CN106063705A - Condyle of femur AP measuring device - Google Patents
Condyle of femur AP measuring device Download PDFInfo
- Publication number
- CN106063705A CN106063705A CN201610612168.7A CN201610612168A CN106063705A CN 106063705 A CN106063705 A CN 106063705A CN 201610612168 A CN201610612168 A CN 201610612168A CN 106063705 A CN106063705 A CN 106063705A
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- China
- Prior art keywords
- eccentric
- pedestal
- femur
- condyle
- drive shaft
- 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.)
- Pending
Links
- 210000000689 upper leg Anatomy 0.000 title claims abstract description 33
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 62
- 230000003321 amplification Effects 0.000 abstract description 2
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 2
- 230000008447 perception Effects 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 5
- 238000003754 machining Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 210000000629 knee joint Anatomy 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 231100000915 pathological change Toxicity 0.000 description 1
- 230000036285 pathological change Effects 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
- A61B5/1072—Measuring physical dimensions, e.g. size of the entire body or parts thereof measuring distances on the body, e.g. measuring length, height or thickness
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The present invention relates to a kind of condyle of femur AP measuring device, including measuring piece main body and wobble component, wobble component includes adjusting pedestal, drive shaft, eccentric and rotating shaft, adjust pedestal hinged by rotating shaft with measuring piece main body, adjust and offer cam path or cam hole on pedestal, eccentric rotates in described cam path or cam hole, and drive shaft is the eccentric shaft of eccentric, and drive shaft drives and adjusts pedestal around the shaft relative to the swing of measuring piece main body.The condyle of femur AP measuring device of the present invention, adjustment pedestal is driven to swing around the shaft with the rotation of eccentric, adjust the amplitude of the amplitude not drive shaft turns that pedestal swings, the angle that can arrange eccentric rotation is relatively big, and the rotation of eccentric is stirred adjustment pedestal and swung around the shaft, and the angle relative eccentric adjusting pedestal rotation is taken turns little, be equivalent to adjust the amplitude amplification that pedestal swings, what operator stirred is off the eccentric shaft of wheel, it is possible to having a good human perception degree, the precision of swing is higher.
Description
Technical field
The present invention relates to a kind of condyle of femur AP measuring device.
Background technology
When the knee joint generation pathological changes of human body, it is sometimes desirable to prosthese is installed at knee joint.Now must measure femur
The size in footpath before and after condyle, with the prosthese that adapts with it of selection, and needs to determine according to lesion degree and cuts condyle of femur
Cut processing dimension.Owing to the size of selected prosthese is the most accurate, the success or failure of operation can be directly affected.If selected for size not
Suitably parts, or produce bigger error during machining, then its soft tissue the tightliest or the most loose may cause making of prosthese
Use poor performance.Therefore, before condyle of femur is carried out machining, the size of condyle of femur need to be recorded by measurement apparatus, and determine
Machining size.
Owing to the condyle of femur difference of human body is the trickleest, although existing measurement apparatus can record above-mentioned data, but survey
Amount result is the most not accurate enough.
Summary of the invention
The technical problem to be solved in the present invention is: in order to improve the certainty of measurement of condyle of femur measuring device, the present invention provides one
Plant condyle of femur AP measuring device.
The technical solution adopted for the present invention to solve the technical problems is: a kind of condyle of femur AP measuring device, including measuring piece
Main body and wobble component, described wobble component includes adjusting pedestal, drive shaft, eccentric and rotating shaft, described adjustment pedestal and survey
Amount part main body is hinged by rotating shaft, and described adjustment pedestal offers cam path or cam hole, and described eccentric is at described cam
Rotating in groove or cam hole, described drive shaft is the eccentric shaft of eccentric, and described drive shaft drives described adjustment pedestal around described
Rotating shaft swings relative to described measuring piece main body.
The outline of the spacing H ＞ eccentric between central axis and the central axis of rotating shaft of drive shaft is to its eccentric shaft
Ultimate range h.
Described adjustment pedestal is provided with at least two mounting groove, is provided with spring and ball, described spring in described mounting groove
One end is against the bottom land of mounting groove, and the spring other end is against ball；The table that described measuring piece main body is relative with described adjustment pedestal
Offering at least two row locating slot groups on face, the line number of described locating slot group is identical with the number of mounting groove, often row locating slot group
In there is at least two locating slot, the locating slot in adjacent rows locating slot group is crisscross arranged；Often corresponding of row locating slot group
Mounting groove, in described adjustment pedestal hunting range, the ball in described mounting groove and the locating slot phase in described locating slot group
Coordinate.Mounting groove arranges at least two, and locating slot is divided at least two row, and the locating slot of adjacent rows is crisscross arranged again so that
The gear of stirring adjusting pedestal is not limited by ball size, it is possible to arranges less gear interval, improves Adjustment precision.
Described adjustment pedestal is provided with upper and lower two mounting grooves, the table that described measuring piece main body is relative with described adjustment pedestal
Offering upper and lower two row locating slot groups on face, the locating slot in two row locating slot groups is crisscross arranged.
Being fixed with pointer on described adjustment pedestal, described pointer coaxially swings with drive shaft.Pointer may indicate that accordingly
Scale, in order to observe and measure.
Described cam path or the Internal periphery of cam hole, and the outline of described eccentric, the two profile is at described tune
Cross section on integral basis seat swinging plane, symmetrical both with respect to the central axis of drive shaft and the line m of the central axis of rotating shaft.This
Sample, the swing path adjusting pedestal is symmetrical, it is simple to arrange graduation mark.
The Internal periphery of described cam path or cam hole has two sections of straight section n being symmetrically set, and described straight section n two ends are
Arc section, the outline of described eccentric is circular.Wherein, straight section n coordinates with the outline of eccentric, it is achieved promotes and adjusts base
The action that seat rotates, arc section can accommodate eccentric in making cam path or cam hole.
Described drive shaft is fixed with eccentric by axle steady pin.
For the ease of manual toggle drive shaft turns, described driveshaft end is provided with angle adjustment knob, and described angle is adjusted
Whole knob is fixed with drive shaft by knob steady pin.
The invention has the beneficial effects as follows, the condyle of femur AP measuring device of the present invention, drive with the rotation of eccentric and adjust pedestal
Swing around the shaft, adjust the amplitude of the amplitude not drive shaft turns that pedestal swings, the angle of eccentric rotation can be set relatively
Greatly, the rotation of eccentric stir adjustment pedestal swing around the shaft, adjust pedestal rotate angle relative eccentric wheel little, be equivalent to by
Adjusting the amplitude amplification that pedestal swings, what operator stirred is off the eccentric shaft of wheel, it is possible to have good people's body-sensing
Degree of knowing, the precision of swing is higher.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the condyle of femur AP measuring device optimum embodiment of the present invention.
Fig. 2 is the A-A generalized section of Fig. 1.
Fig. 3 is the partial cutaway schematic in Fig. 1 at B.
Fig. 4 is the structural representation of the measuring piece main body in the condyle of femur AP measuring device of the present invention.
Fig. 5 is the structural representation adjusting pedestal in the condyle of femur AP measuring device of the present invention.
Fig. 6 is the perspective view of the condyle of femur AP measuring device optimum embodiment of the present invention.
Fig. 7 is the use view during condyle of femur AP measuring device measurement of the present invention.
In figure 1, measuring piece main body, 2, adjust pedestal, 3, drive shaft, 4, eccentric, 5, rotating shaft, 6, cam path or cam
Hole, 7, mounting groove, 8, spring, 9, ball, 10, locating slot group, 10-1, locating slot, 11, pointer, 12, axle steady pin, 13, angle
Adjust knob, 14, knob steady pin, 15, front with reference to push rod, 16, reference gauge, 17, slot, 18, measure plate, A, femur preartis,
P, femoral-posterior condyles, m, line, n, straight section.
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only with
The basic structure of the illustration explanation present invention, therefore it only shows the composition relevant with the present invention.
As shown in figures 1 to 6, a kind of condyle of femur AP measuring device of the present invention, including measuring piece main body 1 and wobble component, described
Wobble component includes adjusting pedestal 2, drive shaft 3, eccentric 4 and rotating shaft 5, and described adjustment pedestal 2 and measuring piece main body 1 are by turning
Axle 5 is hinged, and described adjustment pedestal 2 offers cam path or cam hole 6, and described eccentric 4 is at described cam path or cam hole 6
Interior rotation, described drive shaft 3 is the eccentric shaft of eccentric 4, and described drive shaft 3 drives described adjustment pedestal 2 around described rotating shaft 5 phase
Described measuring piece main body 1 is swung.Spacing H ＞ eccentric between central axis and the central axis of rotating shaft 5 of drive shaft 3
The outline of 4 is to ultimate range h of its eccentric shaft.
Described cam path or the Internal periphery of cam hole 6, and the outline of described eccentric 4, the two profile is described
Adjust the cross section on pedestal 2 swinging plane, both with respect to line m pair of central axis and the central axis of rotating shaft 5 of drive shaft 3
Claim.The Internal periphery of described cam path or cam hole 6 has two sections of straight section n being symmetrically set, and described straight section n two ends are circular arc
Section, the outline of described eccentric 4 is circular.
Being fixed with pointer 11 on described adjustment pedestal 2, described pointer 11 coaxially swings with drive shaft 3.Described drive shaft 3 is led to
Cross axle steady pin 12 to fix with eccentric 4.Described drive shaft 3 end is provided with angle adjustment knob 13, described angle adjustment knob
13 are fixed with drive shaft 3 by knob steady pin 14.
Described adjustment pedestal 2 is provided with upper and lower two mounting grooves 7, is provided with spring 8 and ball 9 in described mounting groove 7, described
Spring 8 one end is against the bottom land of mounting groove 7, and spring 8 other end is against ball 9；Described measuring piece main body 1 and described adjustment pedestal
Upper and lower two row locating slot groups 10, the line number of described locating slot group 10 and the number phase of mounting groove 7 is offered on 2 relative surfaces
With, row locating slot group 10 often has at least two locating slot 10-1, the locating slot 10-1 in two row locating slot groups 10 are staggered to be set
Put.In the present embodiment, a line locating slot group 10 has two locating slot 10-1, and another row locating slot group 10 has three locating slots
10-1.The often corresponding mounting groove 7 of row locating slot group 10, in described adjustment pedestal 2 hunting range, in described mounting groove 7
Ball 9 matches with the locating slot 10-1 in described locating slot group 10.
The operation principle of the present invention is as follows:
Manual toggle angle adjustment knob 13, thus drive described drive shaft 3 to rotate, drive shaft 3 rotational band movable eccentric wheel 4
Rotating, eccentric 4 is in cam path or cam hole 6.Owing to the outline of eccentric 4 is ascending to the distance of its eccentric shaft
Change, when eccentric 4 outline to its eccentric shaft distance change big time, eccentric 4 promotes cam path or cam hole 6 place
Adjustment pedestal 2 around the shaft 5 rotate.Adjust the amplitude of pedestal 2 swing by the outline of eccentric 4 and cam path or cam hole 6
Internal periphery matching relationship determine.
Owing to the outline of the spacing H ＞ eccentric 4 between central axis and the central axis of rotating shaft 5 of drive shaft 3 arrives
Ultimate range h of its eccentric shaft.The angle that eccentric 4 rotates is relatively big, and adjustment pedestal 25 pendulum around the shaft is stirred in the rotation of eccentric 4
Dynamic, adjust the angle relative eccentric that pedestal 2 rotates and take turns 4 little, be equivalent to adjust the amplitude that pedestal 2 swings and amplify, operator
That stirs is off taking turns the eccentric shaft of 4, it is possible to having a good human perception degree, the precision of swing is higher.
During use, as it is shown in fig. 7, before one installed above of the measuring piece main body 1 of the condyle of femur AP measuring device of the present invention
With reference to push rod 15, front one end with reference to push rod 15 is inserted in measuring piece main body 1, and the front other end with reference to push rod 15 is for against stock
Bone preartis A.Having a reference gauge 16 below condyle of femur AP measuring device, this reference gauge 16 is against femoral-posterior condyles B.Reference gauge 16 is fixing
Motionless, front reference push rod 15 can rotate with relative measurement part main body 1, and the front extension elongation with reference to push rod 15 can regulate.
Driving described drive shaft 3, drive shaft 3 drives described adjustment pedestal 2 to swing relative to described measuring piece main body 1 around described rotating shaft 5.
Owing to reference gauge 16 maintains static, therefore, it is true that when measuring, swing occurs is measuring piece main body 1, thus measuring piece is driven
Front reference push rod 15 in main body 1 swings, with reference to the rest position of push rod 15 with femur preartis A before regulation, so that it is determined that accordingly
Size.
The side opening of measuring piece main body 1 is provided with slot 17, can be by being inserted into measuring plate 18 at slot 17 so that seeing
Examine front with reference to push rod 15 against position and front with reference to push rod 15 against rear location.
With the above-mentioned desirable embodiment according to the present invention for enlightenment, by above-mentioned description, relevant staff is complete
Entirely can carry out various change and amendment in the range of without departing from this invention technological thought.The technology of this invention
The content that property scope is not limited in description, it is necessary to determine its technical scope according to right.
Claims (9)
1. a condyle of femur AP measuring device, it is characterised in that: include measuring piece main body (1) and wobble component, described wobble component
Including adjusting pedestal (2), drive shaft (3), eccentric (4) and rotating shaft (5), described adjustment pedestal (2) is led to measuring piece main body (1)
Crossing rotating shaft (5) hinged, described adjustment pedestal (2) offers cam path or cam hole (6), described eccentric (4) is described convex
Rotating in race or cam hole (6), described drive shaft (3) is the eccentric shaft of eccentric (4), and described drive shaft (3) drives described
Adjust pedestal (2) to swing relative to described measuring piece main body (1) around described rotating shaft (5).
2. condyle of femur AP measuring device as claimed in claim 1, it is characterised in that: the central axis of drive shaft (3) and rotating shaft (5)
Central axis between the outline of spacing H ＞ eccentric (4) to ultimate range h of its eccentric shaft.
3. condyle of femur AP measuring device as claimed in claim 1, it is characterised in that: described adjustment pedestal (2) is provided with at least two
Individual mounting groove (7), is provided with spring (8) and ball (9) in described mounting groove (7), described spring (8) one end is against mounting groove (7)
Bottom land, spring (8) other end is against ball (9)；
At least two row locating slot group (10) are offered on the surface that described measuring piece main body (1) is relative with described adjustment pedestal (2),
The line number of described locating slot group (10) is identical with the number of mounting groove (7), often has at least two in row locating slot group (10) fixed
Position groove (10-1), the locating slot (10-1) in adjacent rows locating slot group (10) is crisscross arranged；
The often corresponding mounting groove (7) of row locating slot group (10), in described adjustment pedestal (2) hunting range, described mounting groove
(7) ball (9) in matches with the locating slot (10-1) in described locating slot group (10).
4. condyle of femur AP measuring device as claimed in claim 3, it is characterised in that: described adjustment pedestal (2) is provided with upper and lower two
Individual mounting groove (7), the surface that described measuring piece main body (1) is relative with described adjustment pedestal (2) offers upper and lower two row location
Groove group (10), the locating slot (10-1) in two row locating slot group (10) is crisscross arranged.
5. condyle of femur AP measuring device as claimed in claim 1, it is characterised in that: it is fixed with pointer on described adjustment pedestal (2)
(11), described pointer (11) coaxially swings with drive shaft (3).
6. condyle of femur AP measuring device as claimed in claim 1, it is characterised in that: described cam path or the interior wheel of cam hole (6)
Exterior feature, and the outline of described eccentric (4), the two profile cross section on described adjustment pedestal (2) swinging plane, homogeneously
Symmetrical for the central axis of drive shaft (3) and the line m of the central axis of rotating shaft (5).
7. condyle of femur AP measuring device as claimed in claim 6, it is characterised in that: described cam path or the interior wheel of cam hole (6)
Exterior feature has two sections of straight section n being symmetrically set, and described straight section n two ends are arc section, and the outline of described eccentric (4) is circle
Shape.
8. condyle of femur AP measuring device as claimed in claim 1, it is characterised in that: described drive shaft (3) passes through axle steady pin
(12) fix with eccentric (4).
9. condyle of femur AP measuring device as claimed in claim 1, it is characterised in that: described drive shaft (3) end is provided with angle and adjusts
Whole knob (13), described angle adjustment knob (13) is fixed with drive shaft (3) by knob steady pin (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610612168.7A CN106063705A (en) | 2016-07-28 | 2016-07-28 | Condyle of femur AP measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610612168.7A CN106063705A (en) | 2016-07-28 | 2016-07-28 | Condyle of femur AP measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106063705A true CN106063705A (en) | 2016-11-02 |
Family
ID=57207206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610612168.7A Pending CN106063705A (en) | 2016-07-28 | 2016-07-28 | Condyle of femur AP measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106063705A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6106529A (en) * | 1998-12-18 | 2000-08-22 | Johnson & Johnson Professional, Inc. | Epicondylar axis referencing drill guide |
| US6458135B1 (en) * | 2001-02-02 | 2002-10-01 | Howmedica Osteonics Corp. | Femoral guide for implanting a femoral knee prosthesis and method |
| US20030069585A1 (en) * | 2001-10-10 | 2003-04-10 | Axelson Stuart L. | Methods and tools for femoral resection in knee surgery |
| US20040220583A1 (en) * | 2003-02-04 | 2004-11-04 | Zimmer Technology, Inc. | Instrumentation for total knee arthroplasty, and methods of performing same |
| US20060089641A1 (en) * | 2004-10-22 | 2006-04-27 | Howmedica Osteonics Corp. | Universal coupler |
| US7261719B1 (en) * | 2003-11-04 | 2007-08-28 | Biomet Manufacturing Corp. | Femoral sizing apparatus and method |
| JP2009006066A (en) * | 2007-06-29 | 2009-01-15 | Japan Medical Materials Corp | Guide instrument for orthopedic surgery on bone part |
| CN201701336U (en) * | 2010-05-18 | 2011-01-12 | 创生医疗器械(江苏)有限公司 | condyle measuring device |
| CN103002817A (en) * | 2010-05-11 | 2013-03-27 | 德普伊(爱尔兰)有限公司 | A femoral sizing guide |
| CN204106133U (en) * | 2014-10-08 | 2015-01-21 | 联合骨科器材股份有限公司 | Distal femoral resection is advised |
| CN206434332U (en) * | 2016-07-28 | 2017-08-25 | 常州奥斯迈医疗器械有限公司 | Condyle of femur AP measuring appliances |
-
2016
- 2016-07-28 CN CN201610612168.7A patent/CN106063705A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6106529A (en) * | 1998-12-18 | 2000-08-22 | Johnson & Johnson Professional, Inc. | Epicondylar axis referencing drill guide |
| US6458135B1 (en) * | 2001-02-02 | 2002-10-01 | Howmedica Osteonics Corp. | Femoral guide for implanting a femoral knee prosthesis and method |
| US20030069585A1 (en) * | 2001-10-10 | 2003-04-10 | Axelson Stuart L. | Methods and tools for femoral resection in knee surgery |
| US20040220583A1 (en) * | 2003-02-04 | 2004-11-04 | Zimmer Technology, Inc. | Instrumentation for total knee arthroplasty, and methods of performing same |
| US7261719B1 (en) * | 2003-11-04 | 2007-08-28 | Biomet Manufacturing Corp. | Femoral sizing apparatus and method |
| US20060089641A1 (en) * | 2004-10-22 | 2006-04-27 | Howmedica Osteonics Corp. | Universal coupler |
| JP2009006066A (en) * | 2007-06-29 | 2009-01-15 | Japan Medical Materials Corp | Guide instrument for orthopedic surgery on bone part |
| CN103002817A (en) * | 2010-05-11 | 2013-03-27 | 德普伊(爱尔兰)有限公司 | A femoral sizing guide |
| CN201701336U (en) * | 2010-05-18 | 2011-01-12 | 创生医疗器械(江苏)有限公司 | condyle measuring device |
| CN204106133U (en) * | 2014-10-08 | 2015-01-21 | 联合骨科器材股份有限公司 | Distal femoral resection is advised |
| CN206434332U (en) * | 2016-07-28 | 2017-08-25 | 常州奥斯迈医疗器械有限公司 | Condyle of femur AP measuring appliances |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhou Jiahong Inventor after: Zheng Donggui Inventor before: Zhou Jiahong Inventor before: Zheng Donggui |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161102 |