Medical electric control piston type medicine injection pump

Abstract

The medical electric control piston type medicine injection pump comprises a fixed box and an adjusting box, the adjusting box is installed on one side of the fixed box, a moving groove is formed in the top face of the adjusting box, a connecting rod is slidably connected to the interior of the moving groove, and the upper end of the connecting rod extends to the position above the moving groove and is connected with a clamping and pushing mechanism. When the device is used, a needle cylinder is flatly placed in the mounting groove, cylinder wings of the needle cylinder are embedded into the fixing groove, a push plate of an injector is clamped through the two clamping plates, during clamping, the clamping plates are opened towards the two sides and are loosened after being placed on the two sides of the push plate, and fixing can be completed, and operation is easy; a shading plate is contained in the fixing box, the shading plate can be driven by a motor to be unfolded, the unfolded shading plate covers the outer side of a needle cylinder, a good shading effect is achieved on liquid medicine needing to be shaded, meanwhile, a certain heating effect can be achieved on an injector through an electric heating wire installed on the inner wall of the shading plate, discomfort caused by use in winter is reduced, and the safety of a patient is improved. And the functionality of the whole injection pump is improved.

Description

Technical Field

[0001] The invention relates to the technical field of medical devices, in particular to a medical electrically controlled piston drug injection pump. Background Art

[0002] During the medical treatment process, there are always some patients who need to maintain a certain drug concentration in their bodies to achieve the purpose of treatment. Traditional injection devices are directly operated by nurses, which has great uncertainty, brings great difficulties to the injection process, and is very likely to cause medical accidents and endanger the life safety of patients. Therefore, automatic injection pumps have appeared on the market. The injection pump is composed of a stepper motor and its driver, a screw and a bracket, etc. It has a reciprocating screw and nut, so it is also called a screw pump. The nut is connected to the piston of the syringe. The syringe contains liquid medicine to achieve high-precision, smooth and pulsation-free liquid transmission, pulsation-free delivery: uniform motion throughout the whole process, smooth and pulsation-free operation Wide range of operating speed: 10,000 times the wide operating speed range greatly increases the flexibility of users. No need to clean, only need to replace the syringe to deliver fluids with different characteristics. Accurate flow and high control accuracy. When ≥30% of the full stroke, the control error is ≤±0.5%.

[0003] The existing medical electronically controlled piston drug injection pump has a single function. The medicine inside the syringe is injected by pushing the push rod. The clamping operation before injection is cumbersome. When used in winter, the injection liquid will cause discomfort to the patient. Therefore, a medical electronically controlled piston drug injection pump is proposed. Summary of the invention

[0004] 1. Technical issues to be solved

[0005] In view of the shortcomings of the existing technology, the present invention provides a medical electronically controlled piston drug injection pump, which solves the following problems: the existing medical electronically controlled piston drug injection pump has a single functionality, and the medicine inside the syringe is injected by pushing the push rod. The clamping operation before injection is cumbersome, and when used in winter, the injection liquid will cause discomfort to the patient.

[0006] (II) Technical solution

[0007] To achieve the above object, the present invention is implemented by the following technical scheme: a medical electric-controlled piston drug injection pump, comprising a fixed box and an adjusting box, the adjusting box is installed on one side of the fixed box, a moving groove is opened on the top surface of the adjusting box, and a connecting rod is slidably connected inside the moving groove, and the upper end of the connecting rod extends above the moving groove and is connected to a clamping and pushing mechanism;

[0008] A mounting groove is provided in the middle of the top surface of the fixing box, and a syringe is placed in the mounting groove. Protrusions are provided at the ends of the top surface of the fixing box and on both sides of the mounting groove, and a fixing groove is provided on the surface of the protrusion, and the fixing groove is connected to the mounting groove. Receiving grooves are provided on the top surface of the fixing box and on both sides of the mounting groove, and a light shielding plate is movably connected inside the receiving groove.

[0009] The shading plate has an arc-shaped structure and an insulation groove is provided on the inner wall. The heating wire is laid in a serpentine shape in the insulation groove. A driving groove is provided on the outer wall of the shading plate. A plurality of teeth are evenly arranged on the surface of the driving groove. The internal rotation of the fixed box is connected with a gear and the gear is meshed with the teeth.

[0010] As a further preferred embodiment of the present invention, the clamping and pushing mechanism includes a moving block and two clamping plates, a sliding groove is provided on the top surface of the moving block and a slider is slidably connected inside the sliding groove, two sliders are provided and the upper ends of the sliders are respectively fixedly connected to the bottom of the clamping plates, clamping grooves are provided on the opposite surfaces of the two clamping plates, and an arc groove is provided in the middle of the clamping groove.

[0011] As a further preferred embodiment of the present invention, through holes are respectively provided at both ends of the moving block, a guide column is movably connected in the through hole, the end of the guide column is fixedly connected to the side wall of the slider, a spring is sleeved on the guide column, one end of the spring is connected to the inner wall of the slide groove, and the other end is connected to the slider.

[0012] As a further preferred embodiment of the present invention, a screw is rotatably connected inside the regulating box, a screw sleeve is threadedly connected to the screw, the top of the screw sleeve is fixedly connected to the end of the connecting rod, a motor 1 is installed on the outer wall of the regulating box, and the power output end of the motor 1 is connected to the screw.

[0013] As a further preferred embodiment of the present invention, guide grooves are respectively provided at both ends of the storage groove, guide strips are respectively provided at both ends of the shading plate, and the guide strips are movably connected to the guide grooves.

[0014] As a further preferred embodiment of the present invention, a second motor is installed at the front end of the fixing box and a power output end of the second motor is connected to a gear.

[0015] As a further preferred embodiment of the present invention, a control console is also installed on one side of the fixing box.

[0016] (III) Beneficial effects

[0017] The present invention provides a medical electronically controlled piston drug injection pump, which has the following beneficial effects:

[0018] The present invention, when in use, places the syringe flatly in the mounting groove, the wing of the syringe is embedded in the fixing groove, and the push plate of the syringe is clamped by two clamping plates. When clamping, the clamping plates are opened to both sides, placed on both sides of the push plate and then released to complete the fixation, and the operation is simple; a shading plate is stored inside the fixing box, and the shading plate can be unfolded by a motor drive, and after unfolding, it covers the outside of the syringe, which has a good shading effect for the liquid medicine that needs to be protected from light. At the same time, the electric heating wire installed on the inner wall of the shading plate can also have a certain heating effect on the syringe, thereby reducing the discomfort caused by winter use and improving the functionality of the entire injection pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is an external structural diagram of the medical electronically controlled piston drug injection pump of the present invention;

[0020] Figure 2 It is a structural diagram of the fixing box of the present invention;

[0021] Figure 3 It is a structural diagram of the clamping and pushing mechanism of the present invention;

[0022] Figure 4 This is an internal structural diagram of the clamping and pushing mechanism of the present invention;

[0023] Figure 5 This is a diagram of the internal structure of the regulating box of the present invention;

[0024] Figure 6 This is a diagram of the internal structure of the fixing box of the present invention.

[0025] In the figure: 1. fixing box; 2. adjusting box; 3. clamping and pushing mechanism; 4. motor 1; 5. moving slot; 6. control console; 7. storage slot; 8. guide slot; 9. sunshade; 10. installation slot; 11. guide strip; 12. fixing slot; 13. clamping plate; 14. clamping slot; 15. moving block; 16. slider; 17. slide slot; 18. through hole; 19. guide column; 20. spring; 21. connecting rod; 22. screw sleeve; 23. screw; 24. insulation slot; 25. heating wire; 26. driving slot; 27. teeth; 28. gear. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] See also Figure 1-6The embodiment of the present invention provides a technical solution: a medical electric-controlled piston drug injection pump, comprising a fixed box 1 and an adjusting box 2, the adjusting box 2 is installed on one side of the fixed box 1, a moving groove 5 is opened on the top surface of the adjusting box 2, and a connecting rod 21 is slidably connected inside the moving groove 5, the upper end of the connecting rod 21 extends above the moving groove 5 and is connected to a clamping and pushing mechanism 3, and the clamping and pushing mechanism 3 clamps and pushes the push plate of the syringe;

[0028] A mounting groove 10 is provided in the middle of the top surface of the fixed box 1, and a syringe is placed in the mounting groove 10. A protrusion is provided at the end of the top surface of the fixed box 1 and on both sides of the mounting groove 10. A fixing groove 12 is provided on the surface of the protrusion and the fixing groove 12 is connected to the mounting groove 10. The wing at the end of the syringe is embedded in the fixing groove 12. A storage groove 7 is provided on the top surface of the fixed box 1 and on both sides of the mounting groove 10. A light shielding plate 9 is movably connected inside the storage groove 7.

[0029] The shading plate 9 is in an arc-shaped structure and a heat preservation groove 24 is provided on the inner wall. A heating wire 25 is laid in a serpentine shape in the heat preservation groove 24. A driving groove 26 is provided on the outer wall of the shading plate 9. A plurality of teeth 27 are evenly arranged on the surface of the driving groove 26. A gear 28 is connected to the internal rotation of the fixed box 1 and the gear 28 is meshed with the teeth 27. After the gear 28 rotates, it drives the shading plate 9 to adjust. After continuous adjustment, the shading plate 9 covers the outside of the syringe.

[0030] Further improved, the clamping and pushing mechanism 3 includes a moving block 15 and two clamping plates 13, the top surface of the moving block 15 is provided with a slide groove 17 and the inside of the slide groove 17 is slidably connected with a slider 16, a total of two sliders 16 are provided and the upper ends of the sliders 16 are respectively fixedly connected to the bottom of the clamping plates 13, and clamping grooves 14 are provided on the opposite surfaces of the two clamping plates 13, and an arc groove is provided in the middle of the clamping groove 14, so that the push plate of the syringe is clamped in the clamping groove 14, and the slider 16 slides inside the slide groove 17.

[0031] As a further improvement, through holes 18 are respectively provided at both ends of the movable block 15, and a guide column 19 is movably connected in the through hole 18. The end of the guide column 19 is fixedly connected to the side wall of the slider 16, and a spring 20 is sleeved on the guide column 19. One end of the spring 20 is connected to the inner wall of the slide groove 17, and the other end is connected to the slider 16. The spring 20 gives the slider 16 a certain supporting force, so that the clamping block can automatically reset after being pulled to both sides, and at the same time, it can also improve the strength of the clamping block to fix the push plate.

[0032] For further improvement, the inside of the regulating box 2 is rotatably connected with a screw rod 23, a screw sleeve 22 is threadedly connected to the screw rod 23, the top of the screw sleeve 22 is fixedly connected to the end of the connecting rod 21, and a motor 4 is installed on the outer wall of the regulating box 2, and the power output end of the motor 4 is connected to the screw rod 23. After the motor 4 is started, it drives the screw rod 23 to rotate, and after the screw 23 rotates, it drives the screw sleeve 22 to drive the moving block 15 to translate, and the moving block 15 pushes the push plate of the syringe during the translation process.

[0033] As a further improvement, guide grooves 8 are respectively provided at both ends of the storage groove 7, and guide strips 11 are respectively provided at both ends of the shading plate 9 and the guide strips 11 are movably connected to the guide grooves 8. The guide grooves 8 and the guide strips 11 play a guiding role, so that the movement of the shading plate 9 is more stable.

[0034] As a further improvement, a motor 42 is installed at the front end of the fixed box 1 and the power output end of the motor 42 is connected to the gear 28. After the motor 42 is started, it drives the gear 28 to rotate, and after the gear 28 rotates, it drives the shading plate 9 to adjust.

[0035] As a further improvement, a control console 6 is installed on one side of the fixed box 1, and the electrical equipment of the entire injection pump is controlled by the control console 6.

[0036] Working principle: place the syringe in the installation groove 10, start the motor 4 and drive the clamping and pushing mechanism 3 to move, and open the clamping plate 13 to both sides, release the clamping plate 13 after the clamping plate 13 moves to both sides of the push plate, and clamp the push plate after the clamping plate 13 rebounds to complete the installation. When the syringe needs to be shielded from light, start the motor 4 and drive the gear 28 to rotate. After the gear 28 rotates, drive the shading plate 9 to move. After the shading plate 9 moves out of the storage groove 7, it covers the outside of the syringe to achieve a shading effect. After turning on the heating wire 25, the syringe can be heated to reduce discomfort during winter use. The medicine can be pushed out by pushing the push plate forward driven by the motor 4. After the pushing is completed, the syringe can be disassembled.

[0037] The present invention comprises 1, a fixing box; 2, an adjusting box; 3, a clamping and pushing mechanism; 4, a motor; 5, a moving groove; 6, a control console; 7, a receiving groove; 8, a guide groove; 9, a shading plate; 10, a mounting groove; 11, a guide strip; 12, a fixing groove; 13, a clamping plate; 14, a clamping groove; 15, a moving block; 16, a sliding block; 17, a sliding groove; 18, a through hole; 19, a guide column; 20, a spring; 21, a connecting rod; 22, a screw sleeve; 23, a screw rod; 24, a heat preservation groove; 25, a heating wire; 26, a driving groove; 27, teeth; 28, a gear. All the components are general standard parts or components known to those skilled in the art. The structures and principles thereof can be known to those skilled in the art through technical manuals or conventional experimental methods. The problem solved by the present invention is that the existing medical electric-controlled piston drug injection pump has a single function and can be pushed to the injection port. The push rod is pushed to inject the medicine inside the syringe. The clamping operation before injection is cumbersome. When used in winter, the injection liquid will cause discomfort to the patient. The present invention combines the above-mentioned components with each other. When used, the syringe is placed flat in the installation groove 10, and the barrel wing of the syringe is embedded in the fixing groove 12. The push plate of the syringe is clamped by two clamps 13. When clamping, the clamps 13 are opened to both sides, and the fixation is completed after being placed on both sides of the push plate and released. The operation is simple; the interior of the fixed box 1 contains a shading plate 9, which can be driven to unfold by a motor 4. After unfolding, it covers the outside of the syringe, which has a good shading effect on the liquid medicine that needs to be protected from light. At the same time, the electric heating wire 25 installed on the inner wall of the shading plate 9 can also have a certain heating effect on the syringe, reducing the discomfort caused by winter use and improving the functionality of the entire injection pump.

[0038] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0039] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A medical electronically controlled piston drug injection pump, comprising a fixing box (1) and an adjusting box (2), characterized in that: The regulating box (2) is mounted on one side of the fixed box (1); a movable groove (5) is provided on the top surface of the regulating box (2); a connecting rod (21) is slidably connected inside the movable groove (5); the upper end of the connecting rod (21) extends above the movable groove (5) and is connected to a clamping and pushing mechanism (3); A mounting groove (10) is provided in the middle of the top surface of the fixing box (1), and a syringe is placed in the mounting groove (10). Protrusions are provided at the ends of the top surface of the fixing box (1) and on both sides of the mounting groove (10), and a fixing groove (12) is provided on the surface of the protrusion, and the fixing groove (12) is connected to the mounting groove (10). Receiving grooves (7) are provided on the top surface of the fixing box (1) and on both sides of the mounting groove (10), and a light shielding plate (9) is movably connected inside the receiving groove (7); The shading plate (9) is of an arc-shaped structure and has an insulation groove (24) on its inner wall. A heating wire (25) is arranged in a serpentine shape in the insulation groove (24). A driving groove (26) is provided on the outer wall of the shading plate (9). A plurality of teeth (27) are evenly arranged on the surface of the driving groove (26). A gear (28) is rotatably connected inside the fixing box (1) and the gear (28) is meshingly connected with the teeth (27).

2. A medical electronically controlled piston drug injection pump according to claim 1, characterized in that: The clamping and pushing mechanism (3) comprises a moving block (15) and two clamping plates (13); a sliding groove (17) is provided on the top surface of the moving block (15) and a slider (16) is slidably connected inside the sliding groove (17); two sliders (16) are provided and the upper ends of the sliders (16) are respectively fixedly connected to the bottom of the clamping plates (13); clamping grooves (14) are provided on the opposite surfaces of the two clamping plates (13); and an arc groove is provided in the middle of the clamping groove (14).

3. A medical electronically controlled piston drug injection pump according to claim 2, characterized in that: Through holes (18) are respectively formed at both ends of the moving block (15), and a guide column (19) is movably connected in the through hole (18). The end of the guide column (19) is fixedly connected to the side wall of the slider (16), and a spring (20) is sleeved on the guide column (19), and one end of the spring (20) is connected to the inner wall of the slide groove (17), and the other end is connected to the slider (16).

4. The medical electronically controlled piston drug injection pump according to claim 1, characterized in that: The regulating box (2) is internally rotatably connected with a screw rod (23), the screw rod (23) is threadedly connected with a screw sleeve (22), the top of the screw sleeve (22) is fixedly connected to the end of the connecting rod (21), and a motor (4) is installed on the outer wall of the regulating box (2), and the power output end of the motor (4) is connected to the screw rod (23).

5. The medical electronically controlled piston drug injection pump according to claim 1, characterized in that: Guide grooves (8) are respectively provided at both ends of the storage groove (7), and guide strips (11) are respectively provided at both ends of the light shielding plate (9), and the guide strips (11) are movably connected to the guide grooves (8).

6. The medical electronically controlled piston drug injection pump according to claim 1, characterized in that: A second motor (4) is installed at the front end of the fixing box (1), and the power output end of the second motor (4) is connected to a gear (28).

7. The medical electronically controlled piston drug injection pump according to claim 1, characterized in that: A control console (6) is also installed on one side of the fixing box (1).

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