CN109223506B - External chest pressing device for cardio-pulmonary resuscitation - Google Patents

External chest pressing device for cardio-pulmonary resuscitation Download PDF

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Publication number
CN109223506B
CN109223506B CN201811391724.8A CN201811391724A CN109223506B CN 109223506 B CN109223506 B CN 109223506B CN 201811391724 A CN201811391724 A CN 201811391724A CN 109223506 B CN109223506 B CN 109223506B
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CN
China
Prior art keywords
gear
driving mechanism
chest compression
rack
cardiopulmonary resuscitation
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Application number
CN201811391724.8A
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Chinese (zh)
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CN109223506A (en
Inventor
岳恺
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Nanyang City Center Hospital
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Nanyang City Center Hospital
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Priority to CN201811391724.8A priority Critical patent/CN109223506B/en
Publication of CN109223506A publication Critical patent/CN109223506A/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61HPHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H31/00Artificial respiration or heart stimulation, e.g. heart massage
    • A61H31/004Heart stimulation
    • A61H31/006Power driven
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61HPHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/01Constructive details
    • A61H2201/0192Specific means for adjusting dimensions
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61HPHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/12Driving means
    • A61H2201/1207Driving means with electric or magnetic drive
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61HPHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2205/00Devices for specific parts of the body
    • A61H2205/08Trunk
    • A61H2205/084Chest

Abstract

The invention discloses an external chest compression device for cardio-pulmonary resuscitation, which comprises a driving mechanism and a compression pad, wherein the driving mechanism is connected with the external chest compression device; the lifting rod is arranged inside the driving mechanism in a sliding mode, the upper end of the lifting rod is fixedly connected with the driving mechanism through the telescopic spring, the lower end of the lifting rod is fixedly connected with the lifting plate, a rack is fixedly arranged on the right side of the lifting plate, a first gear, a second gear and a third gear are sequentially installed on the right side, located on the rack, of the driving mechanism in a rotating mode from top to bottom, and the first gear, the second gear and the third gear are all meshed with the rack. According to the invention, by arranging the driving mechanism with the hollow structure, when the patient is subjected to external chest compression, the number of the three rotating motors to be started is selected according to the actual situation, when the external chest compression with lower depth is performed, the rotating motors at the bottom end and the middle part are started, when the internal external chest compression is performed, the three rotating motors are started simultaneously.

Description

External chest pressing device for cardio-pulmonary resuscitation
Technical Field
The invention relates to a pressing device, in particular to an external chest pressing device for cardio-pulmonary resuscitation.
Background
Cardiopulmonary resuscitation is a critical rescue measure for critically ill patients with respiratory cardiac arrest, namely, the spontaneous pulsation which is formed by chest compression and is temporarily artificially circulated and recovered is adopted to replace spontaneous respiration. The carotid artery pulsation was observed, and when effective, one pulsation was felt after each compression. If the pulse stops after the compression stops, it indicates that the compression should be continued. If the beat persists after the cessation of compression, indicating that the patient's spontaneous heart beat has recovered, chest cardiac compression may be stopped.
The purpose of cardiopulmonary resuscitation is to open the airways, reestablish breathing and circulation. Cardiopulmonary resuscitation needs to keep the unobstructed of patient's respiratory track at first, uses simple and easy artificial respirator or mouth-to-mouth artificial respiration, observes the thorax and has the validity of deciding ventilating that does not have rhythmic uplift, when only one emergency person carries out cardiopulmonary resuscitation for patient when jointly pressing heart, should do 30 chest heart presses, carries out 2 artificial respiration in turn.
When cardiopulmonary resuscitation is performed on a patient, medical staff are used for performing chest compression on the patient to help the patient recover the pulse in the prior art, a manual compression mode needs trained medical staff, and the cardiopulmonary resuscitation is poor in effect and difficult to effectively rescue the patient for ordinary people who do not receive training; meanwhile, the chest needs to be matched with artificial respiration when being pressed, and in the prior art, medical workers need to press and carry out artificial respiration at the same time, so that the operation difficulty is high, and the effect is poor.
Disclosure of Invention
The object of the present invention is to provide an external chest compression device for cardiopulmonary resuscitation that solves the problems set forth in the background art described above.
In order to achieve the purpose, the invention provides the following technical scheme:
an external chest compression device for cardiopulmonary resuscitation, comprising a drive mechanism and a compression pad; the left side and the right side of the driving mechanism are symmetrically provided with two side plates, the left side and the right side of the driving mechanism are fixedly connected with the two side plates through a support, the outer sides of the side plates are fixedly provided with telescopic rods, and the output ends of the telescopic rods are fixedly provided with a rack; the lower part of the inner side of the side plate is provided with a sliding chute, a sliding block is slidably arranged in the sliding chute, a lifting plate is arranged on the lower side of the driving mechanism, and the left end and the right end of the lifting plate are fixedly connected with the two sliding blocks respectively; the lower side of the lifting plate is fixedly connected with a mounting plate through a connecting rod, and a pressing pad is fixedly mounted on the lower side of the mounting plate; the utility model discloses a fan-shaped gear structure, including actuating mechanism, telescopic spring, lifter, actuating mechanism's inside slidable mounting has the lifter, telescopic spring and actuating mechanism fixed connection are passed through to the upper end of lifter, the lower extreme and the lifter plate fixed connection of lifter, the right side fixed mounting of lifter plate has the rack, the inside right side from the top down that is located the rack of actuating mechanism rotates in proper order and installs first gear, second gear and third gear, first gear, second gear and third gear all with rack toothing, and first gear, second gear and third gear are the sector gear structure that the structure is the same.
As a further scheme of the invention: and the rear side of the driving mechanism is also fixedly provided with three rotating motors which drive the first gear, the second gear and the third gear to rotate.
As a still further scheme of the invention: the lower part of the rack is provided with a sliding rod in a sliding manner, the lower part of the rack is also provided with a screw rod in a rotating manner, and the lower end of the screw rod is in threaded connection with the sliding rod.
As a still further scheme of the invention: and a crank is also rotatably arranged on the rack and is in transmission connection with the upper end of the screw rod through a bevel gear set.
As a still further scheme of the invention: the downside of slide bar still is provided with the supporting leg, and the spacing groove has been seted up to the bottom of slide bar, and the upper portion slidable mounting of supporting leg is in the inside of spacing groove, and the upper portion of supporting leg passes through damping spring and slide bar fixed connection.
As a still further scheme of the invention: and the lower part of the supporting leg is also fixedly provided with an anti-skid pad.
A chest compression system for cardiopulmonary resuscitation, includes above-mentioned chest compression device for cardiopulmonary resuscitation
Compared with the prior art, the invention has the beneficial effects that:
1. the invention is provided with a hollow driving mechanism, a first gear, a second gear and a third gear are sequentially and rotatably arranged on the right side of a rack from top to bottom in the driving mechanism, the first gear, the second gear and the third gear are all meshed with the rack, the first gear, the second gear and the third gear are of sector gear structures with the same structure, when a patient is pressed outside the chest, the opening number of three rotating motors is selected according to the actual situation, when the chest pressing with lower depth is carried out, the rotating motor at the bottom end is started to drive the third gear to rotate, the rack is driven to move upwards when the third gear rotates, the lifting rod is driven to move upwards and extrude a telescopic spring, after the third gear leaves the rack, the telescopic spring drives the lifting rod to move downwards and drives the lifting plate to move downwards, when the chest pressing with lower depth is carried out, the rotating motors at the bottom end and the middle part are started, when deep chest compression is carried out, three rotating motors are started simultaneously;
2. the two sides of the driving mechanism are provided with frames, the lower portion of each frame is slidably provided with a sliding rod, the lower portion of each frame is rotatably provided with a screw rod, the lower end of each screw rod is in threaded connection with the corresponding sliding rod, the frame is rotatably provided with a crank, the crank is in transmission connection with the upper end of the corresponding screw rod through a bevel gear set, and the crank drives the sliding rods to move up and down so as to change the height of the driving mechanism and adapt to patients of different statures.
Drawings
Fig. 1 is a schematic view of a chest compression device for cardiopulmonary resuscitation.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Fig. 3 is a partially enlarged view of B in fig. 1.
Fig. 4 is a rear view of an external chest compression device for cardiopulmonary resuscitation.
In the figure: 1-driving mechanism, 2-lifting rod, 3-rack, 4-first gear, 5-second gear, 6-third gear, 7-support, 8-side plate, 9-telescopic rod, 10-frame, 11-lifting plate, 12-mounting plate, 13-pressing pad, 14-connecting rod, 15-sliding groove, 16-sliding block, 17-screw rod, 18-sliding rod, 19-crank, 20-bevel gear set, 21-damping spring, 22-limiting groove, 23-limiting block, 24-supporting leg and 25-rotating motor.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to specific embodiments.
Example 1
Referring to fig. 1-4, an external chest compression device for cardiopulmonary resuscitation includes a driving mechanism 1 and a compression pad 13; the left side and the right side of the driving mechanism 1 are symmetrically provided with two side plates 8, the left side and the right side of the driving mechanism 1 are fixedly connected with the two side plates 8 through a support 7, the outer side of each side plate 8 is fixedly provided with a telescopic rod 9, and the output end of each telescopic rod 9 is fixedly provided with a rack 10; the lower part of the inner side of the side plate 8 is provided with a sliding chute 15, a sliding block 16 is slidably arranged in the sliding chute 15, a lifting plate 11 is arranged at the lower side of the driving mechanism 1, and the left end and the right end of the lifting plate 11 are fixedly connected with the two sliding blocks 16 respectively; the lower side of the lifting plate 11 is fixedly connected with a mounting plate 12 through a connecting rod 14, the lower side of the mounting plate 12 is fixedly provided with a pressing pad 13, and the mounting plate 12 is driven to move up and down through the connecting rod 14 when the lifting plate 11 moves up and down, so that the chest of a patient is pressed through the pressing pad 13;
the driving mechanism 1 is of a hollow structure, a lifting rod 2 is slidably mounted in the driving mechanism 1, the upper end of the lifting rod 2 is fixedly connected with the driving mechanism 1 through a telescopic spring, the lower end of the lifting rod 2 is fixedly connected with a lifting plate 11, a rack 3 is fixedly mounted on the right side of the lifting plate 2, a first gear 4, a second gear 5 and a third gear 6 are sequentially and rotatably mounted on the right side of the rack 3 in the driving mechanism 1 from top to bottom, the first gear 4, the second gear 5 and the third gear 6 are all meshed with the rack 3, the first gear 4, the second gear 5 and the third gear 6 are of sector gear structures with the same structure, three rotating motors 25 for driving the first gear 4, the second gear 5 and the third gear 6 to rotate are fixedly mounted on the rear side of the driving mechanism 1, when a patient is pressed outside the chest, the opening number of the three rotating motors 25 is selected according to actual conditions, when chest compression with low depth is performed, the rotating motor 25 at the bottom end is started, so that the third gear 6 is driven to rotate, the rack 3 is driven to move upwards when the third gear 6 rotates, the lifting rod 2 is driven to move upwards and extrude the telescopic spring, after the third gear 6 leaves the rack 3, the telescopic spring drives the lifting rod 2 to move downwards and drives the lifting plate 11 to move downwards, when moderate chest compression is performed, the rotating motors 25 at the bottom end and the middle part are started, and when deep chest compression is performed, the three rotating motors 5 are started simultaneously;
the lower part of the rack 10 is provided with a sliding rod 18 in a sliding manner, the lower part of the rack 10 is also provided with a screw rod 17 in a rotating manner, the lower end of the screw rod 17 is in threaded connection with the sliding rod 18, the rack 10 is also provided with a crank 19 in a rotating manner, the crank 19 is in transmission connection with the upper end of the screw rod 17 through a bevel gear set 20, and the crank 19 drives the sliding rod 18 to move up and down so as to change the height of the driving mechanism 1, so that the driving mechanism can adapt to patients with.
Example 2
Referring to fig. 1-4, an external chest compression device for cardiopulmonary resuscitation includes a driving mechanism 1 and a compression pad 13; the left side and the right side of the driving mechanism 1 are symmetrically provided with two side plates 8, the left side and the right side of the driving mechanism 1 are fixedly connected with the two side plates 8 through a support 7, the outer side of each side plate 8 is fixedly provided with a telescopic rod 9, and the output end of each telescopic rod 9 is fixedly provided with a rack 10; the lower part of the inner side of the side plate 8 is provided with a sliding chute 15, a sliding block 16 is slidably arranged in the sliding chute 15, a lifting plate 11 is arranged at the lower side of the driving mechanism 1, and the left end and the right end of the lifting plate 11 are fixedly connected with the two sliding blocks 16 respectively; the lower side of the lifting plate 11 is fixedly connected with a mounting plate 12 through a connecting rod 14, the lower side of the mounting plate 12 is fixedly provided with a pressing pad 13, and the mounting plate 12 is driven to move up and down through the connecting rod 14 when the lifting plate 11 moves up and down, so that the chest of a patient is pressed through the pressing pad 13;
the driving mechanism 1 is of a hollow structure, a lifting rod 2 is slidably mounted in the driving mechanism 1, the upper end of the lifting rod 2 is fixedly connected with the driving mechanism 1 through a telescopic spring, the lower end of the lifting rod 2 is fixedly connected with a lifting plate 11, a rack 3 is fixedly mounted on the right side of the lifting plate 2, a first gear 4, a second gear 5 and a third gear 6 are sequentially and rotatably mounted on the right side of the rack 3 in the driving mechanism 1 from top to bottom, the first gear 4, the second gear 5 and the third gear 6 are all meshed with the rack 3, the first gear 4, the second gear 5 and the third gear 6 are of sector gear structures with the same structure, three rotating motors 25 for driving the first gear 4, the second gear 5 and the third gear 6 to rotate are fixedly mounted on the rear side of the driving mechanism 1, when a patient is pressed outside the chest, the opening number of the three rotating motors 25 is selected according to actual conditions, when chest compression with low depth is performed, the rotating motor 25 at the bottom end is started, so that the third gear 6 is driven to rotate, the rack 3 is driven to move upwards when the third gear 6 rotates, the lifting rod 2 is driven to move upwards and extrude the telescopic spring, after the third gear 6 leaves the rack 3, the telescopic spring drives the lifting rod 2 to move downwards and drives the lifting plate 11 to move downwards, when moderate chest compression is performed, the rotating motors 25 at the bottom end and the middle part are started, and when deep chest compression is performed, the three rotating motors 5 are started simultaneously;
the lower part of the rack 10 is provided with a sliding rod 18 in a sliding manner, the lower part of the rack 10 is also provided with a screw rod 17 in a rotating manner, the lower end of the screw rod 17 is in threaded connection with the sliding rod 18, the rack 10 is also provided with a crank 19 in a rotating manner, the crank 19 is in transmission connection with the upper end of the screw rod 17 through a bevel gear set 20, and the crank 19 drives the sliding rod 18 to move up and down so as to change the height of the driving mechanism 1, so that the driving mechanism can adapt to patients with.
The difference between the embodiment and embodiment 1 is that a support leg 24 is further arranged on the lower side of the slide rod 18, a limiting groove 22 is formed in the bottom of the slide rod 18, the upper portion of the support leg 24 is slidably mounted inside the limiting groove 22, the upper portion of the support leg 24 is fixedly connected with the slide rod 18 through a damping spring 21, and a non-slip mat is further fixedly mounted on the lower portion of the support leg 24, so that the stability of the support leg 24 in supporting is improved.
The invention is provided with a hollow driving mechanism, a first gear, a second gear and a third gear are sequentially and rotatably arranged on the right side of a rack from top to bottom in the driving mechanism, the first gear, the second gear and the third gear are all meshed with the rack, the first gear, the second gear and the third gear are of sector gear structures with the same structure, when a patient is pressed outside the chest, the opening number of three rotating motors is selected according to the actual situation, when the chest pressing with lower depth is carried out, the rotating motor at the bottom end is started to drive the third gear to rotate, the rack is driven to move upwards when the third gear rotates, the lifting rod is driven to move upwards and extrude a telescopic spring, after the third gear leaves the rack, the telescopic spring drives the lifting rod to move downwards and drives the lifting plate to move downwards, when the chest pressing with lower depth is carried out, the rotating motors at the bottom end and the middle part are started, when deep chest compression is carried out, three rotating motors are started simultaneously; the two sides of the driving mechanism are provided with frames, the lower portion of each frame is slidably provided with a sliding rod, the lower portion of each frame is rotatably provided with a screw rod, the lower end of each screw rod is in threaded connection with the corresponding sliding rod, the frame is rotatably provided with a crank, the crank is in transmission connection with the upper end of the corresponding screw rod through a bevel gear set, and the crank drives the sliding rods to move up and down so as to change the height of the driving mechanism and adapt to patients of different statures.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (7)

1. An external chest compression device for cardiopulmonary resuscitation comprising a drive mechanism (1) and a compression pad (13); the left side and the right side of the driving mechanism (1) are symmetrically provided with two side plates (8), the left side and the right side of the driving mechanism (1) are fixedly connected with the two side plates (8) through a support (7), the outer sides of the side plates (8) are fixedly provided with telescopic rods (9), and the output ends of the telescopic rods (9) are fixedly provided with a rack (10); the lower part of the inner side of the side plate (8) is provided with a sliding chute (15), a sliding block (16) is arranged in the sliding chute (15) in a sliding manner, a lifting plate (11) is arranged on the lower side of the driving mechanism (1), and the left end and the right end of the lifting plate (11) are respectively fixedly connected with the two sliding blocks (16); the lower side of the lifting plate (11) is fixedly connected with a mounting plate (12) through a connecting rod (14), the lower side of the mounting plate (12) is fixedly provided with a pressing pad (13), the device is characterized in that a lifting rod (2) is slidably arranged in the driving mechanism (1), the upper end of the lifting rod (2) is fixedly connected with the driving mechanism (1) through a telescopic spring, the lower end of the lifting rod (2) is fixedly connected with a lifting plate (11), a rack (3) is fixedly arranged on the right side of the lifting plate (2), a first gear (4), a second gear (5) and a third gear (6) are sequentially and rotatably arranged on the right side of the rack (3) in the driving mechanism (1) from top to bottom, the first gear (4), the second gear (5) and the third gear (6) are all meshed with the rack (3), and the first gear (4), the second gear (5) and the third gear (6) are sector gear structures with the same structure.
2. The chest compression device for cardiopulmonary resuscitation as claimed in claim 1, wherein the rear side of the driving mechanism (1) is further fixedly mounted with three rotating motors (25) driving the first gear (4), the second gear (5) and the third gear (6) to rotate.
3. The chest compression device for cardiopulmonary resuscitation as claimed in claim 2, wherein the lower portion of the frame (10) is slidably mounted with a slide bar (18), the lower portion of the frame (10) is also rotatably mounted with a screw (17), and the lower end of the screw (17) is in threaded connection with the slide bar (18).
4. The chest compression device for cardiopulmonary resuscitation as claimed in claim 3, wherein the frame (10) further rotatably mounts a crank (19), the crank (19) is drivingly connected with the upper end of the screw (17) through a bevel gear set (20).
5. The chest compression device for cardiopulmonary resuscitation according to claim 3, wherein a support leg (24) is further disposed at a lower side of the slide bar (18), a limit groove (22) is formed at a bottom of the slide bar (18), an upper portion of the support leg (24) is slidably mounted inside the limit groove (22), and an upper portion of the support leg (24) is fixedly connected with the slide bar (18) through a damping spring (21).
6. The chest compression device for cardiopulmonary resuscitation as claimed in claim 5, wherein a non-slip pad is further fixedly mounted to the lower portion of the support legs (24).
7. Chest compression system for cardiopulmonary resuscitation comprising a chest compression device for cardiopulmonary resuscitation as claimed in claim 1.
CN201811391724.8A 2018-11-21 2018-11-21 External chest pressing device for cardio-pulmonary resuscitation Active CN109223506B (en)

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CN109223506A (en) 2019-01-18

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