CN213217536U - Adjustable rod connector - Google Patents
Adjustable rod connector Download PDFInfo
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- CN213217536U CN213217536U CN202021366354.5U CN202021366354U CN213217536U CN 213217536 U CN213217536 U CN 213217536U CN 202021366354 U CN202021366354 U CN 202021366354U CN 213217536 U CN213217536 U CN 213217536U
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- ball head
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- shaped rod
- connecting seat
- rod
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Abstract
The utility model belongs to the technical field of medical instrument, concretely relates to adjustable excellent connector. This excellent connector of adjustable includes: the device comprises two U-shaped rod connecting seats suitable for bearing spinal connecting rods, a connecting rod and a limiting mechanism; the side wall of the U-shaped rod connecting seat is provided with an assembling hole; the two ends of the connecting rod are respectively provided with a ball head part, and each ball head part penetrates through the corresponding assembling hole and then is clamped into the bottom of the corresponding U-shaped rod connecting seat; and the limiting mechanism is suitable for limiting the ball head part in the bottom of the corresponding U-shaped rod connecting seat from the U-shaped opening of the U-shaped rod connecting seat. The utility model discloses an adjustable excellent connector couples together two excellent connecting seats through the connecting rod that has bulb portion, because bulb portion can rotate to can carry out the angle modulation or the altitude mixture control of sagittal plane and coronal plane between two excellent connecting seats in the certain limit, help going on smoothly of operation.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, concretely relates to adjustable excellent connector.
Background
The spinal connective bar is mainly used for internal fixation such as spinal slippage, spinal degenerative change, spinal deformity are corrected and are used when bone surgery, two sections of spinal connective bars are respectively put into to the both sides of spinal when the operation, and the one end and the nail/hook of two sections of spinal connective bars are connected and are locked, and a connector is put into to intermediate junction department, and two sections of spinal connective bars insert wherein to realize the correction of spinal.
The existing connector can only be adjusted in a single sagittal plane and a coronal plane but cannot be adjusted simultaneously, so that the use position of the spinal connecting rod is limited, and the selection surface has great limitation in the operation process of a doctor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an adjustable excellent connector is convenient for carry out the angle modulation or the altitude mixture control of sagittal plane and coronal plane to between two excellent connecting seats when the operation.
In order to solve the technical problem, the utility model provides an adjustable excellent connector, include:
the device comprises two U-shaped rod connecting seats suitable for bearing spinal connecting rods, a connecting rod and a limiting mechanism; the side wall of the U-shaped rod connecting seat is provided with an assembling hole; the two ends of the connecting rod are respectively provided with a ball head part, and each ball head part penetrates through the corresponding assembling hole and then is clamped into the bottom of the corresponding U-shaped rod connecting seat; and the limiting mechanism is suitable for limiting the ball head part in the bottom of the corresponding U-shaped rod connecting seat from the U-shaped opening of the U-shaped rod connecting seat.
Further, the shape of the assembly hole is matched with that of the ball head.
Further, stop gear includes: two limit parts respectively corresponding to the U-shaped rod connecting seats; the limiting piece is a pressing ring; the bottom of the compression ring is provided with an inner concave part matched with the ball head part; after the two ball head parts are correspondingly clamped into the bottoms of the U-shaped rod connecting seats respectively, the corresponding ball head parts are clamped by the concave parts so as to limit the ball head parts in the bottoms of the corresponding U-shaped rod connecting seats.
Furthermore, limiting bulges are arranged on the inner walls of the two sides of each U-shaped rod connecting seat to prevent the pressing ring from being separated from the U-shaped opening.
Further, an arc-shaped notch is formed in one side of the compression ring; when each concave part is tightly clamped with the corresponding ball head part, the arc-shaped notch is suitable for tightly clamping the rod part of the corresponding connecting rod.
Furthermore, each U-shaped rod connecting seat is provided with a blind hole which is suitable for being matched with a clamping instrument and is symmetrically arranged; the blind holes are formed in two sides perpendicular to the direction of the U-shaped opening.
Furthermore, the inner walls of the two sides of each U-shaped rod connecting seat are provided with inner threads matched with the fixing screws.
The beneficial effects of the utility model are that, the utility model discloses an adjustable excellent connector couples together two excellent connecting seats through the connecting rod that has the bulb portion, because the bulb portion can rotate to can carry out the angle modulation or the altitude mixture control of sagittal plane and coronal plane between two excellent connecting seats in the certain limit, help going on smoothly of operation.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
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 embodiments or the technical solutions in 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of an adjustable rod connector of the present invention;
FIG. 2 is a side view of the U-shaped rod connecting seat of the adjustable rod connecting head of the present invention;
FIG. 3 is a schematic view of a connecting rod of the adjustable rod connector of the present invention;
figure 4 is a schematic view of the clamping ring of the adjustable rod connector of the present invention.
In the figure:
u type stick connecting seat 1, pilot hole 11, U type opening 12, spacing arch 13, blind hole 14, internal thread 15, connecting rod 2, bulb portion 21, pole portion 22, stop gear 3, clamping ring 31, interior concave part 311, arc breach 312.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
FIG. 1 is a schematic view of an adjustable rod connector of the present invention;
as shown in fig. 1, the present embodiment provides an adjustable rod connector, including: the device comprises two U-shaped rod connecting seats 1 suitable for bearing spinal connecting rods, a connecting rod 2 and a limiting mechanism 3; the side wall of the U-shaped rod connecting seat 1 is provided with an assembling hole 11; the two ends of the connecting rod 2 are respectively provided with a ball head part 21, and each ball head part 21 is clamped into the bottom of the corresponding U-shaped rod connecting seat 1 after passing through the corresponding assembling hole 11; and the limiting mechanism 3 is suitable for limiting the ball head part 1 in the bottom of the corresponding U-shaped rod connecting seat 1 from the U-shaped opening 12 of the U-shaped rod connecting seat 1.
Concretely, two bulb portions 21 of connecting rod 2 correspond respectively and go into back in U type stick connecting seat 1's pilot hole 11, stop gear 3 is from U type opening 12 of U type stick connecting seat 1 in with bulb portion 1 restriction in the bottom that corresponds U type stick connecting seat 1, then pass through set screw with the one end of backbone connecting rod and fix on human centrum, because bulb portion 21 can rotate, thereby can carry out sagittal plane and coronal plane's angle modulation or altitude mixture control between two U type stick connecting seats 1 in the certain limit, adjust the U type opening 12 department of inserting U type stick connecting seat 1 with the other end of backbone connecting rod after accomplishing, rethread set screw compresses tightly the backbone connecting rod along U type opening 12, fix set screw on human centrum afterwards, accomplish the internal fixation to the backbone promptly.
Wherein, the inner walls of the two sides of each rod connecting seat 1 are provided with inner threads 15 matched with the fixing screws. The spinal connecting rod is locked in the U-shaped opening 12 of the rod connecting seat 1 through the threaded connection of the internal thread 15 and the fixing screw.
FIG. 2 is a side view of the U-shaped rod connecting seat of the adjustable rod connecting head of the present invention;
as shown in FIG. 2, the shape of the fitting hole 11 is adapted to the shape of the ball head portion 21 to ensure that the ball head portion 21 is smoothly inserted into the U-shaped bar connecting seat 1.
Optionally, the limiting mechanism 3 includes: two limiting parts respectively corresponding to the U-shaped rod connecting seats 1; the limiting piece is a pressing ring 31; the bottom of the press ring 31 is provided with an inner concave part 311 matched with the ball head part 21; after the two ball head portions 21 are respectively and correspondingly clamped into the bottom of the U-shaped stick connecting seat 1, each concave portion 311 clamps the corresponding ball head portion 21 so as to limit the ball head portion 21 in the bottom of the corresponding U-shaped stick connecting seat 1. Two bulb portions 21 correspond respectively and go into in the pilot hole 11 of U type stick connecting seat 1, and each corresponding bulb portion 21 of inside concave part 311 chucking afterwards restricts bulb portion 21 in the bottom that corresponds U type stick connecting seat 1 to make connecting rod 2 deviate from in the pilot hole 11 of spacing unable follow U type stick connecting seat 1.
In this embodiment, the inner walls of the two sides of each U-shaped rod connecting seat 1 are provided with a limiting protrusion 13 to prevent the pressing ring 31 from coming off from the U-shaped opening 12. In the practical use process, the U-shaped rod connecting seat 1 is installed in an inverted buckling mode, and the pressing ring 31 can be effectively prevented from being separated from the U-shaped opening 12 by arranging the limiting protrusion 13; a movement gap is reserved between the position of the limiting protrusion 13 and the pressing ring 31, so that the height between the two U-shaped rod connecting seats 1 can be conveniently adjusted.
FIG. 3 is a schematic view of a connecting rod of the adjustable rod connector of the present invention;
figure 4 is a schematic view of the clamping ring of the adjustable rod connector of the present invention.
As shown in fig. 3 and 4, an arc notch 312 is formed on one side of the press ring 31; the arcuate notches 312 are adapted to grip the shank 22 of the respective connector rod 2 when each female recess 311 grips the respective ball portion 21. Through setting up the arc breach 312 with pole portion 22 looks adaptation of connecting rod 2 to guarantee laminating more closely between clamping ring 31 and the connecting rod 2.
In this embodiment, each of the U-shaped rod connecting seats 1 is provided with symmetrically arranged blind holes 14 adapted to cooperate with a clamping apparatus; the blind holes 14 are formed on two sides perpendicular to the direction of the U-shaped opening 12. Through setting up blind hole 14 and the cooperation of centre gripping apparatus, be convenient for centre gripping U type stick connecting seat 1 puts into the operation position when the operation.
In the embodiment, the connecting rod 2 and the U-shaped rod connecting seat 1 can be processed and formed by using rods, so that the cost is reduced, and the processing difficulty is reduced; connecting rod 2 has different length specifications, when the stick connector of different distances of needs, only need change the selection different connecting rod 2 length can.
To sum up, the adjustable rod connector of the utility model connects the two U-shaped rod connecting seats 1 through the connecting rod 2 with the ball head part 21, and the ball head part 21 can rotate, so that the angle adjustment or the height adjustment of the sagittal plane and the coronal plane can be carried out between the two U-shaped rod connecting seats 1 in a certain range, which is beneficial to the smooth operation; the two ball head parts 21 are correspondingly clamped into the assembly holes 11 of the U-shaped rod connecting seat 1 respectively, and then the corresponding ball head parts 21 are clamped by the concave parts 311, so that the ball head parts 21 are limited in the bottom of the corresponding U-shaped rod connecting seat 1, and the connecting rod 2 is limited and cannot be separated from the assembly holes 11 of the U-shaped rod connecting seat 1; because in the in-service use process, U type stick connecting seat 1 is the back-off installation, can effectively prevent to deviate from in clamping ring 31 follow U type opening 12 through setting up spacing arch 13.
The components selected for use in the present application (components not illustrated for specific structures) are all common standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experimentation.
In the description of the embodiments of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. An adjustable wand connector, comprising:
the device comprises two U-shaped rod connecting seats suitable for bearing spinal connecting rods, a connecting rod and a limiting mechanism;
the side wall of the U-shaped rod connecting seat is provided with an assembling hole;
the two ends of the connecting rod are respectively provided with a ball head part, and each ball head part penetrates through the corresponding assembling hole and then is clamped into the bottom of the corresponding U-shaped rod connecting seat; and
the limiting mechanism is suitable for limiting the ball head part in the bottom of the corresponding U-shaped rod connecting seat from the U-shaped opening of the U-shaped rod connecting seat.
2. The adjustable rod connector of claim 1,
the shape of the assembly hole is matched with that of the ball head.
3. The adjustable rod connector of claim 2,
the stop gear includes: two limit parts respectively corresponding to the U-shaped rod connecting seats;
the limiting piece is a pressing ring;
the bottom of the compression ring is provided with an inner concave part matched with the ball head part;
after the two ball head parts are correspondingly clamped into the bottoms of the U-shaped rod connecting seats respectively, the corresponding ball head parts are clamped by the concave parts so as to limit the ball head parts in the bottoms of the corresponding U-shaped rod connecting seats.
4. The adjustable rod connector according to claim 3,
and limiting bulges are arranged on the inner walls of the two sides of each U-shaped rod connecting seat to prevent the pressing ring from being separated from the U-shaped opening.
5. The adjustable rod connector according to claim 3,
an arc-shaped notch is formed in one side of the compression ring;
when each concave part is tightly clamped with the corresponding ball head part, the arc-shaped notch is suitable for tightly clamping the rod part of the corresponding connecting rod.
6. The adjustable rod connector of claim 1,
each U-shaped rod connecting seat is provided with a blind hole which is suitable for being matched with a clamping apparatus and symmetrically arranged;
the blind holes are formed in two sides perpendicular to the direction of the U-shaped opening.
7. The adjustable rod connector of claim 1,
and inner threads matched with the fixing screws are formed in the inner walls of the two sides of each U-shaped rod connecting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021366354.5U CN213217536U (en) | 2020-07-13 | 2020-07-13 | Adjustable rod connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021366354.5U CN213217536U (en) | 2020-07-13 | 2020-07-13 | Adjustable rod connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213217536U true CN213217536U (en) | 2021-05-18 |
Family
ID=75889283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021366354.5U Active CN213217536U (en) | 2020-07-13 | 2020-07-13 | Adjustable rod connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213217536U (en) |
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2020
- 2020-07-13 CN CN202021366354.5U patent/CN213217536U/en active Active
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