A booster doser

Abstract

The present invention discloses a novel booster doser, comprising an adjustment block, a needle fixing groove is provided at the front end of the adjustment block, a card block and a card block I are provided on both sides of the rear end, the card block and the card block I are installed in the adjustment hole at the bottom of the adjustment block through bearing screws, the card block and the card block I are connected through a card block guide rod, the adjustment block is installed at the front end of the housing, a push-pull block is provided at the rear side of the adjustment block, the push-pull block is connected to a lead screw, a guide rod and a guide rod I, one end of the lead screw is connected to a bearing plate, the other end is fixedly connected to a driven gear and then rotated to connect to a fixed plate, the driven gear meshes with a driving gear, the driving gear shaft is connected to a DC motor, the DC motor is connected to a power supply, the power supply is connected to a controller, a drug injection button and a drug suction button are installed in the middle of the housing, and the drug injection button and the drug suction button are connected to the controller. The device is easy to operate, and the machine replaces the repeated process of manually extracting and injecting drugs, and is more labor-saving to use.

Description

Technical Field

[0001] The invention relates to the technical field of medical instruments, and in particular to an auxiliary medicine adding device. Background Art

[0002] The syringe is a common medical device. It mainly uses a needle to extract or inject liquid, and then inject it into the patient. However, most of the syringes currently used in clinical practice are ordinary syringes, which are operated by the fingers of medical staff. In addition, the injector does not have a fixed finger part, which is very inconvenient for medical staff to repeat the operation over a period of time. In addition, the drugs used in many clinical departments are harmful to the human body, such as nuclear medicine. Therefore, there is an urgent need for a booster dosing device to cooperate with the syringe to assist in extracting and injecting drugs. Summary of the invention

[0003] The purpose of the present invention is to provide a power-assisted dosing device to solve the problems raised in the above-mentioned background technology. To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a power-assisted dosing device, including an adjusting block, a needle fixing groove is opened at the front end of the adjusting block, and a card block and a card block I are arranged on both sides of the rear end, and the card block and the card block I are installed in the adjusting hole at the bottom of the adjusting block through bearing screws, and the card block and the card block I are connected by a card block guide rod, and the card block and the card block I can slide along the card block guide rod, and the adjusting block is installed at the front end of the outer shell and can move relative to the outer shell, and the two ends of the card block guide rod are connected to the outer shell, and a push-pull block is arranged on the rear side of the adjusting block, and the middle part of the push-pull block is installed on the lead screw, and guide rods and guide rods I are arranged on both sides of the lead screw, and the guide rods and guide rods I pass through both sides of the push-pull block, and the lead screw is provided with a guide rod. One end of the lever is connected to the bearing plate, and the other end is fixedly connected to the driven gear and then rotatably connected to the fixed plate. The lead screw can rotate relative to the bearing plate. The two ends of the guide rod and guide rod I are respectively fixedly connected to the bearing plate and the fixed plate. The driven gear meshes with the driving gear. The driving gear shaft is connected to the DC motor. The DC motor is installed on the fixed plate. The DC motor is connected to the power supply. The power supply is connected to the controller. The controller is connected to the DC motor. A drug injection button and a drug suction button are installed in the middle of the shell. The drug injection button and the drug suction button are connected to the controller. The controller is fixed inside the fixed cavity at the rear end of the shell. The power supply is fixed in the fixed cavity. The lead screw, guide rod and guide rod I are located inside the shell.

[0004] Preferably, a hemispherical protrusion is respectively provided on the left and right sides of the adjustment block, and a row of corresponding grooves are provided on the outer shells on the left and right sides of the adjustment block, and the grooves correspond to the shape of the hemispherical protrusions.

[0005] Preferably, two block guide rods are provided and placed in parallel to connect the block and block I.

[0006] Preferably, there are two adjustment holes, both of which are oblique opening mechanisms, and the spacing between the adjustment holes on both sides gradually increases from left to right.

[0007] Preferably, a blocking plate is sleeved on one end of the lead screw, the guide rod and the guide rod I, the blocking plate is fixedly connected to the guide rod and the guide rod I, the lead screw passes through the blocking plate, and there is a gap between the lead screw and the blocking plate.

[0008] Preferably, a syringe piston core rod slot is provided on the upper portion of the push-pull block.

[0009] The technical effects and advantages of the present invention are as follows: the device is easy to operate, and the machine replaces the repeated process of manual drug extraction and injection, making it more labor-saving to use; compared with a pneumatic injector, the device does not require an air source or a pipeline loop, has no compressor noise, is not involved in pipelines, and is more convenient to operate; the bottom is horizontal, and can be placed on an operating table for use, or used as a handheld device; the position of the adjustment block can be changed to facilitate the insertion of syringes of different sizes; the speed of drug extraction and injection can be adjusted for easy control. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the internal structure of the present invention;

[0011] Figure 2 This is an appearance diagram of the present invention;

[0012] Figure 3 It is a schematic diagram of the installation of a small-sized syringe of the present invention;

[0013] Figure 4 It is a schematic diagram of the installation of the large-sized syringe of the present invention.

[0014] In the figure: 1-adjusting block, 2-needle fixing groove, 3-card block, 4-card block I, 5-bearing screw, 6-adjusting hole, 7-card block guide rod, 8-housing, 9-push-pull block, 10-screw, 11-guide rod, 12-guide rod I, 13-bearing plate, 14-driven gear, 15-fixing plate, 16-driving gear, 17-DC motor, 19-injection button, 20-suction button, 21-fixing cavity, 22-hemispherical protrusion, 23-blocking plate, 24-syringe piston core rod slot. DETAILED DESCRIPTION

[0015] In order to make the technical means for realizing the present invention, the creative features, the objectives and effects to be achieved easy to understand, the present invention is further explained below in conjunction with specific diagrams. In the description of the present invention, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, an integral connection or a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal connection of two components. Example

[0016] like Figure 1-Figure 3 The shown power-assisted dosing device comprises an adjusting block 1, wherein a needle fixing groove 2 is provided at the front end of the adjusting block 1, and blocks 3 and blocks I4 are provided on both sides of the rear end. The blocks 3 and blocks I4 are installed in the adjusting hole 6 at the bottom of the adjusting block 1 through bearing screws 5, and the blocks 3 and blocks I4 are connected by a block guide rod 7, and the blocks 3 and blocks I4 can slide along the block guide rod 7. The adjusting block 1 is installed at the front end of the shell 8 and can move relative to the shell 8. The two ends of the block guide rod 7 are connected to the shell 8. A push-pull block 9 is provided at the rear side of the adjusting block 1, and the middle part of the push-pull block 9 is installed on the lead screw 10. Guide rods 11 and guide rods I12 are provided on both sides of the lead screw 10, and the guide rods 11 and guide rods I12 pass through both sides of the push-pull block 9. One end of the lead screw 10 is connected to the bearing plate 13, and the other end is fixedly connected After being connected to the driven gear 14, it is rotatably connected to the fixed plate 15. The lead screw 10 can rotate relative to the bearing plate 13. The two ends of the guide rod 11 and the guide rod I 12 are respectively fixedly connected to the bearing plate 13 and the fixed plate 15. The driven gear 14 meshes with the driving gear 16. The rotating shaft of the driving gear 16 is connected to the DC motor 17. The DC motor 17 is installed on the fixed plate 15. The DC motor 17 is connected to a power supply, and the power supply is connected to a controller. The controller is connected to the DC motor 17. A drug injection button 19 and a drug suction button 20 are installed in the middle of the shell 8. The drug injection button 19 and the drug suction button 20 are connected to the controller. The controller is fixed inside a fixed cavity 21 at the rear end of the shell 8. The power supply 18 is fixed in the fixed cavity 21. The lead screw 10, the guide rod 11 and the guide rod I 12 are located inside the shell 8. Example

[0017] like Figure 1-Figure 3The shown power-assisted dosing device comprises an adjusting block 1, wherein a needle fixing groove 2 is provided at the front end of the adjusting block 1, and blocks 3 and blocks I4 are provided on both sides of the rear end. The blocks 3 and blocks I4 are installed in the adjusting hole 6 at the bottom of the adjusting block 1 through bearing screws 5, and the blocks 3 and blocks I4 are connected by a block guide rod 7, and the blocks 3 and blocks I4 can slide along the block guide rod 7. The adjusting block 1 is installed at the front end of the shell 8 and can move relative to the shell 8. The two ends of the block guide rod 7 are connected to the shell 8. A push-pull block 9 is provided at the rear side of the adjusting block 1, and the middle part of the push-pull block 9 is installed on the lead screw 10. Guide rods 11 and guide rods I12 are provided on both sides of the lead screw 10, and the guide rods 11 and guide rods I12 pass through both sides of the push-pull block 9. One end of the lead screw 10 is connected to the bearing plate 13, and the other end is fixedly connected After being connected to the driven gear 14, it is rotatably connected to the fixed plate 15. The lead screw 10 can rotate relative to the bearing plate 13. The two ends of the guide rod 11 and the guide rod I 12 are respectively fixedly connected to the bearing plate 13 and the fixed plate 15. The driven gear 14 meshes with the driving gear 16. The rotating shaft of the driving gear 16 is connected to the DC motor 17. The DC motor 17 is installed on the fixed plate 15. The DC motor 17 is connected to a power supply, and the power supply is connected to a controller. The controller is connected to the DC motor 17. A drug injection button 19 and a drug suction button 20 are installed in the middle of the shell 8. The drug injection button 19 and the drug suction button 20 are connected to the controller. The controller is fixed inside a fixed cavity 21 at the rear end of the shell 8. The power supply 18 is fixed in the fixed cavity 21. The lead screw 10, the guide rod 11 and the guide rod I 12 are located inside the shell 8.

[0018] Preferably, a hemispherical protrusion 22 is respectively provided on the left and right sides of the adjusting block 1 , and a row of corresponding grooves are provided on the housing 8 on the left and right sides of the adjusting block 1 , and the grooves correspond to the shapes of the hemispherical protrusions 22 .

[0019] Preferably, the block guide rods 7 are provided with two, and the two block guide rods 7 are placed in parallel to connect the block 3 and the block I4.

[0020] Preferably, there are two adjustment holes 6, and both are beveled mechanisms. The spacing between the adjustment holes 6 on both sides gradually increases from left to right. When the adjustment block 1 moves forward, the spacing between the two bearing screws 5 increases from small to large. The bearing screws 5 are fixed together with the block 3 and the block Ⅰ4. The block 3 and the block Ⅰ4 slide on the block guide rod 7, and the distance increases.

[0021] Preferably, one end of the lead screw 10, guide rod 11 and guide rod I12 is sleeved with a blocking plate 23, and the blocking plate 23 is fixedly connected to the guide rod 11 and the guide rod I12. The lead screw 10 passes through the blocking plate 23, and there is a gap between the blocking plate 23 and the blocking plate 23. The blocking plate 23 can limit the push-pull block 9 to prevent the push-pull block 9 from hitting the driven gear 14 and the driving gear 16 when moving.

[0022] Preferably, a syringe piston core rod clamping groove 24 is provided on the upper portion of the push-pull block 9, and the syringe piston core rod clamping groove 24 can fix the end of the syringe piston core rod to achieve extraction and injection of the syringe.

[0023] The working principle of this embodiment is: according to the size of the syringe, adjust the adjustment block 1. When the syringe size is slightly larger, Figure 4 As shown, the adjusting block 1 moves forward relative to the housing 8, so that the adjusting hole 6 moves forward, and the distance between the two bearing screws 5 in the adjusting hole 6 changes from small to large. The bearing screw 5 is fixed to the clamping block 3 and the clamping block Ⅰ4. The clamping block 3 and the clamping block Ⅰ4 slide on the clamping block guide rod 7, and the distance becomes larger. The hemispherical protrusions 22 on the left and right sides of the adjusting block 1 are clamped into the corresponding grooves on the housing 8, so that the fixing between the adjusting block 1 and the housing 8 can be achieved. The needle part of the large-sized syringe is fixed to the needle fixing groove 2, the syringe is fixed by the clamping block 3 and the clamping block Ⅰ4, and the end of the syringe piston core rod is fixed to the syringe piston core rod clamping groove 24 on the upper part of the push-pull block 9 ; When it is necessary to absorb the medicine, press the medicine absorption button 20, the controller controls the DC motor 17 to rotate, the DC motor 17 drives the driving gear 16, the driving gear 16 drives the driven gear 14 to rotate, the driven gear 14 drives the lead screw 10 to move, the lead screw 10 drives the push-pull block 9 to move backward, so that the syringe absorbs the medicine; when it is necessary to inject the medicine, press the medicine injection button 19, the controller controls the DC motor 17 to rotate in the opposite direction, the DC motor 17 drives the driving gear 16, the driving gear 16 drives the driven gear 14 to rotate, the driven gear 14 drives the lead screw 10 to move, the lead screw 10 drives the push-pull block 9 to move forward, so that the syringe injects the medicine.

[0024] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A booster doser, comprising an adjustment block, characterized in that: A needle fixing groove is provided at the front end of the adjusting block, and a card block and a card block I are provided on both sides of the rear end. The card block and the card block I are installed in the adjusting hole at the bottom of the adjusting block through bearing screws. The card block and the card block I are connected by a card block guide rod, and the card block and the card block I can slide along the card block guide rod. The adjusting block is installed at the front end of the shell and can move relative to the shell. The two ends of the card block guide rod are connected to the shell. A push-pull block is provided on the rear side of the adjusting block. The middle part of the push-pull block is installed on the lead screw. Guide rods and guide rod I are provided on both sides of the lead screw. The guide rod and guide rod I pass through both sides of the push-pull block. One end of the lead screw is connected to the bearing plate, and the other end is fixedly connected to the driven gear and then rotatably connected to the fixed plate. The lead screw can rotate relative to the bearing plate, and the two ends of the guide rod and guide rod I are respectively fixedly connected to the bearing plate and A fixed plate, the driven gear meshes with the driving gear, the driving gear shaft is connected to a DC motor, the DC motor is installed on the fixed plate, the DC motor is connected to a power supply, the power supply is connected to a controller, the controller is connected to the DC motor, a drug injection button and a drug suction button are installed in the middle of the shell, the drug injection button and the drug suction button are connected to the controller, the controller is fixed inside the fixed cavity at the rear end of the shell, the power supply is fixed in the fixed cavity, the lead screw, guide rod and guide rod I are located inside the shell, a hemispherical protrusion is provided on each side of the adjustment block, a row of corresponding grooves are provided on the shells on the left and right sides of the adjustment block, the grooves correspond to the shape of the hemispherical protrusions, two adjustment holes are provided, and both are oblique mouth mechanisms, and the spacing between the adjustment holes on both sides gradually increases from left to right.

2. The booster doser according to claim 1, characterized in that: The block guide rods are provided with two and are placed in parallel to connect the block and the block I.

3. The booster doser according to claim 1, characterized in that: The lead screw, the guide rod and one end of the guide rod I are sleeved with a blocking plate, the blocking plate is fixedly connected to the guide rod and the guide rod I, the lead screw passes through the blocking plate, and there is a gap between the lead screw and the blocking plate.

4. The booster doser according to claim 1, characterized in that: The upper part of the push-pull block is provided with a syringe piston core rod clamping groove.

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