CN109432540B

CN109432540B - Heating device for be used for infusion liquid

Info

Publication number: CN109432540B
Application number: CN201811334043.8A
Authority: CN
Inventors: 蒋莹; 朱海振; 金珊
Original assignee: Guizhou Provincial Peoples Hospital
Current assignee: Guizhou Provincial Peoples Hospital
Priority date: 2018-11-09
Filing date: 2018-11-09
Publication date: 2021-02-19
Anticipated expiration: 2038-11-09
Also published as: CN109432540A

Abstract

The invention provides a heating device for infusion liquid, which mainly comprises a support frame, wherein a first fixing plate is arranged at the top end of the support frame, fixing auxiliary rods are respectively arranged below two walls of the first fixing plate, through grooves are formed in the fixing auxiliary rods in the vertical direction, a second fixing plate is arranged at the middle end of the support frame, a display screen is arranged on the outer surface of the second fixing plate, a storage cavity, a tube passing channel, a flow rate control valve and a heating cavity are arranged in the second fixing plate, a filtering grid, a stirring leaf fan and a rotating shaft are arranged in the storage cavity, the tube passing channel is positioned at the middle lower end of the second fixing plate, a spiral rod is fixed in the tube passing channel, the heating cavity is provided with a gas bag, a heating pipe, a rotating rod and a sliding groove, a controller is arranged in the second fixing plate, a base is arranged below the support frame, and a power supply device, the comfort of the patient is improved.

Description

Heating device for be used for infusion liquid

Technical Field

The invention belongs to the technical field of medical instruments, and particularly relates to a heating device for infusion liquid.

Background

Intravenous infusion is one of the most common medical means in clinical medicine, and is a method for infusing a large amount of sterile liquid, electrolyte and medicine into a body from veins by utilizing the principles of atmospheric pressure and hydrostatic pressure, so that the medicine can be approximately at the curative effect concentration, the constant concentration required by the curative effect can be continuously maintained, and the supplement is rapid.

However, at present, the intravenous infusion management mode still adopts the traditional manual management mode, once medical care personnel monitor untimely to lead to the infusion to end the needle and not pull out, the situations such as the patient is uncomfortable and the like are happened occasionally due to improper infusion speed and infusion temperature, the workload of the medical care personnel is greatly increased, meanwhile, unnecessary troubles are brought to the patient, and the needle can be usually applied to the position of the insertion needle by using methods such as a hot water bag, a hot water bottle and the like. However, this method is inconvenient, the temperature cannot be controlled stably, hot water needs to be changed frequently, the temperature is not easy to control, even scald occurs, and many patients have uncomfortable symptoms such as cold body, pain, spasm and the like during transfusion due to the fact that the temperature of the liquid for transfusion is lower than the temperature of the human body. For common malignant tumors in clinic: the application of oxaliplatin, the most commonly used and effective cytotoxic chemotherapeutic drug for intravenous infusion of patients, in the chemotherapy process of colorectal cancer, gastric cancer, pancreatic cancer and the like, is particularly important.

In the process of oxaliplatin intravenous injection, dose-limiting toxicity is dose-related, accumulative and reversible peripheral neurotoxicity, which is mainly characterized in that arms on one side of an oxaliplatin infusion liquid are obviously numb, insensitive and abnormal sensations at the extremities, aggravated when meeting cold and occasionally reversible acute laryngopharyngeal paresthesia, and the neurotoxicity is aggravated by cold stimulation.

Disclosure of Invention

In view of the above technical problems, the present invention provides a heating device for heating infusion liquid.

The technical scheme of the invention is as follows: a heating device for infusion liquid mainly comprises a support frame, wherein a first fixing plate is arranged at the top end of the support frame and is a T-shaped plate, auxiliary fixing rods are respectively arranged below two walls of the first fixing plate, a through groove is formed in the auxiliary fixing rods in the vertical direction, a spring is arranged in the through groove, a sleeve is arranged in the middle of the far end of the first fixing plate, a sleeve is sleeved in the sleeve and is in sliding connection with the sleeve, two sides of the lower end of the sleeve are connected with the spring through connecting rods, an infusion bottle is placed in the sleeve, threaded rods transversely penetrate through the left side and the right side of the upper end in the sleeve, a gasket is arranged between each threaded rod and the infusion bottle and used for fixing the infusion bottle, lead screws are respectively and longitudinally arranged at the left end and the right end of the bottom of the sleeve, sleeve rods are sleeved outside the lead screws, the, the infusion bottle is pulled and fixed, the middle end of the supporting frame is provided with a second fixing plate, the outer surface of the second fixing plate is provided with a display screen, the second fixing plate is internally provided with a storage cavity, a tube passing channel, a flow rate control valve and a heating cavity, the storage cavity is fixed at the middle upper end of the second fixing plate, the upper part of the storage cavity is connected with the infusion bottle through a guide tube and is externally connected with an air guide tube, the storage cavity is internally provided with two filter grids, stirring blade fans and rotating shafts, the two filter grids are respectively fixed at the upper end and the lower end of the storage cavity, the rotating shaft is positioned at the horizontal middle end of the storage cavity, the rotating shaft is externally connected with a first driving motor, the first driving motor is commercially available, the first driving motor is provided with a rotating speed regulator, the two stirring blade fans are uniformly fixed on the rotating shaft, the spiral rod outer wall is provided with a transfusion tube, the transfusion tube penetrates below the second fixed plate, the transfusion tube is connected with a drip cup through a drip speed controller, the drip cup is provided with a flow control instrument, a flow rate control valve is positioned between the lower parts of the storage cavity and used for controlling the flow rate of the transfusion liquid, the outer wall of the tube passage is provided with a slide rail, the lower part of the heating cavity is connected with the bottom of the second fixed plate through a telescopic rod, the heating cavity is sleeved outside the tube passage, the upper end and the lower end of the interior of the heating cavity are respectively provided with a slide block, the heating cavity and the tube passage are in sliding connection through the slide block and the slide rail, the heating cavity is provided with a gas bag, a heating pipe, a rotating rod and a sliding chute, the gas bag is positioned at the near end of the interior of the heating cavity, a, heating pipe one end links to each other with the dwang, and the other end passes through the flitch and links to each other with the gas bag, and the heating pipe is horizontal evenly distributed mode, is equipped with the controller in the second fixed plate, and the controller is commercially available, be electric connection between controller and flow rate control valve, storage chamber, heating chamber, telescopic link, driving motor one, driving motor two, the support frame below is equipped with the base, the base is equipped with power supply unit, electric connection between power supply unit and driving motor, telescopic link, heating chamber, the display screen, the electrical property links to each other between display screen and the controller.

Furthermore, a gravity sensor is arranged on the spring in the through groove and used for controlling the weight of the infusion bottle in real time, and an alarm is arranged above the fixed auxiliary rod and can remind the user of the remaining volume of the infusion in time.

Further, the pipe passing channel is of a double-layer grid structure, a spring is arranged between the double-layer grid structure, heat of the heating pipe is dispersed, uniformity of a heating process is guaranteed, and damage caused by direct contact of temperature with the infusion pipe is prevented.

Further, the lower extreme is equipped with telescopic strut in the support frame, telescopic strut overcoat is in the support frame outside, and telescopic strut is equipped with the connecting plate with support frame handing-over department, both ends inner wall is equipped with the pulley about the connecting plate for fix support frame moving direction, the inside lower extreme of telescopic strut is equipped with the winder, is fixed with the fixed block below the support frame, the fixed block with the winder passes through the fine rule and links to each other, about the support frame both ends respectively through the spring with the connecting block links to each other, is equipped with the through-hole on the support frame, is equipped with adjust knob on the connecting plate, the support frame passes through with the connecting plate adjust knob with through-hole.

Furthermore, the anti-slip pad is arranged at the joint of the loop bar and the infusion bottle, so that the infusion bottle can be better fixed.

Furthermore, a temperature display, a flow rate display, an indicator light and a rotating speed control key are arranged on the display screen, and the running conditions of all parts are known and controlled in real time.

Furthermore, four groups of heating pipes are distributed in the vertical direction of the rotating rod, the heating pipes are PTC thermistors, a temperature regulator is arranged in each heating pipe, the temperature regulators are electrically connected with the controllers, a gas inductor is arranged in a liquid conveying pipe in the spiral rod, and the gas inductor is electrically connected with the temperature regulators through a single chip microcomputer, so that the uniformity of heating the liquid conveying pipe is ensured, and bubbles are prevented from being generated.

The working principle of the invention is as follows: before the infusion bottle is used, an infusion bottle is placed into the sleeve, the sleeve rod drives the screw rod to rotate, the infusion bottle moves downwards, the spiral rod is fixed, the infusion bottle is inserted into the lower portion of the infusion bottle through the guide pipe, infusion liquid flows into the storage cavity, the rotating speed of the rotating shaft is controlled, the infusion liquid in the storage cavity is controlled by the flow rate control valve to move downwards to the spiral rod, the heater rotates in the sliding groove through the rotating rod, the infusion liquid filled in the spiral rod is heated, and the infusion flow rate is adjusted by the flow rate control instrument.

Compared with the prior art, the invention has the beneficial effects that: this device can be fixed the infusion bottle, through threaded rod and lead screw and loop bar and cooperation, prevent that the infusion bottle from taking place the skew, the fixed sub-pole of sleeve foreign language is inside to link to each other through the spring, liquid capacity to in the infusion bottle is monitored, the storage chamber is even to the infusion liquid stirring, guarantee the dispersibility, pass through the effect of hob to the transfer line of infusion liquid in the heating chamber, guarantee the homogeneity of heating process's temperature, prevent the gassing, the cooperation of pipe channel and gas bag simultaneously, prevent heating pipe direct contact transfer line, cause the damage to the transfer line, flow rate control valve and flow control appearance are to the heating stage and the flow rate control of two stages of flowing into human infusion liquid, guarantee infusion liquid's even heating and velocity of flow even, improve patient's travelling comfort, can control temperature in reasonable district, guarantee infusion safety.

Drawings

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

FIG. 2 is a schematic view of the internal structure of a second fixing plate according to the present invention;

FIG. 3 is a schematic view of the structure of the fixing auxiliary rod and the sleeve of the present invention;

FIG. 4 is a schematic structural view of the support frame and the telescopic strut of the present invention;

FIG. 5 is a cross-sectional view A-A of FIG. 2 of the present invention;

fig. 6 is a control block diagram of the present invention.

Wherein, 1-a support frame, 10-a base, 11-a first fixed plate, 12-a fixed auxiliary rod, 121-an alarm 13-a through groove, 14-a spring, 15-a sleeve, 16-a sleeve, 17-a threaded rod, 18-a lead screw, 19-a sleeve rod, 2-a telescopic supporting rod, 21-a connecting plate, 22-a pulley, 23-a reel, 24-a fixed block, 25-a through hole, 26-an adjusting knob, 3-a second fixed plate, 30-a display screen, 31-a storage cavity, 311-a filtering grid, 312-a stirring leaf fan, 313-a rotating shaft, 32-a pipe channel, 321-a spiral rod, 322-a sliding rail, 33-a flow rate control valve, 34-a heating cavity, 341-a sliding block, 342-a gas capsule, a, 343-heating pipe, 344-rotating rod, 345-chute, 35-telescopic rod, 4-controller, 5-infusion bottle.

Detailed Description

Example (b):

as shown in fig. 1 and 3, a heating device for infusion liquid mainly comprises a support frame 1, a first fixing plate 11 is arranged at the top end of the support frame 1, the first fixing plate 11 is a T-shaped plate, auxiliary fixing rods 12 are respectively arranged below two walls of the first fixing plate 11, a through groove 13 is formed in the vertical direction inside the auxiliary fixing rod 12, a spring 14 is arranged inside the through groove 13, a gravity sensor is arranged on the spring 14 in the through groove 13 and used for real-time control of the weight of an infusion bottle 5, an alarm 121 is arranged above the auxiliary fixing rod 12, a sleeve 15 is arranged in the middle of the far end of the first fixing plate 11, a sleeve 16 is sleeved inside the sleeve 15, the sleeve 15 is in sliding connection with the sleeve 16, two sides of the lower end of the sleeve 16 are connected with the spring 14 through connecting rods, an infusion bottle 5 is arranged inside the sleeve 16, threaded rods 17 transversely penetrate through the left and right sides of the, the infusion bottle fixing device is used for fixing an infusion bottle 5, the left end and the right end of the bottom of the sleeve 16 are respectively and longitudinally provided with a lead screw 18, a loop bar 19 is sleeved outside the lead screw 18, the tail end of the loop bar 19 extends to the outer wall of the infusion bottle 5 and is fixed to the infusion bottle 5 in a traction mode through rotation on the lead screw 18, the middle end of the support frame 1 is provided with a second fixing plate 3, the outer surface of the second fixing plate 3 is provided with a display screen 30, and the display screen 30 is provided with a temperature display, a flow rate display.

As shown in fig. 2, 5 and 6, a storage chamber 31, a tube passing channel 32, a flow rate control valve 33 and a heating chamber 34 are arranged inside the second fixing plate 3, the storage chamber 31 is fixed at the upper end of the second fixing plate 3, the upper part of the storage chamber 31 is connected with an infusion bottle 5 through a conduit and is externally connected with an air duct, a filter grid 311, a stirring blade fan 312 and a rotating shaft 313 are arranged inside the storage chamber 31, two filter grids 311 are respectively fixed at the upper end and the lower end of the storage chamber 31, the rotating shaft 313 is positioned at the horizontal middle end of the storage chamber 31, the rotating shaft 313 is externally connected with a first driving motor, a rotating speed regulator is arranged on the first driving motor, two stirring blade fans 312 are uniformly fixed on the rotating shaft 313, the tube passing channel 32 is positioned at the middle lower end of the second fixing plate 3, a spiral rod 321 is fixed inside the tube passing channel 32, the outer wall of the spiral rod 321 is provided with, the drip cup is provided with a flow control instrument, a flow rate control valve 33 is positioned between the lower parts of the storage cavities 31 and is used for controlling the flow rate of the infusion liquid, a sliding rail 322 is arranged on the outer wall of the tube passing channel 32, the tube passing channel 32 is of a double-layer grid structure, a spring 14 is arranged between the double-layer grid structure, the lower part of the heating cavity 34 is connected with the bottom of the second fixing plate 3 through a telescopic rod 35, the heating cavity 34 is externally sleeved outside the tube passing channel 32, sliding blocks 341 are respectively arranged at the upper end and the lower end inside the heating cavity 34, the heating cavity 34 and the tube passing channel 32 are in sliding connection with the sliding rail 322 through the sliding blocks 341, the heating cavity 34 is provided with a gas bag 342, a heating pipe 343, a rotating rod 344 and a sliding chute 345, the gas bag 342 is positioned at the near end inside the heating cavity 34, a temperature, one end of the heating pipe 343 is connected with the rotating rod 344, the other end is connected with the gas bag 342 through a joint plate, the heating pipe 343 is in a horizontal and uniform distribution mode, four groups of heating pipes 343 are distributed in the vertical direction of the rotating rod 344, the heating pipe 343 is a PTC thermistor, a temperature regulator is arranged in the heating pipe 343, the temperature regulator is electrically connected with the controller 4, a gas sensor is arranged in a liquid conveying pipe in the screw rod 321, the gas sensor is electrically connected with the temperature regulator through a single chip microcomputer, a controller 4 is arranged in the second fixing plate 3, the controller 4 is electrically connected with the flow rate control valve 33, the storage cavity 31, the heating cavity 34, the telescopic rod 35, the flow control instrument, the alarm, the first driving motor and the second driving motor,

as shown in fig. 4 and 6, a telescopic rod 2 is provided at the lower end of a support frame 1, the telescopic rod 2 is sleeved outside the support frame 1, a connecting plate 21 is provided at the joint of the telescopic rod 2 and the support frame 1, pulleys 22 are provided on the inner walls of the left and right ends of the connecting plate 21 for fixing the moving direction of the support frame 1, a reel 23 is provided at the lower end of the telescopic rod 6, a fixing block 24 is fixed below the support frame 1, a fixing block 64 is connected with the reel 23 through a thin wire, the left and right ends of the support frame 1 are respectively connected with the connecting block 21 through springs 14, a through hole 25 is provided on the support frame 1, an adjusting knob 26 is provided on the connecting plate 21, the support frame 1 and the connecting plate 21 are fixedly connected with the through hole 25 through the adjusting knob 26, a base 10 is provided below the support frame, the display 30 is electrically connected to the controller 4.

When in use: an infusion bottle 5 is placed into the sleeve 16, the sleeve rod 19 drives the screw rod 18 to rotate, the infusion bottle 5 moves downwards, the threaded rod 17 fixes the infusion bottle 5, the infusion bottle is inserted below the infusion bottle 5 through a catheter, infusion liquid flows into the storage cavity 31, the rotating speed of the rotating shaft 313 is controlled, the flow rate control valve 33 controls the infusion liquid in the storage cavity 31 to move downwards to the spiral rod 321, the heater 343 rotates in the sliding groove 345 through the rotating rod 344, the infusion liquid in the spiral rod 321 is heated, and the flow rate of infusion is regulated by the flow rate control instrument.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A heating device for infusion liquid is characterized by comprising a support frame (1), wherein a first fixing plate (11) is arranged at the top end of the support frame (1), the first fixing plate (11) is a T-shaped plate, auxiliary fixing rods (12) are respectively arranged below two walls of the first fixing plate (11), a through groove (13) is formed in the auxiliary fixing rods (12) in the vertical direction, a spring (14) is arranged in the through groove (13), a sleeve (15) is arranged in the middle of the far end of the first fixing plate (11), a sleeve (16) is sleeved in the sleeve (15), the sleeve (15) is in sliding connection with the sleeve (16), two sides of the lower end of the sleeve (16) are connected with the spring (14) through connecting rods, an infusion bottle (5) is arranged in the sleeve (16), threaded rods (17) are transversely arranged on the left side and the right side of the upper end in the sleeve (16) in a penetrating manner, and a gasket is arranged between the threaded rods, the infusion bottle support is used for fixing an infusion bottle (5), the left end and the right end of the bottom of the sleeve (16) are respectively and longitudinally provided with a lead screw (18), a loop bar (19) is sleeved outside the lead screw (18), the tail end of the loop bar (19) extends to the outer wall of the infusion bottle (5), the infusion bottle (5) is fixedly pulled through rotating on the lead screw (18), the middle end of the support frame (1) is provided with a second fixing plate (3), the outer surface of the second fixing plate (3) is provided with a display screen (30), a storage cavity (31), a pipe passing channel (32), a flow rate control valve (33) and a heating cavity (34) are arranged inside the second fixing plate (3), the storage cavity (31) is fixed at the middle upper end of the second fixing plate (3), the upper part of the storage cavity (31) is connected with the infusion bottle (5) through a guide pipe and is externally connected with an air guide pipe, a filter grid (311), the filter net (311) has two, is fixed in the upper and lower both ends of storage chamber (31) respectively, axis of rotation (313) are located storage chamber (31) level middle-end, and axis of rotation (313) are external to have driving motor one, driving motor is equipped with speed regulator on one, stirring leaf fan (312) have two, evenly are fixed in on axis of rotation (313), manage passageway (32) and be located lower extreme in second fixed plate (3), manage passageway (32) inside and be fixed with hob (321), hob (321) outer wall is equipped with the transfer line, the transfer line runs through in second fixed plate (3) below, and the transfer line links to each other with the drip cup through dripping speed controller, and the drip cup is equipped with flow control appearance, flow control valve (33) are located between storage chamber (31) below for control infusion liquid flow rate, manage passageway (32) outer wall and be equipped with slide rail (322), the lower part of the heating cavity (34) is connected with the bottom of the second fixing plate (3) through a telescopic rod (35), the heating cavity (34) is sleeved outside the pipe passing channel (32), the upper end and the lower end of the inside of the heating cavity (34) are respectively provided with a sliding block (341), the heating cavity (34) and the pipe passing channel (32) are connected with the sliding rail (322) in a sliding manner through the sliding block (341), the heating cavity (34) is provided with a gas bag (342), a heating pipe (343), a rotating rod (344) and a sliding groove (345), the gas bag (342) is positioned at the near end of the inside of the heating cavity (34), a temperature sensor is arranged in the gas bag (342), the sliding grooves (345) are respectively and symmetrically positioned at the upper inner wall and the lower inner wall of the far end of the inside of the heating cavity (34), the rotating rod (344) is driven by a driving motor II, the other end of the heating pipe is connected with the gas bag (342) through the laminating plate, the heating pipe (343) is in a horizontal and uniform distribution mode, a controller (4) is arranged in the second fixing plate (3), the controller (4) is electrically connected with the flow rate control valve (33), the storage cavity (31), the heating cavity (34), the telescopic rod (35), the first driving motor and the second driving motor, a base (10) is arranged below the support frame (1), the base (10) is provided with a power supply device, the power supply device is electrically connected with the driving motor, the telescopic rod (35), the heating cavity (34), the display screen (30) and the second driving motor, and the display screen (30) is electrically connected with the controller (4);

a gravity sensor is arranged on a spring (14) in the through groove (13) and used for controlling the weight of the infusion bottle (5) in real time, and an alarm (121) is arranged above the fixed auxiliary rod (12);

the pipe passing channel (32) is of a double-layer grid structure;

the middle lower end of the support frame (1) is provided with a telescopic supporting rod (2), the telescopic supporting rod (2) is sleeved outside the support frame (1), a connecting plate (21) is arranged at the joint of the telescopic supporting rod (2) and the support frame (1), the inner walls of the left end and the right end of the connecting plate (21) are provided with pulleys (22), used for fixing the moving direction of the supporting frame (1), a winder (23) is arranged at the lower end in the telescopic supporting rod (2), a fixed block (24) is fixed below the supporting frame (1), fixed block (24) with winder (23) link to each other through the fine rule, the support frame (1) about both ends respectively through spring (14) with connecting plate (21) link to each other, are equipped with through-hole (25) on support frame (1), are equipped with adjust knob (26) on connecting plate (21), support frame (1) and connecting plate (21) pass through adjust knob (26) with through-hole (25) fixed connection.

2. The heating device for the infusion liquid according to claim 1, wherein a non-slip mat is installed at the joint of the loop bar (19) and the infusion bottle (5).

3. The heating device for infusion liquids as claimed in claim 1, wherein said display screen (30) is provided with a temperature display, a flow rate display, an indicator light, and a rotation speed control key.