CN105943146B - Shape memory alloy bone plate cooler - Google Patents
Shape memory alloy bone plate cooler Download PDFInfo
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- CN105943146B CN105943146B CN201610317909.9A CN201610317909A CN105943146B CN 105943146 B CN105943146 B CN 105943146B CN 201610317909 A CN201610317909 A CN 201610317909A CN 105943146 B CN105943146 B CN 105943146B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/00867—Material properties shape memory effect
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- Orthopedic Medicine & Surgery (AREA)
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- Devices That Are Associated With Refrigeration Equipment (AREA)
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Abstract
The invention discloses a shape memory alloy bone fracture plate cooler which comprises a box body, a double-path diaphragm pump, a refrigerating ring, a controller, an inner circulation chamber, an outer circulation chamber, a cooling film cavity, a bone plate film cavity and a refrigerating chamber, wherein the box body is provided with a first diaphragm pump and a second diaphragm pump; the refrigerating chamber is provided with a cooling fan and ventilation shutters; a controller and a two-way diaphragm pump are arranged between the refrigerating chamber and the inner and outer circulating chambers, two ends of the two-way diaphragm pump are respectively provided with a cooling film cavity and a bone lamella film cavity, the cooling film cavity is arranged between the inner circulating chamber and the refrigerating chamber, and a plurality of groups of semiconductor annular refrigerating rings are assembled on a pipeline of the cooling discharge port; a bone plate suction port is arranged on one side of the bone plate membrane cavity, and a bone plate discharge port is arranged at the top of the bone plate membrane cavity; the invention adopts the double-loop diaphragm pump and the annular semiconductor refrigerating ring to cool the physiological saline, the physiological saline with the temperature lower than 5 ℃ is circulated externally to cool the shape memory alloy bone fracture plate, the structure is simple, the use is convenient, the cooling is uniform, the bone fracture plate is quickly disassembled, and the operation time is shortened.
Description
Technical Field
The invention relates to the technical field of shape memory alloy bone fracture plates, in particular to a shape memory alloy bone fracture plate cooling machine.
Background
With the development of modern medical orthopedics, bone fracture plates made of shape memory alloy are more and more widely applied, the shape memory alloy has a shape memory effect related to temperature, the shape is easy to shape when the shape memory alloy is placed in a cold medium, and restoring force and resilience force are generated when the temperature is increased, so that the shape memory alloy automatically returns to an original shape; the shape memory alloy bone fracture plate is convenient to install, can shorten the operation time and reduce the pain of a patient.
The shape memory alloy bone fracture plate has the deformation recovery capability because the thermo-elastic martensite phase transformation is generated in the material during the deformation process, and the shape memory alloy has two phases: the high temperature phase austenite phase and the low temperature phase martensite phase, the shape memory alloy presents two performances according to different thermal load conditions.
In the prior art, when the bone fracture plate is removed after the injured bone is healed, sterile normal saline gauze below 5 ℃ is required to be uniformly cold-coated on the bone fracture plate, so that the shape memory alloy is bent under the cooling condition to open the fixing part, and the bone fracture plate can be taken out; however, when the existing cooling device is used with the shape memory bone fracture plate, the cooling effect is poor and the cooling machine is complex; the cooler is inconvenient to connect with the bone fracture plate with a shape, the bone fracture plate is difficult to be uniformly cooled, the bone fracture plate is still difficult to remove, and the operation time is prolonged.
Disclosure of Invention
In order to solve the technical problems, the invention provides a shape memory alloy bone fracture plate cooling machine, aiming at the defects in the prior art, a double-loop diaphragm pump is adopted, an annular semiconductor refrigerating ring is used, an internal circulation is designed to cool physiological saline, and an external circulation is designed to convey the cooled physiological saline into the shape memory alloy bone fracture plate, so that the shape memory alloy bone fracture plate is quickly opened, the bone fracture plate is quickly and conveniently detached, and the operation time is shortened.
In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides a shape memory alloy coaptation board cooler, includes box, double-circuit diaphragm pump, refrigeration ring, radiator fan, ventilation tripe, controller, inner loop room, extrinsic cycle room, wave form baffle, cooling membrane chamber, cooling suction inlet, cooling row's mouth, cooling backward flow mouth, hone lamella membrane chamber, hone lamella suction inlet, hone lamella row's mouth, hone lamella backward flow mouth, temperature sensor, refrigeration room, its characterized in that:
a refrigeration chamber, an inner circulation chamber and an outer circulation chamber are arranged in the box body, a wave-shaped partition plate is arranged between the inner circulation chamber and the outer circulation chamber, the upper part of the wave-shaped partition plate is provided with a wave-shaped top edge, and the inner circulation chamber is communicated with the outer circulation chamber through the top edge; the top of the refrigerating chamber is provided with a heat radiation fan, and the side surface of the refrigerating chamber is provided with a ventilation shutter; a controller and a two-way diaphragm pump are arranged between the refrigerating chamber and the inner and outer circulating chambers, a cooling film cavity and a bone lamella film cavity are respectively arranged at two ends of the two-way diaphragm pump, the cooling film cavity is arranged between the inner circulating chamber and the refrigerating chamber, a cooling suction port is arranged at one side of the inner circulating chamber of the cooling film cavity, a cooling discharge port is arranged at one side of the refrigerating chamber of the cooling film cavity, the cooling discharge port is communicated with a cooling reflux port in the outer circulating chamber through a pipeline, and a plurality of groups of semiconductor annular refrigerating rings are assembled on the pipeline of the cooling discharge port; the bone lamella membrane cavity cooling device is characterized in that a bone lamella suction port is arranged on one side of an outer circulation chamber of the bone lamella membrane cavity, a bone lamella outlet is arranged at the top of the bone lamella membrane cavity, the bone lamella outlet is communicated with a cooling inlet of the shape memory alloy bone plate through a pipeline, a cooling outlet of the shape memory alloy bone plate is communicated with a bone lamella return port through a pipeline, and the bone lamella return port is arranged at the top of the inner circulation chamber.
And the waveform partition plate is provided with a temperature sensor, and the temperature sensor, the two-way diaphragm pump, the refrigerating ring and the cooling fan are in electrical signal connection with the controller.
The inner circulation chamber and the outer circulation chamber are filled with physiological saline, and the controller can respectively control the operation of the cooling film cavity and the bone plate film cavity through the refrigerating ring according to signals of the temperature sensors.
The cooling suction port, the cooling discharge port, the bone plate suction port and the bone plate discharge port are all provided with one-way valves.
The working principle of the invention is as follows: filling physiological saline into the inner circulation chamber and the outer circulation chamber, connecting the bone plate row port with a cooling inlet of the shape memory alloy bone plate, and connecting the bone plate return port with a cooling outlet of the shape memory alloy bone plate; the controller starts the two-way diaphragm pump, the cooling diaphragm cavity sucks normal saline through the cooling suction port, the normal saline is sent out through the cooling discharge port, and the normal saline is cooled by the plurality of groups of semiconductor refrigerating rings, then the temperature of the normal saline is reduced, and the normal saline enters the external circulation chamber through the cooling return port; the bone plate membrane cavity sucks low-temperature physiological saline through the bone plate suction port, sends the low-temperature physiological saline out through the bone plate discharge port, enters the bone plate through the cooling inlet of the shape memory alloy through the pipeline, and cools the bone plate uniformly to force the bone plate to deform and open; furthermore, the physiological saline flows out from the cooling outlet of the shape memory alloy bone fracture plate and flows back to the internal circulation chamber from the bone fracture plate flow back port through a pipeline.
Through the technical scheme, the technical scheme of the invention has the beneficial effects that: the double-loop diaphragm pump is adopted, the annular semiconductor refrigerating ring is used, the physiological saline is cooled by the inner circulation, the cooled physiological saline is conveyed into the shape memory alloy bone fracture plate by the outer circulation, the structure is simple, the use is convenient, the physiological saline with the temperature below 5 ℃ is introduced into a cooling channel of the memory alloy bone fracture plate, the bone fracture plate is uniformly cooled, the bone fracture plate can be smoothly and quickly detached, and the operation time is further shortened.
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 description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a shape memory alloy bone plate cooler according to an embodiment of the present invention;
fig. 2 is a schematic top view of a shape memory alloy bone plate cooler according to an embodiment of the present invention.
The corresponding part names indicated by the numbers and letters in the drawings:
1. case 2, double-path diaphragm pump 3, refrigerating ring 4 and radiating fan
5. Ventilating shutter 6, controller 7, internal circulation chamber 8 and external circulation chamber
9. Wave-shaped partition board 10, cooling film cavity 11, cooling suction port 12 and cooling discharge port
13. Cooling return port 14, bone plate membrane cavity 15, bone plate suction port 16 and bone plate discharge port
17. Bone plate return port 18, temperature sensor 19 and refrigerating chamber
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
According to fig. 1 and 2, the invention provides a shape memory alloy bone plate cooling machine, which comprises a box body 1, a two-way diaphragm pump 2, a refrigerating ring 3, a cooling fan 4, a ventilation louver 5, a controller 6, an inner circulation chamber 7, an outer circulation chamber 8, a corrugated partition plate 9, a cooling film cavity 10, a cooling suction opening 11, a cooling discharge opening 12, a cooling return opening 13, a bone plate film cavity 14, a bone plate suction opening 15, a bone plate discharge opening 16, a bone plate return opening 17, a temperature sensor 18 and a refrigerating chamber 19.
A refrigeration chamber 19, an inner circulation chamber 7 and an outer circulation chamber 8 are arranged in the box body 1, a wave-shaped partition plate 9 is arranged between the inner circulation chamber 7 and the outer circulation chamber 8, the upper part of the wave-shaped partition plate 9 is provided with a wave-shaped top edge, and the inner circulation chamber 7 is communicated with the outer circulation chamber 8 through the top edge; the top of the refrigerating chamber 19 is provided with a heat radiation fan 4, and the side surface of the refrigerating chamber 19 is provided with a ventilation louver 5; a controller 6 and a two-way diaphragm pump 2 are arranged between the refrigerating chamber 19 and the inner and outer circulating chambers (7, 8), two ends of the two-way diaphragm pump 2 are respectively provided with a cooling film cavity 10 and a bone plate film cavity 14, the cooling film cavity 10 is arranged between the inner circulating chamber 7 and the refrigerating chamber 19, one side of the inner circulating chamber 7 of the cooling film cavity 10 is provided with a cooling suction port 11, one side of the refrigerating chamber 19 of the cooling film cavity 7 is provided with a cooling discharge port 12, the cooling discharge port 12 is communicated with a cooling return port 13 in the outer circulating chamber 8 through a pipeline, and a plurality of groups of semiconductor annular refrigerating rings 3 are assembled on the pipeline of the cooling discharge port 12; a bone plate suction port 15 is arranged on one side of an outer circulation chamber 8 of the bone plate membrane cavity 14, a bone plate discharge port 16 is arranged at the top of the bone plate membrane cavity 14, the bone plate discharge port 16 is communicated with a cooling inlet of a shape memory alloy bone plate through a pipeline, a cooling outlet of the shape memory alloy bone plate is communicated with a bone plate return port 17 through a pipeline, and the bone plate return port 17 is arranged at the top of the inner circulation chamber 7.
The waveform partition plate 9 is provided with a temperature sensor 18, and the temperature sensor 18, the two-way diaphragm pump 2, the refrigerating ring 3 and the cooling fan 4 are in electrical signal connection with the controller 6.
The inner circulation chamber 7 and the outer circulation chamber 8 are filled with physiological saline, and the controller 6 can respectively control the operation of the cooling film cavity 10 and the bone plate film cavity 14 through the refrigerating ring 3 according to signals of the temperature sensor 18.
The cooling suction opening 11, the cooling discharge opening 12, the bone plate suction opening 15 and the bone plate discharge opening 16 are all provided with one-way valves.
The specific implementation operation steps of the invention are as follows: physiological saline is filled in the inner circulation chamber 7 and the outer circulation chamber 8, the bone plate discharge port 16 is connected with a cooling inlet of the shape memory alloy bone plate, and the bone plate return port 17 is connected with a cooling outlet of the shape memory alloy bone plate; the controller 6 starts the two-way diaphragm pump 2, the cooling diaphragm cavity 10 sucks normal saline through the cooling suction port 11 and sends the normal saline through the cooling discharge port 12, the normal saline is cooled by the plurality of groups of semiconductor refrigerating rings 3, the temperature of the normal saline is reduced, and the normal saline enters the external circulation chamber 8 through the cooling return port 13; the bone plate membrane cavity 14 sucks low-temperature physiological saline through a bone plate suction port 15, sends the low-temperature physiological saline out through a bone plate discharge port 16, enters the bone plate through a cooling inlet of the shape memory alloy through a pipeline, and cools the bone plate uniformly to force the bone plate to deform and open; further, the physiological saline flows out from the cooling outlet of the shape memory alloy bone fracture plate and flows back to the inner circulation chamber 7 from the bone fracture plate flow-back port 17 through a pipeline; according to the signal of the temperature sensor 18, the controller 6 controls the working state of the refrigerating ring 3, thereby accurately controlling the temperature of the physiological saline, ensuring the stable operation of the integral cooler and quickly opening the shape memory alloy bone fracture plate.
Through the specific embodiment, the beneficial effects of the invention are as follows: the double-loop diaphragm pump is adopted, the annular semiconductor refrigerating ring is used, the physiological saline is cooled by the inner circulation, the cooled physiological saline is conveyed into the shape memory alloy bone fracture plate by the outer circulation, the structure is simple, the use is convenient, the physiological saline with the temperature below 5 ℃ is introduced into a cooling channel of the memory alloy bone fracture plate, the bone fracture plate is uniformly cooled, the bone fracture plate can be smoothly and quickly detached, and the operation time is further shortened.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. A shape memory alloy bone fracture plate cooler is characterized by comprising a box body, a double-path diaphragm pump, a refrigerating ring, a cooling fan, a ventilation shutter, a controller, an internal circulation chamber, an external circulation chamber, a waveform clapboard, a cooling film cavity, a cooling suction port, a cooling discharge port, a cooling reflux port, a bone plate film cavity, a bone plate suction port, a bone plate discharge port, a bone plate reflux port, a temperature sensor and a refrigerating chamber; a refrigeration chamber, an inner circulation chamber and an outer circulation chamber are arranged in the box body, a wave-shaped partition plate is arranged between the inner circulation chamber and the outer circulation chamber, the upper part of the wave-shaped partition plate is provided with a wave-shaped top edge, and the inner circulation chamber is communicated with the outer circulation chamber through the top edge; the top of the refrigerating chamber is provided with a heat radiation fan, and the side surface of the refrigerating chamber is provided with a ventilation shutter; a controller and a two-way diaphragm pump are arranged between the refrigerating chamber and the inner and outer circulating chambers, a cooling film cavity and a bone lamella film cavity are respectively arranged at two ends of the two-way diaphragm pump, the cooling film cavity is arranged between the inner circulating chamber and the refrigerating chamber, a cooling suction port is arranged at one side of the inner circulating chamber of the cooling film cavity, a cooling discharge port is arranged at one side of the refrigerating chamber of the cooling film cavity, the cooling discharge port is communicated with a cooling reflux port in the outer circulating chamber through a pipeline, and a plurality of groups of semiconductor annular refrigerating rings are assembled on the pipeline of the cooling discharge port; the bone lamella membrane cavity cooling device is characterized in that a bone lamella suction port is arranged on one side of an outer circulation chamber of the bone lamella membrane cavity, a bone lamella outlet is arranged at the top of the bone lamella membrane cavity, the bone lamella outlet is communicated with a cooling inlet of the shape memory alloy bone plate through a pipeline, a cooling outlet of the shape memory alloy bone plate is communicated with a bone lamella return port through a pipeline, and the bone lamella return port is arranged at the top of the inner circulation chamber.
2. The shape memory alloy bone plate cooler as set forth in claim 1, wherein the corrugated partition is provided with a temperature sensor, and the temperature sensor, the two-way diaphragm pump, the refrigerating ring and the heat dissipation fan are electrically connected with the controller through signals.
3. The shape memory alloy bone plate cooler as set forth in claim 1, wherein the inner and outer circulation chambers are filled with physiological saline, and the controller controls the operation of the cooling film chamber and the operation of the bone plate film chamber through the refrigerating ring according to the signals of the temperature sensors.
4. A shape memory alloy bone plate cooler according to claim 1 wherein the cooling suction port, cooling discharge port, bone plate suction port and bone plate discharge port are provided with one-way valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610317909.9A CN105943146B (en) | 2016-05-14 | 2016-05-14 | Shape memory alloy bone plate cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610317909.9A CN105943146B (en) | 2016-05-14 | 2016-05-14 | Shape memory alloy bone plate cooler |
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| Publication Number | Publication Date |
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| CN105943146A CN105943146A (en) | 2016-09-21 |
| CN105943146B true CN105943146B (en) | 2020-04-17 |
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| CN201610317909.9A Active CN105943146B (en) | 2016-05-14 | 2016-05-14 | Shape memory alloy bone plate cooler |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2197024Y (en) * | 1994-03-17 | 1995-05-17 | 长春中吉光电公司 | Lowering-tempreture instrument with semiconductor medical freezer |
| CN101275805A (en) * | 2007-03-28 | 2008-10-01 | 中国科学院微电子研究所 | Semiconductor refrigeration carbon dioxide supercritical drying device |
| US20080269746A1 (en) * | 2007-04-24 | 2008-10-30 | Osteolign, Inc. | Conformable intramedullary implant with nestable components |
| CN205126472U (en) * | 2015-11-02 | 2016-04-06 | 中国医学科学院北京协和医院 | Cooling analgesia device |
| CN205261848U (en) * | 2015-12-07 | 2016-05-25 | 广西万邕投资集团有限公司 | Central air conditioning's follow -up control power saving device |
| CN107320171B (en) * | 2015-12-24 | 2019-08-23 | 常州市第二人民医院 | Memory alloy plate osteosynthesis and memory alloy plate osteosynthesis external member |
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