CN213191756U - Medical clinical continuous injection system - Google Patents

Medical clinical continuous injection system Download PDF

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Publication number
CN213191756U
CN213191756U CN202020442182.9U CN202020442182U CN213191756U CN 213191756 U CN213191756 U CN 213191756U CN 202020442182 U CN202020442182 U CN 202020442182U CN 213191756 U CN213191756 U CN 213191756U
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pipeline
groups
infusion
branch
infusion tube
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CN202020442182.9U
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江川
徐雪芬
王洪柱
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Womens Hospital of Zhejiang University School of Medicine
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Womens Hospital of Zhejiang University School of Medicine
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Abstract

The utility model discloses a medical clinical continuous injection system, which comprises a pipeline connecting external member and a circulating infusion pump, wherein the circulating infusion pump comprises an equipment shell and a pushing component, the equipment shell is provided with two groups of fixing groove positions for adapting to the fixation of two groups of injectors, the equipment shell is provided with a fixing part at the rear end of a piston shaft of the injectors, the fixing part is arranged on a chute of the equipment shell in a sliding way, the two groups of pushing components are respectively connected and fixed with corresponding fixing parts, the pushing component drives the fixing part to slide back and forth on the chute, the pushing directions of the two groups of pushing components are kept opposite, the utility model has reasonable structural design, overcomes the problems that the traditional micropump can not continuously supply liquid and the traditional peristaltic pump has large pipeline damage and abrasion, easily generates liquid leakage and has low precision, and the structural design leads the equipment structure to be compact, small volume and convenient use.

Description

Medical clinical continuous injection system
Technical Field
The utility model relates to a medical equipment, in particular to medical clinical continuous injection system.
Background
The infusion pump is used for providing power in the process of injecting liquid medicine or nutrient, two devices of a micro pump and a peristaltic pump are adopted in the traditional operation, wherein the micro pump generally pushes an injector to inject, the micro pump has the characteristic of high precision, but is not suitable for continuous infusion, the injector needs to be continuously replaced, the peristaltic pump adopts a cam group to sequentially extrude an infusion tube to provide power, the use time is long, the abrasion of the infusion tube is serious, even the condition of liquid seepage can occur, and the dosage of the infusion is not accurately controlled, so that the problem to be solved by technical personnel in the field is related to the high-precision infusion pump capable of performing circulating infusion.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide a medical clinical continuous injection system with reasonable structural design.
The utility model provides a technical scheme that above-mentioned problem adopted is: a medical clinical continuous injection system comprises a pipeline connecting kit and a circulating infusion pump;
the circulating infusion pump comprises an equipment shell and pushing components, wherein the equipment shell is provided with two groups of fixing groove positions for being matched with two groups of injectors to be fixed, the equipment shell is provided with a fixing piece at the rear end of a piston shaft of the injector, the fixing piece is arranged on a sliding groove of the equipment shell in a sliding mode, the two groups of pushing components are respectively connected and fixed with the corresponding fixing pieces, the pushing components drive the fixing pieces to slide on the sliding groove back and forth, and the pushing directions of the two groups of pushing components are opposite;
the pipeline connecting kit comprises an upper infusion tube, a lower infusion tube and two groups of pipeline connectors, the upper infusion tube, the lower infusion tube and the pipeline connectors are all provided with three groups of connecting branches, the three groups of connecting branches corresponding to the upper infusion tube, the lower infusion tube and the pipeline connectors are mutually communicated, second branch tubes of the two groups of pipeline connectors are respectively communicated with second branch tubes of the upper infusion tube and third branch tubes of the upper infusion tube, and third branch tubes of the two groups of pipeline connectors are respectively communicated with second branch tubes of the lower infusion tube and third branch tubes of the lower infusion tube;
the injection head ends of the two groups of injectors are communicated with a first branch pipe of the pipeline connector, a second branch pipe of the two groups of pipeline connectors is connected with an infusion source, a third branch pipe of the two groups of pipeline connectors is connected with an injection receiving end, the second branch pipe and the third branch pipe of the pipeline connector are respectively provided with a first one-way valve and a second one-way valve, the infusion direction of the first one-way valve is from the infusion source to the injectors, and the infusion direction of the second one-way valve is from the injectors to the injection receiving end;
preferably, the method comprises the following steps: the promotion part include lead screw and slider, the lead screw rotate to set up in the cavity of equipment casing and unanimous with the injection direction of syringe, the slider slide through the screw-thread fit and set up on the lead screw, two sets of sliders of two sets of promotion parts are connected fixedly with two sets of mountings that correspond, the screw opposite direction of two sets of lead screws set up, the one end of lead screw be provided with driven gear, the cavity of equipment casing in be provided with driving motor, driving motor's output shaft be provided with drive gear, drive gear's both sides respectively corresponding two sets of driven gear meshing that correspond.
Preferably, the method comprises the following steps: the fixed groove position is provided with a first clamping groove matched with a piston handle at the tail end of a piston shaft of the injector, and the fixed groove position is also provided with a second clamping groove matched with a limiting ring of the injector barrel.
Preferably, the method comprises the following steps: the fixed trench still be provided with the depression bar, the depression bar be "L" form, a set of branch of depression bar is to rotate and slide and insert and establish in the slide of installation casing, is provided with reset spring in the slide, one section and the spout tail end of reset spring are fixed, reset spring's the other end is fixed with a set of branch of depression bar, another set of branch of depression bar be connected with the wall laminating of the syringe of corresponding connection.
Preferably, the method comprises the following steps: and a heating device is arranged on the fixing groove position.
Preferably, the method comprises the following steps: the first branch pipe of the upper infusion pipe is connected with an infusion source through an infusion source pipeline, and the first branch pipe of the lower infusion pipe is connected with an injection receiving end through the tail end of an injection pipeline.
Preferably, the method comprises the following steps: the transfusion source pipeline and the injection pipeline are both provided with air bubble blocking devices.
Preferably, the method comprises the following steps: and a third valve body and a fourth valve body are arranged at the joint of the second straight pipe and the third branch pipe of the lower infusion pipe and the first branch pipe of the lower infusion pipe.
Preferably, the method comprises the following steps: the upper infusion tube and the lower infusion tube are sleeved with the corresponding tube connectors in an interference fit manner and are connected in a sealing manner through viscose glue.
Preferably, the method comprises the following steps: the adaptation position of installation casing be provided with the mounting groove that is used for fixed upper transfer line and next transfer line, upper transfer line and next transfer line interference buckle establish on the mounting groove that corresponds.
Compared with the prior art, the utility model, have following advantage and effect: the structure design is reasonable, the problems that the traditional micropump can not continuously supply liquid and the traditional peristaltic pump has large damage and abrasion to the pipeline, liquid leakage is easy to occur and the precision is low are solved, two groups of injectors are arranged on the corresponding fixed groove positions and are respectively pushed by one group of pushing parts, wherein the actions of the two groups of pushing parts are opposite and the piston shafts of the injectors are circularly driven to slide back and forth, so when the two groups of pushing parts work, one group of injectors absorb liquid, the other group of injectors discharge liquid, and continuous circulating liquid injection can be carried out, the structure design has compact structure, small volume and convenient use, and meanwhile, the injectors are arranged in the same direction and are also convenient for the arrangement of the pipeline for infusion injection, in the structure, a screw rod sliding block structure is adopted, the precision of the infusion output quantity is effectively ensured, and the device is particularly suitable for controlling the high-precision liquid medicine quantity and the liquid medicine speed, and two sets of pushing mechanism are driven by a set of driving motor, have guaranteed the uniformity of output, also make things convenient for synchronous output control simultaneously, avoid the inconsistent trouble of output.
Drawings
Fig. 1 is a schematic structural diagram of a medical clinical continuous injection system according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a pushing member according to an embodiment of the present invention.
Fig. 3 is a connection diagram of a syringe tube connection kit according to an embodiment of the present invention.
Fig. 4 is a block diagram of the connection between the micro-fixing slot and the injector.
Fig. 5 is a connection block diagram of the micro-pressure bar and the injector of the present invention.
The reference numbers: the device comprises a device shell 1, an injector 2, a piston shaft 21, a fixing groove 11, a fixing part 12, a sliding groove 13, an upper infusion tube 3, a lower infusion tube 4, a pipeline connector 5, an infusion source 6, an injection receiving end 7, a first one-way valve 51, a second one-way valve 52, a screw rod 14, a sliding block 15, a driven gear 16, a driving motor 17, a driving gear 18, a piston handle 22, a first clamping groove 23, a limiting ring 24, a second clamping groove 25, a pressing rod 19, a sliding rail 110, a reset spring 111, a heating device 112, an infusion source pipeline 8, an injection pipeline 9, an air blocking and bubbling device 81, a third valve body 41, a fourth valve body 42, a control board 10 and a mounting groove 114.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.
Example 1:
referring to fig. 1-5, the medical clinical continuous injection system of the present embodiment includes a tubing connection kit and a circulating infusion pump;
the circulating infusion pump comprises an equipment shell 1 and pushing components, wherein the equipment shell 1 is provided with two groups of fixed groove positions 11 which are used for being matched with two groups of injectors 2 to be fixed, the equipment shell 1 is provided with a fixing piece 12 at the rear end of a piston shaft 21 of the injector 2, the fixing piece 12 is arranged on a sliding groove 13 of the equipment shell 1 in a sliding manner, the two groups of pushing components are respectively connected and fixed with the corresponding fixing pieces 12, the pushing components drive the fixing piece 12 to slide back and forth on the sliding groove 13, and the pushing directions of the two groups of pushing components are opposite;
the pipeline connecting kit comprises an upper infusion tube 3, a lower infusion tube 4 and two sets of pipeline connectors 5, wherein the upper infusion tube 3, the lower infusion tube 4 and the pipeline connectors 5 are respectively provided with three sets of connecting branches, the three sets of connecting branches corresponding to the upper infusion tube 3, the lower infusion tube 4 and the pipeline connectors 5 are mutually communicated, second branch tubes of the two sets of pipeline connectors 5 are respectively communicated with second branch tubes of the upper infusion tube 3 and third branch tubes of the upper infusion tube 3, and third branch tubes of the two sets of pipeline connectors 5 are respectively communicated with second branch tubes of the lower infusion tube 4 and third branch tubes of the lower infusion tube 4;
the injection head end of two sets of syringes 2 and the first branch pipe intercommunication of pipeline connector 5, the infusion source 6 (infusion bag) is connected to the second branch pipe of two sets of pipeline connector 5, the injection receiving terminal 7 (patient) is connected to the third branch pipe of two sets of pipeline connector 5, the second branch pipe and the third branch pipe of pipeline connector 5 equally divide and do not be provided with first check valve 51 and second check valve 52, the infusion direction of first check valve 51 for by infusion source 6 to syringe 2, the infusion direction of second check valve 52 is by syringe 2 to injection receiving terminal 7.
The embodiment relates to an energy supply device for medical infusion injection, which is used for injecting and conveying liquid medicine or nutrient in clinic, and aims to overcome the problems that the traditional micropump can not continuously supply liquid and the traditional peristaltic pump has large damage and abrasion to the pipeline, liquid leakage is easy to occur and the precision is low, the embodiment designs a medical clinical continuous injection system, in the embodiment, two groups of injectors 2 are arranged on corresponding fixed groove positions 11, the two groups of injectors 2 are respectively pushed by a group of pushing components, wherein the actions of the two groups of pushing components are opposite and circularly drive piston shafts 21 of the injectors 2 to slide back and forth, therefore, when the two groups of pushing components work, one group of injectors 2 suck liquid, the other group of injectors 2 discharge liquid, and vice versa, the structural design enables the device structure to be compact, the volume to be small, the use to be convenient, and meanwhile, the injectors 2 are arranged in the same direction and are convenient for arrangement, wherein the strokes of the two groups of pushing components in unit time are completely the same, so that through the back and forth movement of the two groups of pushing components, one group of injector 2 and the other group of injection circulation can suck the liquid medicine from the infusion source 6 and convey the liquid medicine to the injection receiving end 7, the first one-way valve 51 and the second one-way valve 52 can effectively ensure the output direction of the liquid medicine, avoid the backflow of the liquid medicine, and simultaneously ensure the normal operation of the actions of sucking and discharging liquid in the circulation process, wherein the specific pushing components in the structure comprise a screw rod 14 and a slide block 15, the screw rod 14 is rotationally arranged in the cavity of the device shell 1 and is consistent with the injection direction of the injector 2, the slide block 15 is arranged on the screw rod 14 in a sliding manner through thread matching, the two groups of slide blocks 15 of the two groups of pushing components are connected and fixed with the corresponding two groups of fixing parts 12, the, 14, the cavity of equipment casing 1 in be provided with driving motor 17, driving motor 17's output shaft be provided with drive gear 18, drive gear 18's both sides respectively in two sets of driven gear 16 meshing that correspond, in this structure, adopt 14 slider 15 structures of lead screw, its effectual precision of guaranteeing the infusion output quantity, the control of the liquid medicine speed of specially adapted high accuracy liquid medicine volume and unit interval, and two sets of pushing mechanism are driven by a set of driving motor 17, have guaranteed the uniformity of output, also make things convenient for synchronous output control simultaneously, avoid exporting inconsistent trouble.
In this embodiment, the fixing slot 11 is provided with a first engaging groove 23 adapted to a piston handle 22 at the tail end of a piston shaft 21 of the syringe 2, the fixing slot 11 is further provided with a second engaging groove 25 adapted to a limiting ring 24 of a barrel of the syringe 2, so that an injection tube of the syringe 2 and the piston shaft 21 can be quickly and stably fixed to the fixing slot 11 and connected to a connecting member, the fixing slot 11 is further provided with a pressing rod 19, the pressing rod 19 is L-shaped, a group of support rods of the pressing rod 19 are rotatably and slidably inserted into a slide rail 110 of the mounting housing, a return spring 111 is arranged in the slide rail 110, one section of the return spring 111 is fixed to the tail end of the slide rail 13, the other end of the return spring 111 is fixed to a group of support rods of the pressing rod 19, the other group of support rods of the pressing rod 19 is attached to the wall surface of the syringe 2 correspondingly connected, and the syringe 2 can be further stably supported and fixed by the pressing rod, the return spring 111 has good elastic compression performance, and simultaneously, the syringes 2 of different models can be used, and the syringes 2 with different thicknesses and lengths are fixed.
The fixing slot 11 described in this embodiment is provided with a heating device 112, and specifically, a heating coil or a heating rod is provided in the cavity of the fixing housing corresponding to the fixing slot 11 to heat the housing of the fixing slot 11, so that the liquid medicine or the nutrient solution of the syringe 2 is heated by heat conduction, and the comfort is improved during the infusion injection process.
In this embodiment the first branch pipe of superior transfer line 3 pass through infusion source pipeline 8 and connect infusion source 6, the end-to-end connection injection receiving terminal 7 that the first branch pipe of inferior transfer line 4 passes through injection pipeline 9, wherein infusion source pipeline 8 and injection pipeline 9 all be provided with choke bubble device 81, current general adoption liquid medicine that adopts of choke bubble device 81 realize through the liquid not air film material to prevent that the gas in the liquid medicine from getting into the human body and causing gaseous embolism, cause human harm or even cause the death.
The third valve body 41 and the fourth valve body 42 are arranged at the joint of the second straight pipe and the third branch pipe of the lower infusion tube 4 and the first branch pipe thereof, so that gas backflow is further prevented, and the smoothness and safety of infusion injection are ensured.
Wherein the upper infusion tube 3, the lower infusion tube 4 and the corresponding pipeline connector 5 are sleeved by interference and are hermetically connected by viscose, so that the upper infusion tube 3, the lower infusion tube 4 and the corresponding pipeline connector 5 are integrally connected to form an integrated kit, the kit is convenient to package and directly adopt and use, and the clinical convenience is improved.
The adaptive position of the mounting shell 1 is provided with a mounting groove 113 for fixing the upper infusion tube 3 and the lower infusion tube 4, and the upper infusion tube 3 and the lower infusion tube 4 are buckled on the corresponding mounting groove 113 in an interference manner.
The mounting housing in this embodiment is further provided with a control panel 10, wherein the control panel 10 is connected to the driving motor 17 and the heating device 112, and the control of the start and stop of the operation of the driving motor 17 and the heating device 112 is realized through a control button of the control panel 10.
The above description in this specification is merely illustrative of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims (10)

1. A medical clinical continuous injection system, characterized by: comprises a pipeline connecting external member and a circulating infusion pump;
the circulating infusion pump comprises an equipment shell and pushing components, wherein the equipment shell is provided with two groups of fixing groove positions for being matched with two groups of injectors to be fixed, the equipment shell is provided with a fixing piece at the rear end of a piston shaft of the injector, the fixing piece is arranged on a sliding groove of the equipment shell in a sliding mode, the two groups of pushing components are respectively connected and fixed with the corresponding fixing pieces, the pushing components drive the fixing pieces to slide on the sliding groove back and forth, and the pushing directions of the two groups of pushing components are opposite;
the pipeline connecting kit comprises an upper infusion tube, a lower infusion tube and two groups of pipeline connectors, the upper infusion tube, the lower infusion tube and the pipeline connectors are all provided with three groups of connecting branches, the three groups of connecting branches corresponding to the upper infusion tube, the lower infusion tube and the pipeline connectors are mutually communicated, second branch tubes of the two groups of pipeline connectors are respectively communicated with second branch tubes of the upper infusion tube and third branch tubes of the upper infusion tube, and third branch tubes of the two groups of pipeline connectors are respectively communicated with second branch tubes of the lower infusion tube and third branch tubes of the lower infusion tube;
the injection head end of two sets of syringes and pipeline connector's first branch pipe intercommunication, two sets of pipeline connector's second branch connection transfusion source, two sets of pipeline connector's third branch pipe connection injection receiving terminal, pipeline connector's second branch pipe and third branch pipe equally divide and do not be provided with first check valve and second check valve, the infusion direction of first check valve for by transfusion source to syringe, the infusion direction of second check valve is by syringe to injection receiving terminal.
2. The medical clinical continuous injection system of claim 1, wherein: the promotion part include lead screw and slider, the lead screw rotate to set up in the cavity of equipment casing and unanimous with the injection direction of syringe, the slider slide through the screw-thread fit and set up on the lead screw, two sets of sliders of two sets of promotion parts are connected fixedly with two sets of mountings that correspond, the screw opposite direction of two sets of lead screws set up, the one end of lead screw be provided with driven gear, the cavity of equipment casing in be provided with driving motor, driving motor's output shaft be provided with drive gear, drive gear's both sides respectively corresponding two sets of driven gear meshing that correspond.
3. A medical clinical continuous injection system according to claim 1 or 2, wherein: the fixed groove position is provided with a first clamping groove matched with a piston handle at the tail end of a piston shaft of the injector, and the fixed groove position is also provided with a second clamping groove matched with a limiting ring of the injector barrel.
4. A medical clinical continuous injection system according to claim 3, wherein: the fixed trench still be provided with the depression bar, the depression bar be "L" form, a set of branch of depression bar is to rotate and slide and insert and establish in the slide of installation casing, is provided with reset spring in the slide, one section and the spout tail end of reset spring are fixed, reset spring's the other end is fixed with a set of branch of depression bar, another set of branch of depression bar be connected with the wall laminating of the syringe of corresponding connection.
5. The medical clinical continuous injection system of claim 1, wherein: and a heating device is arranged on the fixing groove position.
6. The medical clinical continuous injection system of claim 1, wherein: the first branch pipe of the upper infusion pipe is connected with an infusion source through an infusion source pipeline, and the first branch pipe of the lower infusion pipe is connected with an injection receiving end through the tail end of an injection pipeline.
7. The medical clinical continuous injection system of claim 6, wherein: the transfusion source pipeline and the injection pipeline are both provided with air bubble blocking devices.
8. The medical clinical continuous injection system of claim 6, wherein: and a third valve body and a fourth valve body are arranged at the joint of the second straight pipe and the third branch pipe of the lower infusion pipe and the first branch pipe of the lower infusion pipe.
9. The medical clinical continuous injection system of claim 1, wherein: the upper infusion tube and the lower infusion tube are sleeved with the corresponding tube connectors in an interference fit manner and are connected in a sealing manner through viscose glue.
10. The medical clinical continuous injection system of claim 4, wherein: the adaptation position of installation casing be provided with the mounting groove that is used for fixed upper transfer line and next transfer line, upper transfer line and next transfer line interference buckle establish on the mounting groove that corresponds.
CN202020442182.9U 2020-03-31 2020-03-31 Medical clinical continuous injection system Active CN213191756U (en)

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Application Number Priority Date Filing Date Title
CN202020442182.9U CN213191756U (en) 2020-03-31 2020-03-31 Medical clinical continuous injection system

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Application Number Priority Date Filing Date Title
CN202020442182.9U CN213191756U (en) 2020-03-31 2020-03-31 Medical clinical continuous injection system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114870153A (en) * 2022-04-08 2022-08-09 深圳市科曼医疗设备有限公司 Combined pump

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114870153A (en) * 2022-04-08 2022-08-09 深圳市科曼医疗设备有限公司 Combined pump
CN114870153B (en) * 2022-04-08 2023-11-21 深圳市科曼医疗设备有限公司 Composite pump

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