CN113450637A - Venous transfusion device for nursing teaching - Google Patents
Venous transfusion device for nursing teaching Download PDFInfo
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- CN113450637A CN113450637A CN202110783287.XA CN202110783287A CN113450637A CN 113450637 A CN113450637 A CN 113450637A CN 202110783287 A CN202110783287 A CN 202110783287A CN 113450637 A CN113450637 A CN 113450637A
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- range finder
- laser range
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/28—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for medicine
- G09B23/285—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for medicine for injections, endoscopy, bronchoscopy, sigmoidscopy, insertion of contraceptive devices or enemas
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
The invention provides a venous transfusion device for nursing teaching, which comprises an optical signal transmitting unit, wherein the optical signal transmitting end of the optical signal transmitting unit is communicated with the other end of a pipe sleeve, and the optical signal transmitting unit is used for transmitting optical signals into a transfusion needle; the signal detection unit is used for detecting the optical signal emitted by the optical signal emission unit; a feedback unit disposed on the sleeve; the angle measuring unit is arranged corresponding to the feedback unit at the output end of the angle measuring unit and used for measuring the puncture angle of the infusion needle.
Description
Technical Field
The invention belongs to the technical field of medical nursing teaching tools, and particularly relates to a venous infusion apparatus for nursing teaching.
Background
The venipuncture technique is a basic operation skill which must be mastered by medical practitioners and nurses.
At the medical college, units such as nursing school are when carrying out the venipuncture teaching of vein transfusion system, use disposable transfusion system more and teach, because remaining liquid gas can't in time get rid of in the transfusion system, make the transfusion system lose the value of exhaust training, at the actual teaching in-process, also can waste the disposable hose that a large amount of aseptic liquid and transfusion needle were equipped with, and, when the student carries out actual operation, because lack check out test set, can not in time discover the problem that the puncture in-process appears, not only waste a large amount of medical resources, and teaching efficiency and quality are also very low.
Disclosure of Invention
The invention aims to provide a venous transfusion device for nursing teaching, which solves the problems that a large amount of medical resources are wasted and the teaching efficiency and quality are very low in the prior art, and utilizes an optical signal transmitting unit, a signal detection unit and an angle measurement unit to save the medical resources and the teaching cost and improve the teaching efficiency and quality.
In order to achieve the purpose, the invention provides the following technical scheme:
the venous transfusion device for nursing teaching comprises a transfusion needle, a needle handle and a pipe sleeve, wherein the transfusion needle is communicated with one end of the pipe sleeve, the transfusion needle is connected onto the pipe sleeve, the side wall of the pipe sleeve is fixedly connected with the needle handle, the venous transfusion device also comprises an optical signal transmitting unit, the optical signal transmitting end of the optical signal transmitting unit is communicated with the other end of the pipe sleeve, and the optical signal transmitting unit is used for transmitting optical signals into the transfusion needle;
the signal detection unit is used for detecting the optical signal emitted by the optical signal emission unit;
a feedback unit disposed on the sleeve;
the output end of the angle measuring unit corresponds to the feedback unit, the angle measuring unit is arranged below the feedback unit, and the angle measuring unit is used for measuring the puncture angle of the infusion needle.
As a further description of the above technical solution:
the signal detection unit comprises an arm injection model, a plurality of rubber tubes, a controller and a photosensitive resistor, wherein the rubber tubes simulate blood vessels to be distributed in the arm injection model, the photosensitive resistor is attached to the inner wall of each rubber tube, and the signal output end of the photosensitive resistor is connected with the first signal input end of the controller.
As a further description of the above technical solution:
the pipe sleeve comprises a first limiting ring and a second limiting ring, the first limiting ring is sleeved at one end of the pipe sleeve, the second limiting ring is sleeved at the other end of the pipe sleeve, and threads are arranged on the inner wall of the second limiting ring.
As a further description of the above technical solution:
the optical signal transmitting unit comprises a laser transmitter and a shell, the laser transmitter is installed in the shell, threads are arranged on the periphery of the shell, the shell is arranged in the second limiting ring, and the shell is in threaded connection with the second limiting ring.
As a further description of the above technical solution:
the feedback unit comprises a first reflector plate and a second reflector plate, the first reflector plate is attached to the surface of the first limiting ring, and the second reflector plate is attached to the surface of the second limiting ring.
As a further description of the above technical solution:
the specific processing procedure of the signal detection unit is as follows:
s61: starting the laser transmitter to enable laser to be emitted from the infusion needle;
s62: holding the needle handle, and inserting the infusion needle into the arm injection model;
s63: the transfusion needle is inserted into the rubber tube, so that laser is injected into the rubber tube;
s64: when the photoresistor in the rubber tube is irradiated by laser, the photoresistor outputs signals to the controller;
s65: when the first signal input end of the controller receives the signal of the photoresistor, the first signal output end of the controller outputs a signal indicating that the puncture is completed, otherwise, S66 is executed;
s66: when the first signal input end of the controller does not receive the signal of the photoresistor, the controller does not output the signal.
As a further description of the above technical solution:
the angle measuring unit comprises a first laser range finder and a second laser range finder, the first laser range finder is embedded in the arm injection model, the second laser range finder is embedded in the arm injection model, the ranging end of the first laser range finder corresponds to the first reflector plate, the ranging end of the second laser range finder corresponds to the second reflector plate, the signal output end of the first laser range finder is connected with the second signal input end of the controller, the signal output end of the second laser range finder is connected with the third signal input end of the controller, and the ranging end of the first laser range finder and the ranging end of the second laser range finder are arranged in the same height and horizontal direction.
As a further description of the above technical solution:
the specific processing procedure of the angle measuring unit is as follows:
s81: in the puncture process, simultaneously starting the first laser range finder and the second laser range finder;
s82: the first laser range finder measures the vertical distance h2 from the first reflector plate to the first laser range finder, and the second laser range finder measures the vertical distance h1 from the second reflector plate to the second laser range finder;
s83: the first laser range finder and the second laser range finder transmit measured data to the controller, the controller calculates the height difference x between the first reflector plate and the second reflector plate, wherein x is h2-h1, and the distance between the first laser range finder and the second laser range finder is b; (ii) a
S84: the controller calculates an included angle alpha between the infusion needle and the horizontal plane, and tan alpha is x/b;
s85: and according to the tangent function value table, a second signal output end of the controller outputs the angle value of alpha.
The invention has the following beneficial effects:
1. utilize light signal emission unit, banned the use of aseptic liquid and disposable hose, because light signal emission unit can use repeatedly, avoided medical resource's loss, practiced thrift the teaching cost.
2. The signal detection unit is matched with the optical signal emission unit, so that whether the infusion needle is successfully inserted into the correct position can be detected, and specific feedback data is provided for a teacher to judge whether the student correctly learns the venipuncture technology.
3. By utilizing the angle measuring unit, when a student conducts puncture training, the angle of the infusion needle inserted into the vein is fed back in time, whether the insertion angle meets the puncture requirement or not is judged, the puncture technique of the student is corrected in time, the student is guided to conduct technical adjustment in time, and the teaching efficiency and the teaching quality are improved.
Drawings
Fig. 1 is a schematic structural diagram of an intravenous infusion set for nursing teaching.
Fig. 2 is a schematic view of the use state of the intravenous infusion set for nursing teaching.
In the figure, 1, an infusion needle; 2. a first limit ring; 3. a second stop collar; 4. a needle handle; 5. pipe sleeve; 6. a first laser range finder; 7. a second laser rangefinder; 201. a first reflective sheet; 301. a second reflective sheet; 302. a laser emitter.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the intravenous infusion apparatus for nursing teaching comprises an infusion needle 1, a needle handle 4 and a tube sleeve 5, wherein the infusion needle 1 is communicated with one end of the tube sleeve 5, the infusion needle 1 is connected to the tube sleeve 5, the side wall of the tube sleeve 5 is fixedly connected with the needle handle 4, and the intravenous infusion apparatus further comprises an optical signal transmitting unit, the optical signal transmitting end of the optical signal transmitting unit is communicated with the other end of the tube sleeve 5, and the optical signal transmitting unit is used for transmitting optical signals into the infusion needle 1;
the signal detection unit is used for detecting the optical signal emitted by the optical signal emission unit;
a feedback unit disposed on the pipe sleeve 5;
the output end of the angle measuring unit corresponds to the feedback unit, the angle measuring unit is arranged below the feedback unit, and the angle measuring unit is used for measuring the puncture angle of the transfusion needle 1.
The signal detection unit comprises an arm injection model, a plurality of rubber tubes, a controller and a photosensitive resistor, the rubber tubes simulate blood vessels to be distributed in the arm injection model, the photosensitive resistor is attached to the inner wall of each rubber tube, and the signal output end of the photosensitive resistor is connected with the first signal input end of the controller.
It should be noted that the arm injection model, the rubber tube, the controller and the photoresistor are all the prior art, and the invention is not created in a single structure or circuit, but is characterized in that the aim of detecting optical signals is achieved by utilizing the cooperation among the arm injection model, the rubber tube, the controller and the photoresistor, and the aim of detecting whether the infusion needle 1 is successfully inserted into the rubber tube is achieved.
It is worth noting that the photoresistor is only attached to the inner side of the rubber tube and is only arranged at the bottom of the rubber tube.
The pipe sleeve 5 comprises a first limiting ring 2 and a second limiting ring 3, the first limiting ring 2 is sleeved at one end of the pipe sleeve 5, the second limiting ring 3 is sleeved at the other end of the pipe sleeve 5, and threads are arranged on the inner wall of the second limiting ring 3.
The optical signal transmitting unit comprises a laser transmitter 302 and a shell, the laser transmitter 302 is installed in the shell, threads are arranged on the periphery of the shell, the shell is arranged in the second limiting ring 3, and the shell is in threaded connection with the second limiting ring 3.
Preferably, the laser transmitter 302 is a small laser transmitter 302, and the laser transmitter 302 is in the prior art, and the laser transmitter 302 is powered by an external power supply, and due to the arrangement of the screw thread, the laser transmitter 302 is convenient to mount and dismount, convenient to maintain, and reusable.
The feedback unit comprises a first reflector plate 201 and a second reflector plate 301, the first reflector plate 201 is attached to the surface of the first limiting ring 2, and the second reflector plate 301 is attached to the surface of the second limiting ring 3.
The specific processing procedure of the signal detection unit is as follows:
s61: starting the laser transmitter 302 to enable laser to be emitted from the infusion needle 1;
s62: holding the needle handle 4, and inserting the infusion needle 1 into the arm injection model;
s63: the transfusion needle 1 is inserted into a rubber tube, so that laser is injected into the rubber tube;
s64: when the photoresistor in the rubber tube is irradiated by laser, the photoresistor outputs signals to the controller;
s65: when the first signal input end of the controller receives the signal of the photoresistor, the first signal output end of the controller outputs a signal indicating that the puncture is completed, otherwise, S66 is executed;
s66: when the first signal input end of the controller does not receive the signal of the photoresistor, the controller does not output the signal.
Further, the angle measuring unit comprises a first laser range finder 6 and a second laser range finder 7, the first laser range finder 6 is embedded in the arm injection model, the second laser range finder 7 is embedded in the arm injection model, the distance measuring end of the first laser range finder 6 corresponds to the first reflector plate 201, the distance measuring end of the second laser range finder 7 corresponds to the second reflector plate 301, the signal output end of the first laser range finder 6 is connected with the second signal input end of the controller, the signal output end of the second laser range finder 7 is connected with the third signal input end of the controller, and the distance measuring end of the first laser range finder 6 and the distance measuring end of the second laser range finder 7 are arranged in the same height and horizontally.
As shown in fig. 2, the specific processing procedure of the angle measuring unit is as follows:
s81: in the puncture process, the first laser range finder 6 and the second laser range finder 7 are started simultaneously;
s82: the first laser range finder 6 measures the vertical distance h2 from the first reflection sheet 201 to the first laser range finder 6, and the second laser range finder 7 measures the vertical distance h1 from the second reflection sheet 301 to the second laser range finder 7;
s83: the first laser distance meter 6 and the second laser distance meter 7 transmit the measured data to the controller, the controller calculates the height difference x between the first reflector 201 and the second reflector 301, x is h2-h1, and the distance between the first laser distance meter 6 and the second laser distance meter 7 is b;
s84: the controller calculates an included angle alpha between the infusion needle 1 and a horizontal plane, and tan alpha is x/b; (ii) a
S85: and according to the tangent function value table, a second signal output end of the controller outputs the angle value of alpha.
Finally, the instructor can judge whether the student has completed the puncture process correctly according to the signal fed back from the controller.
In conclusion, the invention has the following beneficial effects:
1. utilize light signal emission unit, banned the use of aseptic liquid and disposable hose, because light signal emission unit can use repeatedly, avoided medical resource's loss, practiced thrift the teaching cost.
2. By utilizing the signal detection unit and matching with the optical signal emission unit, whether the infusion needle 1 is successfully inserted into the correct position can be detected, and specific feedback data is provided for teachers to judge whether students correctly learn the venipuncture technology.
3. By utilizing the angle measuring unit, when a student conducts puncture training, the angle of the infusion needle 1 inserted into a vein is fed back in time, whether the insertion angle meets the puncture requirement or not is judged, the puncture technique of the student is corrected in time, the student is guided to conduct technical adjustment in time, and the teaching efficiency and the teaching quality are improved.
Claims (8)
1. Nursing teaching is with vein transfusion system, including infusion needle (1), needle handle (4) and pipe box (5), infusion needle (1) with the one end intercommunication of pipe box (5), infusion needle (1) is connected on pipe box (5), the lateral wall of pipe box (5) with needle handle (4) fixed connection, its characterized in that: the infusion needle is characterized by further comprising an optical signal transmitting unit, wherein the optical signal transmitting end of the optical signal transmitting unit is communicated with the other end of the pipe sleeve (5), and the optical signal transmitting unit is used for transmitting optical signals into the infusion needle (1);
the signal detection unit is used for detecting the optical signal emitted by the optical signal emission unit;
a feedback unit arranged on the pipe sleeve (5);
the output end of the angle measuring unit corresponds to the feedback unit, the angle measuring unit is arranged below the feedback unit, and the angle measuring unit is used for measuring the puncture angle of the transfusion needle (1).
2. The intravenous infusion set for nursing teaching of claim 1, characterized in that: the signal detection unit comprises an arm injection model, a plurality of rubber tubes, a controller and a photosensitive resistor, wherein the rubber tubes simulate blood vessels to be distributed in the arm injection model, the photosensitive resistor is attached to the inner wall of each rubber tube, and the signal output end of the photosensitive resistor is connected with the first signal input end of the controller.
3. The intravenous infusion set for nursing teaching of claim 2, characterized in that: the pipe sleeve (5) comprises a first limiting ring (2) and a second limiting ring (3), the first limiting ring (2) is sleeved at one end of the pipe sleeve (5), the second limiting ring (3) is sleeved at the other end of the pipe sleeve (5), and threads are arranged on the inner wall of the second limiting ring (3).
4. The intravenous infusion set for nursing teaching of claim 3, characterized in that: the optical signal transmitting unit comprises a laser transmitter (302) and a shell, the laser transmitter (302) is installed in the shell, threads are arranged on the periphery of the shell, the shell is arranged in the second limiting ring (3), and the shell is in threaded connection with the second limiting ring (3).
5. The intravenous infusion set for nursing teaching of claim 3, characterized in that: the feedback unit comprises a first reflection sheet (201) and a second reflection sheet (301), the first reflection sheet (201) is attached to the surface of the first limiting ring (2), and the second reflection sheet (301) is attached to the surface of the second limiting ring (3).
6. The intravenous infusion set for nursing teaching of claim 4, characterized in that: the specific processing procedure of the signal detection unit is as follows:
s61: activating the laser transmitter (302) to enable laser to be emitted from the infusion needle (1);
s62: holding the needle handle (4), and inserting the infusion needle (1) into the arm injection model;
s63: the transfusion needle (1) is inserted into a rubber tube, so that laser is emitted into the rubber tube;
s64: when the photoresistor in the rubber tube is irradiated by laser, the photoresistor outputs signals to the controller;
s65: when the first signal input end of the controller receives the signal of the photoresistor, the first signal output end of the controller outputs a signal indicating that the puncture is completed, otherwise, S66 is executed;
s66: when the first signal input end of the controller does not receive the signal of the photoresistor, the controller does not output the signal.
7. The intravenous infusion set for nursing teaching of claim 5, characterized in that: the angle measuring unit comprises a first laser range finder (6) and a second laser range finder (7), the first laser range finder (6) is embedded in the arm injection model, the second laser range finder (7) is embedded in the arm injection model, the ranging end of the first laser range finder (6) corresponds to the first reflector plate (201) and is arranged, the ranging end of the second laser range finder (7) corresponds to the second reflector plate (301) and is arranged, the signal output end of the first laser range finder (6) is connected with the second signal input end of the controller, the signal output end of the second laser range finder (7) is connected with the third signal input end of the controller, and the ranging end of the first laser range finder (6) and the ranging end of the second laser range finder (7) are arranged in equal height and horizontally.
8. The intravenous infusion set for nursing teaching of claim 7, wherein: the specific processing procedure of the angle measuring unit is as follows:
s81: in the puncture process, the first laser range finder (6) and the second laser range finder (7) are started simultaneously;
s82: the first laser range finder (6) measures the vertical distance h2 from the first reflector plate (201) to the first laser range finder (6), and the second laser range finder (7) measures the vertical distance h1 from the second reflector plate (301) to the second laser range finder (7);
s83: the first laser distance meter (6) and the second laser distance meter (7) transmit the measured data to the controller, the controller calculates the height difference x between the first reflector plate (201) and the second reflector plate (301), wherein x is h2-h1, and the distance between the first laser distance meter (6) and the second laser distance meter (7) is b;
s84: the controller calculates an included angle alpha between the infusion needle (1) and the horizontal plane, and tan alpha is x/b;
s85: and according to the tangent function value table, a second signal output end of the controller outputs the angle value of alpha.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110783287.XA CN113450637B (en) | 2021-07-12 | 2021-07-12 | Intravenous infusion apparatus for nursing and teaching |
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|---|---|---|---|
| CN202110783287.XA CN113450637B (en) | 2021-07-12 | 2021-07-12 | Intravenous infusion apparatus for nursing and teaching |
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| CN113450637B CN113450637B (en) | 2023-08-11 |
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