CN209252921U - A kind of medical ultrasonic endoscope miniature ultrasonic probe component - Google Patents

Abstract

The utility model discloses a kind of medical ultrasonic endoscope miniature ultrasonic probe components, including preceding probe cylinder and guiding joint, preceding probe column body is provided with double slopes hyaline cap, double slope hyaline caps are internally provided with angle driving device, a group wave ultrasonic probe is provided at the top of double slope hyaline caps, group wave ultrasonic probe includes face rib and arc shell, arc shell is internally provided with longitudinal wave transduction assembly and oblique wave transduction assembly, noise reduction layer is filled in gap between arc shell and longitudinal wave transduction assembly and oblique wave transduction assembly, longitudinal wave transduction assembly and oblique wave transduction assembly are linked together by curvature piece, oblique wave transduction assembly includes edged surface rib, damping block is provided on the inclined-plane of edged surface rib, angle driving device passes through arc shell and is connected on the apex angle side of edged surface rib, one end of arc shell is provided with cable base head, it realizes wider array of Ultrasonic scanning cross section and apparent, rapid image are shown.

Description

A kind of medical ultrasonic endoscope miniature ultrasonic probe component

Technical field

The utility model relates to medical instruments field, specially a kind of medical ultrasonic endoscope miniature ultrasonic probe component.

Background technique

In the diagnosis to body cavity lesion, the side of lesion situation is inferred according to the metamorphosis of tissue surface merely Method, there are certain subjectivity and limitation, endoscopic ultrasonic imaging system can pass through the energy converter in miniature ultrasonic probe Ultrasonic scanning is carried out, the faultage image of relatively clear, accurate histoorgan is obtained, provides visitor for treating to the ill for doctor The foundation of sight；Meanwhile its miniature ultrasonic probe is passed through the reserved channel of the endoscopes such as alimentary canal by endoscopic ultrasonic scanning system, After being inserted into body cavity organ, the pathological change form of mucomembranous surface not only can be directly observed by endoscope, but also ultrasonic scanning can be carried out, The histologic characteristics of each tomography of organ tube wall are obtained, therefore expand the diagnostic area of endoscope, improve examining for endoscope Cutting capacity, diagnosis and treatment advantage are known together by medical field.

Currently, endoscopic ultrasonic scanning system is all by the inside of its miniature ultrasonic probe, internal placed transducer Driving device, and cooperate external driving circuit, realize the rotary scanning of ultrasonic transducer；Since driving device and ultrasound are changed Energy device is too close, and ultrasonic transducer is driven device influence and generates vibration, and the image obtained generation is caused to shake, is smudgy； In addition, above-mentioned miniature ultrasonic probe can only obtain the annular section scan image of a certain longitudinal depth, swept by the annular section Tracing is relatively difficult as diagnose, and can not be detected comprehensively to the tissue of lesion, diagnostic result is not accurate enough.

Summary of the invention

In order to overcome the shortcomings of prior art, the utility model provides a kind of medical ultrasonic endoscope miniature ultrasonic spy Head assembly can effectively solve the problem of background technique proposes.

The technical scheme adopted by the utility model to solve the technical problem is as follows:

A kind of medical ultrasonic endoscope miniature ultrasonic probe component, including preceding probe cylinder and guiding joint, are visited before described Head column body is provided with double slopes hyaline cap, is axially provided with angle driving device, double slopes inside double slope hyaline caps A group wave ultrasonic probe is provided at the top of hyaline cap；

Described group of wave ultrasonic probe includes face rib and the arc shell that is arranged on the rib of face, is set inside the arc shell It is equipped with longitudinal wave transduction assembly and oblique wave transduction assembly, between the arc shell and longitudinal wave transduction assembly and oblique wave transduction assembly Noise reduction layer is filled in gap, the longitudinal wave transduction assembly and oblique wave transduction assembly are linked together by curvature piece, described oblique Wave transduction assembly includes the edged surface rib of the rectangular triangle in section, is provided on the inclined-plane of the edged surface rib and is wrapped up by piezoelectric chip Damping block, the angle driving device pass through arc shell be connected on the apex angle side of edged surface rib, the one of the arc shell End is provided with cable base head.

Further, the angle driving device leads arthrotropic flexible hollow shaft including extending to, and the flexible hollow shaft It is mutually close together from inside to outside by first layer axle sleeve, second layer axle sleeve and third layer axle sleeve, first layer axle sleeve, second layer axis Set and in third layer axle sleeve include two simultaneously together with glass steel wire, and hollow pipe is formed in a manner of spiral coil, the The end of one layer of axle sleeve, second layer axle sleeve and third layer axle sleeve is fixedly connected on edged surface rib.

Further, the longitudinal wave transduction assembly includes square face rib, and the square face rib upper surface is provided with by piezoelectric chip The damping block of package, and the piezoelectric chip is electrically connected on cable base head.

Further, it is identical with edged surface rib chamfer length to be provided with a chamfer length for the noise reduction layer at the top of edged surface rib And the delthyrial cavity that apex angle is 15 °.

Compared with prior art, the utility model has the beneficial effects that

By longitudinal wave transduction assembly and oblique wave transduction assembly in the utility model, the super of the one of longitudinal wave and oblique wave is formed Sound energy exchange probe to obtain bigger ultrasonic scanning area, while passing through scanning of the angle driving device to oblique wave transduction assembly Angle is changed, and is enabled and is generated the surface sweeping of shear wave in oblique wave transduction assembly, smaller so as to carry out in guiding joint Angle change when, obtain bigger surface sweeping range, reduce the endoscope that human body is subject in endoscope scanning and rotate bring Adverse reaction.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the schematic diagram of the section structure of the utility model；

Fig. 3 is the angle driving device structure schematic diagram of the utility model.

Figure label:

It pops one's head in front of 1- cylinder；2- is oriented to joint；The bis- slope hyaline caps of 3-；4- angle driving device；5- group wave ultrasonic probe；6- Longitudinal wave transduction assembly；7- oblique wave transduction assembly；8- curvature piece；

401- flexible hollow shaft；402- first layer axle sleeve；403- second layer axle sleeve；404- third layer axle sleeve；

The face 501- rib；502- arc shell；503- noise reduction layer；504- cable base head；505- delthyrial cavity；

601- square face rib；602- damping block B；

701- edged surface rib；702- damping block A.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

As shown in Figure 1, Figure 2 and Figure 3, the utility model provides a kind of medical ultrasonic endoscope miniature ultrasonic probe group Part, including preceding probe cylinder 1 and guiding joint 2, cylinder 1 of popping one's head in front of described are internally provided with double slopes hyaline cap 3, and double slopes are saturating Bright 3 inside of cap is axial to be provided with angle driving device 4, and the top of double slope hyaline caps 3 is provided with a group wave ultrasonic probe 5, double Slope hyaline cap 3 provides the single point focus of ultrasonic wave steering, so that obtaining more rapidly transmitting and clearer figure when turning to Picture；

Described group of wave ultrasonic probe 5 includes face rib 501 and the arc shell 502 being arranged on face rib 501, the arc Shell 502 is internally provided with longitudinal wave transduction assembly 6 and oblique wave transduction assembly 7, the arc shell 502 and longitudinal wave transduction assembly 6 Noise reduction layer 503 is filled in gap between oblique wave transduction assembly 7, the longitudinal wave transduction assembly 6 and oblique wave transduction assembly 7 are logical It crosses curvature piece 8 to link together, the oblique wave transduction assembly 7 includes the edged surface rib 701 of the rectangular triangle in section, the edged surface The damping block A702 wrapped up by piezoelectric chip is provided on the inclined-plane of rib 701, the angle driving device 4 passes through arc shell 502 are connected on the apex angle side of edged surface rib 701, and one end of the arc shell 502 is provided with cable base head 504.

By longitudinal wave transduction assembly 6 and oblique wave transduction assembly 7 in the utility model, the one of longitudinal wave and oblique wave is formed Ultrasonic transduction probe, to obtain bigger ultrasonic scanning area, while by angle driving device 4 to oblique wave transduction assembly 7 Scanning angle is changed, and is enabled and is generated the surface sweeping of shear wave in oblique wave transduction assembly 7, so as to guiding joint 2 into When the lesser angle change of row, bigger surface sweeping range is obtained, reduces the endoscope rotation that human body is subject in endoscope scanning Bring adverse reaction.

The longitudinal wave transduction assembly 6 includes square face rib 601, and rib 601 upper surface in the square face is provided with by piezoelectric chip packet The damping block B602 wrapped up in, and the piezoelectric chip is electrically connected on cable base head 504.

Curvature piece 8 in the utility model be by one piece of fine and close and metal mesh doubling with a thickness of 0.2~0.5mm and At the two sides of doubling is respectively fixedly connected on edged surface rib 701 and square face rib 601, passes through the less longitudinal wave transduction assembly 6 of metal mesh With influencing each other for oblique wave transduction assembly 7.

The angle driving device 4 include extend to and lead arthrotropic flexible hollow shaft 401, and the flexible hollow shaft 401 by First layer axle sleeve 402, second layer axle sleeve 403 and third layer axle sleeve 404 are mutually close together from inside to outside, first layer axle sleeve, Second layer axle sleeve with include in third layer axle sleeve two and together with glass steel wire, and sky is formed in a manner of spiral coil Heart pipe, the end of first layer axle sleeve 402, second layer axle sleeve 403 and third layer axle sleeve 404 are fixedly connected on edged surface rib 701；

By flexible hollow shaft 401 and first layer axle sleeve 402, second layer axle sleeve 403 and third layer axle sleeve 404, so that becoming The driving that angle driving device 4 is subject to is vibrated by layer-by-layer counteracting, to obtain stable ultrasound scan images.

Noise reduction layer 503 positioned at the top of edged surface rib 701 be provided with a chamfer length it is identical with edged surface rib chamfer length and Apex angle is 15 ° of delthyrial cavity 505, to provide instep rib using curvature piece as the space around axis movement of axis.

It further remarks additionally, the angle driving device 4 in the utility model is carried out by existing driving device The angular turn of boring flexible axle 401.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

Claims (4)

1. a kind of medical ultrasonic endoscope miniature ultrasonic probe component, including preceding probe cylinder (1) and guiding joint (2), special Sign is: probe cylinder (1) is internally provided with double slope hyaline caps (3), the internal axial setting of double slope hyaline caps (3) before described Have angle driving device (4), is provided with a group wave ultrasonic probe (5) at the top of double slope hyaline caps (3)；

Described group of wave ultrasonic probe (5) includes the arc shell (502) of face rib (501) and setting on face rib (501), described Arc shell (502) is internally provided with longitudinal wave transduction assembly (6) and oblique wave transduction assembly (7), the arc shell (502) and vertical Noise reduction layer (503) are filled in gap between wave transduction assembly (6) and oblique wave transduction assembly (7), the longitudinal wave transduction assembly (6) it is linked together with oblique wave transduction assembly (7) by curvature piece (8), the oblique wave transduction assembly (7) includes that section is rectangular The edged surface rib (701) of triangle is provided with the damping block A wrapped up by piezoelectric chip on the inclined-plane of the edged surface rib (701) (702), the angle driving device (4) passes through arc shell (502) and is connected on the apex angle side of edged surface rib (701), the arc One end of shape shell (502) is provided with cable base head (504).

2. a kind of medical ultrasonic endoscope miniature ultrasonic probe component according to claim 1, it is characterised in that: the change Angle driving device (4) includes extending to lead arthrotropic flexible hollow shaft (401), and the flexible hollow shaft (401) is by first layer axis Set (402), second layer axle sleeve (403) and third layer axle sleeve (404) are mutually close together from inside to outside, first layer axle sleeve It (402), include two and glass steel wire together in second layer axle sleeve (403) and third layer axle sleeve (404), and with spiral The mode of coiling forms hollow pipe, and the end of first layer axle sleeve (402), second layer axle sleeve (403) and third layer axle sleeve (404) is solid Surely it is connected on edged surface rib (701).

3. a kind of medical ultrasonic endoscope miniature ultrasonic probe component according to claim 1, it is characterised in that: described vertical Wave transduction assembly (6) includes square face rib (601), and the square face rib (601) upper surface is provided with the damping wrapped up by piezoelectric chip Block B (602), and the piezoelectric chip is electrically connected on cable base head (504).

4. a kind of medical ultrasonic endoscope miniature ultrasonic probe component according to claim 1, it is characterised in that: be located at angle Noise reduction layer (503) at the top of face rib (701) is provided with that a chamfer length is identical with edged surface rib chamfer length and apex angle is 15 ° Delthyrial cavity (505).