CN113827814A

CN113827814A - Physical sign monitoring syringe

Info

Publication number: CN113827814A
Application number: CN202111236906.XA
Authority: CN
Inventors: 马建宁; 鲍克娜
Original assignee: Shanghai Jiading District Central Hospital
Current assignee: Shanghai Jiading District Central Hospital
Priority date: 2021-10-24
Filing date: 2021-10-24
Publication date: 2021-12-24

Abstract

The invention discloses a physical sign monitoring injector which comprises an injector arranged on a base and a control mechanism arranged on the base, wherein the signal input end of the control mechanism is connected with the output ends of an electrocardiogram monitor and a blood pressure monitor arranged on the base, and the control mechanism is controlled by the electrocardiogram monitor and/or the blood pressure monitor to drive a piston push rod on the injector to push forwards to inject medicine. The injector is connected with the ECG monitor and the blood pressure monitor, the rotation speed of the motor is controlled by setting the upper and lower limit thresholds of the heart rate and the blood pressure according to the condition of a patient, so that the propelling speed of the injector is controlled, a certain guarantee is provided for the physical health of the patient, the injector can also realize mechanical adjustment, after a person manually presses the pressing handle, the first transmission gear is disengaged from the meshing teeth on the piston push rod, the injection can be stopped in time, and the injector is very convenient to use.

Description

Physical sign monitoring syringe

Technical Field

The invention relates to the field of medical instruments, in particular to a physical sign monitoring injector.

Background

Syringes are one of the efficient and effective ways to deliver drugs to patients, but according to medical reports, syringes have a relatively large effect on both heart beat and blood pressure when injecting a bolus of drug into a patient. However, when a doctor injects a medicine into a patient, the doctor cannot intuitively observe how much the injection speed affects the heartbeat and blood pressure of the patient, and can only determine whether to stop or continue injecting the medicine according to the experience of the doctor and the external expression of the patient, but the patient cannot know the heartbeat, blood pressure and other data of the patient when injecting the medicine, and only when the patient feels uncomfortable or extremely uncomfortable, the doctor is required to stop injecting the medicine, and no effective real-time physical sign monitoring measure exists in the whole process, so that medical accidents are easy to occur.

Disclosure of Invention

The invention aims to provide a physical sign monitoring injector to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the physical sign monitoring injector comprises an injector arranged on a base and a control mechanism arranged on the base, wherein the signal input end of the control mechanism is connected with the output ends of an electrocardiogram monitor and a blood pressure monitor arranged on the base, and the control mechanism is controlled by the electrocardiogram monitor and/or the blood pressure monitor to drive a piston push rod on the injector to push forward to inject medicine.

Preferably, the control mechanism controls the injection speed of the injector, and the injector keeps advancing at a constant speed during injection.

Preferably, a plurality of meshing teeth are distributed on the circumferential surface of the piston push rod at equal intervals along the axial direction of the piston push rod, and the tail part of the piston push rod is connected with a first semicircular limiting baffle.

Preferably, the control mechanism comprises a transmission box body, a motor is arranged inside the transmission box body, the output ends of the electrocardiograph monitor and the blood pressure monitor are in signal connection with the motor, the output end of the motor is in driving connection with a driving gear in the vertical direction, a rotating shaft is arranged in the center of the transmission box body, a second transmission gear meshed with the driving gear is fixedly sleeved at the bottom of the rotating shaft, a first transmission gear meshed with the meshing gear is rotatably connected to the top of the transmission box body, and the first transmission gear is fixedly sleeved on the rotating shaft.

Preferably, the control mechanism also comprises a top plate, a side plate and a bottom plate, the top plate is connected with the top end of the side plate, the bottom plate is connected with the bottom of the side plate, the top plate, curb plate and bottom plate are U type structure after linking to each other, the top of bottom plate is connected with spacing post along vertical direction, the first spring that is compression state has been cup jointed to the outside of spacing post, the bottom of transmission box links to each other with first spring, one side that corresponds the curb plate on the periphery of transmission box is connected with the elasticity card strip, the bottom of elasticity card strip is formed with the arch, it has seted up spacing hole to be located bellied below on the curb plate, the top of pivot upwards extends and runs through transmission box and roof in proper order, the last spacing slidable mounting in vertical direction of following of control mechanism has the handle of pressing, the top of pivot is run through the roof outside and upwards extends to the top of pressing the handle inboard and rotates with it and is connected, the bottom of pressing the handle is located the below of roof and rotates with cup joint the epaxial first transmission gear and is connected.

Preferably, the position department that corresponds spacing hole on the lateral wall of curb plate is pegged graft and is had the ejector pad, and the back of ejector pad is connected with the backplate, and the both sides that correspond the backplate on the outer wall of curb plate all are connected with the guide post, and the outside end-to-end connection of guide post has the second baffle, has still cup jointed the second spring on the guide post, and the one end of second spring links to each other with the outer wall of curb plate, and the other end links to each other with the backplate.

Preferably, the injector is fixedly mounted on the base through a fixing ring sleeved outside, the bottom of the first limiting baffle is connected with a pulley through a connecting rod, and a limiting sliding groove for the pulley to slide is formed in the base in the moving direction corresponding to the piston push rod.

Compared with the prior art, the invention provides a physical sign monitoring injector, which has the following beneficial effects:

the injector is connected with an electrocardiogram monitor and a blood pressure monitor, a motor of a transmission box body is in signal connection with the output ends of the electrocardiogram monitor and the blood pressure monitor, the rotating speed of the motor is controlled by setting upper and lower limit thresholds of heart rate and blood pressure according to the condition of a patient, the motor drives a driving gear to rotate and controls the rotating speed of the controller, a second transmission gear is meshed with the driving gear to drive a rotating shaft to synchronously rotate with the driving gear, and then a first transmission gear sleeved on the rotating shaft is driven to be meshed with meshing teeth on a piston push rod, so that the purpose of controlling the pushing speed of the injector by the motor is achieved. When the heart rate and the blood pressure of the patient exceed the threshold values, the motor stops rotating immediately, and the injector stops transfusion. In addition, the injector of the invention can realize mechanical adjustment, and after a person manually presses the pressing handle, the first transmission gear is disengaged from the meshing teeth on the piston push rod, so that the injection can be stopped in time.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:

FIG. 1 is a schematic view of the overall structure of a first angle of the present invention;

FIG. 2 is a schematic view of the overall structure of a second angle of the present invention;

FIG. 3 is a schematic structural view of a control mechanism according to the present invention;

FIG. 4 is an exploded view of the control mechanism of the present invention;

FIG. 5 is a schematic view of the internal structure of the transmission case according to the present invention;

fig. 6 is a partially enlarged schematic view of a portion a in fig. 1.

In the figure: 1. a base; 2. an electrocardiograph monitor; 3. a blood pressure monitor; 4. an alarm; 5. an injector; 6. a piston push rod; 7. meshing teeth; 8. a first limit baffle; 9. a fixing ring; 10. a control mechanism; 101. a top plate; 102. a side plate; 103. a base plate; 11. a pulley; 12. a limiting chute; 13. pressing the handle; 14. a first drive gear; 15. a transmission case body; 16. a first spring; 17. a limiting column; 18. an elastic clamping strip; 19. a limiting hole; 20. a rotating shaft; 21. a second transmission gear; 22. a driving gear; 23. a motor; 24. a protrusion; 25. a back plate; 26. a push block; 27. a guide post; 28. a second baffle; 29. a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the embodiments of the present invention.

Referring to fig. 1-6, the present embodiment discloses a physical sign monitoring injector, which includes an injector 5 disposed on a base 1, and further includes a control mechanism 10 disposed on the base 1, wherein a signal input end of the control mechanism 10 is connected to output ends of an electrocardiograph monitor 2 and a blood pressure monitor 3 disposed on the base 1, and the control mechanism 10 is controlled by the electrocardiograph monitor 2 and/or the blood pressure monitor 3 to drive a piston push rod 6 on the injector 5 to advance to inject a medicine. The control mechanism 10 is used to control the injection speed of the injector 5, and the injector 5 keeps advancing at a constant speed when injecting the medicine.

As shown in fig. 1, a plurality of engaging teeth 7 are distributed on the circumferential surface of the piston push rod 6 at equal intervals along the axial direction thereof, and the tail of the piston push rod 6 is connected with a first semicircular limiting baffle 8.

As shown in fig. 3, the control mechanism 10 in this embodiment includes a transmission case 15, a motor 23 is installed inside the transmission case 15, the output ends of the electrocardiograph monitor 2 and the blood pressure monitor 3 are in signal connection with the motor 23, the upper and lower limit thresholds of the heart rate and the blood pressure are set according to the patient condition to control the rotation speed of the motor 23, the output end of the motor 23 is connected with a driving gear 22 in a vertical driving manner, a rotating shaft 20 is disposed at the center of the inside of the transmission case 15, a second transmission gear 21 meshed with the driving gear 22 is fixedly sleeved at the bottom of the rotating shaft 20, a first transmission gear 14 meshed with the meshing teeth 7 is rotatably connected at the top of the transmission case 15, the first transmission gear 14 is fixedly sleeved on the rotating shaft 20, the rotation speed of the motor 23 is controlled according to the set threshold input by the doctor, the motor 23 drives the driving gear 22 to rotate and controls the rotation speed of the controller, the second transmission gear 21 is meshed with the driving gear 22 to drive the rotating shaft 20 to rotate synchronously therewith, and then the first transmission gear 14 sleeved on the rotating shaft 20 is driven to be meshed with the meshing teeth 7 on the piston push rod 6, and finally the purpose of controlling the propelling speed of the injector 5 through the motor 23 is achieved.

Further, the control mechanism 10 further comprises a top plate 101, side plates 102 and a bottom plate 103, the top plate 101 is connected with the top ends of the side plates 102, the bottom plate 103 is connected with the bottom of the side plates 102, the top plate 101, the side plates 102 and the bottom plate 103 are connected to form a U-shaped structure, the top of the bottom plate 103 is connected with a limiting column 17 along the vertical direction, a first spring 16 in a compressed state is sleeved outside the limiting column 17, the bottom of the transmission case 15 is connected with the first spring 16, one side of the circumferential surface of the transmission case 15 corresponding to the side plates 102 is connected with an elastic clamping strip 18, a bulge 24 is formed at the bottom of the elastic clamping strip 18, a limiting hole 19 is formed below the bulge 24 on the side plate 102, the top of the rotating shaft 20 extends upwards and sequentially penetrates through the transmission case 15 and the top plate 101, a pressing handle 13 is slidably mounted on the control mechanism 10 along the vertical direction in a limiting manner, the top of the rotating shaft 20 extends upwards to the top of the inner side of the pressing handle 13 after penetrating through the outside of the top plate 101 and is rotatably connected with the pressing handle, the bottom of the pressing handle 13 is located below the top plate 101 and is rotatably connected with the first transmission gear 14 sleeved on the rotating shaft 20, and the initial state of the first spring 16 is in a compression state, so that the whole transmission box 15 and the first transmission gear 14 are limited at the top plate 101 by the acting force of the first spring 16, the pressing handle 13 can realize mechanical adjustment, when injection is required to be stopped timely, a person presses the pressing handle 13 to drive the transmission box 15 and the first transmission gear 14 to move downwards to extrude the first spring 16, the first transmission gear 14 is separated from the meshing teeth 7 and cannot be meshed, the piston push rod 6 stops pushing forwards immediately after losing power, the elastic clamping strip 18 connected to one side of the transmission box 15 passes through the limiting hole 19 when sliding along the side plate 102, and the bulge 24 at the bottom of the elastic clamping strip 18 extends into the limiting hole 19 under the action of self elasticity.

As shown in fig. 6, a push block 26 is inserted in a position corresponding to the position of the limiting hole 19 on the outer side wall of the side plate 102, the back of the push block 26 is connected with a back plate 25, the two sides of the outer wall of the side plate 102 corresponding to the back plate 25 are both connected with guide posts 27, the outer ends of the guide posts 27 are connected with a second baffle plate 28, the guide posts 27 are further sleeved with second springs 29, one end of each second spring 29 is connected with the outer wall of the side plate 102, the other end is connected with the back plate 25, when the injection is stopped and needs to be performed again, the personnel support presses the back plate 25 to drive the push block 26 to slide towards the inner part of the limit hole 19, and then the bulge 24 at the bottom of the elastic clamping strip 18 is pushed out of the limiting hole 19, at the moment, the first transmission gear 14 and the transmission box 15 return to the initial position under the reaction of the first spring 16, the first transmission gear 14 is meshed with the meshing teeth 7 again, and after the person releases the back plate 25, the back plate 25 returns to the initial position under the action of the second spring 29.

Syringe 5 is through the solid fixed ring 9 fixed mounting that the outside cup jointed on base 1, when piston push rod 6 promoted forward under the drive of first gear 14, because whole syringe 5 is in unsettled state, and when its inside was full of injection liquid, piston push rod 6 is great for syringe 5 span, consequently, keep concentric with syringe 5 in order to guarantee piston push rod 6 at propulsion in-process all the time, this embodiment is connected with pulley 11 through the connecting rod in the bottom of first limit baffle 8, be formed with on the base 1 corresponding piston push rod 6's the direction of movement and supply the gliding spacing spout 12 of pulley 11.

In addition, the electrocardiogram monitor 2 and the blood pressure monitor 3 are both provided with the alarm 4, the alarm value is determined according to the state of illness of the patient, and when the blood pressure or the heart rate of the patient exceeds a threshold value, the alarm 4 gives an alarm sound and sends a signal to the injector 5 to stop injection.

In the description of the present invention, the terms "first", "second", "another", and "yet" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The physical sign monitoring injector comprises an injector (5) arranged on a base (1), and is characterized by further comprising a control mechanism (10) arranged on the base (1), wherein a signal input end of the control mechanism (10) is connected with an output end of an electrocardiogram monitor (2) and a blood pressure monitor (3) arranged on the base (1), and the control mechanism (10) is controlled by the electrocardiogram monitor (2) and/or the blood pressure monitor (3) to further drive a piston push rod (6) on the injector (5) to forwards push and inject drugs.

2. The vital signs monitoring injector according to claim 1, wherein the control mechanism (10) controls the bolus rate of the injector (5) and the injector (5) maintains constant advancement during injection.

3. The physical sign monitoring injector according to claim 1 or 2, wherein a plurality of engaging teeth (7) are distributed on the circumferential surface of the piston push rod (6) at equal intervals along the axial direction, and the tail part of the piston push rod (6) is connected with a semicircular first limit baffle (8).

4. The physical sign monitoring injector according to claim 3, wherein the control mechanism (10) comprises a transmission case (15), a motor (23) is installed inside the transmission case (15), the output ends of the electrocardiograph monitor (2) and the blood pressure monitor (3) are in signal connection with the motor (23), the output end of the motor (23) is in driving connection with a driving gear (22) along the vertical direction, a rotating shaft (20) is arranged at the center of the inside of the transmission case (15), a second transmission gear (21) meshed with the driving gear (22) is fixedly sleeved at the bottom of the rotating shaft (20), a first transmission gear (14) meshed with the meshing teeth (7) is rotatably connected at the top of the transmission case (15), and the first transmission gear (14) is fixedly sleeved on the rotating shaft (20).

5. The physical sign monitoring injector according to claim 4, wherein the control mechanism (10) further comprises a top plate (101), a side plate (102) and a bottom plate (103), the top plate (101) is connected with the top end of the side plate (102), the bottom plate (103) is connected with the bottom of the side plate (102), the top plate (101), the side plate (102) and the bottom plate (103) are connected to form a U-shaped structure, the top of the bottom plate (103) is connected with a limiting column (17) along the vertical direction, a first spring (16) in a compressed state is sleeved outside the limiting column (17), the bottom of the transmission case (15) is connected with the first spring (16), one side of the circumferential surface of the transmission case (15) corresponding to the side plate (102) is connected with an elastic clamping strip (18), a bulge (24) is formed at the bottom of the elastic clamping strip (18), a limiting hole (19) is formed below the bulge (24) on the side plate (102), the top of pivot (20) upwards extends and runs through transmission box (15) and roof (101) in proper order, and the spacing slidable mounting in vertical direction of edge has on control mechanism (10) presses handle (13), and the top of pivot (20) runs through roof (101) outside and upwards extends to the top of pressing handle (13) inboard and rotate with it and be connected, and the bottom of pressing handle (13) is located the below of roof (101) and rotates with first drive gear (14) of cup jointing on pivot (20) and is connected.

6. The physical sign monitoring injector according to claim 5, wherein a push block (26) is inserted at a position corresponding to the limiting hole (19) on the outer side wall of the side plate (102), the back of the push block (26) is connected with a back plate (25), guide posts (27) are connected to both sides of the outer wall of the side plate (102) corresponding to the back plate (25), a second baffle (28) is connected to the outer ends of the guide posts (27), a second spring (29) is further sleeved on the guide posts (27), one end of the second spring (29) is connected with the outer wall of the side plate (102), and the other end of the second spring is connected with the back plate (25).

7. The physical sign monitoring syringe according to any one of claims 4, 5 and 6, wherein the syringe (5) is fixedly mounted on the base (1) through a fixing ring (9) sleeved outside, the bottom of the first limit baffle (8) is connected with a pulley (11) through a connecting rod, and a limit chute (12) for the pulley (11) to slide is formed on the base (1) in the moving direction corresponding to the piston push rod (6).