CN113144318A - Low-capacity self-exhaust blood temperature changer - Google Patents
Low-capacity self-exhaust blood temperature changer Download PDFInfo
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- CN113144318A CN113144318A CN202110379719.0A CN202110379719A CN113144318A CN 113144318 A CN113144318 A CN 113144318A CN 202110379719 A CN202110379719 A CN 202110379719A CN 113144318 A CN113144318 A CN 113144318A
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- pipe
- bubble discharge
- ring
- blood
- temperature
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/369—Temperature treatment
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3627—Degassing devices; Buffer reservoirs; Drip chambers; Blood filters
Abstract
The invention provides a low-capacity self-exhaust blood temperature changer, and relates to the technical field of medical instruments. The low-capacity self-exhaust blood temperature changer comprises a liquid inlet pipe, a bubble discharge pipe and a liquid outlet pipe which are sequentially connected, wherein a first temperature changing pipe is spirally wound on the inner wall of the liquid inlet pipe, the first temperature changing pipe is attached to the first temperature changing pipe one turn by one turn, a second temperature changing pipe is spirally wound on the inner wall of the liquid outlet pipe, the second temperature changing pipe is attached to the second temperature changing pipe one turn by one turn, the diameters of the liquid inlet pipe and the liquid outlet pipe are smaller than that of the bubble discharge pipe, two ends of the bubble discharge pipe are respectively provided with an oblique opening, the oblique opening on the left side is in butt joint with the liquid inlet pipe, the oblique opening on the right side is in butt joint with the liquid outlet pipe, the top of the bubble discharge pipe is provided with a gas discharge port, and the gas discharge port is provided with a filtering structure.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a low-capacity self-exhaust blood temperature changer.
Background
Blood is a red, opaque, viscous liquid that flows in human blood vessels and the heart. The blood is composed of plasma and blood cells, wherein one liter of plasma contains 900-910 g of water, 65-85 g of protein and 20 g of low molecular substances, the low molecular substances contain various electrolytes and organic compounds, and the blood cells comprise three types of cells, namely red blood cells, white blood cells and platelets. The average life span of red blood cells is 120 days, the life span of white blood cells is 9-13 days, and the life span of platelets is 8-9 days. In general, 40ml of blood cells per person per day are senesced and dead. At the same time, a corresponding number of cells are newly formed. The blood functions comprise two parts of blood cell function and blood plasma function, and have four functions of transportation, human body temperature regulation, defense, human body osmotic pressure regulation and acid-base balance. Blood contains various nutrients such as inorganic salts, oxygen, cellular metabolites, hormones, enzymes, antibodies, etc., and has effects of nourishing tissues, regulating organ activities, and protecting against harmful substances.
The perfusion apparatus for myocardial protecting liquid perfuses heart with myocardial protecting liquid to stop beating and reduce myocardial temperature and oxygen consumption to obtain excellent myocardial protecting effect and thus improve the life quality of patient. In the heart machine protection liquid perfusion technology, blood is generally required to be subjected to temperature change, but the temperature change method in the prior art cannot remove fine bubbles in the blood, and the bubbles are easy to be transported to a human body to cause danger.
When an infant is perfused, because the blood volume of the infant is small, the priming volume of the conventional temperature changer is large, so that the priming volume is increased, and blood dilution and blood waste are caused. Therefore, the prior art is in need of improvement.
Disclosure of Invention
The invention aims to provide a low-capacity self-exhaust blood temperature changer which can provide a corresponding solution for solving the problems in the prior art and has the beneficial effects of eliminating bubbles, having a good temperature changing effect and saving blood.
The embodiment of the invention is realized by the following steps:
the embodiment of the application provides a low capacity is from exhausting blood alternating temperature ware, including the feed liquor pipe that connects gradually, bubble discharge pipe and drain pipe, the inner wall spiral of feed liquor pipe is coiled and is provided with first alternating temperature pipe, first alternating temperature pipe is pasted between one turn and is leaned on the setting, the drain pipe inner wall spiral is coiled and is provided with second alternating temperature pipe, the setting is leaned on between one turn and one turn of second alternating temperature pipe, the diameter of feed liquor pipe and drain pipe all is less than the diameter of bubble discharge pipe, the both ends of bubble discharge pipe all are provided with the bevel connection, left bevel connection and feed liquor pipe butt joint, the bevel connection on right side and drain pipe butt joint, bubble discharge pipe top is provided with the gas outlet, the gas outlet is provided with filtration.
In some embodiments of the present invention, a vibrating structure is further included, the vibrating structure being connected to the bubble discharge tube.
In some embodiments of the present invention, the vibration structure includes a ring, a vibration motor and a first spring, the vibration motor is mounted on the ring, one end of the first springs is connected to an inner wall of the ring, and the other end of the first springs is connected to an outer wall of the bubble discharge pipe.
In some embodiments of the present invention, the vibration structure further includes a screw rod installed on the circular ring, the circular ring is provided with a screw hole adapted to the screw rod, and an end of the screw rod is rotatably connected to the first spring.
In some embodiments of the invention, the end of the screw rod away from the first spring is provided with a screwing handle.
In some embodiments of the present invention, a collar is disposed at an end of the first spring away from the bubble discharge pipe, and a stop piece is disposed at an end of the screw rod penetrating through the collar.
In some embodiments of the present invention, a connecting member is disposed at the bottom of the circular ring, a base is disposed at the bottom of the connecting member, and a suction cup is disposed at the bottom of the base.
In some embodiments of the present invention, the filter structure includes a filter net and a pressing cap, the filter net is installed at the gas outlet, the pressing cap is in threaded connection with the gas outlet, the pressing cap is provided with a pressing sheet for pressing the filter net, and the pressing cap is provided with a vent hole for exhausting.
In some embodiments of the present invention, the filter screen is provided with a circle of fixing edges, and a sealing ring is arranged below the fixing edges.
In some embodiments of the invention, the outlet tube is provided with a sensor for detecting the temperature of the blood.
Compared with the prior art, the embodiment of the invention has at least the following advantages or beneficial effects:
the embodiment of the invention provides a low-capacity self-exhaust blood temperature changer which mainly comprises a liquid inlet pipe, a bubble discharge pipe and a liquid outlet pipe, wherein the right end of the liquid inlet pipe is connected with the left end of the bubble discharge pipe; the first temperature changing pipe is spirally wound on the inner wall of the liquid inlet pipe, one circle of the first temperature changing pipe is close to one circle of the first temperature changing pipe, the contact area of the first temperature changing pipe and blood is larger, and the heat exchange effect is better; the second temperature changing pipe is spirally wound on the inner wall of the liquid outlet pipe, one circle of the second temperature changing pipe is close to one circle of the second temperature changing pipe, the contact area of the second temperature changing pipe and blood is larger, and the heat exchange effect is better; the liquid inlet pipe and the liquid outlet pipe are not required to be arranged longer, the blood temperature can be changed effectively, the precharge amount of the blood is reduced, and the blood waste is avoided. The diameters of the liquid inlet pipe and the liquid outlet pipe are smaller than the diameter of the bubble discharge pipe, the diameter of the bubble discharge pipe is larger, blood can enter a larger cavity after entering the bubble discharge pipe, the blood stays for a longer time, and automatic bubbles in the middle of the blood rise to float to the upper half cavity of the bubble discharge pipe. The both ends of bubble discharge pipe all are provided with the bevel connection, and left bevel connection is "flaring", and the diameter is crescent from upper reaches to low reaches, docks with the feed liquor pipe, makes things convenient for blood to smoothly flow into bubble discharge pipe. The bevel connection on the right side is a 'necking', the diameter of the bevel connection is gradually reduced from the upstream to the downstream, and the bevel connection is in butt joint with the liquid outlet pipe, so that blood can smoothly flow out of the bubble discharge pipe. The top of the bubble discharge pipe is provided with a gas discharge port, gas of bubbles is discharged from the gas discharge port, the gas discharge port is provided with a filtering structure, the filtering structure does not influence the gas discharge, and meanwhile, external dust, bacteria and the like can be prevented from entering the bubble discharge pipe, so that the use is safer. When the blood heating device is used, if the blood needs to be heated, warm water is supplemented into the first temperature changing pipe and the second temperature changing pipe, and the blood enters the liquid inlet pipe to exchange heat with the first temperature changing pipe; after the temperature is raised preliminarily, the blood enters a bubble discharge pipe, bubbles of the blood automatically rise and are discharged from a gas discharge port; then the blood enters the liquid outlet pipe to exchange heat with the second temperature changing pipe, so that secondary temperature rise is realized, and the temperature rise effect is good. Therefore, the low-volume self-exhaust blood temperature changer provided by the embodiment of the invention has the beneficial effects of eliminating bubbles, having a good temperature changing effect, saving blood and being safe to use.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a front side of a low volume self-venting blood temperature changer according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a first temperature change tube according to an embodiment of the present invention;
FIG. 3 is a schematic side view of a low volume self-venting blood temperature changer, according to an embodiment of the present invention;
FIG. 4 is an enlarged schematic view at A in FIG. 3;
FIG. 5 is a schematic view of a filter structure provided by an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a pressing cap according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a filter screen according to an embodiment of the present invention.
Icon: 1-liquid inlet pipe, 101-first temperature changing pipe, 2-bubble discharge pipe, 201-bevel opening, 3-liquid outlet pipe, 301-second temperature changing pipe, 4-gas outlet, 5-filtering structure, 501-filter screen, 5011-fixing edge, 5012-sealing ring, 502-pressing cap, 5021-pressing piece, 5022-through hole, 6-vibrating structure, 601-circular ring, 6011-screw hole, 6012-connecting piece, 602-vibrating motor, 603-first spring, 6031-lantern ring, 604-screw rod, 6041-twist handle, 6042-blocking piece, 605-base, 6051-sucker and 7-sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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 given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention usually place when using, the present invention is only for convenience of description and simplification of the description, but does not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Furthermore, the term "vertical" and the like, if present, does not require that the components be perfectly vertical, but may be slightly inclined.
In the description of the embodiments of the present invention, "a plurality" represents at least 2.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Examples
Referring to fig. 1 to 7, a low-volume self-venting blood temperature changer according to an embodiment of the present invention is shown, and its specific structure is as follows.
The embodiment of the application provides a low capacity is from exhaust blood alternating temperature ware, including feed liquor pipe 1 that connects gradually, bubble discharge pipe 2 and drain pipe 3, the inner wall spiral of feed liquor pipe 1 is coiled and is provided with first alternating temperature pipe 101, first alternating temperature pipe 101 is pasted between one turn and is leaned on the setting, drain pipe 3 inner wall spiral is coiled and is provided with second alternating temperature pipe 301, second alternating temperature pipe 301 is pasted between one turn and is leaned on the setting, the diameter of feed liquor pipe 1 and drain pipe 3 all is less than the diameter of bubble discharge pipe 2, the both ends of bubble discharge pipe 2 all are provided with bevel 201, left bevel 201 docks with feed liquor pipe 1, bevel 201 and the drain pipe 3 butt joint on right side, bubble discharge pipe 2 top is provided with gas outlet 4, gas outlet 4 is provided with filtration 5. As shown in the combined drawing 1, the liquid inlet pipe 1, the bubble discharge pipe 2 and the liquid outlet pipe 3 are all round pipes, the right end of the liquid inlet pipe 1 is connected with the left end of the bubble discharge pipe 2, the right end of the bubble discharge pipe 2 is connected with the left end of the liquid outlet pipe 3, blood flows in from the left end of the liquid inlet pipe 1, flows to the bubble discharge pipe 2 from the right end of the liquid inlet pipe 1, and finally flows to the liquid outlet pipe 3 from the right end of the bubble discharge pipe 2.
As shown in fig. 2 (the interval between each circle is relatively long), the first temperature changing pipe 101 is spiral, as shown in fig. 1, the first temperature changing pipe 101 is spirally wound on the inner wall of the liquid inlet pipe 1, and the first temperature changing pipe 101 is tightly attached one circle by one circle, so that the contact area with blood is larger, and the heat exchange effect is better; similarly, the second temperature changing pipe 301 is also wound on the inner wall of the liquid outlet pipe 3 in a spiral manner, and the second temperature changing pipe 301 is closed one by one, so that the contact area with blood is larger, and the heat exchange effect is better; the liquid inlet pipe 1 and the liquid outlet pipe 3 can effectively change the temperature of the blood without arranging a long section, reduce the precharge amount of the blood and avoid the waste of the blood.
As shown in figure 1, the diameters of the liquid inlet pipe 1 and the liquid outlet pipe 3 are both smaller than the diameter of the bubble discharge pipe 2, the diameter of the bubble discharge pipe 2 is larger, blood enters a larger cavity after entering the bubble discharge pipe 2, the blood stays for a longer time, and automatic bubbles in the middle of the blood rise and float to the upper half cavity of the bubble discharge pipe 2. Both ends of the bubble discharge pipe 2 are provided with inclined openings 201, the inclined opening 201 on the left side is a flaring, the diameter of the inclined opening 201 on the left side is gradually increased from the upstream to the downstream, and the inclined opening is in butt joint with the liquid inlet pipe 1, so that blood can smoothly flow into the bubble discharge pipe 2. The bevel opening 201 on the right side is a 'necking', the diameter of the bevel opening gradually decreases from the upstream to the downstream, and the bevel opening is in butt joint with the liquid outlet pipe 3, so that blood can smoothly flow out of the bubble discharge pipe 2. The top of the bubble discharge pipe 2 is provided with a gas discharge port 4, gas of bubbles is discharged from the gas discharge port 4, the gas discharge port 4 is provided with a filter structure 5, the filter structure 5 does not influence the gas discharge, and meanwhile, external dust, bacteria and the like can be prevented from entering the bubble discharge pipe 2, so that the use is safer.
In order to discharge bubbles, a bubble trap may be installed in the bubble discharge pipe 2, and the trapped bubble gas may be discharged from the gas discharge port 4, which provides a better effect.
When the blood heating device is used, if the blood needs to be heated, warm water is supplemented into the first temperature changing pipe 101 and the second temperature changing pipe 301, and the blood enters the liquid inlet pipe 1 to exchange heat with the first temperature changing pipe 101; after the temperature is raised preliminarily, the blood enters the bubble discharge pipe 2, bubbles of the blood automatically rise and are discharged from the gas discharge port 4; then the blood enters the liquid outlet pipe 3 to exchange heat with the second temperature changing pipe 301, so that the temperature is raised again, and the temperature raising effect is good. Therefore, the low-volume self-exhaust blood temperature changer provided by the embodiment of the invention has the beneficial effects of eliminating bubbles, having a good temperature changing effect, saving blood and being safe to use.
In some embodiments of the present invention, a vibration structure 6 is further included, and the vibration structure 6 is connected to the bubble discharge tube 2. The vibration structure 6 includes a ring 601, a vibration motor 602 and a first spring 603, the vibration motor 602 is mounted on the ring 601, one end of the first springs 603 is connected to the inner wall of the ring 601, and the other end of the first springs 603 is connected to the outer wall of the bubble discharge tube 2. As shown in fig. 1 and 3, the vibration structure 6 mainly comprises three parts, namely a ring 601, a vibration motor 602 and a first spring 603, the ring 601 is sleeved outside the bubble discharge pipe 2, the outside of the bubble discharge pipe 2 is limited at the center of the ring 601 by the first spring 603, the three vibration motors 602 are uniformly and fixedly installed on the inner wall of the ring 601, and two ends of the first spring 603 are respectively connected with the ring 601 and the bubble discharge pipe 2. During the use, put ring 601, vibrating motor 602 drives ring 601 after the work and takes place the vibration, and the vibration is transmitted for bubble discharge pipe 2 after weakening through first spring 603, drives bubble discharge pipe 2 and takes place slight vibrations, and bubble discharge pipe 2 takes place slight vibrations and is favorable to the bubble come-up, is convenient for its bubble to be discharged. The first spring 603 effectively attenuates the energy of the vibration, avoiding the bubble discharge tube 2 from shaking too much with an amplitude to generate more bubbles.
It should be noted that the vibration motor 602 may be formed by a small motor and an eccentric plate, and the eccentric plate is mounted on the rotating shaft of the small motor, so that the structure is simple and the design is reasonable.
In some embodiments of the present invention, the vibrating structure 6 further includes a screw 604 mounted on the ring 601, the ring 601 is provided with a screw hole 6011 adapted to the screw 604, and an end of the screw 604 is rotatably connected to the first spring 603. As shown in fig. 1 and fig. 3, the screw 604 penetrates through the screw hole 6011 to achieve threaded connection between the screw 604 and the ring 601, the end of the screw 604 is rotatably connected to the first spring 603, the length of the first spring 603 can be adjusted after the screw 604 is rotated, and after the screw 604 is unscrewed, the first spring 603 is stretched to be in a "tight" state, so that the ability of weakening vibration is weak; after the screw 604 is screwed in, the first spring 603 is shortened to be in a 'loose' state, and the vibration weakening capability is strong. The vibration condition of the bubble discharge pipe 2 can be adjusted by adjusting the screw 604 according to actual conditions, and the using effect is good.
In some embodiments of the present invention, the end of the screw 604 remote from the first spring 603 is provided with a twist grip 6041. In order to rotate the screw 604 conveniently, a screwing handle 6041 is fixedly arranged at the end part of the screw 604, the screwing handle 6041 is formed by fixing two sheet-shaped objects on the left side and the right side of the screw 604, force application is convenient, and the screw 604 is easier to rotate.
In some embodiments of the present invention, the end of the first spring 603 away from the bubble discharge tube 2 is provided with a collar 6031, and the end of the screw 604 penetrating through the collar 6031 is provided with a baffle 6042. As shown in fig. 4, in order to realize the rotational connection between the screw 604 and the first spring 603, a stopper 6042 is disposed at an end of the screw 604, a sleeve 6031 is connected to an end of the first spring 603, and the screw 604 penetrates through the sleeve 6031 and then is fixedly connected to the stopper 6042, so as to prevent the screw 604 from exiting the sleeve 6031. The diameter of the screw 604 is smaller than the inner diameter of the lantern ring 6031, so that the free rotation of the screw 604 is not influenced, and the using effect is better.
In some embodiments of the present invention, the bottom of the ring 601 is provided with a connecting member 6012, the bottom of the connecting member 6012 is provided with a base 605, and the bottom of the base 605 is provided with a suction cup 6051. Referring to fig. 1 and 3, in order to facilitate stable placement of the ring 601, a base 605 is disposed at the bottom of the ring 601, and the ring 601 and the base 605 are connected by a connecting member 6012, the connecting member 6012 may be a thin rod or a second spring, so as to provide a better supporting function, and the vibrating motor 602 is not affected to drive the ring 601 to vibrate. The suction cup 6051 is installed at the bottom of the base 605 to play a better role in fixing and prevent the base 605 from moving.
In some embodiments of the present invention, the filter structure 5 includes a filter screen 501 and a pressing cap 502, the filter screen 501 is mounted on the gas outlet 4, the pressing cap 502 is screwed to the gas outlet 4, the pressing cap 502 is provided with a pressing piece 5021 for pressing the filter screen 501, and the pressing cap 502 is provided with a through hole 5022 for exhausting gas. As shown in fig. 5, 6 and 7, the top of the gas outlet 4 is enlarged by one circle, the filter screen 501 is installed at the top of the gas outlet 4, the pressing cap 502 is provided with an internal thread, the outer wall of the gas outlet 4 is provided with an external thread, the internal thread and the external thread form a threaded connection, the pressing cap 502 is vertically fixed with the pressing sheet 5021 downwards, when the pressing cap 502 is installed at the gas outlet 4, the pressing sheet 5021 presses the filter screen 501 below, the filter screen 501 is prevented from shaking, and the filtering effect is good. The pressing cap 502 can be taken down, so that the filter screen 501 is convenient to replace. Meanwhile, the pressure cap 502 is provided with a through hole 5022, the through hole 5022 is aligned with the filter screen 501 below, and the gas discharge port 4 is not affected to discharge gas.
In some embodiments of the present invention, the filter screen 501 is provided with a circle of fixing edges 5011, and a sealing ring 5012 is disposed below the fixing edges 5011. Referring to fig. 5 and 7, the filter mesh 501 is provided with a ring of fixing edges 5011 to facilitate pressing of the tablets 5021. The sealing ring 5012 is arranged below the fixing edge 5011, so that a good sealing effect is achieved, and dust or bacteria are prevented from entering from gaps.
In some embodiments of the present invention, as shown in fig. 1, the outlet tube 3 is provided with a sensor 7 for detecting a temperature of blood, and a probe of the sensor 7 extends into the outlet tube 3, so as to conveniently detect whether the temperature of the blood after temperature change meets a requirement.
In summary, the embodiment of the present invention provides a low-capacity self-exhaust blood temperature changer, which includes a liquid inlet pipe 1, a bubble discharge pipe 2 and a liquid outlet pipe 3 connected in sequence, wherein the inner wall of the liquid inlet pipe 1 is spirally wound with a first temperature changing pipe 101, the first temperature changing pipe 101 is attached to the liquid outlet pipe in a turn-by-turn manner, the inner wall of the liquid outlet pipe 3 is spirally wound with a second temperature changing pipe 301, the second temperature changing pipe 301 is attached to the liquid outlet pipe in a turn-by-turn manner, the diameters of the liquid inlet pipe 1 and the liquid outlet pipe 3 are both smaller than the diameter of the bubble discharge pipe 2, two ends of the bubble discharge pipe 2 are both provided with beveled mouths 201, the beveled mouth 201 on the left side is abutted to the liquid inlet pipe 1, the beveled mouth 201 on the right side is abutted to the liquid outlet pipe 3, the top of the bubble discharge pipe 2 is provided with a gas discharge port 4, the gas discharge port 4 is provided with a filter structure 5, which has effects of changing temperature, removing bubbles and the like. For the complete description of the present invention, a vibration structure 6 is further included, and the vibration structure 6 is connected to the bubble discharge tube 2. The vibration structure 6 comprises a circular ring 601, a vibration motor 602 and a first spring 603, wherein the vibration motor 602 is mounted on the circular ring 601, one end of each of the first springs 603 is connected with the inner wall of the circular ring 601, and the other end of each of the first springs 603 is connected with the outer wall of the bubble discharge pipe 2, so that bubbles can be discharged conveniently. The vibrating structure 6 further comprises a screw 604 mounted on the ring 601, the ring 601 is provided with a screw hole 6011 matched with the screw 604, the end of the screw 604 is rotatably connected with the first spring 603, one end, far away from the first spring 603, of the screw 604 is provided with a screwing handle 6041, and the using effect is good. A sleeve ring 6031 is arranged at one end of the first spring 603 far away from the bubble discharge pipe 2, and a baffle 6042 is arranged at the end part of the screw 604 penetrating through the sleeve ring 6031, so that the use effect is better. The bottom of ring 601 is provided with connecting piece 6012, and the bottom of connecting piece 6012 is provided with base 605, and the bottom of base 605 is provided with sucking disc 6051, plays better fixed action, avoids base 605 to take place to remove. The filtering structure 5 comprises a filtering net 501 and a pressing cap 502, the filtering net 501 is installed on the gas outlet 4, the pressing cap 502 is in threaded connection with the gas outlet 4, the pressing cap 502 is provided with a pressing piece 5021 for pressing the filtering net 501, the pressing cap 502 is provided with an exhaust through hole 5022, the filtering effect is good, and the filtering net 501 can be replaced. The filter screen 501 is provided with a circle of fixed edges 5011, and a sealing ring 5012 is arranged below the fixed edges 5011 to prevent dust or bacteria from entering the gap. The liquid outlet pipe 3 is provided with a sensor 7 for detecting the blood temperature, so that whether the temperature of the blood after temperature change meets the requirement or not is conveniently detected. Therefore, the low-volume self-exhaust blood temperature changer provided by the embodiment of the invention has the beneficial effects of eliminating bubbles, having a good temperature changing effect and saving blood.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a low capacity is from exhaust blood alternating temperature ware, its characterized in that, is including feed liquor pipe, bubble discharge pipe and the drain pipe that connects gradually, the inner wall spiral of feed liquor pipe is coiled and is provided with first alternating temperature pipe, first alternating temperature pipe one turn paste to lean on the setting, the spiral of drain pipe inner wall is coiled and is provided with second alternating temperature pipe, second alternating temperature pipe one turn paste to lean on the setting, the diameter of feed liquor pipe with the drain pipe all is less than the diameter of bubble discharge pipe, the both ends of bubble discharge pipe all are provided with the bevel connection, the left side the bevel connection with feed liquor pipe, the right side the bevel connection with the drain pipe butt connection, bubble discharge pipe top is provided with the gas outlet, the gas outlet is provided with filtration.
2. The low volume self-venting blood temperature changer of claim 1, further comprising a vibrating structure coupled to the bubble discharge tube.
3. The low volume self-venting blood temperature changer according to claim 2, wherein said vibrating structure comprises a ring, a vibrating motor and first springs, said vibrating motor being mounted to said ring, one end of said first springs being connected to an inner wall of said ring, and the other end of said first springs being connected to an outer wall of said bubble exhausting pipe.
4. The low volume self-venting blood temperature changer of claim 3, wherein said vibrating structure further comprises a threaded rod mounted to said ring, said ring having a threaded hole adapted to said threaded rod, an end of said threaded rod being rotatably connected to said first spring.
5. The low volume self-venting blood temperature changer of claim 4, wherein an end of said screw remote from said first spring is provided with a twist grip.
6. The low volume self-venting blood temperature changer of claim 4, wherein a collar is disposed at an end of the first spring distal to the bubble discharge tube, and a stop is disposed at an end of the screw passing through the collar.
7. The low volume self-venting blood temperature changer of claim 4, wherein the bottom of the ring is provided with a connector, the bottom of the connector is provided with a base, and the bottom of the base is provided with a suction cup.
8. The low volume self-venting blood temperature changer of claim 1, wherein said filter structure comprises a filter screen and a pressure cap, said filter screen is mounted to said gas outlet port, said pressure cap is threadedly connected to said gas outlet port, said pressure cap is provided with a pressing sheet for pressing said filter screen, said pressure cap is provided with vent holes.
9. The low volume self-venting blood temperature changer of claim 8, wherein said filter screen has a ring of stationary edges, and a sealing ring is disposed below said stationary edges.
10. The low volume self-venting blood temperature changer of any one of claims 1-9, wherein the outlet tube is provided with a sensor that detects the temperature of the blood.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110379719.0A CN113144318B (en) | 2021-04-08 | 2021-04-08 | Low-capacity self-exhaust blood temperature changer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110379719.0A CN113144318B (en) | 2021-04-08 | 2021-04-08 | Low-capacity self-exhaust blood temperature changer |
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| CN113144318A true CN113144318A (en) | 2021-07-23 |
| CN113144318B CN113144318B (en) | 2023-08-04 |
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| CN202110379719.0A Active CN113144318B (en) | 2021-04-08 | 2021-04-08 | Low-capacity self-exhaust blood temperature changer |
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| CN (1) | CN113144318B (en) |
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| CN215023520U (en) * | 2021-04-08 | 2021-12-07 | 陕西省人民医院 | Low-capacity self-exhaust blood temperature changer |
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| US4698207A (en) * | 1986-07-14 | 1987-10-06 | Baxter Travenol Laboratories, Inc. | Integrated membrane oxygenator, heat exchanger and reservoir |
| CN201510567U (en) * | 2009-09-29 | 2010-06-23 | 山东威高新生医疗器械有限公司 | Perfusion device of cardiac arrest liquid |
| US20140066849A1 (en) * | 2011-01-11 | 2014-03-06 | Wooyoung Meditech Co., Ltd. | Warmer for medical treatment |
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| CN209996880U (en) * | 2019-04-03 | 2020-01-31 | 孙元竹 | blood purification device with multi-layer filtering effect |
| CN111375100A (en) * | 2020-04-03 | 2020-07-07 | 四川大学华西医院 | Low-capacity self-exhaust blood temperature changer |
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| CN113144318B (en) | 2023-08-04 |
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