CN104771800B - A kind of field first aid blood rewarming device - Google Patents
A kind of field first aid blood rewarming device Download PDFInfo
- Publication number
- CN104771800B CN104771800B CN201510210128.5A CN201510210128A CN104771800B CN 104771800 B CN104771800 B CN 104771800B CN 201510210128 A CN201510210128 A CN 201510210128A CN 104771800 B CN104771800 B CN 104771800B
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- CN
- China
- Prior art keywords
- drainage tube
- temperature
- thermode
- pipe
- blood
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- A61M1/3607—Regulation parameters
- A61M1/3609—Physical characteristics of the blood, e.g. haematocrit, urea
- A61M1/3612—Physical characteristics of the blood, e.g. haematocrit, urea after treatment
-
- 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
-
- 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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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Cardiology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- External Artificial Organs (AREA)
Abstract
The present invention relates to a kind of lifesaving appliance, and in particular to a kind of blood rewarming device, including be in turn connected to form circulation are used to draw the drainage tube of blood, thermode, peristaltic pump and for by the feedback pipe of blood backflow；The drainage tube front end is provided with first entrance, and rear end is provided with first outlet；The feedback pipe front end is provided with second outlet, and rear end is provided with second entrance；The drainage tube first outlet is connected with thermode, peristaltic pump and second entrance successively by pipeline.Opening when in use is lacked, and wound is small.It is easy to connect and the present apparatus is simple in construction, suitable for being used when field or disaster first aid.And the present apparatus need to only be not required to inject too many liquid to human body, reduce the review that human body is born, improve treatment efficiency before blood circulation is formed to being full of physiological saline in device.
Description
Technical field
The present invention relates to a kind of lifesaving appliance, and in particular to a kind of field first aid blood rewarming device.
Background technology
28.9 DEG C of ocean temperature highest, minimum -1.9 DEG C, average temperature falls into the personnel of seawater all typically below 20 DEG C
The threat of lowtemperature sea water immersion is can suffer from, because the thermal conductivity factor of seawater is 23 times of air, the heat that body is lost in water
Measure big more than in air, therefore hypothermia easily occur after sea warfare is overboard, when organism temperature is less than 35 DEG C, be referred to as
Seawater immersing hypothermic, when organism temperature is less than 28 DEG C, referred to as severe Seawater immersing hypothermic.Study table
Bright, maritime peril personnel victim about 60% is due to caused by the immersion of Mare Frigoris water caused by hypothermia.
Existing rewarming technology includes surface rewarming and core rewarming, but surface rewarming technology is not suitable for severe body
The treatment of the too low disease of temperature.Existing core rewarming technology is to give treatment to the effective means of severe temperature over-low disease, but still has many
Weak point.Cardiopulmonary bypass extracorporal circulatory system Thawing Methods equipment is huge, complex operation, and wound is big and requires high to aseptic condition,
Be unfavorable for in-situ curing expansion, after may delay therapeutic time when sending distance long.During Cpb needs the liver of whole body simultaneously
Elementization also aggravates sick and wounded's condition of the injury of merging traumatism and bleeding.Intravenous fluid rewarming needs to be transfused a large amount of warm liquids, causes
Sick and wounded's water retention even oedema.Warm water lavage is difficult to ensure that rewarming effect in thoracic cavity and wound is big, easily causes infection etc.
Complication.
The content of the invention
It is an object of the present invention to the defects of overcoming prior art to exist and deficiency, there is provided a kind of small volume, carrying side
Just, wound is small, and a kind of field first aid blood rewarming device easy to use.
To reach above-mentioned purpose, the present invention adopts the following technical scheme that：Including be in turn connected to form circulation be used for draw
The drainage tube of blood, thermode, peristaltic pump and for by the feedback pipe of blood backflow；The drainage tube front end is provided with first and entered
Mouthful, rear end is provided with first outlet；The feedback pipe front end is provided with second outlet, and rear end is provided with second entrance；It is described to draw
Flow tube first outlet is connected with thermode, peristaltic pump and second entrance successively by pipeline.
Further, the drainage tube is identical with length of tube is fed back, and the caliber of drainage tube is more than the caliber of return duct.
Further, the feedback pipe is arranged in drainage tube cavity, and is fed back pipe and extended anteriorly out drainage tube.
Further, the outer wall for feeding back pipe and the drainage tangent setting of inside pipe wall, or feed back pipe and coaxially set with drainage tube
Put.
Further, the drainage tube caliber is 17F-24F, and the caliber for feeding back pipe is 8-15F.
Further, the first entrance includes some apertures, and each aperture is circumferentially evenly distributed on drainage tube along pipe is fed back
Front end.
Further, the thermode includes offering drainage tube interface and feeds back the housing of interface tube, in the housing
Temperature-changing chamber is provided with, the heater strip for heating temperature-changing chamber is provided between housing and temperature-changing chamber, the heater strip is connected with use
In the temperature control module of control heating wire works.
Further, on the pipeline between the bipolar intubation first outlet and thermode, second entrance and peristaltic pump
It is provided with pressure alarm.
Further, it is also provided at temperature sensor on the pipeline between first outlet and thermode.
Further, the thermode and peristaltic pump are connected with portable cell storehouse.
Compared with prior art, the present invention has technique effect beneficial below：By setting drainage tube, thermode, compacted
Dynamic pump and feedback pipe forms circulation loop, draws the relatively low blood of body temperature using drainage tube, is added by thermode
Heat, peristaltic pump is recycled to be sent into the blood after heating in vivo, so that temperature recovery by feeding back pipe.The present apparatus is when in use
Wound is small, and closed structure is low to environment sterility requirements, and can reach optimal core rewarming effect.And present apparatus structure letter
It is single, it is easy to connect, suitable for being used when field or disaster first aid.And the present apparatus only need to be to filling before blood circulation is formed in device
Full physiological saline, it is not required to inject too many liquid to human body, reduces the load that human body is born, improves treatment efficiency.
Further, the pipe of putting of two-chamber is inserted through femoral venous puncture by setting, and the caliber of drainage tube is more than return duct
Caliber, for the less sick and wounded of build, can use and double side femoral vein is put into pipe, select the thinner drainage tube of two single-chambers
It is intubated respectively in the mode of both sides femoral venous catheter with pipe is fed back.
Further, feedback pipe is arranged in drainage tube cavity by setting, and feeds back pipe and extend anteriorly out drainage tube,
Operating Complexity is effectively reduced when in use, reduces wound.
Further, by setting feedback pipe outer wall and drainage tube tangent, reduce low temperature blood in drainage tube and managed with feeding back
Contact area, reduce feed back pipe in blood temperature loss；Or be coaxially disposed pipe is fed back with drainage tube, improve body temperature blood
The fluency of flowing in drainage tube.
Further, by setting temperature control module in thermode, control heater strip is heated at a suitable temperature,
Ensure thermode normal work.
Further, by setting pressure alarm, pressure in pipeline is monitored in real time, improves security.
Further, by setting temperature sensor between bipolar intubation first outlet and thermode, detect by draining
Pipe draws the temperature of blood, so as to be monitored to the temperature of blood in device.
Further, by setting thermode to be connected with peristaltic pump with portable battery storehouse, the present apparatus is made to be easy to carry, side
Just in the wild or other are in emergency circumstances used.Battery compartment charging inlet can connect civil power or vehicle-mounted airborne power interface is filled
Electricity.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the bipolar cannula structures schematic diagram of the present invention；
Fig. 3 is the bipolar intubated and drained pipe of the present invention with feeding back pipe position relationship schematic diagram；
Fig. 4 is thermode structural representation of the present invention；
Fig. 5 is monopole cannula structures operating diagram of the present invention；
Fig. 6 is the bipolar cannula structures operating diagram of the present invention；
Wherein：1 is thermode, and 2 be peristaltic pump, and 3 be check valve, and 4 be second entrance, and 5 be drainage tube, and 6 manage to feed back, 7
It is second outlet for first entrance, 8,9 be first outlet, and 10 be housing, and 11 be heater strip, and 12 be temperature sensor.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Referring to Fig. 1, the present invention includes being in turn connected to form the drainage tube 5 of circulation, thermode 1, peristaltic pump 2 and feeds back pipe 6.
It is cavity to feed back inside pipe 6 and drainage tube 5, and drainage tube 5 is used for outside internal blood lead body, and return duct is used for alternating temperature
Device 1 heat after blood recovery to internal.Pipe 6 and drainage tube 5 are fed back independently of each other in monopole intubation form, length is identical, and
The caliber of drainage tube 5 is more than the caliber of return duct 6.It is arranged in the inner chamber of drainage tube 5, and returns referring to Fig. 2, or by pipe 6 is fed back
Defeated pipe 6 extends anteriorly out drainage tube 5, in bipolar intubation form.Feed back pipe 6 to be coaxially disposed with drainage tube 5, improve body temperature blood and exist
The fluency of flowing in drainage tube；Referring to Fig. 3, or outer wall and the tangent setting of the inwall of drainage tube 5 of pipe 6 are fed back, reduction is drawn
Contact area of the low temperature blood with feeding back pipe, reduces the temperature loss for feeding back blood in pipe in flow tube.The front end of drainage tube 5 is provided with
First entrance 7, rear end are provided with first outlet 9；First entrance 7 includes some apertures, and along feeding back, pipe 6 is circumferential uniformly to be divided each aperture
Cloth is in the front end of drainage tube 5.Feed back the front end of pipe 6 and be provided with second outlet 8, rear end is provided with second entrance 4；Drainage tube 5 first goes out
Mouth 9 is connected with thermode 1, peristaltic pump 2 and second entrance 4 successively by pipeline, forms circulation loop.In first outlet 9 with becoming
Pressure alarm 3 is provided with pipeline between warm device 1, when negative pressure is less than -40mmHg alarms；Second entrance 4 and peristaltic pump 2
Between pipeline on be provided with pressure alarm 3, when malleation value is more than 300mmHg alarms；First outlet 9 and thermode 1 it
Between pipeline on be also provided at temperature sensor 12.The caliber of drainage tube 5 is 17F-24F, and the caliber for feeding back pipe 6 is 8F-15F.Become
Warm device 1 and peristaltic pump 2 are connected with portable cell storehouse.
Referring to Fig. 4, thermode 1 includes offering drainage tube interface and feeds back the housing 10 of interface tube, in the housing 10
Temperature-changing chamber is provided with, the heater strip 11 for heating temperature-changing chamber is provided between housing 10 and temperature-changing chamber, the heater strip 11 connects
It is connected to the temperature control module for controlling heater strip 11 to work.Wherein：Drainage tube interface is quiet through stock by the connection of test tube of hepari pipeline
The drainage tube of arteries and veins intubation；It is the feedback pipe that the blood after alternating temperature is connected to transfemoral catheterization of femoral vein through feeding back pipe to feed back interface tube；
Blood is full of in temperature-changing chamber；Heater strip by connect battery or external power supply heat it is cold-blooded in temperature-changing chamber.Temperature control module：By passing
Sensor and controller composition, for setting the temperature in temperature-changing chamber and controlling heating wire works.When entering, temperature-changing chamber blood heat is low
When design temperature, sensor shows actual temperature and controls heater strip to start working, when temperature-changing chamber blood heat reaches setting
During temperature, sensor shows actual temperature and stops heating wire works.It is again started up heating when temperature-changing chamber blood temperature declines again
Silk heats up to blood.Peristaltic pump and heater strip and temperature control temperature measurement module are powered by portable cell storehouse.
Intubation procedure：Patient lies supine position, lower limb slight abduction, outward turning, exposure groin, after routine disinfection drape, in abdomen
Femoral pulse is touched at inguinal ligament midpoint slightly below, and point of puncture is being determined at 0.5cm on the inside of beating point.Puncture needle is in skin
30-45 degree, needle point direction point to navel, puncture needle inserting needle in pumpback, have to fall through and feel and have kermesinus blood to extract prompting out
Femoral vein, it is a little that backshank is lowerd into inserting needle again.Referring to Fig. 5, seal wire is put into from puncture needle, exits puncture needle, sharp knife or skin
Expander expands skin, and intubation is sent into femoral vein along seal wire, adjusts bipolar intubation placed-depth about draining hole and enters 15-
20cm, complete catheterization procedure.As the smaller dual-lumen cannula of sick and wounded's build is difficult to enter, the thinner monopole drainage tube of insertion may be selected
Intubation, catheter depth 15-22cm.And femoral venous puncture intubation is carried out again in opposite side thigh root, insert monopole and feed back pipe
Intubation, catheter depth 30-40cm.Referring to Fig. 6, for the less sick and wounded of build, separate, length identical can be used to draw
Flow tube and feedback are managed, and drainage tube and feedback pipe are intubated in the mode of both sides femoral venous catheter respectively.
In use, sterile rewarming apparatus set bag is taken out from packing, temperature-changing chamber, pipeline are pre-filled with physiological saline
It is interior and air is completely exhausted out and adjust the fluid temperature of temperature-changing chamber to 34 degrees Celsius it is stand-by.Femoral venous puncture is carried out, is inserted double
Pole is intubated, and bipolar intubation placed-depth is as it was previously stated, the drainage port of intubation is connected by the drainage port of flexible pipe and temperature-changing chamber
Connect, connect to form loop by flexible pipe after the reinfusion end and peristaltic pump of bipolar intubation, pay attention to excluding air.By the venous blood of low temperature
Temperature-changing chamber is led to from pipeline, sets the temperature of temperature-changing chamber, heater strip is started working, and the blood in temperature-changing chamber is heated up, and is wriggled
Pump rotates extruding silicone tube, and the blood after will heat up makes temperature recovery, to reach centrality rewarming through feeding back in tube pump ex vivo
Therapeutic effect.
Claims (4)
- A kind of 1. field first aid blood rewarming device, it is characterised in that including be in turn connected to form circulation be used for draw blood The drainage tube (5) of liquid, thermode (1), peristaltic pump (2) and for by the feedback pipe (6) of blood backflow；Before the drainage tube (5) End is provided with first entrance (7), and rear end is provided with first outlet (9)；Described pipe (6) front end that feeds back is provided with second outlet (8), Rear end is provided with second entrance (4)；Drainage tube (5) first outlet (9) by pipeline successively with thermode (1), peristaltic pump (2) connected with second entrance (4)；The feedback pipe (6) is arranged in drainage tube (5) inner chamber and feeds back pipe (6) and extends anteriorly out Drainage tube (5)；The outer wall of the feedback pipe (6) and the tangent setting of drainage tube (5) inwall, or feedback manages (6) and drainage tube (5) is same Axle is set；Drainage tube (5) caliber is 17F-24F, and the caliber for feeding back pipe (6) is 8-15F；The first entrance (7) includes some apertures, and each aperture is evenly distributed on drainage tube (5) front end along pipe (6) circumference is fed back；The thermode (1) includes offering drainage tube interface and feeds back the housing (10) of interface tube, is set in the housing (10) Temperature-changing chamber is equipped with, housing (10) is provided with the heater strip (11) for heating temperature-changing chamber, the heater strip between temperature-changing chamber (11) it is connected with the temperature control module for controlling heater strip (11) to work.
- A kind of 2. field first aid blood rewarming device according to claim 1, it is characterised in that the drainage tube (5) It is respectively provided with pipeline between pipeline between first outlet (9) and thermode (1), and second entrance (4) and peristaltic pump (2) There is pressure alarm (3).
- A kind of 3. field first aid blood rewarming device according to claim 1 or 2, it is characterised in that first outlet (9) Temperature sensor (12) is additionally provided with pipeline between thermode (1).
- A kind of 4. field first aid blood rewarming device according to claim 1, it is characterised in that the thermode (1) It is connected with peristaltic pump (2) with portable cell storehouse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510210128.5A CN104771800B (en) | 2015-04-28 | 2015-04-28 | A kind of field first aid blood rewarming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510210128.5A CN104771800B (en) | 2015-04-28 | 2015-04-28 | A kind of field first aid blood rewarming device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104771800A CN104771800A (en) | 2015-07-15 |
| CN104771800B true CN104771800B (en) | 2018-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510210128.5A Expired - Fee Related CN104771800B (en) | 2015-04-28 | 2015-04-28 | A kind of field first aid blood rewarming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104771800B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116763531A (en) * | 2021-05-25 | 2023-09-19 | 朱晓丹 | Organ rewarming device for organ transplantation and control method thereof |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4061141A (en) * | 1969-03-21 | 1977-12-06 | Viktor Holger Hyden | Apparatus and method for selectively separating amino acids and defined proteins in blood |
| IT1005695B (en) * | 1974-03-25 | 1976-09-30 | Bellco Spa | BLOOD OXYGENATOR DEVICE WITH HEAT EXCHANGER |
| CN2235820Y (en) * | 1995-02-16 | 1996-09-25 | 北京永安技贸公司 | Blood heating instrument |
| US6338727B1 (en) * | 1998-08-13 | 2002-01-15 | Alsius Corporation | Indwelling heat exchange catheter and method of using same |
| US6554797B1 (en) * | 1999-02-19 | 2003-04-29 | Alsius Corporation | Method and system for patient temperature management and central venous access |
| CN2407762Y (en) * | 2000-03-06 | 2000-11-29 | 寿锡健 | Blood temperature changing device for oxygenator |
| CN2715765Y (en) * | 2002-12-30 | 2005-08-10 | 中国科学院理化技术研究所 | Thermotherapy device for extracorporeal circulation |
| CN1246050C (en) * | 2003-04-11 | 2006-03-22 | 清华大学 | Blood temperature control method for perfusion hyperthermic treatment and temperature-changing device |
| US20050177087A1 (en) * | 2004-02-11 | 2005-08-11 | Steve Lee | Blood heat conserving tube assembly for hemodialysis or blood transfusion |
| CN2788822Y (en) * | 2004-12-15 | 2006-06-21 | 朱岳华 | Thoracic closed drainage tube |
| CN103041464A (en) * | 2013-01-21 | 2013-04-17 | 北京大德海纳医疗科技有限公司 | Rapid blood-rewarming device under rocking and vibrating outdoor battlefield condition |
| JP5896478B2 (en) * | 2013-09-24 | 2016-03-30 | 朝日インテック株式会社 | Balloon catheter |
| CN204766769U (en) * | 2015-04-28 | 2015-11-18 | 中国人民解放军第四军医大学 | On --spot blood rewarming device for first aid |
-
2015
- 2015-04-28 CN CN201510210128.5A patent/CN104771800B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN104771800A (en) | 2015-07-15 |
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Granted publication date: 20180320 Termination date: 20190428 |