CN104616577A - Radial artery puncture practice model and method - Google Patents
Radial artery puncture practice model and method Download PDFInfo
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Abstract
The invention relates to a radial artery puncture practice model and method and belongs to the technical field of medical machinery. The radial artery puncture practice model comprises an arm model, virtual intravascular and a pulse pressure pump. The arm model comprises virtual human skin, a virtual humeroradial tendon, a virtual carpi radialis flexor tendon and a radial artery channel, wherein the radial artery channel is located below the virtual human skin. The virtual intravascular is arranged in the radial artery channel and communicated with the pulse pressure pump so that virtual blood can be pumped into the virtual intravascular through the pulse pressure pump, and the human pulse can be simulated. Therefore, the radial artery puncture practice model enables the medical personnel to conduct puncture practice, improves the operating proficiency, relieves the pain of patients, can be repeatedly use due to the fact that the virtual intravascular and the virtual human skin can be replaced after being used, reduces the practice cost, and is simple in structure, real in simulation effect and simple and convenient in practice method.
Description
Technical field
The present invention relates to technical field of medical treatment mechanical, particularly medical experiment model and experimental technique technical field, specifically refer to a kind of radial artery puncturing exercise model and puncture exercising method.
Background technology
Radial artery (radial artery) puncture is operation comparatively conventional clinically at present, and employing radial artery puncturing is convenient, safety.But because its anatomical structure is comparatively thin, when especially radial artery pulse is more weak, venipuncture difficulty obviously increases, and repeatedly puncture too increases the misery of patient, more may occur intense strain further, cause Radial artery spasm, also bring certain difficulty to clinical puncture.Therefore, medical personnel need repeatedly to take exercise and could grasp this technology, but still there is no a model that can be used for radial artery puncturing exercise preferably at present, this makes medical personnel can only be promoted the level of radial artery puncturing by practice, practical operation limited opportunities, unskilled simultaneously due to medical personnel, also may the misery of making patients.
Day by day increase along with about this clinical manipulation demand of radial artery puncturing, how fast, successfully cultivate clinician, the puncture ability of medico become key issue with skill, therefore dissect according to radial artery, piercing method and feature provide a model that can be used in radial artery puncturing exercise to become this area problem demanding prompt solution.
Summary of the invention
The object of the invention is to overcome above-mentioned shortcoming of the prior art, there is provided one can simulate human anatomic structure preferably, medical personnel are provided to carry out emulation exercise, contribute to the proficiency promoting medical personnel, and then alleviate patient suffering, and structure is simple, application process is easy, and the cheap radial artery puncturing exercise model of use cost and puncture exercising method.
In order to realize above-mentioned object, radial artery puncturing exercise model of the present invention has following formation:
This radial artery puncturing exercise model comprises arm models, emulation blood vessel and pulse-pressure pump, described arm models comprises simulated humanbody skin, emulation brachioradialis tendon and emulation flexor carpi radialis muscle tendon, the position of described simulated humanbody skin, emulation brachioradialis tendon and emulation flexor carpi radialis muscle tendon meets human anatomic structure, have radial artery passage between described emulation brachioradialis tendon and emulation flexor carpi radialis muscle tendon, this radial artery passage is positioned at below described simulated humanbody skin; Described emulation blood vessel is placed in described radial artery passage, and one end of this emulation blood vessel is communicated with the emulation blood output terminal of pulse-pressure pump.
In this radial artery puncturing exercise model, the inwall of described radial artery passage and the outer wall of described emulation blood vessel fit tightly.
In this radial artery puncturing exercise model, described arm models is can opening type arm models, exposes described radial artery passage in the on-state.
In this radial artery puncturing exercise model, described opening type arm models can be provided with slide fastener, by slide fastener, described arm models is set to using state or described open mode.
In this radial artery puncturing exercise model, described simulated humanbody skin comprises interchangeable site of puncture and other position not interchangeable, and described site of puncture and other described position are mutually permanently connected.
In this radial artery puncturing exercise model, described pulse-pressure pump comprises power supply, the pump housing and control module; Described power supply connects the described pump housing and control module respectively; Emulation blood output terminal described in the described pump housing is communicated with; The pump housing described in described control module connects, in order to control pressure and the frequency of pump housing Output simulation blood.
The present invention also provides a kind of radial artery puncturing exercising method utilizing described radial artery puncturing exercise model realization, and the method comprises the following steps:
(1) described pulse-pressure pump is opened;
(2) the pulse-pressure pump described in setting, makes it start working according to the exercise condition preset;
(3) arm models described in puncture;
(4) the pulse-pressure pump described in closedown;
(5) described emulation blood vessel is set to the state that can next time practise.
In this radial artery puncturing exercising method, described arm models is can opening type arm models, and expose described radial artery passage in the on-state, described step (5) specifically comprises the following steps:
(51) open described opening type arm models, replace the emulation blood vessel in described radial artery passage.
In this radial artery puncturing exercising method, described simulated humanbody skin comprises interchangeable site of puncture and other position not interchangeable, and described site of puncture and other described position are mutually permanently connected, and the method is further comprising the steps of:
(6) site of puncture of the simulated humanbody skin described in replacement.
In this radial artery puncturing exercising method, described arm models is can opening type arm models, and expose described radial artery passage in the on-state, described step (5) specifically comprises the following steps:
(51 ＇) opens described opening type arm models, the emulation blood vessel in the radial artery passage below the site of puncture replacing described simulated humanbody skin.
Have employed radial artery puncturing of the present invention exercise model, because it comprises arm models, emulation blood vessel and pulse-pressure pump, described arm models comprises simulated humanbody skin, emulation brachioradialis tendon and emulation flexor carpi radialis muscle tendon, the position of described simulated humanbody skin, emulation brachioradialis tendon and emulation flexor carpi radialis muscle tendon meets human anatomic structure, have radial artery passage between described emulation brachioradialis tendon and emulation flexor carpi radialis muscle tendon, this radial artery passage is positioned at below described simulated humanbody skin; Described emulation blood vessel is placed in described radial artery passage, and this emulation blood vessel is communicated with the emulation blood output terminal of pulse-pressure pump.Thus pulse-pressure pump can be utilized to pump into emulation blood to emulation Ink vessel transfusing and simulate human pulse, medical personnel are made to utilize this model to carry out puncture exercise, contribute to the skilled operation degree promoting medical personnel, and then alleviate patient suffering, simultaneously, emulation blood vessel and even simulated humanbody skin can be changed after using, this model is reused, reduce exercise cost, and radial artery puncturing exercise model structure of the present invention is simple, simulate effect is true to nature, utilize model carry out puncture exercise method also quite easy.
Accompanying drawing explanation
Fig. 1 is the structural representation of radial artery puncturing of the present invention exercise model.
Fig. 2 is pulse-pressure pump structure schematic diagram in radial artery puncturing of the present invention exercise model.
Fig. 3 is the method flow diagram utilizing radial artery puncturing of the present invention exercise model to carry out radial artery puncturing exercise.
Embodiment
In order to more clearly understand technology contents of the present invention, describe in detail especially exemplified by following examples.
Referring to shown in Fig. 1, is the structural representation of radial artery puncturing exercise model of the present invention.
In one embodiment, this radial artery puncturing exercise model comprises arm models 1, emulation blood vessel 2 and pulse-pressure pump 3.Described arm models 1 is generally left forearm model, it comprises simulated humanbody skin 11, emulation brachioradialis tendon and emulation flexor carpi radialis muscle tendon, the position of described simulated humanbody skin 1, emulation brachioradialis tendon and emulation flexor carpi radialis muscle tendon meets human anatomic structure, have radial artery passage 12 between described emulation brachioradialis tendon and emulation flexor carpi radialis muscle tendon, this radial artery Channel 12-Bit is below described simulated humanbody skin 11; Described emulation blood vessel 2 is placed in described radial artery passage 12, and one end of this emulation blood vessel 2 is communicated with the emulation blood output terminal of pulse-pressure pump 3.Described pulse-pressure pump 3 is in order to pump into emulation blood to described emulation blood vessel 2.
Utilize the radial artery puncturing exercising method of the radial artery puncturing exercise model realization of this embodiment, as shown in Figure 3, comprise the following steps:
(1) described pulse-pressure pump is opened;
(2) the pulse-pressure pump described in setting, makes it start working according to the exercise condition preset;
(3) arm models described in puncture;
(4) the pulse-pressure pump described in closedown;
(5) described emulation blood vessel is set to the state that can next time practise.
In one more preferably embodiment, the inwall of described radial artery passage 12 and the outer wall of described emulation blood vessel 2 fit tightly.
Utilize this more preferably embodiment radial artery puncturing exercise model realization radial artery puncturing exercising method in, described step (5) can adopt following steps: one end of the emulation blood vessel described in dragging, and described emulation blood vessel is moved a certain distance in described radial artery passage.
Sealing property between emulation blood vessel 2 outer wall and radial artery passage 12 inwall is preferably in situation, the method effectively can improve the utilization factor of an emulation blood vessel 2, but when sealing property is not good enough, reuses an emulation blood vessel and can produce certain negative effect to the simulate effect of pulse.
In further preferred embodiment, described arm models 1 is can opening type arm models, exposes described radial artery passage 12 in the on-state.This opening type arm models can be provided with slide fastener, by slide fastener, described arm models is set to using state or described open mode.
In the radial artery puncturing exercising method of radial artery puncturing exercise model realization utilizing this further preferred embodiment, described step (5) specifically comprises the following steps:
(51) open described opening type arm models, replace the emulation blood vessel in described radial artery passage.
Further preferred embodiment in, described simulated humanbody skin 11 comprises interchangeable site of puncture 4 and other position not interchangeable, and described interchangeable site of puncture 4 is mutually permanently connected with other described position.And be replaceable emulation blood vessel 21 below this interchangeable site of puncture 4, two ends and the radial artery passage 12 of this replaceable emulation blood vessel 21 are mutually permanently connected, or the two ends of this replaceable emulation blood vessel 21 and the emulation blood vessel 2 in radial artery passage 12 are interfixed by the bindiny mechanisms such as grafting 22 and be communicated with.
Utilize this further preferred embodiment radial artery puncturing exercise model realization radial artery puncturing exercising method in, the method is further comprising the steps of:
(6) site of puncture of the simulated humanbody skin described in replacement.
Certainly, this radial artery puncturing exercise model also can adopt all-in-one-piece simulated humanbody skin 11, changes whole simulated humanbody skin 11, can improve simulate effect further after once using.
When the site of puncture of the simulated humanbody skin described in replacing, above-mentioned replaceable emulation blood vessel 21 also only can be replaced, to save use cost.
Meanwhile, in the radial artery puncturing exercising method of the radial artery puncturing exercise model realization of further preferred embodiment, described step (5) specifically comprises the following steps:
(51 ＇) opens described opening type arm models, the emulation blood vessel in the radial artery passage below the site of puncture replacing described simulated humanbody skin.
In preferred embodiment, as shown in Figure 2, described pulse-pressure pump 3 comprises power supply 32, the pump housing 31 and control module 33; Described power supply 32 connects the described pump housing 31 and control module 33 respectively; The described pump housing 31 is communicated with described emulation blood output terminal; Described control module 33 connects the described pump housing 31, in order to control pressure and the frequency of the pump housing 31 Output simulation blood.More specifically, described control module 33 can comprise pressure control unit and frequency control unit, and described pressure control unit and frequency control unit are connected the described pump housing respectively.Emulation blood output terminal is communicated with by a three-way valve 34 with between the emulation blood vessel 2 be arranged in arm models 1, and this three-way valve 34 flows to the emulation blood of emulation blood vessel 2 in order to open and to turn off.
In the practical application of radial artery puncturing model of the present invention, the material of model each several part composition and parameter as described below:
1, arm: the left hand forearm model that artificial material makes, size human simulation size; The skin layer of material simulated humanbody skin, design two tendons, i.e. brachioradialis tendon and flexor carpi radialis muscle tendon under skin, simulated blood vessel radial artery passes from centre, and arm side is equipped with a slide fastener, is convenient to the replacing of inner disposable material.
2, control part: by size and the power of Current adjustment pulse instrument frequency, make the adjustable extent of radial artery pulse frequency be 60-150 beat/min, pulse power also adjustable current power realizes.Control part is connected with a two-way valve, more than these parts is all single use material to radial artery, detachably changes.
3, power supply: power supply external socket, inner by power lead regulable control portion impulse ejection instrument, the frequency of regulating impulse instrument and size control speed and the power of radial artery pulse.
4, radial artery: radial artery fixes traveling in simulating the subcutaneous of arm, walks between brachioradialis tendon and flexor carpi radialis muscle tendon.Radial artery makes material for having certain flexible plastic pipe, makes there is small breakthrough sense during puncture.Radial artery and the red liquid medicine included are the disposable material abandoned, can substitute, and the breakthrough sense disappearance that preventing and treating punctures repeatedly causes and liquid medicine leak.
The method specifically utilizing this model to carry out puncturing can comprise the following steps:
1, set blood pressure and pulse frequency: for beginner, can blood pressure be set higher, as 140/90mmHg before puncture, such pulse is beaten comparatively strong, and be convenient to touch, frequency can be arranged on about 60-80 time, the pulse of such frequency is more clear, is convenient to puncture.For there being basis of necessarily puncturing, wanting the personnel improving puncture ability, can blood pressure be established lower, as 80-40mmHg, frequency is fast, 120-150 beat/min, simulated patient shock state, now, radial artery pulse is more weak, and location is difficulty slightly, improves venipuncture difficulty, trains high-quality personnel.
2, position is selected: point of puncture selection at processus styloideus radii near-end 1cm place, is equivalent to the 3rd rasceta place in arm oar side, selects traveling comparatively straight and obvious position of beating.
3, puncture: during puncture, the forefinger of puncture person's left hand, middle finger, namelessly put down gently from site of puncture in the most strength of arm radial artery pulse from far near successively, the direction of travel of instruction radial artery.Forefinger indication position is " target spot " of puncture, and three refer to that indication circuit is the direction of inserting needle, but finger presses should be avoided excessive, and to cause the blood flow of radial artery far-end to be obstructed, people is the difficulty adding puncture.
4, put pipe: if Aculeata is shown in that blood flows out after inserting needle, then send forward puncture needle to insert sleeve pipe a little; If have no Aculeata blood back after inserting needle, rush to return puncture needle, available left index finger judges the position relationship of now puncture needle and radial artery, withdraw puncture needle again to subcutaneous, inserting needle again behind adjustment needle point direction, if each inserting needle has no blood back, again puncture again after all should first judging the position of needle point.
5, judge: put pipe unobstructed after, extract puncture needle nook closing member, have " blood " in trochar and gush out, confirm put pipe success.Otherwise conduit is not in radial artery.
At present, radial artery application is increasingly extensive, and monitoring monitoring in patient blood gas's analysis, anesthesia clinically has wound arterial pressure, and the capable calcification score diagnosis and treatment of trans-radial etc., these all will adopt radial artery puncturing technology.The main medical procedure of carrying out radial artery puncturing that needs comprises following content:
1, puncture blood drawing gas, arterial blood gas analysis can objectively respond the nature and extent of respiratory failure, is to judge the reliable method of patient with or without anoxic and carbon dioxide retention.To instructing oxygen therapy, regulating the various parameter of mechanical ventilation and correction soda acid and EI all to have very important significance.Clinically, to the patient needing repeated multiple times detection vim and vigour, often select radial artery puncturing to gather ABS and do blood gaseous analysis, to assess the state of an illness and adjustment therapeutic scheme, therefore, require that medical worker skillfully grasps Radial Ateriopuncture.
2, the monitoring of wound artery is had in art, some urgent patients (as: shock patient), openheart surgery and other capital operations time, monitoring blood pressure being carried out to real-time change has very important clinical value, and this just needs to adopt invasive monitoring of blood pressure technology to realize.In clinical anesthesia, Bonding pressure sensor after normal employing radial artery puncturing, to have realized the monitoring of wound artery.Invasive blood pressure has now become the Main Means of urgent patient's hemodynamic monitoring, and it can in time and the blood pressure change of monitor patient.
3, trans-radial calcification score diagnosis and treatment art, through the classical pathway that skin femoral artery puncture is the capable Percutantnoeus coronary intervention diagnosis and treatment of patients with coronary heart disease, but have that patient's postoperative bedrest is long, position is limited many, the complication rate such as groin hemotoncus, arteriovenous fistula, skin diabrosis, thrombus is up to (2% ~ 8%), and along with the increase at age, success ratio and security such as also to reduce gradually at the deficiency.In recent years along with the miniaturization of cardiac catheter apparatus, the diagnosis and treatment of trans-radial capable calcification score become a kind of useful substituting gradually.From the Campeau L capable coronary artery revasualization of successful trans-radial and Kiemeneij F in 1993 first in 1989, since Laarman GJ success Accepted Coronary Artery Intervention Treatment via Radial Artery (TRI), clinical the diagnosis and treatment of trans-radial calcification score are in succession carried out both at home and abroad.It is little that Transradial Approach radiography has wound, and local vascular hemorrhage complication is few and postoperative without position restriction, and the advantages such as patient suffering is little, minimizing hospital stays have been clinical employing at present.
Successful radial artery puncturing is the prerequisite set up via radial artery, carry out radial artery interventional procedure smoothly, but compared to femoral artery, radial artery is comparatively tiny and be easy to spasm, so the operation easier of puncture radial artery is higher than femoral artery, especially for the patient that there are the unfavorable factors such as radial artery dysplasia, stress, puncture may become more difficult.Radial artery puncturing is first technical barrier of Transradial Artery interventional therapy, grasps the success ratio that specification, reasonably puncture technique are conducive to improving radial artery puncturing.
The Means and skills of radial artery puncturing mainly comprises following content:
1, Allen test
Answer routine to do Allen test before radial artery puncturing, object evaluates by ulnar artery Doppler flow mapping in one's hands.Patient with the hands thumb presses patient's right hand oar, ulnar artery simultaneously; Advise patient repeatedly firmly to clench fist and spread one's fingers and bleach to palm for 5 ~ 7 times; Unclamp the compressing to ulnar artery, continue to keep compressing radial artery, observe palm color.If palm reddened rapidly or recovers normal within 10 seconds, for Allen test is positive or normal.
2, the selection of point of puncture
Desirable point of puncture should be selected at the comparatively straight and obvious position of beating of radial artery traveling.Under normal circumstances, point of puncture is typically chosen in processus styloideus radii near-end 1cm place, because the traveling of this position radial artery is comparatively straight and phase his-and-hers watches are shallow, puncture is success easily, and the branch of radial artery at this position is relatively less, and the probability that puncture is strayed into branch vessel is less.But in some case, owing to being subject to the impact of the factors such as radial artery is tortuous, variation, this position may be not most suitable point of puncture, so the selection of point of puncture should vary with each individual.
3, the skill of local anaesthesia
When local infiltration anesthesia, the anaesthetic that before puncture, hypodermic injection is too much can cause the swelling of site of puncture, thus affects the judgement of patient to radial artery pulse, and then increase the difficulty of puncture, therefore advise subcutaneous a small amount of injection anaesthetic, and inserting needle should not be excessively dark, in order to avoid accidentally injure radial artery.
4, the gimmick of puncture
Stretched by patient's arm, raise, slightly to abduction, palmar surfaces of fingers is to pressing down, the palm back of the body is bent makes site of puncture skin naturally tighten in reverse arc shape, and Artery Vein is also corresponding stretching fixing, not easily roll during row puncture, now radial artery is also closer to body surface, easily holds depth of needle.Show with left hand and refer to the radial artery pulse of Fingertip touch for puncture, reduce the area that operator experiences pollex, puncture range shorter, easily find optimum puncturing point, one-time success rate significantly improves as far as possible.Pay special attention to patient's palmar surfaces of fingers to be carried on the back song as far as possible, site of puncture skin-tightening and radial artery are fixed, then goes to experience the radial artery pulse for puncture with finger fingertip, operator will be reduced as far as possible and experience the area of beating, reduce puncture scope, easily like this find optimum puncturing point.During anesthesia, local anaesthetics should not be too much excessively dark, and during puncture, should select the position puncture that artery traveling is straight, beat strong, needle angle is generally 30 ~ 45 °, and the speed of puncture needle forward and back wants slow, avoids puncture success and having been fallen back on outside blood vessel by puncture needle.During puncture by the forefinger of puncture person's left hand, middle finger, nameless to put down gently in the most strength of patient's radial artery pulse from far near successively from site of puncture, the direction of travel of instruction patient radial artery.Forefinger indication position is " target spot " of puncture, and three refer to that indication circuit is the direction of inserting needle, but finger presses should be avoided excessive, and to cause the blood flow of radial artery far-end to be obstructed, people is the difficulty adding puncture.If Aculeata is shown in that blood flows out after inserting needle, then before send puncture needle to insert sleeve pipe a little; If have no Aculeata blood back after inserting needle, rush rollback puncture needle, available left index finger judges the position relationship of now puncture needle and radial artery, withdraw puncture needle again to subcutaneous, inserting needle again behind adjustment needle point direction, if each inserting needle has no blood back, again puncture again after all should first judging the position of needle point.
Problems and thoughts common in radial artery puncturing process does not comprise following content:
1, puncture unsuccessful
Occur that the common cause of this situation has: (1) fail thorn in radial artery: if now still there is radial artery pulse, rush repeated puncture operation, should first analyze the possible cause causing puncture failure, then for different situations change puncture gimmick after inserting needle.(2) radial artery traveling in site of puncture is tortuous: inserting needle direction when being usually difficult to guarantee puncture is in this case consistent with radial artery traveling, and therefore puncture is difficult to successfully, and after needing to change point of puncture to the more straight position of radial artery traveling, row punctures again more.(3) radial artery generation spasm: often show as beating to weaken and even disappearing of radial artery in this case, now select blindly puncture may increase the weight of the degree of Radial artery spasm further, puncture of going again after waiting for radial artery pulse recovery is perhaps more wise selection, and the subcutaneous monobel that gives contributes to the release time after shortening Radial artery spasm also to have scholar to think.(4) puncture is partially formed hemotoncus: continue puncture at former position in such cases and be difficult to succeed, reselect point of puncture after should avoiding Hemorrhagic location.
2, pipe is put unsuccessful
Usually the reason of this situation is caused to have: (1) incomplete intravasation chamber, needle tip inclined-plane: in this case, the position of needle point may be positioned at antetheca or the rear wall of radial artery, and the degree of depth and needle angle of patient often by adjusting puncture needle make the complete intravasation chamber of needle point.(2) Radial artery spasm: in most cases, puncture assorted guide wire often can smoothly before give, generally can not bring too large obstacle to the foundation of via radial artery.(3) puncture needle enters radial artery branch: behind adjustment puncture needle position still cannot smoothly before send seal wire often point out this kind may, point of puncture is too common when wrist, normal need to move forward site of puncture to proximal part after inserting needle again.
" although The first is the best ", inserting needle punctures for the first time is successfully best result, but the case of accomplishing " hitting the nail on the head " is difficult to for some, we do not overemphasize the success ratio of the first pin puncture yet, must not therefore lose confidence, the phychology that patient only has maintenance good, could judge the possible cause causing puncture failure exactly, make correct selection.
Have employed radial artery puncturing of the present invention exercise model, because it comprises arm models, emulation blood vessel and pulse-pressure pump, described arm models comprises simulated humanbody skin, emulation brachioradialis tendon and emulation flexor carpi radialis muscle tendon, the position of described simulated humanbody skin, emulation brachioradialis tendon and emulation flexor carpi radialis muscle tendon meets human anatomic structure, have radial artery passage between described emulation brachioradialis tendon and emulation flexor carpi radialis muscle tendon, this radial artery passage is positioned at below described simulated humanbody skin; Described emulation blood vessel is placed in described radial artery passage, and this emulation blood vessel is communicated with the emulation blood output terminal of pulse-pressure pump.Thus pulse-pressure pump can be utilized to pump into emulation blood to emulation Ink vessel transfusing and simulate human pulse, medical personnel are made to utilize this model to carry out puncture exercise, contribute to the skilled operation degree promoting medical personnel, and then alleviate patient suffering, simultaneously, emulation blood vessel and even simulated humanbody skin can be changed after using, this model is reused, reduce exercise cost, and radial artery puncturing exercise model structure of the present invention is simple, simulate effect is true to nature, utilize model carry out puncture exercise method also quite easy.
In this description, the present invention is described with reference to its specific embodiment.But, still can make various amendment and conversion obviously and not deviate from the spirit and scope of the present invention.Therefore, instructions and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (10)
1. a radial artery puncturing exercise model, it is characterized in that, comprise arm models, emulation blood vessel and pulse-pressure pump, described arm models comprises simulated humanbody skin, emulation brachioradialis tendon and emulation flexor carpi radialis muscle tendon, the position of described simulated humanbody skin, emulation brachioradialis tendon and emulation flexor carpi radialis muscle tendon meets human anatomic structure, have radial artery passage between described emulation brachioradialis tendon and emulation flexor carpi radialis muscle tendon, this radial artery passage is positioned at below described simulated humanbody skin; Described emulation blood vessel is placed in described radial artery passage, and one end of this emulation blood vessel is communicated with the emulation blood output terminal of pulse-pressure pump.
2. radial artery puncturing exercise model according to claim 1, it is characterized in that, the inwall of described radial artery passage and the outer wall of described emulation blood vessel fit tightly.
3. radial artery puncturing according to claim 1 and 2 exercise model, is characterized in that, described arm models is can opening type arm models, exposes described radial artery passage in the on-state.
4. radial artery puncturing exercise model according to claim 3, it is characterized in that, described opening type arm models can be provided with slide fastener, by slide fastener, described arm models is set to using state or described open mode.
5. radial artery puncturing exercise model according to claim 1, it is characterized in that, described simulated humanbody skin comprises interchangeable site of puncture and other position not interchangeable, and described site of puncture and other described position are mutually permanently connected.
6. radial artery puncturing exercise model according to claim 1, it is characterized in that, described pulse-pressure pump comprises power supply, the pump housing and control module; Described power supply connects the described pump housing and control module respectively; Emulation blood output terminal described in the described pump housing is communicated with; The pump housing described in described control module connects, in order to control pressure and the frequency of pump housing Output simulation blood.
7. utilize a radial artery puncturing exercising method for the radial artery puncturing exercise model realization described in claim 1, it is characterized in that, described method comprises the following steps:
(1) described pulse-pressure pump is opened;
(2) the pulse-pressure pump described in setting, makes it start working according to the exercise condition preset;
(3) arm models described in puncture;
(4) the pulse-pressure pump described in closedown;
(5) described emulation blood vessel is set to the state that can next time practise.
8. radial artery puncturing exercising method according to claim 7, is characterized in that, described arm models is can opening type arm models, and expose described radial artery passage in the on-state, described step (5) specifically comprises the following steps:
(51) open described opening type arm models, replace the emulation blood vessel in described radial artery passage.
9. the radial artery puncturing exercising method according to claim 7 or 8, it is characterized in that, described simulated humanbody skin comprises interchangeable site of puncture and other position not interchangeable, and described site of puncture and other described position are mutually permanently connected, and the method is further comprising the steps of:
(6) site of puncture of the simulated humanbody skin described in replacement.
10. radial artery puncturing exercising method according to claim 9, is characterized in that, described arm models is can opening type arm models, and expose described radial artery passage in the on-state, described step (5) specifically comprises the following steps:
(51 ＇) opens described opening type arm models, the emulation blood vessel in the radial artery passage below the site of puncture replacing described simulated humanbody skin.
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Cited By (6)
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| CN104867388A (en) * | 2015-06-09 | 2015-08-26 | 山东大学 | Discrimination model and discrimination method for target positioning precision after puncture needle is implanted into animal soft tissue |
| CN105719548A (en) * | 2016-04-28 | 2016-06-29 | 上海市杨浦区中心医院 | Radial artery puncture model with artificial pulse |
| CN110534003A (en) * | 2019-09-30 | 2019-12-03 | 西安医学院第二附属医院 | It is a kind of for emulating the feed-through device of blood vessel |
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