CN107307885A - A kind of ultrasonic endoscopic and its signal transmitting apparatus - Google Patents
A kind of ultrasonic endoscopic and its signal transmitting apparatus Download PDFInfo
- Publication number
- CN107307885A CN107307885A CN201710617579.XA CN201710617579A CN107307885A CN 107307885 A CN107307885 A CN 107307885A CN 201710617579 A CN201710617579 A CN 201710617579A CN 107307885 A CN107307885 A CN 107307885A
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- CN
- China
- Prior art keywords
- ultrasonic
- electric conductor
- signal transmitting
- transmitting apparatus
- rotary shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004020 conductor Substances 0.000 claims abstract description 65
- 239000000523 sample Substances 0.000 claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 239000002245 particle Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 230000008054 signal transmission Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 238000000338 in vitro Methods 0.000 abstract description 2
- 210000000056 organ Anatomy 0.000 description 3
- 238000003745 diagnosis Methods 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001574 biopsy Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000001613 neoplastic effect Effects 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 210000001835 viscera Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/12—Diagnosis using ultrasonic, sonic or infrasonic waves in body cavities or body tracts, e.g. by using catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/56—Details of data transmission or power supply
Abstract
The invention provides a kind of ultrasonic endoscopic and its signal transmitting apparatus, the signal transmitting apparatus includes interior electric conductor, outer electric conductor and the rotary shaft being connected with external drive mechanism, the probe of ultrasonic endoscopic is fixedly connected with rotary shaft, the interior electric conductor is set in the outside of rotary shaft and is connected with rotary shaft, the outer electric conductor is set in interior conduction in vitro, and conducting liquid is filled between the interior electric conductor and outer electric conductor；The interior electric conductor is electrically connected with the probe of ultrasonic endoscopic.Using technical scheme, signal transmission is carried out by conducting liquid between rotation electrode, because electric conductor is to rotate in a liquid, mechanical friction is very small, and the life-span greatly extends, and can meet high rotation speed requirements；And conducting impedance is constant, signal integrity more preferably, reduces interference signal, obtains the image information of more high-quality, be particularly suitable for the transmission of high-frequency signal；Simple in construction, low to processing, reliability is high.
Description
Technical field
The invention belongs to technical field of medical instruments, more particularly to a kind of ultrasonic endoscopic and its signal transmitting apparatus.
Background technology
In modern medicine intervention diagnosis and therapy, ultrasonic endoscopic can utilize the biopsy channel of fujinon electronic video endoscope, by miniature ultrasonic
Scanning head sends into human body, while endoscopic observation intracorporeal organ inner chamber mucosal surface, and ultrasound probe is obtained in human body
The faultage image of dirty organ walls, finds early carcinomatous change therein and minimal neoplastic, is current diagnosis human viscera organ's lesion
Common method.
Probe is needed to do 360 degree of rotations at a high speed during ultrasonic scanning, so as to obtain complete faultage image.And existing product
In, signal is mostly transmitted as transmitting device using electric brush slip ring.But, electric brush slip ring is under long-term high speed rotary state
Serious wear, service life is shorter；Simultaneously as in rotary course, brush impedance is non-constant, is also easy to produce interference signal, makes
Poor quality images.
The content of the invention
For above technical problem, the invention discloses a kind of ultrasonic endoscopic and its signal transmitting apparatus, conduction is utilized
The medium that liquid is transmitted as signal, while extension life of product, reduces interference signal, can obtain the image letter of more high-quality
Breath.
In this regard, the technical solution adopted by the present invention is：
A kind of signal transmitting apparatus of ultrasonic endoscopic, it includes interior electric conductor, outer electric conductor and is connected with external drive mechanism
Rotary shaft, the probe of ultrasonic endoscopic is fixedly connected with rotary shaft, the interior electric conductor be set in the outside of rotary shaft and with
Rotary shaft is connected, and the outer electric conductor is set in interior conduction in vitro, filled with conduction between the interior electric conductor and outer electric conductor
Liquid；The interior electric conductor is electrically connected with the probe of ultrasonic endoscopic.
Using technical scheme, signal transmission is carried out by conducting liquid between rotation electrode, extends the product longevity
While life, interference signal is reduced, the image information of more high-quality can be obtained.
As a further improvement on the present invention, it includes insulating lid, and the insulating lid is located at the end of outer electric conductor, described
Outer electric conductor is fixedly connected with insulating lid.
As a further improvement on the present invention, it includes shielding shell, and the shielding shell parcel is in the outer of outer electric conductor
Portion, the insulating lid is fixedly connected with shielding shell.
As a further improvement on the present invention, the shielding shell is provided with the positioning for fixed signal transmitting device
Post.
As a further improvement on the present invention, bearing is provided with the shielding shell, the bearing is connected with rotary shaft.
As a further improvement on the present invention, the rotary shaft is hollow structure, the probe of the ultrasonic endoscopic through
Rotary shaft is stretched out.
As a further improvement on the present invention, the rotary shaft is provided with fixing hole, and the probe of the ultrasonic endoscopic passes through
Fixture and the fixing hole of rotary shaft are connected.
As a further improvement on the present invention, the probe of the interior electric conductor and ultrasonic endoscopic is connected by inside conductor.
As a further improvement on the present invention, the conducting liquid is the mixture of conductive particle and liquid.
The invention also discloses a kind of ultrasonic endoscopic, it includes ultrasonic main frame, ultrasonic probe, display device and such as taken up an official post
The signal transmitting apparatus of ultrasonic endoscopic described in meaning one, the outer electric conductor is electrically connected with ultrasonic main frame, and the ultrasound is visited
Head is fixedly connected with rotary shaft, and the ultrasonic probe is electrically connected with inner wire, and the ultrasonic main frame sends signal, by described
The signal transmitting apparatus of ultrasonic endoscopic, reaches ultrasonic probe, sends ultrasonic wave, ultrasonic probe receives ultrasonic echo, passes through
Piezo-electric effect, produces electric echo signal, electric echo signal is after ultrasonic host process, on the display apparatus in the form of images
Show.
Compared with prior art, beneficial effects of the present invention are：
First, using technical scheme, signal transmission is carried out by conducting liquid between rotation electrode, because electric conductor
It is to rotate in a liquid, mechanical friction is very small, the life-span greatly extends, high rotation speed requirements can be met；And conducting impedance is permanent
Fixed, signal integrity more preferably, is particularly suitable for the transmission of high-frequency signal.
Second, using technical scheme, conducting liquid is added the liquid of other good fluidities by superfine conductive particle
Body is mixed, and resistivity is low, and mechanical friction is small, is particularly suitable for electric current greatly, the fast occasion of rotary speed.
3rd, simple in construction using technical scheme, low to processing, reliability is high.
Brief description of the drawings
Fig. 1 is a kind of profile of signal transmitting apparatus of the invention.
Fig. 2 is a kind of overall schematic of signal transmitting apparatus of the invention.
Fig. 3 is a kind of sectional view of head one end of signal transmitting apparatus of the invention.
Fig. 4 is a kind of sectional view of the other end of signal transmitting apparatus of the invention.
Fig. 5 is a kind of functional block diagram of ultrasonic endoscopic of the invention.
Reference includes：Electric conductor in 1-, the outer electric conductors of 2-, 3- rotary shafts, 4- shielding shells, 5- conducting liquids, 6-
Insulating lid, 7- locating dowels, 8- bearings, 9- fixing holes, 10- inside conductors, 11- outer conductors.
Embodiment
The preferably embodiment to the present invention is described in further detail below.
Embodiment 1
As shown in Fig. 1 ~ Fig. 4, a kind of signal transmitting apparatus of ultrasonic endoscopic, it include interior electric conductor 1, outer electric conductor 2 and with
External drive mechanism connection rotary shaft 3, the rotary shaft 3 be hollow structure, ultrasonic probe stretched out through rotary shaft 3 and with rotation
Rotating shaft 3 is fixedly connected, and the interior electric conductor 1 is set in the outside of rotary shaft 3 and is connected with rotary shaft 3, outer 2 sets of the electric conductor
It is located at outside interior electric conductor 1, conducting liquid 5 is filled between the interior electric conductor 1 and outer electric conductor 2；The interior electric conductor 1 is with surpassing
Sonic probe is electrically connected.
As shown in Fig. 1 ~ Fig. 4, the signal transmitting apparatus of the ultrasonic endoscopic includes insulating lid 6 and shielding shell 4, described
Insulating lid 6 is located at the end of outer electric conductor 2, and the outer electric conductor 2 is fixedly connected with insulating lid 6；The shielding shell 4 is wrapped in
The outside of outer electric conductor 2, the insulating lid 6 is fixedly connected with shielding shell 4；The shielding shell 4, which is provided with, is used for fixed letter
The locating dowel 7 of number transmitting device；Bearing 8 is provided with the shielding shell 4, the bearing 8 is connected with rotary shaft 3.
As shown in Fig. 1 ~ Fig. 4, the rotary shaft 3 is provided with fixing hole 9, the probe of the ultrasonic endoscopic by fixture with
The fixing hole 9 of rotary shaft 3 is connected.The interior electric conductor 1 is connected with ultrasonic probe by inside conductor 10.The conducting liquid 5 is
The mixture of conductive particle and liquid.The outer electric conductor 2 is connected by outer conductor 11 with ultrasonic main frame.
Specifically used mode is as follows：
Inside conductor 10 is connected on interior electric conductor 1, and interior electric conductor 1 is fixedly mounted in rotary shaft 3.Outer conductor 11 is connected to outer lead
On electric body 3, outer electric conductor 3 is arranged on insulating lid 6, and insulating lid 6 is fixed on shielding shell 4, and shielding shell 4 uses metal material
Material, can provide the effect of electromagnetic shielding, it is ensured that signal is not by external interference.It is conductive between outer electric conductor 3 and interior electric conductor 1
Liquid 5, conducting liquid 5 adds the liquid of other good fluidities to mix by superfine conductive particle, and resistivity is low, mechanical friction
It is small.External motor is connected using rotary shaft 3, during work, is driven by external motor, rotary shaft 3 and inside conductor 10 and interior conduction
Body 1 is rotated together, and signal is transferred on inside conductor 10 from outer conductor 11 by conducting liquid；Wherein rotary shaft 3 is central hollow
Design, ultrasonic probe may pass through rotary shaft 3, and be fixed by fixing hole 9, can be rotated together with rotary shaft 3.Locating dowel 7 with it is outer
Part device（Not shown in figure）Use cooperatively, for positioning and fixing this signal transmitting apparatus.
Embodiment 2
As shown in figure 5, a kind of ultrasonic endoscopic, it includes ultrasonic main frame, ultrasonic probe, exterior display device and the institute of embodiment 1
The signal transmitting apparatus stated, the outer electric conductor is electrically connected with ultrasonic main frame, and the ultrasonic probe is fixedly connected with rotary shaft, institute
State ultrasonic probe to electrically connect with inner wire, the ultrasonic main frame sends signal, transmitted by the signal of described ultrasonic endoscopic
Device, reaches ultrasonic probe, sends ultrasonic wave, ultrasonic probe receives ultrasonic echo, by piezo-electric effect, produces echo telecommunications
Number, electric echo signal is shown in the form of images after ultrasonic host process on exterior display device.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to assert
The specific implementation of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of not departing from present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the present invention's
Protection domain.
Claims (10)
1. a kind of signal transmitting apparatus of ultrasonic endoscopic, it is characterised in that：It include interior electric conductor, outer electric conductor and with outside
The rotary shaft of drive mechanism connection, the probe of ultrasonic endoscopic is fixedly connected with rotary shaft, and the interior electric conductor is set in rotation
The outside of axle is simultaneously connected with rotary shaft, the outer electric conductor be set in it is interior conductive external, the interior electric conductor and outer electric conductor it
Between be filled with conducting liquid；The interior electric conductor is electrically connected with the probe of ultrasonic endoscopic.
2. the signal transmitting apparatus of ultrasonic endoscopic according to claim 1, it is characterised in that：It includes insulating lid, institute
The end that insulating lid is located at outer electric conductor is stated, the outer electric conductor is fixedly connected with insulating lid.
3. the signal transmitting apparatus of ultrasonic endoscopic according to claim 2, it is characterised in that：It includes shielding shell,
The shielding shell parcel is fixedly connected in the outside of outer electric conductor, the insulating lid with shielding shell.
4. the signal transmitting apparatus of ultrasonic endoscopic according to claim 3, it is characterised in that：Set on the shielding shell
There is the locating dowel for fixed signal transmitting device.
5. the signal transmitting apparatus of ultrasonic endoscopic according to claim 3, it is characterised in that：Set in the shielding shell
There is bearing, the bearing is connected with rotary shaft.
6. the signal transmitting apparatus of the ultrasonic endoscopic according to claim 1 ~ 5 any one, it is characterised in that：The rotation
Rotating shaft is hollow structure, and the probe of the ultrasonic endoscopic stretches out through rotary shaft.
7. the signal transmitting apparatus of ultrasonic endoscopic according to claim 6, it is characterised in that：The rotary shaft is provided with solid
Determine hole, the probe of the ultrasonic endoscopic is connected by fixture and the fixing hole of rotary shaft.
8. the signal transmitting apparatus of ultrasonic endoscopic according to claim 6, it is characterised in that：The interior electric conductor is with surpassing
The probe of sound endoscope is connected by inside conductor.
9. the signal transmitting apparatus of ultrasonic endoscopic according to claim 6, it is characterised in that：The conducting liquid is to lead
The mixture of electric particle and liquid.
10. a kind of ultrasonic endoscopic, it is characterised in that：It includes ultrasonic main frame, ultrasonic probe, display device and such as claim
The signal transmitting apparatus of ultrasonic endoscopic described in 1 ~ 9 any one, the outer electric conductor is electrically connected with ultrasonic main frame, described super
Sonic probe is fixedly connected with rotary shaft, and the ultrasonic probe is electrically connected with inner wire, and the ultrasonic main frame sends signal, by institute
The signal transmitting apparatus for the ultrasonic endoscopic stated, reaches ultrasonic probe, sends ultrasonic wave, ultrasonic probe receives ultrasonic echo,
By piezo-electric effect, electric echo signal is produced, electric echo signal is after ultrasonic host process, on the display apparatus with image
Form is shown.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710617579.XA CN107307885A (en) | 2017-07-26 | 2017-07-26 | A kind of ultrasonic endoscopic and its signal transmitting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710617579.XA CN107307885A (en) | 2017-07-26 | 2017-07-26 | A kind of ultrasonic endoscopic and its signal transmitting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107307885A true CN107307885A (en) | 2017-11-03 |
Family
ID=60169905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710617579.XA Pending CN107307885A (en) | 2017-07-26 | 2017-07-26 | A kind of ultrasonic endoscopic and its signal transmitting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107307885A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102499719A (en) * | 2011-09-30 | 2012-06-20 | 汕头市超声仪器研究所有限公司 | Ultrasonic probe for endoscope |
| CN103462644A (en) * | 2012-06-07 | 2013-12-25 | 中国科学院深圳先进技术研究院 | Photoacoustic endoscope |
| CN204516906U (en) * | 2015-04-16 | 2015-07-29 | 河北泰尔电子科技有限公司 | Liquid conduction slip ring |
| CN105380586A (en) * | 2015-12-29 | 2016-03-09 | 华南师范大学 | Combined type solid angle scanning photo/acoustic endoscopic imaging device and method thereof |
| CN208388640U (en) * | 2017-07-26 | 2019-01-18 | 深圳英美达医疗技术有限公司 | A kind of ultrasonic endoscopic and its signal transmitting apparatus |
-
2017
- 2017-07-26 CN CN201710617579.XA patent/CN107307885A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102499719A (en) * | 2011-09-30 | 2012-06-20 | 汕头市超声仪器研究所有限公司 | Ultrasonic probe for endoscope |
| CN103462644A (en) * | 2012-06-07 | 2013-12-25 | 中国科学院深圳先进技术研究院 | Photoacoustic endoscope |
| CN204516906U (en) * | 2015-04-16 | 2015-07-29 | 河北泰尔电子科技有限公司 | Liquid conduction slip ring |
| CN105380586A (en) * | 2015-12-29 | 2016-03-09 | 华南师范大学 | Combined type solid angle scanning photo/acoustic endoscopic imaging device and method thereof |
| CN208388640U (en) * | 2017-07-26 | 2019-01-18 | 深圳英美达医疗技术有限公司 | A kind of ultrasonic endoscopic and its signal transmitting apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171103 |
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| RJ01 | Rejection of invention patent application after publication |