CN112316239A

CN112316239A - Switching device of standby supply passage for intravenous infusion

Info

Publication number: CN112316239A
Application number: CN202011206444.2A
Authority: CN
Inventors: 杜瑞凤
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-28
Filing date: 2019-01-28
Publication date: 2021-02-05
Also published as: CN109621075B; CN109621075A

Abstract

The invention relates to the technical field of nursing tools, in particular to a switching device of a standby supply passage for intravenous infusion, which comprises a mounting frame, a rotating shaft and a fixing frame, wherein the rotating shaft is inserted in the center of the mounting frame, a gear is fixedly connected to the top end of the rotating shaft above the mounting frame, a threaded rod is fixedly connected to an output shaft of a direct current motor, the left part of the threaded rod is inserted in a sliding rod in a threaded manner, the fixing frame is cylindrical and hollow, a cylindrical block is arranged in the fixing frame, the lower end of the rotating shaft is fixedly connected in the fixing frame, a bent through groove is formed in the cylindrical block, an outlet at the upper end of the through groove is positioned on the right side of the upper end surface of the. The infusion device is reasonable in structural design, the standby infusion supply passage can be switched after the infusion of the first infusion bag is finished, and medical workers can hear an alarm and replace the infusion bag in time in enough response time during the standby infusion supply passage, so that the infusion device has a good application prospect.

Description

Switching device of standby supply passage for intravenous infusion

The application is a divisional application of an invention patent application with the application number of 2019100791068, which is invented and invented as an infusion device for continuous administration of medical care and has the application date of 2019, 01 and 28.

Technical Field

The invention relates to the technical field of nursing tools, in particular to a switching device of a standby supply passage for intravenous infusion.

Background

Infusion set is the medical instrument commonly used in internal medicine nursing, in the recovered nursing in-process of internal medicine, need infuse patient for a long time more, because when a lot of patients carry out infusion treatment, often disposable needs inject many bottles of liquid medicine, if one bottle of liquid medicine is used up at infusion in-process, and medical personnel do not in time discover in order to change the infusion bottle, then can lead to the air admission human body or blood to flow backwards, endangers patient safety.

In order to solve the problem, in the Chinese patent of invention with the publication number of CN108785798A, an intelligent drip indicator is disclosed, in which a spring for pulling an infusion bottle gradually retracts along with the decrease of the liquid medicine in the infusion bottle, a prompt contact gradually moves upwards to make the prompt contact with a metal contact, so that a circuit is connected, and a buzzer gives an alarm to remind a nursing staff of the end of infusion. However, when the medical staff hear the alarm and get to the ward to change the medicine, it still needs a period of time, which is likely to cause the air entering the human body or the blood backflow, so the transfusion device capable of automatically changing the transfusion bottle is needed, the transfusion is ensured to be continuously carried out within the reaction time of the medical staff, that is, a device for switching the standby transfusion supply pipeline is provided.

Disclosure of Invention

The invention aims to overcome the technical defects and provide a switching device of a standby supply path of intravenous infusion, wherein a buzzer can give an alarm after the infusion of a first infusion bag is finished and automatically switch to the infusion of a second infusion bag, and a medical worker has enough response time to hear the alarm and timely replace the infusion bag.

The technical scheme adopted by the invention for solving the technical problems is as follows: a switching device of a standby supply passage for intravenous infusion comprises a mounting rack, a rotating shaft and a mounting rack, wherein the left side and the right side of the upper end surface of the mounting rack are fixedly connected with two first hanging rods which incline towards the middle, the top ends of the two first hanging rods are fixedly connected with a vertical second hanging rod, the top end of the second hanging rod is fixedly connected with a hanging cylinder, the hanging cylinder is inserted on the infusion support, the device can be hung on the infusion support by inserting the hanging cylinder on the infusion support, the rear part of the mounting rack is provided with a battery cavity, a direct current battery is arranged in the battery cavity, the rotating shaft is inserted in the center of the mounting rack, the top end of the rotating shaft is fixedly connected with a gear above the mounting rack, the rear part of the right side of the mounting rack is transversely fixedly connected with a sleeve, the right side wall inside the sleeve is fixedly connected with a direct current motor, a threaded rod, the slide block is clamped in the sliding groove, the left part of the threaded rod is in threaded insertion in the right side of the slide rod, the left end of the slide rod is fixedly connected with a rack which is matched with the gear in a proper way, when the direct current motor starts to rotate, the threaded rod is driven to rotate, the slide block on the upper side and the lower side of the right end of the slide rod is clamped in the sliding groove, so that the slide rod cannot rotate, when the threaded rod rotates, the slide rod moves left and right, the gear is driven to rotate through the rack, the rotating shaft is driven to rotate, the rotating directions of the direct current motors are different, the rotating directions of the rotating shaft are also opposite, the lower end surface of the mounting rack is fixedly connected with two fixed rods on the left side and the right side of the rotating shaft, the mounting rack is fixedly connected with the lower ends of the fixed rods to fix the mounting rack to prevent, the inner part of the cylindrical block is provided with a bent through groove, the upper end outlet of the through groove is positioned at the right side of the upper end surface of the cylindrical block, the lower end outlet is positioned in the middle of the lower end surface of the cylindrical block, the lower end of the fixing frame is fixedly connected with a medicine outlet pipe, the upper end opening of the through groove and the upper end of the medicine outlet pipe are funnel-shaped so as to be convenient for carrying liquid medicine, the right side of the lower end surface of the mounting frame is fixedly connected with a fixed cylinder, the left side and the right side of the inner top surface of the fixed cylinder are respectively fixedly connected with a first fixed copper block and a second fixed copper block, the middle is fixedly connected with a traction spring, the lower end of the traction spring is fixedly connected with a copper plate, the left side and the right side of the upper end surface of the copper plate are respectively fixedly connected with a first movable copper block and a second movable copper block, the lower end surface of the copper plate is fixedly connected with a first hook, the lower end of, the utility model discloses a syringe, including mounting bracket, terminal surface, second couple, second infusion bag, syringe needle, second row of pencil, syringe needle lower extreme rigid coupling has the second to be hung to second couple lower extreme, syringe needle lower extreme rigid coupling has the second to arrange the pencil on the second infusion bag lower extreme grafting, second row of pencil lower extreme rigid coupling is in the mount left side and its and pivot distance equals first row of pencil and pivot distance.

Further, the anterior rigid coupling of mounting bracket up end has double-pole double-throw switch, the rigid coupling has bee calling organ and single-pole single-throw switch on the first peg, double-pole double-throw switch one end respectively with direct current motor two poles of the earth electric connection, the other end respectively with the anodal electric connection of the fixed copper billet of second and direct current battery, bee calling organ and single-pole single-throw switch one end and the anodal electric connection of direct current battery, the other end and the fixed copper billet electric connection of second, first fixed copper billet and direct current battery negative pole electric connection.

Furthermore, the lower end of the medicine outlet pipe is connected with a transfusion pipe through a medical transfusion joint, the transfusion pipe is provided with a transfusion bag and a flow regulating valve, and the tail end of the transfusion pipe is fixedly connected with a medical transfusion needle head so as to complete puncture and transfusion operations.

The working principle and the process of the application are as follows: when the infusion of a patient is started, the single-pole single-throw switch is in a closed state, the sliding rod is accommodated in the sleeve, medical staff fills liquid medicine to be infused into the first infusion bag and the second infusion bag in sequence in advance, the through groove in the cylindrical block is actually communicated with the first infusion bag and the medical infusion needle, and the channel of the second infusion bag and the medical infusion needle is blocked by the cylindrical block in the fixing frame, so that the patient receives the liquid medicine in the first infusion bag at the moment, the load of the first infusion bag is reduced along with the gradual reduction of the liquid medicine in the first infusion bag in the infusion process of the patient, the traction spring is gradually contracted, the position of the copper plate is ascended, when the liquid medicine in the first infusion bag is emptied, the traction spring is contracted to ensure that the position of the copper plate ascends and just ensure that the first fixed copper block and the second fixed copper block are respectively contacted with the first movable copper block and the second movable copper block, the buzzer rings to give an alarm to prompt medical staff to replace liquid medicine in time, meanwhile, a circuit of the direct current motor is communicated, the direct current motor rotates and pushes the rack to move leftwards through the threaded rod, so that the rotating shaft drives the cylindrical block to rotate, the cylindrical block just rotates 180 degrees when the sliding rod is pushed to the left end of the threaded rod, the opening at the upper end of the through groove is just positioned below the second medicine discharge pipe, the second infusion bag is communicated with a passage between medical infusion needles, a passage between the first infusion bag and the second infusion bag is blocked by the cylindrical block, infusion of the second infusion bag can be automatically carried out without manual adjustment, the medical staff drives the second infusion bag to a ward after hearing the alarm sound, the single-pole single-throw switch is opened to relieve the alarm, if the infusion needs to be continued, the second infusion bag is taken down and hung below the first hook, the double-pole double-throw switch is pulled at the same time, and the direct current motor reversely, the push rod moves to the right under the effect of the threaded rod, the rack drives the gear to rotate reversely and further drives the cylindrical block to reset to an initial state through the rotating shaft, namely, the opening at the upper end of the through groove in the cylindrical block is positioned below the first medicine discharging pipe, the traction spring is influenced by the gravity of the second infusion bag to extend so that the position of the copper plate is lowered, the first fixed copper block and the second fixed copper block are separated from the first movable copper block and the second movable copper block respectively, the single-pole single-throw switch and the double-pole double-throw switch reset simultaneously, the first infusion bag is taken down and hung below the second hook after being refilled with medicines, and then the device recovers to the initial state at the moment, so that continuous infusion is realized.

The invention has the beneficial effects that: the invention has reasonable structural design, when the infusion of a patient is started, the patient receives the liquid medicine in the first infusion bag, the weight of the first infusion bag is reduced along with the gradual reduction of the liquid medicine in the first infusion bag in the infusion process of the patient, so that the traction spring is gradually contracted, the copper plate is ascended, when the liquid medicine in the first infusion bag is emptied, the traction spring is contracted so that the copper plate is ascended and just makes the first fixed copper block and the second fixed copper block respectively contact with the first movable copper block and the second movable copper block, the circuit where the buzzer is positioned is in a closed state, the buzzer sounds to give an alarm to prompt medical staff to replace the liquid medicine in time, meanwhile, the circuit where the direct current motor is positioned is communicated, the rotating shaft drives the cylindrical block to rotate so that the opening at the upper end of the through groove rotates to the lower part of the second medicine discharge pipe, the second infusion bag is communicated with a passage between the medical infusion needle heads, and the passage between, at the moment, the transfusion of the second transfusion bag can be automatically carried out without manual adjustment, medical staff drives to a ward after hearing an alarm sound, a single-pole single-throw switch is turned on to relieve the alarm, the second transfusion bag is taken down and hung below a first hook if the transfusion is required to be continued, a double-pole double-throw switch is pulled at the same time, a direct current motor is reversely rotated by the double-pole double-throw switch to reset the cylindrical block to the initial state, the first fixed copper block and the second fixed copper block are respectively separated from the first movable copper block and the second movable copper block due to the influence of the gravity of the second transfusion bag, the single-pole single-throw switch and the double-pole double-throw switch are reset, the first transfusion bag is taken down and hung below a second hook after being filled with the medicine again, the device can be restored to the initial state, the continuous transfusion can be realized, the continuous transfusion of the two transfusion bags can be automatically realized in the second transfusion process, medical personnel have enough reaction time to hear the alarm and change infusion bag in time, prevent to take place because of medical personnel's careless condition that air got into the human body or blood refluence after the infusion finishes.

Drawings

FIG. 1 is a schematic diagram of the external structure of the present invention.

Fig. 2 is a schematic view of the internal structure of the mounting rack and the fixing rack of the present invention.

Fig. 3 is a schematic view of the internal structure of the sleeve according to the present invention.

Fig. 4 is a schematic structural view of the cylindrical block according to the present invention.

FIG. 5 is a schematic diagram of the electrical connections between the major electronic components of the present invention.

Detailed Description

The present invention will be described in detail below with reference to fig. 1 to 5.

As shown in figures 1-5, the invention comprises a mounting frame 1, a rotating shaft 7 and a mounting frame 15, wherein two first hanging rods 2 inclined towards the middle are fixedly connected to the left and right sides of the upper end surface of the mounting frame 1, a vertical second hanging rod 3 is fixedly connected to the top ends of the two first hanging rods 2, a hanging cylinder 4 is fixedly connected to the top end of the second hanging rod 3, the hanging cylinder 4 is inserted into the infusion support, so that the device can be hung on the infusion support, a battery cavity 1-1 is arranged at the rear part of the mounting frame 1, a direct current battery 6 is arranged in the battery cavity 1-1, the rotating shaft 7 is inserted into the center of the mounting frame 1, a gear 8 is fixedly connected to the top end of the rotating shaft above the mounting frame 1, a sleeve 9 is transversely and fixedly connected to the rear part of the right side of the mounting frame 1, a direct current motor 10 is fixedly connected to the right side wall inside the sleeve 9, a slide rod 12 is inserted into the left part of the sleeve 9, slide blocks 12-1 are fixedly connected to the upper and lower sides of the right end of the slide rod 12, the slide blocks 12-1 are clamped in the slide grooves 9-1, the left part of a threaded rod 11 is inserted into the right side of the slide rod 12 in a threaded manner, a rack 13 is fixedly connected to the left end of the slide rod 12, the rack 13 is matched with the gear 8, when the direct current motor 10 starts to rotate, the threaded rod 11 is driven to rotate, the slide blocks 12-1 are clamped in the slide grooves 9-1 so that the slide rod 12 cannot rotate, when the threaded rod 11 rotates, the slide rod 12 moves left and right, the gear 8 is driven to rotate through the rack 13, the rotating shaft 7 is driven to rotate, the rotating direction of the direct current motor 10 is different, the rotating direction of the rotating shaft 7 is opposite, and two fixing rods 14 are fixedly connected to the left and, the fixing frame 15 is fixedly connected at the lower end of the fixing rod 14 to fix the fixing frame 15 against rotation, the fixing frame 15 is cylindrical and hollow, a cylindrical block 16 is arranged in the fixing frame, the lower end of the rotating shaft 7 is inserted into the fixing frame 15 and fixedly connected with the cylindrical block 16 in the fixing frame 15, a bent through groove 16-1 is arranged in the cylindrical block 16, the upper end outlet of the through groove 16-1 is positioned on the right side of the upper end face of the cylindrical block 16, the lower end outlet is positioned in the middle of the lower end face of the cylindrical block 16, the lower end of the fixing frame 15 is fixedly connected with a medicine outlet pipe 18, the upper end opening of the through groove 16-1 and the upper end of the medicine outlet pipe 18 are funnel-shaped so as to receive medicine liquid, the right side of the lower end face of the mounting frame 1 is fixedly connected with a fixing cylinder 24, the left side and the right side of the inner top face of the fixing cylinder 24 are respectively, the left side and the right side of the upper end surface of the copper plate 28 are respectively fixedly connected with a first movable copper block 29 and a second movable copper block 30, a first hook 31 is fixedly connected on the lower end surface of the copper plate 28, a first infusion bag 32 is hung on the lower end of the first hook 31, a first upper needle head 33 is inserted at the lower end of the first infusion bag 32, a first medicine discharging pipe 34 is fixedly connected at the lower end of the first upper needle head 33, the lower end of the first medicine discharge pipe 34 is fixedly connected with the upper position of the opening at the upper end of the through groove 16-1 at the right side of the fixed frame 15, a second hook 35 is fixedly connected to the left side of the lower end face of the mounting rack 1, a second infusion bag 36 is hung at the lower end of the second hook 35, a second upper needle 37 is inserted at the lower end of the second infusion bag 36, a second medicine discharge pipe 38 is fixedly connected at the lower end of the second upper needle 37, the lower end of the second medicine discharge pipe 38 is fixedly connected to the left side of the fixed frame 15, and the distance between the second medicine discharge pipe and the rotating shaft 7 is equal to the distance between the first medicine discharge pipe 34 and the rotating shaft 7.

In this embodiment, the rigid coupling of 1 up end of mounting bracket front has double-pole double-throw switch 39, the rigid coupling has bee calling organ 40 and single-pole single-throw switch 41 on the first peg 2, double-pole double-throw switch 39 one end respectively with direct current motor 10 two poles of the earth electric connection, the other end respectively with the fixed copper billet of second 26 and the anodal electric connection of direct current battery 6, bee calling organ 40 and single-pole single-throw switch 41 one end and the anodal electric connection of direct current battery 6, the other end and the fixed copper billet of second 26 electric connection, first fixed copper billet 25 and direct current battery 6 negative pole electric connection.

In this embodiment, the lower end of the drug outlet tube 18 is connected to a transfusion tube 20 through a medical transfusion joint 19, the transfusion tube 20 is provided with a transfusion bag 21 and a flow rate regulating valve 22, and the end of the transfusion tube 20 is fixedly connected to a medical transfusion needle 23.

When the infusion of a patient is started, the single-pole single-throw switch 41 is in a closed state, the sliding rod 12 is accommodated in the sleeve 9, medical staff firstly and sequentially infuse liquid medicine to be infused into the first infusion bag 32 and the second infusion bag 36, at the moment, the through groove 16-1 in the cylindrical block 16 is actually communicated with the first infusion bag 32 and the medical infusion needle 23, and the channels of the second infusion bag 36 and the medical infusion needle 23 are blocked by the cylindrical block 16 in the fixing frame 15, so that the patient receives the liquid medicine in the first infusion bag 32, during the infusion process of the patient, along with the gradual reduction of the liquid medicine in the first infusion bag 32, the load of the first infusion bag 32 is reduced, the traction spring 27 is gradually contracted, the position of the copper plate 28 is ascended, when the liquid medicine in the first infusion bag 32 is emptied, the traction spring 27 is contracted to ensure that the position of the copper plate 28 ascends and the first fixed copper block 25 and the second fixed copper block 26 are just contacted with the first movable copper block 29 and, at the moment, the circuit of the buzzer 40 is in a closed state, the buzzer 40 sounds to give an alarm to prompt medical staff to replace liquid medicine in time, meanwhile, the circuit of the direct current motor 10 is communicated, the direct current motor 10 rotates and pushes the rack 13 to move leftwards through the threaded rod 11, so that the rotating shaft 7 drives the cylindrical block 16 to rotate, the cylindrical block 16 just rotates 180 degrees when the sliding rod 12 pushes the left end of the threaded rod 11, the opening at the upper end of the through groove 16-1 is just positioned below the second medicine discharge pipe 38, the passage between the second infusion bag 36 and the medical infusion needle 23 is communicated, the passage between the first infusion bag 32 and the second infusion bag 36 is blocked by the cylindrical block 16, the infusion of the second infusion bag 36 can be automatically carried out without manual adjustment, the medical staff can rush to a ward after hearing the alarm, the single-pole single-throw switch 41 is opened to relieve the alarm, if the infusion needs to continue, the second infusion bag 36 is taken down and hung below the first hook 31, meanwhile, the double-pole double-throw switch 39 is pulled, the direct current motor 10 is reversely rotated by the double-pole double-throw switch 39, the push rod moves rightwards under the action of the threaded rod 11, the rack 13 drives the gear 8 to reversely rotate and further drives the cylindrical block 16 to reset to an initial state through the rotating shaft 7, namely, the opening at the upper end of the through groove 16-1 in the cylindrical block 16 is positioned below the first medicine discharge pipe 34, the traction spring 27 extends under the influence of the gravity of the second infusion bag 36 to enable the position of the copper plate 28 to descend, the first fixed copper block 25 and the second fixed copper block 26 are respectively separated from the first movable copper block 29 and the second movable copper block 30, the single-pole single-throw switch 41 and the double-pole double-throw switch 39 are reset, the first infusion bag 32 is taken down and is hung below the second hook 35 after being refilled with medicines, and the device is recovered to the initial state at the moment, so that.

Claims

1. The utility model provides a switching device of reserve supply passage of venous transfusion, includes mounting bracket, pivot and mount, its characterized in that: the left side and the right side of the upper end surface of the mounting frame are fixedly connected with two first hanging rods which incline towards the middle, the top ends of the two first hanging rods are fixedly connected with a vertical second hanging rod, the top end of the second hanging rod is fixedly connected with a hanging barrel, the rear part of the mounting frame is provided with a battery cavity, a direct current battery is arranged in the battery cavity, the rotating shaft is inserted in the center of the mounting frame, the top end of the rotating shaft is fixedly connected with a gear above the mounting frame, the rear part of the right side of the mounting frame is transversely fixedly connected with a sleeve, the right side wall inside the sleeve is fixedly connected with a direct current motor, a threaded rod is fixedly connected onto an output shaft of the direct current motor, the upper side and the lower side of the inner wall of the sleeve are provided with sliding grooves, the left part of the sleeve is inserted with a sliding rod, the upper side and the lower side of the right end of the sliding rod are fixedly connected with sliding blocks, the fixing frame is fixedly connected at the lower end of the fixing rod, the fixing frame is cylindrical and hollow, a cylindrical block is arranged in the fixing frame, the lower end of the rotating shaft is inserted into the fixing frame, the cylindrical block is fixedly connected in the fixing frame, a bent through groove is formed in the cylindrical block, an outlet at the upper end of the through groove is positioned on the right side of the upper end surface of the cylindrical block, an outlet at the lower end of the through groove is positioned in the middle of the lower end surface of the cylindrical block, a medicine outlet pipe is fixedly connected at the lower end of the fixing frame, an opening at the upper end of the through groove and the upper end of the medicine outlet pipe are funnel-shaped, a fixing cylinder is fixedly connected at the right side of the lower end surface of the mounting frame, a first fixed copper block and a second fixed copper block are fixedly connected at the left side and the right side of the inner top surface of the fixing cylinder respectively, a traction spring is fixedly connected in the middle, the utility model discloses a transfusion bag, including first infusion bag, first syringe needle lower extreme rigid coupling has first row of pencil, first row of pencil lower extreme rigid coupling is in the position of the logical groove upper end opening top in mount right side, terminal surface left side rigid coupling has the second couple under the mounting bracket, second infusion bag is hung to second couple lower extreme, the second infusion bag lower extreme is pegged graft and is had the syringe needle on the second, and the syringe needle lower extreme rigid coupling has the second row of pencil on the second, second row of pencil lower extreme rigid coupling is in the mount left side and its and pivot distance equals first row of pencil and pivot distance.

2. The device for switching the standby supply path for intravenous infusion according to claim 1, wherein: the front portion of the upper end face of the mounting frame is fixedly connected with a double-pole double-throw switch, a buzzer and a single-pole single-throw switch are fixedly connected to the first hanging rod, one end of the double-pole double-throw switch is electrically connected with two poles of a direct-current motor respectively, the other end of the double-pole double-throw switch is electrically connected with the positive pole of a second fixed copper block and the positive pole of a direct-current battery respectively, one end of the buzzer and one end of the single-pole single-throw switch are electrically connected with the positive pole of the direct-current battery, the other end of the single-pole single-throw switch is electrically.

3. The device for switching the standby supply path for intravenous infusion according to claim 1, wherein: the lower end of the medicine outlet pipe is connected with a transfusion pipe through a medical transfusion joint, the transfusion pipe is provided with a transfusion bag and a flow regulating valve, and the tail end of the transfusion pipe is fixedly connected with a medical transfusion needle.