CN220801100U - Multi-point navigation probe positioning device - Google Patents
Multi-point navigation probe positioning device Download PDFInfo
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- CN220801100U CN220801100U CN202322103812.6U CN202322103812U CN220801100U CN 220801100 U CN220801100 U CN 220801100U CN 202322103812 U CN202322103812 U CN 202322103812U CN 220801100 U CN220801100 U CN 220801100U
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- 239000000523 sample Substances 0.000 title claims abstract description 116
- 238000004891 communication Methods 0.000 claims abstract description 5
- 230000000903 blocking effect Effects 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000003550 marker Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract 1
- 230000008602 contraction Effects 0.000 description 10
- 238000001356 surgical procedure Methods 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000000399 orthopedic effect Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model discloses a multi-point navigation probe positioning device, which relates to the technical field of medical appliances and comprises: the probe box is internally provided with a plurality of through holes which are arranged in an array, each through hole is internally provided with a probe part, and the probe parts can do telescopic motion in the vertical direction in the through holes; the calibrator comprises a frame body and a reflective ball arranged on the frame body, wherein the frame body is fixedly connected with the probe box, and the reflective ball is used for establishing a basic coordinate system; the sliding rheostat is arranged on the probe part and is used for converting the telescopic change of the probe part into resistance change; and the locator is respectively connected with the calibrator and the slide rheostat in a communication way and is used for locating the coordinate position of the probe part. The utility model can realize multi-point location of the object to be measured through detection of a plurality of probes, and can obtain the whole outline coordinates of the object to be measured through one-time location, thereby realizing rapid location.
Description
Technical Field
The utility model belongs to the technical field of medical instruments, and particularly relates to a multi-point navigation probe positioning device.
Background
The design thinking of the orthopedic surgery robot is to plan a surgery path by utilizing imaging data before/during surgery of a patient and guide a doctor to complete surgery along the planned surgery path through the guiding function of a mechanical arm, so to speak, one important function of the orthopedic surgery navigation positioning system is navigation and positioning.
In the prior art, the orthopedic operation robot can only perform point positioning on the object to be measured through the probe, if the outline coordinates of the object to be measured are required to be obtained through multiple measurements, the overall measurement speed is low, and the follow-up operation is not facilitated.
Disclosure of utility model
The present utility model is directed to solving at least one of the above-mentioned problems of the prior art and providing a multi-point navigation probe positioning device.
To achieve the above object, a multi-point navigation probe positioning device of the present utility model includes:
The probe box is internally provided with a plurality of through holes which are arranged in an array, each through hole is internally provided with a probe part, and the probe parts can do telescopic motion in the vertical direction in the through holes;
the calibrator comprises a frame body and a reflective ball arranged on the frame body, wherein the frame body is fixedly connected with the probe box, and the reflective ball is used for establishing a basic coordinate system;
a sliding rheostat provided on the probe portion for converting a variation in the stretch of the probe portion into a variation in the resistance;
and the locator is respectively in communication connection with the calibrator and the slide rheostat and is used for locating the coordinate position of the probe part.
Preferably, the probe part comprises an elastic telescopic part and a probe, the elastic telescopic part is fixedly connected with the probe, and the probe moves in a telescopic way under the drive of the elastic telescopic part;
The sliding rheostat is arranged on the elastic telescopic part and converts the telescopic change of the elastic telescopic part into resistance change.
Preferably, the sliding rheostat comprises a first conductive part, a second conductive part and a resistance coil, wherein the first conductive part and the second conductive part are respectively arranged at two ends of the elastic telescopic part, and the resistance coil is arranged between the first conductive part and the second conductive part.
Preferably, the through holes include an upper through hole and a lower through hole, the diameter of the upper through hole being larger than the diameter of the lower through hole;
The elastic telescopic part is positioned in the upper through hole, and the top end of the lower through hole limits the downward movement of the elastic telescopic part;
the probe passes through and exposes the lower through hole.
Preferably, a blocking cover is further arranged on the probe box;
the blocking cover is fixedly connected with the probe box, and the blocking cover limits upward movement of the elastic telescopic part.
Preferably, the calibrator is further provided with a handle, and friction stripes are arranged on the handle.
Preferably, a fixed block is arranged on the probe;
The fixing block is embedded into the elastic telescopic part, and the probe is fixedly connected with the elastic telescopic part through the fixing block.
Preferably, the first conductive portion and the second conductive portion are copper rings.
Preferably, the through holes are uniformly arranged in the probe box.
Preferably, the elastic expansion part comprises a spring.
Based on the above, the utility model has the beneficial effects that:
According to the scheme, the probe box is internally provided with the plurality of through holes, the probe, the elastic telescopic part and the slide rheostat are arranged in the through holes, the probe is fixedly connected with the elastic telescopic part, the probe can move in the through holes in a telescopic mode through the elastic telescopic part, the slide rheostat is arranged on the elastic telescopic part, the telescopic change of the elastic telescopic part can be converted into resistance change, the object to be detected is positioned through the positioning device, the plurality of probes are simultaneously contacted with the uneven surface of the object to be detected, the plurality of elastic telescopic parts are compressed to different degrees, each slide rheostat reflects different resistance changes, the peripheral positioners can calculate coordinates of each probe after telescopic according to the resistance changes, and further the overall outline coordinates of the object to be detected are obtained at one time.
Drawings
FIG. 1 schematically illustrates a structure of a multi-point navigation probe positioning apparatus according to an embodiment of the present utility model;
Fig. 2 is a schematic view schematically showing the structure of a probe, an elastic extension and a slide rheostat according to an embodiment of the present utility model;
FIG. 3 schematically shows a schematic structural view of a calibrator in accordance with an embodiment of the present utility model;
FIG. 4 schematically illustrates a cross-sectional view of a probe cassette according to one embodiment of the present utility model;
Description of the drawings: the probe comprises a probe box 10, a through hole 101, an upper through hole 1011, a lower through hole 1012, a blanking cover 102, a probe part 20, an elastic telescopic part 201, a probe 202, a calibrator 30, a frame 301, a reflecting ball 302 and a grip 303.
Detailed Description
The present disclosure will now be discussed with reference to exemplary embodiments. It should be understood that the embodiments discussed are merely to enable those of ordinary skill in the art to better understand and thus practice the teachings of the present utility model and do not imply any limitation on the scope of the utility model.
As used herein, the term "comprising" and variants thereof are to be interpreted as meaning "including but not limited to" open-ended terms. The term "based on" is to be interpreted as "based at least in part on". The terms "one embodiment" and "an embodiment" are to be interpreted as "at least one embodiment.
Fig. 1 schematically illustrates a structure of a multi-point navigation probe positioning apparatus according to an embodiment of the present utility model, fig. 2 schematically illustrates a structure of a probe, an elastic telescoping portion and a resistance transducer according to an embodiment of the present utility model, and fig. 3 schematically illustrates a structure of a calibrator according to an embodiment of the present utility model, as shown in fig. 1 to 3, a multi-point navigation probe positioning apparatus according to the present utility model includes:
The probe box 10 is internally provided with a plurality of through holes 101 which are arranged in an array, each through hole 101 is internally provided with a probe part 20, and the probe parts 20 can do telescopic motion in the vertical direction in the through holes 101;
The calibrator 30 comprises a frame 301 and a reflective ball 302 arranged on the frame 301, wherein the frame 301 is fixedly connected with the probe box 10, and the reflective ball 302 is used for establishing a basic coordinate system;
A slide rheostat (not shown in the drawings) provided in the probe portion 20 for converting a variation in the stretch of the probe portion 20 into a variation in the resistance;
a positioner (not shown) is communicatively connected to the calibrator 30 and the slide rheostat, respectively, for positioning the coordinate positions of the probe portions 20.
The probe part 20 comprises an elastic telescopic part 201 and a probe 202, the elastic telescopic part 201 is fixedly connected with the probe 202, and the probe 202 moves in a telescopic way under the drive of the elastic telescopic part 201;
The slide rheostat is provided on the elastic expansion and contraction portion 201, and the slide rheostat converts the expansion and contraction change of the elastic expansion and contraction portion 201 into a resistance change.
Specifically, the calibrator 30 is located outside the probe box 10, and the calibrator 30 is fixedly connected with the probe box 10 through bolts;
The locator is an external equipment of the locating device, and can be a microcontroller or a microprocessor such as a single chip microcomputer, a digital signal processor, a CPLD, an EPGA and the like, and is respectively in communication connection with the calibrator 30 and the slide rheostat, so that a basic coordinate system can be established according to the position of the calibrator 30, and the coordinate position of the probe after stretching is located according to the resistance signal reacted by the slide rheostat.
When the positioning device positions the object to be measured, the plurality of probes 202 on the probe box 10 are simultaneously contacted with the surface of the object to be measured, so that each elastic telescopic part 201 is compressed to different degrees, at the moment, each sliding rheostat reflects the resistance at the two ends of the corresponding elastic telescopic part 201, the peripheral positioner can receive the resistance change reflected by the sliding rheostat, the expansion and contraction change quantity of the probes 202 can be obtained through the resistance change, the coordinates of the probe 202 after the expansion and contraction change can be judged through a basic coordinate system, the coordinates of the outer contour of the surface of the object to be measured can be reflected through the calculation of the coordinates of the plurality of probes 202, and the positioning and the navigation of the object to be measured are further completed.
Further, the sliding resistor includes a first conductive portion and a second conductive portion respectively disposed at both ends of the elastic extension portion 201, and a resistive coil disposed between the first conductive portion and the second conductive portion.
Specifically, a first fixing portion and a second fixing portion are respectively disposed at two ends of the elastic telescopic portion 201, the first conductive portion is fixedly connected with the elastic telescopic portion 201 through the first fixing portion, and the second conductive portion is fixedly connected with the elastic telescopic portion 201 through the second fixing portion;
The first conductive part and the second conductive part are connected through the resistance coil, when the elastic telescopic part 201 is compressed, the distance between the first conductive part and the second conductive part is shortened, the number of turns of the resistance coil between the first conductive part and the second conductive part is reduced, and the resistance between the first conductive part and the second conductive part is changed.
Through the setting of slide rheostat, the elasticity change of the elasticity flexible portion 201 that will be unfavorable for the locator of peripheral hardware to detect is changed into the resistance change that does benefit to the locator to detect, and the coordinate value after the probe 202 flexible is calculated to the convenient locator, and the setting of slide rheostat makes whole positioner need not to dispose complicated equipment and detects the elasticity change of elasticity flexible portion 201 for whole positioner simple structure, low in manufacturing cost.
Further, fig. 4 schematically shows a cross-sectional view of a probe cassette according to an embodiment of the present utility model, as shown in fig. 4:
The via 101 includes an upper via 1011 and a lower via 1012, the upper via 1011 having a diameter larger than the lower via 1012;
The elastic expansion and contraction part 201 is positioned in the upper through hole 1011, and the lower through hole 1012 limits the movement of the elastic expansion and contraction part 201;
The probe 202 is inserted into the upper through hole 1011 through the lower through hole 1012 and is fixedly connected to the elastic expansion portion 201.
Specifically, in the embodiment of the present utility model, the probe cassette 10 is provided in a square shape with a bottom size of 60×60mm, and a plurality of through holes 101 are provided in the probe cassette 10, which are uniformly distributed in 10×10 inside the probe cassette 10.
Each through hole 101 comprises an upper through hole 1011 and a lower through hole 1012, which are integrally formed and connected, wherein the diameter of the upper through hole 1011 is larger than that of the lower through hole 1012, and in the embodiment of the utility model, the diameter of the upper through hole 1011 is 2mm, and the diameter of the lower through hole 1012 is 1mm;
When the elastic expansion part 201 is arranged on the upper through hole 1011, the connection end of the upper through hole 1011 and the lower through hole 1012 limits the movement of the elastic expansion part 201 towards the direction close to the lower through hole 1011, when the probe 202 is inserted into the upper through hole 1011 from the outer side of the probe box 10 through the lower through hole 1012 to be fixedly connected with the elastic expansion part 201, the elastic expansion part 201 cannot be pulled out by the probe 202, and the normal use of the device is ensured.
Further, as shown in fig. 4, a blocking cover 102 is further disposed on the probe box 10;
the cap 102 is fixedly connected to the probe case 10, and the cap 102 restricts movement of the elastic expansion and contraction portion 201 in the upper through hole 1011 in a direction away from the lower through hole 1012.
The arrangement is such that the elastic expansion and contraction portion 201 is confined in the upper through hole 1011, providing space for the elastic expansion and contraction portion 201 to elastically deform.
Further, as shown in fig. 3:
the calibrator 30 comprises a frame 301 and a reflective ball 302 arranged on the frame 301;
the frame 301 is fixedly connected with the probe box 10;
the locator is in communication with the reflector ball 302.
Specifically, in the embodiment of the present utility model, the frame 301 is configured as a quadrilateral, which may be configured in other shapes, and a plurality of reflective balls 302 are disposed on the frame 301 and located at four corners of the quadrilateral, and of course, the reflective balls 302 may be disposed at any other positions of the frame 301;
The first fixing holes are formed in the frame 301, the second fixing holes are correspondingly formed in the plug 102 of the probe box 10, and the first fixing holes of the frame 301 and the second fixing holes of the plug 102 are correspondingly placed, so that the first fixing holes and the second fixing holes are fixedly connected through bolts.
When a user places the positioning device corresponding to the object to be detected, the external positioner can establish a basic coordinate system according to the position of the reflective ball 302 on the frame 301, so as to facilitate the coordinate determination of the subsequent probe 202.
Further, the frame 301 is further provided with a grip 303.
Specifically, the grip 303 is integrally connected with the frame 301, so that a user can pick up the whole positioning device through the grip 303, and the user can use the positioning device conveniently;
The grip 303 is further provided with friction strips, so that when a user grips the grip 303, the friction strips can increase the friction force of the grip, and the user can hold and move the device more firmly.
Further, as shown in fig. 2, a fixing block is provided on the probe 202;
the fixing block is embedded in the elastic telescoping portion 201, and the probe 202 is fixedly connected with the elastic telescoping portion 201 through the fixing block.
The fixing block can further prevent the elastic expansion part 201 from being deformed to move out of the lower through hole 1012 or be blocked into the lower through hole 1012 if being subjected to a large pulling force;
Meanwhile, the arrangement of the fixing block is more convenient for connecting the elastic telescopic part 201 with the probe 202.
Further, the first conductive portion and the second conductive portion are copper rings, the elastic telescopic portion 201 may be provided as a spring, and the structure is simple, and the cost is low, and of course, the first conductive portion, the second conductive portion, and the elastic telescopic portion 201 may be provided as other devices or structures capable of achieving the same effect.
In summary, through the scheme of the utility model, the probe box 10 is provided with the plurality of through holes 101, the through holes 101 are internally provided with the probes 202, the elastic telescopic parts 201 and the slide varistors, the probes 202 are fixedly connected with the elastic telescopic parts 201, the probes 202 can move in the through holes 101 in a telescopic manner through the elastic telescopic parts 201, the slide varistors are arranged on the elastic telescopic parts 201 and reflect the resistance between the two ends of the elastic telescopic parts 201, the object to be measured is positioned through the positioning device, the plurality of probes 202 are simultaneously contacted with the uneven surface of the object to be measured, so that the plurality of elastic telescopic parts 201 are compressed to different degrees, each slide varistors reflect different resistance changes, the peripheral positioners can calculate the coordinates of each probe 202 after being telescopic according to the resistance changes, and then the overall outline coordinates of the object to be measured can be obtained at one time.
The above description is only illustrative of the preferred embodiments of the present application and of the principles of the technology employed. It will be appreciated by persons skilled in the art that the scope of the application referred to in the present application is not limited to the specific combinations of the technical features described above, but also covers other technical features formed by any combination of the technical features described above or their equivalents without departing from the inventive concept. Such as the above-mentioned features and the technical features disclosed in the present application (but not limited to) having similar functions are replaced with each other.
It should be understood that, the sequence numbers of the steps in the summary and the embodiments of the present application do not necessarily mean the order of execution, and the execution order of the processes should be determined by the functions and the internal logic, and should not be construed as limiting the implementation process of the embodiments of the present application.
Claims (10)
1. A multi-point navigation probe positioning device, comprising:
The probe box is internally provided with a plurality of through holes which are arranged in an array, each through hole is internally provided with a probe part, and the probe parts can do telescopic motion in the vertical direction in the through holes;
the calibrator comprises a frame body and a reflective ball arranged on the frame body, wherein the frame body is fixedly connected with the probe box, and the reflective ball is used for establishing a basic coordinate system;
a sliding rheostat provided on the probe portion for converting a variation in the stretch of the probe portion into a variation in the resistance;
and the locator is respectively in communication connection with the calibrator and the slide rheostat and is used for locating the coordinate position of the probe part.
2. The multi-point navigation probe positioning device according to claim 1, wherein the probe part comprises an elastic telescopic part and a probe, the elastic telescopic part is fixedly connected with the probe, and the probe moves in a telescopic way under the drive of the elastic telescopic part;
The sliding rheostat is arranged on the elastic telescopic part and converts the telescopic change of the elastic telescopic part into resistance change.
3. The positioning device of claim 2, wherein the slide rheostat comprises a first conductive portion, a second conductive portion, and a resistive coil disposed between the first conductive portion and the second conductive portion, respectively, at both ends of the elastic telescoping portion.
4. A multi-point navigation probe positioning device according to claim 2, wherein the through holes comprise an upper through hole and a lower through hole, the upper through hole having a diameter greater than the diameter of the lower through hole;
The elastic telescopic part is positioned in the upper through hole, and the top end of the lower through hole limits the downward movement of the elastic telescopic part;
the probe passes through and exposes the lower through hole.
5. The positioning device of a multipoint navigation probe according to claim 4, wherein a cover is further provided on the probe box;
the blocking cover is fixedly connected with the probe box, and the blocking cover limits upward movement of the elastic telescopic part.
6. The multi-point navigation probe positioning device according to claim 1, wherein the marker is further provided with a grip, and the grip is provided with friction stripes.
7. The multi-point navigation probe positioning device according to claim 2, wherein a fixed block is arranged on the probe;
The fixing block is embedded into the elastic telescopic part, and the probe is fixedly connected with the elastic telescopic part through the fixing block.
8. A multi-point navigation probe positioning device according to claim 3, wherein the first conductive portion and the second conductive portion are copper rings.
9. The multi-point navigation probe positioning device of claim 1, wherein the through holes are uniformly disposed within the probe box.
10. A multi-point navigation probe positioning device according to claim 2, wherein the resilient telescoping portion comprises a spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322103812.6U CN220801100U (en) | 2023-08-07 | 2023-08-07 | Multi-point navigation probe positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322103812.6U CN220801100U (en) | 2023-08-07 | 2023-08-07 | Multi-point navigation probe positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220801100U true CN220801100U (en) | 2024-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322103812.6U Active CN220801100U (en) | 2023-08-07 | 2023-08-07 | Multi-point navigation probe positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220801100U (en) |
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2023
- 2023-08-07 CN CN202322103812.6U patent/CN220801100U/en active Active
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