CN101301209A - Perfusion method of four-dimensional ultrasonic probe inner couplant - Google Patents
Perfusion method of four-dimensional ultrasonic probe inner couplant Download PDFInfo
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- CN101301209A CN101301209A CNA2008100291800A CN200810029180A CN101301209A CN 101301209 A CN101301209 A CN 101301209A CN A2008100291800 A CNA2008100291800 A CN A2008100291800A CN 200810029180 A CN200810029180 A CN 200810029180A CN 101301209 A CN101301209 A CN 101301209A
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Abstract
The present invention provides a perfusion method for couplant in four-dimensional ultrasonic probe, comprising steps in sequence: (1) assembling ultrasonic probe in a manner that a gap is formed between an outer shell internal wall and a core section, wherein a couplant perfusion opening and a gas outlet communicating with the gap are formed on a base or the outer shell; (2) arranging the ultrasonic probe in a vacuum tank and communicating the couplant perfusion opening with a couplant feeding device; (3) pumping air in the couplant in the couplant feeding device out, and pumping air in the gap between the outer shell internal wall and the core section out to leave a vacuum state in the gap; (4) perfusing couplant into the gaps between the outer shell internal wall and the core section through the couplant perfusion opening until the gap is full of the couplant; (5) sealing the couplant perfusion opening and the gas outlet. According to the invention, the method may fill the gaps between the outer shell internal wall and the core section of the four-dimensional ultrasonic probe without air bubble in the couplant, thereby ensuring natural ultrasonic diagnosis of the four-dimensional ultrasonic probe.
Description
Technical field
The present invention relates to ultrasound probe, specifically, relate to a kind of method for filling of four-dimensional ultrasonic probe inner couplant.
Background technology
Four-dimensional ultrasonic probe is used to produce real-time three-dimensional live image (being four-dimensional image), and it comprises base, core (being provided with the transducer that sound wave energy and electric energy can be changed mutually in the core), driving mechanism and shell; Driving mechanism is installed on the base and with core and is in transmission connection, and can drive core and rotate; Shell is located at the periphery of core, plays the effect of protection core; Core is in the cavity that shell and base surround, and must have a fixed gap between outer casing inner wall and the core, to guarantee that core can freely rotate in the enclosure.During use, directly contact diagnosed object by shell, core rotates in the enclosure and simultaneously diagnosed object is scanned and produces image.
If there is certain air in the space between core and the shell, will cause the overdamp of sound, so that can't carry out normal ultrasonic diagnosis, so must be in the space between core and the shell (promptly probe is inner) fill couplant (couplant can adopt the mixture of ethylene glycol and propylene glycol, wherein the part by weight of ethylene glycol and propylene glycol is 1: 2), to reduce the overdamp of sound; And couplant must be full of above-mentioned space fully, do not have bubble in the couplant, in case loss incident sound beam energy and/or produce pseudo-false information, thereby guarantee good diagnosis performance.
Summary of the invention
Technical problem to be solved by this invention provides a kind of method for filling of four-dimensional ultrasonic probe inner couplant, adopt this method in the core of four-dimensional ultrasonic probe and the space between the shell, to pour into couplant, make couplant be full of space between core and the shell fully, and do not have bubble in the couplant.The technical scheme that adopts is as follows:
A kind of method for filling of four-dimensional ultrasonic probe inner couplant is characterized in that comprising the steps: successively
(1) assembling ultrasound probe, core is in the cavity that shell and base surround, and make between outer casing inner wall and the core and have the space, leaving couplant perfusing hole and gas outlet on the base or on the shell, couplant perfusing hole and gas outlet all with outer casing inner wall and core between the space be communicated with;
(2) ultrasound probe is put into vacuum tank, and the couplant perfusing hole is communicated with the couplant feedway;
(3) extract gas in the couplant in the couplant feedway, and extract the gas in the space between outer casing inner wall and the core, make the space between outer casing inner wall and the core be in vacuum state;
(4) with the couplant in the couplant feedway from the couplant perfusing hole is filled into space between outer casing inner wall and the core, be full of this space until couplant;
(5) with couplant perfusing hole and gas outlet sealing, finish the perfusion of couplant.
Couplant can adopt the mixture of ethylene glycol and propylene glycol, and wherein the part by weight of ethylene glycol and propylene glycol is 1: 2.
Gas outlet on the above-mentioned ultrasound probe is the outlet of step (3) gas when extracting gas, the overfall of couplant when being step (4) perfusion couplant again (couplant can overflow from the gas outlet after being full of space between outer casing inner wall and the core).
In preferred version, step (2) comprises the steps: that (2.1) couplant feedway comprises the vacuum oil storage tank, couplant is stored in the vacuum oil storage tank, the vacuum oil storage tank is provided with oil-out, ultrasound probe is put into vacuum tank, and the couplant perfusing hole is communicated with through the oil-out of oil inlet pipe with the vacuum oil storage tank; (2.2) connect flowline in the gas outlet, and make flowline be in correct position in the vacuum tank, the couplant liquid level can reach in the flowline maximum height is on the space between outer casing inner wall and the core; Step (4) makes the couplant in the vacuum oil storage tank flow out from the oil-out of vacuum oil storage tank, and enters in the space between outer casing inner wall and the core, overflows from flowline until couplant; When couplant when flowline overflows, can determine that couplant is full of the space between outer casing inner wall and the core.More preferably step (2.2) increases step (2.3) afterwards, is provided with oil holder in vacuum tank, and the rear end of flowline is placed in the oil holder, and the oil holder receivability is from the couplant that flowline overflows, and makes that vacuum tank is inner to keep clean; Step (4) makes the couplant in the vacuum oil storage tank flow out from the oil-out of vacuum oil storage tank, and enters in the space between outer casing inner wall and the core, overflows and flows into the oil holder from flowline until couplant; When couplant when flowline overflows and flow into the oil holder, can determine that couplant is full of the space between outer casing inner wall and the core.
In preferred scheme, step (2) comprises the steps: (2.1 ') installs one section connection tube at couplant perfusing hole place, and oil storage parts are installed at the place in the gas outlet; (2.2 ') couplant feedway comprises the vacuum oil storage tank, couplant is stored in the vacuum oil storage tank, the vacuum oil storage tank is provided with oil-out, and ultrasound probe is put into vacuum tank, and the front end of connection tube is communicated with through the oil-out of oil inlet pipe with the vacuum oil storage tank; (2.3 ') connect flowline in the rear end of oil storage parts, and make oil storage parts and flowline be in correct position in the vacuum tank, the couplant liquid level can reach in the flowline that is made of oil storage parts and flowline maximum height is on the space between outer casing inner wall and the core; Step (4) makes the couplant in the vacuum oil storage tank flow out from the oil-out of vacuum oil storage tank, and enters in the space between outer casing inner wall and the core, overflows from flowline until couplant; When couplant when flowline overflows, can determine that couplant is full of the space between outer casing inner wall and the core.More preferably step (2.3 ') increases step (2.4 ') afterwards, is provided with oil holder in vacuum tank, and the rear end of flowline is placed in the oil holder, and the oil holder receivability is from the couplant that flowline overflows, and makes that vacuum tank is inner to keep clean; Step (4) makes the couplant in the vacuum oil storage tank flow out from the oil-out of vacuum oil storage tank, and enters in the space between outer casing inner wall and the core, overflows and flows into the oil holder from flowline until couplant; When couplant when flowline overflows and flow into the oil holder, can determine that couplant is full of the space between outer casing inner wall and the core.In the preferred steps (5), after pulling out flowline, back-end sealing with the oil storage parts, the oil storage parts are retained on the ultrasound probe, owing to be full of couplant in the oil storage parts, therefore in the ultrasound probe use, the couplant in the oil storage parts can add in the space between outer casing inner wall and the core, to guarantee good diagnosis performance.Above-mentioned front end, rear end are according to the definition of the flow direction of couplant in the filling process.
Owing to be provided with connection tube and oil storage parts, in step (5) when sealing, can prevent to cause couplant can not be full of above-mentioned space owing to couplant overflows from couplant perfusing hole or gas outlet.Above-mentioned oil storage parts can be oil storage bag or one section oil storing tube.For the inwall that prevents oil storage bag bag in step (3) vacuum fits together, cause the gas in the space between outer casing inner wall and the core not extracted fully, oil-in and oil-out place on the preferred oil storage bag bag respectively are equipped with one section oil guide pipe, these two sections oil guide pipes each some are in the bag, and oil guide pipe is in the intravital part of bag the inwall of bag is played a supportive role; More preferably above-mentioned two sections oil guide pipes are in the intravital part of bag and aim at mutually.
Preferably in vacuum tank, be provided with the probe placement seat, ultrasound probe is placed on the probe placement seat; In above-mentioned steps (2.1), make couplant perfusing hole and gas outlet up, be easy to like this to guarantee that the couplant liquid level can reach in the flowline maximum height is on the space between outer casing inner wall and the core; Perhaps in above-mentioned steps (2.2 '), make connection tube and oil storage parts all be in the top in the space between outer casing inner wall and the core, can guarantee that so maximum height that the interior couplant liquid level of above-mentioned flowline (flowline is made of oil storage parts and flowline) can reach is on the space between outer casing inner wall and the core.
The oil-out place of preferred vacuum oil storage tank is provided with a valve; Step (3) is when extracting gas, and valve-off extracts gas to the space between the couplant in the vacuum oil storage tank and outer casing inner wall and the core respectively; During step (4) perfusion couplant, Open valve makes the interior couplant of vacuum oil storage tank flow out from the oil-out of vacuum oil storage tank.
In the preferred above-mentioned steps (4), lead to into air in the vacuum oil storage tank, utilize air pressure official post couplant to flow out from the oil-out of vacuum oil storage tank automatically, couplant is in the couplant perfusing hole enters space between outer casing inner wall and the core subsequently.
Method provided by the invention can be poured into couplant in the core of four-dimensional ultrasonic probe and the space between the shell, make couplant be full of space between core and the shell fully, and there is not bubble in the couplant, therefore the core of ultrasound probe and the acoustics coupling of being diagnosed the position in the time of can being implemented in diagnosis, reduce the influence of the overdamp of sound to diagnosis performance, and avoided error diagnosis because of existing bubble to cause in the couplant, can guarantee that four-dimensional ultrasonic probe can carry out normal ultrasonic diagnosis, has good diagnosis performance.
Description of drawings
Fig. 1 is the structural representation of the ultrasound probe that is assembled into of preferred embodiment of the present invention step (1);
Fig. 2 is a structural representation for the treatment of dabbling ultrasound probe behind the preferred embodiment of the present invention completing steps (2.1 ');
Fig. 3 is the structural representation of the used device for casting of the preferred embodiment of the present invention, and in the step (2) this device for casting with treat the sketch map of the annexation of dabbling ultrasound probe;
Fig. 4 is the structural representation of oil storage bag.
The specific embodiment
The method for filling of this four-dimensional ultrasonic probe inner couplant comprises the steps: successively
(1) assembling ultrasound probe 1: shell 11 is installed on the base 12, the junction sealing of shell 11 and base 12, core 13 is in the cavity that shell 11 and base 12 surround, and has space 14 between the inwall of shell 11 and the core 13; Leave couplant perfusing hole 15 and gas outlet 16 at base 12, couplant perfusing hole 15 and gas outlet 16 all are communicated with space 14; Driving mechanism 17 is installed on the base 12 and with core 13 and is in transmission connection, and the structure of the ultrasound probe 1 that is assembled into as shown in Figure 1;
(2) specifically comprise:
(2.1 ') install one section connection tube 2 at couplant perfusing hole 15 places as shown in Figure 2, and an oil storage bag 3 is installed at 16 places in the gas outlet; As shown in Figure 4, oil storage bag 3 comprises bag 31, bag 31 is provided with oil-in 32 and oil-out 33, oil-in 32 is equipped with one section oil guide pipe 34 (oil guide pipe 34 is connected with gas outlet 16), oil-out 33 places are equipped with one section oil guide pipe 35, respectively some is in the bag 31 for oil guide pipe 34 and oil guide pipe 35, and the parts that oil guide pipe 34 and oil guide pipe 35 are in the bag 31 are aimed at mutually;
(2.2 ') are provided with probe placement seat 9 as shown in Figure 3 in vacuum tank 4, ultrasound probe 1 is placed on the probe placement seat 9, and makes connection tube 2 and oil storage bag 3 all be in the top in space 14; The front end of connection tube 2 is communicated with the oil-out 61 (oil-out 61 is located at the bottom of vacuum oil storage tank 6) of the vacuum oil storage tank 6 that couplant is housed through oil inlet pipe 5; Oil-out 61 places of vacuum oil storage tank 6 are provided with a valve 62; The top of vacuum oil storage tank 6 is provided with air vent 64, air vent 64 connects escape pipe 63, escape pipe 63 1 ends are communicated with the cavity of vacuum oil storage tank 6, escape pipe 63 other ends are equipped with three-way valve 20, and three ports of three-way valve 20 are connected with escape pipe 63, vacuum suction device 10 and air input pipe 30 respectively;
(2.3 ') connect flowline 7 in the rear end of oil storage bag 3 (being oil guide pipe 35), flowline 7 is in the vacuum tank 4, as shown in Figure 3;
(2.4 ') are provided with oil holder 8 in vacuum tank 4, the rear end of flowline 7 is placed in the oil holder 8, as shown in Figure 3;
(3) valve-off 62, and switching three-way valve 20, and escape pipe 63 is communicated with vacuum suction device 10; Open vacuum suction device, (gases in oil inlet pipe 5, space 14, oil storage bag 3, flowline 7 and the vacuum tank 4 are discharged from escape pipe 41 to extract gas (gas in the couplant is discharged from escape pipe 63) in the couplant in the vacuum oil storage tank 6 and the gas the space 14; Escape pipe 41 is located on the vacuum tank 4, and escape pipe 41 1 ends are connected with vacuum suction device 10 with cavity connection, the other end of vacuum tank 4), this moment, vacuum oil storage tank 6 and vacuum tank 4 inside all were in vacuum state;
(4) pour into couplant in vacuum environment: Open valve 62, and switching three-way valve 20 make escape pipe 63 be communicated with air input pipe 30; Air enters in the vacuum oil storage tank 6 through air input pipe 30, three-way valve 20 and escape pipe 63, utilize the couplant in the air pressure official post vacuum oil storage tank 6 to flow out from its oil-out 61, and enter in the space 14 through oil inlet pipe 5, connection tube 2, couplant perfusing hole 15, overflow and flow into the oil holder 8 from flowline 7 until couplant, this moment, couplant was full of space 14 and oil storage bag 3;
(5) pull out oil inlet pipe 5 and flowline 7,,, finish the perfusion of couplant simultaneously with the back-end sealing of oil storage bag 3 with the forward end seal of connection tube 2.
Above-mentioned front end, rear end are according to the definition of the flow direction of couplant in the filling process.
After finishing perfusion, oil storage bag 3 is retained on the ultrasound probe 1, is full of couplant in the oil storage bag 3, and in the use of ultrasound probe 1, the couplant in the oil storage bag 3 can add in the space 14, to guarantee good diagnosis performance.
In other embodiments, couplant perfusing hole and gas outlet also can be located on the shell.
Claims (10)
1, a kind of method for filling of four-dimensional ultrasonic probe inner couplant is characterized in that comprising the steps: successively
(1) assembling ultrasound probe, core is in the cavity that shell and base surround, and make between outer casing inner wall and the core and have the space, leaving couplant perfusing hole and gas outlet on the base or on the shell, couplant perfusing hole and gas outlet all with outer casing inner wall and core between the space be communicated with;
(2) ultrasound probe is put into vacuum tank, and the couplant perfusing hole is communicated with the couplant feedway;
(3) extract gas in the couplant in the couplant feedway, and extract the gas in the space between outer casing inner wall and the core, make the space between outer casing inner wall and the core be in vacuum state;
(4) with the couplant in the couplant feedway from the couplant perfusing hole is filled into space between outer casing inner wall and the core, be full of this space until couplant;
(5) with couplant perfusing hole and gas outlet sealing, finish the perfusion of couplant.
2, the method for filling of four-dimensional ultrasonic probe inner couplant according to claim 1, it is characterized in that: step (2) comprises the steps: that (2.1) couplant feedway comprises the vacuum oil storage tank, couplant is stored in the vacuum oil storage tank, the vacuum oil storage tank is provided with oil-out, ultrasound probe is put into vacuum tank, and the couplant perfusing hole is communicated with through the oil-out of oil inlet pipe with the vacuum oil storage tank; (2.2) connect flowline in the gas outlet, and make flowline be in correct position in the vacuum tank, the couplant liquid level can reach in the flowline maximum height is on the space between outer casing inner wall and the core.
3, the method for filling of four-dimensional ultrasonic probe inner couplant according to claim 2 is characterized in that: step (2.2) increases step (2.3) afterwards, is provided with oil holder in vacuum tank, and the rear end of flowline is placed in the oil holder.
4, the method for filling of four-dimensional ultrasonic probe inner couplant according to claim 1 is characterized in that: step (2) comprises the steps: (2.1 ') at couplant perfusing hole place one section connection tube is installed, oil storage parts are installed at the place in the gas outlet; (2.2 ') couplant feedway comprises the vacuum oil storage tank, couplant is stored in the vacuum oil storage tank, the vacuum oil storage tank is provided with oil-out, and ultrasound probe is put into vacuum tank, and the front end of connection tube is communicated with through the oil-out of oil inlet pipe with the vacuum oil storage tank; (2.3 ') connect flowline in the rear end of oil storage parts, and make oil storage parts and flowline be in correct position in the vacuum tank, the couplant liquid level can reach in the flowline that is made of oil storage parts and flowline maximum height is on the space between outer casing inner wall and the core.
5, the method for filling of four-dimensional ultrasonic probe inner couplant according to claim 4 is characterized in that: step (2.3 ') increases step (2.4 ') afterwards, is provided with oil holder in vacuum tank, and the rear end of flowline is placed in the oil holder.
6, according to the method for filling of claim 2 or 4 described four-dimensional ultrasonic probe inner couplants, it is characterized in that: step (4) makes the interior couplant of vacuum oil storage tank flow out from the oil-out of vacuum oil storage tank, and enter in the space between outer casing inner wall and the core, overflow from flowline until couplant; When couplant when flowline overflows, can determine that couplant is full of the space between outer casing inner wall and the core.
7, according to the method for filling of claim 3 or 5 described four-dimensional ultrasonic probe inner couplants, it is characterized in that: step (4) makes the interior couplant of vacuum oil storage tank flow out from the oil-out of vacuum oil storage tank, and enter in the space between outer casing inner wall and the core, overflow and flow into the oil holder from flowline until couplant; When couplant when flowline overflows and flow into the oil holder, can determine that couplant is full of the space between outer casing inner wall and the core.
8, according to the method for filling of claim 4 or 5 described four-dimensional ultrasonic probe inner couplants, it is characterized in that: in the step (2.2 '), in vacuum tank, be provided with the probe placement seat, ultrasound probe is placed on the probe placement seat, and makes connection tube and oil storage parts all be in the top in the space between outer casing inner wall and the core.
9, according to the method for filling of each described four-dimensional ultrasonic probe inner couplant of claim 2～5, it is characterized in that: the oil-out place of described vacuum oil storage tank is provided with a valve; Step (3) is when extracting gas, and valve-off extracts gas to the space between the couplant in the vacuum oil storage tank and outer casing inner wall and the core respectively; During step (4) perfusion couplant, Open valve makes the interior couplant of vacuum oil storage tank flow out from the oil-out of vacuum oil storage tank.
10, according to the method for filling of each described four-dimensional ultrasonic probe inner couplant of claim 2～5, it is characterized in that: in the step (4), in the vacuum oil storage tank, lead to into air, utilize air pressure official post couplant to flow out from the oil-out of vacuum oil storage tank automatically.
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| CN200810029180A CN100581481C (en) | 2008-06-27 | 2008-06-27 | Perfusion method of four-dimensional ultrasonic probe inner couplant |
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| CN102636572A (en) * | 2012-04-12 | 2012-08-15 | 中国人民解放军装甲兵工程学院 | Auxiliary device for ultrasonic detection |
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| CN112526003A (en) * | 2020-11-30 | 2021-03-19 | 合肥工业大学 | Automatic pouring and recycling device and method for couplant of ultrasonic probe |
| CN112526003B (en) * | 2020-11-30 | 2022-06-07 | 合肥工业大学 | Automatic pouring and recycling device and method for couplant of ultrasonic probe |
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Address after: 515041 No. 77 Jinsha Road, Guangdong, Shantou Patentee after: Shantou Ultrasonic Instrument Research Institute Co., Ltd Address before: 515041 No. 77 Jinsha Road, Guangdong, Shantou Patentee before: SHANTOU INSTITUTE OF ULTRASONIC INSTRUMENTS Co.,Ltd. |
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