CN215690571U

CN215690571U - Novel micropump

Info

Publication number: CN215690571U
Application number: CN202122429918.6U
Authority: CN
Inventors: 彭晶晶
Original assignee: Mianyang Central Hospital
Current assignee: Mianyang Central Hospital
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-02-01
Anticipated expiration: 2031-10-09

Abstract

The utility model discloses a novel micro pump, which comprises a micro pump body and a needle cylinder, wherein the top surface of the micro pump body is provided with an installation groove; the needle cylinder is arranged in the mounting groove; a clamping groove for placing a needle cylinder lug plate structure is arranged on the micro pump body and is communicated with the mounting groove; one side of the mounting groove is provided with a thrust mechanism for pushing the syringe push rod. The pushing mechanism comprises an electric push rod, a supporting plate and a push plate, the supporting plate is arranged on one side, away from the needle cylinder, of the mounting groove, the electric push rod is arranged on the supporting plate, the push plate is arranged at the pushing end of the electric push rod, limiting grooves are formed in the left end and the right end of the push plate and used for clamping the tail end of the needle cylinder push rod, and the push plate pushes the needle cylinder push rod to do linear reciprocating motion under the action of the electric push rod; one end of the needle cylinder, which is far away from the needle cylinder push rod, is connected with a main pipe of a Y-shaped pipe, and two branch pipes of the Y-shaped pipe are respectively provided with a one-way valve; one branch pipe is connected with the medicine supply device, and the other branch pipe is connected with the needle.

Description

Novel micropump

Technical Field

The utility model relates to the technical field of medical auxiliary equipment, in particular to a novel micro pump.

Background

The micro-injection pump (micro pump for short) is a novel medical instrument with simple operation and high control precision, and the liquid medicine is injected into the body of a patient uniformly and continuously in a micro-scale manner through a pump pipe and a tee joint/scalp needle by accurately controlling the injection speed of an injector. The micro pump can strictly control the dosage of the medicine, so that the medicine can keep effective blood concentration in the body of a patient, and the input speed of the medicine is not influenced when the posture and the body position of the patient are changed, so that the micro pump is widely applied to treatment of critical patients.

The chinese utility model patent "a novel micropump" (CN151815478665.7) discloses a micropump with push motor, and this push motor sets up at the top surface of micropump body, drives cylinder axial motion through the push rod, and push motor also needs the motion of following, and the operation is complicated. And the prior micro pump is inconvenient to disassemble and assemble the syringe.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is as follows: provides a novel micro pump to solve the defects existing in the prior art.

In order to achieve the purpose of the utility model, the utility model adopts the technical scheme that:

the novel micro pump comprises a micro pump body and a needle cylinder, wherein the top surface of the micro pump body is provided with an installation groove; the needle cylinder is arranged in the mounting groove; the length of the mounting groove is greater than that of the syringe body, and the inner diameter of the mounting groove is greater than that of the syringe body; a clamping groove for placing a needle cylinder lug plate structure is arranged on the micro pump body and is communicated with the mounting groove; one side of the mounting groove is provided with a thrust mechanism for pushing the syringe push rod.

The pushing mechanism comprises an electric push rod, a supporting plate and a push plate, the supporting plate is arranged on one side, away from the needle cylinder, of the mounting groove, the electric push rod is arranged on the supporting plate, the push plate is arranged at the pushing end of the electric push rod, limiting grooves are formed in the left end and the right end of the push plate and used for clamping the tail end of the needle cylinder push rod, and the push plate pushes the needle cylinder push rod to do linear reciprocating motion under the action of the electric push rod;

one end of the needle cylinder, which is far away from the needle cylinder push rod, is connected with a main pipe of a Y-shaped pipe, and two branch pipes of the Y-shaped pipe are respectively provided with a one-way valve; one branch pipe is connected with the medicine supply device, and the other branch pipe is connected with the needle.

Further: the bottom of the micro pump body is provided with an anti-slip pad.

Further: the cross section of the mounting groove is semicircular.

Further: the extension pipe is a circular pipe made of PVC material.

Further: the micro pump body is provided with a C-shaped buckle for fixing the Y-shaped pipe.

Further: the inner wall of the mounting groove is sequentially provided with a heating element and a heat-insulating pad from outside to inside

Further: one side of the micro pump body is provided with a controller, the controller controls the work of the heating element, the one-way valve and the electric push rod, and the heating element, the one-way valve and the electric push rod are powered by a power supply on the micro pump body.

The utility model has the beneficial effects that:

put into the mounting groove with the cylinder in, make the otic placode structure of cylinder just in time block in the draw-in groove, one side of mounting groove is contradicted the front end of cylinder, forms spacingly, makes at the in-process of injection medicine, and the casing of cylinder can not take place the displacement and influence the effect of injection. The heating element and the heat-insulating pad heat and insulate the medicine in the syringe, and meanwhile, the limit groove clamps the syringe push rod, and the electric push rod is started to drive the syringe push rod to do linear motion; when the medicine is injected, the one-way valve on one branch pipe is closed, and the one-way valve on the other branch pipe is opened; when medicine is sucked, the one-way valve on one branch pipe is opened, and the one-way valve on the other branch pipe is closed, so that continuous medicine feeding can be realized, and the needle cylinder does not need to be taken and placed frequently.

Drawings

FIG. 1 is a schematic view of a micro pump according to the present invention;

FIG. 2 is a schematic top view of the thrust mechanism of the present invention;

FIG. 3 is a schematic view of a heating element and a heat-insulating pad according to the present invention;

FIG. 4 is a schematic view of the Y-shaped tube of the present invention.

Wherein: 1. a micro pump body; 2. a needle cylinder; 3. mounting grooves; 4. a card slot; 5. a heating member; 6. a heat-insulating pad; 7. a syringe push rod; 8. a thrust mechanism; 9. an electric push rod; 10. a support plate; 11. pushing the plate; 12. A Y-shaped tube; 13. c-shaped buckles; 14. a power supply device; 15. a one-way valve; 16. a non-slip mat; 17. a limiting groove.

Detailed Description

The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the utility model as defined and defined in the appended claims, and all matters produced by the utility model using the inventive concept are protected.

Examples

As shown in fig. 1, a novel micro pump comprises a micro pump body 1 and a needle cylinder 2, wherein the top surface of the micro pump body 1 is provided with an installation groove 3; the cross section of the mounting groove 3 is semicircular; the needle cylinder 2 is arranged in the mounting groove 3; the length of the mounting groove 3 is larger than that of the syringe 2 body, and the inner diameter of the mounting groove 3 is slightly larger than that of the syringe 2 body; a clamping groove 4 for placing an ear plate structure of the needle cylinder 2 is formed in the micro pump body 1, and the clamping groove 4 is communicated with the mounting groove 3; one side of the mounting groove 3 is provided with a thrust mechanism 8 for pushing the syringe push rod 7.

Thrust mechanism 8 includes electric putter 9, backup pad 10 and push pedal 11, backup pad 10 sets up the one side of keeping away from cylinder 2 at mounting groove 3, electric putter 9 sets up on backup pad 10, push pedal 11 sets up in electric putter 9's promotion end, both ends are provided with the relative spacing groove 17 that sets up of notch about push pedal 11, a terminal (the section of the end of cylinder push rod is the T type among the prior art) for blocking cylinder push rod 7, under the effect of spacing groove 17, the T type end of cylinder push rod 7 can two sides atress, therefore, push pedal 11 can push cylinder push rod 7 reciprocating linear motion under electric putter 9's effect.

Because the limit grooves 17 are arranged on the left side and the right side of the push plate 11, namely on the left side and the right side of the syringe push rod 7, when the syringe is disassembled and assembled, the mounting syringe feeding installation groove 3 is taken down from the vertical direction.

Furthermore, one end of the syringe 2, which is far away from the syringe push rod 7, is connected with one end of a Y-shaped tube 12, the left branch tube and the right branch tube of the Y-shaped tube 12 are respectively provided with a check valve 15, the left branch tube is connected with the medicine bag, the right branch tube is connected with the needle head, and the Y-shaped tube 12 is a circular tube made of PVC material; the micro pump body 1 is provided with a C-shaped buckle 13 for fixing the Y-shaped pipe 12. In order to avoid the influence of the supercooling of the liquid medicine on the human body function and the use effect, the heating element 5 and the heat preservation pad 6 are sequentially arranged on the inner wall of the mounting groove 3 from outside to inside.

Furthermore, a controller is arranged on one side of the micro pump body and controls the heating element, the one-way valve and the electric push rod to work, and the heating element, the one-way valve and the electric push rod are powered by a power supply on the micro pump body. The bottom of the micro pump body 1 is provided with a non-slip mat 16.

Specifically, absorb the medicine with cylinder 2, then pull out the syringe needle of cylinder 2, put into mounting groove 3 with cylinder 2 in, make the otic placode structure of cylinder 2 just in time block into draw-in groove 4, the front end of the cylinder is contradicted to one side of mounting groove 3, forms spacingly, makes at the in-process of injection medicine, and the casing of cylinder 2 can not take place the displacement and influence the effect of injection. The heating element 5 and the heat preservation pad 6 heat and preserve heat of the medicine in the syringe 2, meanwhile, the limit groove 17 is clamped on the syringe push rod 7, the electric push rod 9 is started, and the syringe push rod 7 is driven to do linear motion; when the medicine is injected, the one-way valve on one branch pipe is closed, and the one-way valve on the other branch pipe is opened; when medicine is sucked, the one-way valve on one branch pipe is opened, and the one-way valve on the other branch pipe is closed, so that continuous medicine feeding can be realized, and the needle cylinder does not need to be taken and placed frequently. After the injection is finished, the heating element 5 and the electric push rod 9 are turned off, then the needle cylinder 2 is lifted upwards, and the needle cylinder 2 can be directly taken out from the mounting groove 3, so that the operation is convenient.

It should be noted that the specific power supply and the principle of the heating element 5, the electric push rod 9, the heating element switch, and the electric push rod switch are clear to those skilled in the art, and will not be described in detail herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A novel micropump is characterized in that: the micro pump comprises a micro pump body (1) and a needle cylinder (2), wherein the top surface of the micro pump body (1) is provided with a mounting groove (3); the needle cylinder (2) is arranged in the mounting groove (3); the length of the mounting groove (3) is greater than the length of the needle cylinder (2) body, and the inner diameter of the mounting groove (3) is greater than the diameter of the needle cylinder (2) body; a clamping groove (4) for placing an ear plate structure of the needle cylinder (2) is formed in the micro pump body (1), and the clamping groove (4) is communicated with the mounting groove (3); a thrust mechanism (8) for pushing a syringe push rod (7) is arranged on one side of the mounting groove (3);

the thrust mechanism (8) comprises an electric push rod (9), a supporting plate (10) and a push plate (11), the supporting plate (10) is arranged on one side, away from the needle cylinder (2), of the mounting groove (3), the electric push rod (9) is arranged on the supporting plate (10), the push plate (11) is arranged at the pushing end of the electric push rod (9), limiting grooves (17) are formed in the left end and the right end of the push plate (11) and used for clamping the tail end of the needle cylinder push rod (7), and the push plate (11) pushes the needle cylinder push rod (7) to do linear reciprocating motion under the action of the electric push rod (9);

one end of the needle cylinder (2) far away from the needle cylinder push rod (7) is connected with a main pipe of a Y-shaped pipe (12), and two branch pipes of the Y-shaped pipe (12) are respectively provided with a one-way valve (15); one branch pipe is connected with the medicine supply device, and the other branch pipe is connected with the needle.

2. The novel micropump of claim 1, wherein: the bottom of the micro pump body (1) is provided with an anti-slip pad (16).

3. The novel micropump of claim 1, wherein: the cross section of the mounting groove (3) is semicircular.

4. The novel micropump of claim 1, wherein: the Y-shaped pipe (12) is a circular pipe made of PVC materials.

5. The novel micropump of claim 1, wherein: the micro pump body (1) is provided with a C-shaped buckle (13) for fixing the Y-shaped pipe (12).

6. The novel micropump of claim 1, wherein: the inner wall of the mounting groove (3) is sequentially provided with a heating element (5) and a heat-insulating pad (6) from outside to inside.

7. The novel micropump of claim 1, wherein: one side of micropump body (1) is equipped with the controller, and the work of controller control heating member (5), check valve (15), electric putter (9), heating member (5), check valve (15), electric putter (9) are by the power supply on the micropump body (1).