CN1117589C - Heat exchanger for constant-temp transfusion - Google Patents
Heat exchanger for constant-temp transfusion Download PDFInfo
- Publication number
- CN1117589C CN1117589C CN 00109802 CN00109802A CN1117589C CN 1117589 C CN1117589 C CN 1117589C CN 00109802 CN00109802 CN 00109802 CN 00109802 A CN00109802 A CN 00109802A CN 1117589 C CN1117589 C CN 1117589C
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- CN
- China
- Prior art keywords
- transfusion
- patients
- heat exchanger
- infusion
- constant
- 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.)
- Expired - Fee Related
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- 239000012782 phase change material Substances 0.000 claims abstract description 13
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 claims description 14
- 235000021314 Palmitic acid Nutrition 0.000 claims description 7
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 claims description 7
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 7
- 239000008117 stearic acid Substances 0.000 claims description 7
- 235000021355 Stearic acid Nutrition 0.000 claims description 4
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 4
- 239000007788 liquid Substances 0.000 abstract description 14
- 238000001802 infusion Methods 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 239000003814 drug Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 238000009413 insulation Methods 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000007654 immersion Methods 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000036760 body temperature Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 240000005373 Panax quinquefolius Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The present invention discloses a heat exchanger for constant temperature transfusion, which relates to a medical auxiliary apparatus for heating liquid medicine during the infusion of patients in hospitals. The present invention is composed of a barrel body, a heat insulation barrel lid and a regulator, wherein the barrel body is filled with a certain recipe of phase change materials; the heat insulation barrel lid is matched with the barrel body; the regulator is arranged on the heat insulation barrel lid. Under the condition of a lower room temperature, the present invention can provide a constant temperature water bath environment for the infusion of patients so as to eliminate the uncomfortableness and other kinds of possible side effect on the patients. Moreover, doctors or the patients can conveniently make adjustment according to the degree of the room temperature and the speed of the infusion in order to achieve a suitable infusion temperature. The present invention has the advantages of simple operation, safe use, reliability, etc.
Description
The present invention relates to a kind of phase change heat-exchange apparatus, be used to heat a kind of medical auxiliary equipment of medicinal liquid during particularly a kind of patient infusion.
At present, when patient infused in hospital, medicinal liquid generally was directly to import in the patient body from medicine bottle by a tube for transfusion of carefully growing.In the winter time, indoor temperature is generally reduced to 15-20 ℃, and especially in the areas to the south, the Yangtze river basin of no Central Heating Providing, indoor air temperature is lower, and medicine bottle and tube for transfusion are incubated and heat treated, causes fluid temperature and body temperature to produce the bigger temperature difference.When medicinal liquid arrives human body, can cause patient's discomfort, severe patient also can cause other side effect.
At the deficiencies in the prior art and defective, purpose of the present invention and task provide a kind of heat exchanger for constant-temp transfusion, this device not only can be under the lower situation of indoor temperature, make medicinal liquid temperature value near body temperature when the input human body, thereby eliminate patient's sense of discomfort, and use simple, safety, reliable.
Purpose of the present invention and task are achieved by the following technical solution: this heat exchanger for constant-temp transfusion is made up of cylindrical shell and the adiabatic cover that matches with it and the actuator that is arranged on the cover, and described cylindrical shell is made of adiabatic urceolus, inner core and the phase-change material that is filled between the inside and outside tube; Described actuator comprises adjusting screw(rod), adapter and the travel(l)ing rest that matches with cover, and has two hole slots on adiabatic cover.
The phase-change material of being filled in the said apparatus, containing molecular formula is C
18H
36O
2Stearic acid and molecular formula be C
16H
32O
2Two kinds of components of palmitic acid, its content (percentage by weight) is respectively:
Stearic acid 61%
Palmitic acid 39% has also been set up the heat exchange fin in order to strengthen the heat exchange effect on the inner tube wall between the inside and outside tube.
In said apparatus, because the liquid phase-change material that is filled between inner core and the urceolus discharges a large amount of heats when solidifying, and the phase transition process of phase-change material almost is in isothermal, thereby whole heat-exchanger rig is in the homothermic environment, be used for heating the tube for transfusion that is immersed in the inner core water-bath, make the temperature of medicinal liquid, thereby achieve the above object near human comfort.
Accompanying drawing 1 is the structural representation of heat exchanger for constant-temp transfusion.
Accompanying drawing 2 is the A-A vertical view of accompanying drawing 1, expresses and have two symmetrical hole slots on adiabatic cover.
Specify principle of the present invention, structure and preferred forms below in conjunction with accompanying drawing:
This heat exchanger for constant-temp transfusion is made up of cylindrical shell and the adiabatic cover that matches with it and the actuator that is arranged on the cover.Cylindrical shell divides urceolus 1 and inner core 2, and urceolus 1 is the made cylinder of adiabator, plays insulation effect; 2 of inner cores are thin metal square tube or garden tube, and interior Sheng clear water is filled the necessarily phase-change material 3 of prescription between inside and outside tube.In order to strengthen the heat exchange effect, on the inner tube wall between the inside and outside tube, some heat exchange fins 7 have also been set up.For preventing the leakage of phase-change material, inner core and urceolus should guarantee strict seal.In order to make tube for transfusion be convenient to stretch into and take out, on adiabatic cover 4, have two symmetric hole slots 11, be respectively the import and export of tube for transfusion.The actuator that is arranged on the cover 4 is to be made of screw rod 5, adapter 8 and travel(l)ing rest 9, is used for controlling the immersion length of tube for transfusion in water bath with thermostatic control.During use, the part of the tube for transfusion import and export hole slot 11 from adiabatic cover 4 is stretched into, be immersed in the water-bath of inner core 5, and fixed by travel(l)ing rest 9.Because the insertion of cold drug liquid tube, make phase-change material between inside and outside tube, undergo phase transition in a certain specific temperature, discharge a large amount of heats, the water bath with thermostatic control environment is provided, cold medicinal liquid promptly can be according to the temperature of medicinal liquid and the speed of transfusion by water bath with thermostatic control heating doctor or patient at this, by the immersion length of screw rod adjustment tube for transfusion, to reach suitable temperature.
Being encapsulated in the phase-change material 3 between the inside and outside tube, is to be C by molecular formula
18H
36O
2Stearic acid and molecular formula be C
16H
32O
2Two kinds of components of palmitic acid mix, its content (percentage by weight) is respectively:
Stearic acid 61%
The hot rerum natura of palmitic acid 39% above two kinds of materials is as follows:
| Title material | Molecular weight | Fusing point ℃ | Heat of fusion kj/kg | Heat conductivity w/m.k | Density of solid kg/m3 | Fluid density kg/m3 |
| Palmitic acid | 256 | 62.3 | 186 | 0.165 | 989 | 850 |
| Stearic acid | 284 | 70.7 | 203 | 0.172 | 965 | 848 |
| Mixture | / | 54.1 | 192 | / | / | / |
The present invention compared with prior art has the following advantages and beneficial effect:
A. this constant-temp transfusion device provides a homothermic water-bath environment for patient infusion, thereby has eliminated effectively owing to the lower patient's of causing of fluid temperature discomfort and other side effect.
B. safe in utilization, reliable: this device adopts phase-change material and it is encapsulated in internal layer is heat conduction good metal tube, skin is between the adiabatic good heat-preservation cylinder, does not expose, and does not leak, what directly contact with the patient infusion pipe is clean water, therefore can not cause any pollution and dangerous.
C. temperature applicable range broad: owing to be provided with the tube for transfusion actuator on adiabatic cover, doctor or patient can by adjusting the length that tube for transfusion soaks, meet the demands according to the speed of the gentle transfusion of different chamber.
D. easy to operate: on adiabatic cover, be provided with hole slot, for tube for transfusion stretch the people or taking-up provides easy operation.
Embodiment:
With the encapsulation total amount is that the permanent heat exchanger of 400g (preparation) according to the above ratio phase-change material is an example, heat one bottle of 500ml, the medicinal liquid that instiled in 12 minutes in 1 hour, according to different indoor temperatures and required medicine liquid outlet temperature, by calculating the tube for transfusion length can obtain required immersion, as shown in the table:
| The medicine liquid outlet temperature (℃) | Indoor temperature (℃) | Soak length (Lcm) |
| 33 | 5 | 26.4 |
| 33 | 7 | 25.5 |
| 33 | 10 | 24 |
| 33 | 12 | 22.9 |
| 33 | 15 | 21 |
| 33 | 17 | 19.6 |
| 33 | 20 | 17.2 |
This heat-exchanger rig that has held sufficient heat can satisfy the medicinal liquid instillation of common 500ML, and heat-exchanger rig needs can use after the accumulation of heat again afterwards.During accumulation of heat, adopt the direct heating cylindrical shell or the heating in water bath of inner core is got final product, temperature is generally about 60 ℃-70 ℃.
Claims (2)
1, a kind of heat exchanger for constant-temp transfusion, it is characterized in that this device is made up of cylindrical shell and the adiabatic cover that matches with it and the actuator that is arranged on the cover, described cylindrical shell is made of adiabatic urceolus, inner core and the phase-change material that is filled between the inner/outer tube, described actuator comprises adjusting screw(rod), adapter and the travel(l)ing rest that matches with adiabatic cover, and has two hole slots on adiabatic cover; It is C that described phase-change material contains molecular formula
18H
36O
2Stearic acid and molecular formula be C
16H
32O
2Two kinds of components of palmitic acid, its weight percent content is respectively:
Stearic acid 61%
Palmitic acid 39%
2,, it is characterized in that on the inner tube wall between the inside and outside tube, setting up the heat exchange fin according to the described a kind of heat exchanger for constant-temp transfusion of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00109802 CN1117589C (en) | 2000-07-07 | 2000-07-07 | Heat exchanger for constant-temp transfusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00109802 CN1117589C (en) | 2000-07-07 | 2000-07-07 | Heat exchanger for constant-temp transfusion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1276247A CN1276247A (en) | 2000-12-13 |
| CN1117589C true CN1117589C (en) | 2003-08-13 |
Family
ID=4579873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00109802 Expired - Fee Related CN1117589C (en) | 2000-07-07 | 2000-07-07 | Heat exchanger for constant-temp transfusion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1117589C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103861183B (en) * | 2014-03-14 | 2015-11-04 | 重庆大学 | A kind of infusion tube heating device utilizing phase transformation to realize transfer of heat |
| CN105251085A (en) * | 2015-01-28 | 2016-01-20 | 何向锋 | Heating device for temperature-buffering transfusion |
| CN104984433A (en) * | 2015-08-12 | 2015-10-21 | 苏州登顶医疗科技有限公司 | Intelligent and constant temperature enema syringe |
| CN105854134B (en) * | 2016-04-25 | 2019-03-19 | 武汉大学 | A kind of Medical transfusion heating device based on solid-liquid phase change material |
| CN108888839A (en) * | 2018-04-26 | 2018-11-27 | 伍峰 | A kind of environment-friendly type infusion heating bag |
| CN109568707A (en) * | 2019-01-26 | 2019-04-05 | 郑州工业应用技术学院 | A kind of improved Gynecological washing chlorination equipment |
| CN112286251A (en) * | 2019-07-13 | 2021-01-29 | 宁波泽世医疗科技有限公司 | Medicine environment control device |
| CN112286247A (en) * | 2019-07-13 | 2021-01-29 | 宁波泽世医疗科技有限公司 | Medicine environment control device |
-
2000
- 2000-07-07 CN CN 00109802 patent/CN1117589C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1276247A (en) | 2000-12-13 |
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| C14 | Grant of patent or utility model | ||
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