CN220090123U - Rotary liquid outlet mechanism of medicine injection pump - Google Patents

Abstract

The utility model relates to a rotary liquid outlet mechanism of a medicine injection pump, which comprises a plate body and a liquid conveying pipe, wherein the top of the plate body is provided with a mounting groove, the liquid conveying pipe is mounted in a pipe groove in the mounting groove, the mounting groove is bent inwards near the middle, a rotary table is mounted at the bent position, the center of the rotary table is in transmission connection with a motor through a rotary shaft, a fixed wheel is uniformly mounted on the disc surface of the rotary table, and the rotary table extrudes liquid medicine in the liquid conveying pipe through the fixed wheel when rotating, so that the liquid medicine is continuously conveyed in the same direction. In this scheme, extrude the liquid medicine in the transfer line one by one through a plurality of tight pulleys, carry the liquid medicine in same direction continuously to satisfy the requirement of quick infusion. In addition, after no liquid medicine exists in the infusion tube, the liquid can be prevented from flowing backwards due to the extrusion action of the fixed wheel, and the phenomenon of blood return is avoided, so that unnecessary doctors and patients are avoided after the infusion is finished.

Description

Rotary liquid outlet mechanism of medicine injection pump

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a rotary liquid outlet mechanism of a medicine injection pump.

Background

The medicine injection pump is a device for automatically delivering medicine liquid, can continuously deliver medicine liquid for patients, replaces the existing infusion bottle, and provides a new administration way. When in use, the patient can automatically control the analgesia, realize the individual analgesia, and be used for postoperative analgesia and chronic pain treatment.

When the traditional medicine injection pump is used for conveying medicine liquid, the rotation speed of the motor is limited, the transfusion quantity is small, and the requirement of quick transfusion cannot be met when the transfusion quantity is increased in clinical needs.

In addition, when the medicine injection pump is used for delivering medicine liquid, after no medicine liquid exists in a medicine bag arranged in the medicine injection pump, medical staff should pull out a needle on a patient at the moment, but the medical staff is generally in a nurse station, the inspection time is long, and only after the family members of the patient or the patient himself/herself call, the needle can be pulled out. If the patient falls asleep or the family of the patient is not careful, the medicine liquid is completely dosed, at the moment, a blood return phenomenon is generated in the infusion tube, namely, the blood of the patient is guided into the infusion tube, so that the patient is panicked, and unnecessary troubles are caused.

Disclosure of Invention

The utility model aims to provide a rotary liquid outlet mechanism of a medicine injection pump, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the utility model provides a rotatory play liquid mechanism of injection pump, includes plate body and transfer line, the top of plate body is equipped with the mounting groove, the transfer line install in the tube chute in the mounting groove, the mounting groove is close to the position of centre incurvate, and it installs the carousel in the bend, the center department of carousel is connected with motor drive through the pivot, evenly installs the tight pulley on the disc face of carousel, the carousel is through the tight pulley extrusion when rotating liquid medicine in the transfer line lasts the transport liquid medicine in the same direction.

In the scheme, the fixed wheel is at least provided with four, and a cross rib plate is arranged in the fixed wheel.

Further, a fixed handle is arranged in the middle of the rotary table, and the fixed handle is wrapped on the peripheral surface of the rotary shaft.

Furthermore, an avoidance arc-shaped groove is formed in one side, close to the fixed wheel, of the fixed handle.

In the above scheme, the both ends of transfer line are equipped with the joint, the both ends of mounting groove are equipped with the draw-in groove that is used for the joint to fix the joint.

Furthermore, the two sides of the mounting groove are close to the joint of the joint, and the diameter size of the avoidance groove is larger than that of the pipe groove.

Compared with the prior art, the utility model has the beneficial effects that: the infusion tube is arranged in a tube groove in the installation groove, the position, close to the middle, of the installation groove is bent inwards to be used for installing the rotary disc, the rotary disc surface of the rotary disc is uniformly and fixedly provided with fixed wheels, and the rotary disc extrudes the liquid medicine in the infusion tube 3 one by one through the plurality of fixed wheels when rotating, and continuously conveys the liquid medicine in the same direction, so that the requirement of rapid infusion is met. In addition, after no liquid medicine exists in the infusion tube, the liquid can be prevented from flowing backwards due to the extrusion action of the fixed wheel, and the phenomenon of blood return is avoided, so that unnecessary doctors and patients are avoided after the infusion is finished. Under the drive of the motor, the fixed wheel on the turntable can be stopped at a certain position, and when the fixed wheel is in a state of extruding the infusion tube after stopping, the infusion state can be paused, and the blood return phenomenon can be prevented.

Drawings

The disclosure of the present utility model is described with reference to the accompanying drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the utility model. In the drawings, like reference numerals are used to refer to like parts. Wherein:

FIG. 1 is a schematic view of the internal structure of the present utility model;

FIG. 2 is a schematic perspective view of FIG. 1;

reference numerals in the drawings: 1-a plate body; 11-mounting slots; 12-a tube groove; 13-clamping grooves; 14-avoiding grooves; 2-a turntable; 21-a rotating shaft; 22-fixed wheels; 23-fixing the handle; 24-rib plates; 3-a transfusion tube; 31-linker.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the present utility model easy to understand, the present utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures to which the utility model pertains.

According to the technical scheme of the utility model, a person skilled in the art can propose various alternative structural modes and implementation modes without changing the true spirit of the utility model. Accordingly, the following detailed description and drawings are merely illustrative of the utility model and are not intended to be exhaustive or to limit the utility model to the precise form disclosed.

The technical scheme of the utility model is further described in detail below with reference to the accompanying drawings and examples.

As shown in fig. 1 and 2, a rotary liquid outlet mechanism of a drug injection pump comprises a plate body 1 and a liquid delivery pipe 3, wherein a plate cover fastened with the plate body 1 is further arranged on the outer side of the plate body 1, and the plate body has the same external dimension as the plate body 1 and has a thickness of 1-2 mm. The infusion tube 3 is a tube body for delivering liquid medicine, is made of flexible materials, and is widely used as a liquid delivery line of infusion bottles. The top of the plate body 1 is provided with a mounting groove 11, the mounting groove 11 is provided with a pipe groove 12, and the infusion pipe 3 is arranged in the pipe groove 12 in the mounting groove 11.

The mounting groove 11 is bent inwards near the middle position and is used for providing a position for mounting the turntable 2, the turntable 2 is mounted at the bent position, the center of the turntable 2 is connected with a motor in a transmission manner through a rotating shaft 21 and is used for driving the turntable 21 to rotate through the motor, and the motor can adopt a controllable low-speed miniature direct current motor. The fixed wheel 22 is uniformly and fixedly arranged on the disc surface of the rotary disc 2, and the rotary disc 2 extrudes the liquid medicine in the infusion tube 3 through the fixed wheel 22 when rotating, and continuously conveys the liquid medicine in the same direction.

The liquid medicine is continuously conveyed to the patient through the fixed wheel 22 and the continuous extrusion plate body 1, thereby meeting the requirement of rapid transfusion. In addition, when no liquid medicine exists in the infusion tube 3, the liquid is prevented from flowing backwards due to the extrusion action of the fixed wheel 22, and the phenomenon of blood return is avoided, so that unnecessary trouble of doctors and patients after the infusion is finished is avoided.

As a preferred scheme, the fixed wheel 22 is of a straight cylinder type structure, the outer circle surface is smooth, or the fixed wheel 22 is provided with anti-skidding patterns with vertical bars, at least four rib plates 24 which can be arranged 4, 5 or 6 are arranged in the fixed wheel 22, and the cross rib plates 24 are arranged in the fixed wheel 22 and used for improving the supporting force of the hub of the fixed wheel 22.

In order to improve the stability of the turntable 2, a fixing handle 23 is provided in the middle of the turntable 2, and the fixing handle 23 is wrapped around the outer peripheral surface of the rotating shaft 21 and fixedly connected with the rotating shaft 21, for example, fixed by a pin key. As a preferable scheme, the side of the fixed handle 23, which is close to the fixed wheel 22, is provided with an avoidance arc-shaped groove, so that the diameter size of the rotary table 2 is reduced, the size of the whole liquid outlet mechanism is reduced, the top size of the rotary table 2 leaked outside the plate body 1 is not too large, and the fixed wheel 22 is not influenced to tightly press the infusion tube 3.

In practice, if the two ends of the infusion tube 3 are provided with the connectors 31, the infusion tube 3 is connected with other infusion pipelines through the connectors 31 to extend the infusion pipelines. The mounting groove 11 is provided with a clamping groove 13 for clamping the fixing joint 31 at both ends, and the outer hub of the joint 13 is fixed by the clamping groove 13. The infusion tube 3 is fixed in a clamping manner, and the overall length of the infusion tube 3 can be limited, so that the infusion tube 3 with the length can be produced in batches under a certain size.

In addition, the connection parts of the two sides of the mounting groove 11, which are close to the joint 31, are provided with the avoiding groove 14, the diameter size of the avoiding groove 14 is larger than that of the pipe groove 12, and the infusion pipe 3 mounted in the pipe groove 12 can be taken out through the avoiding groove 14. After transfusion is finished, medical staff can detach the transfusion device, insert the disposable transfusion tube 3 into the avoiding groove 14 through forceps to be clamped out, and then the rotary liquid outlet mechanism can be continuously installed on other transfusion tubes for use to continuously and continuously infuse.

In summary, the infusion tube 3 is installed in the tube slot 12 in the installation slot 11, the installation slot 11 is bent inwards at a position close to the middle for installing the rotary table 2, the rotary table 2 is uniformly and fixedly provided with the fixed wheels 22 on the rotary table surface, and the rotary table 2 presses the liquid medicine in the infusion tube 3 one by one through the plurality of fixed wheels 22 during rotation, and continuously conveys the liquid medicine in the same direction, so that the requirement of rapid infusion is met. In addition, when no liquid medicine exists in the infusion tube 3, the liquid is prevented from flowing backwards due to the extrusion action of the fixed wheel 22, and the phenomenon of blood return is avoided, so that unnecessary trouble of doctors and patients after the infusion is finished is avoided. Under the drive of the motor, the fixed wheel 22 on the turntable 2 can be stopped at a certain position, and when the fixed wheel 22 is in a state of extruding the infusion tube 3 after stopping, the infusion state can be paused, and the blood return phenomenon can be prevented.

The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (6)

1. The utility model provides a rotatory play liquid mechanism of annotate medicine pump which characterized in that: the infusion tube comprises a plate body (1) and an infusion tube (3), wherein an installation groove (11) is formed in the top of the plate body (1), the infusion tube (3) is installed in a tube groove (12) in the installation groove (11), the installation groove (11) is bent inwards at a position close to the middle, a rotary table (2) is installed at the bent position, the center of the rotary table (2) is connected with a motor in a driving mode through a rotary shaft (21), fixed wheels (22) are evenly installed on the disc surface of the rotary table (2), and the rotary table (2) extrudes liquid medicine in the infusion tube (3) through the fixed wheels (22) when rotating, so that the liquid medicine is continuously conveyed in the same direction.

2. The rotary fluid dispensing mechanism of an infusion pump of claim 1, wherein: the fixed wheel (22) is provided with at least four, and a cross rib plate (24) is arranged in the fixed wheel (22).

3. The rotary fluid dispensing mechanism of an infusion pump of claim 2, wherein: the middle part of carousel (2) is equipped with fixed handle (23), fixed handle (23) are wrapped in the outer peripheral face of pivot (21).

4. A rotary fluid dispensing mechanism for an infusion pump as set forth in claim 3, wherein: one side of the fixed handle (23) close to the fixed wheel (22) is provided with an avoidance arc-shaped groove.

5. The rotary fluid dispensing mechanism of an infusion pump of claim 1, wherein: the two ends of the infusion tube (3) are provided with connectors (31), and two ends of the mounting groove (11) are provided with clamping grooves (13) for clamping and fixing the connectors (31).

6. The rotary fluid dispensing mechanism of an infusion pump of claim 5, wherein: the two sides of the mounting groove (11) are close to the joint (31), and the joint is provided with an avoidance groove (14), and the diameter size of the avoidance groove (14) is larger than that of the pipe groove (12).