CN204293193U - The coupled structure of a kind of medical optoacoustic or ultrasonic interior pry head - Google Patents
The coupled structure of a kind of medical optoacoustic or ultrasonic interior pry head Download PDFInfo
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- CN204293193U CN204293193U CN201420721448.8U CN201420721448U CN204293193U CN 204293193 U CN204293193 U CN 204293193U CN 201420721448 U CN201420721448 U CN 201420721448U CN 204293193 U CN204293193 U CN 204293193U
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Abstract
This utility model is the coupled structure of a kind of medical optoacoustic or ultrasonic interior pry head, comprises a three way cock, and two longitudinal ports that three way cock is arranged in a straight line connect the first conduit and the second conduit respectively; The transverse port that three way cock is upper and two longitudinal ports are vertical is connected a valve interface; Valve interface inner hollow is also provided with three ports; First port of valve interface is connected with the transverse port of three way cock, is provided with the valve switch that the first port can be communicated with the 3rd port or close in the second port of valve interface; The lower end plug of the second conduit is provided with plug and blocks up.This utility model can inject or emptying coupling liquid fast, the better prolongation probe life-span; And energy quick-replaceable outer conduit, save disinfecting time.
Description
Technical field
This utility model is about a kind of Biologic Medical Image device, particularly relates to the coupled structure of a kind of medical optoacoustic or ultrasonic interior pry head.
Background technology
Because ultrasound wave can be decayed to obtain especially severe in atmosphere, only detect in liquid or solid so ultrasound wave is general.When medical optoacoustic/ultrasonic interior pry head scans in tract in vivo, the signal obtained will be delivered to detecting head surface from biological tissue, needs medium of coupling, be generally water, coupling gel or directly utilize organism inner blood in the middle of it.If but probe is directly exposed in organism tract, the probe of non-array formula needs ring to sweep one week to obtain optoacoustic (or ultrasonic) signal of returning from biological tissue's transmitting (or reflection), if obtain real time imaging, probe must reach each second 24 turns, and the probe of such high speed rotating is easy to scratch organism inner tissue.And the liquid (blood, saliva, the outside normal saline etc. injected) in organism tract can produce corrosion to probe or pollute, and reduces the service life of probe.
In order to avoid above problem, existing probe for clinical commercialization have employed two kinds of methods: 1, adopt array detection, avoid the rotation of probe; 2, rotating detector is sealed in fills in the pipeline of couplant, not only protected probe but also achieved the efficient coupling of signal.
But these two kinds of methods have himself shortcoming: 1, lower than rotating transducer, (array probe resolution is generally 100-200 micron to the lateral resolution that obtains of array probe, the single array element detection of the many employings of rotating transducer, resolution can reach tens microns).If 2, rotating transducer long period of soaking is in couplant, service life can be reduced by slight erosion.In addition, these two kinds commercial probes all adopt the method for directly sterilization at present, namely after completing once operation, probe must be sent to sterilization chamber, be completed the sterilization of probe by a set of loaded down with trivial details disinfection process, use in order to operation next time.So consume a large amount of time and resource, make the utilization rate of probe not high.
In existing document, involved all kinds of optoacoustic/ultrasonic interior pry head, also takes directly in the method for probe outer surface sterilization more.Document (the Catheter-basedphotoacoustic endoscope of up-to-date one section of optoacoustic endoscopy probe designs, Joon-Mo Yang, etc.J.Biomed.Opt.19 (6), 066001) in, adopting is dipped in water by probe, the method for pouring water with air pump evacuation.Although the method can after probe be used to complete, water is drained, probe is avoided to soak by corrosion, but the integrated structure design of its outer tube wall and built-in rotary part, make this probe after completing once operation, still must carry out strict sterilization cleaning, just can use next time.Therefore integrating, mainly there is following shortcoming in prior art: if 1, rotating transducer long period of soaking in couplant, can by slight erosion and reduce service life.2, adopt the method for directly sterilizing, the sterilization that must complete probe by a set of loaded down with trivial details disinfection process can carry out subsequent operation use, consumes a large amount of time and resource.3, the utilization rate of probe is not high, cost intensive.
Thus, the present inventor relies on experience and the practice of being engaged in relevant industries for many years, proposes the coupled structure of a kind of medical optoacoustic or ultrasonic interior pry head, to overcome the defect of prior art.
Utility model content
The purpose of this utility model is the coupled structure providing a kind of medical optoacoustic or ultrasonic interior pry head, can inject fast or emptying coupling liquid, the better prolongation probe life-span.
Another object of the present utility model is the coupled structure providing a kind of medical optoacoustic or ultrasonic interior pry head, and energy quick-replaceable outer conduit, saves disinfecting time.
The purpose of this utility model realizes like this, the coupled structure of a kind of medical optoacoustic or ultrasonic interior pry head, described coupled structure comprises a three way cock, and two longitudinal ports that described three way cock is arranged in a straight line connect the first conduit and the second conduit respectively; The transverse port that three way cock is upper and two longitudinal ports are vertical is connected a valve interface; Described valve interface inner hollow is also provided with three ports; First port of valve interface is connected with the transverse port of three way cock, is provided with the valve switch that described first port can be communicated with the 3rd port or close in the second port of valve interface; The lower end plug of the second conduit is provided with plug and blocks up.
In a better embodiment of the present utility model, the first conduit and the second conduit are plugged in two longitudinal ports that three way cock is arranged in a straight line respectively.
In a better embodiment of the present utility model, the first end mouthpiece of valve interface has conical outer surface, and it is plugged in the transverse port of three way cock.
In a better embodiment of the present utility model, the second port of valve interface is cylindrical shape interface, and its axes normal is in the plane at the axis place of the first port and the 3rd port.
In a better embodiment of the present utility model, valve switch has a cylinder end, with cylindrical shape Interference fit in the second port that cylinder end is plugged on valve interface; Be provided with connection runner in described cylinder end, be communicated with runner on the side of cylinder end, have two openings, described two openings can be communicated with the first port of valve interface is corresponding with the 3rd port respectively.
In a better embodiment of the present utility model, plug is stifled has tapering point, and tapering point is tucked into the lower end of the second conduit; It is round and smooth end that plug blocks the other end relative with tapering point.
In a better embodiment of the present utility model, the first conduit and the second conduit adopt medical grade plastic conduit.
In a better embodiment of the present utility model, the 3rd port of valve interface is perpendicular to the first port, and two openings in valve switch cylinder end side surface are 90 degree of connections.
In a better embodiment of the present utility model, the upper end of the first conduit is provided with the probe connector be connected with the round end of interior pry head.
From the above mentioned, by structure of the present utility model, the liquid for being coupled can be injected fast or emptying, avoiding probe long period of soaking to be corroded in couplant, increase probe service life; The structure of this utility model is simply easy to assembling, cheap (can be used for disposable), greatly reduces use cost, makes optoacoustic/ultrasonic interior pry head become the instrument of clinical quick inspection; By dismounting conduit, be easy to replace fast and without the need to sterilization, the utilization rate of pry head in improving, eliminates disinfection process, save time and resource.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate this utility model and explain, does not limit scope of the present utility model.Wherein:
Fig. 1: be the overall assembly structure figure of this utility model coupled structure.
Fig. 2: be the structural representation of three way cock in this utility model.
Fig. 3: be the structural representation of valve interface in this utility model.
Fig. 4: be the structural representation of valve switch in this utility model.
Fig. 5: for filling in stifled structural representation in this utility model.
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and detailed description of the invention of the present utility model is described.
As shown in Figure 1, this utility model provides the coupled structure 10 of a kind of medical optoacoustic or ultrasonic interior pry head, be exclusively used in rotary interior pry head (not shown), this coupled structure 10 comprises a three way cock 1, as shown in Figure 2, three way cock 1 has two the longitudinal port ones 1 and a transverse port 12 vertical with two longitudinal ports that are arranged in a straight line.Two on three way cock 1 longitudinal port ones 1 connect the first conduit 2 and the second conduit 3 respectively, in order to energy quick-replaceable used conduit, reduce the time of sterilization, first conduit 2 and the second conduit 3 are plugged in two longitudinal port ones 1 on three way cock respectively, used conduit is directly disassembled and changes new conduit, save the time needing sterilization; In two longitudinal port ones 1, there is internal diameter reduction section, just can lock after conduit is inserted.The upper end of the first conduit 2 is provided with the probe connector 21 be connected with the round end of interior pry head, is equivalent to a shaft seating, and this probe connector 21 can be fixed on the host housing of interior pry head, makes the entirety of whole coupling device 10 keep motionless.Transverse port 12 on three way cock 1 connects a valve interface 4; As shown in Figure 3, valve interface 4 inner hollow be provided with three ports; First port 41 of valve interface 4 is connected with the transverse port 12 of three way cock 1, and the first port 41 has conical outer surface, and it is plugged in the transverse port 12 of three way cock.Second port 42 of valve interface 4 is cylindrical shape interface, cylindrical shape interface respectively with the first port 41 and the 3rd port 43 conducting, be provided with the valve switch 5 that the first port 41 can be communicated with the 3rd port 43 or close in it; 3rd port 43 of valve interface 4 is for inject and inspect liquid.Concrete valve switch 5 has a cylinder end 51, and cylinder end 51 is plugged in the second port 42 of valve interface 4 as shown in Figure 4, also can rotate in cylindrical shape interface with cylindrical shape Interference fit; Be provided with in cylinder end 51 and be communicated with runner 52, be communicated with runner 52 and there are two openings on the side of cylinder end 51, when the cylinder end 51 of valve switch 5 turns to a certain position in cylindrical shape interface, two openings can be communicated with the first port 41 of valve interface 4 is corresponding with the 3rd port 43 respectively; When the cylinder end 51 of valve switch 5 turns to another location in cylindrical shape interface, two openings stagger with the first port 41 of valve interface 4 and the 3rd port 43 respectively, thus close being communicated with of the first port 41 and the 3rd port 43.The lower end plug of the second conduit 3 is provided with plug stifled 6.
First and second conduits 2,3 in use, are first inserted in two longitudinal port ones 1 of three way cock 1, then the conical-shaped first end mouth 41 of the valve interface 4 with valve switch 5 are inserted into the transverse port 12 of three way cock 1 by this utility model; Then optoacoustic or ultrasonic interior pry head are inserted from the upper end of the first conduit 2, pop one's head in and to enter in the second conduit 3 through the first conduit 2, three way cock 1 and to extend near the lower port of the second conduit 3, the round end of the probe connector 21 of the first conduit 2 with interior pry head is connected.Then the 3rd port 43 to valve interface 4 injects water or other coupling liquid, now the first port 41 is communicated with the 3rd port 43 by valve switch 5, liquid to enter in the second conduit 3 through valve interface 4, three way cock 1 and discharges downwards, by the time after the air in the second conduit 3 is fully drained, the lower port of the second conduit 3 is clogged again with plug stifled 6, stop injecting water or other coupling liquid, and valve-off switch 5, prevent liquid from outwards overflowing from the 3rd port 43 of valve interface 4.Now, just can the second catheter end of this coupled structure with probe be extend in biological cavities, to pop one's head in conduit inward turning then can not damage biological in-vivo tissue, the Signal transmissions between probe with bio-tissue can be made again to reach good simultaneously and be coupled.First and second conduits all adopt medical grade plastic conduit, if use optoacoustic endoscopy to pop one's head in, then the second conduit 3 requires light transmission good, and requires that the acoustic impedance of conduit mates with the acoustic impedance of coupling liquid, guarantee laser and ultrasonicly can well to transmit; If use ultrasonic interior pry head, then the acoustic impedance of the second conduit 3 is only needed to mate with the acoustic impedance of coupling liquid.The parts of this coupled structure are simple, and price is low, can single use, and after inspection, being removed by plug stifled 6 can emptying coupling liquid, prevents probe Long Term Contact coupling liquid and produces corrosion, extending the life-span of popping one's head in.If need to continue to use probe to check, this coupled structure dismantled, the step using new a set of coupled structure to repeat above can carry out new inspection, eliminates and probe is carried out the loaded down with trivial details of a series of sterilizing operation, save time.
Further, as shown in Figure 3, the 3rd port 43 axes normal of valve interface 4 is in the axis of the first port 41, and the second port 42 axes normal of valve interface 4 is in the plane at the first port and the 3rd port axis place.As shown in Figure 4, two openings on valve switch 5 cylinder end 51 side are 90 degree of connections.
Further, as shown in Figure 5, plug stifled 6 has tapering point 61, and tapering point 61 is taper type, and tapering point 61 is tucked into the lower end of the second conduit 3, can better realize sealing and self-locking; On plug stifled 6, the other end relative with tapering point 61 is round and smooth end 62, and this round and smooth end 62 can be hemispherical, can extend in organism tract more easily, smoothly.
In sum, by structure of the present utility model, the liquid for being coupled can be injected fast or emptying, avoiding probe long period of soaking to be corroded in couplant, increase probe service life; The structure of this utility model is simply easy to assembling, cheap (can be used for disposable), greatly reduces use cost, makes optoacoustic/ultrasonic interior pry head become the instrument of clinical quick inspection; By dismounting conduit, be easy to replace fast and without the need to sterilization, the utilization rate of pry head in improving, eliminates disinfection process, save time and resource.
The foregoing is only the schematic detailed description of the invention of this utility model, and be not used to limit scope of the present utility model.Any those skilled in the art, equivalent variations done under the prerequisite not departing from design of the present utility model and principle and amendment, all should belong to the scope of this utility model protection.
Claims (9)
1. a coupled structure for medical optoacoustic or ultrasonic interior pry head, is characterized in that: described coupled structure comprises a three way cock, two longitudinal ports that described three way cock is arranged in a straight line connect the first conduit and the second conduit respectively; The transverse port that three way cock is upper and two longitudinal ports are vertical is connected a valve interface; Described valve interface inner hollow is also provided with three ports; First port of valve interface is connected with the transverse port of three way cock, is provided with the valve switch that described first port can be communicated with the 3rd port or close in the second port of valve interface; The lower end plug of the second conduit is provided with plug and blocks up.
2. the coupled structure of medical optoacoustic as claimed in claim 1 or ultrasonic interior pry head, is characterized in that: described first conduit and the second conduit are plugged in two longitudinal ports that three way cock is arranged in a straight line respectively.
3. the coupled structure of medical optoacoustic as claimed in claim 2 or ultrasonic interior pry head, is characterized in that: the first end mouthpiece of described valve interface has conical outer surface, and it is plugged in the transverse port of three way cock.
4. the coupled structure of medical optoacoustic as claimed in claim 3 or ultrasonic interior pry head, is characterized in that: the second port of described valve interface is cylindrical shape interface, and its axes normal is in the plane at the axis place of the first port and the 3rd port; Cylindrical shape interface respectively with the first port and the 3rd port conducting.
5. the coupled structure of medical optoacoustic as claimed in claim 4 or ultrasonic interior pry head, is characterized in that: described valve switch has a cylinder end, with cylindrical shape Interference fit in the second port that cylinder end is plugged on valve interface; Be provided with connection runner in described cylinder end, be communicated with runner on the side of cylinder end, have two openings, described two openings can be communicated with the first port of valve interface is corresponding with the 3rd port respectively.
6. the coupled structure of medical optoacoustic as claimed in claim 5 or ultrasonic interior pry head, is characterized in that: described plug is stifled has tapering point, and tapering point is tucked into the lower end of the second conduit; It is round and smooth end that plug blocks the other end relative with tapering point.
7. the coupled structure of medical optoacoustic as claimed in claim 6 or ultrasonic interior pry head, is characterized in that: described first conduit and the second conduit adopt medical grade plastic conduit.
8. the coupled structure of medical optoacoustic as claimed in claim 7 or ultrasonic interior pry head, is characterized in that: the 3rd port of described valve interface is perpendicular to the first port, and two openings in valve switch cylinder end side surface are 90 degree of connections.
9. the coupled structure of the medical optoacoustic as described in claim arbitrary in claim 1 to 7 or ultrasonic interior pry head, is characterized in that: the upper end of described first conduit is provided with the probe connector be connected with the round end of interior pry head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420721448.8U CN204293193U (en) | 2014-11-26 | 2014-11-26 | The coupled structure of a kind of medical optoacoustic or ultrasonic interior pry head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420721448.8U CN204293193U (en) | 2014-11-26 | 2014-11-26 | The coupled structure of a kind of medical optoacoustic or ultrasonic interior pry head |
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| Publication Number | Publication Date |
|---|---|
| CN204293193U true CN204293193U (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420721448.8U Active CN204293193U (en) | 2014-11-26 | 2014-11-26 | The coupled structure of a kind of medical optoacoustic or ultrasonic interior pry head |
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| Country | Link |
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| CN (1) | CN204293193U (en) |
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