CN107334476A - A kind of distance-measuring device - Google Patents
A kind of distance-measuring device Download PDFInfo
- Publication number
- CN107334476A CN107334476A CN201710500210.0A CN201710500210A CN107334476A CN 107334476 A CN107334476 A CN 107334476A CN 201710500210 A CN201710500210 A CN 201710500210A CN 107334476 A CN107334476 A CN 107334476A
- Authority
- CN
- China
- Prior art keywords
- chute
- distance
- hoistable platform
- measuring device
- scale
- 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.)
- Withdrawn
Links
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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4657—Measuring instruments used for implanting artificial joints
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4657—Measuring instruments used for implanting artificial joints
- A61F2002/4658—Measuring instruments used for implanting artificial joints for measuring dimensions, e.g. length
Abstract
The invention discloses a kind of distance-measuring device, including rear sight base, side has installing space；Hoistable platform, chute being opened up along its length, opening up the guide groove of yi word pattern in a side wall of chute, gear grooved is offered on two end faces on hoistable platform length direction；Scale, it is arranged in chute, the optional position that can be moved to along chute in chute；Transmission mechanism, including adjustment disk, axle, bearing and gear, bearing are arranged on rear sight base, are fixedly connected through bearing one end with gear, the other end is fixedly connected with adjustment disk；Hoistable platform can move back and forth under the drive of transmission mechanism, the advantage of the invention is that scale can arbitrarily slide in chute, after the position for needing measurement point is slided into, scale is fixed on hoistable platform by fastener, then adjustment disk is rotated to move up and down hoistable platform, until two scales are respectively held against femur and shin bone, the distance between any two corresponding points can be measured.
Description
Technical field
The present invention relates to technical field of medical instruments, and in particular to a kind of distance-measuring device.
Background technology
Artificial full knee joint transposing operation turns into the conventional operation for clinically solving serious pathologic changes of knee joint, is mainly used in
Serious gonalgia, shakiness, deformity, ADL critical constraints are invalid or effect does not show author through expectant treatment.
Often to ensure that the distance between femur and shin bone correspondence position are equal or the value of difference allows in operation in knee surgery
Within the scope of, clinically carry out command range often through the range estimation of operating doctor, this precision for having resulted in operation cannot protect
Card.
The technical problem is not solved, Chinese patent literature CN106667589A discloses a kind of knee joint distance measurement dress
Put, the device includes support base and is located at four measuring scales of the upper and lower part at support base both ends respectively, and four measuring scales are equal
Vertically with support base upper and lower part surface, support base is interior to be provided with chute, and measuring scale is slidably located in chute, in support base
Gear shaft is additionally provided with, gear shaft passes through the bearing being arranged in support base side wall to be connected with driver plate, and measuring scale is provided with rack,
With the ratcheting connection of gear shaft.
But the measurement apparatus of said structure, which is the measuring scale relied on support base four direction, completes measurement,
And measuring scale is fixed on four angles of support base, this, which allows for the measurement apparatus, can only measure femur and lateral of tibia
The distance between both ends corresponding points, the distance between remaining each corresponding points between femur and shin bone can not be measured.
The content of the invention
Therefore, the technical problem to be solved in the present invention is that existing measurement apparatus can not be between femur and shin bone any two
The problem of the distance between corresponding points measure.
Therefore, the present invention provides a kind of distance-measuring device, including,
Rear sight base, the side of the rear sight base have installing space；
Hoistable platform, the hoistable platform open up chute, one are opened up in a side wall of the chute along its length
The guide groove of font, gear grooved is offered on two end faces on the hoistable platform length direction；
Scale, it is arranged in the chute, the optional position that can be moved to along the chute in the chute；
Transmission mechanism, including adjustment disk, axle, bearing and gear, the bearing are arranged on rear sight base, and the axle passes through institute
Bearing is stated, one end of the axle is fixedly connected with the gear, and the other end is fixedly connected with the adjustment disk；
The hoistable platform can move back and forth under the drive of the transmission mechanism.
Preferably, above-mentioned a kind of distance-measuring device, described scale one end form a sliding block.
Preferably, above-mentioned a kind of distance-measuring device, a through hole is opened up on the sliding block.
Preferably, above-mentioned a kind of distance-measuring device, possesses a fastener, passes through the fastener of the guide groove
Enter in the through hole, the scale is removably attached in the chute.
Preferably, above-mentioned a kind of distance-measuring device, the bearing are damping bearing.
Preferably, above-mentioned a kind of distance-measuring device, symmetrically it is provided with described in four on four angles of the rear sight base
Bearing, four sets of transmission mechanisms are provided with by four bearings.
Preferably, above-mentioned a kind of distance-measuring device, the gear of two sets of transmission mechanisms and the lifting are flat
Platform engagement connection, one shares two hoistable platforms.
Preferably, above-mentioned a kind of distance-measuring device, the rear sight base set the both sides installing space of the bearing
Wall is provided with scale.
It is further preferred that a kind of above-mentioned distance-measuring device, the hoistable platform, which is provided with, determines that scale is specifically read
Several location divisions.
Technical solution of the present invention, have the following advantages that：
The present invention provides a kind of distance-measuring device, opens up chute in hoistable platform and a guiding is opened up in a side wall
Groove, scale can arbitrarily slide in chute, after the position for needing measurement point is slided into, pass through the fastener through guide groove
Scale is fixed on hoistable platform, the gear engagement in the gear grooved and two sets of transmission mechanism on two end faces of hoistable platform
Connection, rotate and drive whole hoistable platform to move up and down by the rotation of gear with the adjustment disk can of gear and axis connection,
So as to drive scale to move up and down, until scale props up bone face.
Two hoistable platforms, two hoistable platform self-movements, by two scales are set respectively in the top and the bottom of rear sight base
Fixed after being moved to target location, then rotate adjustment disk and move up and down hoistable platform, until two scales are respectively held against
Femur and shin bone, the reading of rear sight base high scale is now read by the location division on hoistable platform, two values are added just
It is surveyed distance value.
Brief description of the drawings
Fig. 1 is a kind of front view for distance-measuring device that the embodiment of the present invention 1 provides；
Description of reference numerals：
1- rear sight bases；
2- hoistable platforms；
3- scales；
41- adjustment disks；42- gears；43- axles；
5- fasteners.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that instruction or hint relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
As long as in addition, technical characteristic involved in invention described below different embodiments non-structure each other
It is be combined with each other into conflict can.
Embodiment 1
The present embodiment provides a kind of distance-measuring device, as shown in figure 1,
The side of rear sight base 1 has installing space, for installing hoistable platform 2 and transmission mechanism 4,
Hoistable platform 2 opens up chute along its length, and the guide groove 21 of yi word pattern is opened up in a side wall of chute, rises
Gear grooved is offered on two end faces on the drop length direction of platform 2；
Scale 3, the optional position that can be moved to along chute in chute, scale 3 one are provided with the chute of hoistable platform 2
End forms a sliding block, and a through hole is opened up on sliding block, and the through hole is preferably screw hole, and fastener 5 is through guide groove 21 mark
Chi 3 is removably attached in chute, and the fixture 5 is preferably screw, is additionally provided with hoistable platform 2 and determines the specific reading of scale
Location division.
Transmission mechanism 4 is additionally provided with installing space, including adjustment disk 41, axle 43, bearing and gear 42, bearing are arranged on mark
On rod support 1, and axle 43 is fixedly connected through bearing one end with gear 42, and the other end is fixedly connected with adjustment disk 41, and bearing is resistance
Buddhist nun's bearing so that rotate adjustment disk 41 hoistable platform 2 is moved to behind a certain position can will not be because of gravity or other light
Micro- external force and shift, influence measuring accuracy.
Four bearings are symmetrically provided with four angles of rear sight base 1, rear sight base 1 sets the both sides installing space of bearing
Wall be provided with scale.Four sets of transmission mechanisms 4 are provided with by four bearings.And the gear of two sets of transmission mechanism 4
42 engage connection with the both ends gear grooved of hoistable platform 2, and two hoistable platforms 2 are provided with altogether in installing space.
Two self-movements of hoistable platform 2, after scale 3 slides into the position for needing measurement point, by through guide groove
Fastener 5 scale 3 is fixed on hoistable platform 2, gear grooved and two sets of transmission mechanism on two end faces of hoistable platform 2
The engagement connection of gear 42 in 4, rotates and is driven with the can of adjustment disk 41 of gear 42 and axis connection by the rotation of gear 42
Whole hoistable platform 2 moves up and down, so as to drive scale 3 to move up and down, until two scales 3 are respectively held against femur and shin bone,
The reading of the high scale of rear sight base 1 is now read by location division on hoistable platform 2, two values are added be exactly surveyed away from
From value.
Obviously, above-described embodiment is only intended to clearly illustrate example, and is not the restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (9)
- A kind of 1. distance-measuring device, it is characterised in that including：Rear sight base (1), the side of the rear sight base (1) have installing space；Hoistable platform (2), the hoistable platform (2) open up chute, opened up in a side wall of the chute along its length The guide groove (21) of yi word pattern, gear grooved is offered on two end faces on hoistable platform (2) length direction；Scale (3), is arranged in the chute, the optional position that can be moved to along the chute in the chute；Transmission mechanism (4), including adjustment disk (41), axle (43), bearing and gear (42), the bearing are arranged on rear sight base (1) On, the axle (43) passes through the bearing, and one end of the axle (43) is fixedly connected with the gear (42), the other end with it is described Adjustment disk (41) is fixedly connected；The hoistable platform (2) can move back and forth under the drive of the transmission mechanism (4).
- 2. a kind of distance-measuring device according to claim 1, it is characterised in that described scale (3) one end forms one Individual sliding block.
- 3. a kind of distance-measuring device according to claim 2 a, it is characterised in that through hole is opened up on the sliding block.
- 4. according to a kind of distance-measuring device described in claim any one of 1-3, it is characterised in that possess a fastener (5), Entered by the fastener (5) of the guide groove (21) in the through hole, the scale (3) is removably attached to In the chute.
- 5. according to a kind of distance-measuring device described in claim any one of 1-3, it is characterised in that the bearing is damping shaft Hold.
- 6. according to a kind of distance-measuring device described in claim any one of 1-3, it is characterised in that the four of the rear sight base (1) Four bearings are symmetrically provided with individual angle, four sets of transmission mechanisms (4) are provided with by four bearings.
- 7. according to a kind of distance-measuring device described in claim any one of 1-3, it is characterised in that two sets of transmission mechanisms (4) the gear (42) engages connection with the hoistable platform (2), and one shares two hoistable platforms (2).
- 8. according to a kind of distance-measuring device described in claim any one of 1-3, it is characterised in that the rear sight base (1) sets The wall for putting the both sides installing space of the bearing is provided with scale.
- 9. a kind of distance-measuring device according to claim 8, it is characterised in that the hoistable platform (2) is provided with true Determine the location division of the specific reading of scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710500210.0A CN107334476A (en) | 2017-06-27 | 2017-06-27 | A kind of distance-measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710500210.0A CN107334476A (en) | 2017-06-27 | 2017-06-27 | A kind of distance-measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107334476A true CN107334476A (en) | 2017-11-10 |
Family
ID=60220135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710500210.0A Withdrawn CN107334476A (en) | 2017-06-27 | 2017-06-27 | A kind of distance-measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107334476A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109009582A (en) * | 2018-08-29 | 2018-12-18 | 中山市中医院 | Knee prosthesis measuring device and measuring system |
| CN112294290A (en) * | 2020-06-30 | 2021-02-02 | 四川大学华西第四医院 | Intraoral tissue length measuring tool |
| CN112798394A (en) * | 2020-12-29 | 2021-05-14 | 中国农业大学 | UV-B irradiation device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1132067A (en) * | 1995-01-06 | 1996-10-02 | 小罗伯特·E·布思 | Instrumentation for use in orthopaedic surgery |
| US20040122441A1 (en) * | 2002-12-09 | 2004-06-24 | Zimmer Kabushiki Kaisha | Measuring apparatus for total knee replacement operation |
| US20070239166A1 (en) * | 2004-05-11 | 2007-10-11 | Mcguire David A | Surgical Device for Anterolateral and Posterolateral Reconstruction |
| CN101125085A (en) * | 2007-09-21 | 2008-02-20 | 绍兴市人民医院 | Lower limbs isometric measuring device used for all-hip joint displacement operation |
| AU2009202601A1 (en) * | 2008-06-27 | 2010-01-14 | Depuy Products, Inc. | Knee ligament balancer |
| CN106667589A (en) * | 2017-01-06 | 2017-05-17 | 重庆市渝北区中医院 | Knee joint distance measurement device |
-
2017
- 2017-06-27 CN CN201710500210.0A patent/CN107334476A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1132067A (en) * | 1995-01-06 | 1996-10-02 | 小罗伯特·E·布思 | Instrumentation for use in orthopaedic surgery |
| US20040122441A1 (en) * | 2002-12-09 | 2004-06-24 | Zimmer Kabushiki Kaisha | Measuring apparatus for total knee replacement operation |
| US20070239166A1 (en) * | 2004-05-11 | 2007-10-11 | Mcguire David A | Surgical Device for Anterolateral and Posterolateral Reconstruction |
| CN101125085A (en) * | 2007-09-21 | 2008-02-20 | 绍兴市人民医院 | Lower limbs isometric measuring device used for all-hip joint displacement operation |
| AU2009202601A1 (en) * | 2008-06-27 | 2010-01-14 | Depuy Products, Inc. | Knee ligament balancer |
| CN106667589A (en) * | 2017-01-06 | 2017-05-17 | 重庆市渝北区中医院 | Knee joint distance measurement device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109009582A (en) * | 2018-08-29 | 2018-12-18 | 中山市中医院 | Knee prosthesis measuring device and measuring system |
| CN112294290A (en) * | 2020-06-30 | 2021-02-02 | 四川大学华西第四医院 | Intraoral tissue length measuring tool |
| CN112294290B (en) * | 2020-06-30 | 2022-07-26 | 四川大学华西第四医院 | Intraoral tissue length measuring tool |
| CN112798394A (en) * | 2020-12-29 | 2021-05-14 | 中国农业大学 | UV-B irradiation device |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171110 |
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| WW01 | Invention patent application withdrawn after publication |