CN215129017U

CN215129017U - Detection device for measuring human bone mineral density

Info

Publication number: CN215129017U
Application number: CN202120466624.8U
Authority: CN
Inventors: 覃睿铭
Original assignee: Guangdong Hongen Health Management Co ltd
Current assignee: Guangdong Hongen Health Management Co ltd
Priority date: 2021-03-04
Filing date: 2021-03-04
Publication date: 2021-12-14
Anticipated expiration: 2031-03-04

Abstract

The utility model belongs to the technical field of medical instrument, especially, be a detection device for measuring human bone density, the relatively poor measuring effect that leads to of ability to be used for measuring human bone density's detection device adaptation equidimension arm not among the prior art is not good, and measure the relatively poor problem of travelling comfort, the following scheme is proposed at present, which comprises a housin, equal fixed mounting has transmitting probe on the both sides inner wall of casing, the spout has been seted up on the top inner wall of casing, slidable mounting has the slide in the spout, the bottom fixed mounting of slide has the threaded sleeve, threaded sleeve's bottom fixed mounting has receiving probe, the mounting groove has been seted up on one side inner wall of casing, fixed mounting has the motor in the mounting groove, fixedly connected with lead screw on the output shaft of motor. The utility model discloses be convenient for carry out altitude mixture control and fixed to the hand backup pad in the human bone density detection device to be convenient for carry out the detection of bone density to the arm of equidimension not, promoted the suitability of equipment.

Description

Detection device for measuring human bone mineral density

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a detection device for measuring human bone mineral density.

Background

The research of the quantitative ultrasonic technology on the aspect of osteoporosis detection has been in many years, the occurrence of fracture can be predicted clinically, and the quantitative ultrasonic technology has the advantages of being noninvasive, portable, wide in applicable population, good in repeatability and the like. The most widely used today is the ultrasonic lateral propagation technique, which uses two piezoelectric transducers, one as transmitter and the other as receiver, placed on either side of the bone site under test for measurement. Through retrieval, Chinese patent with application publication number CN101947116A discloses a measuring device and a detecting method for detecting bone density by an axial quantitative ultrasonic method in the technical field of medical instruments, a shell is fixedly connected with one end of a spring group, the other end of the spring group is connected with a side pad, an arm measuring groove is formed in the upper space of the side pad, and two identical transmitting probes and a receiving probe are arranged on the opposite side of the side pad; the two transmitting probes and the receiving probe are positioned on the same plane on one side of the partition plate, and the bottom end of the receiving probe is connected with a transmission component; the measured arm is placed into an arm measuring groove, a spring group drives a side pad to horizontally move in the arm measuring groove, a rotating shaft of a stepping motor drives a lead screw to rotate, so that a receiving probe is driven to move, two transmitting probes sequentially transmit ultrasonic slow waves, and the receiving probe converts the ultrasonic slow waves received twice into an electric signal to be subsequently processed; according to the design, the measurement error caused by the thickness of soft tissue on the bone is eliminated, the position of the receiving probe is accurately positioned, and the measurement precision is improved.

However, the above design has disadvantages, and the size of the measurement groove is adjusted by the elastic force of the spring set in the above design, so that the measurement device is suitable for the measurement of arms with different sizes, but the adjustment range is smaller, and when people with larger arms measure, the hand is pressed by the spring with larger force, so that the use comfort is affected, and therefore, the detection device for measuring the bone density of the human body is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the poor ability of the detection device for measuring human bone density in the prior art adapts to arms of different sizes results in the poor measurement effect and measures the relatively poor shortcoming of travelling comfort, and the detection device for measuring human bone density who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a detection device for measuring human bone mineral density comprises a shell, wherein transmitting probes are fixedly mounted on the inner walls of two sides of the shell, a sliding groove is formed in the inner wall of the top of the shell, a sliding plate is slidably mounted in the sliding groove, a threaded sleeve is fixedly mounted at the bottom of the sliding plate, a receiving probe is fixedly mounted at the bottom of the threaded sleeve, a mounting groove is formed in the inner wall of one side of the shell, a motor is fixedly mounted in the mounting groove, a lead screw is fixedly connected onto an output shaft of the motor, the threaded sleeve is sleeved on the outer side of the lead screw in a threaded manner, through holes are formed in two sides of the shell, two circular grooves are formed in the inner wall of the bottom of the shell, a cylinder is rotatably mounted in each circular groove, a threaded groove is formed in the top end of the cylinder, a threaded rod is mounted in each threaded groove, the top ends of the two threaded rods are fixedly mounted with the same transverse plate, and a plurality of supporting springs are fixedly connected to the top of the transverse plate, the top fixed mounting of a plurality of supporting springs has same backup pad, and the top fixed mounting of backup pad has the backing plate, and two cylindrical outsides all fixed cup joints have the sprocket, and transmission mounting has same chain on two sprockets, and the fixed cup joint in the cylindrical outside of two cylinders has first bevel gear, the horizontal hole has been seted up to one side of casing, and the horizontal downthehole rotation is installed the cross axle, and the cross axle is located the inboard one end fixed mounting of casing and has second bevel gear, first bevel gear meshes with second bevel gear mutually.

Preferably, the bottom both sides of backup pad all fixed mounting have the montant, vertical hole has all been seted up to the top both sides of diaphragm, two montants respectively with corresponding vertical hole sliding connection, lead the backup pad.

Preferably, the other end of the cross shaft is fixedly provided with a turntable, and the bottom of one side of the turntable is fixedly provided with a rocker arm, so that the rotation of the cross shaft can be controlled conveniently.

Preferably, the bottom fixed mounting of montant has the limiting plate, and the limiting plate carries on spacingly with the bottom activity butt of diaphragm to the montant.

Preferably, the same guide rod is fixedly connected to the inner walls of the two sides of the shell, and the sliding plate is slidably sleeved on the outer side of the guide rod to guide the sliding plate.

Preferably, two limiting rods are installed at the bottom of the transverse plate, two limiting grooves are formed in the inner wall of the bottom of the shell, and the two limiting rods are respectively in sliding connection with the corresponding limiting grooves to guide the transverse plate to move vertically.

In the utility model, a detection device for measuring human bone mineral density, through the backing plate top of putting into the casing with the arm to be measured through the through-hole, then rotate through holding rocking arm control cross axle, the cross axle drives second bevel gear and rotates, second bevel gear drives first bevel gear and rotates, first bevel gear drives the cylinder that is located one side and rotates, the cylinder that is located one side drives the cylinder that is located the opposite side through the chain drive between two sprockets and rotates, two cylinders drive the diaphragm through the screw-thread fit with the corresponding threaded rod jointly and carry out the up-and-down motion respectively, the diaphragm drives backup pad and backing plate through a plurality of supporting spring and carries out the up-and-down motion, thereby adjust the height of backing plate, make the arm to be measured contact with receiving probe and two transmitting probes;

in the utility model, a detection device for measuring human bone density, through the starter motor, the output shaft of motor drives the lead screw and rotates, the lead screw carries out transverse motion through the receiving probe with the screw-thread fit soldier of screw sleeve area under the guide effect of guide bar, thereby adjust the transverse position of receiving probe, then lead to close two transmitting probe and launch supersound slow wave in proper order, the receiving probe turns into the supersound slow wave of twice receipt and sends the follow-up module to handle with the signal of telecommunication, and record the result, then start motor control once more and adjust the position of receiving probe, and record the received signal in proper order, thereby promote measurement accuracy through many times of measurement;

the utility model has the advantages of reasonable design, be convenient for carry out altitude mixture control and fixed to the hand backup pad in the human bone density detection device to be convenient for carry out the detection of bone density to the arm of equidimension not, promoted the suitability of equipment, the reliability is high.

Drawings

Fig. 1 is a schematic structural diagram of a detection device for measuring bone density of a human body according to the present invention;

fig. 2 is a schematic structural diagram of a part a of a detection device for measuring bone density of a human body according to the present invention;

fig. 3 is a schematic structural diagram of a part B of the detection apparatus for measuring bone density of a human body according to the present invention.

In the figure: 1. a housing; 2. a motor; 3. a slide plate; 4. a threaded sleeve; 5. receiving a probe; 6. a transmitting probe; 7. a screw rod; 8. a base plate; 9. a support plate; 10. a through hole; 11. a guide bar; 12. a cylinder; 13. a threaded rod; 14. a sprocket; 15. a first bevel gear; 16. a second bevel gear; 17. a horizontal axis; 18. a support spring; 19. a rocker arm; 20. a vertical rod; 21. a limiting plate; 22. a limiting rod; 23. a transverse plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a detection device for measuring human bone density, comprising a casing 1, wherein the inner walls of two sides of the casing 1 are fixedly provided with a transmitting probe 6, the inner wall of the top of the casing 1 is provided with a sliding groove, the sliding groove is internally provided with a sliding plate 3, the bottom of the sliding plate 3 is fixedly provided with a threaded sleeve 4, the bottom of the threaded sleeve 4 is fixedly provided with a receiving probe 5, the inner wall of one side of the casing 1 is provided with a mounting groove, the mounting groove is internally and fixedly provided with a motor 2, the output shaft of the motor 2 is fixedly connected with a screw rod 7, the threaded sleeve 4 is in threaded sleeve joint with the outer side of the screw rod 7, two sides of the casing 1 are provided with through holes 10, the inner wall of the bottom of the casing 1 is provided with two circular grooves, a cylinder 12 is rotatably arranged in the circular grooves, the top end of the cylinder 12 is provided with a threaded groove, a threaded rod 13 is arranged in the threaded groove, and the top ends of the two threaded rods 13 are fixedly provided with a same transverse plate 23, the top fixedly connected with of diaphragm 23 has a plurality of supporting spring 18, the top fixed mounting of a plurality of supporting spring 18 has same backup pad 9, the top fixed mounting of backup pad 9 has backing plate 8, the outside of two cylinders 12 all is fixed the sprocket 14 that has cup jointed, the transmission is installed same chain on two sprockets 14, the outside of a cylinder 12 in two cylinders 12 is fixed the cup joint first bevel gear 15, horizontal hole has been seted up to one side of casing 1, horizontal downthehole rotation installs cross axle 17, the one end fixed mounting that cross axle 17 is located casing 1 inboard has second bevel gear 16, first bevel gear 15 meshes with second bevel gear 16 mutually.

The utility model discloses in, the equal fixed mounting in bottom both sides of backup pad 9 has montant 20, and vertical hole has all been seted up to the top both sides of diaphragm 23, and two montants 20 respectively with the vertical hole sliding connection who corresponds, lead backup pad 9.

The utility model discloses in, the other end fixed mounting of cross axle 17 has the carousel, and one side bottom fixed mounting of carousel has rocking arm 19, is convenient for control cross axle 17's rotation.

The utility model discloses in, the bottom fixed mounting of montant 20 has limiting plate 21, and limiting plate 21 carries on spacingly with the bottom activity butt of diaphragm 23 to montant 20.

The utility model discloses in, the same guide bar 11 of fixedly connected with on the both sides inner wall of casing 1, slide 3 slides and cup joints in the outside of guide bar 11, leads slide 3.

The utility model discloses in, two gag lever posts 22 are installed to the bottom of diaphragm 23, have seted up two spacing grooves on the bottom inner wall of casing 1, and two gag lever posts 22 carry out vertical motion's direction with the spacing groove sliding connection who corresponds respectively to diaphragm 23.

In the utility model, when in use, the tested arm is put into the top of the backing plate 8 in the shell 1 through the through hole 10, then the rocker arm 19 is held to control the cross shaft 17 to rotate, the cross shaft 17 drives the second bevel gear 16 to rotate, the second bevel gear 16 drives the first bevel gear 15 to rotate, the first bevel gear 15 drives the cylinder 12 on one side to rotate, the cylinder 12 on one side drives the cylinder 12 on the other side to rotate through the chain transmission between the two chain wheels 14, the two cylinders 12 respectively drive the transverse plate 23 to move up and down through the thread matching with the corresponding threaded rod 13, the transverse plate 23 drives the supporting plate 9 and the backing plate 8 to move up and down through the supporting springs 18, thereby the height of the backing plate 8 is adjusted, the tested arm is contacted with the receiving probe 5 and the two transmitting probes 6, and then the motor 2 is started, the output shaft of motor 2 drives lead screw 7 and rotates, lead screw 7 carries out lateral motion through the receiving probe 5 of taking under the guide effect of guide bar 11 with the screw-thread fit soldier of threaded sleeve 4, thereby adjust the lateral position of receiving probe 5, then two transmitting probe 6 of customs transmit the supersound slow wave in proper order, receiving probe 5 changes the supersound slow wave of twice receipt into the signal of telecommunication and send follow-up module to handle, and the record result, then start motor 2 control once more and adjust the position of receiving probe 5, and record received signal in proper order, thereby promote measurement accuracy through measuring many times.

Claims

1. The detection device for measuring the bone mineral density of a human body comprises a shell (1) and is characterized in that transmitting probes (6) are fixedly mounted on the inner walls of the two sides of the shell (1), a sliding groove is formed in the inner wall of the top of the shell (1), a sliding plate (3) is slidably mounted in the sliding groove, a threaded sleeve (4) is fixedly mounted at the bottom of the sliding plate (3), a receiving probe (5) is fixedly mounted at the bottom of the threaded sleeve (4), a mounting groove is formed in the inner wall of one side of the shell (1), a motor (2) is fixedly mounted in the mounting groove, a lead screw (7) is fixedly connected to an output shaft of the motor (2), the threaded sleeve (4) is in threaded sleeve connection with the outer side of the lead screw (7), through holes (10) are formed in the two sides of the shell (1), two circular grooves are formed in the inner wall of the bottom of the shell (1), and a cylinder (12) is rotatably mounted in the circular grooves, the top end of each cylinder (12) is provided with a thread groove, each thread groove is internally provided with a threaded rod (13), the top ends of the two threaded rods (13) are fixedly provided with a same transverse plate (23), the top of each transverse plate (23) is fixedly connected with a plurality of supporting springs (18), the top ends of the supporting springs (18) are fixedly provided with a same supporting plate (9), the top of each supporting plate (9) is fixedly provided with a backing plate (8), the outer sides of the two cylinders (12) are fixedly sleeved with chain wheels (14), each chain wheel (14) is provided with a same chain in a transmission manner, the outer side of one cylinder (12) of the two cylinders (12) is fixedly sleeved with a first bevel gear (15), one side of the shell (1) is provided with a transverse hole, a transverse shaft (17) is rotatably arranged in the transverse hole, and one end, located on the inner side of the shell (1), of the transverse shaft (17) is fixedly provided with a second bevel gear (16), the first bevel gear (15) is meshed with the second bevel gear (16).

2. The detection device for measuring the bone mineral density of the human body according to claim 1, wherein vertical rods (20) are fixedly mounted on two sides of the bottom of the support plate (9), vertical holes are formed in two sides of the top of the transverse plate (23), and the two vertical rods (20) are respectively connected with the corresponding vertical holes in a sliding manner.

3. The detecting device for measuring the bone mineral density of the human body as claimed in claim 1, wherein the other end of the transverse shaft (17) is fixedly provided with a turntable, and the bottom of one side of the turntable is fixedly provided with a rocker arm (19).

4. The detection device for measuring the bone mineral density of the human body according to claim 2, wherein the bottom end of the vertical rod (20) is fixedly provided with a limiting plate (21), and the limiting plate (21) is movably abutted against the bottom of the transverse plate (23).

5. The detection device for measuring the bone mineral density of the human body according to the claim 1, characterized in that the same guide rod (11) is fixedly connected to the inner walls of the two sides of the shell (1), and the sliding plate (3) is slidably sleeved on the outer side of the guide rod (11).

6. The detection device for measuring the bone mineral density of the human body according to claim 1, wherein two limiting rods (22) are installed at the bottom of the transverse plate (23), two limiting grooves are formed in the inner wall of the bottom of the shell (1), and the two limiting rods (22) are respectively connected with the corresponding limiting grooves in a sliding manner.