CN113599616A - Intelligent medical infusion bag switching equipment - Google Patents
Intelligent medical infusion bag switching equipment Download PDFInfo
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- CN113599616A CN113599616A CN202110906621.6A CN202110906621A CN113599616A CN 113599616 A CN113599616 A CN 113599616A CN 202110906621 A CN202110906621 A CN 202110906621A CN 113599616 A CN113599616 A CN 113599616A
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- infusion bag
- hole
- needle
- groove
- sleeve
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/1407—Infusion of two or more substances
- A61M5/1408—Infusion of two or more substances in parallel, e.g. manifolds, sequencing valves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/1413—Modular systems comprising interconnecting elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/1414—Hanging-up devices
- A61M5/1415—Stands, brackets or the like for supporting infusion accessories
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/1414—Hanging-up devices
- A61M5/1418—Clips, separators or the like for supporting tubes or leads
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16804—Flow controllers
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- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention relates to intelligent medical infusion bag switching equipment, which comprises a support (101), wherein the support is connected with a sickbed or suspended in a sickroom; the infusion bag switching mechanism (300) is arranged on the bracket (101) and is driven by a motor (201) to realize the switching of the infusion bag (102); the automatic needle inserting mechanism (400) is arranged on the bracket (101) and realizes the insertion and extraction of a needle (404) through the driving of the motor (201); the flow regulating device (500) is arranged on a motor output shaft (202) of the motor (201) and realizes the function of controlling the drip flow by the driving of the motor (201); through the structure, the functions of infusion bag switching, needle plugging and unplugging and drip flow control can be realized through independent operation of a user, and labor is saved.
Description
Technical Field
The invention relates to medical equipment, in particular to equipment capable of automatically switching infusion bags through single-person operation, which saves labor.
Background
People often meet the treatment through hanging infusion bag when sick, can meet the condition that a plurality of infusion bags used in proper order when hanging infusion bag, can cause great puzzlement for patient when the nurse is not beside and need to change infusion bag or when needing to adjust the bit speed.
Therefore, there is a need for a device that can automatically switch infusion bags and adjust the infusion speed.
Disclosure of Invention
The invention aims to provide intelligent medical infusion bag switching equipment which is simple in structure, low in cost and simple and convenient to operate.
The invention relates to an intelligent medical infusion bag switching device, which comprises
A bracket connected with a hospital bed or suspended in a hospital room;
the infusion bag switching mechanism is arranged on the bracket and is driven by a motor to realize the switching of infusion bags;
and the automatic needle inserting mechanism is arranged on the bracket and realizes the insertion and extraction of the needle through the driving of a motor.
The invention relates to intelligent medical infusion bag switching equipment, wherein an infusion bag switching mechanism comprises a rotating shaft, a transmission shaft, intermittent wheels, an infusion bag tray, a bearing, a driving plate, an intermittent groove, a driving rod, a limiting block, a limiting groove, a through hole, a transition rod and an infusion bag;
the bracket is fixed with the motor, a motor output shaft of the motor is in driving connection with one end of the transmission shaft, the other end of the transmission shaft is coaxially fixed with the drive plate, one end of the drive rod is fixedly connected with the lower end of the drive plate, the other end of the drive rod is arranged in the intermittent groove and moves along the intermittent groove, the intermittent groove is arranged on the intermittent wheel, and at least three groups of intermittent grooves are uniformly arranged in the circumferential direction of the intermittent wheel; the other end of driver plate is fixed with the stopper, the stopper configuration is in the spacing inslot rotates along it, the spacing groove is seted up on the intermittent type takes turns, the spacing groove with intermittent type groove interval configuration, the intermittent type wheel with the pivot is coaxial fixed, pivot one end is passed through the bearing is installed on the support, the pivot other end with infusion bag tray is coaxial fixed, infusion bag tray has seted up at least three along its circumference the through-hole, dispose in the through-hole infusion bag's liquid outlet, infusion bag hangs in the pivot.
The invention relates to intelligent medical infusion bag switching equipment, wherein an automatic needle inserting mechanism comprises a grooved wheel, a needle inserting rod, a guide block, a needle head, a groove, a guide hole, a needle head fixing rod and a pin shaft;
the transmission shaft is coaxially fixed with the grooved pulley, a groove is formed in the surface of the grooved pulley, the groove is in a cam shape, a pin shaft moving along the groove is arranged in the groove, the pin shaft is fixed at one end of the needle pricking rod, the middle of the needle pricking rod is sleeved in the guide hole and moves along the guide hole, the guide hole is formed in the guide block, the guide block is fixedly connected with the support, the other end of the needle pricking rod is fixed with the needle head fixing rod, the needle head is fixed at the other end of the needle head fixing rod, and the needle head is opposite to the through hole.
The invention relates to intelligent medical infusion bag switching equipment, wherein a flow regulating device of the intelligent medical infusion bag switching equipment comprises a guide pin, a first sleeve, an outer gear ring, a second sleeve, a transmission gear, a first positioning hole, a second positioning hole, a third positioning hole, a first bearing, a second bearing, a gear shaft, a first bevel gear, a second bevel gear, a lead screw, a nut, a second pressing block, a needle tube, a through hole, a pressing groove, a threaded hole, a spring, a first pressing block, a third bearing and a fourth bearing;
a motor output shaft of the motor is coaxially fixed with the first sleeve, an inner circumferential surface of the first sleeve is connected with an outer circumferential surface of the transmission shaft through a bearing, an outer circumferential surface of the first sleeve is connected with an inner circumferential surface of the second sleeve through a bearing, a side surface of the first sleeve is provided with the second positioning hole, an inner surface of the second positioning hole is fixedly connected with one end of the spring, the other end of the spring is fixedly connected with the guide pin, the guide pin can move along the second positioning hole, when the rotating speed of the first sleeve is lower than a first threshold value, the guide pin can be arranged in the first positioning hole and move along the first positioning hole, the first positioning hole is arranged on the outer circumferential surface of the transmission shaft, and when the rotating speed of the first sleeve is higher than or equal to the first threshold value, the guide pin can be arranged in the third positioning hole and move along the third positioning hole, the third positioning hole is formed in the inner circumferential surface of the second sleeve, the outer circumferential surface of the second sleeve is coaxially fixed with the outer gear ring, the outer gear ring is meshed with the transmission gear, the transmission gear is coaxially fixed with one end of the gear shaft, the gear shaft is mounted on the support through the first bearing, the first bevel gear is coaxially fixed at the other end of the gear shaft, the first bevel gear is meshed with the second bevel gear, the second bevel gear is coaxially fixed with one end of the lead screw, the lead screw is mounted on the support through the second bearing, the nut in threaded connection with the lead screw is arranged on the lead screw, the nut is fixedly connected with one end of the first pressing block, the other end of the first pressing block is arranged in the pressing groove and moves along the pressing groove, and the pressing groove is formed in the second pressing block, the second pressing block is fixed on the support and can be in lap joint with the outer circumferential surface of the tube penetrating hole, and the needle tube is arranged in the tube penetrating hole.
According to the intelligent medical infusion bag switching equipment, the through hole and the infusion bag are detachably fixed, a clamping groove is formed in the through hole, the infusion bag is provided with the clamping hook, and the clamping hook can be arranged in the clamping groove, so that the infusion bag is clamped with the through hole.
According to the intelligent medical infusion bag switching equipment, the needle inserting rod and the needle head are detachably fixed, the needle head fixing hole is formed in one end of the needle inserting rod, the threaded hole is formed in the inner circumferential surface of the needle head fixing hole, and a screw connected with the threaded hole is arranged in the threaded hole.
According to the intelligent medical infusion bag switching equipment, the second sleeve is coaxially fixed with the first belt wheel, the gear shaft is coaxially fixed with the second belt wheel, and the first belt wheel and the second belt wheel are in belt transmission.
According to the intelligent medical infusion bag switching equipment, the included angle between the perforation hole and the pressure groove is an acute angle.
The intelligent medical infusion bag switching device is further described with reference to the accompanying drawings.
Drawings
Fig. 1 is a front view of an intelligent medical infusion bag switching apparatus;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a partial top view of FIG. 2;
FIG. 4 is an enlarged view of a portion of FIG. 2;
FIG. 5 is an enlarged view of a portion of FIG. 1;
FIG. 6 is a partial left side view of FIG. 5;
FIG. 7 is an enlarged view of a portion of FIG. 1;
FIG. 8 is an enlarged partial view of FIG. 7;
fig. 9 is a partially enlarged view of fig. 7.
Detailed Description
As shown in fig. 1, the intelligent medical infusion bag switching device of the present invention comprises:
a support 101 connected to a hospital bed or suspended in a hospital room;
an infusion bag switching mechanism 300 which is installed on the bracket 101 and realizes the switching of the infusion bag 102 through the driving of a motor 201;
and the automatic needle inserting mechanism 400 is arranged on the bracket 101 and realizes the insertion and extraction of the inserting needle 404 through the driving of the motor 201.
According to the intelligent medical infusion bag switching equipment, the infusion bag switching mechanism 300 is driven by the motor 201 to realize the infusion bag switching function, and the automatic needle inserting and pulling mechanism 400 is driven by the motor 201 to realize the inserting and pulling function of the inserted needle; patient realizes two actions simultaneously through a motor, has improved the convenience of operation, has solved patient and has relied on other people just can switch infusion bag's puzzlement.
The power module of the motor 201 comprises a battery, an electric control module and a wireless communication module, and the wireless communication module is in wireless connection with the user terminal.
According to the invention, through the wireless communication module, a user can directly control the optional direction and the optional speed of the motor 201, so that the user can freely realize the switching of the infusion bag.
As a further explanation of the invention, with reference to figures 2, 3 and 4,
the infusion bag switching mechanism 300 comprises a rotating shaft 301, a transmission shaft 302, an intermittent wheel 303, an infusion bag tray 304, a bearing 305, a dial 306, an intermittent groove 307, a shifting lever 308, a limiting block 309, a limiting groove 310, a through hole 311, a transition rod 312 and an infusion bag 102;
the bracket 101 is fixed with the motor 201, a motor output shaft 202 of the motor 201 is in driving connection with one end of the transmission shaft (302), the other end of the transmission shaft 302 is coaxially fixed with the dial plate 306, the lower end of the dial plate 306 is fixedly connected with one end of the shift lever 308, the other end of the shift lever 308 is arranged in the intermittent groove 307 and moves along the intermittent groove, the intermittent groove 307 is arranged on the intermittent wheel 303, and at least three groups of intermittent grooves 307 are uniformly arranged along the circumferential direction of the intermittent wheel 303; the other end of driver plate 306 is fixed with stopper 309, stopper 309 disposes in the spacing groove 310 and rotate along it, spacing groove 310 sets up on the intermittent type wheel 303, spacing groove 310 with intermittent type groove 307 interval configuration, intermittent type wheel 303 with pivot 301 is coaxial fixed, pivot 301 one end is passed through bearing 305 installs on support 101, the pivot 301 other end with infusion bag tray 304 is coaxial fixed, infusion bag tray 304 has seted up at least threely along its circumference through-hole 311, dispose in the through-hole 311 infusion bag 102's liquid outlet, infusion bag 102 hangs in pivot 301.
According to the invention, the driving shaft 302 is driven to rotate by the motor output shaft 202 of the motor 201, the driving shaft 302 drives the driving plate 306 to rotate, the shifting lever 308 is arranged in the intermittent groove 307 and moves along the intermittent groove 307, so that the driving shaft 302 can shift the intermittent wheel 303 to rotate, the intermittent wheel 303 drives the infusion bag tray 304 to rotate through the rotating shaft 301, and therefore the switching of the infusion bag 102 is realized, and when the shifting lever 308 is separated from the intermittent groove 307, the limiting block 309 is combined with the limiting groove 310, so that the rotating shaft 301 is prevented from continuously rotating.
According to the invention, the motor 201 drives the transmission shaft 302 to rotate, so that the infusion bag switching mechanism 300 is driven to realize the switching function of the infusion bag, and the motor is used for automatically controlling, so that the labor is saved.
Wherein, the motor output shaft 202 of the motor 201 is coaxially fixed with the transmission shaft.
The invention is configured by the fixing mode, so that the structure is simpler, the failure rate is lower, and the service life is longer.
The number of the through holes 311 is equal to that of the infusion bags 102, and the number of the through holes may be 3, 4, 5, 6 or more;
wherein the number of the intermittent grooves 307 is equal to the number of the through holes 311;
wherein, the number of the limiting grooves 310 and the intermittent grooves 307 is equal and are arranged at intervals;
as a further explanation of the invention, with reference to figures 5, 6,
the automatic needle inserting mechanism 400 comprises a grooved wheel 401, a needle inserting rod 402, a guide block 403, a needle head 404, a groove 405, a guide hole 406, a needle head fixing rod 407 and a pin shaft 408;
the transmission shaft 302 is coaxially fixed with the grooved pulley 401, a groove 405 is formed in the surface of the grooved pulley 401, the groove 405 is in a cam shape, a pin shaft 408 moving along the groove 405 is arranged in the groove 405, the pin shaft 408 is fixed at one end of the needle pricking rod 402, the middle of the needle pricking rod 402 is sleeved in the guide hole 406 and moves along the guide hole 406, the guide hole 406 is formed in the guide block 403, the guide block 403 is fixedly connected with the support 101, the other end of the needle pricking rod 402 is fixed with the needle fixing rod 407, the needle 404 is fixed at the other end of the needle fixing rod 407, and the needle 404 faces the through hole 308.
In the invention, the motor output shaft 202 of the motor drives the transmission shaft 302 to rotate, the transmission shaft 302 drives the grooved pulley 401 to rotate, the grooved pulley 401 drives the needle pricking rod 402 to move through the pin shaft 408, the needle pricking rod 402 moves up and down along the guide block 406, and the needle pricking rod 402 drives the needle head fixing rod 407 to move up and down, so that the needle head 404 moves up and down to realize the plugging and unplugging function of the needle head 404.
According to the invention, the motor 201 drives the transmission shaft 302 to rotate, the grooved wheel 401 is driven to rotate, and the up-and-down movement of the needle pricking rod 402 is realized, so that the pulling-out and inserting functions of the needle head 404 are realized, and the labor is saved.
As a further explanation of the invention, with reference to figures 7, 8,
the motor output shaft 202 of the motor 201 also drives a flow regulating device 500, and the flow regulating device 500 comprises a guide pin 501, a first sleeve 502, an outer gear ring 503, a second sleeve 504, a transmission gear 505, a first positioning hole 506, a second positioning hole 507, a third positioning hole 508, a first bearing 509, a second bearing 510, a gear shaft 511, a first bevel gear 512, a second bevel gear 513, a lead screw 514, a nut 515, a second pressing block 516, a needle tube 517, a tube penetrating hole 518, a pressing groove 519, a threaded hole 520, a spring 521, a first pressing block 522, a third bearing 523 and a fourth bearing 524;
the motor output shaft 202 of the motor 201 is coaxially fixed to the first sleeve 502, the inner circumferential surface of the first sleeve 502 is connected to the outer circumferential surface of the transmission shaft 302 through a bearing, the outer circumferential surface of the first sleeve 502 is connected to the inner circumferential surface of the second sleeve 504 through a bearing, the second positioning hole 507 is formed in the side surface of the first sleeve 502, the inner surface of the second positioning hole 507 is fixedly connected to one end of the spring 519, the other end of the spring 519 is fixedly connected to the guide pin 501, the guide pin 501 is capable of moving along the second positioning hole 507, when the rotation speed of the first sleeve 502 is lower than a first threshold value, the guide pin 501 is capable of being disposed in and moving along the first positioning hole 506, the first positioning hole 506 is formed in the outer circumferential surface of the transmission shaft 302, and when the rotation speed of the first sleeve 502 is greater than or equal to the first threshold value, the guide pin 501 is disposed in and movable along the third positioning hole 508, the third positioning hole 508 is opened on the inner circumferential surface of the second sleeve 504, the outer circumferential surface of the second sleeve 504 is coaxially fixed with the outer gear 503, the outer gear 503 is engaged with the transmission gear 505, the transmission gear 505 is coaxially fixed with one end of the gear shaft 511, the gear shaft 511 is mounted on the bracket 101 through the first bearing 509, the first bevel gear 512 is coaxially fixed at the other end of the gear shaft 511, the first bevel gear 512 is engaged with the second bevel gear 513, the second bevel gear 513 is coaxially fixed with one end of the lead screw 514, the lead screw 514 is mounted on the bracket 101 through the second bearing 510, the nut 515 is disposed on the lead screw 514 in threaded connection therewith, and the nut 515 is fixedly connected with one end of the first press block 522, the other end of the first pressing block 522 is disposed in and moves along the pressing groove 519, the pressing groove 519 is formed in the second pressing block 516, the second pressing block 516 is fixed on the bracket 101, the second pressing block 516 can be overlapped with the outer circumferential surface of the through hole 518, and the needle tube 517 is disposed in the through hole 518.
According to the invention, the motor output shaft 202 of the motor 201 drives the first sleeve 502 to rotate, when the motor 201 rotates at a rotating speed less than a first preset threshold value, the guide pin 501 is simultaneously positioned in the first positioning hole 506 and the second positioning hole 507 under the action of the spring 521, so that the motor 201 drives the transmission shaft 302 to rotate, and the second sleeve 504 does not rotate.
When the motor 201 rotates at a speed greater than a first predetermined threshold, the guide pin 501 is located in the second positioning hole 507 and the third positioning hole 508 simultaneously under the action of centrifugal force, so that the motor 201 drives the second sleeve 504 to rotate while the transmission shaft 302 does not rotate, and therefore the transmission gear 505, the first bevel gear 512 and the second bevel gear 513 drive the lead screw 514 to rotate, so that the first pressing block 522 is moved, the first pressing block 522 is moved by changing the rotation direction of the motor 201 to move up and down along the pressing groove 519, so that the needle tube 517 is pressed, and the cross-sectional area of the needle tube 517 is changed, so that the flow speed of the intravenous fluid is changed.
In order to avoid the excessively fast moving speed of the first pressing block 522, a person skilled in the art can adjust the moving speed of the first pressing block 522 by adjusting the transmission ratio between the external gear 503 and the transmission gear 505 or by adjusting the screw pitch of the lead screw 514.
A speed reducer can be added to the gear shaft 511, and an output shaft of the speed reducer drives the first bevel gear 512 to rotate, so as to adjust the moving speed of the first pressing block 522.
Wherein, the number of the first positioning holes 506 can be 2, 3, 4 or more.
The number of the third positioning holes 508 may be 2, 3, 4 or more.
The first preset threshold may be: 800 revolutions per minute.
According to the infusion bag infusion set, the rotation speed of the motor 201 is controlled, so that the infusion bag switching function, the needle inserting and pulling function and the infusion flow adjusting function are respectively controlled, convenience is provided for patients, and meanwhile, labor is saved.
As a further explanation of the invention, with reference to figure 2,
the through hole 311 and the infusion bag 102 are detachably fixed;
a clamping groove is formed in the through hole 311, a clamping hook is arranged on the infusion bag 102, the clamping hook can be arranged in the clamping groove, and the infusion bag 102 is clamped with the through hole 311.
According to the invention, the passage 311 and the infusion bag 102 are detachably fixed, so that the infusion bag 102 is more stable when the needle 404 is inserted into or pulled out of the liquid outlet of the infusion bag 102.
The structure and connection mode of the hook and the slot are prior art, and are not described herein again.
When the medical care operator hangs the infusion bag 102, the liquid outlet of the infusion bag 102 is configured in the through hole 311, so that the infusion bag 102 can be stably and conveniently switched.
The through hole 311 and the infusion bag 102 are detachably fixed, the other deformation can be fixed by a screw nut, the nut is arranged on the liquid outlet of the infusion bag 102, the through hole is arranged on the infusion bag tray 304, and the screw can penetrate through the through hole and be connected with the nut to fix the liquid outlet of the infusion bag 102.
As a further explanation of the invention, with reference to figure 5,
the needle bar 402 and the needle 404 are detachably fixed, one end of the needle bar 402 is provided with the needle fixing hole 409, the inner circumferential surface of the needle fixing hole 409 is provided with a threaded hole, and a screw connected with the threaded hole is arranged in the threaded hole.
According to the invention, the needle head 404 can be conveniently replaced by detachably fixing the needle pricking rod 402 and the needle head 404, so that the time is saved.
As a further explanation of the invention, with reference to figure 9,
the second sleeve 504 is coaxially fixed with a first belt pulley 601, the gear shaft 511 is coaxially fixed with a second belt pulley 603, and the first belt pulley 601 and the second belt pulley 603 are in belt transmission through a belt 602.
In the present invention, the second sleeve 504 drives the gear shaft 511 to rotate through belt transmission.
As a further explanation of the invention, with reference to figure 7,
the included angle between the perforation hole 518 and the pressing groove 519 is an acute angle.
According to the invention, the through hole 518 and the pressure groove 519 are arranged in an acute angle, so that the flow adjusting effect of the needle tube 517 can be more finely adjusted.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (8)
1. The utility model provides a medical infusion bag of intelligence switching equipment which characterized in that: comprises that
A support (101) connected to a hospital bed or suspended in a hospital room;
the infusion bag switching mechanism (300) is arranged on the bracket (101) and is driven by a motor (201) to realize the switching of the infusion bag (102);
and the automatic needle inserting mechanism (400) is arranged on the bracket (101) and realizes the insertion and extraction of the needle (404) through the driving of the motor (201).
2. The intelligent medical infusion bag switching device of claim 1, wherein:
the infusion bag switching mechanism (300) comprises a rotating shaft (301), a transmission shaft (302), an intermittent wheel (303), an infusion bag tray (304), a bearing (305), a dial (306), an intermittent groove (307), a deflector rod (308), a limiting block (309), a limiting groove (310), a through hole (311), a transition rod (312) and an infusion bag (102);
the support (101) is fixed with the motor (201), a motor output shaft (202) of the motor (201) is in driving connection with one end of the transmission shaft (302), the other end of the transmission shaft (302) is coaxially fixed with the dial plate (306), one end of the dial plate (306) at the lower end is fixedly connected with one end of the shift lever (308), the other end of the shift lever (308) is arranged in the intermittent groove (307) and moves along the intermittent groove, the intermittent groove (307) is arranged on the intermittent wheel (303), and at least three groups of intermittent grooves (307) are uniformly arranged along the circumferential direction of the intermittent wheel (303); the other end of driver plate (306) is fixed with stopper (309), stopper (309) configuration is in the spacing groove 310) and rotate along it, spacing groove (310) are seted up on intermittent type wheel (303), spacing groove (310) with intermittent type groove (307) interval configuration, intermittent type wheel (303) with pivot (301) coaxial fixed, pivot (301) one end is passed through bearing (305) is installed on support (101), pivot (301) the other end with infusion bag tray (304) coaxial fixed, infusion bag tray (304) have been seted up at least threely along its circumference through-hole (311), dispose in through-hole (311) the liquid outlet of infusion bag (102), infusion bag (102) hang on pivot (301).
3. The intelligent medical infusion bag switching device of claim 2, wherein:
the automatic needle inserting mechanism (400) comprises a grooved wheel (401), a needle inserting rod (402), a guide block (403), a needle head (404), a groove (405), a guide hole (406), a needle head fixing rod (407) and a pin shaft (408);
the transmission shaft (302) is coaxially fixed with the grooved wheel (401), a groove (405) is formed in the surface of the grooved wheel (401), the groove (405) is in a cam shape, a pin shaft (408) moving along the groove is arranged in the groove (405), the pin shaft (408) is fixed at one end of the needle pricking rod (402), the middle of the needle pricking rod (402) is sleeved in the guide hole (406) and moves along the guide hole, the guide hole (406) is formed in the guide block (403), the guide block (403) is fixedly connected with the support (101), the other end of the needle pricking rod (402) is fixed with the needle fixing rod (407), the needle (404) is fixed at the other end of the needle fixing rod (407), and the needle (404) is right opposite to the through hole (308).
4. The intelligent medical infusion bag switching device of claim 3, wherein:
the flow rate adjusting device (500) is further driven by a motor output shaft (202) of the motor (201), and the flow rate adjusting device (500) comprises a guide pin (501), a first sleeve (502)), an outer gear ring (503), a second sleeve (504), a transmission gear (505), a first positioning hole (506), a second positioning hole (507), a third positioning hole (508), a first bearing (509), a second bearing (510), a gear shaft (511), a first bevel gear (512), a second bevel gear (513), a lead screw (514), a nut (515), a second pressing block (516), a needle tube (517), a tube penetrating hole (518), a pressing groove (519), a threaded hole (520), a spring (521), a first pressing block (522), a third bearing (523) and a fourth bearing (524);
a motor output shaft (202) of the motor (201) is coaxially fixed with the first sleeve (502), an inner circumferential surface of the first sleeve (502) is connected with an outer circumferential surface of the transmission shaft (302) through a bearing, an outer circumferential surface of the first sleeve (502) is connected with an inner circumferential surface of the second sleeve (504) through a bearing, the side surface of the first sleeve (502) is provided with the second positioning hole (507), an inner surface of the second positioning hole (507) is fixedly connected with one end of the spring (519), the other end of the spring (519) is fixedly connected with the guide pin (501), the guide pin (501) can move along the second positioning hole (507), when the rotating speed of the first sleeve (502) is lower than a first threshold value, the guide pin (501) can be arranged in and move along the first positioning hole (506), and the first positioning hole (506) is arranged on an outer circumferential surface of the transmission shaft (302), when the rotating speed of the first sleeve (502) is greater than or equal to a first threshold value, the guide pin (501) can be arranged in and move along a third positioning hole (508), the third positioning hole (508) is arranged on the inner circumferential surface of the second sleeve (504), the outer circumferential surface of the second sleeve (504) is coaxially fixed with the outer gear ring (503), the outer gear ring (503) is meshed with the transmission gear (505), the transmission gear (505) is coaxially fixed with one end of the gear shaft (511), the gear shaft (511) is installed on the bracket (101) through the first bearing (509), the first bevel gear (512) is coaxially fixed at the other end of the gear shaft (511), the first bevel gear (512) is meshed with the second bevel gear (513), and the second bevel gear (513) is coaxially fixed with one end of the lead screw (514), the lead screw (514) is installed on the support (101) through the second bearing (510), the nut (515) in threaded connection with the lead screw (514) is configured on the lead screw, the nut (515) is fixedly connected with one end of the first pressing block (522), the other end of the first pressing block (522) is configured in the pressing groove (519) and moves along the pressing groove, the pressing groove (519) is formed in the second pressing block (516), the second pressing block (516) is fixed on the support (101), the second pressing block (516) can be in lap joint with the outer circumferential surface of the through hole (518), and the needle tube (517) is configured in the through hole (518).
5. The intelligent medical infusion bag switching device according to claim 4, wherein:
the through hole (311) and the infusion bag (102) are detachably fixed, a clamping groove is formed in the through hole (311), a clamping hook is arranged on an outlet of the infusion bag (102), the clamping hook can be arranged in the clamping groove, and the outlet of the infusion bag (102) is clamped with the through hole (311).
6. The intelligent medical infusion bag switching device of claim 5, wherein:
the needle pricking rod (402) and the needle (404) are detachably fixed, one end of the needle pricking rod (402) is provided with the needle fixing hole (409), the inner circumferential surface of the needle fixing hole (409) is provided with a threaded hole, and a screw in threaded connection with the threaded hole is arranged in the threaded hole.
7. The intelligent medical infusion bag switching device of claim 6, wherein:
the second sleeve (504) is coaxially fixed with the first belt wheel (601), the gear shaft (511) is coaxially fixed with the second belt wheel (603), and the first belt wheel (601) and the second belt wheel (603) are in belt transmission through a belt (602).
8. The intelligent medical infusion bag switching device of claim 7, wherein: the included angle between the perforation hole (518) and the pressure groove (519) is an acute angle.
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