CN112245704A

CN112245704A - Device for transfusion

Info

Publication number: CN112245704A
Application number: CN202011074919.7A
Authority: CN
Inventors: 邱亦钊
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-01-22

Abstract

The invention discloses a device for transfusion, which comprises a transfusion bag, support body and transfer line body, be equipped with the drain pipe on the infusion bag, be equipped with the plug in the drain pipe, be equipped with sharp drive assembly and level sensor on the support body, support body one end is equipped with the universal wheel, the support body other end is equipped with servo motor, be equipped with the carousel on the servo motor output, be equipped with a plurality of mounting hole on the carousel, be equipped with on the lateral wall in the mounting hole with drain pipe phase-match positioning mechanism and photoelectric sensor, be equipped with pjncture needle and drip the kettle on the transfer line body, pjncture needle one end is run through the plug and is located the transfer line bag, the pjncture needle other end communicates with the transfer line body mutually and can dismantle with sharp drive assembly and be connected, level sensor is located between pjn. The invention has the beneficial effects that: the dressing change operation can be automatically completed.

Description

Device for transfusion

Technical Field

The invention relates to the technical field of infusion devices, in particular to a device for infusion.

Background

The clinical intravenous transfusion treatment method is a commonly used treatment method when people are ill. Although the science and technology are developed more and more, the traditional infusion mode is improved greatly, most devices still need to manually observe the residual medicine amount in the infusion bag, and then call a nurse to change the medicine, so that serious consequences such as blood return of a patient and even air entering a blood vessel are prevented.

Along with the rapid change of the rhythm of life, the residual medicine quantity of the infusion bag is always concerned and a nurse is called to change the medicine, so that the precious time of the patient and the family members is wasted, the rest of the patient is influenced, the rehabilitation is not facilitated, the burden of accompanying the family members is increased, and the workload of the nurse is increased.

Disclosure of Invention

The invention provides a transfusion device without calling a nurse to change the medicine, aiming at overcoming the defects that the residual medicine amount in a transfusion bag needs to be observed at any time manually and the nurse is called to change the medicine in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme:

a device for transfusion comprises a transfusion bag, a bracket body and a transfusion tube body, wherein a liquid outlet tube is arranged on the transfusion bag, a rubber plug is arranged in the liquid outlet tube, a linear driving assembly and a liquid level sensor are arranged on the bracket body, a plurality of universal wheels which are uniformly distributed are arranged at one end of the bracket body, a servo motor is arranged at the other end of the bracket body, one end of the servo motor is arranged in the bracket body, the other end of the servo motor is an output end and is positioned outside the bracket body, a rotary disc is arranged at the output end of the servo motor, a plurality of mounting holes which are uniformly distributed are arranged on the rotary disc, a positioning mechanism and a photoelectric sensor which are matched with the liquid outlet tube are arranged on the inner side wall of each mounting hole, a puncture needle and a drip cup are arranged on the transfusion tube body, one end of the puncture needle penetrates through the rubber plug and is positioned in, the liquid level sensor is positioned between the puncture needle and the drip cup, one end of the liquid level sensor is detachably connected with the support body, and the other end of the liquid level sensor is detachably connected with the infusion tube body.

The infusion bag is provided with a liquid outlet pipe, a rubber plug is arranged in the liquid outlet pipe, the bracket body is provided with a linear driving assembly and a liquid level sensor, one end of the bracket body is provided with a plurality of universal wheels which are uniformly distributed, the other end of the bracket body is provided with a servo motor, one end of the servo motor is arranged in the bracket body, the other end of the servo motor is an output end and is positioned outside the bracket body, the output end of the servo motor is provided with a turntable, the turntable is provided with a plurality of mounting holes which are uniformly distributed, the inner side wall of each mounting hole is provided with a positioning mechanism and a photoelectric sensor which are matched with the liquid outlet pipe, the infusion tube body is provided with a puncture needle and a drip cup, one end of the puncture needle penetrates through the rubber plug and is positioned in the infusion bag, the liquid level sensor is positioned between the puncture needle and the drip cup, one end of the liquid level sensor is detachably connected with the support body, and the other end of the liquid level sensor is detachably connected with the infusion tube body. The mounting holes are uniformly distributed on the rotary table, so that the pulse number of the servo motor can be conveniently set, and the rotary table is driven by the servo motor to rotate at the same angle when changing the dressing each time; when preparing transfusion, a nurse only needs to insert the liquid outlet pipes of a plurality of bags of transfusion bags into corresponding mounting holes, the photoelectric sensors in the mounting holes transmit signals to the controller, and the controller calculates the times of dressing change; the positioning mechanism positions the liquid outlet pipe, so that the puncture needle can be conveniently plugged and pulled by the linear driving assembly to perform the dressing change operation; during the infusion, this internal liquid medicine of transfer line flows into the transfer line through the pjncture needle originally internally, and input human vein through the transfer line body, when level sensor detects this internal liquid medicine liquid level of transfer line that can dismantle the junction with it and descend, with signal transmission in the controller, the pjncture needle is extracted to controller control linear drive subassembly, then servo motor drives the carousel and rotates certain angle and make the infusion bag in next mounting hole be located with the corresponding position department of pjncture needle, linear drive subassembly passes through the plug with the pjncture needle and inserts this infusion bag in, accomplish the operation of changing dressings, need not the artifical surplus dose of observing in the infusion bag constantly, make patient can obtain the rest of more time, practice thrift family members's time of accompanying, reached simultaneously and need not to call the nurse to change dressings.

As preferred, the left and right sides of drain pipe all is equipped with a plurality of along its length direction evenly distributed with positioning mechanism assorted draw-in groove, the cross sectional shape of drain pipe is waist shape, the surface at the length direction place of drain pipe cross section is the plane, the surface at the width direction place of drain pipe cross section is the arcwall face, the draw-in groove is located the arcwall face. The liquid outlet pipe is matched with the positioning mechanism through a clamping groove on the arc-shaped surface to position the infusion bag, so that the linear driving assembly can drive the puncture needle to be inserted and pulled in the vertical direction conveniently to perform the dressing change operation; when the liquid medicine in the infusion bag is used up, the liquid outlet pipe is transversely rotated for 90 degrees, so that the clamping groove is separated from the positioning mechanism through rotation, the infusion bag is conveniently taken out from the mounting hole, the design is reasonable, and the operation is simple.

Preferably, the positioning mechanism comprises two sets of one-way transmission assemblies, the two sets of one-way transmission assemblies are distributed in a bilateral symmetry mode by taking the liquid outlet pipe as the center, two grooves corresponding to the one-way transmission assemblies one to one are formed in the mounting holes, the one-way positioning assemblies are mounted in the grooves, the grooves are located at one ends of the mounting holes, and the photoelectric sensors are located at the other ends of the mounting holes. When the drain pipe inserted in the mounting hole, the light in the mounting hole received the influence, and photoelectric sensor is convenient for convert light signal into the signal of telecommunication and gives the controller, calculates the number of times that will change dressings by the controller.

Preferably, the one-way transmission assembly comprises two transmission wheels and a transmission belt, wherein one transmission wheel is positioned between the other transmission wheel and the photoelectric sensor, the two transmission wheels are respectively sleeved at two ends of the transmission belt, one transmission wheel is in transmission connection with the other transmission wheel through the transmission belt, the inner surface of the transmission belt is meshed with the transmission wheel, the outer surface of the transmission belt is provided with a plurality of clamping teeth matched with the clamping grooves, a rotating shaft is arranged at the center of the transmission wheel, the transmission wheel is rotatably connected with one side of the groove through the rotating shaft, a ratchet wheel is arranged on the rotating shaft of one transmission wheel, the ratchet wheel is fixedly connected with the rotating shaft, a barrier strip is arranged in the groove, one end of the barrier strip is connected with the other side of the groove through a torsion spring, and the other. In the process that a nurse inserts a liquid outlet pipe on a transfusion bag into the mounting hole downwards, the transmission belt is matched with a clamping groove on the liquid outlet pipe through the clamping teeth, so that the liquid outlet pipe moves downwards to a proper position along the mounting hole, and then the nurse releases the hand; the design of the ratchet wheel ensures that the transmission belt can only transmit downwards in a one-way, so that the infusion bag is prevented from moving upwards, and the puncture needle is conveniently inserted into the rubber plug by the linear driving assembly; when the straight line drive assembly is along the vertical direction to pull out pjncture needle from the plug downwards and prepare for changing dressings, because infusion bag's width is greater than the internal diameter of mounting hole, the carousel has certain limiting displacement to infusion bag during this time, is convenient for straight line drive assembly to pull out pjncture needle, reasonable in design.

Preferably, one side of the transmission belt is close to the central axis of the mounting hole, the other side of the transmission belt corresponding to the transmission belt is far away from the central axis of the mounting hole, and the shortest distance from one side of the transmission belt on one group of unidirectional transmission assemblies close to the central axis of the mounting hole to one side of the transmission belt on the other group of unidirectional transmission assemblies close to the central axis of the mounting hole is smaller than the inner diameter of the mounting hole. The design is convenient for the drain pipe to pass through draw-in groove on the arcwall face and the latch phase-match on the driving belt and make the drain pipe can slide in the mounting hole, and reasonable in design is simple.

As preferred, the support body includes the base, and a plurality of universal wheel evenly distributed is in the bottom of base, the top of base is equipped with the stay tube, the one end of stay tube and the central fixed connection of base, servo motor installs in the other end of stay tube and is located the stay tube, servo motor's output is located the stay tube outside, level sensor can dismantle with the support body and be connected, the center of base is equipped with the cavity, the cavity is linked together with the stay tube, be equipped with the rectangular hole on the stay tube, the rectangular hole is located between servo motor and the level sensor, the one end of sharp drive assembly is located the cavity, the other end of sharp drive assembly runs through the stay tube in proper order and the rectangular hole can dismantle with the pjncture needle and. The universal wheels are designed to facilitate the movement of the bracket body, so that the labor is saved; the linear driving assembly is arranged in the support body, so that the appearance of the support body is simple and attractive, a certain protection effect is achieved on the linear driving assembly, and the service life of the linear driving assembly is prolonged.

Preferably, the length direction of the rectangular hole is parallel to the central axis of the support tube. The design is convenient for the straight line drive assembly to drive the puncture needle to insert and pull up and down.

Preferably, the linear driving assembly comprises an electric cylinder and a support plate, the electric cylinder is installed in the cavity, an extension shaft is arranged on the output end of the electric cylinder, the extension shaft is located in the support pipe, the electric cylinder is fixedly connected with the support plate through the extension shaft, the support plate is connected with the support pipe in a vertical sliding mode through a rectangular hole, one end of the support plate is fixedly connected with the extension shaft and located in the support pipe, and the other end of the support plate is detachably connected with the puncture needle and located outside the support pipe. When the liquid level sensor detects that the liquid level of liquid medicine in the infusion tube body detachably connected with the liquid level sensor drops, a signal is transmitted to the controller, the controller controls the electric cylinder to work, and the electric cylinder drives the support plate to move downwards through the telescopic shaft to pull out the puncture needle; then servo motor drives the carousel and rotates certain angle and make the infusion bag in next mounting hole be located the position department corresponding with the pjncture needle, and the work of electric jar is continued to control by the controller, and the electric jar drives the mounting panel to shift up and inserts the pjncture needle in this infusion bag through the plug through the telescopic shaft, accomplishes the operation of changing dressings, need not the artifical residual dose in the observation infusion bag constantly, and need not to call the nurse and change dressings, has alleviateed nurse's work load greatly.

Preferably, the support plate comprises a transverse plate and an inclined plate, the transverse plate is perpendicular to the telescopic shaft, the transverse plate is connected with the support tube in a vertical sliding mode through a rectangular hole, one end of the transverse plate is fixedly connected with the telescopic shaft, the other end of the transverse plate is fixedly connected with the inclined plate, the shortest distance from one end of the inclined plate fixedly connected with the transverse plate to the rotary table is larger than the shortest distance from the other end of the inclined plate to the rotary table, a U-shaped groove is formed in the other end of the inclined plate, and an I-shaped clamping block matched with the U-shaped groove is arranged at one end, communicated with the infusion tube body. The pjncture needle passes through the I-shaped fixture block to be installed in U type inslot, and the nurse of being convenient for of design like this operates fast, and save time improves work efficiency, and the design of hang plate helps improving the positional stability of pjncture needle simultaneously, prevents that the pjncture needle from breaking away from U type groove and can't realize changing dressings the operation.

Preferably, the center of the bottom of the rotary table is fixedly connected with the output end of the servo motor, and the mounting holes are uniformly distributed on the rotary table by taking the output end of the servo motor as the center and form a circular ring shape, so that when the rotary table rotates by the same angle each time, the liquid outlet pipe on the infusion bag in the next mounting hole is just positioned at the position corresponding to the puncture needle, and the design is reasonable; the top center of carousel is equipped with the connecting rod, the one end and the carousel fixed connection of connecting rod, the other end of connecting rod is equipped with alarm lamp and bee calling organ, be equipped with display panel on the stay tube, be equipped with the controller in the display panel. When the last bag of infusion bag finishes infusing, level sensor signals for the controller, and the work of alarm lamp and bee calling organ is controlled to the controller to remind nurse and patient that the infusion finishes, in order to prevent to cause serious consequences such as patient's blood return even air gets into blood vessel.

The invention has the beneficial effects that: the operation of changing the medicine is automatically finished, the residual medicine amount in the infusion bag does not need to be observed at any time manually, so that the patient can have a rest for more time, the accompanying time of family members is saved, a nurse does not need to be called to change the medicine, and the workload of the nurse is reduced; the infusion device can remind nurses and patients of finishing infusion so as to prevent serious consequences such as blood return of the patients and even air entering blood vessels; the design is reasonable.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is a cross-sectional view A-A of FIG. 1;

FIG. 4 is a schematic view of the configuration of FIG. 3 with the drain tube positioned in the mounting hole;

FIG. 5 is a schematic view of the outlet tube in the mounting hole of FIG. 3 removed after being rotated 90 degrees;

fig. 6 is a schematic structural view of the bracket plate.

In the figure: 1. the infusion bag comprises an infusion bag body, a bracket body, a transfusion tube body, a liquid outlet tube, a linear driving assembly, a liquid level sensor, a universal wheel, a servo motor, a turntable 9, a mounting hole 10, a positioning mechanism 11, a photoelectric sensor 12, a puncture needle 13, a drip cup 14, a clamping groove 15, a one-way transmission assembly 16, a groove 17, a driving wheel 18, a driving belt 19, a clamping tooth 20, a rotating shaft 21, a ratchet wheel 22, a baffle bar 23, a base 24, a supporting tube 25, a cavity 26, a rectangular hole 27, an electric cylinder 28, a bracket plate 29, a telescopic shaft 30, a telescopic shaft 31, a transverse plate 32, an inclined plate 32, a U-shaped groove 33, an I-shaped groove 34, a clamping block 35, a connecting rod 36, an alarm lamp and a display panel 37.

Detailed Description

The invention is further described with reference to the following figures and detailed description.

In the embodiment shown in fig. 1, a device for infusion includes an infusion bag 1, a support body 2 and an infusion tube body 3, a liquid outlet tube 4 is arranged on the infusion bag 1, a rubber plug is arranged in the liquid outlet tube 4, a linear driving assembly 5 and a liquid level sensor 6 are arranged on the support body 2, a plurality of universal wheels 7 which are uniformly distributed are arranged at one end of the support body 2, a servo motor 8 is arranged at the other end of the support body 2, one end of the servo motor 8 is arranged in the support body 2, the other end of the servo motor 8 is an output end and is positioned outside the support body 2, a rotary table 9 is arranged at the output end of the servo motor 8, a plurality of mounting holes 10 which are uniformly distributed are arranged on the rotary table 9, as shown in fig. 1 and fig. 2, a positioning mechanism 11 and a photoelectric sensor 12 which are matched with the liquid outlet tube 4 are arranged on the, the one end of pjncture needle 13 runs through the plug and is located infusion bag 1, and the other end of pjncture needle 13 is linked together and can dismantle with sharp drive assembly 5 with transfer line body 3 and be connected, and level sensor 6 is located between pjncture needle 13 and the drip cup 14, and level sensor 6's one end can be dismantled with support body 2 and be connected, and level sensor 6's the other end can be dismantled with transfer line body 3 and be connected.

As shown in fig. 2, fig. 3, fig. 4 and fig. 5, the left and right sides of the liquid outlet pipe 4 are provided with a plurality of clamping grooves 15 which are uniformly distributed along the length direction and are matched with the positioning mechanism 11, the cross section of the liquid outlet pipe 4 is waist-shaped, the surface of the cross section of the liquid outlet pipe 4 in the length direction is a plane, the surface of the cross section of the liquid outlet pipe 4 in the width direction is an arc-shaped surface, and the clamping grooves 15 are positioned on the arc-shaped surface.

As shown in fig. 2, the positioning mechanism 11 includes two sets of unidirectional transmission assemblies 16, the two sets of unidirectional transmission assemblies 16 are distributed in bilateral symmetry with the liquid outlet pipe 4 as the center, two grooves 17 corresponding to the unidirectional transmission assemblies 16 one to one are arranged in the mounting hole 10, the unidirectional positioning assemblies are mounted in the grooves 17, the grooves 17 are located at one end of the mounting hole 10, and the photoelectric sensor 12 is located at the other end of the mounting hole 10.

As shown in fig. 2, 4 and 5, the unidirectional transmission assembly 16 comprises two transmission wheels 18 and a transmission belt 19, one of the driving wheels 18 is positioned between the other driving wheel 18 and the photoelectric sensor 12, the two driving wheels 18 are respectively sleeved at two ends of the driving belt 19, one of the driving wheels 18 is in transmission connection with the other driving wheel 18 through a driving belt 19, the inner surface of the driving belt 19 is meshed with the driving wheels 18, a plurality of clamping teeth 20 matched with the clamping grooves 15 are arranged on the outer surface of the driving belt 19, a rotating shaft 21 is arranged in the center of the driving wheel 18, the driving wheels 18 are in rotation connection with one side of the groove 17 through the rotating shaft 21, a ratchet wheel 22 is arranged on a rotating shaft 21 of one of the driving wheels 18, the ratchet wheel 22 is fixedly connected with the rotating shaft 21, a barrier strip 23 is arranged in the groove 17, one end of the barrier strip 23 is connected with the other side of the groove 17 through a torsion spring in a shaft coupling mode, and the other end of the barrier strip 23 is meshed with the ratchet wheel 22.

As shown in fig. 2, one side of the driving belt 19 is close to the central axis of the mounting hole 10, and the other corresponding side of the driving belt 19 is far away from the central axis of the mounting hole 10, wherein the shortest distance from one side of the driving belt 19 on one set of unidirectional transmission assemblies 16 close to the central axis of the mounting hole 10 to one side of the driving belt 19 on the other set of unidirectional transmission assemblies 16 close to the central axis of the mounting hole 10 is smaller than the inner diameter of the mounting hole 10.

As shown in fig. 1, the support body 2 includes a base 24, the plurality of universal wheels 7 are uniformly distributed at the bottom of the base 24, a supporting tube 25 is arranged at the top of the base 24, one end of the supporting tube 25 is fixedly connected with the center of the base 24, the servo motor 8 is installed at the other end of the supporting tube 25 and is located in the supporting tube 25, the output end of the servo motor 8 is located outside the supporting tube 25, the liquid level sensor 6 is detachably connected with the support body 2, a cavity 26 is arranged at the center of the base 24, the cavity 26 is communicated with the supporting tube 25, a rectangular hole 27 is arranged on the supporting tube 25, the rectangular hole 27 is located between the servo motor 8 and the liquid level sensor 6, one end of the linear driving component 5 is located in the cavity 26, and the other end of the linear. The length direction of the rectangular hole 27 is parallel to the central axis of the support tube 25.

As shown in fig. 1, the linear driving assembly 5 includes an electric cylinder 28 and a support plate 29, the electric cylinder 28 is installed in the cavity 26, an extension shaft 30 is disposed on an output end of the electric cylinder 28, the extension shaft 30 is located in the support tube 25, the electric cylinder 28 is fixedly connected with the support plate 29 through the extension shaft 30, the support plate 29 is slidably connected with the support tube 25 up and down through a rectangular hole 27, one end of the support plate 29 is fixedly connected with the extension shaft 30 and located in the support tube 25, and the other end of the support plate 29 is detachably connected with the puncture needle 13 and located outside the support tube 25.

As shown in fig. 1 and 6, the support plate 29 includes a horizontal plate 31 and an inclined plate 32, the horizontal plate 31 is perpendicular to the telescopic shaft 30, the horizontal plate 31 is connected with the support tube 25 through the rectangular hole 27 in a vertically sliding manner, one end of the horizontal plate 31 is fixedly connected with the telescopic shaft 30, the other end of the horizontal plate 31 is fixedly connected with the inclined plate 32, the shortest distance from one end of the inclined plate 32 fixedly connected with the horizontal plate 31 to the rotating disc 9 is greater than that from the other end of the inclined plate 31 to the rotating disc 9, the other end of the inclined plate 32 is provided with a U-shaped groove 33, and one end of the puncture needle 13 communicated with the infusion tube body 3 is provided with an i-.

As shown in fig. 1, the bottom center of carousel 9 and servo motor 8's output fixed connection, a plurality of mounting hole 10 use servo motor 8's output as center evenly distributed on carousel 9 and constitute a ring shape, the top center of carousel 9 is equipped with connecting rod 35, the one end and the carousel 9 fixed connection of connecting rod 35, the other end of connecting rod 35 is equipped with alarm lamp 36 and bee calling organ, be equipped with display panel 37 on the stay tube 25, be equipped with the controller in the display panel.

Setting the pulse number of the servo motor 8, so that the servo motor 8 drives the rotary table 9 to rotate at the same angle when changing the dressing each time; when preparing infusion, a nurse only needs to insert the liquid outlet pipes 4 of a plurality of bags of infusion bags 1 into the corresponding mounting holes 10, the photoelectric sensors 12 in the mounting holes 10 convert optical signals into electric signals to be transmitted to the controller, and the controller calculates the times of dressing change; in the process that a nurse inserts a liquid outlet pipe 4 on an infusion bag 1 downwards into a mounting hole 10, a transmission belt 19 is matched with a clamping groove 15 on the liquid outlet pipe 4 through a clamping tooth 20 so that the liquid outlet pipe 4 moves downwards to a proper position along the mounting hole 10, the hand is loosened, then a puncture needle 13 is installed in a U-shaped groove 33 on a support plate 29 through an I-shaped clamping block 34, the infusion tube body 3 is connected onto a liquid level sensor 6, finally an electric cylinder 28 is started to insert the puncture needle 13 into a rubber plug, the ratchet 22 enables the transmission belt 19 to only carry out downward one-way transmission at the moment to prevent the infusion bag 1 from moving upwards, and therefore the electric cylinder 28 drives the support plate 29 to upwards insert the puncture needle 13 into the rubber plug through a telescopic shaft; during infusion, liquid medicine in the infusion tube body 3 flows into the infusion tube body 3 through the puncture needle 13 and is input into a human vein through the infusion tube body 3, when the liquid level sensor 6 detects that the liquid level of the liquid medicine in the infusion tube body 3 detachably connected with the liquid level sensor falls, a signal is transmitted to the controller, the controller controls the electric cylinder 28 to work, the electric cylinder 28 drives the support plate 29 to move downwards through the telescopic shaft 30 to pull out the puncture needle 13 from the rubber plug, and at the moment, because the width of the infusion bag 1 is larger than the inner diameter of the mounting hole 10, the turntable 9 has a certain limiting effect on the infusion bag 1; then the servo motor 8 drives the rotary table 9 to rotate a certain angle to enable the infusion bag 1 in the next mounting hole 10 to be located at the position corresponding to the puncture needle 13, the controller continuously controls the electric cylinder 28 to work, the electric cylinder 28 drives the support plate 29 to move upwards through the telescopic shaft 30 again to insert the puncture needle 13 into the infusion bag 1 through the rubber plug, and the dressing change operation is completed; when the liquid medicine in the infusion bag 1 is used up, the liquid outlet pipe 4 is transversely rotated by 90 degrees, so that the clamping groove 15 is separated from the clamping teeth 20 through rotation, and the infusion bag 1 is conveniently taken out from the mounting hole 10.

When the last bag of infusion bag 1 finishes infusing, the liquid level sensor 6 sends a signal to the controller, and the controller controls the alarm lamp 36 and the buzzer to work so as to remind nurses and patients that the infusion is finished, so that serious consequences such as blood return of the patients and even air entering blood vessels are prevented.

Claims

1. A device for transfusion is characterized by comprising a transfusion bag (1), a support body (2) and a transfusion tube body (3), wherein a liquid outlet pipe (4) is arranged on the transfusion bag (1), a rubber plug is arranged in the liquid outlet pipe (4), a linear driving assembly (5) and a liquid level sensor (6) are arranged on the support body (2), a plurality of universal wheels (7) which are uniformly distributed are arranged at one end of the support body (2), a servo motor (8) is arranged at the other end of the support body (2), one end of the servo motor (8) is arranged in the support body (2), the other end of the servo motor (8) is an output end and is positioned outside the support body (2), a turntable (9) is arranged at the output end of the servo motor (8), a plurality of mounting holes (10) which are uniformly distributed are arranged on the turntable (9), be equipped with on the inside wall of mounting hole (10) with drain pipe (4) assorted positioning mechanism (11) and photoelectric sensor (12), be equipped with pjncture needle (13) and drip kettle (14) on transfer line body (3), the one end of pjncture needle (13) is run through the plug and is located infusion bag (1), the other end of pjncture needle (13) is linked together and can dismantle with sharp drive assembly (5) and be connected with transfer line body (3), level sensor (6) are located between pjncture needle (13) and drip kettle (14), the one end and the support body (2) of level sensor (6) can be dismantled and be connected, the other end and transfer line body (3) of level sensor (6) can be dismantled and be connected.

2. The device for transfusion according to claim 1, wherein the left and right sides of the liquid outlet tube (4) are respectively provided with a plurality of clamping grooves (15) which are uniformly distributed along the length direction and matched with the positioning mechanism (11), the cross section of the liquid outlet tube (4) is waist-shaped, the surface of the cross section of the liquid outlet tube (4) in the length direction is a plane, the surface of the cross section of the liquid outlet tube (4) in the width direction is an arc-shaped surface, and the clamping grooves (15) are positioned on the arc-shaped surface.

3. The device for infusion according to claim 2, wherein the positioning mechanism (11) comprises two sets of unidirectional transmission assemblies (16), the two sets of unidirectional transmission assemblies (16) are symmetrically distributed in the left-right direction around the liquid outlet pipe (4), two grooves (17) corresponding to the unidirectional transmission assemblies (16) one by one are arranged in the mounting hole (10), the unidirectional positioning assemblies are arranged in the grooves (17), the grooves (17) are positioned at one end of the mounting hole (10), and the photoelectric sensor (12) is positioned at the other end of the mounting hole (10).

4. The device for transfusion according to claim 3, wherein the one-way transmission assembly (16) comprises two transmission wheels (18) and a transmission belt (19), one of the transmission wheels (18) is located between the other transmission wheel (18) and the photoelectric sensor (12), the two transmission wheels (18) are respectively sleeved at two ends of the transmission belt (19), one of the transmission wheels (18) is in transmission connection with the other transmission wheel (18) through the transmission belt (19), the inner surface of the transmission belt (19) is meshed with the transmission wheels (18), the outer surface of the transmission belt (19) is provided with a plurality of clamping teeth (20) matched with the clamping grooves (15), the center of the transmission wheel (18) is provided with a rotating shaft (21), the transmission wheel (18) is rotatably connected with one side of the groove (17) through the rotating shaft (21), the rotating shaft (21) of one of the transmission wheels (18) is provided with a ratchet wheel (22), ratchet (22) and pivot (21) fixed connection, be equipped with blend stop (23) in recess (17), the torsional spring coupling is passed through with the opposite side of recess (17) to the one end of blend stop (23), the other end and the ratchet (22) of blend stop (23) mesh mutually.

5. The device for infusion according to claim 4, wherein one side of the driving belt (19) is close to the central axis of the mounting hole (10), the other corresponding side of the driving belt (19) is far away from the central axis of the mounting hole (10), and the shortest distance from one side of the driving belt (19) of one set of unidirectional transmission assemblies (16) close to the central axis of the mounting hole (10) to one side of the driving belt (19) of the other set of unidirectional transmission assemblies (16) close to the central axis of the mounting hole (10) is smaller than the inner diameter of the mounting hole (10).

6. The device for transfusion according to claim 1, wherein the support body (2) comprises a base (24), a plurality of universal wheels (7) are uniformly distributed at the bottom of the base (24), a support tube (25) is arranged at the top of the base (24), one end of the support tube (25) is fixedly connected with the center of the base (24), the servo motor (8) is arranged at the other end of the support tube (25) and is positioned in the support tube (25), the output end of the servo motor (8) is positioned outside the support tube (25), the liquid level sensor (6) is detachably connected with the support body (2), a cavity (26) is arranged at the center of the base (24), the cavity (26) is communicated with the support tube (25), a rectangular hole (27) is arranged on the support tube (25), and the rectangular hole (27) is positioned between the servo motor (8) and the liquid level sensor (6), one end of the linear driving component (5) is positioned in the cavity (26), and the other end of the linear driving component (5) sequentially penetrates through the supporting tube (25) and the rectangular hole (27) to be detachably connected with the puncture needle (13).

7. An infusion device according to claim 6, wherein the rectangular aperture (27) has a length which is parallel to the central axis of the support tube (25).

8. The device for transfusion according to claim 6 or 7, wherein the linear driving assembly (5) comprises an electric cylinder (28) and a support plate (29), the electric cylinder (28) is installed in the cavity (26), an extension shaft (30) is arranged at the output end of the electric cylinder (28), the extension shaft (30) is located in the support tube (25), the electric cylinder (28) is fixedly connected with the support plate (29) through the extension shaft (30), the support plate (29) is vertically and slidably connected with the support tube (25) through a rectangular hole (27), one end of the support plate (29) is fixedly connected with the extension shaft (30) and located in the support tube (25), and the other end of the support plate (29) is detachably connected with the puncture needle (13) and located outside the support tube (25).

9. An infusion set in accordance with claim 8, characterized in that the holder plate (29) comprises a cross plate (31) and an inclined plate (32), the transverse plate (31) is vertical to the telescopic shaft (30), the transverse plate (31) is connected with the supporting tube (25) in a vertical sliding way through the rectangular hole (27), one end of the transverse plate (31) is fixedly connected with the telescopic shaft (30), the other end of the transverse plate (31) is fixedly connected with the inclined plate (32), the shortest distance from one end of the inclined plate (32) fixedly connected with the transverse plate (31) to the rotary table (9) is larger than that from the other end of the inclined plate to the rotary table (9), the other end of the inclined plate (32) is provided with a U-shaped groove (33), and one end of the puncture needle (13) communicated with the infusion tube body (3) is provided with an I-shaped fixture block (34) matched with the U-shaped groove (33).

10. The device for transfusion according to claim 6, wherein the center of the bottom of the rotary table (9) is fixedly connected with the output end of the servo motor (8), the plurality of mounting holes (10) are uniformly distributed on the rotary table (9) by taking the output end of the servo motor (8) as the center and form a ring shape, the center of the top of the rotary table (9) is provided with a connecting rod (35), one end of the connecting rod (35) is fixedly connected with the rotary table (9), the other end of the connecting rod (35) is provided with an alarm lamp (36) and a buzzer, the support tube (25) is provided with a display panel (37), and a controller is arranged in the display panel.