CN208447539U - A kind of OCT catheter interior pumpback device - Google Patents
A kind of OCT catheter interior pumpback device Download PDFInfo
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- CN208447539U CN208447539U CN201721075625.XU CN201721075625U CN208447539U CN 208447539 U CN208447539 U CN 208447539U CN 201721075625 U CN201721075625 U CN 201721075625U CN 208447539 U CN208447539 U CN 208447539U
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- China
- Prior art keywords
- pumpback
- optical fiber
- catheter interior
- fibre
- oct catheter
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- 239000013307 optical fiber Substances 0.000 claims abstract description 40
- 238000007789 sealing Methods 0.000 claims description 27
- 239000012530 fluid Substances 0.000 claims description 8
- 210000004400 mucous membrane Anatomy 0.000 abstract description 4
- 238000003745 diagnosis Methods 0.000 abstract description 3
- 238000012014 optical coherence tomography Methods 0.000 description 25
- 238000005516 engineering process Methods 0.000 description 7
- 210000001519 tissue Anatomy 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 239000010721 machine oil Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 2
- 238000003325 tomography Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002526 effect on cardiovascular system Effects 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model discloses a kind of OCT catheter interior pumpback devices, including optical fiber, sebific duct and fibre-optical splice, cavity is provided in the sebific duct, one end that one end of the optical fiber passes through sebific duct enters in the cavity in sebific duct, the other end of the optical fiber is provided with fibre-optical splice, and the fibre-optical splice with a rotating electric machine for connecting.The OCT catheter interior pumpback device of the utility model can effectively solve the problem that the frictionally damage of patient's body lumen road mucous membrane caused by conduit pumpback, improve the comfort of patient's diagnosis.
Description
Technical field
The utility model relates to a kind of the field of medical instrument technology more particularly to a kind of OCT catheter interior pumpback devices.
Background technique
Optical interference tomography technology (Optical Coherence Tomography, OCT) is a kind of based on weak phase
Dry interference of light principle obtains biological tissue by back-reflection or scattered signal of the detection different tissues to incident weak coherent light
Two dimension or three-dimensional structure optical image technology.It was mentioned by the research group of Massachusetts Institute Technology in 1991 for the first time
Out, it because it has many advantages, such as that fast, high resolution, non-intrusion type is imaged, is applied widely in medical domain.
Currently, both at home and abroad about the research of optical interference tomography technology focus primarily upon ophthalmology, human skin section with
And the OCT technology and equipment of cardiovascular field, there is no accordingly develop the OCT medical treatment being actually available in human body open pipes cavity
Equipment.General OCT equipment is only applicable to the imaging in the tissue of single position, but the information that is showed of single section often compared with
It is limited, it has not been convenient to also be unfavorable for type and size that healthcare givers precisely determines lesion, it is therefore necessary to which addition can drive scanning
The module that conduit in axial direction moves is scanned into realize and carry out certain axial distance to human body open pipes cavity organization
Picture.The position of the form of institutional framework, diseased region can be more clearly from judged by the pumpback imaging of one section of axial distance
And the key messages such as size are being carried out axially due to the radial depth information of the available detection tissue of OCT scan technology
The three-dimensional structure of the detection tissue can be obtained while pumpback scanning imagery.
Existing OCT axial direction pumpback scan module is all moved using OCT conduit is whole along axial pumpback in scanning
Solution, it is insufficient that the program has following several points: the first, the whole pumpback movement of OCT conduit be easy to cause patient's body pipe
The frictionally damage of cavity mucous membrane；The second, the whole pumpback movement of OCT conduit is easy to appear jitter phenomenon, so as to cause reconstruct image
As occurring distorting or deform；It is easily caused when the whole pumpback movement of third, OCT conduit is with the road mantle friction of patient's body lumen
The secondary discomfort of patient, and then patient is caused to treat fitness decline and the thus corresponding problem of bring.Therefore, there is an urgent need to
It is a kind of it is completely new, be able to solve above-mentioned insufficient OCT conduit pumpback device.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of OCT catheter interior pumpback dresses
It sets, can solve OCT conduit entirety pumpback mobile the technical issues of shaking.
The purpose of this utility model adopts the following technical scheme that realization:
A kind of OCT catheter interior pumpback device, including optical fiber, sebific duct and fibre-optical splice are provided with cavity in the sebific duct,
One end that one end of the optical fiber passes through sebific duct enters in the cavity in sebific duct, and the other end of the optical fiber is provided with optical fiber and connects
Head, the fibre-optical splice with a rotating electric machine for connecting.
Further, further include fixed device, be provided with first passage on the fixed device, the optical fiber pass through this
One channel, the fixed device are set between fibre-optical splice and sebific duct.
It further, further include optical fiber fixing pipe, the optical fiber fixing pipe is set in first passage, and the optical fiber is fixed
Pipe is fixed with optical fiber.
Further, it is provided with second channel on the fixed device, the second channel is connected to first passage, and institute
It states and is provided with pressure equilibrium module in second channel, the pressure equilibrium module is for maintaining in first passage and second channel
Pressure is constant.
Further, the pressure equilibrium module is atmospheric pressure compensating block or pressure equilibrium air bag.
Further, index-matching fluid is provided in the first passage and second channel.
It further, further include the first sealing ring and the second sealing ring, first sealing ring is set to pressure equilibrium mould
At block, first sealing ring is for preventing index-matching fluid from overflowing, and second sealing ring is set at first passage, institute
The second sealing ring is stated for preventing index-matching fluid from overflowing.
Further, first sealing ring is O-ring or square ring or built-up coil, second sealing ring are
O-ring or square ring or built-up coil.
It further, further include connector fixing pipe, the connector fixing pipe is set to outside fibre-optical splice end, the connector
Fixing pipe is used to the fibre-optical splice being fixed on a machine.
Further, the connector fixing pipe is provided with buckle, and the connector fixing pipe is connect by being connected in optical fiber
Head, it is described be buckled in rotate by a certain angle after be detached from connector Fixed latches.
Compared with prior art, the utility model has the beneficial effects that:
The OCT catheter interior pumpback device of the utility model can effectively solve the problem that patient's body lumen caused by conduit pumpback
The frictionally damage of road mucous membrane improves the comfort of patient's diagnosis.
Detailed description of the invention
Fig. 1 is the structure chart of the OCT catheter interior pumpback device of embodiment one；
Fig. 2 is the structure chart of the OCT catheter interior pumpback device of embodiment two.
Appended drawing reference: 1, fibre-optical splice；2, optical fiber fixing pipe；3, fixed device；4, the second sealing ring；5, the first sealing
Circle；6, second channel；7, sebific duct；8, cavity；9, optical fiber；10, pressure equilibrium air bag；11, atmospheric pressure compensating block；12, first passage.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the utility model, it should be noted that
Under the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
Embodiment one:
As shown in Figure 1, present embodiments providing a kind of OCT catheter interior pumpback device, including optical fiber 9, sebific duct 7, optical fiber
Connector 1, fixed device 3, pressure equilibrium module, the first sealing ring 5, the second sealing ring 4 and connector fixing pipe, in the sebific duct 7
Be provided with cavity 8, one end that one end of the optical fiber 9 passes through sebific duct 7 enters in the cavity 8 in sebific duct 7, the optical fiber 9 it is another
One end is provided with fibre-optical splice 1, and the fibre-optical splice 1 with a rotating electric machine for connecting；The connector fixing pipe is set to light
Outside at fine connector 1, the connector fixing pipe is used to the fibre-optical splice 1 being fixed on a machine, and the fibre-optical splice 1 is
SC-APC fibre-optical splice；In the prior art, sebific duct 7 and optical fiber 9 are fixed together, and are carrying out the pumpback of OCT conduit
When be that optical fiber 9 is connected to sebific duct 7 and moves together so that friction is had between sebific duct 7 and body lumen road, to be easy
Cause the frictionally damage of patient's body lumen road mucous membrane；And the utility model by the way that optical fiber 9 is separated with sebific duct 7 the case where, make
It obtains during 9 pumpback of optical fiber, there is no the frictions between body lumen road, so that during diagnosis more
What is added is comfortable；
First passage 12 is provided on the fixed device 3, the optical fiber 9 passes through the first passage 12, the fixed dress
3 are set to be set between fibre-optical splice 1 and sebific duct 7；The optical fiber fixing pipe 2 is set in first passage 12, and the optical fiber is fixed
Pipe 2 and optical fiber 9 are fixed；Second channel 6 is additionally provided on the fixed device 3, the second channel 6 is connected with first passage 12
Logical, and pressure equilibrium module is provided in the second channel 6, the pressure equilibrium module is for maintaining first passage 12 and the
Pressure in two channels 6 is constant；The pressure equilibrium module is atmospheric pressure compensating block 11, the first passage 12 and second channel 6
It is inside provided with index-matching fluid, first sealing ring 5 is set at pressure equilibrium module, and first sealing ring 5 is used for
It prevents from index-matching fluid from passing through pressure equilibrium module to spill out that first passage 12 is caused to let out with the pressure in second channel 6
Leakage, second sealing ring 4 are set at first passage 12, and second sealing ring 4 is for preventing index matching hydrorrhea
Out；First sealing ring 5 is that perhaps built-up coil second sealing ring 4 is O-ring or side for O-ring or square ring
Shape circle or built-up coil.
Medical catheter (that is to say optical fiber 9) is pierced by from OCT catheter interior pumpback device central axes, and medical catheter is led in OCT
Part inside pipe in pumpback device, is wrapped up by optical fiber fixing pipe 2, is able to achieve entirety and is rotated coaxially and translate back and forth, optical fiber
Fixing pipe 2 is fixed on SC-APC connector.SC-APC connector is connect with the outer fixing pipe of connector by Fixed latches in two pin connectors
Group is integral, and the SC-APC connector end of feed screw nut and pumpback component group on screw rod stepper motor are sequentially connected.
When OCT catheter interior pumpback device is in original state, the buckle on the outer fixing pipe top of connector is stuck in pin and connects
On the outer Fixed latches of head, the twitch back and forth of pumpback component group can not achieve；When in running order, medical worker starts screw rod step
Into motor and pumpback component group is driven to rotate coaxially, after fixing pipe is compared with original state rotated ninety degrees angle outside connector, buckle is de-
From Fixed latches outside pin connector, medical worker can manipulate the movement of screw rod step motor control pumpback component group, realize certain vertical
The OCT image of deep range.
Machine oil (that is to say index-matching fluid) is marked with inside pressure equilibrium device, wherein the first sealing ring 5 and second is close
Seal 4 plays the role of that machine oil is stopped to enter pumpback component group.In running order, screw rod stepper motor drives pumpback component
When group pumpback, the atmospheric pressure compensating block 11 inside pressure equilibrium device translates outward, after pushing machine oil to fill up the translation of pumpback component group
Pressure inside and outside bring vacuum gap balancing device, when screw rod stepper motor drives the push of pumpback component group, pressure equilibrium device
Inwardly translation, this pressure equilibrium structure guarantee that optical fiber fixing pipe 2 and optical fiber 9 can be translated smoothly, are mended by setting air pressure
Block 11 is repaid so that reaching pressure equilibrium inside it, so that very big resistance can't be generated during optical fiber pumpback.
Embodiment two:
For pressure equilibrium module using atmospheric pressure compensating block 11, the pressure used in the present embodiment is flat in example 1
Weigh air bag 10；Its act on purpose be it is the same, be provided to balance the pressure in the device, but one is pass through atmospheric pressure compensating
The mobile mode of block 11 can be according to specific practical situation one is the problem of reducing is expanded by pressure equilibrium air bag 10
To analyze it the pressure equilibrium mode to determine that situation using which kind of.
Above embodiment is only preferred embodiments of the present invention, cannot be protected with this to limit the utility model
Range, the variation of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacement belong to
In the utility model range claimed.
Claims (10)
1. a kind of OCT catheter interior pumpback device, which is characterized in that including optical fiber, sebific duct and fibre-optical splice, set in the sebific duct
It is equipped with cavity, one end that one end of the optical fiber passes through sebific duct enters in the cavity in sebific duct, the other end setting of the optical fiber
There is fibre-optical splice, the fibre-optical splice with a rotating electric machine for connecting.
2. OCT catheter interior pumpback device as described in claim 1, which is characterized in that further include fixed device, the fixation
First passage is provided on device, the optical fiber passes through the first passage, and the fixed device is set to fibre-optical splice and sebific duct
Between.
3. OCT catheter interior pumpback device as claimed in claim 2, which is characterized in that further include optical fiber fixing pipe, the light
Fine fixing pipe is set in first passage, and the optical fiber fixing pipe is fixed with optical fiber.
4. OCT catheter interior pumpback device as claimed in claim 3, which is characterized in that be additionally provided on the fixed device
Second channel, the second channel are connected to first passage, and pressure equilibrium module is provided in the second channel, the pressure
Strong balance module is for maintaining first passage and the pressure in second channel constant.
5. OCT catheter interior pumpback device as claimed in claim 4, which is characterized in that the pressure equilibrium module is air pressure
Compensation block or pressure equilibrium air bag.
6. OCT catheter interior pumpback device as described in claim 4 or 5, which is characterized in that the first passage and second leads to
Index-matching fluid is provided in road.
7. OCT catheter interior pumpback device as described in claim 4 or 5, which is characterized in that further include the first sealing ring and
Two sealing rings, first sealing ring are set at pressure equilibrium module, and first sealing ring is for preventing index matching
Hydrorrhea goes out, and second sealing ring is set at first passage, and second sealing ring is for preventing index-matching fluid from overflowing.
8. OCT catheter interior pumpback device as claimed in claim 7, which is characterized in that first sealing ring be O-ring or
Perhaps built-up coil second sealing ring is O-ring or square ring or built-up coil to person's square ring.
9. the OCT catheter interior pumpback device as described in claims 1 or 2 or 3 or 4 or 5, which is characterized in that further include connector
Fixing pipe, the connector fixing pipe are set at fibre-optical splice, and the connector fixing pipe is used to the fibre-optical splice being fixed on one
On machine.
10. OCT catheter interior pumpback device as claimed in claim 9, which is characterized in that the connector fixing pipe is provided with card
Button, the connector fixing pipe by being connected in fibre-optical splice, it is described be buckled in rotate by a certain angle after disengaging connector fix
Bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721075625.XU CN208447539U (en) | 2017-08-25 | 2017-08-25 | A kind of OCT catheter interior pumpback device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721075625.XU CN208447539U (en) | 2017-08-25 | 2017-08-25 | A kind of OCT catheter interior pumpback device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208447539U true CN208447539U (en) | 2019-02-01 |
Family
ID=65139493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721075625.XU Active CN208447539U (en) | 2017-08-25 | 2017-08-25 | A kind of OCT catheter interior pumpback device |
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| Country | Link |
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| CN (1) | CN208447539U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107550443A (en) * | 2017-08-25 | 2018-01-09 | 广州永士达医疗科技有限责任公司 | A kind of OCT catheter interiors pumpback device |
-
2017
- 2017-08-25 CN CN201721075625.XU patent/CN208447539U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107550443A (en) * | 2017-08-25 | 2018-01-09 | 广州永士达医疗科技有限责任公司 | A kind of OCT catheter interiors pumpback device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240428 Address after: 518000, No. 33, Guimiao New Village, Yuegui Community, Yuehai Street, Nanshan District, Shenzhen, Guangdong Province 104 Patentee after: Shenzhen Aositian Medical Technology Co.,Ltd. Country or region after: China Address before: 510663 Guangzhou High-tech Industrial Development Zone, Guangzhou, Guangdong Province, No. 3 Shenquan Road, Science City, B205, Guangzhou International Business Incubator Area B Patentee before: GUANGZHOU WINSTAR MEDICAL TECHNOLOGY Co.,Ltd. Country or region before: China |