CN110200658A - A kind of helical scan type miniature probe, driver and miniature probe connection structure - Google Patents
A kind of helical scan type miniature probe, driver and miniature probe connection structure Download PDFInfo
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- CN110200658A CN110200658A CN201910577727.9A CN201910577727A CN110200658A CN 110200658 A CN110200658 A CN 110200658A CN 201910577727 A CN201910577727 A CN 201910577727A CN 110200658 A CN110200658 A CN 110200658A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
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Abstract
The invention discloses a kind of helical scan type miniature probes, driver and miniature probe connection structure, including inner sheath and oversheath, rotation lock ring is arranged between inner sheath and oversheath, groove and strip bulge portion on rotation lock ring cooperate and have spring top clamping, oversheath is promoted to driver direction, groove and strip bulge part from, when terminal of the guide protrusion part with guide groove movement to guide groove, rotation lock ring rotation angle degree a can be forced, strip bulge portion is just corresponding with notch at this time, oversheath is fixing completion with the cage connection of driver, axial movement of the conduction axis in sheath can be achieved；When extracting miniature probe connector, guide protrusion part on rotation lock ring is moved from the terminal of guide groove to beginning, when moving to beginning, rotation lock ring can rotate angle-a, to make strip bulge portion and groove face, strip bulge portion can be made to hold out against in groove under the action of the spring at this time, inner sheath can be realized and oversheath is that an entirety is extracted.
Description
Technical field
The present invention relates to miniprobe sonography technical field more particularly to a kind of helical scan type miniature probes, driver and micro-
Probe connection structure.
Background technique
Miniprobe sonography diagnostic device is made of miniprobe sonography, driver and ultrasonic imaging host.Miniprobe sonography packet
Include sheath, the conduction axis flexible that is set to inside sheath, conduction axis front end ultrasonic transducer connected with miniprobe sonography
Device, conduction axis are fixedly connected with ultrasonic transducer, and conduction axis and ultrasonic transducer can move in sheath.
Miniprobe sonography connector for realizing miniprobe sonography and driver connection and release.In prior art
In, driver is provided with L-type guide groove, and miniprobe sonography is provided with lug boss.Insertion and rotary ultrasonic miniature probe on a drive,
Miniprobe sonography lug boss moves in L-type guide groove, may be implemented to lock, and miniprobe sonography is prevented to fall off.Pass through reverse rotation
Miniprobe sonography can unlock, and then can extract miniprobe sonography.
Miniprobe sonography includes that ring sweeps two kinds of type miniature probe connector and helical scan type miniature probe connector.Spiral is swept
Retouching type miniature probe connector has the function of that 3-D scanning, ultrasonic transducer can make rotation in sheath and axially retreat along sheath
Compound motion, while carrying out circular scanning and linear scan.The structure of helical scan type miniature probe connector generally comprises interior
Sheath and the oversheath being set on the outside of inner sheath, and inner sheath can be with respect to oversheath axially movable, wherein in inner sheath
It is provided with the male seat component of the base component electrical connection on driver, male seat component can freely revolve in inner sheath
Turn, but cannot axially move along inner sheath, sheath is fixed on oversheath, and conduction axis is fixed on the male seat group in inner sheath
On part, the drive module of inner sheath and driver is connected, the cage connection of oversheath and driver, but micro- for helical scan type
For probe, when miniature probe is plugged, interior oversheath needs to carry out plug operation, cumbersome inconvenience respectively.
In conclusion how to solve the problems, such as that the plug of miniprobe sonography connection structure is cumbersome inconvenient, it has also become
Those skilled in the art's technical problem urgently to be resolved.
Summary of the invention
The object of the present invention is to provide a kind of helical scan type miniature probe, driver and miniature probe connection structures, to solve
The problem of the cumbersome inconvenience of plug of miniprobe sonography connection structure.
To achieve the goals above, the present invention provides a kind of helical scan type miniature probes, including inner sheath and coaxial sleeve
It is located on the outside of the inner sheath and is capable of the oversheath of the relatively described inner sheath axial movement, the inner sheath and the oversheath
The helical scan type miniature probe is connected with driver, is arranged with rotation lock between the inner sheath and the oversheath
Ring, the shaft shoulder and retaining ring are provided on the inside of the oversheath, and the rotation lock ring is empty between the shaft shoulder and the retaining ring
It is intracavitary and can be rotated in the cavity inner circumferential, it is provided on the rotation end face of the lock ring far from the driver towards described
The groove and correspond the notch arranged with the groove that the internal diameter direction of rotation lock ring opens up, the groove is along the rotation
The axial direction of lock ring is not through the notch is axially penetrated through along the rotation lock ring, the corresponding notch of the groove
The angle formed relative to the center line of the rotation lock ring is a；
Be provided with axially disposed on the external cylindrical surface of the inner sheath and with the one-to-one strip bulge of the groove
In portion, the outer end face of the one end of the inner sheath far from the driver and the one end of the oversheath far from the driver
Spring is additionally provided between end face, the spring is for holding out against the strip bulge portion in the groove；
The rotation lock ring is provided with guiding towards guide surface is provided on the end face of the driver on the guide surface
Lug boss, the guide protrusion part are set to the guide surface toward or away from the axle center one of the helical scan type miniature probe
Side.
Preferably, the inner surface of the oversheath, which is provided with, corresponds compatible first with the strip bulge portion
Shape slot, the strip bulge portion can move in first strip groove.
Preferably, the inner surface of the oversheath is additionally provided with the second strip groove, and the outer surface of the inner sheath is provided with
Retention bead portion compatible with second strip groove, it is described when the oversheath inner sheath relatively is axially moved
Retention bead portion is slided in the second strip groove.
Preferably, the guide surface is the cylindrical surface with the rotation lock ring coaxial arrangement.
Preferably, the inner surface of the retaining ring and the oversheath is interference fit.
Preferably, the first recess portion is provided on the inner sheath；First recess portion is on the outer surface of the inner sheath
Groove, or the through-hole through the inner sheath.
Preferably, the second recess portion is provided on the oversheath；Second recess portion is on the inner surface of the oversheath
Groove, or the through-hole through the oversheath.
In introducing content, above-mentioned helical scan type miniature probe, including inner sheath compared to background technique and being coaxially set in
On the outside of sheath and by helical scan type miniature probe and it can be driven with respect to the oversheath of inner sheath axial movement, inner sheath and oversheath
Dynamic device is connected, and rotation lock ring is arranged between inner sheath and oversheath, and the shaft shoulder and retaining ring are provided on the inside of oversheath, rotation
Lock ring can rotate in cavity and in cavity inner circumferential between the shaft shoulder and retaining ring, rotate lock ring far from the end face of driver
It is provided with the notch that arrangement is corresponded towards the groove that opens up of internal diameter direction of rotation lock ring and with groove, groove is along rotation lock ring
It is axial not through notch is axially penetrated through along rotation lock ring, the center line of the corresponding notch relative rotation lock ring of groove
The angle of formation is a；Be provided with axially disposed on the external cylindrical surface of inner sheath and with the one-to-one strip bulge portion of groove,
Bullet is additionally provided between the inner face of outer end face and oversheath far from one end of driver of the one end of inner sheath far from driver
Spring, spring is for holding out against strip bulge portion in groove；Rotation lock ring is led towards guide surface is provided on the end face of driver
Guide protrusion part is provided on face, guide protrusion part is set to guide surface toward or away from the axle center of helical scan type miniature probe
Side.The helical scan type miniature probe of this kind of structure, it is in actual application, when grafting, oversheath is right on driver
The link position answered pushes, and male seat component and base component are chimeric first, and realize electrical connection, and oversheath is continued to driving
Device direction promotes, inner sheath position on business holder assembly and base component chimeric dieback and no longer change position, bar shaped on inner sheath
Lug boss is separated with groove relative motion, while rotating the guide groove on the guide holder of the guide protrusion part on lock ring and driver
Beginning contact, with the advancing movement of oversheath, guide protrusion part forces rotation lock with the terminal of guide groove movement to guide groove
Ring rotates angle a, and strip bulge portion is just corresponding with notch at this time, and oversheath has been fixed in the cage connection with driver
At due to strip bulge portion and notch face, the axial movement of inner sheath is without hindrance, additionally due to inner sheath and conduction axis
It is fixedly connected, oversheath is fixedly connected with sheath, therefore axial movement of the conduction axis in sheath may be implemented；When the micro- spy of extraction
When head connector, the shell of oversheath and driver is forced to release connection by the effect of external force first, then as oversheath
It is moved far from drive enclosure, the guide protrusion part rotated on lock ring is moved from the terminal of guide groove to beginning, when moving to beginning
When, rotation lock ring can rotate angle-a, to make strip bulge portion and groove face, can make item under the action of the spring at this time
Shape lug boss is held out against in groove, and inner sheath can be realized and oversheath is that an entirety is extracted.Above-mentioned miniature probe connector is real
Show whole plug, avoided the troublesome operation that inner sheath and oversheath plug respectively, enormously simplifies plug operation.
In addition, the present invention also provides a kind of driver, for connecting miniprobe sonography, including shell and setting described
Driving mechanism in shell, the driver include the first pedestal and the second peripheral base for being disposed coaxially on first pedestal
, the jack for being inserted into the miniprobe sonography, the relatively described driving of the second pedestal are provided on first pedestal
The enclosure location of device is fixed, and first pedestal being capable of the relatively described second pedestal axial movement；It is arranged on the driver
There is the relatively described changeless guide holder of enclosure location, is provided with guide groove, the extending direction of the guide groove on the guide holder
To be axial with circumferential combination, and the angle that rotates in a circumferential direction of the beginning of the guide groove guide holder opposite with terminal is a.
Since the driver is the connection structure to match with above-mentioned helical scan type miniature probe connector, and above-mentioned spiral
Sweep type miniature probe has above-mentioned technique effect, and therefore, which should also have corresponding technical effect, no longer superfluous herein
It states.
Preferably, the guide holder is the cylindrical surface being coaxially disposed with first pedestal and second pedestal.
Preferably, the inner or outer side of first pedestal is arranged in the guide holder.
Preferably, the guide groove is the groove on the guiding base inner surface or outer surface, or on the guide holder
Through slot.
Preferably, the first elastic buckles are provided on the inner surface of first pedestal.
Preferably, the second elastic buckles are provided on the outer surface of second pedestal.
In addition to this, the present invention also provides a kind of miniature probe connection structures, including spiral shell described in any of the above-described scheme
Revolve driver described in sweep type miniature probe and any of the above-described scheme；Wherein, the beginning of the guide groove is opposite with terminal described
The corresponding notch of the angle that rotates in a circumferential direction of guide holder, the groove is formed relative to the center line of the rotation lock ring
Angle is equal angles；
When the beginning of the guide protrusion part and the guide groove cooperates, the strip bulge portion engages with the groove；
When terminal of the guide protrusion part along the guide groove movement to the guide groove, the oversheath is connected to the driver
Position, and the strip bulge portion and the notch cooperate.
The miniature probe connection structure is in actual application, corresponding on the shell of driver by oversheath when grafting
Link position push, male seat component and base component are chimeric first, and realize electrical connection, and oversheath is continued to driver
Direction promotes, inner sheath position on business holder assembly and base component chimeric dieback and no longer change position, bar shaped is convex on inner sheath
It plays portion and groove relative motion and separates, while the beginning for rotating the guide groove in guide protrusion part and guide holder on lock ring connects
Touching, with the advancing movement of oversheath, guide protrusion part forces rotation lock ring rotation angle with the terminal of guide groove movement to guide groove
A is spent, strip bulge portion is just corresponding with notch at this time, and oversheath is fixing completion with the cage connection of driver, due to
Strip bulge portion and notch face, therefore the axial movement of inner sheath is without hindrance, additionally due to inner sheath and the fixed company of conduction axis
It connects, oversheath is fixedly connected with sheath, therefore axial movement of the conduction axis in sheath may be implemented；It is connected when extracting miniature probe
When device, the shell of oversheath and driver is forced to release connection by the effect of external force first, then as oversheath far from drive
Dynamic device shell movement, the guide protrusion part rotated on lock ring is moved from the terminal of guide groove to beginning, when moving to beginning, rotation
Lock ring can rotate angle-a, to make strip bulge portion and groove face, can make strip bulge under the action of the spring at this time
Portion is held out against in groove, and inner sheath can be realized and oversheath is that an entirety is extracted.Above-mentioned miniature probe connector realizes whole
Body plug, avoids the troublesome operation that inner sheath and oversheath plug respectively, enormously simplifies plug operation.
Preferably, the second recess portion is provided on the oversheath of the helical scan type miniature probe, second recess portion is institute
State the groove on the inner surface of oversheath, or the through-hole through the oversheath；The outer surface of second pedestal of the driver
On be provided with the second elastic buckles；When the oversheath is connect in place with second pedestal, second recess portion and described the
Two elastic buckles snap locks.
Preferably, the first recess portion is provided on the inner sheath of the helical scan type miniature probe, first recess portion is institute
State the groove on the outer surface of inner sheath or the through-hole through the inner sheath；On the inner surface of first pedestal of the driver
It is provided with the first elastic buckles；When the inner sheath is connect in place with first pedestal, first recess portion and described first
Elastic buckles snap lock.
Preferably, the miniature probe connection structure further includes that ring sweeps type miniature probe, and the ring is swept on the sheath of type miniature probe
It is provided with third recess portion, the third recess portion is the groove on the outer surface of the sheath or the through-hole through the sheath；When
When the sheath is connect in place with first pedestal, the third recess portion and the first elastic buckles snap lock.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of helical scan type miniature probe connector provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of driver provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram that driver provided in an embodiment of the present invention faces base component；
Fig. 4 is the structural schematic diagram of rotation lock ring provided in an embodiment of the present invention；
Fig. 5 is that the attachment structure schematic diagram of helical scan type miniature probe connector provided in an embodiment of the present invention (is oriented to convex
The portion of rising is located at the beginning of guide groove)；
Fig. 6 is that the attachment structure schematic diagram of helical scan type miniature probe connector provided in an embodiment of the present invention (is oriented to convex
The portion of rising is located at the terminal of guide groove)；
Fig. 7 is showing for the linear scanning of the connection structure of helical scan type miniature probe connector provided in an embodiment of the present invention
It is intended to；
Fig. 8 is the structural schematic diagram that ring provided in an embodiment of the present invention sweeps type miniature probe connector.
In above-mentioned Fig. 1-Fig. 8,
Inner sheath 1, male seat component 11, strip bulge portion 12, retention bead portion 13, the first recess portion 14, oversheath 2, the shaft shoulder
21, retaining ring 22, the first strip groove 23, the second recess portion 24, driver 3, base component 31, the first elastic buckles 311, shell 32, lead
To seat 321, guide groove 3210, the second elastic buckles 322, the first pedestal 33, the second pedestal 34, rotation lock ring 4, groove 41, notch 42,
Guide surface 43, guide protrusion part 430, spring 5, sheath 6, recess portion 61, conduction axis 7, sheath 8.
Specific embodiment
Core of the invention is to provide a kind of helical scan type miniature probe, driver and miniature probe connection structure, to solve
The problem of the cumbersome inconvenience of plug of miniprobe sonography connection structure.
In order to make those skilled in the art more fully understand technical solution provided by the invention, below in conjunction with attached drawing and
The present invention is described in further detail for specific embodiment.
As Figure 1-Figure 8, a kind of helical scan type miniature probe provided in an embodiment of the present invention, including inner sheath 1 and same
Axle sleeve is located at the oversheath 2 that can be axially moved on the outside of inner sheath 1 and with respect to inner sheath 1, inner sheath 1 and oversheath 2 for spiral
Sweep type miniature probe is connected with driver 3, and rotation lock ring 4, the inside of oversheath 2 are arranged between inner sheath 1 and oversheath 2
It is provided with the shaft shoulder 21 and retaining ring 22, rotating lock ring 4, cavity is interior between the shaft shoulder 21 and retaining ring 22 and can be in cavity inner circumferential
Rotation, rotate be provided on end face of the lock ring 4 far from driver 3 towards rotation lock ring 4 the groove 41 that opens up of internal diameter direction and with
Groove 41 corresponds the notch 42 of arrangement, and groove 41 is along the axial not through notch 42 is along rotation lock ring 4 of rotation lock ring 4
It axially penetrates through, the angle that the center line of the corresponding 42 relative rotation lock ring 4 of notch of groove 41 is formed is a；Inner sheath 1
Be provided with axially disposed on external cylindrical surface and with the one-to-one strip bulge portion 12 of groove 41, inner sheath 1 is far from driver 3
One end the one end of outer end face and oversheath 2 far from driver 3 inner face between be additionally provided with spring 5, spring 5 is for making
Strip bulge portion 12 is held out against in groove 41；Rotation lock ring 4 is towards being provided with guide surface 43, guide surface on the end face of driver 3
Guide protrusion part 430 is provided on 43, guide protrusion part 430 is set to guide surface 43 toward or away from the micro- spy of helical scan type
The axle center side of head.
The helical scan type miniature probe of this kind of structure, in actual application, when grafting, by oversheath on driver
Corresponding link position pushes, and male seat component and base component are chimeric first, and realize electrical connection, and oversheath is continued to drive
Dynamic device direction promotes, inner sheath position on business holder assembly and base component chimeric dieback and no longer change position, item on inner sheath
Shape lug boss is separated with groove relative motion, while rotating leading on the guide holder of the guide protrusion part on lock ring and driver
The beginning of slot contacts, and with the advancing movement of oversheath, guide protrusion part forces rotation with the terminal of guide groove movement to guide groove
Lock ring rotates angle a, and strip bulge portion is just corresponding with notch at this time, and oversheath is fixed in the cage connection with driver
It completes, due to strip bulge portion and notch face, the axial movement of inner sheath is without hindrance, additionally due to inner sheath and conduction
Axis is fixedly connected, and oversheath is fixedly connected with sheath, therefore axial movement of the conduction axis in sheath may be implemented；It is micro- when extracting
When probe connector, the shell of oversheath and driver is forced to release connection by the effect of external force first, then as outer shield
It covers and is moved far from drive enclosure, the guide protrusion part rotated on lock ring is moved from the terminal of guide groove to beginning, is begun when moving to
When end, rotation lock ring can rotate angle-a, to make strip bulge portion and groove face, can make under the action of the spring at this time
Strip bulge portion is held out against in groove, and inner sheath can be realized and oversheath is that an entirety is extracted.Above-mentioned miniature probe connector
Whole plug is realized, the troublesome operation that inner sheath and oversheath plug respectively is avoided, enormously simplifies plug operation.
What needs to be explained here is that those skilled in the art will readily appreciate that, it is provided on general driver
Base component 31 is provided with male seat component 11 on miniature probe, and male seat component and base modular connector, which are realized, to be electrically connected.And it is directed to
For helical scan type miniature probe, male seat component can rotate freely in inner sheath, but cannot do axis along inner sheath
To movement, so that male seat component 11 is enabled to rotate under the drive of base component 31, and conduction axis 7 is fixed on male seat component
On 11, sheath 8 is fixed on oversheath, is able to drive 7 rotational motion of conduction axis by the rotation of base component；Pass through inner sheath
Opposite oversheath is axially moved the linear movement for realizing conduction axis 7.Therefore, helical scan type miniature probe can carry out annular simultaneously
Scanning and linear scan.
It is further to note that above-mentioned guide protrusion part 430 can be set in the outer surface of guide surface 43, can also set
Setting inner surface namely guide protrusion part 430 in guide surface 43 can be set in guide surface 43 towards helical scan type miniature probe
Axle center side, also can be set backwards to helical scan type miniature probe axle center side.When the setting of guide protrusion part 430 is being led
When on the outer surface in face 43, leading on a drive is arranged in the corresponding guide groove 3210 that guiding is matched with guide protrusion part 430
To the inside on the cylindrical surface of seat 321, and guide holder internal diameter is less than the outer diameter of guide surface 43；When the setting of guide protrusion part 430 is being led
To face 43 inner surface when, the guiding of the setting of guide groove 3210 of the corresponding guiding that matches with guide protrusion part 430 on a drive
The outside on the cylindrical surface of seat 321, and guide holder outer diameter is greater than the outer diameter of guide surface 43.
In addition, it should be noted that, the quantity of above-mentioned groove 41 can be multiple, or one, practical application mistake
Choice arrangement can be carried out in journey according to actual needs, the embodiment of the present invention is preferably several, and is circumferentially evenly arranged, by
Be in notch and groove it is one-to-one, when the quantity of groove is multiple, the quantity of corresponding notch also should be multiple.
In some specific embodiments, the inner surface of above-mentioned oversheath 2 is provided with a pair of with strip bulge portion 12 1
Compatible first strip groove 23 is answered, strip bulge portion 12 can move in the first strip groove 23.Pass through setting above-mentioned first
Strip groove 23 further ensures and is merely capable of that axial linear motion occurs between inner sheath and oversheath, and defines two
Relative rotation between person, then can be avoided rotation lock ring 4 and inner sheath between due to prolonged exercise stick to each other, cause
The problem of driving inner sheath rotation when rotation lock ring rotation and strip bulge portion can not be aligned with notch.
In some more particular embodiments, in order to guarantee stability of the inner sheath with respect to oversheath axial movement,
The inner surface of oversheath 2 is additionally provided with the second strip groove, and the outer surface of inner sheath 1 is provided with limit compatible with the second strip groove
Position lug boss 13, when oversheath 2 is axially moved with respect to inner sheath 1, retention bead portion 13 is slided in the second strip groove.
In further embodiment, above-mentioned guide surface 43 is preferably the cylindrical surface being coaxially disposed with rotation lock ring 4.Certainly
It is understood that above-mentioned guide surface can also be the vertical plate planar structure being arranged on the end face of rotation lock ring, only set
The structure for counting into cylindrical surface is more favorable for being oriented to, while being more favorable to reduce the arrangement space of guide surface.
In some more particular embodiments, the inner surface of above-mentioned retaining ring 22 and oversheath 2 can be interference fit,
Mode, such as the mode etc. of screw locking connection can be fixedly connected with for common other of those skilled in the art.
What needs to be explained here is that in order to realize the first pedestal 33 on driver and the fastening between inner sheath 1, generally
For, the first elastic buckles 311 being arranged on the inner surface of the first pedestal 33 are provided with and the first elastic buckles 311 on inner sheath 1
The first recess portion 14 to match；First recess portion 14 can be the groove on the outer surface of inner sheath 1, be also possible to through interior shield
The through-hole of set 1；For the purposes of realizing the fastening between the second pedestal 34 and oversheath 2 on driver, in general, the second base
The outer surface of seat 34 is provided with the second elastic buckles 322, and it is recessed that compatible with the second elastic buckles 322 second is provided on oversheath 2
Portion 24；Second recess portion 24 can be the groove on the inner surface of oversheath 2, or through the through-hole of oversheath 2.
In addition, the present invention also provides a kind of drivers, for connecting miniprobe sonography, which includes 32 He of shell
Driving mechanism in shell 32 is set, and driver 3 includes the first pedestal 33 and the periphery for being disposed coaxially on the first pedestal 33
Second pedestal 34 is provided with the jack for being inserted into miniprobe sonography, the corresponding male seat group on miniature probe on first pedestal 33
The base component of part electrical connection is just arranged in inside the jack, and 32 position of shell of 34 opposing driver of the second pedestal is fixed,
And first pedestal 33 can be axially moved with respect to the second pedestal 34；It is provided with that opposite shell position is changeless to lead on driver
To seat 321, it is provided with guide groove 3210 on guide holder 321, the extending direction of guide groove 3210 is the axial combination with circumferential direction, and guide groove
The angle that rotates in a circumferential direction that 3210 beginning and terminal is oppositely oriented seat is a.
Since the driver is the connection structure to match with above-mentioned helical scan type miniature probe connector, and above-mentioned spiral
Sweep type miniature probe has above-mentioned technique effect, and therefore, which should also have corresponding technical effect, no longer superfluous herein
It states.
In some specific embodiments, above-mentioned guide holder 321 is preferably same with the first pedestal 33 and the second pedestal 34
The cylindrical surface of axis setting.Of course, it should be understood that above-mentioned cylindrical surface is only the embodiment of the present invention for guide seat structure
Preferable examples, above-mentioned cylindrical surface can also be setting vertical plate planar structure, be only designed to the structure on cylindrical surface more
Conducive to guiding, while being more favorable to the arrangement space of the guide holder reduced on driver.
What needs to be explained here is that above-mentioned guide holder 321 can be set in the inside of the first pedestal 33, also can be set
The outside of first pedestal 33.As long as its position can be arranged on the rotation lock ring 4 on corresponding helical scan type miniature probe
Guide surface 43 is corresponding.
It is further to note that guide groove 3210 can be the groove being arranged on 321 inner surface of guide holder or outer surface,
Or the through slot on guide holder 321.When the inside on the cylindrical surface of the guide holder 321 of the setting of guide groove 3210 on a drive
When, the corresponding guide protrusion part 430 that guiding is matched with guide groove 3210 is arranged on the outer surface of guide surface 43, and guide holder
Internal diameter is less than the outer diameter of guide surface 43；When the outside on the cylindrical surface of the guide holder 321 of the setting of guide groove 3210 on a drive,
The inner surface of guide surface 43 is arranged in the corresponding guide protrusion part 430 that guiding is matched with guide groove 3210, and guide holder outer diameter is big
In the outer diameter of guide surface 43.Moreover, it is desirable to explanation, guide holder can be first pedestal 33 increased newly in driver
The newly-increased component of inner or outer side arrangement, guide groove can also be directly provided on the second pedestal.
It should be noted that in order to realize being fastened and connected for driver and miniature probe connector, in general, the first pedestal
The first elastic buckles 311 being arranged on 33 inner surface, first elastic buckles 311 are used for and the first recess portion for being arranged on inner sheath 1
14 are fastened and connected；For the purposes of realizing the fastening between the second pedestal 34 and oversheath 2 on driver, in general, second
The outer surface of pedestal 34 is provided with the second elastic buckles 322, second elastic buckles 322 be used for be arranged on oversheath 2 it is second recessed
Portion 24 is fastened and connected.Of course, it should be understood that above-mentioned is only the embodiment of the present invention in such a way that elastic buckles are fastened and connected
Connection type in preferable examples, in actual application, can also be other common companies of those skilled in the art
Connect mode.
In addition to this, the present invention also provides a kind of miniature probe connection structures, including spiral shell described in any of the above-described scheme
Revolve driver described in sweep type miniature probe and any of the above-described scheme；Wherein, the beginning of guide groove 3210 is oppositely oriented with terminal
The angle that the center line of the corresponding 42 relative rotation lock ring 4 of notch of the angle that rotates in a circumferential direction of seat, groove 41 is formed is equal
Angle；
When the beginning of guide protrusion part 430 and guide groove 3210 cooperates, strip bulge portion 12 engages with groove 41；When leading
When moving to the terminal of guide groove 3210 along guide groove 3210 to lug boss 430, oversheath 2 is connect in place with driver 3, and bar shaped
Lug boss 12 and notch 42 cooperate.
In actual application, when grafting, by oversheath, corresponding link position is pushed on the shell of driver, public
Holder assembly and base component are chimeric first, and realize electrical connection, oversheath are continued to promote to driver direction, inner sheath position
It sets on business holder assembly and base component chimeric dieback and no longer changes position, strip bulge portion and groove relative motion on inner sheath
And separate, while rotating the guide protrusion part on lock ring and being contacted with the beginning of the guide groove on guide holder, with the propulsion of oversheath
Movement, guide protrusion part force rotation lock ring rotation angle degree a, at this time strip bulge portion with the terminal of guide groove movement to guide groove
It is just corresponding with notch, and oversheath with the cage connection of driver is fixed completes, just due to strip bulge portion and notch
It is right, therefore the axial movement of inner sheath is without hindrance, additionally due to inner sheath is fixedly connected with conduction axis, oversheath is fixed with sheath
Connection, therefore axial movement of the conduction axis in sheath may be implemented；When extracting miniature probe connector, pass through external force first
Effect forces the shell of oversheath and driver to release connection, moves then as oversheath far from drive enclosure, rotation lock
Guide protrusion part on ring is moved from the terminal of guide groove to beginning, and when moving to beginning, rotation lock ring can rotate angle-a, from
And make strip bulge portion and groove face, strip bulge portion can be made to hold out against in groove under the action of the spring at this time
It realizes inner sheath and oversheath is that an entirety is extracted.Above-mentioned miniature probe connector realizes whole plug, avoids inner sheath
The troublesome operation plugged respectively with oversheath enormously simplifies plug operation.
It should be noted that being connect when above-mentioned miniature probe connection structure is applied to helical scan type miniature probe with driver
When, when oversheath is connect with the second pedestal, due to being provided with the second recess portion 24 on the oversheath 2 of helical scan type miniature probe,
And second recess portion 24 can be the groove on the inner surface of oversheath 2, be also possible to the through-hole through oversheath 2；Driving
The second elastic buckles 322 are provided on the outer surface of second pedestal 34 of device；When oversheath 2 is connect in place with the second pedestal 34,
322 snap lock of second recess portion 24 and the second elastic buckles；Similarly, when inner sheath is connect with the first pedestal, due to helical scan type
The first recess portion 14 is provided on the inner sheath 1 of miniature probe, the first recess portion 14 is for the groove on the outer surface of inner sheath 1 or through interior
The through-hole of sheath 1；The first elastic buckles 311 are provided on the inner surface of first pedestal 33 of driver；When inner sheath 1 and first
When pedestal 33 is connected in place, 311 snap lock of the first recess portion 14 and the first elastic buckles.
When above-mentioned miniature probe connection structure, which sweeps type miniature probe applied to ring, to be connect with driver, above-mentioned miniature probe connection knot
Structure further includes that ring sweeps type miniature probe, and ring is swept and is provided with third recess portion 61 on the sheath 6 of type miniature probe, and third recess portion 61 is sheath 6
Outer surface on groove or through-hole through sheath 6；When sheath 6 is connect in place with the first pedestal 33, third recess portion 61 with
First elastic buckles, 311 snap lock.
Helical scan type miniature probe provided by the present invention, driver and miniature probe connection structure have been carried out in detail above
It introduces.It should be noted that all the embodiments in this specification are described in a progressive manner, each embodiment emphasis is said
Bright is the difference from other embodiments, and the same or similar parts between the embodiments can be referred to each other.
It should also be noted that, herein, such as the terms "include", "comprise" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that article or equipment including a series of elements not only include those elements, but also
It including other elements that are not explicitly listed, or further include for this article or the intrinsic element of equipment.Do not having
In the case where more limitations, the element that is limited by sentence "including a ...", it is not excluded that in the article including above-mentioned element
Or there is also other identical elements in equipment.
Used herein a specific example illustrates the principle and implementation of the invention, and above embodiments are said
It is bright to be merely used to help understand the core idea of the present invention.It should be pointed out that for those skilled in the art,
Without departing from the principle of the present invention, can be with several improvements and modifications are made to the present invention, these improvement and modification
It falls into the protection scope of the claims in the present invention.
Claims (17)
1. a kind of helical scan type miniature probe, including inner sheath (1) and coaxially it is set on the outside of the inner sheath (1) and being capable of phase
To the oversheath (2) that the inner sheath (1) is axially moved, the inner sheath (1) and the oversheath (2) are by the helical scanning
Type miniature probe is connected with driver (3), which is characterized in that
Rotation lock ring (4), the inside setting of the oversheath (2) are arranged between the inner sheath (1) and the oversheath (2)
There are the shaft shoulder (21) and retaining ring (22), the rotation lock ring (4) is between the shaft shoulder (21) and the retaining ring (22) in cavity
And can be rotated in the cavity inner circumferential, it is provided on the end face of rotation lock ring (4) separate the driver (3) towards institute
The internal diameter direction groove (41) opened up of rotation lock ring (4) and the notch (42) arranged with the groove (41) one-to-one correspondence are stated,
The groove (41) is along the axial not through axial direction of the notch (42) along rotation lock ring (4) of rotation lock ring (4)
Run through, the angle that the corresponding notch (42) of the groove (41) is formed relative to the center line of rotation lock ring (4)
For a；
It is provided with axially disposed on the external cylindrical surface of the inner sheath (1) and convex with the one-to-one bar shaped of the groove (41)
It rises portion (12), the outer end face of the one end of the inner sheath (1) far from the driver (3) and the oversheath (2) are far from described
It is additionally provided between the inner face of one end of driver (3) spring (5), the spring (5) is for making the strip bulge portion
(12) it holds out against in the groove (41)；
Rotation lock ring (4) is towards being provided with guide surface (43) on the end face of the driver (3), on the guide surface (43)
It is provided with guide protrusion part (430), the guide protrusion part (430) is set to the guide surface (43) toward or away from the spiral shell
Revolve the axle center side of sweep type miniature probe.
2. helical scan type miniature probe as described in claim 1, which is characterized in that the inner surface of the oversheath (2) is arranged
Have and correspond compatible first strip groove (23) with the strip bulge portion (12), the strip bulge portion (12) can be
Movement in first strip groove (23).
3. helical scan type miniature probe as described in claim 1, which is characterized in that the inner surface of the oversheath (2) is also set
It is equipped with the second strip groove, the outer surface of the inner sheath (1) is provided with retention bead portion compatible with second strip groove
(13), when the oversheath (2) inner sheath (1) relatively is axially moved, the retention bead portion (13) is described second
Sliding in strip groove.
4. helical scan type miniature probe as described in claim 1, which is characterized in that the guide surface (43) be and the rotation
The cylindrical surface (43) of lock ring (4) coaxial arrangement.
5. helical scan type miniature probe as described in claim 1, which is characterized in that the retaining ring (22) and the oversheath
(2) inner surface is interference fit.
6. helical scan type miniature probe as described in claim 1, which is characterized in that be provided with first on the inner sheath (1)
Recess portion (14)；First recess portion (14) is the groove on the outer surface of the inner sheath (1), or runs through the inner sheath (1)
Through-hole.
7. helical scan type miniature probe as described in claim 1, which is characterized in that be provided with second on the oversheath (2)
Recess portion (24)；Second recess portion (24) is the groove on the inner surface of the oversheath (2), or runs through the oversheath (2)
Through-hole.
8. a kind of driver, for connecting miniprobe sonography, including shell (32) and the driving being arranged in the shell (32)
Mechanism, the driver (3) include the first pedestal (33) and the second peripheral base for being disposed coaxially on first pedestal (33)
Seat (34) is provided with the jack for being inserted into the miniprobe sonography, second pedestal (34) on first pedestal (33)
Shell (32) position of the relatively described driver is fixed, and first pedestal (33) being capable of relatively described second pedestal (34) axis
To movement；
It is characterized in that, the relatively described changeless guide holder of enclosure location (321) is provided on the driver, it is described to lead
It is provided on seat (321) guide groove (3210), the extending direction of the guide groove (3210) is axial and circumferential combination, and described
The angle that rotates in a circumferential direction of the beginning of guide groove (3210) guide holder opposite with terminal is a.
9. driver as claimed in claim 8, which is characterized in that the guide holder (321) be and first pedestal (33)
With the cylindrical surface of second pedestal (34) coaxial arrangement.
10. driver as claimed in claim 9, which is characterized in that the guide holder (321) is arranged in first pedestal
(33) inner or outer side.
11. driver as claimed in claim 9, which is characterized in that the guide groove (3210) is the guide holder (321) interior table
Groove on face or outer surface, or be the through slot on the guide holder (321).
12. driver as claimed in claim 8, which is characterized in that be provided on the inner surface of first pedestal (33)
One elastic buckles (311).
13. driver as claimed in claim 8, which is characterized in that be provided on the outer surface of second pedestal (34)
Two elastic buckles (322).
14. a kind of miniature probe connection structure, which is characterized in that including helical scanning according to any one of claims 1 to 5
Type miniature probe and such as described in any item drivers of claim 8-11；
Wherein, the angle that rotates in a circumferential direction of the beginning guide holder opposite with terminal of the guide groove (3210), the groove (41)
The angle that the corresponding notch (42) is formed relative to the center line of rotation lock ring (4) is equal angles；
When the beginning of the guide protrusion part (430) and the guide groove (3210) cooperates, the strip bulge portion (12) and institute
State groove (41) engaging；When the guide protrusion part (430) moves to along the guide groove (3210) end of the guide groove (3210)
When end, the oversheath (2) connect in place with the driver (3), and the strip bulge portion (12) and the notch (42)
Cooperation.
15. miniature probe connection structure as claimed in claim 14, which is characterized in that the outer shield of the helical scan type miniature probe
It being provided with the second recess portion (24) on set (2), second recess portion (24) is the groove on the inner surface of the oversheath (2), or
Through-hole through the oversheath (2)；
The second elastic buckles (322) are provided on the outer surface of the second pedestal (34) of the driver；
When the oversheath (2) is connect in place with second pedestal (34), second recess portion (24) and second bullet
Property button (322) snap lock.
16. such as the described in any item miniature probe connection structures of claim 14-15, which is characterized in that the helical scan type is micro-
It is provided with the first recess portion (14) on the inner sheath (1) of probe, first recess portion (14) is on the outer surface of the inner sheath (1)
Groove or run through the inner sheath (1) through-hole；
The first elastic buckles (311) are provided on the inner surface of the first pedestal (33) of the driver；
When the inner sheath (1) is connect in place with first pedestal (33), first recess portion (14) and first bullet
Property button (311) snap lock.
17. such as the described in any item miniature probe connection structures of claim 16, which is characterized in that the miniature probe connection structure is also
Type miniature probe is swept including ring, and the ring is swept and is provided with third recess portion (61) on the sheath (6) of type miniature probe, the third recess portion
(61) for the groove on the outer surface of the sheath (6) or through the through-hole of the sheath (6)；
When the sheath (6) is connect in place with first pedestal (33), the third recess portion (61) and first elasticity
Detain (311) snap lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910577727.9A CN110200658A (en) | 2019-06-28 | 2019-06-28 | A kind of helical scan type miniature probe, driver and miniature probe connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910577727.9A CN110200658A (en) | 2019-06-28 | 2019-06-28 | A kind of helical scan type miniature probe, driver and miniature probe connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110200658A true CN110200658A (en) | 2019-09-06 |
Family
ID=67795435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910577727.9A Pending CN110200658A (en) | 2019-06-28 | 2019-06-28 | A kind of helical scan type miniature probe, driver and miniature probe connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110200658A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023160468A1 (en) * | 2022-02-22 | 2023-08-31 | 声索生物科技(上海)有限公司 | Ultrasonic probe rotating device |
-
2019
- 2019-06-28 CN CN201910577727.9A patent/CN110200658A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023160468A1 (en) * | 2022-02-22 | 2023-08-31 | 声索生物科技(上海)有限公司 | Ultrasonic probe rotating device |
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