CN110432932A - A kind of intravascular ultrasound retracting mechanism - Google Patents
A kind of intravascular ultrasound retracting mechanism Download PDFInfo
- Publication number
- CN110432932A CN110432932A CN201810415319.9A CN201810415319A CN110432932A CN 110432932 A CN110432932 A CN 110432932A CN 201810415319 A CN201810415319 A CN 201810415319A CN 110432932 A CN110432932 A CN 110432932A
- Authority
- CN
- China
- Prior art keywords
- intravascular ultrasound
- bracket
- clutch
- retracting mechanism
- clutch device
- 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
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/08—Detecting organic movements or changes, e.g. tumours, cysts, swellings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/08—Detecting organic movements or changes, e.g. tumours, cysts, swellings
- A61B8/0891—Detecting organic movements or changes, e.g. tumours, cysts, swellings for diagnosis of blood vessels
-
- 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
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/54—Control of the diagnostic device
Abstract
The invention discloses a kind of intravascular ultrasound retracting mechanisms, including withdrawing bracket, with withdraw the clutch shaft and withdraw axis that holder pivots are connected, and one end of clutch shaft is connected with drive system, the other end of clutch shaft is provided with the first half-clutch device, the one end for withdrawing axis is provided with for the second half-clutch device with the first half-clutch device cooperation, and the other end for withdrawing axis is additionally provided with the mobile device that can be moved；Drive system, which is set to, to be withdrawn on bracket.When carrying out intravascular ultrasound catheter automatic returning, first half-clutch device and the second half-clutch device are in bonding state, start drive system, drive system delivers power to clutch shaft, clutch shaft, which delivers power to, withdraws axis, axis rotation is withdrawn, to drive mobile device mobile, and then realizes the automatic returning of intravascular ultrasound catheter.The intravascular ultrasound retracting mechanism uses synchronous belt and carries out power transmission, reduces the fit-up gap between part, is not only simple in structure, and can be realized even running.
Description
Technical field
The present invention relates to medical apparatus and instruments technical field, in particular to a kind of intravascular ultrasound retracting mechanism.
Background technique
Intravascular ultrasound is that non-invasive ultrasonic technique and invasive microcatheter technology combine, a kind of to be connected using end
Be connected to the medical imaging technology that the special conduit of ultrasonic probe carries out, this technology makes ultrasonic technique, such as piezoelectricity conduction or
Ultrasonic sensor is able to the case where for checking blood vessel.
Intravascular ultrasound imaging system mainly by the intravascular ultrasound catheter with ultrasonic sensor, conduit drive system and surpasses
Acoustic imaging host composition, wherein conduit drive system is mainly by conduit rotating mechanism, retracting mechanism, base mechanism and shell group
At currently, the clutch in existing intravascular ultrasound retracting mechanism is mainly to be realized by cam control, but use
The control mode installation of cam is complex, and fit-up gap is larger, runs unstable.
Therefore, how a kind of intravascular ultrasound retracting mechanism is provided, is not only simple in structure, it is easy for installation, and can be real
The technical issues of existing even running is those skilled in the art's urgent need to resolve.
Summary of the invention
In view of this, being not only simple in structure the purpose of the present invention is to provide a kind of intravascular ultrasound retracting mechanism, install
It is convenient, and can be realized even running.
To achieve the above object, the invention provides the following technical scheme:
A kind of intravascular ultrasound retracting mechanism, comprising:
Withdraw bracket；
The clutch shaft and withdraw axis that holder pivots are connected are withdrawn with described, and described clutch shaft one end is connected with driving system
System, the other end of the clutch shaft are provided with the first half-clutch device, and described one end for withdrawing axis is provided with for described first
Second half-clutch device of half-clutch device cooperation, the other end for withdrawing axis, which is additionally provided with, is able to drive that described to withdraw bracket mobile
Mobile device；
The drive system is set to described withdraw on bracket.
Preferably, the drive system includes the first synchronizing wheel, the second synchronizing wheel and driving device, the driving device
It is connected with second synchronizing wheel, and first synchronizing wheel is connected with second synchronizing wheel by synchronous belt.
It preferably, further include being combined and isolated hand for controlling the described first half-clutch device and the second half-clutch device
Autocontrol system.
Preferably, the manual control system includes:
With the link block for withdrawing holder pivots and being connected, and the operating stick being arranged on the link block；
It is connect with the holder pivots that withdraw, and for cooperating with the described first half-clutch device or the second half-clutch device
Shift fork；
Across the link block and described withdraw bracket and steering shaft with shift fork rotation connection, and the link block
It is connect with the steering axes；
It preferably, further include the first spherical caps for being set in the steering shaft and being in contact with the link block, and
The second spherical caps for being set in the steering shaft and being in contact with the shift fork.
It preferably, further include being sheathed in the return spring withdrawn on axis.
It preferably, further include being set to the code-disc withdrawn on axis, and be set to described withdraw on bracket and for adopting
Collect the encoder of the code-disc location information.
Preferably, described withdraw is additionally provided between bracket and second synchronizing wheel for positioning the driving device
Positioning ring.
Preferably, the described first half-clutch device and the second half-clutch device are jaw clutch.
It preferably, further include being used to support the mobile pedestal of the mobile device, and described withdraw bracket for installing
Main support is provided with sliding rail on the pedestal, and the sliding block with sliding rail cooperation is provided on the main support.
As can be seen from the above technical solutions, intravascular ultrasound retracting mechanism disclosed in this invention, including bracket is withdrawn,
With withdraw the clutch shaft and withdraw axis that holder pivots are connected, and one end of clutch shaft is connected with drive system, clutch shaft it is another
End is provided with the first half-clutch device, and the one end for withdrawing axis is provided with for the second half-clutch device with the first half-clutch device cooperation,
The other end for withdrawing axis is additionally provided with the mobile device that can be moved；Drive system, which is set to, to be withdrawn on bracket.When progress blood vessel
When interior ultrasound catheter automatic returning, the first half-clutch device and the second half-clutch device are in bonding state, start drive system, driving
System delivers power to clutch shaft, and clutch shaft, which delivers power to, withdraws axis, axis rotation is withdrawn, so that mobile device be driven to move
It is dynamic, and then realize the automatic returning of intravascular ultrasound catheter.The intravascular ultrasound retracting mechanism uses synchronous belt and carries out power
Transmission, hence it is evident that the fit-up gap between part is reduced, is not only simple in structure, it is easy for installation, and can be realized even running.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below to embodiment or existing
Attached drawing needed in technical description is briefly described, it is clear that, the accompanying drawings in the following description is only this hair
Bright embodiment for those of ordinary skill in the art without creative efforts, can also be according to mentioning
The attached drawing of confession obtains other attached drawings.
Fig. 1 is the shell mechanism schematic diagram of the intravascular ultrasound imaging system disclosed in the embodiment of the present invention；
Fig. 2 is the schematic diagram of internal structure of the intravascular ultrasound imaging system disclosed in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the intravascular ultrasound retracting mechanism disclosed in the embodiment of the present invention；
Fig. 4 is the schematic view of the front view of Fig. 3；
Fig. 5 is the schematic cross-sectional view of Fig. 3；
Fig. 6 is the structural schematic diagram of the intravascular ultrasound retracting mechanism after operating stick pressing.
Wherein, the title of each component is as follows:
1- withdraws bracket, 10- driving device, 11- clutch shaft, and 12- withdraws axis, 121- return spring, and 13- first is synchronous
Wheel, the half-clutch device of 14- first, the half-clutch device of 15- second, 16- gear, the second synchronizing wheel of 17-, 18- synchronous belt, 19- positioning ring,
2- manual control system, 21- link block, 22- operating stick, 23- shift fork, 24- steering shaft, the first spherical caps of 25-, the second ball of 26-
Shape cap, the first rotation axis of 27-, the second rotation axis of 28-, 3- code-disc, 4- encoder, 5- pedestal, 51- sliding block, 6- main support, 7- are sliding
Rail, 8- rack gear.
Specific embodiment
In view of this, core of the invention is to provide a kind of intravascular ultrasound retracting mechanism, it is not only simple in structure, installs
It is convenient, and can be realized even running.
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Intravascular ultrasound retracting mechanism disclosed in the embodiment of the present invention, including bracket 1 is withdrawn, it is rotated with bracket 1 is withdrawn
Connected clutch shaft 11 and axis 12 is withdrawn, and one end of clutch shaft 11 is connected with drive system, the other end setting of clutch shaft 11
There is the first half-clutch device 14, the one end for withdrawing axis 12 is provided with for the second half-clutch device with the first half-clutch cooperation of device 14
15, the other end for withdrawing axis 12 is additionally provided with the mobile device that can be moved；Drive system, which is set to, to be withdrawn on bracket 1.
When carrying out intravascular ultrasound catheter automatic returning, the first half-clutch device 14 and the second half-clutch device 15 are in and combine
State starts drive system, and drive system delivers power to clutch shaft 11, and clutch shaft 11, which delivers power to, withdraws axis 12,
The rotation of axis 12 is withdrawn, to drive mobile device mobile, and then realizes the automatic returning of intravascular ultrasound catheter.This is intravascular super
Sound retracting mechanism uses synchronous belt and carries out power transmission, hence it is evident that and the fit-up gap between part is reduced, is not only simple in structure,
It is easy for installation, and can be realized even running.
It should be noted that drive system includes the first synchronizing wheel 13, the second synchronizing wheel 17 and driving device 10, driving
Device 10 is connected with the second synchronizing wheel 17, and the first synchronizing wheel 13 is connected with the second synchronizing wheel 17 by synchronous belt 18.Driving dress
10 startings are set, the rotation of the second synchronizing wheel 17 is driven, the second synchronizing wheel 17 drives the first synchronizing wheel 13 under the action of synchronous belt 18
Rotation, is transmitted power on clutch shaft 11 by the first synchronizing wheel 13.
It should be further noted that mobile device preferably uses gear 16 and rack gear 8 to be cooperated.
Further, intravascular ultrasound retracting mechanism disclosed in the embodiment of the present invention further includes for controlling the first half
Clutch 14 and the second half-clutch device 15 combine and isolated manual control system 2.
Wherein, manual control system 2 includes: and withdraws the link block 21 that bracket 1 is rotatedly connected, and is arranged in link block 21
On operating stick 22；It is rotatablely connected with bracket 1 is withdrawn, and be used to cooperate with the first half-clutch device 14 and the second half-clutch device 15
Shift fork 23；Across link block 21 and the steering shaft 24 for withdrawing bracket 1 and being rotatablely connected with shift fork 23.
Certainly, in rotation connection mode, spherical caps can be set and realize rotation connection, wirerope realization also can be set and turn
Dynamic connection, preferably realizes rotation connection by the way of spherical caps are arranged in embodiments of the present invention.
Therefore, the manual control system disclosed in the embodiment of the present invention, further include be set in steering shaft 24 and with even
Connect the first spherical caps 25 that block 21 is in contact；The second spherical caps 26 for being set in steering shaft 24 and being in contact with shift fork 23.
It should be noted that link block 21 is rotatablely connected by the first rotation axis 27 with bracket 1 is withdrawn, shift fork 23 is logical
The second rotation axis 28 is crossed to be rotatablely connected with bracket 1 is withdrawn.
When needing to withdraw intravascular ultrasound manually, pressing operation bar 22, operating stick 22 drive link block first
21 rotate around the first rotation axis 27, and link block 21 drives steering shaft 24 mobile by the first spherical caps 25, and then passes through second
Spherical caps 26 drive shift fork 23 to rotate around the second rotation axis 28, so that the first half-clutch device 14 and the second half-clutch device 15 divide
From artificial manually implemented ultrasound catheter is withdrawn.
It should be further noted that intravascular ultrasound retracting mechanism disclosed in the embodiment of the present invention further includes being sheathed on
The return spring 121 on axis 12 is withdrawn, after the completion of being withdrawn manually to ultrasound catheter, operating stick 22 is unclamped, in return bullet
Under the elastic force effect of spring 121, the first half-clutch device 14 and the second half-clutch device 15 are combined, when the automatic returning for carrying out ultrasound catheter
When the transmission of power may be implemented.
Further, intravascular ultrasound retracting mechanism disclosed in the embodiment of the present invention further includes being set to withdraw axis 12
On code-disc 3, and be set to and withdraw on bracket 1 and for acquiring the encoder 4 of 3 location information of code-disc, rotated when withdrawing axis 12
When, drive code-disc 3 to rotate, encoder 4 acquires the location information of code-disc 3, to obtain withdrawing position parameter.
It should be further noted that driving device 10 can be motor, or hydraulic motor, due to motor volume
Small, easy to operate, in embodiments of the present invention, preferably driving device 10 is motor.
In order to carry out effective position to the second synchronizing wheel 17, in the embodiment of the present invention, bracket 1 and the second synchronizing wheel are being withdrawn
It is provided with positioning ring 19 between 17, the effect of effective position can be realized to driving device 17.
Certainly, the first half-clutch device 14 and the second half-clutch device 15 can be slip clutch, can with electromagnetic clutch,
It may be jaw clutch, preferably use jaw clutch in embodiments of the present invention.
It should be noted that intravascular ultrasound retracting mechanism disclosed in the embodiment of the present invention, further includes being used to support shifting
The mobile pedestal 5 of dynamic device, and for installing the main support 6 for withdrawing bracket 1, sliding rail 7 is provided on pedestal 5, is set on main support 1
It is equipped with the sliding block 51 cooperated with sliding rail 7, sliding rail 7 and sliding block 51 cooperate, and drive main support 6 and withdraw bracket 1 and move up in pedestal 5
It is dynamic, and then mobile device is driven to move on pedestal 5.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of intravascular ultrasound retracting mechanism characterized by comprising
Withdraw bracket (1)；
The clutch shaft (11) and withdraw axis (12) that bracket (1) is rotatedly connected, and one end of the clutch shaft (11) are withdrawn with described
It is connected with drive system, the other end of the clutch shaft (11) is provided with the first half-clutch device (14), the axis (12) that withdraws
One end is provided with for the second half-clutch device (15) with the described first half-clutch device (14) cooperation, described to withdraw the another of axis (12)
One end, which is additionally provided with, is able to drive described mobile device for withdrawing bracket (1) movement；
The drive system is set to described withdraw on bracket (1).
2. intravascular ultrasound retracting mechanism according to claim 1, which is characterized in that the drive system includes first same
Step wheel (13), the second synchronizing wheel (17) and driving device (10), the driving device (10) and second synchronizing wheel (17)
It is connected, and first synchronizing wheel (13) is connected with second synchronizing wheel (17) by synchronous belt (18).
3. intravascular ultrasound retracting mechanism according to claim 1, which is characterized in that further include for controlling described first
Half-clutch device (14) and the second half-clutch device (15) combine and isolated manual control system.
4. intravascular ultrasound retracting mechanism according to claim 3, which is characterized in that manual control system (2) packet
It includes:
With the link block (21) for withdrawing bracket (1) and being rotatedly connected, and the operating stick being arranged on the link block (21)
(22)；
Bracket (1) rotation connection is withdrawn with described, and is used for and the described first half-clutch device (14) or the second half-clutch device
(15) shift fork (23) cooperated；
Across the link block (21) and it is described withdraw bracket (1) and with the shift fork (23) rotation connection steering shaft (24),
And the link block (21) and the steering shaft (24) are rotatablely connected.
5. intravascular ultrasound retracting mechanism according to claim 4, which is characterized in that further include being set to the steering shaft
(24) the first spherical caps (25) being in contact on and with the link block (21), and be set on the steering shaft (24) and with
The second spherical caps (26) that the shift fork (23) is in contact.
6. intravascular ultrasound retracting mechanism according to claim 1, which is characterized in that further include being sheathed on to withdraw described
Return spring (121) on axis (12).
7. intravascular ultrasound retracting mechanism according to claim 1, which is characterized in that further include being set to described to withdraw axis
(12) code-disc (3) on, and it is set to the coding withdrawn on bracket (1) and for acquiring the code-disc (3) location information
Device (4).
8. intravascular ultrasound retracting mechanism according to claim 2, which is characterized in that the bracket (1) and described of withdrawing
The positioning ring (19) for positioning the driving device (10) is additionally provided between second synchronizing wheel (17).
9. intravascular ultrasound retracting mechanism according to claim 1, which is characterized in that the first half-clutch device (14) and
The second half-clutch device (15) is jaw clutch.
10. intravascular ultrasound retracting mechanism according to claim 1, which is characterized in that further include being used to support the shifting
The mobile pedestal (5) of dynamic device, and for installing the main support (6) for withdrawing bracket (1), be provided on the pedestal (5)
Sliding rail (7) is provided with the sliding block (51) with the sliding rail (7) cooperation on the main support (6).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810415319.9A CN110432932A (en) | 2018-05-03 | 2018-05-03 | A kind of intravascular ultrasound retracting mechanism |
| PCT/CN2018/113387 WO2019210663A1 (en) | 2018-05-03 | 2018-11-01 | Intravascular ultrasound retracting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810415319.9A CN110432932A (en) | 2018-05-03 | 2018-05-03 | A kind of intravascular ultrasound retracting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110432932A true CN110432932A (en) | 2019-11-12 |
Family
ID=68387026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810415319.9A Pending CN110432932A (en) | 2018-05-03 | 2018-05-03 | A kind of intravascular ultrasound retracting mechanism |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110432932A (en) |
| WO (1) | WO2019210663A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113576535A (en) * | 2021-09-27 | 2021-11-02 | 深圳北芯生命科技股份有限公司 | Intravascular ultrasound retraction device and system |
| CN114176643A (en) * | 2022-02-17 | 2022-03-15 | 天津恒宇医疗科技有限公司 | Intravascular ultrasonic imaging withdrawing device |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2019210663A1 (en) | 2019-11-07 |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191112 |
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| RJ01 | Rejection of invention patent application after publication |