Quantitative automatic injection device for cardiovascular liquid medicine

Abstract

The utility model relates to equipment used in the cardiovascular treatment process, in particular to a quantitative automatic injection device for cardiovascular liquid medicine. A quantitative automatic cardiovascular liquid medicine injection device comprises a bottom plate for installation, a sliding table cylinder for providing power is installed on the bottom plate, a medicine cylinder is installed at the front end of the bottom plate, a three-way valve is arranged at the front end of the medicine cylinder, a connector at one end of the three-way valve is used for being connected with a medicine tank, and a connector at the other end of the three-way valve is communicated with a conveying pipe. According to the quantitative automatic injection device for cardiovascular liquid medicine, the programmable single-chip microcomputer is used for controlling timing and quantitative forward movement of the sliding table cylinder, the medicine injection amount is obtained by calculating the diameter of the medicine cylinder and the movement process of the piston head in the medicine cylinder, and the liquid medicine can be output in a timing and quantitative mode under control of the single-chip microcomputer; the treatment requirements of critical patients are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the equipment used in the cardiovascular treatment process, especially a cardiovascular liquid medicine quantitative automatic injection device. BACKGROUND

[0002] The common symptoms of cardiovascular disease are palpitation, shortness of breath, sitting respiration, paroxysmal dyspnea at night, oppressive or constrictive pain behind sternum, chest distress, edema, cyanosis, syncope, cough and hemoptysis, weakness, belching, upper abdominal pain, nausea, vomiting, left back pain, left arm pain and the like.

[0003] The severe patients of cardiovascular disease need to input specific medicine regularly during the hospitalization process, which needs medical staff to perform injection operation regularly, thereby increasing the medical care difficulty of medical staff.

[0004] In view of the above defects, the designer actively researches and innovates, so as to create a cardiovascular liquid medicine quantitative automatic injection device, so that it has more industrial utilization value. INVENTION CONTENTS

[0005] To solve the above technical problems, the purpose of the utility model is to provide a cardiovascular liquid medicine quantitative automatic injection device.

[0006] The cardiovascular liquid medicine quantitative automatic injection device of the utility model, including the bottom plate of installation, the bottom plate is installed with the slide table cylinder for providing power, the front end of the bottom plate is installed with the medicine cartridge, the front end of the medicine cartridge has the three-way valve, one end of the three-way valve is connected with the medicine tank, and the other end is connected with the conveying pipe.

[0007] The cardiovascular liquid medicine quantitative automatic injection device pushes the liquid medicine in the medicine cartridge to carry out quantitative conveying through the slide table cylinder, and the opening and closing of the slide table cylinder is controlled by the corresponding programmable single-chip microcomputer, so that the purpose of regular quantitative pushing is realized, and the demand of quantitative injection is met.

[0008] Further, the inner cylinder of the medicine cartridge has a piston head attached to the inner side wall of the medicine cartridge, the rear end of the piston head is a connecting rod penetrating through the medicine cartridge, and the connecting rod is fixedly connected with the sliding block of the slide table cylinder.

[0009] The piston head moves in the medicine cartridge, that is, the medicine sending operation is performed, and the movement of the piston head is realized through the cooperation of the slide table cylinder and the connecting rod.

[0010] Further, the piston head has a plurality of rubber rings.

[0011] The plurality of rubber rings on the piston head can better attach to the inner wall of the medicine cartridge, thereby improving the sealing property.

[0012] Further, the slider has a plurality of screw holes arranged in a long strip shape, and the tail end of the connecting rod is fixed with a sleeve ring, and the locking bolt is screwed into the screw hole after passing through the sleeve ring.

[0013] The mounting position of the connecting rod and the slider is adjustable, so that the length of the piston head depth is convenient, and the use requirements in different cases are met.

[0014] Further, the bottom plate has a cover plate covering the sliding table cylinder, and the end face of the cover plate is used for fixing the medicine cartridge.

[0015] The cover plate on the bottom plate is used for protecting the sliding table cylinder, and provides a mounting position for the medicine cartridge.

[0016] Further, the sliding table cylinder, the medicine cartridge and the three-way valve on the bottom plate are divided into two groups and arranged in parallel.

[0017] The structure of the sliding table cylinder, the medicine cartridge and the three-way valve arranged on the bottom plate is provided in two groups, so that two kinds of liquid medicine can be injected.

[0018] By the above scheme, the cardiovascular liquid quantitative automatic injection device has at least the following advantages: the programmable single-chip microcomputer is used for controlling the timing and quantitative forward movement of the sliding table cylinder, the diameter of the medicine cartridge and the movement process of the piston head inside are calculated to obtain the injection amount of the medicine, and the single-chip microcomputer can output the liquid medicine in a timed and quantitative manner to meet the treatment needs of severe patients.

[0019] The above description is only a summary of the technical scheme of the present application, in order to more clearly understand the technical means of the present application, and the contents of the specification can be implemented, the following will be described in detail with the preferred embodiment of the present application and the accompanying drawings. DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiments, it should be understood that the following drawings only show some embodiments of the present application, therefore should not be regarded as a limitation on the scope, for those skilled in the art, without creative labor, other related drawings can also be obtained from these drawings.

[0021] Figure 1 is a structural schematic diagram of the present application;

[0022] Figure 2 is a structural schematic diagram of the present application without part of the shell;

[0023] 1, bottom plate, 2, sliding table cylinder, 3, medicine cartridge, 4, three-way valve, 5, piston head, 6, connecting rod, 7, slider, 8, sleeve ring, 9, locking bolt, 10, cover plate. DETAILED DESCRIPTION

[0024] The specific embodiments of the utility model are described in further detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but are not used to limit the scope of the utility model.

[0025] Referring to Figure 1 The bottom plate 1 of the cardiovascular medicine liquid quantitative automatic injection device is a mounting flat plate, which can be mounted on some mobile / fixed equipment, such as a tool cart and a bedside cabinet, by a bolt / magnetic attraction fixing mode. The slide table cylinder 2 and the medicine cartridge 3 are fixed on the bottom plate 1 by bolts. The slide table cylinder 2 can drive the mechanism in the medicine cartridge 3 to move. By extrusion, the medicine liquid in the medicine cartridge 3 is extruded outward. The medicine liquid is injected into the infusion equipment of a patient or a retention needle through the interface position of the connecting delivery pipe on the three-way valve 4, and the injection of the medicine liquid is completed. When the medicine cartridge 3 is operated to add medicine, the interface at the lower end of the three-way valve 4 is communicated with the medicine cartridge 3. The structure in the medicine cartridge 3 moves backward, and the medicine liquid is sucked into the medicine cartridge 3 by negative pressure.

[0026] Referring to Figure 2 The piston head 5 in the medicine cartridge 3 is attached to the inner side wall of the medicine cartridge 3. The movement of the piston head 5 completes the injection and extraction of the medicine liquid. The piston head 5 is fixed with the slide block 7 on the slide table cylinder 2 through the connecting rod 6. The movement of the piston head 5 is driven by the movement of the slide block 7 on the slide table cylinder 2, which facilitates the quantitative delivery of the medicine liquid.

[0027] The multiple rubber rings around the piston head 5 can better contact the inner side wall of the medicine cartridge 3, and improve the sealing effect.

[0028] The locking bolt 9 can be installed in any screw hole on the slide block 7. The locking bolt 9 is sleeved with the collar 8. After the locking bolt 9 is assembled, the installation position of the connecting rod 6 connected to the collar 8 can be limited, which is convenient for use under different conditions.

[0029] A cover plate 10 is also fixed on the bottom plate 1. The cover plate 10 is used to cover the related mechanisms such as the connecting rod 6 at the rear end of the slide table cylinder 2 and the medicine cartridge 3, and plays a dustproof and waterproof role.

[0030] The slide table cylinder 2, the medicine cartridge 3 and the three-way valve 4 of the main structure arranged on the bottom plate 1 are arranged in two groups and are parallel to each other, and two different medicine liquid timing quantitative injections can be performed at the same time.

[0031] The working principle of the utility model is as follows:

[0032] The cardiovascular medicine liquid quantitative automatic injection device, when medicine adding operation is performed, the interface of the lower end of the three-way valve 4 is connected with the medicine liquid tank, the slide table cylinder 2 drives the piston head 5 to move backward, negative pressure is formed in the medicine cartridge 3, the medicine liquid can be sucked into the medicine cartridge 3, after the medicine liquid is sucked, the three-way valve 4 is reversed, the interface is connected with the infusion end, through editing of the single-chip microcomputer, the slide table cylinder 2 is moved in a quantitative and timed manner, the piston head 5 is driven to move forward, the medicine liquid is injected into the infusion mechanism through the pipeline or is directly connected with the indwelling needle, and the quantitative infusion is completed.

[0033] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0034] Secondly: the utility model discloses the embodiment of the drawings, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other;

[0035] Finally: the above-mentioned is only the preferred embodiment of the utility model, and does not limit the utility model, it should be pointed out that, for ordinary skilled person in the art, on the premise of not departing from the technical principle of the present application, a plurality of improvements and modifications can be made, and these improvements and modifications should be regarded as the protection scope of the utility model.

Claims

1. A cardiovascular medicine liquid quantitative automatic injection device comprising a bottom plate (1) for installation, characterized in that: The bottom plate (1) is provided with a slide cylinder (2) for providing power, the front end of the bottom plate (1) is provided with a medicine cylinder (3), the front end of the medicine cylinder (3) is provided with a three-way valve (4), one end of the three-way valve (4) is connected with a medicine tank, and the other end is connected with a delivery pipe.

2. The automatic injection device for quantitative administration of cardiovascular drugs according to claim 1, characterized in that: The inner cylinder of the medicine cylinder (3) is provided with a piston head (5) attached to the inner side wall of the medicine cylinder (3), the rear end of the piston head (5) is provided with a connecting rod (6) penetrating through the medicine cylinder (3), and the connecting rod (6) is fixedly connected with a sliding block (7) of the slide cylinder (2).

3. The liquid medicine auto-injector according to claim 2, wherein: The piston head (5) is provided with multiple rubber rings.

4. The automatic liquid injection device according to claim 3, wherein: the liquid injection device is a cardiovascular drug liquid injection device. The sliding block (7) is provided with multiple screw holes arranged in a strip shape, the tail end of the connecting rod (6) is fixedly provided with a sleeve ring (8), and a locking bolt (9) penetrates through the sleeve ring (8) and is screwed into the screw hole.

5. The automatic injection device for quantitative dispensing of cardiovascular drugs according to claim 4, characterized in that: The bottom plate (1) is provided with a cover plate (10) covering the slide cylinder (2), and the end face of the cover plate (10) is used for fixing the medicine cylinder (3).

6. The automatic injection device for quantitative dispensing of cardiovascular drugs according to claim 5, characterized in that: The slide cylinder (2), the medicine cylinder (3) and the three-way valve (4) on the bottom plate (1) are divided into two groups and arranged in parallel.

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