CN112535776B - Automatic bottle changing device for transfusion - Google Patents
Automatic bottle changing device for transfusion Download PDFInfo
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- CN112535776B CN112535776B CN202011489593.4A CN202011489593A CN112535776B CN 112535776 B CN112535776 B CN 112535776B CN 202011489593 A CN202011489593 A CN 202011489593A CN 112535776 B CN112535776 B CN 112535776B
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- planet carrier
- lifting
- rotation
- locking
- puncture needle
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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
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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
- A61M5/168—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
- A61M5/16827—Flow controllers controlling delivery of multiple fluids, e.g. sequencing, mixing or via separate flow-paths
-
- 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
- A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
- A61M5/1684—Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion
- A61M5/16845—Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion by weight
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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
An automatic bottle changing device for transfusion belongs to the technical field of medical appliances. The mounting rack (14) is mounted on one side of an inner gear ring (5) of the planetary gear train (6) and synchronously moves along with the inner gear ring (5), the puncture needle (3) is mounted on the mounting rack (14) in a lifting mode, the puncture needle (3) is connected with a planet carrier (15) of the planetary gear train (6) through a transmission mechanism and lifts along with the rotation of the planet carrier (15), a lifting locking mechanism (18) is arranged between the transmission mechanism and the planet carrier (15), the inner gear ring (5) is connected with a rotating locking mechanism (19), and the power device is connected with the sun gear (17) and drives the sun gear (17) to rotate. The automatic bottle changing device for infusion has the advantages of high bottle changing speed, convenience and accurate control over the position of the puncture needle, capability of ensuring that the puncture needle is aligned with an infusion bottle, and stable operation of equipment.
Description
Technical Field
An automatic transfusion bottle changing device belongs to the technical field of medical instruments.
Background
China is a large population country, and medical development is an important guarantee of national development, however, most of the traditional infusion modes use manual bottle replacement, and the bottle replacement operation process is simple and has strong repeatability.
The utility model discloses an application number is 201620901644.2's chinese utility model patent discloses an automatic infusion of medical care trades needle device, it drives the needle lift through the needle motor of pricking to it has realized the rotation of infusion bottle through step motor to realize trading the bottle automatically, but it is through two motor drive, has following problem: 1) the bottle changing action is realized through the two motors, so that the problem that the two motors interfere with each other is avoided, after the conveying bottle rotates to a position, the conveying bottle can move only by pricking after waiting for a certain time, the bottle changing is finished, and the bottle changing speed is slow; 2) the stepping motor drives the infusion bottle to rotate, and because the infusion bottle has large weight and large inertia, the infusion bottle is difficult to stop immediately when being conveyed in place, so that the needle insertion is difficult to align with the infusion bottle, and the work is unstable; 3) in order to realize the precise control of the needle insertion and the infusion bottle, two servo motors or stepping motors are needed, which results in high equipment cost.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: overcomes the defects of the prior art, and provides the automatic transfusion bottle changing device which can realize quick and accurate bottle changing and has low production cost.
The technical scheme adopted by the invention for solving the technical problems is as follows: this automatic bottle device that trades of infusion, including infusion bottle support and set up the pjncture needle of holding in the palm the downside at infusion bottle, its characterized in that: the puncture needle is arranged on the mounting rack in a lifting way, the puncture needle is connected with a planet carrier of the planetary gear train through a transmission mechanism and lifts along with the rotation of the planet carrier, a lifting locking mechanism is arranged between the transmission mechanism and the planet carrier, the inner gear ring is connected with a rotation locking mechanism, and the power device is connected with a sun gear and drives the sun gear to rotate.
Preferably, the lifting locking mechanism and the rotating locking mechanism are both ratchet mechanisms, and the locking directions of the lifting locking mechanism and the rotating locking mechanism are opposite. The lifting locking mechanism and the rotating locking mechanism are ratchet mechanisms, the mounting frame and the inner gear ring are locked in a mechanical mode, the locking is reliable, the conversion speed is high, the lifting and the rotation of the puncture needle are respectively controlled through the forward rotation and the reverse rotation of the power device, and the control is convenient.
Preferably, the lifting locking mechanism comprises a lifting locking pawl and a lifting locking ratchet wheel, the lifting locking ratchet wheel is coaxially mounted on the planet carrier and synchronously rotates along with the planet carrier, the lifting locking pawl is mounted on the mounting frame, and a lifting locking spring for pushing the lifting locking pawl to be meshed with the lifting locking ratchet wheel is arranged between the mounting frame and the lifting locking pawl.
Preferably, the rotation locking mechanism comprises a rotation locking ratchet wheel and a rotation locking pawl, the rotation locking ratchet wheel is coaxially arranged outside the inner gear ring and synchronously rotates along with the inner gear ring, the rotation locking pawl is arranged on one side of the rotation locking ratchet wheel, and the rotation locking pawl is connected with a rotation locking spring which pushes the rotation locking pawl to be meshed with the rotation locking ratchet wheel.
Preferably, the transmission mechanism comprises a transmission shaft and a slider-crank mechanism, the transmission shaft is rotatably mounted on the mounting frame, the transmission shaft is connected with the planet carrier and keeps synchronous rotation with the planet carrier, the power input end of the slider-crank mechanism is connected with the transmission shaft, and the power output end of the slider-crank mechanism is connected with the puncture needle. The planet carrier is connected with the puncture needle through the slider-crank mechanism, so that the lifting stroke of the puncture needle is stable, and the reliable butt joint of the puncture needle and an infusion bottle is further ensured.
Preferably, the transmission shaft is perpendicular to the central line of the planet carrier, the planet carrier is provided with a driving bevel gear, and the transmission shaft is provided with a driven bevel gear meshed with the driving bevel gear. The planet carrier is connected with the transmission shaft through the bevel gear pair, so that the transmission direction of power is conveniently changed.
Preferably, the crank-slider mechanism comprises a crank wheel, a connecting rod, a slider and a guide rod, the guide rod is vertically installed on the installation frame, the slider is slidably installed on the guide rod, the crank wheel is installed on the transmission shaft, one end of the connecting rod is hinged to the side portion of the crank wheel, the other end of the connecting rod is hinged to the slider, and the puncture needle is installed on the upper side of the slider. The puncture needle is arranged on the sliding block and synchronously ascends and descends along with the sliding block, and the sliding block is arranged on the guide rod in a sliding mode, so that the puncture needle is ensured to ascend and descend stably.
Preferably, the infusion bottle support comprises a limiting ring and a bearing ring which are arranged from top to bottom at intervals, and the diameter of the bearing ring is smaller than that of the limiting ring. The limiting ring can limit the infusion bottle, the infusion bottle is guaranteed to be vertical, and the supporting ring supports the infusion bottle, so that the infusion bottle can be conveniently taken and placed.
Compared with the prior art, the invention has the beneficial effects that:
the ascending and descending of the puncture needle of the automatic bottle changing device for infusion are driven by the power device, the production cost of equipment is reduced, the rotation and the ascending and descending of the puncture needle are driven by the power device, seamless conversion can be realized by two actions, the problem of mutual interference does not exist between the two actions, the bottle changing speed is high, the power device drives the puncture needle to rotate, the weight of the puncture needle is determined, the position of the puncture needle can be conveniently and accurately controlled, the puncture needle can be guaranteed to be aligned with an infusion bottle, and the stable operation of the equipment is guaranteed.
Drawings
Fig. 1 is a perspective view of an automatic infusion bottle changing device.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Fig. 3 is a schematic perspective view of the planetary gear train.
Fig. 4 is a partially enlarged view of fig. 3 at B.
Fig. 5 is a partially enlarged view of C in fig. 3.
In the figure: 1. the device comprises a frame 2, a transfusion bottle holder 201, a limiting ring 202, a bearing ring 3, a puncture needle 4, a slider-crank mechanism 5, an inner gear ring 6, a planetary gear train 7, a slider 8, a guide rod 9, a connecting rod 10, a crank wheel 11, a transmission shaft 12, a driven bevel gear 13, a driving bevel gear 14, a mounting rack 15, a planetary carrier 16, a planetary gear 17, a sun gear 18, a lifting locking mechanism 19, a rotation locking mechanism 20, a synchronizing shaft 21, a lifting locking ratchet wheel 22, a lifting locking pawl 23, a rotation locking ratchet wheel 24, a mounting rod 25 and a rotation locking pawl.
Detailed Description
Fig. 1 to 5 are preferred embodiments of the present invention, and the present invention will be further described with reference to fig. 1 to 5.
An automatic bottle changing device for transfusion comprises a transfusion bottle holder 2, a puncture needle 3 arranged on the lower side of the transfusion bottle holder 2, a planetary gear train 6, a mounting frame 14 and a power device, wherein the mounting frame 14 is mounted on one side of an inner gear ring 5 of the planetary gear train 6 and synchronously moves along with the inner gear ring 5, the puncture needle 3 is mounted on the mounting frame 14 in a lifting mode, the puncture needle 3 is connected with a planet carrier 15 of the planetary gear train 6 through a transmission mechanism and lifts along with the rotation of the planet carrier 15, a lifting locking mechanism 18 is arranged between the transmission mechanism and the planet carrier 15, the inner gear ring 5 is connected with a rotation locking mechanism 19, and the power device is connected with a sun gear 17 and drives the sun gear 17 to rotate. This automatic bottle changing device's of infusion pjncture needle 3 goes up and down and rotates all to drive through power device, the manufacturing cost of equipment has been reduced, the rotation and the lift of pjncture needle 3 all drive through power device, seamless conversion can be realized to two actions, there is not mutual interference's problem between two actions, it is fast to change the bottle, power device drives pjncture needle 3 and rotates, the weight of pjncture needle 3 is confirmed, convenient accurate control pjncture needle 3's position, can guarantee that pjncture needle 3 and infusion bottle are adjusted well, guarantee equipment job stabilization.
The present invention is further described with reference to the following detailed description, however, it should be understood by those skilled in the art that the detailed description given herein with respect to the accompanying drawings is for better explanation and that the present invention is not necessarily limited to the specific embodiments, but rather, for equivalent alternatives or common approaches, may be omitted from the detailed description, while still remaining within the scope of the present application.
Specifically, the method comprises the following steps: as shown in FIGS. 1-2: the automatic transfusion bottle changing device further comprises a frame 1, a transfusion bottle support 2 is mounted at the top of the frame 1, a planetary gear train 6 is mounted at the bottom of the frame 1, and a power device is arranged at the lower side of the planetary gear train 6 and is a motor in the embodiment, and the motor is mounted on the frame 1. A plurality of the transfusion bottle holders 2 are evenly distributed at intervals around the central line of the planetary gear train 6, and in the embodiment, four transfusion bottle holders 2 are evenly distributed at intervals around the central line of the planetary gear train 6. In this embodiment, the motor is a stepper motor.
Each infusion bottle support 2 comprises a limiting ring 201 and a supporting ring 202, the limiting ring 201 and the supporting ring 202 are horizontally arranged, the limiting rings 201 are arranged on the upper side of the supporting ring 202 at intervals, the limiting rings 201 and the supporting ring 202 are coaxially arranged, the diameter of each limiting ring 201 is larger than that of the corresponding supporting ring 202, the limiting rings 201 can limit infusion bottles, the infusion bottles are guaranteed to be vertical, the supporting rings 202 can support the infusion bottles, and the puncture action of the puncture needles 3 cannot be hindered.
As shown in FIGS. 3-5: the planetary gear train 6 comprises a sun gear 17, a planetary gear 16, a planet carrier 15 and an inner gear ring 5, wherein the sun gear 17 is vertically arranged, the sun gear 17 is rotatably installed at the bottom of the rack 1, the sun gear 17 is connected with an output shaft of a motor and synchronously rotates along with the output shaft of the motor, and the sun gear 17 is positioned in the middle of the four infusion bottle holders 2. The inner gear ring 5 is coaxially sleeved outside the sun gear 17, and the inner gear ring 5 is rotatably installed on the rack 1. The planetary gears 16 are arranged between the internal gear ring 5 and the sun gear 17, a plurality of the planetary gears 16 are uniformly distributed at intervals around the sun gear 17, in the embodiment, three planetary gears 16 are uniformly distributed at intervals around the sun gear 17, and the planetary gears 16 are simultaneously meshed with the sun gear 17 and the internal gear ring 5.
The mounting frame 14 is mounted on the inner gear ring 5 and synchronously rotates along with the inner gear ring 5, the puncture needle 3 is mounted on the mounting frame 14 in a lifting mode, the puncture needle 3 is connected with the planet carrier 15 through the transmission mechanism, and the lifting locking mechanism 18 is arranged between the transmission mechanism and the planet carrier 15 and can lock the lifting of the puncture needle 3. A rotation locking mechanism 19 is arranged between the inner gear ring 5 and the frame 1 and can lock the inner gear ring 5. The switching between the ascending and descending of the puncture needle 3 and the rotation of the puncture needle 3 can be realized by the ascending and descending locking mechanism 18 and the rotation locking mechanism 19, and the switching is convenient. The rotation locking mechanisms 19 are provided in number around the ring gear 5, and in this embodiment, four rotation locking mechanisms 19 are evenly spaced around the ring gear 5.
The rotation locking mechanism 19 is a ratchet mechanism, the rotation locking mechanism 19 comprises a rotation locking ratchet wheel 23 and a rotation locking pawl 25, the rotation locking ratchet wheel 23 is coaxially arranged at the outer side of the inner gear ring 5 and keeps synchronous rotation with the inner gear ring 5, and the rotation locking ratchet wheel 23 is arranged at the bottom of the inner gear ring 5. The rotating locking pawl 25 is mounted on the rack 1 through a mounting rod 24, the mounting rod 24 is vertically arranged, the lower end of the mounting rod 24 is connected with the rack 1, the upper end of the mounting rod 24 is rotatably connected with the transfer locking pawl 25, a rotating locking spring is arranged between the rotating locking pawl 25 and the mounting rod 24, and the rotating locking spring pushes the rotating locking pawl 25 to be meshed with the rotating locking ratchet wheel 23.
The transmission mechanism comprises a transmission shaft 11 and a slider-crank mechanism 4, the transmission shaft 11 is rotatably mounted on the upper side of the mounting frame 14, and the transmission shaft 11 is arranged along the radial direction of the inner gear ring 5. The upper side of the planet carrier 15 is provided with a synchronizing shaft 20, the synchronizing shaft 20 is vertically arranged, the lower end of the synchronizing shaft 20 is connected with the planet carrier 15, the axis of the synchronizing shaft 20 coincides with the axis of the planet carrier 15, and the lower end of the synchronizing shaft 20 is fixedly connected with the planet carrier 15 and synchronously rotates along with the planet carrier 15. The upper end of the synchronizing shaft 20 is provided with a driving bevel gear 13, one end of the transmission shaft 11 close to the synchronizing shaft 20 is coaxially provided with a driven bevel gear 12, and the driven bevel gear 12 is meshed with the driving bevel gear 13, so that the transmission shaft 11 synchronously rotates along with the rotation of the planet carrier 15. The middle part of the synchronizing shaft 20 is rotatably connected with the mounting frame 14, and the lifting locking mechanism 18 is arranged between the mounting frame 14 and the synchronizing shaft 20.
The lifting locking mechanism 18 is also a ratchet mechanism, the lifting locking mechanism 18 comprises a lifting locking ratchet 21 and a lifting locking pawl 22, the lifting locking ratchet 21 is coaxially sleeved outside the synchronizing shaft 20 and synchronously rotates with the synchronizing shaft 20, the lifting locking pawl 22 is rotatably installed on the mounting frame 14, a lifting locking spring is arranged between the lifting locking pawl 22 and the mounting frame 14, and the lifting locking spring pushes the lifting locking pawl 22 to be meshed with the lifting locking ratchet 21. The lift lock pawl 22 and the rotation lock pawl 25 are oriented in opposite directions.
Slider-crank mechanism 4 includes slider 7, connecting rod 9, crank wheel 10 and guide bar 8, 8 vertical settings of guide bar, guide bar 8 is installed on mounting bracket 14, crank wheel 10 coaxial arrangement is on transmission shaft 11, and rotate along with it is synchronous, slider 7 slidable mounting is on guide bar 8, connecting rod 9 sets up between crank wheel 10 and slider 7, the one end of connecting rod 9 is articulated with the lateral part of crank wheel 10, the other end is articulated with slider 7, slider 7's lift has been realized, pjncture needle 3 is installed on slider 7, and go up and down along with slider 7. An elastic clamping head is arranged on the sliding block 7 and used for clamping the puncture needle 3.
The using method of the automatic transfusion bottle changing device comprises the following steps: the bottom of the transfusion bottle support 2 can be provided with a weight sensor to detect the weight of the transfusion bottle. When the weight of the infusion bottle is lower than the threshold value, the motor rotates forwards and drives the sun gear 17 to rotate forwards, at the moment, the inner gear ring 5 is limited by the rotation locking pawl 25 to move, only the inner planetary gear 16 rotates around the sun gear 17 and drives the planet carrier 15 to rotate, the synchronous shaft 20 drives the transmission shaft 11 to rotate, and then the puncture needle 3 descends and drives the needle head to move downwards to be pulled out of the infusion bottle.
When the sliding block 7 moves to the stroke bottom dead center, the sliding block collides with a stroke switch arranged on the rack 1, the motor rotates reversely and drives the sun gear 17 to rotate reversely, at this time, the rotation locking pawl 25 on the outer side of the inner gear ring 5 does not play a limiting role, the lifting locking pawl 22 locks the synchronizing shaft 20, namely, the planet carrier 15 is locked, at this time, the sun gear 17 drives the inner gear ring 5 to rotate through the planet gear 16, and the planet gear 16 is an idler gear, so that the rotation of the puncture needle 3 is realized.
When the puncture needle 3 reaches the top dead center of the stroke, the stroke switch on the frame 1 is triggered, the motor rotates forwards again, so that the puncture needle 3 moves upwards and is inserted into an infusion bottle, and the action of changing the bottle is completed.
When the weight sensor detects that the liquid level in the infusion bottle is low for a long time, the weight sensor indicates that all the liquid in the bottles is completely infused and sends a signal to a nurse station through the Internet of things to prompt medical staff to diagnose the infusion bottle.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.
Claims (4)
1. The utility model provides an automatic bottle device that trades of infusion, includes that infusion bottle holds in the palm (2) and sets up pjncture needle (3) in infusion bottle support (2) downside, its characterized in that: the puncture needle device is characterized by further comprising a planetary gear train (6), a mounting rack (14) and a power device, wherein the mounting rack (14) is mounted on one side of an inner gear ring (5) of the planetary gear train (6) and synchronously moves along with the inner gear ring (5), the puncture needle (3) is mounted on the mounting rack (14) in a lifting mode, the puncture needle (3) is connected with a planet carrier (15) of the planetary gear train (6) through a transmission mechanism and lifts along with the rotation of the planet carrier (15), a lifting locking mechanism (18) is arranged between the transmission mechanism and the planet carrier (15), the inner gear ring (5) is connected with a rotating locking mechanism (19), and the power device is connected with a sun gear (17) and drives the sun gear to rotate;
the lifting locking mechanism (18) comprises a lifting locking pawl (22) and a lifting locking ratchet wheel (21), the lifting locking ratchet wheel (21) is coaxially arranged on the planet carrier (15) and synchronously rotates along with the planet carrier, the lifting locking pawl (22) is arranged on the mounting frame (14), and a lifting locking spring for pushing the lifting locking pawl to be meshed with the lifting locking ratchet wheel (21) is arranged between the mounting frame (14) and the lifting locking pawl (22); the transmission mechanism comprises a transmission shaft (11) and a slider-crank mechanism (4), the transmission shaft (11) is rotatably mounted on the mounting frame (14), the transmission shaft (11) is connected with the planet carrier (15) and keeps synchronous rotation with the planet carrier (15), the power input end of the slider-crank mechanism (4) is connected with the transmission shaft (11), and the power output end of the slider-crank mechanism is connected with the puncture needle (3); the transmission shaft (11) is perpendicular to the central line of the planet carrier (15), the planet carrier (15) is provided with a driving bevel gear (13), and the transmission shaft (11) is provided with a driven bevel gear (12) which is meshed with the driving bevel gear (13); crank block mechanism (4) including crank wheel (10), connecting rod (9), slider (7) and guide bar (8), vertical the installing on mounting bracket (14) of guide bar (8), slider (7) slidable mounting is on guide bar (8), crank wheel (10) are installed on transmission shaft (11), the one end of connecting rod (9) is articulated with the lateral part of crank wheel (10), the other end is articulated with slider (7), the upside at slider (7) is installed in pjncture needle (3).
2. The automatic bottle changing device for infusion according to claim 1, wherein: the lifting locking mechanism (18) and the rotating locking mechanism (19) are both ratchet mechanisms, and the locking directions of the lifting locking mechanism (18) and the rotating locking mechanism (19) are opposite.
3. The automatic bottle changing device for infusion according to claim 1 or 2, wherein: the rotation locking mechanism (19) comprises a rotation locking ratchet wheel (23) and a rotation locking pawl (25), the rotation locking ratchet wheel (23) is coaxially arranged outside the inner gear ring (5) and synchronously rotates along with the inner gear ring (5), the rotation locking pawl (25) is arranged on one side of the rotation locking ratchet wheel (23), and the rotation locking pawl (25) is connected with a rotation locking spring which pushes the rotation locking pawl to be meshed with the rotation locking ratchet wheel (23).
4. The automatic bottle changing device for infusion according to claim 1, wherein: the infusion bottle support (2) comprises a limiting ring (201) and a bearing ring (202) which are arranged from top to bottom at intervals, and the diameter of the bearing ring (202) is smaller than that of the limiting ring (201).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011489593.4A CN112535776B (en) | 2020-12-16 | 2020-12-16 | Automatic bottle changing device for transfusion |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011489593.4A CN112535776B (en) | 2020-12-16 | 2020-12-16 | Automatic bottle changing device for transfusion |
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| CN112535776A CN112535776A (en) | 2021-03-23 |
| CN112535776B true CN112535776B (en) | 2022-07-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113069643B (en) * | 2021-04-01 | 2022-11-18 | 许昌格锐特机械有限公司 | Infusion medicine bubble elimination equipment |
| CN113616875A (en) * | 2021-09-07 | 2021-11-09 | 淄博职业学院 | Infusion self-heating and bottle changing device for nursing |
| CN113730716B (en) * | 2021-10-18 | 2023-11-28 | 韩家裕 | Quick blood transfusion frame for emergency department |
| CN116077762A (en) * | 2023-01-09 | 2023-05-09 | 苏州慧尔生医疗科技有限公司 | Transfusion clamping mechanism |
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| CN206007705U (en) * | 2016-06-29 | 2017-03-15 | 广东工业大学 | A kind of changing bottle of infusion device |
| CN206372337U (en) * | 2016-08-19 | 2017-08-04 | 刘浩 | Automatic decanting device is used in one kind transfusion |
| CN107185076A (en) * | 2017-07-25 | 2017-09-22 | 湖南丹尼尔智能科技有限公司 | A kind of Medical multifunctional Infusion support |
| CN107875473A (en) * | 2017-11-09 | 2018-04-06 | 安徽普生源生物科技有限公司 | Medical infusion rod capable of automatically replacing medicine bottle |
| CN108392691A (en) * | 2018-04-21 | 2018-08-14 | 邢明的 | A kind of medical changing liquid automatically infusion support |
| CN108643616A (en) * | 2018-06-13 | 2018-10-12 | 重庆如虹文化传播有限责任公司 | A kind of activity square stage structure |
| CN108815637A (en) * | 2018-07-26 | 2018-11-16 | 夏明爱 | A kind of automatic infusion robot |
| CN209611868U (en) * | 2018-09-17 | 2019-11-12 | 华中科技大学同济医学院附属协和医院 | A kind of infusion automatic dressing changing device with alarm prompt function |
| CN209818659U (en) * | 2019-02-14 | 2019-12-20 | 绵阳市中联机器制造有限公司 | Sun wheel transmission connecting mechanism |
| CN110584972A (en) * | 2019-10-10 | 2019-12-20 | 河南省洛阳正骨医院（河南省骨科医院） | Spinal column auxiliary treatment device for spinal surgery |
| CN110833280A (en) * | 2019-11-22 | 2020-02-25 | 东莞市星火齿轮有限公司 | Rotary type automatic lifting handrail |
| CN111359051A (en) * | 2020-03-23 | 2020-07-03 | 王磊 | Clinical medicine injection device that uses of cardiovascular and cerebrovascular |
| CN211699481U (en) * | 2020-05-18 | 2020-10-16 | 郑州科技学院 | Teaching demonstration device of mechanical transmission structure |
| CN111658880A (en) * | 2020-06-19 | 2020-09-15 | 徐柳 | Infusion support with automatic liquid changing function |
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Inventor after: Wang Yanjuan Inventor after: Li Qiang Inventor after: Qu Jungang Inventor after: Hu Xiaoqing Inventor after: Zhang Yanzhi Inventor after: Zou Huiyong Inventor after: Zhang Qian Inventor after: Yang Chunmiao Inventor after: Wang Xinpei Inventor after: Zhang Jindao Inventor after: Li Yuehui Inventor before: Wang Yanjuan Inventor before: Li Qiang Inventor before: Qu Jungang Inventor before: Hu Xiaoqing Inventor before: Zhang Yanzhi Inventor before: Zou Huiyong Inventor before: Zhang Qian Inventor before: Yang Chunmiao Inventor before: Wang Xinpei Inventor before: Zhang Jindao Inventor before: Li Yuehui |