CN219763373U - Bone mineral density measuring position marking device - Google Patents
Bone mineral density measuring position marking device Download PDFInfo
- Publication number
- CN219763373U CN219763373U CN202222678012.2U CN202222678012U CN219763373U CN 219763373 U CN219763373 U CN 219763373U CN 202222678012 U CN202222678012 U CN 202222678012U CN 219763373 U CN219763373 U CN 219763373U
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- sliding
- plate
- fixed
- supporting plate
- bottom plate
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 21
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 21
- 239000011707 mineral Substances 0.000 title claims abstract description 21
- 238000006073 displacement reaction Methods 0.000 claims abstract description 12
- 230000037182 bone density Effects 0.000 claims description 10
- 238000001739 density measurement Methods 0.000 claims 4
- 238000012360 testing method Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012216 screening Methods 0.000 description 2
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 206010017076 Fracture Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000037118 bone strength Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000000245 forearm Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model provides a bone mineral density measuring position marking device, which comprises a fixed bottom plate, wherein a fixed supporting plate is fixedly arranged at the top end of the fixed bottom plate, a sliding rail is arranged at the top end of the fixed bottom plate along the length direction of the fixed bottom plate, and a sliding supporting plate and a finger top plate are slidably arranged on the sliding rail; an abutting part for abutting the elbow is arranged on one side of the top end of the fixed supporting plate, which is far away from the sliding supporting plate; the two sides of the fixed bottom plate are provided with indication scales along the length direction of the fixed bottom plate by taking the far end of the inner side of the abutting part from the sliding supporting plate as a starting point; the top of the fixed bottom plate is fixedly provided with a grating ruler parallel to the sliding rail, a reading head of the grating ruler is fixedly connected with the bottom end of the finger top plate, and the fixed bottom plate is fixedly provided with a display screen for displaying the displacement of the reading head. The device detects the displacement of the top plate of the finger through the grating ruler, determines the distance from the elbow to the fingertip of the tested person according to the original length of each component, and reads the 1/2 position of the elbow to the fingertip of the middle finger through the indication scales on two sides of the fixed bottom plate, namely the 1/3 position of the distal radius.
Description
Technical Field
The utility model relates to the technical field of ultrasonic bone mineral density detection, in particular to a bone mineral density measuring position marking device.
Background
Bone mineral density is an index for judging the bone strength of a human body, and can intuitively reflect the fracture risk of the human body. The ultrasonic bone density detection method is relatively suitable for general screening and screening of bone density due to the characteristics of no radiation, no pain, convenience, rapidness and low price.
In measuring the radius bone density, the medical field clinical regulation uses the 1/3 position of the distal radius bone as the ultrasonic bone density detection position, which is positioned at 1/2 of the length from the elbow to the middle finger of the human body. The standard operation of determining the test position is that the elbow of the arm of the tested person is arranged on a table surface to be vertical, the palm is relaxed and opened, the five fingers are gathered to form a straight line with the forearm, the distance from the bottom of the elbow to the tip of the middle finger is measured by an operator, the 1/2 position of the length is calculated by using a tape measure, and after the length is calibrated, the ultrasonic bone density is measured at the calibration position. The method is complicated in repeated operation for physical examination, census and other processes, and the detection efficiency is reduced in actual test; and the operator is required to manually operate the calibration, errors caused by human reasons such as fatigue and negligence of the operator can be introduced, even the operator can directly judge the approximate position of the test part according to experience, certain subjectivity exists, and the accuracy of the measured position cannot be ensured. The ultrasonic sound velocity values of different axial positions of the radius of the human body are tested to be different by using an ultrasonic bone density method, and the difference is different from person to person; because the calibration of the bone mineral density test position is inaccurate, under the condition of multiple measurement or measurement by different operators, the condition that the measured bone mineral density values are inconsistent is easy to appear, and the repeatability is poor.
Often, a doctor is required to manually take a measurement or empirically find the measured position before each test. The bone density values at different positions are different to some extent by virtue of the experience of doctors, and the accurate bone density value of a tested person cannot be reliably represented by the measured result of an inaccurate measurement position, so that the reliability of the measured result is reduced to some extent.
Disclosure of Invention
The utility model aims to provide a bone mineral density measuring position marking device which can accurately and quickly position a radius measuring position.
The utility model provides a bone mineral density measuring position marking device which comprises a fixed bottom plate, wherein a fixed supporting plate, a sliding supporting plate and a finger top plate are sequentially arranged at the top end of the fixed bottom plate;
the fixed supporting plate is fixedly arranged at the top end of the fixed bottom plate, a sliding rail is fixedly arranged at the top end of the fixed bottom plate along the length direction of the fixed bottom plate, and the sliding supporting plate and the finger top plate are both slidably arranged on the sliding rail;
the two sides of the fixed bottom plate are provided with indication scales along the length direction of the fixed bottom plate by taking the far end of the inner side of the abutting part from the sliding supporting plate as a starting point;
the top of the fixed bottom plate is fixedly provided with a grating ruler parallel to the sliding rail, a reading head of the grating ruler is fixedly connected with the bottom end of the finger top plate, and the fixed bottom plate is fixedly provided with a display screen for displaying the displacement of the reading head.
Furthermore, a shell is fixedly arranged at one side of the top end of the fixed bottom plate, which is far away from the fixed supporting plate, the inside of the shell is of a hollow structure, and the display screen is embedded on the shell.
Further, the grating ruler comprises a base and a reading head, wherein the reading head is slidably mounted on the base, the base is parallel to the sliding rail, the bottom end of the base is fixedly mounted on the fixed bottom plate, and the top end of the reading head is fixedly connected with the bottom end of the finger top plate.
Further, a first reset tension spring is connected between the bottom end of the sliding support plate and the bottom end of the fixed bottom plate, and a second reset tension spring is connected between the bottom end of the finger top plate and the bottom end of the sliding support plate.
Further, the number of the first reset tension springs is two, and the two first reset tension springs are symmetrically arranged along the symmetrical dividing line of the sliding supporting plate.
Further, the bottom of fixed layer board the slip layer board with the finger roof is hollow structure, first spout has been seted up along its length direction symmetry to the both sides of fixed layer board bottom, the both sides of slip layer board be equipped with respectively with first spout cooperation first slider, be in on the fixed layer board the opening part fixed mounting of first spout has first baffle.
Further, second sliding grooves are symmetrically formed in two sides of the bottom of the sliding supporting plate, second sliding blocks matched with the second sliding grooves are arranged on two sides of the finger top plate, and a second baffle is fixedly mounted at the opening of the second sliding grooves on the sliding supporting plate.
Further, sliding mounting has first slip connecting block, second slip connecting block and third slip connecting block on the slide rail, the top of first slip connecting block with the bottom fixed connection of finger roof, the top of second slip connecting block with the top of third slip connecting block all with the bottom fixed connection of slip layer board, the second slip connecting block with the third slip connecting block is followed the length direction interval setting of slip layer board.
Further, the top surface of the fixed supporting plate, the top surface of the sliding supporting plate and the abutting part are of concave arc structures.
Further, the shell is of an arch structure.
Compared with the prior art, the technical scheme of the utility model has the following beneficial effects: the device realizes the arm length of the different testees of self-adaptation through gliding slip layer board, detects the displacement of finger roof through grating chi to detect the distance of testee's elbow to the fingertip through the original fixed length of the device, and read elbow to middle finger fingertip's 1/2 department through the instruction scale of fixed baseplate both sides, thereby accomplish the location, the device has simplified the measurement calibration process, has improved the location accuracy, thereby improved the reliability of supersound bone density testing result.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an exploded view of the present utility model;
FIG. 3 is a view of another exploded construction of the present utility model;
FIG. 4 is an enlarged view of the structure of FIG. 3A in accordance with the present utility model;
FIG. 5 is an enlarged view of the structure of FIG. 3B in accordance with the present utility model;
reference numerals illustrate: 1-fixed bottom plate, 2-fixed layer board, 201-abutting portion, 202-first spout, 203-first baffle, 3-slip layer board, 301-handle, 302-second spout, 303-second baffle, 304-first slider, 4-finger roof, 401-second slider, 5-shell, 501-display screen, 6-first return spring, 7-second return spring, 8-slide rail, 9-first slide connection block, 10-second slide connection block, 11-third slide connection block, 12-grating chi.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1
As shown in fig. 1-5, a bone mineral density measuring position marking device comprises a fixed bottom plate 1, wherein a fixed supporting plate 2, a sliding supporting plate 3 and a finger top plate 4 are sequentially arranged at the top end of the fixed bottom plate 1, the fixed supporting plate 2 is fixedly arranged at the top end of the fixed bottom plate 1, a sliding rail 8 is fixedly arranged at the top end of the fixed bottom plate 1 along the length direction of the fixed bottom plate, and the sliding supporting plate 3 and the finger top plate 4 are slidably arranged on the sliding rail 8, and the bone mineral density measuring position marking device is characterized in that: the sliding rail 8 is provided with a first sliding connection block 9, a second sliding connection block 10 and a third sliding connection block 11 in a sliding manner, the top end of the first sliding connection block 9 is fixedly connected with the bottom end of the finger top plate 4, the top end of the second sliding connection block 10 and the top end of the third sliding connection block 11 are fixedly connected with the bottom end of the sliding support plate 3, the second sliding connection block 10 and the third sliding connection block 11 are arranged at intervals along the length direction of the sliding support plate 3, and because the length of the sliding support plate 3 is longer, in order to keep the stability of the sliding support plate 3 during sliding, two sliding connection blocks are arranged at intervals along the length direction of the sliding support plate 3.
The top of the sliding support plate 3 is provided with a handle 301, one side of the top of the fixed support plate 2 away from the sliding support plate 3 is provided with an abutting part 201 for abutting an elbow, and the top surface of the fixed support plate 2, the top surface of the sliding support plate 3 and the abutting part 201 are of concave arc structures for placing arms, and the fixed support plate is characterized in that: the abutting part 201 is an arc-shaped groove, and when in use, the elbow part is propped against the arc-shaped groove, and the handle 301 is held by a hand to push the sliding support plate 3 forwards.
The top fixed mounting of PMKD 1 has grating chi 12 parallel with slide rail 8, grating chi 12 includes base and reading head, reading head slidable mounting is on the base, the base is on a parallel with slide rail 8, the bottom fixed mounting of base is on PMKD 1, the top of reading head and the bottom fixed connection of finger roof 4, fixedly mounted has the display screen 501 that is used for showing the reading head displacement on PMKD 1, the reading head that finger roof 4 drove grating chi 12 removes, the displacement shows on display screen 501, one side fixed mounting that PMKD 1 top kept away from PMKD 2 has arch structure's shell 5, the inside hollow structure that is of shell 5, display screen 501 inlays the dress on shell 5, shell 5 is used for protecting finger roof 4 and can not break away from the bottom plate landing, the structure and the principle of grating chi 12 are prior art, the details are omitted here.
A first reset tension spring 6 is connected between the bottom end of the sliding support plate 3 and the bottom end of the fixed bottom plate 1, and a second reset tension spring 7 is connected between the bottom end of the finger top plate 4 and the bottom end of the sliding support plate 3. The number of the first reset tension springs 6 is two, and the two first reset tension springs 6 are symmetrically arranged along the symmetrical dividing line of the sliding supporting plate 3. When not in use, the variable cross section of the sliding support plate 3 is tightly attached to the fixed support plate 2 under the action of the reset tension spring, the finger top plate 4 is tightly attached to the sliding support plate 3, the phenomenon of random sliding can not occur, the automatic reset is completed after the use,
the bottom of fixed layer board 2, slip layer board 3 and finger roof 4 is hollow structure, and first spout 202 has been seted up along its length direction symmetry to the both sides of fixed layer board 2 bottom, and the both sides of slip layer board 3 are equipped with respectively with first spout 202 cooperation first slider 304, fixed layer board 2 is last to have first baffle 203 at the opening part of first spout 202 for the biggest travel distance of restriction slip layer board 3 prevents that slip layer board 3 from breaking away from fixed layer board 2. Second sliding grooves 302 are symmetrically formed in two sides of the bottom of the sliding supporting plate 3, second sliding blocks 401 matched with the second sliding grooves 302 are arranged on two sides of the finger top plate 4, and a second baffle 303 is fixedly arranged on the sliding supporting plate 3 at the opening of the second sliding grooves 302.
Both sides of the fixed base plate 1 are provided with indication scales along the length direction thereof with the inner side of the abutting portion 201 being at a distance from the most distal end of the sliding support plate 3 as a starting point, and the length of the indication scales is not less than 30 cm.
Working principle:
when the device is used, the hand grip 301 is grasped by a hand to move the sliding support plate 3 and the finger top plate 4 forwards, so that the arm elbow of a tested person can be conveniently supported on the supporting part 201 at the tail end of the fixed support plate 2, the arm and the finger are straightened and kept as a straight line, the finger top plate 4 assembly is pushed by the finger to slide forwards again, the maximum displacement position is reached, at the moment, the grating ruler 12 uploads the displacement of the finger top plate 4 to the upper computer, the final displacement distance of the finger top plate 4 is displayed on the display screen 501, and the displacement distance is recorded as S 2 . Since the fixed blade 2, the sliding blade 3 and the finger top 4 have their inherent arm-rest length in the initial state, which is determined by the original mechanical structure, this length is defined as S 1 And stored in the host computer.
The host computer passes through the mechanical inherent length S 1 And displacement S of the finger top plate 4 2 Can calculate the total length L=S from the elbow of the arm to the top of the finger of the tested person 1 +S 2 Through the upper computer, the formula L is adopted 1 Calculation of L/2 to obtain the detected position, i.e. 1/2 of the total length of the arm, i.e. 1/3 of the distal radius, and adding L 1 This value is displayed on the display 501, and the doctor may read the measured position directly on the indication scale of the base plate through the value displayed on the display 501.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (10)
1. The bone mineral density measuring position marking device is characterized by comprising a fixed bottom plate, wherein a fixed supporting plate, a sliding supporting plate and a finger top plate are sequentially arranged at the top end of the fixed bottom plate, a handle is arranged at the top end of the sliding supporting plate, and an abutting part for abutting an elbow is arranged at one side of the top end of the fixed supporting plate, which is far away from the sliding supporting plate;
the fixed supporting plate is fixedly arranged at the top end of the fixed bottom plate, a sliding rail is fixedly arranged at the top end of the fixed bottom plate along the length direction of the fixed bottom plate, and the sliding supporting plate and the finger top plate are both slidably arranged on the sliding rail;
the two sides of the fixed bottom plate are provided with indication scales along the length direction of the fixed bottom plate by taking the far end of the inner side of the abutting part from the sliding supporting plate as a starting point;
the top of the fixed bottom plate is fixedly provided with a grating ruler parallel to the sliding rail, a reading head of the grating ruler is fixedly connected with the bottom end of the finger top plate, and the fixed bottom plate is fixedly provided with a display screen for displaying the displacement of the reading head.
2. The bone mineral density measuring position marking device as claimed in claim 1, wherein a housing is fixedly installed at a side of the top end of the fixing base plate away from the fixing support plate, the housing has a hollow structure, and the display screen is embedded in the housing.
3. The bone mineral density measurement location marking device of claim 1, wherein the grating ruler comprises a base and a reading head, the reading head is slidably mounted on the base, the base is parallel to the sliding rail, the bottom end of the base is fixedly mounted on the fixed bottom plate, and the top end of the reading head is fixedly connected with the bottom end of the finger top plate.
4. The bone mineral density measurement location marking device of claim 1, wherein a first return tension spring is connected between the bottom end of the sliding tray and the bottom end of the fixed bottom plate, and a second return tension spring is connected between the bottom end of the finger top plate and the bottom end of the sliding tray.
5. The bone mineral density measuring position marking apparatus as claimed in claim 4, wherein the number of the first return tension springs is two, and the two first return tension springs are symmetrically arranged along a symmetrical dividing line of the sliding support plate.
6. The bone mineral density measuring position marking device according to claim 1, wherein the bottoms of the fixed supporting plate, the sliding supporting plate and the finger top plate are hollow structures, first sliding grooves are symmetrically formed in two sides of the bottom of the fixed supporting plate along the length direction of the fixed supporting plate, first sliding blocks matched with the first sliding grooves are respectively arranged on two sides of the sliding supporting plate, and a first baffle is fixedly arranged at an opening of the first sliding grooves on the fixed supporting plate.
7. The bone mineral density measuring position marking device according to claim 6, wherein second sliding grooves are symmetrically formed in two sides of the bottom of the sliding support plate, second sliding blocks matched with the second sliding grooves are arranged on two sides of the finger top plate, and a second baffle is fixedly arranged on the sliding support plate at an opening of the second sliding grooves.
8. The bone mineral density measurement position marking device according to claim 1, wherein a first sliding connection block, a second sliding connection block and a third sliding connection block are slidably mounted on the sliding rail, the top end of the first sliding connection block is fixedly connected with the bottom end of the finger top plate, the top end of the second sliding connection block and the top end of the third sliding connection block are fixedly connected with the bottom end of the sliding support plate, and the second sliding connection block and the third sliding connection block are arranged at intervals along the length direction of the sliding support plate.
9. The bone mineral density measuring position marking apparatus as claimed in claim 1, wherein the fixed blade top surface, the sliding blade top surface, and the abutment are each of a concave circular arc configuration.
10. The bone density measurement location marking device of claim 2 wherein the housing is an arch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222678012.2U CN219763373U (en) | 2022-10-11 | 2022-10-11 | Bone mineral density measuring position marking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222678012.2U CN219763373U (en) | 2022-10-11 | 2022-10-11 | Bone mineral density measuring position marking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219763373U true CN219763373U (en) | 2023-09-29 |
Family
ID=88129684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222678012.2U Active CN219763373U (en) | 2022-10-11 | 2022-10-11 | Bone mineral density measuring position marking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219763373U (en) |
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2022
- 2022-10-11 CN CN202222678012.2U patent/CN219763373U/en active Active
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