CN101853600A - Blood vessel model and blood circulation simulating device using same - Google Patents

Abstract

The invention provides a blood vessel model used for simulating blood circulation, which is formed by processing a transparent or semitransparent material according to an aorta of the human body and is designed with a split structure which can be detached. The invention also provides a blood circulation simulation device, which comprises an experimental operation box, a liquid tank, a control main machine connected with the liquid tank for controlling the supply and discharge of simulative blood and the blood vessel model which is arranged in the experimental operation box and is in sealed communication with the liquid tank, wherein the experimental operation tank has an opening for minimally invasive appliance intervention, and the opening can be sealed. The blood vessel model and the blood circulation simulating device effectively solves the problems of high cost, invisible surgical process, difficult artery intervention surgical training and the like of the prior minimally invasive surgical operation exercises. The blood vessel model and the blood circulation simulating device mainly used on occasions such as artery minimally invasive intervention surgical experiments, surgical operation exercises, artery intervention surgery experimental performance tests and the like.

Description

A kind of vascular pattern and use the blood circulation analogue means of this vascular pattern

Technical field

The present invention relates to a kind of vascular pattern that is mainly used in purposes such as the performance test of artery interventional operation equipment, apparatus parametric measurement, surgical simulation experiment, more particularly, relate to a kind of blood circulation analogue means that uses this vascular pattern to carry out Wicresoft's interventional therapy simulated experiment.

Background technology

Because population aging day by day, the rising of the incidences of disease such as hypertension, diabetes, high fat of blood, and the developing rapidly of diagnostic imaging, the incidence of disease of arterial disease and discovery rate order benefit raise.The process that adopts traditional prosthetic vessel replacement to treat is very complicated, wound is big, mortality ratio is high, has safe and effective advantage and adopt endovascular graft intervention intravascular stent to carry out minimally-invasive treatment, thereby accepted by most doctors and patient, become the main methods of treatment of arterial disease.Especially for advanced age and the many patients of complication, first-selected especially, or even unique cure method.

Thing followed problem is need be with intravascular stent safety smooth and easy and be delivered to arterial vascular lesion locations exactly, this just requires endovascular graft to get involved intravascular stent and induction system is provided with the professional test device, this device energy sham operated condition test support and induction system performance parameter; Simultaneously, the operator can be familiar with internal blood vessel structure and blood circulation process, and can skillfully intravascular stent be got involved human vas quickly and accurately, to treat vascular diseases under low damage, few painful situation.Obviously, can not make the operator have aforementioned capabilities effectively already by static blood vessel picture.

At present, comparatively effectively the operation training of arteries Wicresoft interventional therapy operation and experiment mainly are to finish by zoopery, yet the animal blood vessels experiment has gap after all with the human vas experiment, and the zoopery cost is higher, it is repeatable low that operation technique is practised, operative process is not directly perceived, and aligning is executed Wicresoft's intervene operation really and brought certain influence equally.

Summary of the invention

It is a kind of transparent that one object of the present invention is to provide, and clear and intuitive and with low cost, reusable vascular pattern by inject simulate blood in this model, can show sanguimotor process intuitively.

For this reason, vascular pattern provided by the invention is simulated the machine-shaping of human body aorta vessel by transparent or semitransparent material, and is designed to detachable split-type structural, and the vascular pattern after the moulding can have aorta pectoralis and abdominal aorta respectively.In addition, described vascular pattern also can further comprise with aorta pectoralis and linking to each other with abdominal aorta and detachable bifurcated artery vascular pattern.Such design makes this vascular pattern to split according to actual needs, to be simulated at the blood circulation of aorta pectoralis or abdominal aorta and each bifurcated artery thereof especially.

Preferably, the similar performance of character such as the hardness of described transparent or semitransparent material, surfaceness, toughness and elasticity and human body artery blood vessel, thus be convenient in the intervene operation experimental performance parameter be measured.In addition, also advantageously the ratio of described vascular pattern be set to identical with the arterial vascular ratio of normal human, the true sense organ when increasing the operator and testing.

In order to guarantee the smooth circulation of simulate blood, the inner chamber of described vascular pattern should be set to unobstructed, and preferred on model the opening part of each bifurcated artery vascular pattern of corresponding arteries be provided with removable sealing-plug.

Alternatively, described transparent or semitransparent material can be selected from soft macromolecular materials such as soft PVC, silicon rubber.

Another object of the present invention is to provide a kind of blood circulation analogue means, by means of this analogue means, can dynamically show the blood circulation process in the blood vessel, particularly can carry out blood vessel by operating this analogue means, especially the interventional therapy simulated experiment of arterial vascular Wicresoft greatly improves operator's clinical manipulation ability.

For achieving the above object, blood circulation analogue means provided by the invention comprises the experimental implementation case, holds liquid case and main control system, this main control system with hold the liquid case and link to each other and be used to control that simulate blood is supplied with and discharge, wherein, be placed with in the experimental implementation case and hold the liquid case and seal the foregoing vascular pattern that is communicated with, also be provided with the opening that mis instruments gets involved on the described experimental implementation case, this opening can be sealed.In one embodiment, this opening can the packoff of O-ring seal type seals by for example adding; In another embodiment, can for example preferably adopting, rubber plug comes sealed open.Under latter event, mis instruments can directly be passed packoff, and the incision size that forms when entering packoff owing to mis instruments is very little, so still can keep the sealing state of experimental implementation case inside, and this set is very beneficial for recycling of control box, and cost effectively reduces.

In one embodiment, described experimental implementation case can be hierarchy, comprises blood vessel simulation layer, pipeline layer and drain layers etc.Wherein, the blood vessel simulation layer mainly is the operation technique Experimental Area, is used to place described vascular pattern, to observe the instant situation of simulate blood and operation technique experiment clear and intuitively; The pipeline layer is mainly placed the pipeline layer of simulate blood transfer pipeline, so that the pipeline of entire equipment is regular, concentrate on this layer compactly, when analogue means had the blood analog functuion of numerous capillaries, this layer was particularly favourable; Drain layers then is mainly used in experiment and finishes the back to the cleaning of simulate blood, and is clean in order to the liquid in the whole device is all got rid of, and prevents liquid corrosion equipment.

Advantageously, described experimental implementation case is made by transparent or semitransparent material, and the operator can observe described vascular pattern intuitively by the transparent or semitransparent loam cake of this experimental implementation case.

More preferably, the experimental implementation case can be made by transparent or semitransparent macromolecular material.Like this, blood circulation analogue means of the present invention can carry out pivot operation under X-ray machine, because experimental implementation case and vascular pattern all do not comprise hardware, the operator can only see under X-ray that the shape of vascular pattern reaches the wherein blood circulation process of dynamic similation, has effectively realized the realistic simulation to true surgical environments.

Further, described main control system can comprise control circuit, the hydraulic pump that links to each other with control circuit, monitoring element, and corresponding Electronic Display Panel and regulation and control button, wherein this monitoring element respectively with control circuit with hold the liquid case and link to each other and be used to monitor simulate blood temperature and hydraulic pressure, hydraulic pump can be simulated heart and carry simulate blood in vascular pattern.In one embodiment, this hydraulic pump can be positioned over and hold in the liquid case, to save accommodation space.Preferably, described monitoring element can be sensor.

As seen, the present invention has mainly solved the performance test and the checking of artery Wicresoft intervention apparatus under the surgical environments, can be widely used in each scientific research institution and the apparatus manufacturing company occasions such as aptitude test to the artery interventional operation equipment; Simultaneously, also efficiently solve in the existing Minimally Invasive Surgery operation practice problems such as cost height, surgical procedure are directly perceived, artery intervene operation training difficulty, can be used for the intervene operation experiment of arteries Wicresoft, operation technique exercise.

Description of drawings

More features of the present utility model and advantage will be by understanding further describing better of preferred implementation below in conjunction with accompanying drawing, wherein:

Fig. 1 is the synoptic diagram of the present invention's one preferred vascular pattern;

Fig. 2 is the perspective schematic view of blood circulation analogue means in an embodiment of the present invention;

Fig. 3 is the schematic plan of blood circulation analogue means shown in Figure 2;

Fig. 4 is the perspective schematic view of blood circulation analogue means in another preferred implementation of the present invention;

Fig. 5 is the schematic side elevation of blood circulation analogue means shown in Figure 4.

Description of reference numerals

1 vascular pattern, 10 aortas pectoralis

11 ascending arteries, 12 innominate arteries

13 left common carotid artery, 14 left subclavian arteries

Common iliac artery in 20abdominal aortas 21

22 outercommon iliac artery 30 sealing-plugs

40 interfaces

2 experimental implementation casees, 3 main control systems

31,32 Electronic Display Panels, 33 regulation and control buttons

6 openings

7 conduits, 71 feed tubes

72 drain pipes 8 hold the liquid case

9 sensors, 4 blood vessel simulation layers

5 pipeline layers, 6 drain layers

Embodiment

In order to understand the present invention better, be described further below in conjunction with specific embodiments of the invention, but it does not limit the present invention.

At first with reference to Fig. 1, it has schematically shown thevascular pattern 1 of the present invention's one preferred simulated aorta.The structure of this aorticblood tube model 1 and curved shape are made according to normal human's ratio, are 1: 1 with normal human's vessel ratios just, make that the eurythmy of whole vascular pattern is reasonable.Thisvascular pattern 1 is a split-type structural, is respectivelyaorta pectoralis 10 andabdominal aorta 20, and atinterface 40 places sealed engagement removably.Correspondingly, the model of each bifurcated artery blood vessel detachably is connected to aorta pectoralis or abdominal aorta at corresponding interface (not shown) place.Mould impression is unobstructed, all can be provided with opening in each end ofinnominate artery 12, leftcommon carotid artery 13, leftsubclavian artery 14, arteria iliaca communis, inside and outsidecommon iliac artery 21,22, and can use sealing-plug 30 to control its closed and unlatching.Wherein, the end face opening of the end face opening of ascendingartery 11 and interiorcommon iliac artery 21 is set to and go out the into circulation of analogue means sealed engagement with simulate blood solution.In addition, also be provided with the interface (not shown) with the interventional minimally-invasive apparatus at the end face of ascendingartery 11 and the end of left femoral artery (being common iliac artery).

Thisvascular pattern 1 can be mounted in the closed container, and the part perforate that contacts with femoral artery on container, tests to realize the importing from container outside.

Fig. 2 and Fig. 3 have schematically shown an embodiment of blood circulation analogue means of the present invention, inner structure for convenience of description, and the loam cake with control box removes.This analogue means comprisesexperimental implementation case 2, hold liquid case 8 and with hold liquid case 8 and link to each other and be used to control themain control system 3 that simulate blood is supplied with and discharged, wherein hold liquid case 8 and can place in themain control system 3 to reduce the volume space of whole device.

Vascular pattern 1 places in theexperimental implementation case 2, and by conduit 7 for example with hold 8 sealings of liquid case and be communicated with.Conduit 7 is provided withfeed tube 71 anddrain pipe 72, salable respectively ascending artery end face and the left femoral artery end (not shown) that is connected invascular pattern 1, whereinfeed tube 71 is connected to the liquid valve (not shown) that holds liquid case 8, anddrain pipe 72 is connected to the feed liquor valve (not shown) that holds liquid case 8.But on the both sides ofexperimental implementation case 2, be respectively equipped with the opening 6 of interventional minimally-invasive apparatus, the artery end face ofvascular pattern 1 in the position respective operations case of thisopening 6, and can be sealed.

Main control system 3 comprises control circuit, links to each other with control circuit and places the described liquid case 8 interior hydraulic pump (not shown) as simulate blood round-robin pressure source that hold, respectively with control circuit with hold the liquid case and link to each other and be used to monitor the sensor 9 of simulate blood temperature and hydraulic pressure, and correspondingElectronic Display Panel 31,32 and regulation and control button 33.By regulation andcontrol button 33 temperature of holding simulate blood in the liquid case 8 and the blood pressure in the vascular pattern can be set, and make simulate blood carry out simulation loop in the body along conduit 7 intravasation models.But the at-once monitor temperature that temperature is set and knows of display simulation blood on theElectronic Display Panel 31 by sensor 9; Equally, but sanguimotor hydraulic pressure and the at-once monitor hydraulic pressure of being provided with of display simulation on theElectronic Display Panel 32.

Below with reference to Fig. 4 and Fig. 5, it shows another preferred implementation of blood circulation analogue means of the present invention.In this embodiment,experimental implementation case 2 is set to have the structure of layering, wherein can comprise bloodvessel simulation layer 4,pipeline layer 5 anddrain layers 6 etc.Which floor has schematically shown among the figure, but it should be understood that more or less layer can be set according to the experiment needs of reality.

Similar with above-mentioned embodiment,main control system 3 is roughly the same with the set-up mode that holds liquid case 8 elements such as grade, and just in this embodiment, each component configuration in theexperimental implementation case 2 get rationally succinct more.Especially as shown in Figure 5 go out, the turnover conduit of simulate blood is placed on the below of bloodvessel simulation layer 4, thereby can effectively avoid a large amount of conduits staggered in a jumble.For the beginner of experimental implementation, numerous and disorderly blood vessel simulation is very disadvantageous.

More than the specific embodiment of the present invention is described.It will be appreciated that the present invention is not limited to above-mentioned specific implementations, those skilled in the art can make various distortion or modification within the scope of the appended claims.

Claims (14)

1. a vascular pattern is characterized in that, this vascular pattern is simulated the machine-shaping of human body aorta vessel by transparent or semitransparent material, and is designed to detachable split-type structural, has aorta pectoralis and abdominal aorta respectively.

2. vascular pattern as claimed in claim 1 is characterized in that, described vascular pattern further comprises with aorta pectoralis and linking to each other with abdominal aorta and detachable bifurcated artery vascular pattern.

3. vascular pattern as claimed in claim 2 is characterized in that, the similar performance of the hardness of described transparent or semitransparent material, surfaceness, toughness and elastic property and human body artery blood vessel.

4. vascular pattern as claimed in claim 3 is characterized in that, the ratio of described vascular pattern is identical with the arterial vascular ratio of normal human.

5. vascular pattern as claimed in claim 4 is characterized in that the inner chamber of described vascular pattern is set to unobstructed, and the opening part of each bifurcated artery vascular pattern is provided with removable sealing-plug on this vascular pattern.

6. as the arbitrary described vascular pattern of claim 1-5, it is characterized in that described transparent or semitransparent material is a flexible high molecular material.

7. vascular pattern as claimed in claim 6 is characterized in that described macromolecular material is selected from soft PVC PVC or silicon rubber.

8. blood circulation analogue means, comprise the experimental implementation case, hold liquid case and main control system, described main control system with hold the liquid case and link to each other, and be used to control that simulate blood is supplied with and discharge, wherein, be placed with in the described experimental implementation case and hold the arbitrary described vascular pattern of the 1-7 of claim as described above that liquid case sealing is communicated with, also be provided with the opening for the mis instruments intervention on the described experimental implementation case, this opening can be sealed.

9. blood circulation analogue means as claimed in claim 8, it is characterized in that described experimental implementation case is a hierarchy, comprise the blood vessel simulation layer of placing described vascular pattern, place the pipeline layer of simulate blood transfer pipeline, and the drain layers of cleaning simulate blood.

10. blood circulation analogue means as claimed in claim 8 or 9 is characterized in that described experimental implementation case is made by transparent or semitransparent material, and the operator can observe described vascular pattern by the transparent or semitransparent loam cake of this experimental implementation case is directly perceived.

11. blood circulation analogue means as claimed in claim 10 is characterized in that, described experimental implementation case is made by transparent or semitransparent macromolecular material.

12. blood circulation analogue means as claimed in claim 11, it is characterized in that, described main control system comprises control circuit, the hydraulic pump that links to each other with control circuit, monitoring element and corresponding Electronic Display Panel and regulation and control button, wherein, described monitoring element and control circuit with hold the liquid case and link to each other, be used to monitor simulate blood temperature and hydraulic pressure.

13. blood circulation analogue means as claimed in claim 12 is characterized in that, described hydraulic pump places described holding in the liquid case.

14. blood circulation analogue means as claimed in claim 12 is characterized in that, described monitoring element is a sensor.

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