CN109907840A - It is centered about device - Google Patents
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- CN109907840A CN109907840A CN201910281130.XA CN201910281130A CN109907840A CN 109907840 A CN109907840 A CN 109907840A CN 201910281130 A CN201910281130 A CN 201910281130A CN 109907840 A CN109907840 A CN 109907840A
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Abstract
The present invention provides one kind to be centered about device.Being centered about device includes: two clamping pieces, and each clamping piece has clamping part, formed between two clamping parts for clamping by the grasping part of locating piece, the dimension adjustable of grasping part；It is centered about structure, is located between two clamping pieces, structure is centered about and has and be centered about portion；Multiple elastic components, the one end for being centered about structure are connect by least one elastic component with a clamping piece, and the other end for being centered about structure is connect by least one elastic component with another clamping piece；Wherein, multiple elastic components are jointly to structure application elastic force is centered about, so that it is identical to be centered about the distance between portion and two clamping parts.Present invention efficiently solves the locating effect being centered about in the prior art for the problem that prosthese is poor, patient's postoperative effect is influenced.
Description
Technical field
The present invention relates to orthopaedics the field of medical instrument technology, are centered about device in particular to one kind.
Background technique
Currently, in lateral femoral condyle prosthesis implantation, being needed on distal joint face as far as possible in orthopaedics replacement knee replacement operation
Between two parties, so that prosthese is located at the center position of condyle of femur, so that prosthese has the covering of preferable bone, correctly rotation
Contraposition, and then guarantee postoperative effect.
However, in the prior art, it is generally required that doctor is by range estimation or feels to lead to the residence of prosthese so that prosthese is placed in the middle
Middle effect is poor, influences postoperative effect.
Summary of the invention
The main purpose of the present invention is to provide one kind to be centered about device, placed in the middle for prosthese in the prior art to solve
The problem of locating effect of positioning is poor, influences patient's postoperative effect.
To achieve the goals above, the present invention provides one kind to be centered about device, comprising: two clamping pieces, it is each to clamp
Part has clamping part, is formed between two clamping parts for clamping by the grasping part of locating piece, the size adjustable of grasping part
Section；It is centered about structure, is located between two clamping pieces, structure is centered about and has and be centered about portion；Multiple elastic components, between two parties
One end of location structure is connect by least one elastic component with a clamping piece, is centered about the other end of structure by least
One elastic component is connect with another clamping piece；Wherein, multiple elastic components jointly to be centered about structure apply elastic force so that
It is identical to be centered about the distance between portion and two clamping parts.
Further, it is centered about the number of the elastic component between structure and a clamping piece and is centered about structure and another
The number of elastic component between one clamping piece is consistent.
Further, each clamping piece has first connecting portion, is centered about device further include: guide frame, each clamping piece
It is connect by first connecting portion with guide frame, at least one first connecting portion is slidably connected with guide frame, to pass through
Slide first connecting portion along guide frame, to adjust the size of grasping part.
Further, clamping part is plate structure, and each clamping piece includes: connection ontology, and first connecting portion setting is connecting
On ontology, connection ontology and elastic component are clamped or weld；Second connecting portion, plate structure by second connecting portion with connect ontology
Connection, so that the side that plate structure is directed away from connection ontology extends.
Further, elastic component is spring, and connection ontology is the first tubular structure, and first connecting portion and clamping part are with the
The outer surface of one tubular structure connects, and one end of each spring is protruded into the first tubular structure and connect with the first tubular structure.
Further, being centered about structure includes: the second tubular structure, and the portion of being centered about is arranged in the second tubular structure
On, the other end of each spring protrudes into the second tubular structure and is clamped or welds with the second tubular structure；Third interconnecting piece, between two parties
Positioning region is connect by third interconnecting piece with the second tubular structure, and third interconnecting piece has scale slot.
Further, guide frame is column structure, the extension of the first tubular structure, the second tubular structure and column structure
Direction is consistent with the telescopic direction of spring.
Further, the second tubular structure has the plane of reference S vertical with its axis, plane of reference S and the second tubular structure
The distance between two end faces it is identical, the portion of being centered about is instruction tip, and plane of reference S is crossed at instruction tip.
Further, it is centered about device further include: pedestal, what pedestal was connected with sliding hole section and with sliding hole section
Installation gap, the setting of connection ontology is in sliding hole section, and the second tubular structure is slidably disposed in sliding hole section, and third connects
Socket part is pierced by outside pedestal by installation gap, so that the portion of being centered about is located at outside pedestal.
Further, pedestal also has the first through slot and the second through slot, the first through slot and the second through slot with sliding hole section
Connection, guide frame are pierced by outside pedestal by the first through slot, and second connecting portion is pierced by outside pedestal by the second through slot, so that clamping
Portion is located at outside pedestal.
Further, it is provided with graduation mark on pedestal, by being correspondingly arranged scale slot and graduation mark to placed in the middle fixed
Position portion is adjusted.
It applies the technical scheme of the present invention, is centered about device and includes two clamping pieces, be centered about structure and multiple bullets
Property part.Wherein, each clamping piece has clamping part, is formed between two clamping parts for clamping by the grasping part of locating piece, folder
Hold the dimension adjustable in space.Structure is centered about between two clamping pieces, structure is centered about and has and be centered about portion.
The one end for being centered about structure is connect by least one elastic component with a clamping piece, and the other end for being centered about structure passes through
At least one elastic component is connect with another clamping piece.In this way, before by Using prosthesis by locating piece (condyle of femur), it will be placed in the middle
Two clamping pieces of positioning device are clamped in by locating piece (condyle of femur), and multiple elastic components apply to being centered about structure jointly
Elastic force is centered about portion by locating piece (femur so that it is identical to be centered about the distance between portion and two clamping parts
Condyle) on it is placed in the middle, and then determined by the midline position of locating piece (condyle of femur), and then solve and occupied in the prior art for prosthese
The problem of locating effect of middle positioning is poor, influences patient's postoperative effect, in order in later period Using prosthesis condyle of femur.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows the schematic perspective view of the embodiment according to the present invention for being centered about device；
Fig. 2 shows the top views for being centered about device in Fig. 1；
Fig. 3 shows the sectional view along A-A for being centered about device in Fig. 2；
Fig. 4 shows the clamping piece for being centered about device in Fig. 1 and shows with the stereochemical structure after guide frame assembly
It is intended to；
Fig. 5 shows a clamping piece in Fig. 4 and the top view after guide frame assembly；
Fig. 6 shows a clamping piece in Fig. 5 and the B-B direction cross-sectional view after guide frame assembly；
Fig. 7 shows the schematic perspective view of another clamping piece for being centered about device in Fig. 1；
Fig. 8 shows the top view of another clamping piece in Fig. 7；
Fig. 9 shows the C-C of another clamping piece in Fig. 8 to cross-sectional view；
Figure 10 shows the schematic perspective view for being centered about structure for being centered about device in Fig. 1；
Figure 11 shows the cross-sectional view for being centered about structure in Figure 10；
Figure 12 shows the schematic perspective view of the pedestal for being centered about device in Fig. 1；
Figure 13 shows the main view of the pedestal in Figure 12；And
Figure 14 shows the D-D of the pedestal in Figure 13 to cross-sectional view.
Wherein, the above drawings include the following reference numerals:
10, clamping piece；11, clamping part；12, first connecting portion；13, ontology is connected；14, second connecting portion；20, placed in the middle fixed
Bit architecture；21, it is centered about portion；22, the second tubular structure；23, third interconnecting piece；231, scale slot；30, elastic component；40, it leads
To structure；50, pedestal；51, hole section is slid；52, installation gap；53, the first through slot；54, the second through slot；55, graduation mark.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
It should be pointed out that unless otherwise specified, all technical and scientific terms used in this application have and the application
The normally understood identical meanings of person of an ordinary skill in the technical field.
In the present invention, in the absence of explanation to the contrary, the noun of locality used is usually directed to attached drawing as " upper and lower "
Shown in for direction, or on vertical, vertical or gravity direction；Similarly, it for ease of understanding and retouches
It states, " left and right " is usually for shown in the drawings left and right；" inside and outside " refers to the inside and outside of the profile relative to each component itself,
But the above-mentioned noun of locality is not intended to restrict the invention.
It is poor in order to solve the locating effect being centered about in the prior art for prosthese, influence asking for patient's postoperative effect
Topic, this application provides one kind to be centered about device.
As shown in Figure 1 to Figure 3, device is centered about to include two clamping pieces 10, be centered about structure 20 and two elasticity
Part 30.Wherein, each clamping piece 10 has clamping part 11, is formed between two clamping parts 11 empty by the clamping of locating piece for clamping
Between, the dimension adjustable of grasping part.Structure 20 is centered about between two clamping pieces 10, being centered about structure 20 has
It is centered about portion 21.The one end for being centered about structure 20 is connect by an elastic component 30 with a clamping piece 10, is centered about
The other end of structure 20 is connect by an elastic component 30 with another clamping piece 10.Wherein, two elastic components 30 are jointly to residence
Middle location structure 20 applies elastic force, so that it is identical to be centered about the distance between portion 21 and two clamping parts 11.
Using the technical solution of the present embodiment, before by Using prosthesis by locating piece (condyle of femur), dress will be centered about
Two clamping pieces 10 set are clamped in by locating piece (condyle of femur), and two elastic components 30 apply to being centered about structure 20 jointly
Elastic force is centered about portion 21 by locating piece so that it is identical to be centered about the distance between portion 21 and two clamping parts 11
It is placed in the middle on (condyle of femur), and then determined by the midline position of locating piece (condyle of femur), and then solve and be directed in the prior art
The problem of locating effect that prosthese is centered about is poor, influences patient's postoperative effect, in order in later period Using prosthesis condyle of femur.
In the present embodiment, it is centered about device and is mainly used in knee prosthesis and be implanted into lateral femoral condyle prosthesis.Wherein, originally
The device that is centered about in embodiment can be applied to Total knee arthroplasty or single condyle displacement.Meanwhile it being centered about portion 21 and can determined
It crosses on position part (condyle of femur), so that being centered about line by generating on locating piece (condyle of femur).
It should be noted that the number of elastic component 30 is without being limited thereto, as long as can apply elasticity to structure 20 is centered about
Power.Optionally, elastic component 30 is four or six or eight.
In the present embodiment, it is centered about the number of the elastic component 30 between structure 20 and a clamping piece 10 and determines between two parties
The number of elastic component 30 between bit architecture 20 and another clamping piece 10 is consistent.Specifically, structure 20 and two are centered about
Two elastic components 30 are respectively set between clamping piece 10 so that two elastic components 30 to be centered about structure 20 apply bullet
Property power it is equal in magnitude, contrary, and then guarantee to be centered about structure 20 under the resilient force of two elastic components 30 with two
A clamping part 11 is equidistant.
As shown in Fig. 4 to Fig. 9, each clamping piece 10 has first connecting portion 12, and being centered about device further includes guide frame
40.Wherein, each clamping piece 10 is connect by first connecting portion 12 with guide frame 40, a first connecting portion 12 and guide frame
40 are slidably connected, with by make first connecting portion 12 along guide frame 40 slide, to adjust the size of grasping part.This
Two clamping pieces 10 are clamped in by locating piece by sample, doctor by pulling the clamping piece 10 being slidably connected with guide frame 40
On (condyle of femur), operated convenient for doctor.Meanwhile above-mentioned setting enables to be centered about device and is suitable for various sizes of being determined
Position part (condyle of femur) expands the use scope for being centered about device.
Specifically, a clamping piece 10 is fixed on guide frame 40, and a clamping piece 10 is slidably disposed on guiding
In structure 40, the clamping piece 10 that doctor is slidably connected by operation with guide frame 40 is so that the distance between two clamping parts 11
Adjustable, i.e., the size of grasping part is adjustable, so that being centered about device can be applied to various sizes of be determined
On position part (condyle of femur).
It should be noted that the number for the first connecting portion 12 being slidably connected with guide frame 40 is without being limited thereto.Optionally,
Two first connecting portions 12 are slidably connected with guide frame 40, to adjust the distance between two clamping parts 11, in turn
So that be centered about device can be applied to it is various sizes of by locating piece (condyle of femur).
As shown in Fig. 4 to Fig. 9, clamping part 11 is plate structure, and each clamping piece 10 includes connection ontology 13 and the second connection
Portion 14.Wherein, on connection ontology 13, connection ontology 13 and elastic component 30 weld the setting of first connecting portion 12.Plate structure is logical
It crosses second connecting portion 14 and is connected with ontology 13 is connect, so that the side that plate structure is directed away from connection ontology 13 extends.In this way,
Above-mentioned setting both will not occur to be mutually disengaged and influence placed in the middle so that the connection of connection ontology 13 and elastic component 30 is more firm
The phenomenon that positioning device normal use.Meanwhile the structure of above structure is simple, is easily worked, realizes.
In the present embodiment, clamping part 11 above-mentioned setting so that clamping part 11 with by the contact surface of locating piece (condyle of femur)
Product increases, so that 11 pairs of the clamping part clampings by locating piece (condyle of femur) are more stable, prevents the two from undesirably falling off and shadow
Ring the determination of midline position.
It should be noted that connection ontology 13 and the connection type of elastic component 30 are without being limited thereto.Optionally, ontology 13 is connected
It is clamped with elastic component 30.In this way, above-mentioned setting so that the dismounting of connection ontology 13 and elastic component 30 is more easier, is easy, reduces
Dismounting difficulty.
As shown in Fig. 6 and Fig. 9, elastic component 30 is spring, and connection ontology 13 is the first tubular structure, 12 He of first connecting portion
Clamping part 11 is connect with the outer surface of the first tubular structure, one end of each spring protrude into the first tubular structure and with first
The connection of shape structure.In this way, the direction that clamping part 11 and first connecting portion 12 are directed away from the first tubular structure extends, to guarantee
Clamping part 11 can be clamped to by locating piece (condyle of femur), and first connecting portion 12 can be connect with guide frame 40.
In the present embodiment, one end of spring is protruded into the inner cylinder of the first tubular structure, is matched with the barrel interference with inner cylinder
It closes, influences the normal use for being centered about device to prevent the two to be mutually disengaged.
As shown in Figure 10 and Figure 11, being centered about structure 20 includes the second tubular structure 22 and third interconnecting piece 23.Wherein,
It is centered about portion 21 to be arranged on the second tubular structure 22, the other end of each spring protrudes into the second tubular structure 22 and with second
The clamping of tubular structure 22 or welding.It is centered about portion 21 to connect by third interconnecting piece 23 with the second tubular structure 22, third connects
Socket part 23 has scale slot 231.In this way, the structure of above structure is simple, it is easily worked, realizes, reduce and be centered about device
Processing cost.
Specifically, one end of first spring is protruded into the inner cylinder of first the first tubular structure, with the cylinder with the inner cylinder
Wall interference fit.The other end of the spring protrudes into the side inner cylinder of the second tubular structure 22, and the barrel interference with the inner cylinder
Cooperation, and then the side of first the first tubular structure and the second tubular structure 22 is linked together by the spring；Second
One end of a spring is protruded into the inner cylinder of second the first tubular structure, to be interference fitted with the barrel of the inner cylinder.The spring
The other end protrudes into the other side inner cylinder of the second tubular structure 22, and is interference fitted with the barrel of the inner cylinder, and then pass through the bullet
Spring links together the other side of second the first tubular structure and the second tubular structure 22, then two springs are by two first
Tubular structure and the second tubular structure 22 link together.When the first tubular structure being slidably connected with guide frame 40 is along bullet
When the telescopic direction movement of spring, the second tubular structure 22 under the resilient force of spring with spring movement, until second
The both ends stress balance of shape structure 22 is then centered about portion 21 and is in by the midline position of locating piece (condyle of femur).
As shown in Figure 1 to Figure 3, guide frame 40 is column structure, the first tubular structure, the second tubular structure 22 and column
The extending direction of structure is consistent with the telescopic direction of spring.Specifically, first connecting portion 12 is set in outside column structure, with
Column structure connection, so that first connecting portion 12 is more easier along the sliding of column structure, is easy.In this way, above-mentioned setting
So that the glide direction and bullet of the glide direction for the first tubular structure being slidably connected with guide frame 40, the second tubular structure 22
The telescopic direction of spring on the same line, guarantees that the Impact direction of the second tubular structure 22 (being centered about structure 20) is slided with it
Direction is consistent, and then guarantees that the second tubular structure 22 will not twist in sliding process, and then guarantees to be centered about portion 21
Positional accuracy.
As in figs. 3 and 11, the second tubular structure 22 has the plane of reference S vertical with its axis, plane of reference S and second
The distance between two end faces of tubular structure 22 are identical, are centered about portion 21 as instruction tip, plane of reference S is crossed at instruction tip.
It is centered about on the middle line of structure 20 in this way, above-mentioned setting guarantees that instruction tip is located at, and then guarantees to be centered about determining for portion 21
Position accuracy.
In the present embodiment, being centered about structure 20 is symmetrical structure, its plane of symmetry is crossed at instruction tip.
As shown in Figure 12 to Figure 14, being centered about device further includes pedestal 50.Wherein, pedestal 50 have sliding hole section 51 and
The installation gap 52 being connected with sliding hole section 51, for the setting of connection ontology 13 in sliding hole section 51, the second tubular structure 22 can
It is slidably arranged in sliding hole section 51, third interconnecting piece 23 is pierced by outside pedestal 50 by installation gap 52, so as to be centered about
Portion 21 is located at outside pedestal 50.In this way, 50 one side of pedestal can to elastic component 30, connection ontology 13 and the second tubular structure 22 into
Row protection；On the other hand, the above-mentioned setting of pedestal 50 promotes doctor's vision body so that the appearance for being centered about device is more beautiful
It tests.
As shown in figure 14, pedestal 50 also has the first through slot 53 and the second through slot 54, the first through slot 53 and the second through slot 54
It is connected to sliding hole section 51, guide frame 40 is pierced by outside pedestal 50 by the first through slot 53, and second connecting portion 14 passes through second
Through slot 54 is pierced by outside pedestal 50, so that clamping part 11 is located at outside pedestal 50.In this way, above-mentioned setting is so that be centered about the knot of device
Structure is more compact, beautiful.
As shown in Figure 12 and Figure 13, it is provided with graduation mark 55 on pedestal 50, by keeping scale slot 231 and graduation mark 55 right
It should be arranged to be adjusted to the portion that is centered about 21.Specifically, after the portion that is centered about 21 is placed in the middle, doctor can be by adjusting manually
So that scale slot 231 is correspondingly arranged with graduation mark 55, and then the good of prosthese installation is effectively ensured in the whole position for being centered about portion 21
Good bone covers, the rotation of correct prosthese aligns.Wherein, the adjustment size for being centered about portion 21 can be obtained by graduation mark 55
Know.
It can be seen from the above description that the above embodiments of the present invention realized the following chievements:
Before by Using prosthesis by locating piece (condyle of femur), two clamping pieces for being centered about device are clamped in and are determined
On position part (condyle of femur), multiple elastic components are jointly to structure application elastic force is centered about, so as to be centered about portion and two folders
It is identical to hold the distance between portion, that is, it is placed in the middle on by locating piece (condyle of femur) to be centered about portion, and then determined by locating piece (stock
Bone condyle) midline position, and then it is poor to solve the locating effect being centered about in the prior art for prosthese, influences patient's art
Afterwards the problem of effect, in order in later period Using prosthesis condyle of femur.
Obviously, above-mentioned the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.
Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts all
Other embodiments should fall within the scope of the present invention.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, work, device, component and/or their combination.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so that presently filed embodiment described herein can be in addition to illustrating herein
Or the sequence other than those of description is implemented.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (11)
1. one kind is centered about device characterized by comprising
Two clamping pieces (10), each clamping piece (10) have clamping part (11), are formed between two clamping parts (11)
For clamping by the grasping part of locating piece, the dimension adjustable of the grasping part；
Structure (20) are centered about, are located between two clamping pieces (10), described be centered about structure (20) have between two parties
Positioning region (21)；
Multiple elastic components (30), described one end for being centered about structure (20) pass through at least one described elastic component (30) and one
Clamping piece (10) connection, the other end for being centered about structure (20) is by least one described elastic component (30) and separately
One clamping piece (10) connection；Wherein, multiple elastic components (30) apply to described be centered about structure (20) jointly
Elastic force, so that described, to be centered about the distance between portion (21) and two clamping parts (11) identical.
2. according to claim 1 be centered about device, which is characterized in that described to be centered about structure (20) and an institute
The number for stating the elastic component (30) between clamping piece (10) is centered about structure (20) and another described clamping with described
The number of the elastic component (30) between part (10) is consistent.
3. according to claim 1 be centered about device, which is characterized in that each clamping piece (10) has the first connection
Portion (12), it is described to be centered about device further include:
Guide frame (40), each clamping piece (10) are connected by the first connecting portion (12) and the guide frame (40)
It connects, at least one described first connecting portion (12) is slidably connected with the guide frame (40), by making described first
Interconnecting piece (12) is slided along the guide frame (40), to adjust the size of the grasping part.
4. according to claim 3 be centered about device, which is characterized in that the clamping part (11) is plate structure, respectively
The clamping piece (10) includes:
It connects ontology (13), the first connecting portion (12) is arranged on the connection ontology (13), the connection ontology (13)
It is clamped or welds with the elastic component (30)；
Second connecting portion (14), the plate structure are connected by the second connecting portion (14) and the connection ontology (13),
So that the side that the plate structure is directed away from connection ontology (13) extends.
5. according to claim 4 be centered about device, which is characterized in that the elastic component (30) is spring, the company
Connecing ontology (13) is the first tubular structure, the first connecting portion (12) and the clamping part (11) with the first tubular knot
The outer surface of structure connects, and one end of each spring is protruded into first tubular structure and connected with first tubular structure
It connects.
6. according to claim 5 be centered about device, which is characterized in that the structure (20) that is centered about includes:
Second tubular structure (22), described be centered about portion (21) are arranged on second tubular structure (22), each bullet
The other end of spring protrudes into second tubular structure (22) and is clamped or welds with second tubular structure (22)；
Third interconnecting piece (23), the portion (21) that is centered about pass through the third interconnecting piece (23) and second tubular structure
(22) it connects, the third interconnecting piece (23) has scale slot (231).
7. according to claim 6 be centered about device, which is characterized in that the guide frame (40) is column structure,
The extending direction of first tubular structure, second tubular structure (22) and the column structure is stretched with the spring
Contracting direction is consistent.
8. according to claim 6 be centered about device, which is characterized in that second tubular structure (22) has and it
The axis vertical plane of reference S, the plane of reference S is identical as the distance between two end faces of second tubular structure (22),
Instruction tip, the excessively described plane of reference S in instruction tip is in described be centered about portion (21).
9. according to claim 6 be centered about device, which is characterized in that described to be centered about device further include:
Pedestal (50), the installation gap that the pedestal (50) has sliding hole section (51) and is connected with sliding hole section (51)
(52), in the sliding hole section (51), second tubular structure (22) is slideably set for connection ontology (13) setting
It sets in the sliding hole section (51), the third interconnecting piece (23) is pierced by the pedestal (50) by the installation gap (52)
Outside, so that described be centered about portion (21) are located at the pedestal (50) outside.
10. according to claim 9 be centered about device, which is characterized in that the pedestal (50) also has the first through slot
(53) and the second through slot (54), first through slot (53) and second through slot (54) connect with the sliding hole section (51)
Logical, the guide frame (40) is pierced by the pedestal (50) outside by first through slot (53), the second connecting portion (14)
The pedestal (50) is pierced by outside by second through slot (54), so that the clamping part (11) is located at the pedestal (50) outside.
11. according to claim 9 be centered about device, which is characterized in that be provided with graduation mark on the pedestal (50)
(55), with by make the scale slot (231) and the graduation mark (55) be correspondingly arranged with to it is described be centered about portion (21) into
Row adjustment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910281130.XA CN109907840B (en) | 2019-04-09 | 2019-04-09 | Centering positioning device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910281130.XA CN109907840B (en) | 2019-04-09 | 2019-04-09 | Centering positioning device |
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| CN109907840A true CN109907840A (en) | 2019-06-21 |
| CN109907840B CN109907840B (en) | 2023-03-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487153A (en) * | 2019-09-11 | 2019-11-22 | 中建八局轨道交通建设有限公司 | The review measuring device and its method of middle the buried water stop installation and bar spacing of tunnel inverted arch longitudinal direction construction joint |
| CN113081336A (en) * | 2021-03-31 | 2021-07-09 | 成都煜康医疗技术服务有限公司 | Oral implant positioner |
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| US6096043A (en) * | 1998-12-18 | 2000-08-01 | Depuy Orthopaedics, Inc. | Epicondylar axis alignment-femoral positioning drill guide |
| CN1806754A (en) * | 2005-12-19 | 2006-07-26 | 清华大学 | Apparatus for detecting tuberosity displacement after humeral head replacement operation |
| CN101889897A (en) * | 2009-05-22 | 2010-11-24 | 马若凡 | Prosthesis registering device |
| CN102189512A (en) * | 2011-03-23 | 2011-09-21 | 昆山若宇检具工业有限公司 | Centered positioning mechanism |
| WO2013068720A1 (en) * | 2011-11-11 | 2013-05-16 | Depuy (Ireland) | A bone sizing guide |
| CN103852524A (en) * | 2014-03-26 | 2014-06-11 | 深圳市神视检验有限公司 | Automatic scanning device for ultrasonic wave detection |
| CN205434006U (en) * | 2015-12-30 | 2016-08-10 | 上海浦卫医疗器械厂有限公司 | A hold into ware for installing cervical vertebra joint prosthesis |
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| CN110487153A (en) * | 2019-09-11 | 2019-11-22 | 中建八局轨道交通建设有限公司 | The review measuring device and its method of middle the buried water stop installation and bar spacing of tunnel inverted arch longitudinal direction construction joint |
| CN110487153B (en) * | 2019-09-11 | 2024-05-10 | 中建八局轨道交通建设有限公司 | Device and method for rechecking and measuring installation and reinforcement spacing of buried water stop |
| CN113081336A (en) * | 2021-03-31 | 2021-07-09 | 成都煜康医疗技术服务有限公司 | Oral implant positioner |
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