CN105118350A - Novel quantifiable intravenous injection and puncture simulation training device - Google Patents
Novel quantifiable intravenous injection and puncture simulation training device Download PDFInfo
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- CN105118350A CN105118350A CN201510467980.0A CN201510467980A CN105118350A CN 105118350 A CN105118350 A CN 105118350A CN 201510467980 A CN201510467980 A CN 201510467980A CN 105118350 A CN105118350 A CN 105118350A
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- syringe needle
- puncture
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- force snesor
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Abstract
The invention relates to a novel quantifiable intravenous injection and puncture simulation training device, including a shell, a syringe needle, a cap, a connecting rod, a base and a force sensor. The syringe needle is clamped on the connecting rod and is connected with the force sensor, the force sensor is fixed to the shell through the base, and puncture force is transmitted to the force sensor through the connecting rod, thereby realizing measurement of the puncture force. The beneficial effects of the novel quantifiable intravenous injection and puncture simulation training device provided by the invention are that a blood return situation is observed through a special extraction method of a syringe needle plastic tube; and the puncture force can be measured in real time, a change of the puncture force in processes that the syringe needle misses a blood vessel and advances after stabbing into the blood vessel is displayed, the internal structure limits a maximum stroke of movement of the syringe needle, thereby protecting the force sensor from being damaged, and medical staff reduce the puncture force by adjusting a technical action, thereby achieving an optimal injection and puncture training effect. In addition, small and exquisite design of the device enables the device to be similar to a real application situation, thereby facilitating transition of the technical action mastered by the medical staff from practice to clinical application.
Description
Technical field
The invention belongs to clinical medicine and biomechanics field, relate to and a kind of novelly quantize intravenous injection and puncture analog training device.
Background technology
Intravenous injection and puncture are clinical commonly using and very important technological means, have damaging, easily patient pain is caused, if the misery of puncture failure meeting making patients, for children and old man in intravenous injection and piercing process, the injury caused is more remarkable, affect the treatment, for the rescue of urgent patient, one-time puncture success is most important, if misoperation, possible threat to life.Therefore, as medical personnel, skilled grasp intravenous injection and puncture technique very crucial.As a clinical technology, the raising of intravenous injection and puncture technique needs medical personnel to accumulate experience, but can not test with it patient.At present, have intravenous injection and puncturing pattern to practise puncture technique for medical personnel, due to such analog training device in process of the test without any feedback, be difficult to improve technical level; In order to improve injection and puncture level, there are part medical personnel to adopt worthless mode, use the vein of oneself to practise.
In intravenous injection and piercing process, because puncture force is very little, process of thrusting is very of short duration, and the size of puncture dynamics directly determines the pain degree of patient and the degree of injury to blood vessel.At present, do simulated exercises in intravenous injection and piercing process medical personnel, there is no the analog training device that can feed back puncture dynamics, be difficult to improve puncture gimmick, this problem urgently to be resolved hurrily.
Summary of the invention
The present invention is to overcome the deficiencies in the prior art, invention one is novel quantizes intravenous injection and puncture analog training device, overcome medical personnel to do simulated exercises in process without any feedback, be difficult to the defect of improving technical level, this analog training device can measure the situation of change of syringe needle puncture force in real time, help medical personnel to understand self-technique shortcoming, improve technical level.
In order to achieve the above object, technical scheme of the present invention is:
One is novel quantizes intravenous injection and puncture analog training device, comprises shell, syringe needle, block, connecting link, base and force snesor.
Described shell is divided into two parts, and a part has recessed, and a part has projection, and recessed and projection interlocks, and realizes assembling; The top of shell is cone-shaped body, a round hole is had above cone-shaped body, shell the first half is right cylinder, there is a through hole right cylinder side, the latter half is square body, and there is a through hole side of square body, and enclosure is emptied according to the shape of each part, for fixing internal part, have support, protective action concurrently.
Described syringe needle is metal material, and be placed in the round hole part of cover top portion cone-shaped body, syringe needle lower end is connected with syringe needle plastic pipe, and syringe needle has been used for injection and piercing process.
Described block is used for fixed needle, and be right cylinder, have the hole of up/down perforation, hole is divided into upper and lower two parts, and the first half aperture is greater than the metal tube external diameter of syringe needle, and the latter half aperture is less than the external diameter of the circular contour that connecting link upper end two intermediate plate is formed; By block through syringe needle, be enclosed within two intermediate plates, because the latter half aperture is less than the external diameter of the circular contour that two intermediate plates are formed, two intermediate plates are forced to produce elastic deformation, clamping syringe needle, the friction force that syringe needle and two intermediate plates produce is greater than puncture force, and when syringe needle punctures, puncture force is conducted to force snesor by connecting link.
Described connecting link is used for attachment force sensor and syringe needle, and transmit protection sensor while puncture force, connecting link is divided into three sections, and upper end is the right cylinder that there is space both sides that two pieces of symmetrical fan-shaped intermediate plates are formed, and stage casing is circular lattice gears, and lower end is threaded rod; The upper end intermediate plate of connecting link is for clamping syringe needle, syringe needle plastic pipe is derived by the space between two pieces of intermediate plates and shell the first half cylindrical sides through hole successively, be fixed on shell side, avoid the measurement of syringe needle plastic pipe Activity Effects puncture force, realize, while measurement puncture force, observing the blood back situation after venipuncture success simultaneously; Above the disk that the circular lattice gear in stage casing is installed on center drilling in shell the first half right cylinder within the scope of 0.1 ~ 1 millimeter; The threaded rod of lower end is connected with the threaded hole of force snesor upper end.
Described base is made up of circular base plate and whorl of base bar, and circular base plate is arranged in the rounded groove of shell the latter half square body, and whorl of base bar is connected with the threaded hole of force snesor lower end, for bed knife sensor.
Described force snesor is square body, be installed in shell the latter half square groove, fixed by base and shell, the two ends up and down of force snesor are threaded hole, the threaded hole of upper end is connected with the threaded rod of connecting link, the threaded hole of lower end is connected with whorl of base bar, and the side of force snesor is connected with force snesor wire, and the range of force snesor is 0 ~ 10N.
This analog training device measures the method for puncture force, be the mode adopting syringe needle to combine with force snesor, by force snesor, puncture force signal be converted to electric signal, then convert electrical signals to digital signal by digital transmitter, output to host computer, measure the size of puncture force in real time; This analog training device adopts the mode protection sensor of displacement restriction not to be damaged, and when needle displacement increases to a certain degree, circular lattice gear and the disk contact of center drilling, stop needle displacement to increase further.
Force snesor combines with syringe needle by the present invention; by connecting link, puncture force is conducted to force snesor; the size of puncture force can be measured in real time; the change of puncture force in the process of advancing after display syringe needle pricks blood vessel and penetrates blood vessel; inner structure defines the cephalomotor range of pin, and protection sensor is not damaged.Medical personnel hold this analog training device, in intravenous injection and the enterprising row vein injection of puncture arm models and puncture training process, the size of puncture force can be obtained, and the size of puncture force and the pain of patient proportional, medical personnel can by the action of adjustment oneself and the size of exerting oneself, reduce puncture force, reach best training effect.This analog training device enables to observe blood back situation while measurement puncture force by the special lead-out mode of syringe needle plastic pipe.Syringe needle can be demonstrated and prick the situation of change that blood vessel and syringe needle penetrate puncture force in multiple situation in blood vessel traveling process, than being observed by simple blood back and artificially feeling more effective, greatly help medical personnel to understand self-technique shortcoming, timely adjustment technology action, improve training effect.In addition, this analog training device shelling machine is small and exquisite, flexible, light, and shell the first half profile is similar to actual syringe needle, is convenient to medical personnel and the technical movements of grasp are transitioned into clinical practice from doing simulated exercises.
Accompanying drawing explanation
Fig. 1 quantizes intravenous injection and puncture analog training device schematic diagram for one is novel.
Fig. 2 is analog training device partial enlarged drawing.
In figure: 1 syringe needle; 2 blocks; 3 recessed protruding; 4 intermediate plates; 5 connecting links; 6 disks; 7 shells; 8 force snesor; 9 whorl of base bars; 10 rounded groove; 11 circular base plate; 12 bases; 13 force snesor wires; 14 through holes; 15 threaded rods; 16 circular lattice gears; 17 syringe needle plastic pipes; 18 through holes.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
Whorl of base bar 9 is twisted with the threaded hole of force snesor 8 lower end, connecting link lower end threaded rod 15 is twisted with the threaded hole of force snesor 8 upper end, after syringe needle plastic pipe 17 is fixedly connected with the lower end of syringe needle 1, the intermediate plate 4 syringe needle 1 being put into connecting link 5 upper end is middle, after block 2 being overlapped the metal needle of syringe needle 1, cover on the upper end intermediate plate 4 of connecting link 5, syringe needle 1 is fixed.
After above-mentioned assembling parts is good, be together fixed in shell 7.The bottom circular base plate 11 of base 12 is made to buckle in the latter half rounded groove 10 of shell 7; by the degree of depth regulating connecting link 5 to be screwed into force snesor 8; make the circular lattice gear 16 in the stage casing of connecting link 5 be positioned at 0.1 ~ 1 millimeter of scope above shell 7 the first half center drilling disk 6, circular lattice keep off 16 protection sensors 8 and are without prejudice.
Syringe needle plastic pipe 17 is stuck in the first half side through hole 18 of shell 7, force snesor wire 13 is stuck in the latter half side through hole 14 of shell 7, this fixed form, syringe needle plastic pipe 17 and force snesor wire 13 is made all to be fixed on shell 7, what prevent syringe needle plastic pipe 17 and force snesor wire 13 pulls introducing additional force, affects the measurement of puncture force.
Finally be placed on this half-shells by second half shell, recessed and projection interlocks, and plays fixation, simultaneously for convenience detach.Force snesor wire 13 is accessed host computer by digital transmitter, opening power, this analog training device hand-held, puncture test is carried out to medical simulation arm, the size of puncture force can be seen from the digital independent software host computer, thus can judge that whether puncture gimmick is suitable, and then adjustment technology action, make by trainer to the concept being punctured with quantification, clearly complete injection and puncture simulated training.
Claims (2)
1. novelly quantize intravenous injection and a puncture analog training device, a kind of novelly quantize intravenous injection and sting device comprises shell (7), syringe needle (1), block (2), connecting link (5), base (12) and force snesor (8);
Described shell (7) is two parts, and a part has recessed, and a part has projection, and recessed and projection interlocks, and realizes assembling; The top of shell (7) is cone-shaped body, a round hole is had above cone-shaped body, shell (7) the first half is right cylinder, there is a through hole (18) right cylinder side, the latter half is square body, there is a through hole (14) square body side, and shell (7) inside is emptied according to the shape of each part, for fixing internal part;
Described syringe needle (1) is metal material, is placed in the round hole part of shell (7) top tapered body, and syringe needle (1) lower end is connected with syringe needle plastic pipe (17);
Described block (2) is for fixed needle (1), block (2) is right cylinder, have the hole of up/down perforation, hole is divided into upper and lower two parts, the first half aperture is greater than the metal tube external diameter of syringe needle (1), and the latter half aperture is less than the external diameter of the cylindrical profile that connecting link (5) upper end two intermediate plate (4) is formed; (2) will be blocked a shot through syringe needle (1), be enclosed within two intermediate plates (4), the latter half aperture is less than the external diameter of the cylindrical profile that two intermediate plates (4) are formed, and two intermediate plates (4) produce elastic deformation clamping syringe needle (1); The friction force that syringe needle (1) and two intermediate plates (4) produce is greater than puncture force, and when syringe needle (1) punctures, puncture force is conducted to force snesor (8) by connecting link (5);
Described connecting link (5), for attachment force sensor (8) and syringe needle (1), transmits protection sensor (8) while puncture force; Connecting link (5) is divided into three sections, and upper end is the right cylinder that there is space both sides that two pieces of symmetrical fan-shaped intermediate plates (4) are formed, and stage casing is circular lattice gear (16), and lower end is threaded rod (15); Connecting link (5) upper end intermediate plate (4) is for clamping syringe needle (1), syringe needle plastic pipe (17) is derived by the space between two pieces of intermediate plates (4) and shell (7) the first half cylindrical sides through hole (18) successively, is fixed on shell (7) side; Circular lattice gear (16) in stage casing are installed within the scope of 0.1 ~ 1 millimeter, disk (6) top of center drilling in shell (7) the first half right cylinder; Lower end threaded rod (15) is connected with the threaded hole of force snesor (8) upper end;
Described base (12) is made up of circular base plate (11) and whorl of base bar (9), circular base plate (11) is arranged in the rounded groove (10) of shell (7) the latter half square body, whorl of base bar (9) is connected with the threaded hole of force snesor (8) lower end, for bed knife sensor (8);
Described force snesor (8) is square body, be installed in shell (7) the latter half square groove, fixed by base (12) and shell (7), the two ends up and down of force snesor (8) are threaded hole, threaded upper ends hole is connected with the threaded rod (15) of connecting link, lower end threaded hole is connected with whorl of base bar (9), the side of force snesor (8) is connected with force snesor wire (13), and the range of force snesor (13) is 0 ~ 10N.
2. use the analog training device described in claim 1 to measure the method for puncture force, it is characterized in that, adopt the mode that syringe needle (1) combines with force snesor (8), by force snesor (8), puncture force signal is converted to electric signal, digital signal is converted electrical signals to again by digital transmitter, output to host computer, measure the size of puncture force in real time; The mode protection sensor (8) of displacement restriction is adopted not to be damaged; when syringe needle (1) displacement increases to a certain degree; circular lattice gear (16) contact with the disk (6) of center drilling, stop syringe needle (1) displacement to increase further.
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| CN201510467980.0A CN105118350B (en) | 2015-07-31 | 2015-07-31 | One kind is new to be quantified to be injected intravenously and puncture analog training device |
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| CN201510467980.0A CN105118350B (en) | 2015-07-31 | 2015-07-31 | One kind is new to be quantified to be injected intravenously and puncture analog training device |
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| CN105118350A true CN105118350A (en) | 2015-12-02 |
| CN105118350B CN105118350B (en) | 2017-06-23 |
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Cited By (12)
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| CN105797244A (en) * | 2016-03-03 | 2016-07-27 | 大连理工大学 | Intravenous injection and puncture force measuring device suitable for clinical application |
| US10235904B2 (en) | 2014-12-01 | 2019-03-19 | Truinject Corp. | Injection training tool emitting omnidirectional light |
| US10269266B2 (en) | 2017-01-23 | 2019-04-23 | Truinject Corp. | Syringe dose and position measuring apparatus |
| US10290232B2 (en) | 2014-03-13 | 2019-05-14 | Truinject Corp. | Automated detection of performance characteristics in an injection training system |
| US10500340B2 (en) | 2015-10-20 | 2019-12-10 | Truinject Corp. | Injection system |
| CN110838251A (en) * | 2018-08-15 | 2020-02-25 | 苏州敏行医学信息技术有限公司 | Intelligent training method and system for venous transfusion |
| CN110838253A (en) * | 2018-08-15 | 2020-02-25 | 苏州敏行医学信息技术有限公司 | Intravenous injection intelligent training method and system |
| US10643497B2 (en) | 2012-10-30 | 2020-05-05 | Truinject Corp. | System for cosmetic and therapeutic training |
| US10648790B2 (en) | 2016-03-02 | 2020-05-12 | Truinject Corp. | System for determining a three-dimensional position of a testing tool |
| US10743942B2 (en) | 2016-02-29 | 2020-08-18 | Truinject Corp. | Cosmetic and therapeutic injection safety systems, methods, and devices |
| US10849688B2 (en) | 2016-03-02 | 2020-12-01 | Truinject Corp. | Sensory enhanced environments for injection aid and social training |
| US10896627B2 (en) | 2014-01-17 | 2021-01-19 | Truinjet Corp. | Injection site training system |
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| US10643497B2 (en) | 2012-10-30 | 2020-05-05 | Truinject Corp. | System for cosmetic and therapeutic training |
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| US10290232B2 (en) | 2014-03-13 | 2019-05-14 | Truinject Corp. | Automated detection of performance characteristics in an injection training system |
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| US10500340B2 (en) | 2015-10-20 | 2019-12-10 | Truinject Corp. | Injection system |
| US12070581B2 (en) | 2015-10-20 | 2024-08-27 | Truinject Corp. | Injection system |
| US10743942B2 (en) | 2016-02-29 | 2020-08-18 | Truinject Corp. | Cosmetic and therapeutic injection safety systems, methods, and devices |
| US10849688B2 (en) | 2016-03-02 | 2020-12-01 | Truinject Corp. | Sensory enhanced environments for injection aid and social training |
| US10648790B2 (en) | 2016-03-02 | 2020-05-12 | Truinject Corp. | System for determining a three-dimensional position of a testing tool |
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| CN105797244A (en) * | 2016-03-03 | 2016-07-27 | 大连理工大学 | Intravenous injection and puncture force measuring device suitable for clinical application |
| US10269266B2 (en) | 2017-01-23 | 2019-04-23 | Truinject Corp. | Syringe dose and position measuring apparatus |
| US11710424B2 (en) | 2017-01-23 | 2023-07-25 | Truinject Corp. | Syringe dose and position measuring apparatus |
| CN110838253A (en) * | 2018-08-15 | 2020-02-25 | 苏州敏行医学信息技术有限公司 | Intravenous injection intelligent training method and system |
| CN110838251A (en) * | 2018-08-15 | 2020-02-25 | 苏州敏行医学信息技术有限公司 | Intelligent training method and system for venous transfusion |
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