CN108433822A - Clearance checking scale - Google Patents
Clearance checking scale Download PDFInfo
- Publication number
- CN108433822A CN108433822A CN201710084213.0A CN201710084213A CN108433822A CN 108433822 A CN108433822 A CN 108433822A CN 201710084213 A CN201710084213 A CN 201710084213A CN 108433822 A CN108433822 A CN 108433822A
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- CN
- China
- Prior art keywords
- handle
- distraction plate
- rack
- plate
- distraction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 210000004872 soft tissue Anatomy 0.000 description 12
- 210000002303 tibia Anatomy 0.000 description 8
- 210000000689 upper leg Anatomy 0.000 description 8
- 238000011156 evaluation Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000013150 knee replacement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 210000000988 bone and bone Anatomy 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 210000000629 knee joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The present invention proposes a kind of clearance checking scale comprising first handle, second handle, the first distraction plate, the second distraction plate, gear and rack；Second handle is articulated in the first handle；First distraction plate is connected to the first handle；Second distraction plate is slidably connected to the first handle, can be slided up and down relative to first distraction plate, and a pin and measuring device are additionally provided on second distraction plate, and the measuring device is used to measure the gap between the first distraction plate and the second distraction plate；Gear is rotatably dispose in first distraction plate vertically, and the gear is equipped with pivot structure, and the periphery of the pivot structure has spiral groove, the pin to be engaged with the spiral groove；Rack is slideably positioned in first distraction plate and is meshed with the gear, and the second handle is connected with rack to be moved with drive rack.
Description
Technical field
Between being used in a kind of total knee replacement instrument more particularly to a kind of operation of total knee replacement
Gap measuring appliance.
Background technology
Currently, in the operation of total knee replacement, stretch or the strutting of buckling gap, soft tissue balance evaluation and gap
Size measure it is most realized by different instrument, seldom can will be in three kinds of function sets a to instrument.Such as use board-like support
It opens device and carries out space distraction and soft tissue balance evaluation, clearance measurement is carried out using a series of clearance measurement block of different-thickness.
Therefore surgical procedure is more complicated, and surgical instrument quantity is more.
Above- mentioned information is only used for reinforcing the understanding of the background to the present invention, therefore it disclosed in the background technology part
May include the information not constituted to the prior art known to persons of ordinary skill in the art.
Invention content
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, it one kind is provided can be achieved at the same time and stretch or buckling
The gap measuring apparatus that the strutting of gap, soft tissue balance evaluation and gap size measure.
The additional aspect and advantage of the present invention will be set forth in part in the description, and partly will be from description
Be apparent from, or can be through the invention practice and acquistion.
According to an aspect of the present invention, a kind of clearance checking scale, including first handle, second handle, the first distraction plate,
Second distraction plate, gear and rack；Second handle is articulated in the first handle；First distraction plate is connected to described first-hand
Handle；Second distraction plate is slidably connected to the first handle, can be slided up and down relative to first distraction plate, second support
It opens and is additionally provided with a pin and measuring device on plate, the measuring device is for measuring between the first distraction plate and the second distraction plate
Gap；Gear is rotatably dispose in first distraction plate vertically, and the gear is equipped with pivot structure, the pivot structure
Periphery has spiral groove, the pin to be engaged with the spiral groove；Rack be slideably positioned in first distraction plate and with institute
It states gear to be meshed, the second handle is connected with rack to be moved with drive rack.
According to an embodiment of the present invention, further include stop device, be set to the tail end of rack, prevent the rack to
After skid off.
According to an embodiment of the present invention, the second distraction plate includes the sliding part close to first handle, and is articulated in
The rotation section of the sliding part.
According to an embodiment of the present invention, the first handle includes that first handle handle part and first handle extend
Portion is formed with cavity in the first handle extension, is passed through for the rack, second distraction plate and the first handle
Extension is slidably connected.
According to an embodiment of the present invention, the first handle, which is equipped with, pushes piece, the second handle and the tooth
Item is connected by the promotion piece.
According to an embodiment of the present invention, resetting spring is additionally provided on the first handle, the resetting spring is in institute
It states between first handle and the promotion piece, the second handle is resetted by the resetting spring.
According to an embodiment of the present invention, the stop device includes a unlocking board and a retaining spring, the stop
Spring and the unlocking board are socketed in the tail portion of the rack successively.
According to an embodiment of the present invention, the measuring device is the mark cylinder on second distraction plate, institute
It states mark cylinder and is equipped with graduation mark, have the marking part coordinated with the graduation mark on the pivot structure.
According to an embodiment of the present invention, window is offered on the mark cylinder, the graduation mark is arranged in window side.
According to an embodiment of the present invention, first distraction plate and the second distraction plate are equipped with the use of consistency from top to bottom
In the through hole of insertion force line bar.
As shown from the above technical solution, the advantages and positive effects of the present invention are：
The present invention gap measuring apparatus, in the same step i.e. realize stretch or buckling gap strut it is big with gap
Small measurement.Further, since the meshing relation between gear and the meshing relation and screw-rod structure and pin of rack, works as second-hand
When handle rotates, the distance of second distraction plate movement is very small, can more be accurately determined the position of the second distraction plate, only needs
It wants the strength of very little to can reach the purpose for strutting gap, improves convenience and comfort in surgical.This gap is surveyed
The gap width of measuring device can be continuously adjusted between the minimum and maximum, and compared with the clearance measurement block of fixed thickness, operation is more
Add flexibly, and reduces the quantity of surgical instrument.In alternative embodiments, the second distraction plate includes close to first handle
Whether sliding part and the rotation section for being articulated in the sliding part can be balanced by the state evaluation soft tissue of rotation section, can be same
Shi Shixian space distractions, clearance measurement and soft tissue evaluate three functions, are conveniently operated.
Description of the drawings
Its example embodiment is described in detail by referring to accompanying drawing, above and other feature of the invention and advantage will become
It is more obvious.
Fig. 1 is the structural schematic diagram of the clearance checking scale of an embodiment of the present invention；
Fig. 2 is the diagrammatic cross-section figure of Fig. 1；
Fig. 3 is the schematic top plan view of Fig. 1；
Schematic diagram when Fig. 4 is measuring device reading；
Fig. 5 to Fig. 7 is the schematic diagram when clearance checking scale of the present invention is evaluated for soft tissue；
Fig. 8 is the partial enlarged view for showing the second distraction plate and the first distraction plate shown in Fig. 2；
Fig. 9 is the exploded perspective view of clearance checking scale shown in FIG. 1.
In figure：1, first handle；11, resetting spring；12, first handle extension；13, first handle handle part；2,
Two handles；3, the first distraction plate；4, the second distraction plate；41, sliding part；42, rotation section；43, pin；44, axis pin；5, gear；
51, pivot structure；52, spiral groove；6, rack；7, measuring device；71, cylinder is indicated；72, marking part；73, window；8, stop
Device；81, unlocking board；82, retaining spring；91, through hole；92, through hole；10, piece is pushed.
Specific implementation mode
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, thesing embodiments are provided so that the present invention will
Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.Identical attached drawing in figure
Label indicates same or similar structure, thus will omit their detailed description.
Referring to Fig. 1 to Fig. 9, embodiment of the present invention discloses a kind of clearance checking scale, which is used for total knee
Joint replacement surgery.The clearance checking scale includes first handle 1, second handle 2, the first distraction plate 3, the second distraction plate 4, gear
5, rack 6, measuring device 7 and stop device 8.
Referring to Fig. 1, Fig. 2 and Fig. 9 it is found that the first handle 1 and second handle 2 form en scissors-like construction, that is, this second
Handle 2 is articulated on the first handle 1, and second handle 2 and first handle 1 can relatively rotate.First distraction plate 3 and
Two distraction plates 4 are used cooperatively, to strut the gap between shin bone and femur.First distraction plate 3 and the second distraction plate 4 are substantially
Tablet, wherein the first distraction plate 3 is connected to first handle 1, which can directly be connected with first handle 1
Connect, first handle can also be indirectly attached to by connecting other parts such as extension, in addition, first distraction plate 3 with
First handle 1 can be integrated, and the two can be integrally cast, or be connected through a screw thread again after manufacturing respectively, welded, rivet
Etc. modes be attached.
Second distraction plate 4 is slidably connected to the first distraction plate 3 and can be slided up and down relative to the first distraction plate 3.By Fig. 9
It is found that in the present embodiment, first handle 1 has first handle extension 12 and first handle handle part 13, first handle
Extension 12 is formed in the top of first handle handle part 13, is inside formed with cavity, is passed through for the rack 6, first handle prolongs
12 front end of extending portion is connect with the second distraction plate 4, can be arranged a vertical raised line, fluted on the second distraction plate 4, by with it is first-hand
Raised line on handle extension 12 matches, to realize that the extension relative to first handle 1 slides up and down.Second distraction plate 4
Can also include a sliding part 41 and a rotation section 42, what it is close to first handle 3 is sliding part 41, which can be relative to
First handle extension 12 slides up and down, and can be slided up and down relative to the first distraction plate 3, rotation section 42 is then articulated in sliding
Top in portion 41 and positioned at the first distraction plate 3.It should be pointed out that due to consolidating between the first distraction plate 3 and first handle 1
Surely therefore even if the relationship connected when sliding part 41 is slidably connected to the first distraction plate 3, is still also considered as sliding and connects
It is connected on first handle 1.
Relative motion between second distraction plate 4 and the first distraction plate 3 is by gear 5, rack 6 and second handle 2
Collective effect realize.The gear 5 is rotatably arranged on the first distraction plate 3 vertically, set on gear 5 there are one with the gear
The upper end periphery of the pivot structure 51 of connection, the pivot structure 51 is equipped with spiral groove 52.It is additionally provided with one on the second distraction plate 4
Pin 43, the pin 43 are engaged in the spiral groove 52 of pivot structure 51.When gear 5 rotates, pivot structure 51 is driven to rotate,
The spiral groove 52 of pivot structure 51 drives pin to move up, and is further driven to strutting for the second distraction plate, therefore pass through pin
The interaction of nail 43 and screw-rod structure 52 so that the gear 5 can drive the second distraction plate 4 to slide up and down.The sliding of rack 6 is set
It sets on the first distraction plate 3, is divided into rack head, middle part and tail portion, the rack head is with teeth and is meshed with gear 5.The tooth
Item 6 is also connected by a promotion piece 10 with second handle 2.Piece is pushed to be arranged in the cavity of first handle extension 12, with
Rack is connected.Thus, which the second handle 2 when being rotated relative to first handle 1, pushes piece 10, piece 10 is pushed
It is connected on rack 6, can travel forward with carry-over bar 6, band moving gear 5 rotates the rack 6 again.It, being capable of band when gear 5 rotates
Dynamic pin 43 rotates, to drive the second distraction plate 4 to be moved relative to the first distraction plate.
Measuring device 7 is used to measure the gap between the first distraction plate 3 and the second distraction plate 4.Due to 3 He of the first distraction plate
The thickness of second distraction plate 4 be it is certain, thus the gap between first distraction plate 3 and the second distraction plate 4 can directly or
Switch through the gap being changed between two bones.The specific constructive form of the measuring device 7 is not intended to limit, as long as between capable of reaching measurement
The purpose of gap.The measuring device 7 can be formed directly on the second distraction plate 4, can also be used as individual component, assembly
On the second distraction plate 4.As shown in figure 4, in the present embodiment, measuring device 7 includes mark cylinder 71.Indicating cylinder 71 is substantially in
Tubular is located on upper first distraction plate, has window, window both sides or side to be provided with graduation mark on mark cylinder 71, the mark
Show that cylinder 71 can be integrated with upper first distraction plate, but is not limited thereto.It is equipped with and is indicated on cylinder 71 on pivot structure 51
Graduation mark cooperation marking part 72, in the present embodiment, which is 51 periphery of pivot structure of the second distraction plate
Ring.When the second distraction plate 4 moves up and down, which matches with the graduation mark on mark cylinder 71, can be used for
Read the distance between the first distraction plate 3 and the second distraction plate 4.
As shown in Figure 1, a resetting spring 11 is also provided on first handle 1, which is socketed in rack
Middle part, in the cavity of the first handle extension 12, and between 12 front inner wall of extension and the promotion piece 10,
By pushing piece 10 to be connected with second handle 2, so as to which second handle 2 is driven to reset.The resetting spring 11 can be cylinder
Helical spring, but be not limited thereto, or deformed spring is selected according to the design feature of first handle 1.
The stop device 8 for preventing rack 6 from sliding backward, prevent in use rack slide rearwardly out effective model
It encloses.Rack 6 and 5 position of gear can thus be locked so that 4 relative position of the first distraction plate 3 and the second distraction plate
It is constant.After first distraction plate 3 and the locking of the second distraction plate 4, the hand of doctor can loosen, and be not required to continuing firmly
Keep the relative position of the first distraction plate 3 and the second distraction plate 4.In the present embodiment, which includes a unlocking board
81 and retaining spring 82.One end of the retaining spring 82 is connect with the rear of first handle extension, the other end and unlocking board
81 are connected, and are socketed on rack tail portion, and the tail portion of rack does not have tooth, which is also connected on rack tail portion, and
And the upper edge of first handle extension has a protruding block backward, there is a groove on unlocking board 81, and it is convex to be movably connected to this
On first handle extension in bittiness.In normal state, the lower end under the promotion of retaining spring 82 of unlocking board 81 tilts, with
After rack 6 engages, which can only be preceding and then can not fall back, and after hand being unlocked by pressing plate 81, which overcomes only
Move spring 82 elastic force and leave the engaging of rack 6, this hour rack 6 can retreat.
By Fig. 2 and Fig. 8 it is found that be additionally provided on the first distraction plate 3 and the second distraction plate 4 consistency from top to bottom be used for insertion force
The through hole of line bar is equipped with through hole 92 wherein being equipped with through hole 91 on the second distraction plate 4 on the first distraction plate 3.This two
The axis of a through hole is to overlap.
Referring to Fig. 5 to Fig. 7, due to being the relationship being mutually pivotally connected between the sliding part 41 and rotation section 42 of the second distraction plate 4,
Rotation section 42 is pivotally attached to the axis line position of rotation section by a pin, thus, when the second distraction plate 4 and the first distraction plate 3 are inserted
When entering to spatium interosseum, it can be used for the evaluation of soft tissue balance.Wherein, as shown in figure 5, when soft tissue balance situation is preferable,
3 substantial equilibrium of the rotation section 42 and the first distraction plate, as shown in FIG. 6 and 7, when soft tissue balance situation is poor, the rotation
Portion 42 can tilt in lower section or lower right to the left relative to the first distraction plate 3.Doctor can according to the inclination conditions of rotation section 42,
Judge the soft tissue balance situation at spatium interosseum.
The clearance checking scale of embodiment of the present invention use process is as follows.
After completing proximal tibia osteotomy and distal femur osteotomy, the proximal tibia and distal femur be provided with it is certain between
Gap, when for stretching gap, second distraction plate 4 and the first distraction plate 3 are located at distal femur osteotomy surface and proximal tibia section
Between bone face, when for buckling gap, second distraction plate 4 and the first distraction plate 3 are located at femur four-in-one osteotomy board bottom and put down
Between face and proximal tibia osteotomy surface.
Doctor only needs a hand to hold first handle 1 and second handle 2, you can operates the clearance checking scale of the present invention.It is first
First the first distraction plate 3 and the second distraction plate 4 are inserted into the gap between femur and shin bone, then, the first handle 1 of holding with a firm grip
With second handle 2, in the process, second handle 2 travels forward with carry-over bar 6, which drives gear 5 to rotate.Gear 5
The screw-rod structure 52 of upper end engages with the pin 43 on the second distraction plate 4 and drives the second distraction plate 4 far from the first distraction plate 3.
In the process, measuring device can measure the distance between second distraction plate 4 and the first distraction plate 3 size, and thus reach
To the purpose for measuring gap size between femur and shin bone.When the second distraction plate 4 move to relative to the first distraction plate 3 it is specified
After distance, because being provided with chocking construction, rack moves the second distraction plate after will not occurring, thus the second distraction plate 4 and first supports
Plate 3 is opened to be fixed on a specific range, at this point, the gap between femur and shin bone is softened and is fixed to particular value, doctor
Life can let go, and free hand to continue to do other work.Doctor is by observing the rotation section 42 of the second distraction plate 4 relative to first
The inclined degree of distraction plate 3 can also carry out soft tissue balance evaluation.
In conclusion the clearance checking scale of the present invention can simplify operating procedure, three kinds of work(are realized in the same step
Can, that is, it realizes and stretches or the strutting of buckling gap, soft tissue evaluation and gap size measure.Further, since gear 5 and rack 6
Meshing relation and pivot structure 52 and pin 43 between meshing relation, when second handle 2 rotates, second distraction plate
The distance of 4 movements is very small, and the position of the second distraction plate 4 can be finely adjusted by being equivalent to, it is thus possible to more really
The position of fixed second distraction plate 4, and doctor is also more laborsaving when in use, it is only necessary to the strength of very little can reach and strut gap
Purpose, improve the convenience and comfort in surgical.The clearance checking scale of the present invention is by selecting suitable shaft
The spacing of texture grooves, can be in the case where second handle 2 rotates equal angular, in a certain range to the second distraction plate 4
Mobile range is finely adjusted, and is further matched the individual service condition of doctor, is improved the comfort of doctor.This clearance checking scale
Gap width can be continuously adjusted between the minimum and maximum, compared with the clearance measurement block of fixed thickness, operation it is cleverer
It is living, and reduce the quantity of surgical instrument.
It is particularly shown and described exemplary embodiments of the present invention above.It should be understood that the present invention is not limited to institute
Disclosed embodiment, on the contrary, it is intended to cover comprising various modifications in the spirit and scope of the appended claims
And equivalent arrangements.
Claims (10)
1. a kind of clearance checking scale, which is characterized in that including：
First handle；
Second handle is articulated in the first handle；
First distraction plate is connected to the first handle；
Second distraction plate is slidably connected to the first handle, can be slided up and down relative to first distraction plate, described second
Be additionally provided with a pin and measuring device on distraction plate, the measuring device for measure the first distraction plate and the second distraction plate it
Between gap；
Gear, is rotatably dispose in first distraction plate vertically, and the gear is equipped with pivot structure, the pivot structure it is outer
There are spiral groove, the pin to be engaged with the spiral groove in week；
Rack is slideably positioned in first distraction plate and is meshed with the gear, and the second handle is connected with rack
It is moved with drive rack.
2. clearance checking scale according to claim 1, it is characterised in that：Further include stop device, is set to the tail of rack
End, prevents the rack from sliding rearwardly out.
3. clearance checking scale according to claim 1, it is characterised in that：Second distraction plate includes the cunning close to first handle
Dynamic portion, and it is articulated in the rotation section of the sliding part.
4. clearance checking scale according to claim 1, the first handle includes first handle handle part and first handle
Extension is formed with cavity in the first handle extension, is passed through for the rack, second distraction plate and described first
Handle extensions portions are slidably connected.
5. clearance checking scale according to claim 4, which is characterized in that the first handle, which is equipped with, pushes piece, described
Second handle is connect with the rack by the promotion piece.
6. clearance checking scale according to claim 5, it is characterised in that：It is additionally provided with resetting spring on the first handle,
For the resetting spring between the first handle extension and the promotion piece, the second handle passes through the resetting spring
It resets.
7. clearance checking scale according to claim 2, which is characterized in that the stop device includes that a unlocking board and one stop
It moves spring, the retaining spring and the unlocking board are socketed in the tail portion of the rack successively.
8. clearance checking scale according to claim 1, which is characterized in that the measuring device is to be strutted positioned at described second
Mark cylinder on plate, the mark cylinder are equipped with graduation mark, have the marking part coordinated with the graduation mark on the pivot structure.
9. clearance checking scale according to claim 7, which is characterized in that offer window, the quarter on the mark cylinder
Line is spent to be arranged in window side.
10. gap measuring apparatus according to claim 1, which is characterized in that first distraction plate and second strut
Plate is equipped with the through hole for insertion force line bar of consistency from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710084213.0A CN108433822B (en) | 2017-02-16 | 2017-02-16 | Gap measurer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710084213.0A CN108433822B (en) | 2017-02-16 | 2017-02-16 | Gap measurer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108433822A true CN108433822A (en) | 2018-08-24 |
| CN108433822B CN108433822B (en) | 2024-05-07 |
Family
ID=63190625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710084213.0A Active CN108433822B (en) | 2017-02-16 | 2017-02-16 | Gap measurer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108433822B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2485842Y (en) * | 2001-06-13 | 2002-04-10 | 武进市新苑电力配件厂 | Drawer push interlock for cabinet |
| CN201298694Y (en) * | 2008-11-24 | 2009-08-26 | 重庆市电力公司沙坪坝供电局 | Pin remover for anti-pollution insulator |
| CN104939881A (en) * | 2014-03-26 | 2015-09-30 | 瑞奇外科器械(中国)有限公司 | Driving device for surgical operating instrument and surgical operating instrument |
| CN204797805U (en) * | 2015-07-06 | 2015-11-25 | 微创骨科医疗科技（苏州）有限公司 | Balanced measuring device of knee joint soft tissue |
| CN207236855U (en) * | 2017-02-16 | 2018-04-17 | 北京纳通医学科技研究院有限公司 | Clearance checking scale |
-
2017
- 2017-02-16 CN CN201710084213.0A patent/CN108433822B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2485842Y (en) * | 2001-06-13 | 2002-04-10 | 武进市新苑电力配件厂 | Drawer push interlock for cabinet |
| CN201298694Y (en) * | 2008-11-24 | 2009-08-26 | 重庆市电力公司沙坪坝供电局 | Pin remover for anti-pollution insulator |
| CN104939881A (en) * | 2014-03-26 | 2015-09-30 | 瑞奇外科器械(中国)有限公司 | Driving device for surgical operating instrument and surgical operating instrument |
| CN204797805U (en) * | 2015-07-06 | 2015-11-25 | 微创骨科医疗科技（苏州）有限公司 | Balanced measuring device of knee joint soft tissue |
| CN207236855U (en) * | 2017-02-16 | 2018-04-17 | 北京纳通医学科技研究院有限公司 | Clearance checking scale |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108433822B (en) | 2024-05-07 |
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Address after: G356, 3rd floor, building 1, yard 9, CHENGWAN street, Haidian District, Beijing 100094 Applicant after: Beijing natong Medical Technology Holding Co.,Ltd. Applicant after: BEIJING NATON TECHNOLOGY GROUP Co.,Ltd. Address before: 100095 3, 2 floor, 2 building, 103 Beiqing Road, Haidian District, Beijing. Applicant before: BEIJING NATON INSTITUTE OF MEDICAL TECHNOLOGY Co.,Ltd. Applicant before: BEIJING NATON TECHNOLOGY GROUP Co.,Ltd. |
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Effective date of registration: 20210323 Address after: G356, 3rd floor, building 1, yard 9, CHENGWAN street, Haidian District, Beijing 100094 Applicant after: Beijing natong Medical Technology Holding Co.,Ltd. Address before: G356, 3rd floor, building 1, yard 9, CHENGWAN street, Haidian District, Beijing 100094 Applicant before: Beijing natong Medical Technology Holding Co.,Ltd. Applicant before: BEIJING NATON TECHNOLOGY GROUP Co.,Ltd. |
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