CN113288217B - Ultrasound elastography wearable blood pressure measuring equipment - Google Patents
Ultrasound elastography wearable blood pressure measuring equipment Download PDFInfo
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- CN113288217B CN113288217B CN202110764574.6A CN202110764574A CN113288217B CN 113288217 B CN113288217 B CN 113288217B CN 202110764574 A CN202110764574 A CN 202110764574A CN 113288217 B CN113288217 B CN 113288217B
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- 230000036772 blood pressure Effects 0.000 title claims abstract description 21
- 238000002113 ultrasound elastography Methods 0.000 title claims description 15
- 210000002302 brachial artery Anatomy 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 239000000523 sample Substances 0.000 claims abstract description 22
- 238000009530 blood pressure measurement Methods 0.000 claims abstract description 19
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 5
- 238000002091 elastography Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 210000005075 mammary gland Anatomy 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 210000002307 prostate Anatomy 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 210000001685 thyroid gland Anatomy 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/04—Measuring blood pressure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/42—Details of probe positioning or probe attachment to the patient
- A61B8/4209—Details of probe positioning or probe attachment to the patient by using holders, e.g. positioning frames
- A61B8/4227—Details of probe positioning or probe attachment to the patient by using holders, e.g. positioning frames characterised by straps, belts, cuffs or braces
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4427—Device being portable or laptop-like
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/48—Diagnostic techniques
- A61B8/485—Diagnostic techniques involving measuring strain or elastic properties
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Hematology (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Abstract
The invention discloses an ultrasonic elastography wearable blood pressure measurement device, comprising: the ultrasonic probe comprises a host, two clamping belts, an ultrasonic probe and a display screen, wherein the host is provided with a bottom surface and a top surface; the two clamping bands are oppositely arranged at two sides of the host machine and can pivot to be clamped and fixed on arms of a measured object, and a self-locking mechanism is arranged at the joint between each clamping band and the host machine so as to selectively lock and fix the clamping bands at required positions in clamping band rotation adjustment through the self-locking mechanism; the ultrasonic probe is arranged on the bottom surface and is used for transmitting ultrasonic waves to the brachial artery area on the arm and receiving echo signals of the brachial artery area; the display screen is arranged on the top surface and used for displaying blood pressure data processed by the host according to the echo signals. According to the ultrasonic elastography wearable blood pressure measuring device provided by the embodiment of the invention, the blood pressure measurement at the brachial artery can be very conveniently completed, and the use and the operation are simple and convenient.
Description
Technical Field
The invention relates to blood pressure measuring equipment, in particular to ultrasonic elastography wearable blood pressure measuring equipment.
Background
The ultrasonic elastography is a novel ultrasonic diagnosis technology, can be used for researching tumor and diffuse disease imaging which cannot be detected by traditional ultrasonic, and can be applied to the aspects of mammary gland, thyroid gland, prostate and the like. With the development of ultrasound elastography technology. In the related art, a scheme of applying the ultrasonic elastography technology to blood pressure measurement is disclosed, so that the accuracy of blood pressure measurement can be improved. However, since there is no measuring apparatus directly applied to the brachial artery, the measuring operation is inconvenient for the measurement of the brachial artery region applied to the arm, and it is difficult to achieve the blood pressure measurement in the brachial artery region.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems in the related art to some extent. To this end, the invention aims to propose an ultrasound elastography wearable blood pressure measurement device.
To achieve the above object, an ultrasound elastography wearable blood pressure measurement device according to an embodiment of the present invention includes:
A host having a bottom surface and a top surface;
the two clamping bands are oppositely arranged at two sides of the host machine and can pivot to be clamped and fixed on arms of the tested object, and a self-locking mechanism is arranged at the joint of each clamping band and the host machine so as to selectively lock and fix the clamping bands at required positions in the clamping band rotation adjustment through the self-locking mechanism;
The ultrasonic probe is arranged on the bottom surface and is used for transmitting ultrasonic waves to the brachial artery area on the arm and receiving echo signals of the brachial artery area;
and the display screen is arranged on the top surface and used for displaying blood pressure data processed by the host according to the echo signals.
According to the ultrasonic elastography wearable blood pressure measuring device provided by the embodiment of the invention, the blood pressure measuring device is clamped and fixed on the arm of a measured object by using the two clamping bands, the ultrasonic probe is aligned with the brachial artery area, the ultrasonic probe is used for transmitting ultrasonic waves to the brachial artery area on the arm, and receiving echo signals of the brachial artery area, and the host computer processes the echo signals to obtain blood pressure data and displays the blood pressure data on the display screen, so that the blood pressure measurement at the brachial artery can be very conveniently completed. In addition, the arm size of the measured object can be freely adjusted and adapted by utilizing two entraining rotations, and self-locking is realized by utilizing a self-locking mechanism, so that the device is simple and convenient to use and operate.
In addition, the ultrasound elastography wearable blood pressure measurement device according to the above embodiment of the present invention may further have the following additional technical features:
According to one embodiment of the invention, the strap is formed in an arc shape, adapted to be clamped to the arm of a patient.
According to one embodiment of the invention, two side surfaces of the host are respectively provided with a pivot seat, and one end of each clamping strap is provided with two opposite pivot parts;
The pin joint seat is arranged between the two pin joint parts, and each pin joint part is pivotally connected with the pin joint seat through one self-locking mechanism.
According to one embodiment of the invention, the self-locking mechanism comprises:
The first gear ring piece is fixed relative to the pivoting seat in the circumferential direction;
the second gear ring piece is circumferentially and relatively fixed with the pivoting part, and is meshed with the first gear ring piece;
The unlocking piece is arranged on the pivoting part and used for driving the first gear ring piece to be separated from the second gear ring piece so as to release the engagement of the first gear ring piece and the second gear ring piece.
According to one embodiment of the invention, the unlocking member comprises:
the first elastic piece is arranged in the pivot seat and is positioned between the two first gear ring pieces and used for providing elastic acting force for forcing the first gear ring pieces to move towards the second gear ring pieces so that the first gear ring pieces are kept meshed with the second gear ring pieces;
The pressing piece is arranged on the pivoting part and extends into the pivoting seat to prop against the first gear ring piece, so that the first gear ring piece is driven to be separated from the second gear ring piece through the pressing piece.
According to one embodiment of the invention, the pivot seat is provided with a pivot hole penetrating along the horizontal direction, the pivot hole comprises a middle section and end sections positioned at two sides of the middle section, the cross section of the middle section is positioned in a polygon, and the cross section of the end sections is circular;
The first gear ring piece comprises a prism portion and a first gear ring portion arranged at one end of the prism portion, the prism portion is inserted into the middle section to form circumferential positioning, the first gear ring portion is meshed with the second gear ring piece, and the pressing piece is abutted to one end of the prism portion.
According to one embodiment of the invention, the through hole on the pivoting part comprises a first through hole section and a second through hole section, the first through hole section is positioned at one side adjacent to the pivoting seat, the diameter of the second through hole section is smaller than that of the first through hole section, so that a step surface is formed between the first through hole section and the second through hole section, and a plurality of positioning ports are arranged on the step surface at intervals along the circumferential direction;
The second gear ring piece comprises a cylindrical portion and a second gear ring portion arranged at one end of the cylindrical portion, the cylindrical portion is inserted into the first through hole section, a positioning portion protruding radially is arranged at the other end of the cylindrical portion, the positioning portion is matched with the positioning opening to form circumferential fixation, and the second gear ring portion is suitable for being meshed with the first gear ring portion.
According to one embodiment of the invention, the second ring gear member is provided with a slide hole penetrating in the axial direction, and the pressing member includes:
the ejector pin comprises an ejector pin head and a rod part, the ejector pin head is positioned between the first gear ring piece and the second gear ring piece, the diameter of the ejector pin head is larger than that of the rod part, so that the ejector pin head is blocked with the second gear ring piece, and the rod part is connected with the ejector pin head and extends in a direction away from the pivot seat;
The operation button is movably arranged in the second through hole section and connected with the rod part so as to be operated by a user to drive the ejector pin to move to one side of the pivot seat.
According to one embodiment of the present invention, the pressing member further includes a second elastic member, the second elastic member is located in the second through hole section, one end of the second elastic member abuts against the step surface, and the other end of the second elastic member abuts against the operation button.
According to one embodiment of the invention, the host is further provided with a rechargeable battery for providing power to the host.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the results of one view angle of an ultrasound elastography wearable blood pressure measurement device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the results of another view angle of an ultrasound elastography wearable blood pressure measurement device according to an embodiment of the present invention;
FIG. 3 is an exploded view of an ultrasound elastography wearable blood pressure measurement device of an embodiment of the present invention;
FIG. 4 is a cross-sectional view of an ultrasound elastography wearable blood pressure measurement device of an embodiment of the present invention in a pivoted position between an entrainment and a host;
Fig. 5 is another exploded view of an ultrasound elastography wearable blood pressure measurement device of an embodiment of the present invention.
Reference numerals:
10. a host;
101. A housing;
102. A circuit board;
103. a pivot seat;
104. A rechargeable battery;
H10, pin joint holes;
H10a, intermediate section;
H10b, end segment;
11. A self-locking mechanism;
111. A first ring gear member;
111a, a prism portion;
111b, a first ring gear portion;
112. A second ring gear member;
112a, a second ring gear portion;
112b, a cylindrical portion;
112c, a positioning part;
h112, sliding holes;
113. a knock pin;
113a, a pin head;
113b, a stem;
114. Operating a button;
115. A first elastic member;
116. a second elastic member;
12. a display screen;
20. Entrainment;
201. a pivoting part;
H20 and through holes;
H20a, a first via segment;
h20b, a second via segment;
201a, positioning ports;
S20, a step surface;
30. An ultrasonic probe.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below are exemplary and intended to illustrate the present invention and should not be construed as limiting the invention, and all other embodiments, based on the embodiments of the present invention, which may be obtained by persons of ordinary skill in the art without inventive effort, are within the scope of the present invention.
In the description of the present invention, 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", "axial", "circumferential", "radial", 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 invention and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
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 such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like 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 invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
An ultrasound elastography wearable blood pressure measurement device of an embodiment of the present invention is described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 5, an ultrasound elastography wearable blood pressure measurement device provided according to an embodiment of the present invention includes a main body 10, two belts 20, an ultrasound probe 30, and a display screen 12.
Specifically, the host 10 has a bottom surface and a top surface, and the host 10 may generally include a housing 101 and a circuit board 102 disposed in the housing 101, and a processing unit, an ultrasonic transceiver unit, and the like may be disposed on the circuit board 102.
The strap 20 may be made of a material having a certain strength, such as a hard plastic, or a metal material having a certain elasticity. The two carrying belts 20 are oppositely arranged at two sides of the host 10 and can pivot to clamp and fix on the arms of the tested object. A self-locking mechanism 11 is provided at the connection between each of the clamping bands 20 and the host 10, so that the clamping bands 20 can be selectively locked and fixed at a required position in the rotation adjustment of the clamping bands 20 by the self-locking mechanism 11.
That is, the entrainment 20 can rotate relative to the host 10, the size of the space between the two entrainment 20 is adjusted by rotating the two entrainment 20, so as to adapt to the arm of the measured object, that is, the two entrainment 20 rotate towards each other, the space between the two entrainment 20 is reduced, and the space between the two entrainment 20 is increased when the two entrainment 20 rotate towards each other. In addition, a self-locking mechanism 11 is arranged at the connection part between each clamping strap 20 and the host 10, the self-locking mechanism 11 is configured to release the clamping strap 20 after the clamping strap 20 rotates to a required position, the self-locking mechanism 11 can lock and fix the clamping strap 20 at the required position, in other words, the self-locking mechanism 11 can be used for keeping the clamping strap 20 at the required position, in this way, when in use, the two clamping straps 20 are placed on two sides of an arm, and then the two clamping arms rotate towards the directions close to each other, so that the two clamping straps 20 are closely wrapped on the arm, and the clamping strap 20 is released, so that the two clamping straps 20 can be reliably clamped on the arm under the locking and fixing effects of the self-locking mechanism 11, and the host 10 is prevented from shifting and the like.
The ultrasonic probe 30 is provided on the bottom surface to transmit ultrasonic waves to the brachial artery region on the arm and to receive echo signals from the brachial artery region. The display screen 12 is disposed on the top surface, and is used for displaying blood pressure data obtained by the host 10 according to the echo signal processing.
That is, the ultrasonic probe 30 is provided at the bottom of the main body 10, and when the main body 10 is worn on the arm of the subject through the two straps 20, the ultrasonic probe 30 is vertically aligned with the brachial artery region on the arm, and ultrasonic waves can be emitted to the brachial artery region of the arm by the ultrasonic probe 30. The ultrasonic wave induces echo signals in the brachial artery region, the ultrasonic probe 30 receives the echo signals and transmits the echo signals to the host computer 10, and the host computer 10 can calculate blood pressure data according to the echo signals.
It will be appreciated that the ultrasonic probe 30 may be electrically connected to an ultrasonic transceiver unit in the host 10, and generate ultrasonic waves by the ultrasonic transceiver unit, transmit the ultrasonic waves to the brachial artery region of the arm through the ultrasonic probe 30, and transmit the echo signals generated in the brachial artery region to the ultrasonic transceiver unit after being recovered by the ultrasonic probe 30, and transmit the echo signals to the processing unit through the ultrasonic transceiver unit, and process the echo signals by the processing unit to obtain blood pressure data.
According to the ultrasonic elastography wearable blood pressure measuring device provided by the embodiment of the invention, the blood pressure measuring device is clamped and fixed on the arm of a measured object by using the two clamping belts 20, the ultrasonic probe 30 is aligned with the brachial artery area, the ultrasonic probe 30 is used for transmitting ultrasonic waves to the brachial artery area on the arm and receiving echo signals of the brachial artery area, the host computer 10 processes the blood pressure data according to the echo signals and displays the blood pressure data on the display screen 12, so that the blood pressure measurement at the brachial artery can be very conveniently completed. In addition, the arm size of the matched measured object can be freely adjusted by utilizing the rotation of the two clamping belts 20, and the self-locking is realized by utilizing the self-locking mechanism 11, so that the use and the operation are simple and convenient.
Advantageously, the clamping band 20 is formed in an arc shape and is suitable for being clamped on the arm of a patient, so that the fitting degree of the arc-shaped clamping band 20 and the arm is better, and further, the fixing effect is better when the two clamping bands 20 are clamped and fixed on the arm of a tested object.
More advantageously, a silica gel layer is arranged on the inner side surface of the clamping strap 20, and the silica gel layer can increase the adhesiveness between the ultrasonic probe 30 and the skin of an arm, so that the ultrasonic probe is not easy to shift after the blood pressure measuring device is worn, and the alignment of the ultrasonic probe 30 and the brachial artery region is further ensured, and the reliability of measurement is ensured.
In some embodiments of the present invention, two sides of the main machine 10 are respectively provided with a pivot seat 103, and one end of each of the clamping bands 20 is provided with two opposite pivot parts 201; the pivot seat 103 is located between the two pivot portions 201, and each pivot portion 201 is pivotally connected to the pivot seat 103 through one of the self-locking mechanisms 11.
That is, the host 10 is pivotally connected to two opposite pivoting portions 201 of the strap 20 through two pivoting seats 103 on two sides, and a self-locking mechanism 11 is disposed between each pivoting portion 201 and the pivoting seat 103, so that the pivoting between the host 10 and the strap 20 is reliable and stable, and the two self-locking mechanisms 11 can ensure that the strap 20 can be reliably locked and fixed with the pivoting seat 103, so as to achieve a more reliable and stable clamping and fixing effect.
In one embodiment of the present invention, the self-locking mechanism 11 includes a first gear ring 111, a second gear ring 112, and an unlocking member, where the first gear ring 111 is fixed relative to the pivot base 103 in a circumferential direction. The second ring gear member 112 is fixed to the pivot portion 201 circumferentially, and the second ring gear member 112 is meshed with the first ring gear member 111.
The unlocking member is provided on the pivoting portion 201 for driving the first gear ring member 111 to be separated from the second gear ring member 112, so as to release the engagement of the first gear ring member 111 with the second gear ring member 112.
That is, the first ring gear member 111 is fixed circumferentially relative to the pivot base 103 so as not to rotate about its own axis, and the second ring gear member 112 is fixed circumferentially relative to the strap 20 so as not to rotate about its own axis. While the teeth of the first gear ring member 111 and the second gear ring member 112 remain engaged, by which the strap 20 is locked against rotation relative to the main machine 10. The unlocking member is mounted on the pivot 201 for operation by a user, and the first gear ring member 111 is separated from the second gear ring member 112 by the unlocking member, and in the separated state, the first gear ring member 111 and the second gear ring member 112 are disengaged, so that the strap 20 can rotate relative to the main machine 10.
In this embodiment, the above self-locking mechanism 11 is adopted, the first gear ring member 111 and the second gear ring member 112 are meshed, so that the relative locking of the strap 20 can be kept fixed, and when unlocking is needed, the unlocking key can be used to push the first gear ring member 111 and the second gear ring member 112 to separate so as to realize unlocking, so that the strap 20 is convenient to rotate and adjust, and the self-locking mechanism has a simple structure, is simple and convenient to switch between unlocking and locking, and is reliable in locking fixation.
In one embodiment of the present invention, the unlocking member includes a first elastic member 115 and a pressing member, wherein the first elastic member 115 is disposed in the pivot seat 103 and located between the two first gear ring members 111, so as to provide an elastic force for forcing the first gear ring members 111 to move toward the second gear ring members 112, so that the first gear ring members 111 are kept engaged with the second gear ring members 112.
The pressing piece is disposed on the pivot portion 201 and extends into the pivot seat 103 to abut against the first gear ring member 111, so as to drive the first gear ring member 111 to be separated from the second gear ring member 112 through the pressing piece.
That is, the first elastic member 115 is disposed between the two first gear ring members 111 in the pivot seat, and the first elastic member 115 is in a compressed state, and the first elastic member 115 is used to provide elastic force to the two first gear ring members 111, so that the two first elastic members 115 respectively engage with the second gear ring members 112 on the two pivot portions 201, so that the clamping strap 20 and the host 10 maintain a reliable locking and fixing state when no other external force is interposed.
In addition, the pressing piece is disposed on the pivot portion 201 and extends into the pivot seat 103 to abut against the first gear ring member 111, when the unlocking is required, the pressing piece can push the first gear ring member 111 to move into the pivot seat 103 by pressing the pressing piece, the distance between the two first gear ring members 111 is reduced, the first elastic member 115 is further compressed, and at the same time, the first gear ring member 111 is separated from the second gear ring member 112, so as to achieve the unlocking. When the locking is required to be restored, only the pressing piece is required to be loosened, and then in the resetting process of the first elastic piece 115, the first elastic piece 115 pushes the first gear ring piece 111 to approach the second gear ring piece 112 and then to be in restoration engagement with the second gear ring piece 112, so that the operation is very convenient, and the unlocking and locking can be switched only by pressing or loosening the pressing piece.
In one embodiment of the present invention, the pivot base 103 is provided with a pivot hole H10 penetrating in a horizontal direction, the pivot hole H10 includes a middle section H10a and end sections H10b located at two sides of the middle section H10a, a cross section of the middle section H10a is located in a polygon, and a cross section of the end section H10b is circular.
The first gear ring member 111 includes a prism portion 111a and a first gear ring portion 111b disposed at one end of the prism portion 111a, the prism portion 111a is inserted into the middle section H10a to form a circumferential positioning, the first gear ring portion 111b is engaged with the second gear ring member 112, and the pressing member abuts against the one end of the prism portion 111 a.
In this embodiment, the prism portion 111a is matched with the polygonal middle section H10a in the pivot hole H10, so that, on one hand, the first gear ring member 111 and the pivot seat 103 can be circumferentially fixed, and on the other hand, the first gear ring member 111 can slide along the axial direction, so as to further achieve engagement or disengagement with the second gear ring member 112, and the device has a simple structure and is convenient to assemble, and meanwhile, the reliable circumferential fixation with the pivot seat 103 and the reliable separation and engagement switching between the first gear ring member and the second gear ring member 112 can be ensured.
In an embodiment of the present invention, the through hole H20 on the pivot portion 201 includes a first through hole section H20a and a second through hole section H20b, the first through hole section H20a is located on a side adjacent to the pivot base 103, and the second through hole section H20b has a smaller diameter than the first through hole section H20a, so that a step surface S20 is formed between the first through hole section H20a and the second through hole section H20b, and a plurality of positioning holes 201a are circumferentially arranged on the step surface S20 at intervals.
The second gear ring member 112 includes a cylindrical portion 112b and a second gear ring portion 112a disposed at one end of the cylindrical portion 112b, the cylindrical portion 112b is inserted into the first through hole segment H20a, a positioning portion 112c protruding in a radial direction is disposed at the other end of the cylindrical portion 112b, the positioning portion 112c cooperates with the positioning opening 201a to form a circumferential fixation, and the second gear ring portion 112a is adapted to be meshed with the first gear ring portion 111 b.
In this embodiment, the cylindrical portion 112b of the second ring gear member 112 is mounted in the first through hole section H20a, and is provided with a positioning opening 201a on the step surface S20, and the second ring gear member 112 and the pivot portion 201 can be fixed relatively in the circumferential direction by the positioning opening 201a being engaged with the positioning portion 112c of the second ring gear member 112. In addition, during assembly, the second ring gear member 112 can be assembled by mounting the second ring gear member 112 with the outer side from the second through hole section H20b toward the first through hole section H20a, which is convenient and simple to assemble.
In one embodiment of the present invention, the second gear ring member 112 is provided with a sliding hole H112 penetrating in an axial direction, and the pressing member includes a top pin 113 and an operation button 114, wherein the top pin 113 includes a top pin head 113a and a rod portion 113b, the top pin head 113a is located between the first gear ring member 111 and the second gear ring member 112, and the top pin head 113a has a diameter larger than that of the rod portion 113b, so that the top pin head 113a is blocked by the second gear ring member 112, and the rod portion 113b is connected to the top pin head 113a and extends in a direction away from the pivot base 103. The operation button 114 is movably disposed in the second through hole section H20b and connected to the lever portion 113b, so that a user can operate the operation button to drive the top pin 113 to move to one side of the pivot base 103.
That is, the shaft portion 113b of the knock pin 113 is slidably disposed in the sliding hole H112 of the second gear ring member 112, and the end of the shaft portion 113b adjacent to the first gear ring member 111 is provided with a knock pin head 113a, wherein the diameter of the knock pin head 113a is larger than that of the shaft portion 113b, so as to prevent the knock pin 113 from being pulled out from the sliding hole H112 to a side far from the first gear ring member 111. The end of the lever portion 113b remote from the first ring gear member 111 is connected to the operation button 114 after penetrating from the outside of the second ring gear member 112. When in use, the push button 114 can be operated to push the top pin head 113a of the top pin 113 to push the first gear ring member 111 to move into the pivot seat 103 to be separated from the second gear ring member 112, so that the structure is simple, the assembly of the pressing member is convenient, and the pushing of the pressing member to the first gear ring member 111 is ensured to be reliable and stable.
Advantageously, the pressing member further includes a second elastic member 116, where the second elastic member 116 is located in the second through hole section H20b, one end of the second elastic member 116 abuts against the step surface S20, and the other end of the second elastic member 116 abuts against the operation button 114.
When the operation button 114 is pressed, the second elastic member 116 is compressed, the ejector pin 113 pushes the first gear ring member 111 to be separated from the second gear ring member 112, the first elastic member 115 is compressed, when the operation button 114 is released, the first elastic member 115 and the second elastic member 116 are reset, the ejector pin 113 can be ensured to be quickly reset through the action of the second elastic member 116, and then the first gear ring member 111 and the second gear ring member 112 can be quickly restored to the engaged state, so that the reliability and stability of the cooperation of the first gear ring member 111 and the second gear ring member 112 are improved.
In an embodiment of the present invention, the host 10 is further provided with a rechargeable battery 104 for providing power to the host 10, so that the blood pressure measuring device is more convenient to use, can be used after being charged, and does not need an external power supply.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (2)
1. An ultrasound elastography wearable blood pressure measurement device, comprising:
A host having a bottom surface and a top surface;
The two clamping bands are oppositely arranged at two sides of the host machine and can pivot to be clamped and fixed on arms of a tested object, and a self-locking mechanism is arranged at the joint of each clamping band and the host machine so as to selectively lock and fix the clamping bands at required positions in the clamping band rotation adjustment through the self-locking mechanism;
The ultrasonic probe is arranged on the bottom surface and is used for transmitting ultrasonic waves to the brachial artery area on the arm and receiving echo signals of the brachial artery area;
The display screen is arranged on the top surface and used for displaying blood pressure data obtained by the host according to the echo signal processing;
Two side surfaces of the host are respectively provided with a pivot seat, and one end of each clamping strap is provided with two opposite pivot parts; the pin joint seat is arranged between the two pin joint parts, and each pin joint part is pivotally connected with the pin joint seat through one self-locking mechanism;
The self-locking mechanism comprises a first gear ring piece, a second gear ring piece and an unlocking piece, and the first gear ring piece and the pivoting seat are fixed relatively in the circumferential direction; the second gear ring piece is circumferentially and relatively fixed with the pivoting part, and is meshed with the first gear ring piece; the unlocking piece is arranged on the pivoting part and is used for driving the first gear ring piece to be separated from the second gear ring piece so as to release the engagement of the first gear ring piece and the second gear ring piece;
The unlocking piece comprises a first elastic piece and a pressing piece, wherein the first elastic piece is arranged in the pivot seat and is positioned between the two first gear ring pieces and is used for providing elastic acting force for forcing the first gear ring pieces to move towards the second gear ring pieces so that the first gear ring pieces are kept meshed with the second gear ring pieces; the pressing piece is arranged on the pivoting part and extends into the pivoting seat to prop against the first gear ring piece so as to drive the first gear ring piece to be separated from the second gear ring piece through the pressing piece;
The pivot seat is provided with a pivot hole penetrating along the horizontal direction, the pivot hole comprises a middle section and end sections positioned at two sides of the middle section, the cross section of the middle section is positioned in a polygon, and the cross section of the end sections is circular; the first gear ring piece comprises a prism portion and a first gear ring portion arranged at one end of the prism portion, the prism portion is inserted into the middle section to form circumferential positioning, the first gear ring portion is meshed with the second gear ring piece, and the pressing piece is abutted against one end of the prism portion;
The through hole on the pivoting part comprises a first through hole section and a second through hole section, the first through hole section is positioned at one side adjacent to the pivoting seat, the diameter of the second through hole section is smaller than that of the first through hole section, so that a step surface is formed between the first through hole section and the second through hole section, and a plurality of positioning ports are circumferentially arranged on the step surface at intervals;
The second gear ring piece comprises a cylindrical part and a second gear ring part arranged at one end of the cylindrical part, the cylindrical part is inserted into the first through hole section, a positioning part protruding along the radial direction is arranged at the other end of the cylindrical part, the positioning part is matched with the positioning opening to form circumferential fixation, and the second gear ring part is suitable for being meshed with the first gear ring part;
The second gear ring piece is provided with a sliding hole penetrating along the axial direction, the pressing piece comprises a top pin and an operation button, the top pin comprises a top pin head and a rod part, the top pin head is positioned between the first gear ring piece and the second gear ring piece, the diameter of the top pin head is larger than that of the rod part, so that the top pin head is blocked with the second gear ring piece, and the rod part is connected with the top pin head and extends towards a direction far away from the pivot seat;
The operation button is movably arranged in the second through hole section and connected with the rod part so as to be operated by a user to drive the ejector pin to move to one side of the pivot seat;
the pressing piece further comprises a second elastic piece, the second elastic piece is located in the second through hole section, one end of the second elastic piece abuts against the step surface, and the other end of the second elastic piece abuts against the operation button;
the host is also provided with a rechargeable battery for providing power for the host.
2. The ultrasound elastography wearable blood pressure measurement device of claim 1, wherein the strap is formed in an arc shape adapted to be clamped on a patient's arm.
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| CN202110764574.6A CN113288217B (en) | 2021-07-06 | 2021-07-06 | Ultrasound elastography wearable blood pressure measuring equipment |
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| CN202110764574.6A CN113288217B (en) | 2021-07-06 | 2021-07-06 | Ultrasound elastography wearable blood pressure measuring equipment |
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| CN113288217A (en) | 2021-08-24 |
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