CN113476691A

CN113476691A - Medical infusion device

Info

Publication number: CN113476691A
Application number: CN202110794475.2A
Authority: CN
Inventors: 汪莉; 许令祥
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2021-10-08

Abstract

The invention relates to the technical field of medical instruments, in particular to a medical infusion apparatus which comprises a controller main body, wherein a positioning seat, a driving seat and an installation mechanism are sequentially arranged on the upper end face of the controller main body from left to right, sliding rails are symmetrically arranged between the positioning seat and the driving seat, the sliding rails are fixed with the upper end face of the controller main body, the driving seat is movably connected with the controller main body through the sliding rails and moves left and right, and a screw rod is arranged between the two sliding rails. According to the invention, the installation mechanism is matched with the stepping motor, the injectors with different diameters can be fixedly installed by using the installation mechanism, the clamping and fixing effects are excellent, compared with the existing rigid clamping and fixing mode, the structure of the device can not generate large extrusion damage to the surface of the injector, and meanwhile, the stepping motor can be used for rotating forward and backward by 0-30 degrees in the process of pushing the injector by using the lead screw matched with the driving seat, so that the liquid medicine in the injector is uniformly shaken, and the liquid medicine is fully mixed and reacted.

Description

Medical infusion device

Technical Field

The invention relates to the technical field of medical instruments, in particular to a medical infusion apparatus.

Background

The infusion pump is one of medical infusion devices, is usually a mechanical or electronic control device, achieves the purpose of controlling the infusion speed by acting on an infusion catheter, and is usually used for the conditions that the infusion amount and the drug amount need to be strictly controlled, such as when boosting drugs, anti-arrhythmia drugs, infant intravenous infusion or intravenous anesthesia are applied;

in the second phase of volume 9 of 2 months of 2011 of the general nursing, the safety hidden troubles and countermeasures existing in the clinical use of the micro-injection pump are mentioned, because a disposable syringe is not proper in size, a needle tube clamp is not firmly fixed when the micro-injection pump is used, so that the needle tube slides down, the liquid medicine is excessive, and the treatment effect of the micro-injection pump on a patient is influenced;

a syringe pump of the existing patent (publication number: CN209004877U), relate to the medical apparatus field, its technical scheme main points are including the body, control panel, power cord, feed screw, mount pad, positioning seat, slide rail and footstock, the inspirator is installed on mount pad, also include the installation device that can mount the inspirator of different size firmly; the mounting device comprises a mounting plate, a jacking screw, a baffle plate and an embedded groove arranged on the baffle plate. The utility model discloses a solved when changing the syringe of equidimension not, syringe fixing device is not good to the fixed effect of less syringe, may be when promoting the plunger rod of syringe together with the problem that the syringe promoted, lets the staff more swift when the installation syringe for the syringe of equidimension not can both install on the syringe pump more firmly.

This syringe pump is in concrete use, the loading and unloading of syringe mainly through the installation device joint with resist fix in the mounting groove of mount pad, the installation firmness is not high, the loading and unloading is more troublesome, lead to infusion speed control inaccurate, this syringe pump does not possess the heating function simultaneously, because the liquid medicine of infusing is preserved in low temperature environment usually, so during infusion blood transfusion, get into the internal liquid medicine of patient for the liquid that the colder condition is obviously less than the body temperature, lead to the patient to produce like this easily and annotate the infusion reaction such as vasospasm, shiver, generate heat, especially more outstanding to infant and old weak patient, and more showing in cold season.

Therefore, a medical infusion set is provided.

Disclosure of Invention

The invention aims to provide a medical infusion apparatus to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a medical infusion apparatus comprises a controller main body, wherein a positioning seat, a driving seat and an installation mechanism are sequentially arranged on the upper end face of the controller main body from left to right, slide rails are symmetrically arranged between the positioning seat and the driving seat and fixed with the upper end face of the controller main body, the driving seat is movably connected with the controller main body through the slide rails and moves left and right, a screw rod is arranged between the two slide rails, one end of the screw rod penetrates through the inside of the positioning seat and is connected with a motor in the controller main body in a transmission manner, the other end of the screw rod penetrates through the middle of the driving seat and is in threaded connection with the driving seat, a rotating disc is arranged in the middle of the right side face of the driving seat and is positioned at the upper side of the threaded connection of the screw rod, a half area of the rotating disc is embedded in the driving seat and is sleeved with a bearing and is rotationally connected with the driving seat through the bearing, and a fixing support is arranged at the right end of the installation mechanism, the right side of the fixed bracket is fixedly connected with a stepping motor;

the mounting mechanism comprises a guide groove, a pushing rod, a fixed column, a U-shaped cavity, a ceramic heating plate, a supporting seat, air cavities, a movable groove, a pushing plate, a guide rod, a bag body and a movable hole, wherein the guide groove is formed in the middle of the inside of the fixed column, the left end of the guide groove is open, the right end of the guide groove is closed, the pushing rod is arranged inside the guide groove, an oscillating mechanism is arranged between the pushing rod and the guide groove, the left end of the pushing rod extends to the middle of the right side face of the rotating disc through the guide groove to be fixed, at least three groups of U-shaped cavities are formed in the outer surface of the fixed column at equal intervals in a ring shape, the bottom end of the inner surface of the U-shaped cavity is connected with the ceramic heating plate in an embedded mode, the supporting seat is fixed on the upper end of the supporting seat, an injector body is placed on the upper end of the supporting seat, the air cavities are formed in the two side regions of the inner wall of the U-shaped cavity inside the fixed column, and the three groups of the movable holes are formed between the air cavities and the U-shaped cavity from top to bottom, the utility model discloses a fixed post, including U die cavity, fixed post, movable groove, step motor output shaft, U die cavity inner wall and movable hole correspond the position all splice and have the utricule, and the utricule is inside to be provided with the guide bar, the inside of air cavity is provided with L type structure push pedal, and inside the push pedal extends to U die cavity, the one end of guide bar is fixed through movable hole and push pedal, the movable groove is seted up to the up end of air cavity, and the movable inslot portion is provided with spacing subassembly, step motor output shaft run through the fixed bolster and with fixed column right-hand member center fixed connection.

Preferably, three groups utricules and guide bar one-to-one, and its length from last down decrease progressively in proper order, the guide bar comprises high tenacity metal material, and its right-hand member is glued and is had the hemisphere end that the rubber material constitutes.

Preferably, air plug strips are arranged between the push plate and the inner wall of the air cavity and are fixedly bonded with the edge of the push plate, the push plate is integrally made of black polyethylene materials, the adjacent ends of the two push plates are transparent, and scale marks are arranged on the upper end face of the adjacent ends of the two push plates.

Preferably, spacing subassembly includes connecting piece, torsion spring, drive button, goes up tooth, lower tooth, the connecting piece sets up in the movable groove inside, and its lower extreme is fixed with the push pedal up end, and the upper end articulates in the drive button lower extreme, the terminal surface is opened and is established the hinge groove under the drive button, the connecting piece upper end is U type structure setting and is located the hinge inslot portion, and the inside hinge post surface of hinge groove cup joints torsion spring, the regional symmetry fixed connection of terminal surface connecting piece both sides goes up tooth under the drive button, and the movable groove edge corresponds a plurality of groups of fixed connection tooth down of position equidistance with last tooth, it is located between two adjacent tooth down to go up tooth, and goes up tooth and tooth relative distribution down.

Preferably, the oscillating mechanism comprises sliding blocks, sliding grooves and a knocking assembly, wherein three groups of sliding grooves are formed in the inner surface of the guide groove at least at intervals in an annular mode, the sliding blocks are arranged inside the sliding grooves, the sliding blocks are fixed with the pushing rods and are in sliding connection with the sliding grooves, and the knocking assembly is arranged between every two adjacent sliding grooves and the sliding blocks.

Preferably, the knocking component comprises a shifting piece, an insertion groove, an elastic piece, soundproof cotton and a reset groove, wherein the insertion groove is formed in the outer surface of the pushing rod, the elastic piece is inserted in the insertion groove and is provided with an arc-shaped structural design, one end, far away from the insertion groove, of the elastic piece is of a spherical structural design, the insertion groove is in interference contact with the elastic piece, the reset groove is formed in the inner surface of the guide groove and corresponds to the elastic piece, the right end in the reset groove is hinged and fixed with the shifting piece, the hinged position of the shifting piece is sleeved with a torsion spring, the torsion spring is in a silent state and is inclined to the design, the number of the elastic piece and the shifting piece is a plurality of pieces which are equidistantly distributed in the pushing rod and the guide groove, a protrusion is arranged between every two adjacent shifting pieces, and soundproof cotton is arranged in the fixed column close to the guide groove.

Preferably, the corresponding positions of the right side face of the rotating disc and the U-shaped cavity are provided with U-shaped clamping seats, rubber blocks are spliced inside the U-shaped clamping seats, and the transverse sections of the rubber blocks are designed into isosceles trapezoid structures.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the installation mechanism is matched with the stepping motor, the injectors with different diameters can be fixedly installed by using the installation mechanism, the clamping and fixing effects are excellent, compared with the existing rigid clamping and fixing mode, the structure of the device can not generate large extrusion damage to the surface of the injector, and meanwhile, the stepping motor can be used for rotating forward and backward by 0-30 degrees in the process of pushing the injector by using the lead screw matched with the driving seat, so that the liquid medicine in the injector is uniformly shaken, and the liquid medicine is fully mixed and reacted;

2. according to the invention, the ceramic heating sheet is arranged in the mounting mechanism, and after the mounting mechanism is matched with the mounting mechanism to clamp and fix the injector in the subsequent use process, the ceramic heating sheet can be further controlled by the controller main body to conduct and operate to heat the cavity of the U-shaped cavity where the injector is located, so that the injector and the internal liquid medicine are further conducted, the internal liquid medicine is heated to the specified and proper temperature, the treatment of a patient is facilitated, and the transfusion discomfort is reduced;

3. according to the invention, the oscillating mechanism is arranged, and the oscillating mechanism is matched with the driving seat to ensure that the propelling rod is guided to stably displace through the sliding block and the sliding groove in the process of propelling the injector positioned in the mounting mechanism, and the knocking assembly is further utilized to knock the mounting mechanism in the displacement process to generate oscillation, so that the auxiliary stepping motor is used for further fully mixing and reacting the internal liquid medicine, the overall practicability and the use efficiency of the device are further improved, and the auxiliary gain is realized in the infusion process.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is an overall structural view of the present invention;

FIG. 2 is a cross-sectional view taken along line D-D of FIG. 1 in accordance with the present invention;

FIG. 3 is an enlarged view at B of FIG. 2 of the present invention;

FIG. 4 is a cross-sectional view E-E of FIG. 3 of the present invention;

FIG. 5 is a side view of the stop assembly of the present invention;

FIG. 6 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

FIG. 7 is a cross-sectional view taken along line B-B of FIG. 2 in accordance with the present invention.

Description of reference numerals:

1. a controller main body; 2. positioning seats; 21. a slide rail; 22. a screw rod; 3. a driving seat; 4. rotating the disc; 41. a U-shaped card seat; 42. a rubber block; 6. a stepping motor; 61. fixing a bracket;

5. an installation mechanism; 50. a guide groove; 51. a push rod; 52. fixing a column; 53. a U-shaped cavity; 54. a ceramic heating plate; 55. A supporting seat; 56. an air cavity; 561. a movable groove; 57. pushing the plate; 571. a guide bar; 572. a hemispherical end; 573. a capsule body; 574. a movable hole;

7. an oscillating mechanism; 71. a slider; 72. a chute; 73. a knocking component; 731. a shifting sheet; 732. inserting grooves; 733. a spring plate; 734. sound insulation cotton; 735. a reset groove;

8. a syringe body;

9. a limiting component; 91. a connecting member; 92. a torsion spring; 93. a drive button; 94. upper teeth; 95. lower teeth.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 7, the present invention provides a technical solution:

as shown in fig. 1, a medical infusion apparatus comprises a controller main body 1, wherein a positioning seat 2, a driving seat 3 and an installation mechanism 5 are sequentially arranged on the upper end surface of the controller main body 1 from left to right, slide rails 21 are symmetrically arranged between the positioning seat 2 and the driving seat 3, the slide rails 21 are fixed on the upper end surface of the controller main body 1, the driving seat 3 is movably connected with the controller main body 1 through the slide rails 21 and moves left and right, a screw rod 22 is arranged between the two slide rails 21, one end of the screw rod 22 penetrates through the inside of the positioning seat 2 and is in transmission connection with a motor inside the controller main body 1, the other end of the screw rod 22 penetrates through the middle of the driving seat 3 and is in threaded connection with the driving seat 3, a rotating disk 4 is arranged in the middle of the right side surface of the driving seat 3, the rotating disk 4 is positioned at the upper side of the threaded connection of the screw rod 22, one half of the rotating disk 4 is embedded in the driving seat 3 and is sleeved with a bearing, the right end of the mounting mechanism 5 is provided with a fixed support 61, and the right side of the fixed support 61 is fixedly connected with a stepping motor 6;

as shown in fig. 2 and 3, the mounting mechanism 5 includes a guide groove 50, a push rod 51, a fixed column 52, a U-shaped cavity 53, a ceramic heating plate 54, a support seat 55, an air chamber 56, a movable groove 561, a push plate 57, a guide rod 571, a capsule 573, and a movable hole 574, the guide groove 50 is opened at the middle position inside the fixed column 52, the left end of the guide groove 50 is open, the right end is closed, the push rod 51 is arranged inside the guide groove 50, an oscillating mechanism 7 is arranged between the push rod 51 and the guide groove 50, the left end of the push rod 51 extends to the middle part of the right side surface of the rotating disk 4 through the guide groove 50 to be fixed, at least three groups of U-shaped cavities 53 are annularly and equidistantly opened on the outer surface of the fixed column 52, the bottom end of the inner surface of the U-shaped cavity 53 is connected with the ceramic heating plate 54 in an embedded manner, the support seat 55 is fixed on the upper end surface of the ceramic heating plate 54, and a syringe main body 8 is placed on the upper end of the support seat 55, the fixing column 52 is internally provided with air cavities 56 at two side areas of the inner wall of the U-shaped cavity 53, three groups of movable holes 574 are formed between the air cavities 56 and the U-shaped cavity 53 from top to bottom, the inner wall of the U-shaped cavity 53 is respectively connected with a capsule 573 in a manner of being glued with the corresponding position of the movable holes 574, a guide rod 571 is arranged inside the capsule 573, an L-shaped push plate 57 is arranged inside the air cavity 56, the push plate 57 extends to the inside of the U-shaped cavity 53, one end of the guide rod 571 is fixed with the push plate 57 through the movable holes 574, a movable groove 561 is formed in the upper end face of the air cavity 56, a limiting component 9 is arranged inside the movable groove 561, and an output shaft of the stepping motor 6 penetrates through the fixing support 61 and is fixedly connected with the center of the right end of the fixing column 52.

As an embodiment of the present invention, as shown in fig. 3, three sets of bladders 573 are in one-to-one correspondence with guide rods 571, and the lengths of the bladders 571 decrease from top to bottom, wherein the guide rods 571 are made of a high-toughness metal material, and the right end of each guide rod is glued with a hemispherical end 572 made of a rubber material.

When in use, the limit component 9 drives the push plates 57 at two sides of the U-shaped cavity 53 to relatively displace in the air cavity 56, the push plates 57 compress the air in the air cavity 56 and then enter the capsule 573 through the movable holes 574, so that the bladder 573 expands and fills the mounting gap between the U-shaped cavity 53 and the syringe body 8, so as to flexibly clamp and fix the syringe body 8 inside the U-shaped cavity 53, the guide rods 571 serve to guide the expansion deformation of the bladder 573, and the syringe body 8 clamped in the expansion filling gap is propped and fixed again through the glued hemispherical end 572, so that the clamping effect is excellent, the length-variable bladder 573 and the guide rod 571 which decrease from top to bottom in sequence are used for better clamping and fixing the syringe main body 8 with the columnar structure by matching the U-shaped cavity 53, so that the clamping contact surface is larger, and the clamping effect is firmer.

As an embodiment of the present invention, as shown in fig. 3, air plug strips are respectively disposed between the push plate 57 and the inner wall of the air cavity 56, the air plug strips are fixed to the edge of the push plate 57 by gluing, the push plate 57 is integrally made of black polyethylene material, the adjacent ends of the two push plates 57 are transparent, and the upper end surface is provided with scale marks.

Through inside push pedal 57 displacement in-process can be better with the inside gas compression input of air cavity 56 to utricule 573 at push pedal 57 edge design air plug strip, increase the gas compression utilization ratio, and push pedal 57 that black polyethylene material constitutes then aim at reply some injection time long, and need the medicine cooperation of keeping out of the light and preserving to use, two push pedal 57 adjacent ends are the transparent material then aim at for the convenience of medical personnel observation simultaneously, make corresponding judgement.

As an embodiment of the present invention, as shown in fig. 4 and 5, the limiting assembly 9 includes a connecting member 91, a torsion spring 92, a driving button 93, upper teeth 94, and lower teeth 95, the connecting member 91 is disposed inside a movable slot 561, a lower end of the connecting member is fixed to an upper end surface of the push plate 57, an upper end of the connecting member is hinged to a lower end of the driving button 93, a lower end surface of the driving button 93 is provided with a hinge slot, an upper end of the connecting member 91 is disposed in the hinge slot in a U-shaped configuration, the outer surface of a hinge post in the hinge slot is sleeved with the torsion spring 92, two side regions of the connecting member 91 at the lower end surface of the driving button 93 are symmetrically and fixedly connected to the upper teeth 94, a plurality of sets of lower teeth 95 are fixedly connected to corresponding positions of the movable slot 561 and the upper teeth 94 at equal intervals, the upper teeth 94 are disposed between two adjacent lower teeth 95, and the upper teeth 94 and the lower teeth 94 are distributed opposite to the lower teeth 95.

In operation, in order to fix the position of the push plate 57 moved in the air cavity 56, thereby realizing the expansion state of the capsule 573 and further ensuring the excellent holding and fixing state of the syringe body 8, by providing the limiting component 9, when a user uses the device, firstly, the forefinger and the thumb press the corresponding driving buttons 93 on the upper ends of the push plates 57 on both sides of the U-shaped cavity 53, under the hinging action of the upper ends of the connecting pieces 91, the driving buttons 93 are turned over relatively, so that the upper teeth 94 on both sides of the lower end surface of the driving buttons 93 are turned over by a certain angle to be separated from the clamping gap of the two adjacent lower teeth 95, then the driving buttons 93 are moved relatively, the driving connecting pieces 91 are relatively displaced inside the movable grooves 561, further, the push plates 57 inside the air cavity 56 are relatively displaced, after the adjustment is completed, the user loosens the driving buttons 93, under the action of the torsion springs 92 on the upper end glue joints of the connecting pieces 91, the upper teeth 94 are turned over, insert the adjacent 95 block clearances of lower tooth of downside to resist through articulated groove closed end inner wall and accomplish fixedly, the device structure easy operation is convenient, and the medical personnel of being convenient for one hand can accomplish the operation, so effectual improvement device's availability factor and to the spacing performance that push pedal 57 is excellent.

As an embodiment of the present invention, as shown in fig. 2 and 7, the oscillating mechanism 7 includes a sliding block 71, sliding grooves 72, and a knocking assembly 73, at least three sets of sliding grooves 72 are annularly and equidistantly formed on an inner surface of the guide groove 50, the sliding blocks 71 are respectively disposed inside the sliding grooves 72, the sliding blocks 71 are fixed to the push rod 51 and slidably connected to the sliding grooves 72, and the knocking assembly 73 is disposed between two adjacent sliding grooves 72 and the sliding blocks 71.

During operation, along with lead screw 22 is under the drive of controller main part 1 internal motor, slide rail 21 and drive seat 3 sliding connection cooperate down right displacement, and utilize rotary disk 4 to promote the syringe main part 8 tail end that is located U die cavity 53 inside, in order to further guarantee to promote the stability of in-process installation mechanism 5 at this in-process, guarantee syringe main part 8 can steady propelling movement liquid medicine, consequently further cooperate the guidance quality displacement of guide way 50 through push rod 51, further utilize slider 71 and spout 72 sliding connection cooperation, make installation mechanism 5 under the rotation state still can ensure to bear syringe main part 8 stably, and then reach the steady propelling movement effect of excellent liquid medicine.

As an embodiment of the present invention, as shown in fig. 7, the knocking component 73 includes a pulling piece 731, an insertion groove 732, a resilient piece 733, a soundproof cotton 734, and a reset groove 735, the outer surface of the push rod 51 is provided with the insertion groove 732, the resilient piece 733 is inserted into the insertion groove 732, the resilient piece 733 is in an arc structure design, one end of the resilient piece 733 away from the insertion groove 732 is in a spherical structure design, the insertion groove 732 is in interference contact with the resilient piece 733, the reset groove 735 is provided on the inner surface of the guide groove 50 at a position corresponding to the resilient piece 733, a pulling piece 731 is fixed at the right end of the interior of the reset groove 735 in a hinged manner, the torsion spring 92 is sleeved at the hinged portion of the pulling piece 731, the pulling piece 731 is in an inclined and abutting design in a silent state, the number of the resilient pieces 733 and the pulling piece 731 is several, the resilient pieces are equidistantly distributed inside the push rod 51 and the guide groove 50, a protrusion is provided between two adjacent pulling pieces 731, soundproof cotton 734 is arranged inside the fixed column 52 and near the guide groove 50.

When the device works, in the process that the pushing rod 51 is continuously pushed towards the inside of the guide groove 50, the elastic sheet 733 which is inserted into the insertion groove 732 and in interference contact with the shifting sheet 731 is continuously contacted, the arc-shaped structure elastic sheet 733 which is inserted into the insertion groove 732 is deformed and compressed to accumulate potential under the extrusion action of the shifting sheet 731, and then the pushing rod 51 is continuously pushed to move until the elastic sheet 733 is deformed and separated from the shifting sheet 731, at the moment, the elastic sheet 733 is instantaneously deformed and reset and hits a bulge between the two shifting sheets 731, so that the fixing column 52 is integrally vibrated, the syringe main body 8 in a rotating state is matched to shake and uniformly mix liquid medicine inside the syringe main body, the auxiliary treatment effect is achieved, the working efficiency of the device is effectively improved, after the use is finished, the driving seat 3 returns under the action of the lead screw 22, the pushing rod 51 is stretched, at the moment, because the shifting sheet 731 and the resetting groove 735 are hinged to rotate and abut against, the shifting sheet 731 retreats, the shifting piece 731 is squeezed to be accommodated in the reset groove 735, and then the shifting piece 731 is separated from the resisting force of the elastic piece 733 under the action of the torsion spring 92, and then the shifting piece is turned over again to lean against the corner of the reset groove 735 for the next use.

As an embodiment of the present invention, as shown in fig. 6, U-shaped clamping seats 41 are disposed at positions corresponding to the U-shaped cavities 53 on the right side surface of the rotating disk 4, and rubber blocks 42 are glued inside the U-shaped clamping seats 41, and the transverse cross-sections of the rubber blocks 42 are designed to be isosceles trapezoid structures.

During operation, syringe main part 8 is located inside U type cavity 53, in order to guarantee the stability of syringe main part 8 propulsion liquid medicine in-process, consequently inside 8 push rod tail ends of syringe main part pass through block to U type cassette 41 to extrusion block rubber 42 utilizes block rubber 42 elastic deformation to resist fixedly, accomplishes the fixed centre gripping of drive seat 3 and 8 push rod tail ends of syringe main part, and then makes the stability of whole liquid medicine propulsion process.

The working principle is as follows: firstly, a user places a syringe main body 8 in a U-shaped cavity 53 on the surface of a fixed column 52, then the tail end of a push rod of the syringe main body 8 is clamped into a U-shaped clamping seat 41 and extrudes a rubber block 42, the rubber block 42 is resisted and fixed by elastic deformation of the rubber block 42, the fixed clamping of the driving seat 3 and the tail end of the push rod of the syringe main body 8 is completed, at the moment, a forefinger and a thumb of the user press a driving button 93 corresponding to the upper ends of push plates 57 on two sides of the U-shaped cavity 53, under the hinging action of the upper end of a connecting piece 91, the driving button 93 is relatively turned over, so that upper teeth 94 on two sides of the lower end surface of the driving button 93 are turned over for a certain angle to be separated from clamping gaps of two adjacent lower teeth 95, then the driving button 93 is relatively moved, the driving connecting piece 91 is relatively moved in a movable groove 561, further, the push plates 57 in an air cavity 56 are relatively moved, and after the regulation is completed, the user releases the driving button 93, under the action of the torsion spring 92 at the upper end cementing part of the connecting piece 91, the upper teeth 94 turn over, are inserted into the clamping gap of the lower adjacent lower teeth 95, and are resisted by the inner wall of the closed end of the hinge groove to complete fixation, meanwhile, the push plate 57 is relatively displaced in the air cavity 56, air in the air cavity 56 is compressed by the push plate 57 and enters the capsule 573 through the movable hole 574, so that the capsule 573 expands to fill the installation gap between the U-shaped cavity 53 and the syringe body 8, thereby flexibly clamping and fixing the syringe positioned in the U-shaped cavity 53, the guide rod 571 has the function of guiding the expansion deformation of the capsule 573, and the syringe body 8 clamped in the expansion filling gap is resisted and fixed again through the hemispherical cementing end 572, so that the clamping effect is excellent, the fixation of the whole syringe body 8 is completed, and then a user adjusts specific parameters through the controller body 1, at this moment, the motor inside the controller main body 1 drives the screw rod 22 in the positioning seat 2 to rotate, the driving seat 3 continuously and slowly moves rightwards under the action of the slide rail 21 through being in threaded connection with the screw rod 22 to push the pushing rod 51 of the syringe main body 8, so that the internal liquid medicine is output, and meanwhile, the stepping motor 6 runs in the same way, so that the liquid medicine inside the syringe is uniformly shaken through forward and reverse rotation, and the liquid medicine is fully mixed and reacts.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A medical infusion set comprises a controller main body (1), and is characterized in that: the upper end face of the controller main body (1) is provided with a positioning seat (2), a driving seat (3) and an installation mechanism (5) in sequence from left to right, slide rails (21) are symmetrically arranged between the positioning seat (2) and the driving seat (3), the slide rails (21) are fixed with the upper end face of the controller main body (1), the driving seat (3) is movably connected with the controller main body (1) through the slide rails (21) and moves left and right, a screw rod (22) is arranged between the two slide rails (21), one end of the screw rod (22) penetrates through the positioning seat (2) and is in transmission connection with a motor inside the controller main body (1), the other end of the screw rod penetrates through the middle of the driving seat (3) and is in threaded connection with the driving seat (3), the middle of the right side face of the driving seat (3) is provided with a rotating disk (4), and the rotating disk (4) is positioned at the upper side of the threaded connection part of the screw rod (22), the half area of the rotating disc (4) is embedded in the driving seat (3) and sleeved with a bearing, the rotating disc is rotatably connected with the driving seat (3) through the bearing, the right end of the mounting mechanism (5) is provided with a fixed support (61), and the right side of the fixed support (61) is fixedly connected with a stepping motor (6);

the mounting mechanism (5) comprises a guide groove (50), a pushing rod (51), a fixed column (52), a U-shaped cavity (53), a ceramic heating sheet (54), a supporting seat (55), an air cavity (56), a movable groove (561), a push plate (57), a guide rod (571), a capsule body (573) and a movable hole (574), the guide groove (50) is formed in the middle of the inside of the fixed column (52), the left end of the guide groove (50) is open, the right end of the guide groove is closed, the pushing rod (51) is arranged in the guide groove (50), an oscillating mechanism (7) is arranged between the pushing rod (51) and the guide groove (50), the left end of the pushing rod (51) extends to the middle of the right side face of the rotating disc (4) through the guide groove (50) to be fixed, at least three groups of U-shaped cavities (53) are annularly formed on the outer surface of the fixed column (52) at equal intervals, the bottom end of the inner surface of the U-shaped cavity (53) is connected with the ceramic heating sheet (54) in an embedded manner, the upper end face of the ceramic heating plate (54) is fixedly provided with a supporting seat (55), the upper end of the supporting seat (55) is provided with an injector main body (8), the inner part of the fixing column (52) is positioned at two side areas of the inner wall of a U-shaped cavity (53) and is provided with an air cavity (56), three groups of movable holes (574) are formed between the air cavity (56) and the U-shaped cavity (53) from top to bottom, the inner wall of the U-shaped cavity (53) and the corresponding positions of the movable holes (574) are respectively connected with a capsule body (573) in a gluing manner, a guide rod (573) is arranged inside the capsule body (573), an L-shaped structure push plate (57) is arranged inside the air cavity (56), the push plate (57) extends into the U-shaped cavity (53), one end of the guide rod (571) is fixed with the push plate (57) through the movable holes (574), the upper end face of the air cavity (56) is provided with a movable groove (561), and a limit component (9) is arranged inside the movable groove (561), an output shaft of the stepping motor (6) penetrates through the fixed support (61) and is fixedly connected with the center of the right end of the fixed column (52).

2. A medical infusion set according to claim 1, characterised in that: the three groups of capsules (573) correspond to the guide rods (571) one by one, the lengths of the three groups of capsules decrease from top to bottom, the guide rods (571) are made of high-toughness metal materials, and the right ends of the guide rods are glued with hemispherical ends (572) made of rubber materials.

3. A medical infusion set according to claim 1, characterised in that: the air plug strip is arranged between the push plate (57) and the inner wall of the air cavity (56), the air plug strip is fixedly bonded with the edge of the push plate (57), the push plate (57) is integrally made of black polyethylene materials, the adjacent ends of the two push plates (57) are transparent, and scale marks are arranged on the upper end face of the two push plates (57).

4. A medical infusion set according to claim 1, characterised in that: the limiting assembly (9) comprises a connecting piece (91), a torsion spring (92), a driving button (93), upper teeth (94) and lower teeth (95), the connecting piece (91) is arranged inside a movable groove (561), the lower end of the connecting piece is fixed with the upper end face of the push plate (57), the upper end of the connecting piece is hinged to the lower end of the driving button (93), a hinged groove is formed in the lower end face of the driving button (93), the upper end of the connecting piece (91) is arranged in a U-shaped structure and located inside the hinged groove, the outer surface of a hinged column inside the hinged groove is sleeved with the torsion spring (92), the upper teeth (94) are symmetrically and fixedly connected to the two side areas of the end face connecting piece (91) of the driving button (93), a plurality of groups of lower teeth (95) are fixedly connected to the edge of the movable groove (561) and the corresponding positions of the upper teeth (94) at equal intervals, and the upper teeth (94) are located between two adjacent lower teeth (95), and the upper teeth (94) and the lower teeth (95) are distributed oppositely.

5. A medical infusion set according to claim 1, characterised in that: oscillation mechanism (7) include slider (71), spout (72), strike subassembly (73), three group's spouts (72) have been seted up at least to guide way (50) inner surface annular equidistance, and spout (72) inside all is provided with slider (71), slider (71) and propelling rod (51) are fixed and with spout (72) sliding connection, are provided with between two adjacent spouts (72) and slider (71) and strike subassembly (73).

6. The medical infusion set according to claim 5, wherein: the knocking component (73) comprises a shifting piece (731), an insertion groove (732), an elastic piece (733), soundproof cotton (734) and a reset groove (735), the insertion groove (732) is formed in the outer surface of the push rod (51), the elastic piece (733) is inserted in the insertion groove (732), the elastic piece (733) is in an arc structural design, one end, far away from the insertion groove (732), of the elastic piece (733) is in a spherical structural design, the insertion groove (732) is in interference contact with the elastic piece (733), the reset groove (735) is formed in the inner surface of the guide groove (50) in a position corresponding to the elastic piece (733), the shifting piece (731) is hinged and fixed at the right end in the inner part of the reset groove (735), the torsional spring piece (731) is sleeved at the hinged part and is obliquely abutted to the design in a silent state, the elastic piece (733) and the shifting piece (731) are distributed in the push rod (51) and the guide groove (50) in equal distance, a bulge is arranged between every two adjacent shifting pieces (731), and soundproof cotton (734) is arranged in the fixed column (52) close to the guide groove (50).

7. A medical infusion set according to claim 1, characterised in that: the right side face of the rotating disc (4) is provided with a U-shaped clamping seat (41) at a position corresponding to the U-shaped cavity (53), the inside of the U-shaped clamping seat (41) is connected with a rubber block (42) in a gluing mode, and the transverse section of the rubber block (42) is designed in an isosceles trapezoid structure.