Clinical test infusion device capable of being automatically replaced

Abstract

The invention discloses a clinical test infusion device capable of being automatically replaced, relates to the technical field of infusion equipment and solves the technical problem of replacing soft medicine bottles, the clinical test infusion device comprises a base with a placing plate, a medicine placing box with the lifting height is fixedly installed on the top face of the base, and a moving assembly used for inserting and pulling out a needle head to replace the medicine bottles is arranged in the medicine placing box; the moving assembly comprises a rotating roller which is rotationally installed on the inner wall of the medicine placing box and provided with two conveying belts, the rotating roller is used for driving medicine bottles to move and replace, and a first clamping arc plate and a second clamping arc plate which are used for clamping medicine bottle mouths are installed on the sides, away from the rotating roller, of the conveying belts. Supporting plates with pressure detectors are fixedly installed on the inner walls of the two sides of the pesticide containing box. Plastic medicine bottles can be conveniently and automatically replaced, the moving and replacing capacity of the device can be improved, the automatic medicine replacing capacity of the device can be improved, and the flexible applicability of the device can be improved.

Description

Technical Field

[0001] The present invention relates to the technical field of infusion equipment, and in particular to an automatically replaceable infusion device for clinical trials. Background Art

[0002] Clinical trial refers to any systematic study of a drug in humans (patients or healthy volunteers) to confirm or reveal the effects, adverse reactions and / or absorption, distribution, metabolism and excretion of the trial drug. The purpose is to determine the efficacy and safety of the trial drug. During the clinical trial, the human subjects need to be infused, so an automatically replaceable infusion device is needed.

[0003] The automatically replaced infusion device in the prior art is generally used for automatically replacing glass medicine bottles. Since most of the current infusion bottles are plastic soft bottles, the existing devices are not convenient for using plastic soft medicine bottles, and are not convenient for moving and replacing medicine bottles, which affects the device's mobile replacement capability, the device's automatic medicine changing capability, and the device's flexible applicability. For this reason, based on the technical defects, we have proposed an automatically replaceable infusion device for clinical trials that can solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to provide an automatically replaceable infusion device for clinical trials to solve the following technical problems: Most of the current infusion bottles are plastic soft bottles, which are not convenient for clamping and replacement, not convenient for using plastic soft medicine bottles, and not convenient for moving and replacing medicine bottles, which affects the mobile replacement capability of the device, the automatic medicine changing capability of the device, and the flexible applicability of the device.

[0005] The purpose of the present invention can be achieved through the following technical solutions: An automatically replaceable infusion device for clinical trials, comprising a base with a placement plate, a medicine placing box with a height adjustment fixedly mounted on the top surface of the base, and a movable component for inserting and removing needles and replacing medicine bottles arranged in the medicine placing box; The moving assembly includes a rotating roller rotatably mounted on the inner wall of the medicine box with two conveyor belts, which is used to drive the medicine bottles to move and replace, and a first clamping arc plate and a second clamping arc plate for clamping the mouths of the medicine bottles are installed on the side of the conveyor belt away from the rotating roller, and support plates with pressure detectors are fixedly mounted on the inner walls on both sides of the medicine box, and an elastic cover for protecting the needle is fixedly mounted on the side of the support plate close to the base, and a retractable electric telescopic frame with a limit block is fixedly mounted on the end of the elastic cover away from the support plate, and a winding unit is arranged between the first clamping arc plate and the second clamping arc plate.

[0006] As a further solution of the present invention: the winding unit includes a slide groove opened on the side of the second clamping arc plate close to the first clamping arc plate, a winding roller is rotatably installed on the inner wall of the slide groove, a pull rope with one end fixed to the first clamping arc plate is wound around the winding roller, and a first motor for driving the winding roller is fixedly installed in the slide groove.

[0007] As a further solution of the present invention: a clamping plate is fixedly installed on the side of the first clamping arc plate and the second clamping arc plate away from the medicine box, and an electromagnet is fixedly installed between the two first clamping arc plates and the two second clamping arc plates.

[0008] As a further solution of the present invention: a disinfection pad is placed on the conveyor belt, and disinfection cotton is fixedly installed on the inner wall of the elastic cover.

[0009] As a further solution of the present invention: one end of the electric telescopic frame away from the support plate is fixedly installed on the inner bottom wall of the medicine box, and the limit block is used to limit the needle, and there are two of them installed alternately on the side of the electric telescopic frame away from the elastic cover.

[0010] As a further solution of the present invention: the pressure detector is fixedly installed on the side of the support plate away from the elastic cover, and a controller for controlling the movement of the electric telescopic frame and the conveyor belt is fixedly installed on the side of the base close to the medicine box, and the controller is electrically connected to the pressure detector.

[0011] As a further solution of the present invention: a clamping assembly is arranged in the medicine box, and the clamping assembly includes a balance bar that slides through the inner wall of the medicine box, a clamping frame is fixedly installed on the end of the balance bar close to the conveyor belt, a baffle is fixedly installed on the end of the balance bar away from the clamping frame, a spring is fixedly installed on the side of the clamping frame close to the baffle, and a limiting unit is arranged on the clamping frame.

[0012] As a further solution of the present invention: the limiting unit includes a rectangular through hole opened on the clamping frame, a rotating rod is rotatably installed on the inner wall of the rectangular through hole, a limiting plate is fixedly installed on the rotating rod, a torsion spring is nested on the rotating rod, and a sliding roller is rotatably installed on the side of the limiting plate close to the conveyor belt.

[0013] As a further solution of the present invention: a guide plate is fixedly installed on the side of the clamping frame away from the conveyor belt, one end of the spring away from the clamping frame is fixedly installed on the inner wall of the medicine box, and the spring is nested on the outer surface of the balance rod.

[0014] As a further solution of the present invention: a collecting assembly is arranged on the base, and the collecting assembly comprises a collecting groove opened on the base, and a retractable collecting wire with a mounting ring is fixedly installed in the collecting groove.

[0015] Beneficial effects of the present invention: The conveyor belt in the mobile component drives the medicine bottle to move on the support plate, and the needle head is pulled out and inserted under the action of the electric telescopic frame, which is convenient for automatically replacing plastic medicine bottles and suitable for plastic soft medicine bottles, which is conducive to improving the mobile replacement ability of the device, and is conducive to improving the automatic medicine changing ability of the device, and is conducive to providing flexible applicability of the device; The limiting plate in the clamping assembly cooperates with the clamping frame under the drive of the torsion spring to clamp and stabilize the bottle body, which facilitates the first clamping arc plate and the second clamping arc plate to perform limiting operation on the bottle body, which is beneficial to improving the clamping stability of the device, the limiting capacity of the device, and the clamping capacity of the device; The collection wire in the collection assembly is convenient for the installation ring to drive the empty medicine bottle to fall into the collection tank, which is convenient for medical staff to concentrate on the collection operation and is conducive to improving the collection capacity of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described below in conjunction with the accompanying drawings.

[0017] Figure 1 It is a schematic diagram of the overall structure of an automatically replaceable infusion device for clinical trials of the present invention; Figure 2 yes Figure 1 A schematic diagram of the enlarged structure at A in the middle; Figure 3 It is a schematic diagram of the internal structure of an automatically replaceable infusion device for clinical trials of the present invention; Figure 4 yes Figure 3 A schematic diagram of the enlarged structure at B in the middle; Figure 5 yes Figure 3 Schematic diagram of the enlarged structure at C in the middle; Figure 6 It is a schematic diagram of the top view of the structure of an automatically replaceable infusion device for clinical trials of the present invention; Figure 7 yes Figure 6 Schematic diagram of the enlarged structure at D in the middle.

[0018] In the figure: 1, base; 2, medicine box; 3, placement plate; 4, moving component; 41, conveyor belt; 42, first clamping arc plate; 43, second clamping arc plate; 44, locking plate; 45, slide groove; 46, winding roller; 47, pull rope; 48, first motor; 49, disinfection pad; 410, support plate; 411, elastic cover; 412, telescopic frame; 413, limit block; 414, pressure detector; 415, disinfection cotton; 416, controller; 417, electromagnet; 5, collecting component; 51, collecting trough; 52, collecting wire; 53, mounting ring; 6, clamping component; 61, clamping frame; 62, rectangular through hole; 63, limit plate; 64, guide plate; 65, sliding roller; 66, rotating rod; 67, torsion spring; 68, balance rod; 69, spring; 610, baffle. DETAILED DESCRIPTION

[0019] 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.

[0020] Embodiment 1

[0021] See also Figure 1-Figure 7 As shown, the present invention is an automatically replaceable infusion device for clinical trials, comprising a base 1 with a placement plate 3, on which a heating wire is provided for heating the liquid medicine injected into the patient's body, which is beneficial to improving the patient's comfort. A medicine placing box 2 with a lifting height is fixedly installed on the top surface of the base 1, and the medicine placing box 2 is lifted and lowered by an electric telescopic rod. A moving component 4 for inserting and removing needles and replacing medicine bottles is provided in the medicine placing box 2; The moving assembly 4 includes a rotating roller rotatably mounted on the inner wall of the medicine box 2 with two conveyor belts 41, which is used to drive the medicine bottles to move and replace. The number of rotating rollers is two for supporting and installing the conveyor belt 41. A second motor is fixedly mounted on one side of the medicine box 2. The output end of the second motor slides through the medicine box 2 and is fixedly mounted on one of the rotating rollers. A first clamping arc plate 42 and a second clamping arc plate 43 for clamping the mouth of the medicine bottle are installed on the side of the conveyor belt 41 away from the rotating roller. The first clamping arc plate 42 and the second clamping arc plate 43 and the conveyor belt 41 are fixed at only one node, and the fixing method does not affect the rotation of the conveyor belt 41 on the rotating roller. There is a support plate 410 with a pressure detector 414, and the model of the pressure detector 414 is a CWY300 digital pressure calibrator. An elastic cover 411 for protecting the needle is fixedly installed on one side of the support plate 410 close to the base 1, and the elastic cover 411 is convenient for elastic contraction. An electric telescopic frame 412 with a limit block 413 and a retractable electric telescopic frame 412 is fixedly installed on the end of the elastic cover 411 away from the support plate 410. The needle is inserted into the elastic cover 411 and then the needle is rotated to engage with the limit block 413, so that the electric telescopic frame 412 can drive the needle to move up and down, and automatically replace a bottle. A winding unit is arranged between the first clamping arc plate 42 and the second clamping arc plate 43.

[0022] The winding unit includes a slide groove 45 opened on the side of the second clamping arc plate 43 close to the first clamping arc plate 42, and a winding roller 46 is rotatably installed on the inner wall of the slide groove 45. A pull rope 47 with one end fixed on the first clamping arc plate 42 is wound around the winding roller 46, and the other end of the pull rope 47 is fixedly installed on the winding roller 46. The pull rope 47 plays a role in tightening the first clamping arc plate 42 and the second clamping arc plate 43 under the drive of the winding roller 46 and the first motor 48. A first motor 48 for driving the winding roller 46 is fixedly installed in the slide groove 45, and the other end of the winding roller 46 is fixedly installed on the output end of the first motor 48, which is beneficial to improving the clamping stability of the device.

[0023] A clamping plate 44 is fixedly installed on the side of the first clamping arc plate 42 and the second clamping arc plate 43 away from the medicine box 2, and an electromagnet 417 is fixedly installed between the two first clamping arc plates 42 and the two second clamping arc plates 43. When the electromagnet 417 is energized, it plays a role of adsorbing and clamping the mouth of the medicine bottle. A disinfection pad 49 is placed on the conveyor belt 41, and the disinfection pad 49 plays a role of disinfecting the mouth of the medicine bottle, and tries to avoid the situation where bacteria contaminate the medicine bottle. Disinfection cotton 415 is fixedly installed on the inner wall of the elastic cover 411. The disinfection cotton 415 cooperates with the elastic cover 411 to play a role of disinfecting and protecting the needle. The end of the electric telescopic frame 412 away from the support plate 410 is fixedly installed on the inner bottom wall of the medicine box 2, and the limit block 413 is used to limit the needle, and the number is two, which are staggered and installed on the side of the electric telescopic frame 412 away from the elastic cover 411.

[0024] The pressure detector 414 is fixedly mounted on the side of the support plate 410 away from the elastic cover 411, and a controller 416 for controlling the movement of the electric telescopic frame 412 and the conveyor belt 41 is fixedly mounted on the side of the base 1 close to the medicine box 2. The controller 416 and the pressure detector 414 are electrically connected. The controller 416 refers to a main command device that controls the starting, speed regulation, braking and reversal of the motor by changing the wiring of the main circuit or control circuit and changing the resistance value in the circuit in a predetermined sequence. It is composed of a program counter, an instruction register, an instruction decoder, a timing generator and an operation controller. It is the "decision-making body" that issues commands, that is, it completes the coordination and command of the operation of the entire computer system. The electric telescopic frame 412, under the action of the elastic cover 411, plays a role in protecting the needle during the process of inserting and removing the needle, and is convenient for moving the medicine bottle. This device is suitable for plastic infusion bottles, is convenient for clamping and stabilizing the soft bottle body, is convenient for clamping the bottle mouth, is convenient for automatic replacement of plastic medicine bottles, and is convenient for plastic soft medicine bottles. It is beneficial to improve the mobile replacement capability of the device, is beneficial to improve the automatic medicine changing capability of the device, and is beneficial to provide flexible applicability of the device.

[0025] Embodiment 2

[0026] See also Figure 3 , Figure 4 and Figure 6 As shown, on the basis of Example 1, a clamping assembly 6 is provided in the medicine box 2, and the clamping assembly 6 includes a balance bar 68 that is slidably installed on the inner wall of the medicine box 2, and the balance bar 68 plays a role of balancing and supporting the clamping frame 61, and the clamping frame 61 is fixedly installed on the end of the balance bar 68 close to the conveyor belt 41, and a baffle 610 is fixedly installed on the end of the balance bar 68 away from the clamping frame 61, and the baffle 610 plays a role of limiting and stabilizing the balance bar 68. A spring 69 is fixedly installed on the side of the clamping frame 61 close to the baffle 610, and a guide plate 64 is fixedly installed on the side of the clamping frame 61 away from the conveyor belt 41. The end of the spring 69 away from the clamping frame 61 is fixedly installed on the inner wall of the medicine box 2, and the spring 69 is nested on the outer surface of the balance bar 68. The spring 69 plays a role of driving the clamping frame 61 to clamp and stabilize the medicine bottle, and a limiting unit is provided on the clamping frame 61.

[0027] The limiting unit includes a rectangular through hole 62 opened on the clamping frame 61, a rotating rod 66 is rotatably installed on the inner wall of the rectangular through hole 62, and a limiting plate 63 is fixedly installed on the rotating rod 66. The limiting plate 63 rotates in the rectangular through hole 62 to limit the medicine bottle, and a torsion spring 67 is nested and installed on the rotating rod 66. The two ends of the torsion spring 67 are respectively fixed on the limiting plate 63 and the inner wall of the rectangular through hole 62, and a sliding roller 65 is rotatably installed on the side of the limiting plate 63 close to the conveyor belt 41. The sliding roller 65 plays a role in reducing the friction between the limiting plate 63 and the bottom of the medicine bottle, which is convenient for clamping and stabilizing the bottle body, and convenient for assisting the first clamping arc plate 42 and the second clamping arc plate 43 to limit the bottle body, which is beneficial to improving the clamping stability of the device, the limiting ability of the device, and the clamping ability of the device.

[0028] Embodiment 3

[0029] See also Figure 1 As shown, on the basis of Example 1 and Example 2, a collecting component 5 is provided on the base 1, and the collecting component 5 includes a collecting groove 51 opened on the base 1, and a retractable collecting wire 52 with a mounting ring 53 is fixedly installed in the collecting groove 51, and the collecting wire 52 is bent on the top of the medicine box 2 at one end close to the medicine box 2, and the collecting wire 52 is not fixed to the medicine box 2, so that the mounting ring 53 can slide on the collecting wire 52, and the mounting ring 53 drives the medicine bottle to fall into the collecting groove 51 under the action of the collecting wire 52 through the clamp, so as to facilitate the recovery of the medicine bottle and avoid the scattering and loss of the medicine bottle as much as possible, and an elastically stretchable clamp is fixedly installed on the mounting ring 53, and the clamp is used to clamp the hanging ring at the bottom of the medicine bottle, so as to facilitate the installation and clamping of the medicine bottle, facilitate the installation operation, and help improve the stability of the installation of the device, facilitate the centralized collection operation of medical staff, and help improve the collection capacity of the device.

[0030] Working principle of the present invention: When using the device, first take the medicine bottle and slide it downward under the action of the guide plate 64 to squeeze the clamping frame 61, and at the same time make the medicine bottle slide on the limit plate 63, and squeeze the limit plate 63 into the rectangular through hole 62, and at the same time rotate the torsion spring 67 to make the torsion spring 67 in a twisted state, and at the same time make the clamping frame 61 squeeze the balance bar 68 and the spring 69 to make the balance bar 68 slide on the medicine box 2, and at the same time make the spring 69 in a compressed state, and then place the disinfection pad 49 on the conveyor belt 41, and at the same time make the medicine bottle slide on the clamping frame 61 and insert it into the first clamping arc plate 42 and the second clamping arc plate 43, and at the same time, the rectangular through hole 62 close to the guide plate 64 is reset under the drive of the torsion spring 67, so that the limit plate 63 limits the bottom of the bottle, and at the same time, the clamp is clamped on the pull ring on the bottom of the bottle, and the first clamping arc plate 42 and the second clamping arc plate 43 on the two conveyor belts 41 form a circle, and then the electromagnet 417 and the first motor 48 are started, so that the first motor 48 drives the winding roller 46 to rewind the draw rope 47, and the second clamping arc plate 43 and the first clamping arc plate 42 are tightly clamped with the mouth of the medicine bottle, and then the controller 416 is operated to start the second motor to drive the conveyor belt 41 to rotate through the rotating roller, and then the second clamping arc plate 43 and the first clamping arc plate 42 are re-engaged in the medicine bottle mouth. Repeat the above operation, slide and arrange the bottom of the medicine bottle on the sliding roller 65, and move the first medicine bottle to the support plate 410 under the drive of the conveyor belt 41, then move the needle through the conveyor belt 41 and insert it on the electric telescopic frame 412, then rotate the needle to engage with the limit block 413, and insert the needle into the conveyor belt 41, and then operate the controller 416 to start the electric telescopic frame 412, so that the electric telescopic frame 412 drives the needle to move upward, and the needle passes through the disinfection pad 49 and is inserted into the mouth of the medicine bottle, and at the same time, the pressure detector 414 is started to measure the weight of the medicine bottle. Monitor, then start the electric telescopic rod to raise the medicine box 2 and stretch the collecting wire 52. When the pressure detector 414 detects that the weight in the medicine bottle no longer changes, start the controller 416 to control the electric telescopic frame 412 to move downward, so that the needle is pulled out from the mouth of the medicine bottle, and then the controller 416 controls the conveyor belt 41 to drive the medicine bottle to move to the support plate 410. Repeat the above operation to insert the needle into the medicine bottle to continue infusion. At the same time, the empty medicine bottle drives the mounting ring 53 to slide on the collecting wire 52, and the empty medicine bottle is mobilized to fall into the collecting groove 51 under the guidance of the collecting wire 52 for collection operation.

[0031] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. An automatically replaceable infusion device for clinical trials, comprising a base (1) with a placement plate (3), characterized in that: A medicine storage box (2) with a height adjustment function is fixedly mounted on the top surface of the base (1), and a movable component (4) for inserting and removing needles and replacing medicine bottles is arranged inside the medicine storage box (2); The moving assembly (4) comprises a rotating roller rotatably mounted on the inner wall of the medicine storage box (2) and having two conveyor belts (41) for driving the medicine bottles to move and replace. A first clamping arc plate (42) and a second clamping arc plate (43) for clamping the mouth of the medicine bottle are mounted on the side of the conveyor belt (41) away from the rotating roller. A support plate (410) with a pressure detector (414) is fixedly mounted on the inner walls of both sides of the medicine storage box (2). An elastic cover (411) for protecting the needle is fixedly mounted on the side of the base (1) of the support plate (410) close to the base (1). An electric telescopic frame (412) with a limit block (413) and retractable is fixedly mounted on the end of the elastic cover (411) away from the support plate (410). A winding unit is arranged between the first clamping arc plate (42) and the second clamping arc plate (43).

2. The automatically replaceable infusion device for clinical trials according to claim 1, characterized in that: The winding unit comprises a slide groove (45) provided on a side of the second clamping arc plate (43) close to the first clamping arc plate (42); a winding roller (46) is rotatably mounted on the inner wall of the slide groove (45); a pull rope (47) having one end fixed to the first clamping arc plate (42) is wound around the winding roller (46); and a first motor (48) for driving the winding roller (46) is fixedly mounted in the slide groove (45).

3. The automatically replaceable infusion device for clinical trials according to claim 1, characterized in that: A clamping plate (44) is fixedly mounted on the side of the first clamping arc plate (42) and the second clamping arc plate (43) away from the medicine box (2), and an electromagnet (417) is fixedly mounted between the two first clamping arc plates (42) and the two second clamping arc plates (43).

4. The automatically replaceable infusion device for clinical trials according to claim 1, characterized in that: A disinfection pad (49) is placed on the conveyor belt (41), and a disinfection cotton (415) is fixedly mounted on the inner wall of the elastic cover (411).

5. The automatically replaceable infusion device for clinical trials according to claim 1, characterized in that: One end of the electric telescopic frame (412) away from the support plate (410) is fixedly mounted on the inner bottom wall of the medicine box (2); the limiting blocks (413) are used to limit the needle, and two of them are staggered and mounted on a side of the electric telescopic frame (412) away from the elastic cover (411).

6. The automatically replaceable infusion device for clinical trials according to claim 1, characterized in that: The pressure detector (414) is fixedly mounted on a side of the support plate (410) away from the elastic cover (411), and a controller (416) for controlling the movement of the electric telescopic frame (412) and the conveyor belt (41) is fixedly mounted on a side of the base (1) close to the medicine box (2), and the controller (416) and the pressure detector (414) are electrically connected.

7. The automatically replaceable infusion device for clinical trials according to claim 1, characterized in that: A clamping assembly (6) is arranged in the medicine placing box (2), and the clamping assembly (6) comprises a balance bar (68) slidably penetrating and installed on the inner wall of the medicine placing box (2), a clamping frame (61) is fixedly installed on one end of the balance bar (68) close to the conveyor belt (41), a baffle (610) is fixedly installed on one end of the balance bar (68) away from the clamping frame (61), a spring (69) is fixedly installed on one side of the clamping frame (61) close to the baffle (610), and a limit unit is arranged on the clamping frame (61).

8. The automatically replaceable infusion device for clinical trials according to claim 7, characterized in that: The limiting unit comprises a rectangular through hole (62) formed on a clamping frame (61); a rotating rod (66) is rotatably mounted on the inner wall of the rectangular through hole (62); a limiting plate (63) is fixedly mounted on the rotating rod (66); a torsion spring (67) is nested on the rotating rod (66); and a sliding roller (65) is rotatably mounted on a side of the limiting plate (63) close to the conveyor belt (41).

9. The automatically replaceable infusion device for clinical trials according to claim 7, characterized in that: A guide plate (64) is fixedly mounted on one side of the clamping frame (61) away from the conveyor belt (41); one end of the spring (69) away from the clamping frame (61) is fixedly mounted on the inner wall of the medicine storage box (2); and the spring (69) is nested on the outer surface of the balance rod (68).

10. The automatically replaceable infusion device for clinical trials according to claim 1, characterized in that: A collecting assembly (5) is provided on the base (1), and the collecting assembly (5) comprises a collecting groove (51) opened on the base (1), and a retractable collecting wire (52) with a mounting ring (53) is fixedly installed in the collecting groove (51).

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