CN114306038A - Integrated electric pressing device for cardio-pulmonary resuscitation - Google Patents
Integrated electric pressing device for cardio-pulmonary resuscitation Download PDFInfo
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- CN114306038A CN114306038A CN202210081916.9A CN202210081916A CN114306038A CN 114306038 A CN114306038 A CN 114306038A CN 202210081916 A CN202210081916 A CN 202210081916A CN 114306038 A CN114306038 A CN 114306038A
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- 238000002680 cardiopulmonary resuscitation Methods 0.000 title claims abstract description 41
- 230000033001 locomotion Effects 0.000 claims abstract description 57
- 230000005540 biological transmission Effects 0.000 claims abstract description 38
- 238000001514 detection method Methods 0.000 claims abstract description 38
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000000523 sample Substances 0.000 claims description 19
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 6
- 230000006978 adaptation Effects 0.000 description 3
- 210000004556 brain Anatomy 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 208000010496 Heart Arrest Diseases 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000002612 cardiopulmonary effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005399 mechanical ventilation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
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Abstract
The invention discloses an integrated electric pressing device for cardio-pulmonary resuscitation, which comprises a base and a driving motor, wherein the upper end of the base is provided with a sliding rod, and the integrated electric pressing device also comprises: the lead screw transmission mechanism is used for converting the rotation output of the driving motor into linear reciprocating motion required in the cardio-pulmonary resuscitation process, and the upper end of the lead screw transmission mechanism is connected with the sliding rod in a sliding manner through a connecting rod body; and the position detection assembly is used for detecting the distance of the linear reciprocating motion in the screw transmission mechanism. The invention changes the traditional motor series motion structure into an integrated design structure which combines the rotor of the motor and the transmission part in the screw transmission mechanism, realizes the stepless adjustment of the pressing depth, improves the applicability of the cardio-pulmonary resuscitation machine, realizes the miniaturization and modularization at the same time, is beneficial to the miniaturization design of the cardio-pulmonary resuscitation machine, is convenient for the carrying, the popularization and the application of the cardio-pulmonary resuscitation machine, and ensures that more patients needing rescue can be rescued.
Description
Technical Field
The invention relates to medical emergency equipment, in particular to an integrated electric pressing device for cardio-pulmonary resuscitation.
Background
The cardiopulmonary resuscitator is a device which replaces manpower with machinery to carry out basic life support operations such as artificial respiration (mechanical ventilation) and chest compression, and compared with free-hand compression, the device can remarkably improve the perfusion blood flow of the heart and the brain of a patient suffering from cardiac arrest, avoid the heart and the brain from entering irreversible death, and gradually recover the work of the heart and the brain.
The current pressing device basically adopts "motor + linear motion part", and the linear motion part converts the rotary motion of motor into linear motion's pressing device, adopts "motor series connection linear motion to generate the structure", has bulky, and the integrated level is not high, the miniaturized scheduling problem of being not convenient for, presses the degree of depth moreover and adjusts inconveniently, and the security is poor, is not convenient for the popularization and application of cardiopulmonary resuscitation machine.
Disclosure of Invention
The invention aims to provide an integrated electric pressing device for cardio-pulmonary resuscitation, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a cardiopulmonary resuscitation is with integrated electronic press device, includes driving motor, the slide bar is installed to driving motor's base upper end, still includes:
the lead screw transmission mechanism is used for converting the rotation output of the driving motor into linear reciprocating motion required in the cardio-pulmonary resuscitation process, and the upper end of the lead screw transmission mechanism is connected with the sliding rod in a sliding manner through a connecting rod body;
and the position detection assembly is used for detecting the distance of the linear reciprocating motion in the screw rod transmission mechanism.
As a further scheme of the invention: the lead screw transmission mechanism comprises a lead screw and a transmission piece mechanically matched with the lead screw, a connecting rod body is transversely arranged at the upper end of the lead screw, one end of the connecting rod body is sleeved on the sliding rod, and the periphery of the transmission piece is fixedly connected with a motor rotor of the driving motor.
As a further scheme of the invention: the transmission part is composed of a nut pair, the upper end and the lower end of the nut pair are rotatably installed in the base through bearings respectively, the lead screw is installed in the nut pair, and the external thread of the lead screw is matched with the internal thread of the nut pair.
As a further scheme of the invention: the outer side face of the nut pair is fixedly provided with a first bearing sleeve half body, the inner side face of the base is fixedly provided with a second bearing sleeve half body which is symmetrically arranged with the first bearing sleeve half body, the bearing is arranged between the first bearing sleeve half body and the second bearing sleeve half body, and the nut pair drives the bearing to rotate when rotating.
The middle of the first bearing half body is recessed to form a first arc-shaped groove matched with the bearing, the middle of the second bearing half body is recessed to form a second arc-shaped groove matched with the bearing, and the bearing is arranged in the first arc-shaped groove and the second arc-shaped groove.
As a further scheme of the invention: the transmission part is composed of a screw rod, the internal thread of the screw rod is matched and connected with the external thread of the screw rod, and the screw rod is fixedly connected with the motor rotor.
As a further scheme of the invention: the position detection assembly comprises a detection probe and a detection ruler, the detection probe is fixedly arranged at the upper end of the lead screw, the detection ruler is fixed on the base and is arranged in parallel with the lead screw, and scale marks which are uniformly distributed from bottom to top are arranged on the detection ruler.
The detection probe is horizontally arranged on the lead screw and is arranged towards the detection ruler, the detection probe moves along with the movement of the lead screw, and the linear movement distance of the lead screw is measured by reading the scale value on the detection ruler;
as a further scheme of the invention: the driving motor further comprises a display module and a control module, the control module is electrically connected with the display module and the detection probe respectively, and the control module receives a position signal transmitted by the detection probe, transmits the position signal to the display module and displays the position signal through the display module;
meanwhile, the control module adjusts the driving force of the driving motor according to a preset movement range, so that the linear movement range of the lead screw is in accordance with an expected safety range.
As a further scheme of the invention: the position detection assembly comprises a rotating part fixed on the nut pair and a static part fixed on the base, the rotating part and the static part are arranged oppositely, an angle sensor is arranged on the rotating part, the rotating part is driven to rotate when the nut pair rotates, the angle theta of the rotating part rotating relative to the static part is detected through the angle sensor, so that the displacement l of the linear motion of the lead screw is obtained,
the nut pair is further provided with a dividing ring, the dividing ring is driven to rotate when the nut pair rotates, the angle sensor obtains the rotating angle theta of the rotating piece by detecting the rotating angle of the dividing ring, and the linear motion displacement of the lead screw is calculated by the following formula:
and Ph is the lead of the screw rod and the nut pair.
As a further scheme of the invention: the nut pair is L-shaped and comprises a vertical part and a horizontal part, the vertical part is connected with the lead screw in an adaptive mode and is perpendicular to the vertical part, the horizontal part extends outwards, the vertical part is connected with the horizontal part in an integrated mode, the motor rotor is installed on the upper end face of the horizontal part and is fixedly connected with the nut pair, a motor stator is fixedly installed on the inner side of the base, and the motor stator and the electronic rotor are arranged oppositely.
As a further scheme of the invention: the slide bar includes many, arranges along circumference the periphery of lead screw, the bottom surface middle part of the connecting rod body is fixed to be set up the upper end of lead screw, just seted up on the terminal surface of the connecting rod body a plurality ofly with the through-hole of slide bar adaptation, many the slide bar passes respectively corresponding through-hole, the diameter of through-hole is greater than the diameter of slide bar.
Compared with the prior art, the invention has the beneficial effects that:
1. the traditional motor series motion structure is changed into an integrated design structure which combines a rotor of a motor and a transmission part in a screw transmission mechanism, thereby realizing stepless adjustment of the pressing depth, improving the applicability of the cardio-pulmonary resuscitation machine, realizing miniaturization and modularization at the same time, being beneficial to the miniaturization design of the cardio-pulmonary resuscitation machine, being convenient for carrying, popularization and application of the cardio-pulmonary resuscitation machine, and leading more patients needing rescue to be rescued;
2. the position detection assembly is used through installation, the movement distance of the lead screw can be detected in real time, the reciprocating movement distance of the lead screw is prevented from deviating, damage to a patient is avoided, and the safety of the device is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of embodiment 1 of the present invention;
FIG. 3 is a schematic structural view of example 2 of the present invention;
fig. 4 is a schematic perspective view of embodiment 1 of the present invention.
In the figure: 1. a base; 2. a nut; 3. a motor stator; 4. a motor rotor; 5. a bearing; 6. a lead screw; 7. a platen; 8. a slide bar; 9. a connecting rod; 10. a probe; 11. an angle sensor; 12. a graduated ring; 13. and (6) detecting a ruler.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 3, an integrated electric pressing device for cardiopulmonary resuscitation includes a base 1, where the base 1 is used to provide a supporting platform for each mechanism in the device, the base 1 can be provided with a corresponding limiting installation structure according to the installation requirement of each mechanism, and a sliding rod 8 is fixedly installed at the upper end of the base 1. The cardiopulmonary resuscitation device is characterized by further comprising a lead screw transmission mechanism and a position detection assembly, wherein the lead screw transmission mechanism is used for converting the rotation output of the driving motor into linear reciprocating motion required in the cardiopulmonary resuscitation process, and the upper end of the lead screw transmission mechanism is connected with the sliding rod 8 in a sliding mode through the connecting rod body 9.
The screw transmission mechanism comprises a screw 6 and a transmission piece mechanically matched with the screw, a connecting rod body 9 is transversely arranged at the upper end of the screw 6, one end of the connecting rod body 9 is sleeved on a sliding rod 8, and the periphery of the transmission piece is fixedly connected with a motor rotor 4 of a driving motor.
Preferably, slide bar 8 includes many, can be the radical of two or three or other data, evenly arrange in the periphery of lead screw 6 along circumference, the fixed setting in the upper end at lead screw 6 in bottom surface middle part of connecting rod body 9, can be along with the motion of lead screw 6 and up-and-down motion, and set up a plurality of through-holes with slide bar 8 adaptation on the terminal surface of connecting rod body 9, many slide bars 8 pass the through-hole that corresponds respectively, the diameter of through-hole is greater than slide bar 8's diameter, in order to make things convenient for the up-and-down motion that slide bar 8 can be convenient, avoid receiving the resistance influence. The connecting rod body 9 and the plurality of sliding rods 8 can limit the screw rod 6 to a certain extent, so that the screw rod 6 can only move linearly along the axial direction of the base 1 and cannot rotate along the radial direction of the base 1, and the stability of the vertical movement is kept.
In one embodiment, the transmission member is composed of a nut pair 2, the nut pair 2 is sleeved on the outer side of the lead screw 6, the external thread of the lead screw 6 is matched with the internal thread of the nut pair 2, the lead screw 6 can be driven to move linearly along the axial direction by rotating the nut pair 2, and therefore a lead screw transmission mechanism is formed by matching the lead screw 6 and the nut pair 2 and can convert the rotation of the nut pair into the linear reciprocating motion of the lead screw 6.
The upper and lower both ends of the nut pair 2 are rotatably installed in the base 1 through the bearings 5 respectively, the concrete structure is that the outer side surface of the nut pair 2 is fixedly provided with a first bearing sleeve half body, the inner side surface of the base 1 is fixedly provided with a second bearing sleeve half body symmetrically arranged with the first bearing sleeve half body, the bearings 5 are installed between the first bearing sleeve half body and the second bearing sleeve half body, the structure not only provides a safe rotating space for the bearings 5, but also the nut pair 2 can rotate in the axial direction conveniently, and the bearings 5 can be driven to rotate when rotating, and the operation is convenient.
Preferably, the middle part of the first bearing half body sinks to form a first arc-shaped groove matched with the bearing 5, the middle part of the second bearing half body sinks to form a second arc-shaped groove matched with the bearing 5, the bearing 5 is arranged in the first arc-shaped groove and the second arc-shaped groove, and the structural design can further provide a more stable and reliable rotating space for the bearing 5 and improve the safety performance of the bearing.
Constitute driving motor by motor stator 3 and electric motor rotor 4, it rotates to drive the vice 2 of nut through driving motor, thereby drive lead screw 6's linear motion, just reverse through control driving motor, can control the reciprocating motion of lead screw 6, the realization is carried out cardiopulmonary resuscitation to the patient of breathing or heartbeat stop and is pressed, and the number of turns through just reversing to driving motor controls, can control the linear reciprocating motion distance of lead screw 6, the realization is to the control of pressing the degree of depth, consequently, make things convenient for the doctor to adjust according to different patient's needs and press the degree of depth, make the device have fine suitability.
It can be known from the above that, the nut pair 2 is used for transmitting the rotation of the driving motor and converting the rotation into the linear reciprocating motion of the driving screw 6, so the nut pair 2 can be replaced by a transmission component with the same function, for example, a screw rod (not shown in the figure) capable of being matched is arranged on one side of the screw rod 6, the screw rod is rotatably installed in the base 1 through a bearing 5, the screw rod is connected with a rotor of the driving motor arranged outside, the driving motor drives the screw rod to rotate, and then the screw rod drives the screw rod 6 to perform the linear reciprocating motion, and the rotation of the motor can be converted into the linear reciprocating motion of the screw rod 6.
The invention also comprises a position detection assembly, and the position detection assembly is used for detecting the distance of the linear reciprocating motion in the screw rod transmission mechanism.
Example 1:
in one embodiment, the position detection assembly comprises a detection probe 10 and a detection ruler 13, wherein the detection probe 10 is fixedly arranged at the upper end of the lead screw 6 and can move along with the movement of the lead screw 6, the detection ruler 13 is fixed on the base 1 and is arranged in parallel with the lead screw 6, and the detection ruler 13 is provided with scale marks which are uniformly distributed from bottom to top;
still include display module and control module on the driving motor, control module respectively with display module and test probe 10 electric connection, will detect through test probe 10 and detect scale signal feedback to driving motor's control module for the straight reciprocating motion of monitoring and revising lead screw 6 for the straight reciprocating motion scope of lead screw 6 accords with anticipated safety range, avoids lead screw 6's reciprocating motion distance deviation to appear, causes the damage to patient, has improved the security of device.
Meanwhile, the control module transmits the detection position signal transmitted by the detection probe 10 to the display module, and the detection position signal is displayed through the display module; the doctor can look over the actual movement distance of lead screw 6 in real time, has avoided equipment device to break down, and presses excessively or press the degree of depth inadequately to patient, influences the rescue to patient.
In the using process of the embodiment: the device is fixed on a cardio-pulmonary resuscitation machine to generate reciprocating linear motion, automatic pressing of a patient needing cardio-pulmonary resuscitation is realized, before pressing, a driving motor composed of a motor stator 3 and a motor rotor 4 is controlled, the motor rotor 4 drives a nut 2 to rotate and drives a lead screw 6 to move downwards until a pressure plate 7 below the lead screw 6 is attached to the chest of the patient, then detection data of a controller and a probe 10 are subjected to zero calibration, then depth data needing pressing is input into a driving motor controller according to the cardio-pulmonary resuscitation requirement of the patient, then the driving motor is controlled to drive the motor rotor 4 to rotate positively and negatively for a certain number of circles in a circulating mode, so that the nut 2 is driven to rotate, the upper end of the lead screw 6 is matched with a sliding rod 8 through a connecting rod 9 and cannot rotate, the nut 2 rotates relative to the lead screw 6, and the nut 2 is matched with the lead screw 6 through threads, drive lead screw 6 and carry out linear reciprocating motion along the axial, the pressure disk 7 of rethread lead screw 6 below carries out cardiopulmonary resuscitation to patient and presses, at the in-process of pressing, probe 10 real-time detection lead screw 6's movement distance to send detected information to driving motor controller, driving motor controller is according to the information of receiving, real-time check and adjustment driving motor's the number of turns that just reverses, ensure the accuracy of pressing the degree of depth, so just can safe efficient carry out cardiopulmonary resuscitation to patient and press.
Example 2:
in another embodiment, the position detecting assembly comprises a rotating member fixed on the nut pair 2 and a stationary member fixed on the base 1, the rotating member and the stationary member are arranged oppositely, the rotating member is provided with an angle sensor 11, when the nut pair 2 rotates, the rotating member is driven to rotate, the angle sensor 11 detects the rotating angle theta of the rotating member relative to the stationary member to obtain the displacement l of the linear motion of the lead screw 6,
the nut pair 2 is further provided with a dividing ring 12, when the nut pair 2 rotates, the dividing ring 12 is driven to rotate, the angle sensor 11 detects the rotation angle of the dividing ring 12, that is, the rotation angle theta of the nut pair 2 can be detected, so that the linear motion distance l of the lead screw 6 is obtained, and the linear motion distance l of the lead screw 6 is calculated through the following formula:
wherein Ph is the lead of the nut pair 2, and the lead Ph is the parameter of the nut pair 2, and when the nut pair is selected, the selection is carried out according to specific working conditions.
Similarly, when replacing the nut pair 2 with other transmission members, only the indexing ring 12 needs to be installed on the corresponding transmission member, the angle sensor 11 can detect the rotation angle of the transmission member, and the linear motion distance of the lead screw 6 can be measured through the formula.
In the using process of the embodiment: the same device is fixed on a cardiopulmonary resuscitation machine, before pressing, a driving motor composed of a motor stator 3 and a motor rotor 4 is controlled firstly, the motor rotor 4 drives a nut pair 2 to rotate, and drives a lead screw 6 to move downwards until a pressure plate 7 below the lead screw 6 is attached to the chest of a patient, then detection data of a controller and an angle sensor 11 are subjected to zero calibration, then depth data needing to be pressed are input into the driving motor controller according to the cardiopulmonary resuscitation requirement of the patient, then the driving motor is controlled to drive the motor rotor 4 to rotate positively and negatively circularly for a certain number of turns, so that the nut pair 2 is driven to rotate, the upper end of the lead screw 6 is matched with a sliding rod 8 through a connecting rod body 9 and cannot rotate, the nut pair 2 rotates relative to the lead screw 6, and the lead screw 6 is driven to perform linear reciprocating motion along the axial direction through the thread matching between the nut pair 2 and the lead screw 6, and then, cardiopulmonary resuscitation is performed on the patient through the pressure plate 7 below the screw rod 6, in the pressing process, the angle sensor 11 detects the rotation angle of the nut pair 2 in real time, the movement distance of the screw rod 6 is further calculated, the measured information is sent to the driving motor controller, and the driving motor controller checks and adjusts the number of positive and negative rotation turns of the driving motor in real time according to the received information.
Compared with the prior art, the invention has the beneficial effects that:
1. the traditional motor series motion structure is changed into an integrated design structure which combines a rotor of a motor and a transmission part in a screw transmission mechanism, thereby realizing stepless adjustment of the pressing depth, improving the applicability of the cardio-pulmonary resuscitation machine, realizing miniaturization and modularization at the same time, being beneficial to the miniaturization design of the cardio-pulmonary resuscitation machine, being convenient for carrying, popularization and application of the cardio-pulmonary resuscitation machine, and leading more patients needing rescue to be rescued;
2. the position detection assembly is used through installation, the movement distance of the lead screw can be detected in real time, the reciprocating movement distance of the lead screw is prevented from deviating, damage to a patient is avoided, and the safety of the device is improved.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected 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 through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (10)
1. The utility model provides a cardiopulmonary resuscitation is with integrated electronic press device, includes base (1) and driving motor, slide bar (8) are installed to base (1) upper end, its characterized in that still includes:
the lead screw transmission mechanism is used for converting the rotation output of the driving motor into linear reciprocating motion required in the cardio-pulmonary resuscitation process, and the upper end of the lead screw transmission mechanism is connected with the sliding rod (8) in a sliding manner through a connecting rod body (9);
and the position detection assembly is used for detecting the distance of the linear reciprocating motion in the screw rod transmission mechanism.
2. The integrated electric pressing device for cardiopulmonary resuscitation according to claim 1, wherein the screw transmission mechanism comprises a screw (6) and a transmission member mechanically engaged with the screw (6), a connecting rod body (9) is transversely disposed at an upper end of the screw (6), one end of the connecting rod body (9) is sleeved on the sliding rod (8), and an outer periphery of the transmission member is fixedly connected with the motor rotor (4) of the driving motor.
3. The integrated electric pressing device for cardiopulmonary resuscitation according to claim 2, wherein the transmission member is composed of a nut pair (2), the upper and lower ends of the nut pair (2) are rotatably mounted in the base (1) through bearings (5), the lead screw (6) is mounted in the nut pair (2), and the external thread of the lead screw (6) is matched with the internal thread of the nut pair (2).
4. The integrated electric compression device for cardiopulmonary resuscitation according to claim 3, wherein a first bearing sleeve half body is fixedly arranged on an outer side surface of the nut pair (2), a second bearing sleeve half body symmetrically arranged with the first bearing sleeve half body is fixedly arranged on an inner side surface of the base, the bearing (5) is installed between the first bearing sleeve half body and the second bearing sleeve half body, and the nut pair (2) drives the bearing (5) to rotate when rotating;
the middle of the first bearing half body is recessed to form a first arc-shaped groove matched with the bearing (5), the middle of the second bearing half body is recessed to form a second arc-shaped groove matched with the bearing (5), and the bearing (5) is arranged in the first arc-shaped groove and the second arc-shaped groove.
5. The integrated electric compression device for cardiopulmonary resuscitation according to claim 3, wherein the transmission member is formed by a screw, the screw has an internal thread matching with the external thread of the screw rod (6), and the screw is fixedly connected with the motor rotor (4).
6. The integrated electric pressing device for cardio-pulmonary resuscitation according to claim 2, wherein the position detecting assembly comprises a detecting probe (10) and a detecting ruler (13), the detecting probe (10) is fixedly arranged at the upper end of the screw rod (6), the detecting ruler (13) is fixed on the base (1) and parallel to the screw rod (6), and the detecting ruler (13) is provided with scale marks uniformly arranged from bottom to top.
The detection probe (10) is horizontally arranged on the lead screw (6) and is arranged towards the detection ruler (13), moves along with the movement of the lead screw (6), and measures the linear movement distance of the lead screw (6) by reading scale information on the detection ruler (13).
7. The integrated electric compression device for cardiopulmonary resuscitation according to claim 6, further comprising a display module and a control module on the driving motor, wherein the control module is electrically connected with the display module and the detection probe (10), respectively, and the control module receives the position signal transmitted by the detection probe (10), transmits the position signal to the display module, and displays the position signal through the display module;
meanwhile, the control module adjusts the driving force of the driving motor according to a preset movement range, so that the linear movement range of the lead screw is in accordance with an expected safety range.
8. The integrated electric compression device for cardio pulmonary resuscitation as claimed in claim 3, wherein the position detection component comprises a rotating member fixed on the nut pair (2) and a stationary member fixed on the base (1), the rotating member and the stationary member are disposed opposite to each other, the rotating member is provided with an angle sensor, the nut pair (2) rotates to drive the rotating member to rotate, the angle sensor detects the angle θ that the rotating member rotates relative to the stationary member, so as to obtain the displacement l of the linear motion of the lead screw (6),
the nut pair (2) is further provided with a dividing ring (12), the nut pair drives the dividing ring to rotate when rotating, the angle sensor obtains an angle theta of the rotating part by detecting the rotating angle of the dividing ring, and the linear motion displacement of the lead screw (6) is calculated by the following formula:
wherein Ph is the lead of the nut pair.
9. The integrated electric pressing device for cardiopulmonary resuscitation according to claim 3, wherein the nut pair (2) is L-shaped, and comprises a vertical part and a horizontal part, the vertical part is fittingly connected with the lead screw (6), the horizontal part extends outwards and is perpendicular to the vertical part, the vertical part is integrally connected with the horizontal part, the motor rotor (4) is installed on the upper end surface of the horizontal part and is fixedly connected with the nut pair (2), a motor stator (3) is fixedly installed on the inner side of the base (1), and the motor stator (3) is arranged opposite to the electronic rotor (4).
10. The integrated electric pressing device for cardiopulmonary resuscitation according to claim 2, wherein the plurality of sliding rods (8) are arranged on the periphery of the screw rod (6) along the circumferential direction, the middle of the bottom surface of the connecting rod body (9) is fixedly arranged at the upper end of the screw rod (6), a plurality of through holes adapted to the sliding rods (8) are formed in the end surface of the connecting rod body (9), the plurality of sliding rods (8) respectively pass through the corresponding through holes, and the diameter of each through hole is larger than that of each sliding rod (8).
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| CN102552015A (en) * | 2012-02-15 | 2012-07-11 | 上海亚迈森医疗科技发展有限公司 | Modular electric cardiaopulmonary resuscitation apparatus |
| CN105764469A (en) * | 2013-11-25 | 2016-07-13 | 皇家飞利浦有限公司 | Compact electro-mechanical chest compression drive |
| CN105411832A (en) * | 2015-12-29 | 2016-03-23 | 天津市普瑞仪器有限公司 | Light and handy full-electric cardio-pulmonary resuscitation device |
| CN206548795U (en) * | 2016-12-19 | 2017-10-13 | 苏州尚领医疗科技有限公司 | A kind of double lead Portable cardio-pulmonary resuscitation device |
| CN111358690A (en) * | 2020-04-09 | 2020-07-03 | 深圳市安保科技有限公司 | Cardio-pulmonary resuscitation machine |
| CN113576879A (en) * | 2021-07-30 | 2021-11-02 | 深圳市安保科技有限公司 | Pressing main body and cardiopulmonary resuscitation machine |
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Application publication date: 20220412 |