CN109303576A - A kind of Endovascular biopsy extraction element - Google Patents
A kind of Endovascular biopsy extraction element Download PDFInfo
- Publication number
- CN109303576A CN109303576A CN201811236440.1A CN201811236440A CN109303576A CN 109303576 A CN109303576 A CN 109303576A CN 201811236440 A CN201811236440 A CN 201811236440A CN 109303576 A CN109303576 A CN 109303576A
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- biopsy
- chamber
- endovascular
- extraction element
- conduit
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- 238000001574 biopsy Methods 0.000 title claims abstract description 134
- 238000000605 extraction Methods 0.000 title claims abstract description 60
- 239000000284 extract Substances 0.000 claims abstract description 17
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 5
- 239000010931 gold Substances 0.000 claims description 5
- 229910052737 gold Inorganic materials 0.000 claims description 5
- 239000002775 capsule Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 15
- 230000002792 vascular Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 210000004204 blood vessel Anatomy 0.000 description 5
- 230000000740 bleeding effect Effects 0.000 description 4
- 239000008280 blood Substances 0.000 description 4
- 210000004369 blood Anatomy 0.000 description 4
- 238000007373 indentation Methods 0.000 description 4
- 206010014513 Embolism arterial Diseases 0.000 description 2
- 230000017531 blood circulation Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 206010061218 Inflammation Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 230000007170 pathology Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000001356 surgical 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
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
Abstract
The present invention provides a kind of Endovascular biopsy extraction elements, are related to the field of medical instrument technology.The Endovascular biopsy extraction element includes conduit and cutter；The conduit is divided by demarcation plate extracts chamber and inflatable chamber；Biopsy, which is provided with, in the cavity wall for extracting chamber accommodates notch；The conduit, which corresponds to the biopsy and accommodates, is provided with sacculus on the outer wall of notch；The inflatable chamber is connected to the sacculus；The cutter is for protruding into the extraction chamber with Biopsy.The present invention solves the low efficiency of biopsy extraction, the big technical problem of risk.
Description
Technical field
The present invention relates to the field of medical instrument technology, more particularly, to a kind of Endovascular biopsy extraction element.
Background technique
The method for clinically often needing to use tissue biopsy and pathology detection carrys out clear medical diagnosis on disease.At present clinically
The biopsy method of use mainly includes direct cutting tissue, needle point method and clamp method.Direct cutting tissue is usually cut off in operation
It is carried out while treatment, needle point method is often used for parenchymal viscera (such as liver, kidney), and clamp method is dirty commonly used in cavity
Device (such as alimentary canal, respiratory tract).For the lesion (such as vascular wall tumour, inflammation) of vascular wall itself, using above-mentioned biopsy
Method often acquires a certain degree of difficulty and limitation, if needle point method needs precise positioning and puncture to enter vascular wall, as careless manipulation holds
Continuous vessel bleeding is easily caused, and the efficiency that biopsy is extracted is lower, risk is larger.Endovascular clamp method lacks accuracy, and
Equally there is the risk for causing angiorrhoxis bleeding during clamp.
Therefore, it clinically there is no the device for being suitable for Endovascular biopsy at present.Based on this, the present invention provides a kind of blood
Biopsy extraction element is to solve the above technical problems in lumen.
Summary of the invention
The purpose of the present invention is to provide a kind of Endovascular biopsy extraction elements, to solve work existing in the prior art
Examine the low efficiency extracted, the big technical problem of risk.
Based on above-mentioned purpose, the present invention provides a kind of Endovascular biopsy extraction elements, including conduit and cutter；
The conduit is divided by demarcation plate extracts chamber and inflatable chamber；Biopsy receiving is provided in the cavity wall for extracting chamber to lack
Mouthful；The conduit, which corresponds to the biopsy and accommodates, is provided with sacculus on the outer wall of notch；The inflatable chamber is connected to the sacculus；
The cutter is for protruding into the extraction chamber with Biopsy.
Optionally, above-mentioned Endovascular biopsy extraction element, the biopsy accommodate that be provided on the edge of notch can be in X
The gold markers point to develop under ray.
Biopsy receiving notch is surrounded by the gold markers point that can develop under X-ray, is conducive to conduit and is entering blood
Choice direction after in lumen, it is ensured that biopsy accommodates the quasi- vascular wall tissue extracted of notch alignment, avoids blindly cutting.
Optionally, above-mentioned Endovascular biopsy extraction element, the cutter include knife handle, and the front end of the knife handle is provided with
Blade.
Specifically, knife handle is in a strip shape, the front end of knife handle is extend into conduit by one end of conduit, and front end first connects with biopsy
Biopsy is responsible in touching.Therefore, the front end of knife handle is arranged in blade by the present invention.Knife handle can be integrally formed with blade, can also be with
It is arranged to dismountable structure.When knife handle and blade be it is detachable, the profile of blade cutting part can be according to the shape of biopsy
It is configured, for example, the shape of biopsy is whole about in spherical, then the profile of blade cutting part is correspondingly arranged into the arc of indent
Shape structure.
Optionally, above-mentioned Endovascular biopsy extraction element, the cross section of the knife handle alongst are arc-shaped.
Knife handle enters energy cut and extract biopsy to greatest extent along the cavity wall for extracting chamber, is to guarantee knife handle along extraction chamber
Cavity wall protrude into, the cross section of knife handle alongst is set arc by the present invention, the arc core of the arc and the circle of conduit
The heart is overlapped.
Optionally, above-mentioned Endovascular biopsy extraction element, it is described extract chamber cavity wall on close to the biopsy accommodate lack
The position of mouth is provided with guide groove；The guide groove is arranged along the length direction of the conduit；
The guide groove is used to provide guiding for the entrance of the cutter.
Moving along conduit circumferential direction occurs for the process that knife handle is entered by tube at one end in order to prevent, and the present invention is close to biopsy
Guide groove is arranged in the position for accommodating notch, and guide groove is arranged along catheter length direction, is used for when use and cutter a side edge
Moving along conduit circumferential direction occurs for cooperation, the process for preventing cutter from protruding into.Guide groove can be arranged one, also can be set two
It is a.It is respectively provided with guide groove in the two sides that biopsy accommodates notch, two guide grooves, along cooperation, are limited respectively at the two sides of knife handle
Knife handle after knife handle protrudes into, can accelerate the speed protruded into, can occur without having to worry about knife handle towards two sides towards the axial movement of two sides
Movement, improve the efficiency of biopsy extraction, and avoid the mobile bring risk of knife handle, surgical procedure is safer.
Optionally, above-mentioned Endovascular biopsy extraction element, the cross section of the demarcation plate along its length are arc-shaped.
Optionally, above-mentioned Endovascular biopsy extraction element, the cross-sectional profiles of the knife handle along its length with it is described
The cross-sectional profiles of chamber along its length are extracted to coincide.
The inner space of conduit is divided by demarcation plate extracts chamber and inflatable chamber, extracts the cross of chamber and inflatable chamber along its length
Section is not circle, and knife handle is designed as cross-sectional profiles along its length and extraction chamber along its length transversal at this time
The open column shape body that facial contour matches, knife handle will not rotate during protruding into and extracting chamber, and knife handle can be quick
It reaches biopsy position and biopsy is extracted by blade, improve the efficiency of biopsy extraction.
Optionally, above-mentioned Endovascular biopsy extraction element, it is described to extract the intracavitary storage chamber for being provided with one-way cock.
The storage chamber of the intracavitary setting one-way cock of the extraction of conduit, cutting undertissue enter in storage chamber immediately, effectively keep away
Exempt from tissue and other internal position arterial embolisms are lost and caused with blood flow.
Optionally, above-mentioned Endovascular biopsy extraction element, the sacculus are compliant balloon.
Sacculus uses compliant balloon, can change balloon diameter according to the blowing pressure, conveniently adapt to various external calibers.
Optionally, above-mentioned Endovascular biopsy extraction element, the cavity wall for extracting chamber are engraved structure.
The effect for extracting chamber is cooperation cutter Biopsy, and the present invention sets engraved structure for the cavity wall for extracting chamber, subtracts
The light weight of conduit, has saved material, while being also conducive to the circulation between the liquid inside and outside conduit, so as to avoid blood is increased
The pressure of pipe is born.
The Endovascular biopsy extraction element provided by the invention, including conduit and cutter；The conduit is by demarcation plate
It is divided into and extracts chamber and inflatable chamber；Biopsy, which is provided with, in the cavity wall for extracting chamber accommodates notch；The conduit corresponds to the biopsy
It accommodates and is provided with sacculus on the outer wall of notch；The inflatable chamber is connected to the sacculus；The cutter is for protruding into the extraction
Chamber is with Biopsy.Endovascular biopsy extraction element provided by the invention, in use, first conduit is extend into blood vessel, directly
The position where the biopsy of notch face is accommodated to biopsy, is then inflated by inflatable chamber, is held since sacculus is located at biopsy
It receives the respective side of notch, vascular wall is abutted against after inflation, while pushing conduit to biopsy, biopsy accommodates notch by biopsy and enters
In conduit, finally it is extend into and is extracted in chamber using cutter, to cut lower biopsy.Entire biopsy extraction process, cutter is along conduit
Inner wall enters and is limited in the biopsy in biopsy receiving notch in the cutting of biopsy position, has biopsy bright
True purpose and accurate polarization, another aspect cutter are not easy scuffing vascular wall and cause angiorrhoxis bleeding.
Based on this, for Endovascular biopsy, other relatively current Biopsies of the present invention have biopsy cut and extract safety
With high-efficient advantage.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the first state of Endovascular biopsy extraction element provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of second of state of Endovascular biopsy extraction element provided in an embodiment of the present invention；
Fig. 3 is the first knot that biopsy accommodates indentation, there in Endovascular biopsy extraction element provided in an embodiment of the present invention
Structure schematic diagram；
Fig. 4 is second of knot that biopsy accommodates indentation, there in Endovascular biopsy extraction element provided in an embodiment of the present invention
Structure schematic diagram.
Icon: 100- conduit；101- demarcation plate；102- extracts chamber；103- inflatable chamber；104- biopsy accommodates notch；105-
Sacculus；200- cutter；201- knife handle；202- blade；203- guide groove.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Embodiment one
Fig. 1 is the structural schematic diagram of the first state of Endovascular biopsy extraction element provided in an embodiment of the present invention；Fig. 2
For the structural schematic diagram of second of state of Endovascular biopsy extraction element provided in an embodiment of the present invention；Fig. 3 is that the present invention is real
Apply the first structural schematic diagram that biopsy in the Endovascular biopsy extraction element of example offer accommodates indentation, there；Fig. 4 is the present invention
Biopsy accommodates second of structural schematic diagram of indentation, there in the Endovascular biopsy extraction element that embodiment provides.
As shown in Figure 1 to Figure 3, a kind of Endovascular biopsy extraction element, the lumen of vessels are provided in the present embodiment
Interior biopsy extraction element includes conduit 100 and cutter 200；
The conduit 100 is divided to extract chamber 102 and inflatable chamber 103 by demarcation plate 101；In the cavity wall for extracting chamber 102
It is provided with biopsy and accommodates notch 104；Sacculus is provided on the outer wall of the corresponding biopsy receiving notch 104 of the conduit 100
105；The inflatable chamber 103 is connected to the sacculus 105；
The cutter 200 is for protruding into the extraction chamber 102 with Biopsy.
Endovascular biopsy extraction element provided by the invention, in use, first conduit 100 is extend into blood vessel, until
Biopsy accommodates the position where 104 face biopsy of notch, is then the inflation of sacculus 105 by inflatable chamber 103, due to sacculus 105
The respective side that notch 104 is accommodated positioned at biopsy, abuts against vascular wall, while pushing conduit 100 to biopsy, biopsy passes through work after inflation
Inspection accommodates notch 104 and enters in conduit 100, is finally extend into and is extracted in chamber 102 using cutter 200, to cut lower biopsy.It is whole
A biopsy extraction process, cutter 200, which enters along the inner wall of conduit 100 and is limited in biopsy in the cutting of biopsy position, to be accommodated
On the one hand biopsy in notch 104 makes biopsy have specific purpose and accurate polarization, another aspect cutter 200
It is not easy scuffing vascular wall and causes angiorrhoxis bleeding.
Based on this, the present invention has the advantages that biopsy cut and extract is safe and high-efficient compared with original technology.
In the optinal plan of the present embodiment, it is provided with and can be shown under X-ray on the edge of the biopsy receiving notch 104
The gold markers point of shadow.
Biopsy receiving notch 104 is surrounded by the gold markers point that can develop under X-ray, is conducive to conduit 100 and exists
Choice direction after into Endovascular, it is ensured that biopsy accommodates the quasi- vascular wall tissue extracted of the alignment of notch 104, avoids blindly cutting
It cuts.
As shown in Fig. 2, in the optinal plan of the present embodiment, the cutter 200 includes knife handle 201, before the knife handle 201
End is provided with blade 202.
Specifically, knife handle 201 is in a strip shape, the front end of knife handle 201 is extend into conduit 100 by one end of conduit 100, front end
It is first contacted with biopsy, is responsible for Biopsy.Therefore, the front end of knife handle 201 is arranged in blade 202 by the present embodiment.Knife handle 201 with
Blade 202 can be integrally formed, and dismountable structure also can be set into.When knife handle 201 and blade 202 are detachable, blade
The profile of 202 cutting parts can be configured according to the shape of biopsy, for example, the shape of biopsy is whole about in spherical, then knife
The profile of 202 cutting part of sword is correspondingly arranged into the arcuate structure of indent.
In the above-mentioned technical solutions, further, the cross section of the knife handle 201 alongst is arc-shaped.
Knife handle 201 enters energy cut and extract biopsy to greatest extent along the cavity wall for extracting chamber 102, to guarantee knife handle 201
It is protruded into along the cavity wall for extracting chamber 102, the cross section of knife handle 201 alongst is set arc by the present embodiment, the arc
The arc core of shape is overlapped with the center of circle of conduit 100, specific as shown in Figure 3.
In the optinal plan of the present embodiment, the position of notch 104 is accommodated in the cavity wall for extracting chamber 102 close to the biopsy
It installs and is equipped with guide groove 203；The guide groove 203 is arranged along the length direction of the conduit 100；
The guide groove 203 is used to provide guiding for the entrance of the cutter 200.
Moving along 100 circumferential direction of conduit, this implementation occur for the process that knife handle 201 is entered by 100 one end of conduit in order to prevent
Guide groove 203 is arranged in the position for accommodating notch 104 close to biopsy in example, and guide groove 203 is arranged along 100 length direction of conduit,
For, along cooperating, moving along 100 circumferential direction of conduit to occur for the process for preventing cutter 200 from protruding into 200 a side of cutter when use.
In the above-mentioned technical solutions, further, the quantity of the guide groove 203 is two；Two guide grooves 203
It is separately positioned on the two sides that the biopsy accommodates notch 104；
Two guide grooves 203 are respectively used to the two sides of the knife handle 201 along cooperation.
Specifically as shown in figure 4,201 direction of knife handle can be limited in the side setting guide groove 203 that biopsy accommodates notch 104
Circumferential movement occurs for the guide groove 203, during knife handle 201 protrudes into, in order to guarantee that knife handle 201 does not occur towards the other side
Movement, during protruding into it should be noted that by a side of knife handle 201 along and 203 closing of guide groove.The present embodiment holds in biopsy
Receiving the two sides of notch 104 is respectively provided with guide groove 203, and two guide grooves 203 are respectively at the two sides of knife handle 201 along cooperation, limitation
Axial movement of the knife handle 201 towards two sides, after knife handle 201 protrudes into, can accelerate the speed protruded into, without having to worry about 201 meeting of knife handle
The movement towards two sides occurs, improves the efficiency of biopsy extraction, and avoids the mobile bring risk of knife handle 201, operation
It operates safer.
In the optinal plan of the present embodiment, the cross section of the demarcation plate 101 along its length is arc-shaped.
In the above-mentioned technical solutions, further, the cross-sectional profiles of the knife handle 201 along its length and the extraction
The cross-sectional profiles of chamber 102 along its length coincide.
The inner space of conduit 100 is divided by demarcation plate 101 extracts chamber 102 and inflatable chamber 103, extracts chamber 102 and inflation
The cross section of chamber 103 along its length is not circle, at this time by knife handle 201 be designed as cross-sectional profiles along its length with
The open column shape body that the cross-sectional profiles of chamber 102 along its length match is extracted, knife handle 201 extracts the mistake of chamber 102 protruding into
It will not rotate in journey, knife handle 201 can quickly reach biopsy position and extract biopsy by blade 202, mention
The efficiency that high biopsy is extracted.
It is described to extract the intracavitary storage chamber for being provided with one-way cock in the optinal plan of the present embodiment.
The storage chamber of the intracavitary setting one-way cock of the extraction of conduit 100, cutting undertissue enter in storage chamber immediately, effectively
Avoid tissue that other position arterial embolisms are lost and caused with blood flow.
In the optinal plan of the present embodiment, the sacculus is compliant balloon.
Sacculus uses compliant balloon, can change balloon diameter according to the blowing pressure, conveniently adapt to various external calibers.
In the optinal plan of the present embodiment, the profile that the biopsy accommodates notch 104 is oval.
Biopsy accommodates notch 104 by biopsy and enters in extraction chamber 102, and biopsy is accommodated notch 104 by the present embodiment
Profile is set as ellipse, and corner angle are not present, and the process that biopsy enters extraction chamber 102 is not easy to be destroyed.
In the optinal plan of the present embodiment, the outer surface of the conduit 100 is provided with hydrophilic coating.
Conduit 100 needs to enter in blood vessel, in order to enable conduit 100 more to smoothly enter blood vessel and not to blood
Tube wall causes to damage, and hydrophilic coating is arranged on the outer surface of conduit 100 in the present embodiment.
In the optinal plan of the present embodiment, the cavity wall for extracting chamber 102 is engraved structure.
The effect for extracting chamber 102 is cooperation 200 Biopsy of cutter, and the present embodiment sets the cavity wall for extracting chamber 102 to
Engraved structure alleviates the weight of conduit 100, has saved material, while being also conducive to the stream between the liquid inside and outside conduit 100
It is logical, so as to avoid the pressure burden for increasing blood vessel.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of Endovascular biopsy extraction element, which is characterized in that including conduit and cutter；
The conduit is divided by demarcation plate extracts chamber and inflatable chamber；Biopsy, which is provided with, in the cavity wall for extracting chamber accommodates notch；
The conduit, which corresponds to the biopsy and accommodates, is provided with sacculus on the outer wall of notch；The inflatable chamber is connected to the sacculus；
The cutter is for protruding into the extraction chamber with Biopsy.
2. Endovascular biopsy extraction element according to claim 1, which is characterized in that the biopsy accommodates the side of notch
The gold markers point that can develop under X-ray is provided on edge.
3. Endovascular biopsy extraction element according to claim 1, which is characterized in that the cutter includes knife handle, institute
The front end for stating knife handle is provided with blade.
4. Endovascular biopsy extraction element according to claim 3, which is characterized in that the knife handle is alongst
Cross section it is arc-shaped.
5. Endovascular biopsy extraction element according to claim 4, which is characterized in that leaned in the cavity wall for extracting chamber
The position that the nearly biopsy accommodates notch is provided with guide groove；The guide groove is arranged along the length direction of the conduit；
The guide groove is used to provide guiding for the entrance of the cutter.
6. Endovascular biopsy extraction element according to claim 3, which is characterized in that the demarcation plate is along its length
Cross section it is arc-shaped.
7. Endovascular biopsy extraction element according to claim 6, which is characterized in that the knife handle is along its length
The cross-sectional profiles of cross-sectional profiles and the extraction chamber along its length coincide.
8. Endovascular biopsy extraction element according to claim 1, which is characterized in that the extraction is intracavitary to be provided with list
To the storage chamber of valve.
9. Endovascular biopsy extraction element according to claim 1, which is characterized in that the sacculus is compliance ball
Capsule.
10. Endovascular biopsy extraction element according to claim 1, which is characterized in that it is described extract chamber cavity wall be
Engraved structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811236440.1A CN109303576A (en) | 2018-10-23 | 2018-10-23 | A kind of Endovascular biopsy extraction element |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811236440.1A CN109303576A (en) | 2018-10-23 | 2018-10-23 | A kind of Endovascular biopsy extraction element |
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| CN109303576A true CN109303576A (en) | 2019-02-05 |
Family
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| CN201811236440.1A Pending CN109303576A (en) | 2018-10-23 | 2018-10-23 | A kind of Endovascular biopsy extraction element |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110037754A (en) * | 2019-05-20 | 2019-07-23 | 中国医学科学院北京协和医院 | Endovascular biopsy device and biopsy syste |
| CN111700659A (en) * | 2020-05-06 | 2020-09-25 | 中国人民解放军陆军军医大学第一附属医院 | Intracavitary blood vessel flow guiding device |
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| CN202505396U (en) * | 2012-03-03 | 2012-10-31 | 唐志凌 | Trephine sampler for skin biopsy |
| CN204839583U (en) * | 2015-06-09 | 2015-12-09 | 孙龙 | Biopsy pjncture needle |
| CN206166953U (en) * | 2016-08-16 | 2017-05-17 | 牟坤 | Tumor sampling device |
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| CN110037754A (en) * | 2019-05-20 | 2019-07-23 | 中国医学科学院北京协和医院 | Endovascular biopsy device and biopsy syste |
| CN110037754B (en) * | 2019-05-20 | 2023-11-24 | 中国医学科学院北京协和医院 | Intravascular biopsy device and biopsy system |
| CN111700659A (en) * | 2020-05-06 | 2020-09-25 | 中国人民解放军陆军军医大学第一附属医院 | Intracavitary blood vessel flow guiding device |
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