning guide according to claim 1, characterized in that at least one end face of the second rotating portion (300) is provided with a second dial (520) for synchronous rotation therewith, and the mounting portion (221) is provided with a second pointer (620) fixedly disposed relative to the mounting portion (221) for indicating a second angle of rotation of the second rotating portion (300) on the second dial (520).

7. The portable orthopedic three-dimensional positioning guide of claim 1, wherein the support is further provided with a threaded interface (700) for fixing the support.

8. The portable orthopedic surgical three-dimensional positioning guide according to claim 1, characterized in that the depth of insertion of the first section (210) into the support (100) is at least six centimeters, and at least two first fastening bolts (410) for fastening the first rotating part (200) are provided within the depth of insertion of the first section (210) into the support (100).

9. The portable orthopedic surgical three-dimensional positioning guide according to claim 1, characterized in that the at least two first fastening bolts (410) are hand bolts and the screwing directions of the at least two first fastening bolts (410) are disposed opposite to each other.