CN210931361U - Rotary scanning imaging probe - Google Patents
Rotary scanning imaging probe Download PDFInfo
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- CN210931361U CN210931361U CN201921352723.2U CN201921352723U CN210931361U CN 210931361 U CN210931361 U CN 210931361U CN 201921352723 U CN201921352723 U CN 201921352723U CN 210931361 U CN210931361 U CN 210931361U
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Abstract
The utility model provides a rotary scanning imaging probe, which comprises a signal transmission connecting part, an outer sheath, an imaging inner core and a rotating mechanism, wherein the imaging inner core is arranged in the outer sheath, and the near end of the imaging inner core is connected with the far end of the imaging inner core by adopting a flexible rotating shaft; the near end of the outer sheath is connected with the signal transmission connecting part, and the near end of the imaging inner core is connected with the signal transmission connecting part; the rotating mechanism comprises a stator fixed at the far end of the outer sheath and a rotor fixed at the far end of the imaging inner core, and the rotor is rotationally connected with the stator; the imaging unit is fixed at the far end of the imaging inner core; the distal end of the outer sheath is also provided with an imaging window, and the imaging unit corresponds to the imaging window in position. The technical scheme of the utility model realizes the imaging position change control of the imaging probe by arranging the rotating mechanism, the imaging probe can realize accurate imaging, and the inspection result is more accurate; the repeated use of the small ultrasonic probe is ensured, the service life of the probe is prolonged, and the product cost is reduced.
Description
Technical Field
The utility model belongs to relate to medical instrument intervenes the image field, especially relates to a rotatory scanning imaging probe.
Background
In modern medical intervention human body diagnosis and treatment, an imaging probe usually enters a human body cavity by using auxiliary equipment (such as an electronic endoscope) for examination, and the imaging probe rotates at a high speed of 360 degrees in an inner body cavity to acquire a tomographic image of tissue in the human body cavity, so that early canceration and tiny tumors in the tissue are examined, and the method is a common method for diagnosing tissue lesion in the human body cavity at present. The technology used in the imaging probe relates to the technologies of ultrasonic imaging, optical imaging and the like, products which are used in clinical practice, such as an ultrasonic endoscope imaging probe, an optical coherence tomography imaging probe and the like, work in the following modes: the imaging inner core in the imaging probe performs two-dimensional rotary scanning in the imaging outer sheath, and because the technologies have imaging depth information, two-dimensional image information of the tissue of the cavity can be obtained. In the clinic, the distal end of the outer sheath is typically sealed, protecting the imaging core and preserving the coupling medium between the core and the outer sheath. In the imaging probe used in clinic, the distal end of the imaging core freely rotates and scans in the outer sheath, so that the imaging core or the outer sheath in the imaging probe is often deformed (lengthened or shortened) in the length direction, so that the imaging core deviates from the imaging window of the outer sheath, and a signal sent by the imaging core cannot penetrate through the outer sheath and cannot be imaged, or the imaging core cannot rotate and scan due to the fact that the inner core props against the distal end of the outer sheath, or the imaging core is far away from the distal end of the imaging sheath to leave an invalid length of the distal end of the imaging probe, which brings inconvenience to the operation of a clinician.
SUMMERY OF THE UTILITY MODEL
To above technical problem, the utility model discloses a rotatory scanning imaging probe has successfully solved the problem that imaging core or epitheca took place deformation (elongated or shorten) in length direction among the imaging probe, makes the doctor more convenient in the inspection process for the patient, and the result of inspection is more accurate.
To this end, the utility model discloses a technical scheme do:
an imaging rotary scanning probe comprises a signal transmission connecting part, an outer sheath, an imaging inner core and a rotating mechanism, wherein the imaging inner core is arranged in the outer sheath, and the near end of the imaging inner core is connected with the far end of the imaging inner core through a flexible rotating shaft; the near end of the outer sheath is connected with the signal transmission connecting part, and the near end of the imaging inner core is connected with the signal transmission connecting part; the imaging inner core is transmitted from the rotating torque generated by the near end to the far end through the flexible rotating shaft to drive the imaging inner core to do rotating scanning in the outer sheath; the rotating mechanism comprises a stator fixed at the far end of the outer sheath and a rotor fixed at the far end of the imaging inner core, and the rotor is rotationally connected with the stator; the imaging unit is fixed at the far end of the imaging inner core; the distal end of the outer sheath is also provided with an imaging window, and the imaging unit corresponds to the imaging window in position.
By adopting the technical scheme, the structure of the imaging inner core or the outer sheath in the imaging probe is optimized, the stator fixed at the far end of the outer sheath and the rotor fixed at the far end of the imaging inner core are combined to form the rotating mechanism, and the imaging unit at the far end of the imaging inner core performs rotary scanning in the imaging window at the far end of the outer sheath, so that the imaging position is more accurate, and a doctor can be better helped to diagnose a patient.
As a further improvement of the utility model, the outer sheath is a flexible protective sheath.
As a further improvement of the utility model, the end of the sheath is sealed.
As the utility model discloses a further improvement, one side outer wall of formation of image unit sets up in the rotor, guarantees that the formation of image unit is when rotating along with the rotor, accomplishes the function of formation of image.
As a further improvement of the utility model, the stator and the sheath are integrally formed.
As a further improvement of the utility model, the stator and the sheath are integrated through injection molding.
As a further improvement of the present invention, the imaging unit may be one or more of optical or ultrasonic imaging components.
As a further improvement, the rotating mechanism is a bearing, a rotating joint, a universal joint or a coupling structure.
As a further improvement of the utility model, the rotor includes the joint spare, the stator includes the kayser, the middle part and the kayser swivelling joint of joint spare.
As a further improvement of the utility model, the stator is equipped with the recess, the rotor is equipped with the lug, the lug inlays in the recess, rotates with the recess to be connected.
As a further improvement of the present invention, the stator is an outer ring of the bearing, the rotor is connected to an inner ring of the bearing, and the stator is connected to the rotor through a bearing structure. Namely, the rotor is rotationally connected with the stator through the bearing balls.
Compared with the prior art, the beneficial effects of the utility model are that:
first, adopt the technical scheme of the utility model, optimize through the structure to formation of image kernel or epitheca in the imaging probe, thereby set up rotary mechanism and realize the imaging position change control to the imaging probe, the imaging probe can realize accurate formation of image, solves the influence that the imaging probe's formation of image position changed, makes things convenient for clinician to the inspection of focus for it is more convenient in the inspection process, and the result of inspection is more accurate.
Second, adopt the technical scheme of the utility model, imaging probe sets up rotary mechanism, has reduced the damage probability of supersound microprobe, has guaranteed the repeatedly usable of supersound microprobe, promotes probe life, reduces product cost.
Thirdly, the rotating mechanism of the imaging probe is simple in structure and manufacture, low in price and easy for batch production.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a rotary scanning imaging probe according to the present invention.
Fig. 2 is a schematic sectional structure diagram of embodiment 1 of the present invention.
Fig. 3 is a schematic sectional structure diagram of embodiment 2 of the present invention.
Fig. 4 is a schematic sectional structure diagram according to embodiment 3 of the present invention.
The reference numerals include: the imaging device comprises a signal transmission connecting part, a 2-sheath, a 3-flexible rotating shaft, a 4-imaging unit, a 5-rotor, a 6-stator, a 7-rotating mechanism and an 8-imaging inner core.
Detailed Description
Preferred embodiments of the present invention are described in further detail below.
Example 1
As shown in fig. 1 and fig. 2, a rotary scanning imaging probe comprises a signal transmission connecting part 1, an outer sheath 2, an imaging inner core 8 and a rotating mechanism 7, wherein the imaging inner core 8 is arranged in the outer sheath 2, and the proximal end of the imaging inner core 8 is connected with the distal end of the imaging inner core 8 by a flexible rotating shaft 3; the near end of the outer sheath 2 is connected with the signal transmission connecting part 1, and the near end of the imaging inner core 8 is connected with the signal transmission connecting part 1; the imaging inner core 8 transmits the rotating torque generated by the proximal end of the imaging inner core 8 to the distal end of the imaging inner core 8 through the flexible rotating shaft 3 to drive the imaging inner core 8 to do rotary scanning in the outer sheath 2; the rotating mechanism 7 comprises a stator 6 fixed at the far end of the outer sheath 2 and a rotor 5 fixed at the far end of the imaging inner core 8, and the rotor 5 is rotationally connected with the stator 6; the imaging unit 4 is fixed at the far end of the imaging inner core 8; the distal end of the outer sheath 2 is also provided with an imaging window, and the imaging unit 4 corresponds to the imaging window in position. The flexible rotating shaft 3 and the rotor 5 are connected into a whole through laser welding. The outer wall of one side of the imaging unit 4 is arranged in the rotor 5. The stator 6 and the sheath 2 are molded into a whole through an injection molding process. The outer sheath 2 is a flexible protective sheath, and the tail end of the outer sheath is a sealed opening. Wherein the imaging core 8 rotates within the lumen of the outer sheath 2.
Further, the rotating mechanism 7 is a bearing, a rotating joint, a universal joint or a coupling structure.
In this embodiment, the stator 6 is an outer ring of a bearing, the rotor 5 is connected with an inner ring of the bearing, and the stator 6 is connected with the rotor 5 through a bearing structure.
In this embodiment, the distal end of the outer sheath 2 is provided with the stator 6, and the rotor 5 of the imaging core 8 is assembled and matched to form the rotating mechanism 7, and the rotating mechanism 7 can be a bearing or the like, so that the imaging core 8 cannot deform in the length direction during rotating and scanning in the outer sheath, and the imaging positions are consistent.
Example 2
On the basis of embodiment 1, as shown in fig. 3, the rotor 5 is a clamping member, the stator 6 is a latch, and the middle part of the clamping member is rotatably connected with the latch.
In this embodiment, the distal end of the outer sheath 2 is provided with the stator 6 and the rotor 5 of the imaging core 8 to form a rotating mechanism 7 by providing a locking structure, and the rotating mechanism 7 may be a rotating joint or the like.
Example 3
On the basis of embodiment 1, as shown in fig. 4, the stator 6 is provided with a groove, and the rotor 5 is provided with a bump, and the bump is embedded in the groove and is rotatably connected with the groove.
In this embodiment, the distal end of the outer sheath 2 is provided with the stator 6 and the rotor 5 of the imaging core 8 to form a rotating mechanism 7 through a concave-convex structure, and the rotating mechanism 7 may be a universal joint or the like.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (10)
1. A rotational scanning imaging probe, characterized by: the imaging core is arranged in the sheath, and the near end of the imaging core is connected with the far end of the imaging core by adopting a flexible rotating shaft; the near end of the outer sheath is connected with the signal transmission connecting part, and the near end of the imaging inner core is connected with the signal transmission connecting part; the imaging inner core is transmitted to the distal end of the imaging inner core through the flexible rotating shaft by the rotating torque at the proximal end of the imaging inner core so as to drive the imaging inner core to do rotary scanning in the outer sheath; the rotating mechanism comprises a stator fixed at the far end of the outer sheath and a rotor fixed at the far end of the imaging inner core, and the rotor is rotationally connected with the stator; the imaging unit is fixed at the far end of the imaging inner core; the distal end of the outer sheath is also provided with an imaging window, and the imaging unit corresponds to the imaging window in position.
2. The rotational scanning imaging probe of claim 1, wherein: the outer sheath is a flexible protective sheath.
3. The rotational scanning imaging probe of claim 2, wherein: the tail end of the outer sheath is a sealed opening.
4. The rotational scanning imaging probe of claim 1, wherein: the imaging unit is one or more of optical or ultrasonic imaging components.
5. The rotational scanning imaging probe of claim 1, wherein: the stator and the sheath are integrally formed.
6. The rotational scanning imaging probe of claim 5, wherein: the stator and the sheath are integrated through injection molding.
7. The rotational scanning imaging probe of any one of claims 1 to 6, wherein: the rotating mechanism is in a bearing, rotating joint, universal joint or coupling structure.
8. The rotational scanning imaging probe of claim 7, wherein: the rotor includes joint spare, the stator includes the kayser, the middle part and the kayser swivelling joint of kayser spare.
9. The rotational scanning imaging probe of claim 7, wherein: the stator is provided with a groove, the rotor is provided with a lug, and the lug is embedded in the groove and is rotatably connected with the groove.
10. The rotational scanning imaging probe of claim 7, wherein: the stator is an outer ring of the bearing, the rotor is connected with an inner ring of the bearing, and the stator is connected with the rotor through a bearing structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921352723.2U CN210931361U (en) | 2019-08-20 | 2019-08-20 | Rotary scanning imaging probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921352723.2U CN210931361U (en) | 2019-08-20 | 2019-08-20 | Rotary scanning imaging probe |
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| Publication Number | Publication Date |
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| CN210931361U true CN210931361U (en) | 2020-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921352723.2U Active CN210931361U (en) | 2019-08-20 | 2019-08-20 | Rotary scanning imaging probe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110432871A (en) * | 2019-08-20 | 2019-11-12 | 深圳英美达医疗技术有限公司 | A kind of rotating scan imaging probe |
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2019
- 2019-08-20 CN CN201921352723.2U patent/CN210931361U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110432871A (en) * | 2019-08-20 | 2019-11-12 | 深圳英美达医疗技术有限公司 | A kind of rotating scan imaging probe |
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