CN114129221A - Remove and tie device - Google Patents
Remove and tie device Download PDFInfo
- Publication number
- CN114129221A CN114129221A CN202111409147.2A CN202111409147A CN114129221A CN 114129221 A CN114129221 A CN 114129221A CN 202111409147 A CN202111409147 A CN 202111409147A CN 114129221 A CN114129221 A CN 114129221A
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- Prior art keywords
- piece
- cutting
- driven
- thrombus
- driving
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- 230000004308 accommodation Effects 0.000 claims abstract description 4
- 238000013156 embolectomy Methods 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000013151 thrombectomy Methods 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 4
- 208000007536 Thrombosis Diseases 0.000 abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 238000002560 therapeutic procedure Methods 0.000 abstract description 3
- 210000004204 blood vessel Anatomy 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 239000003146 anticoagulant agent Substances 0.000 description 1
- 230000010100 anticoagulation Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
- 238000002601 radiography Methods 0.000 description 1
- 230000002537 thrombolytic effect Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
- A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
- A61B17/320758—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions with a rotating cutting instrument, e.g. motor driven
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22072—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with an instrument channel, e.g. for replacing one instrument by the other
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22079—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with suction of debris
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
- A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
- A61B17/320758—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions with a rotating cutting instrument, e.g. motor driven
- A61B2017/320775—Morcellators, impeller or propeller like means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
- A61B2090/3966—Radiopaque markers visible in an X-ray image
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Vascular Medicine (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Pathology (AREA)
- Surgical Instruments (AREA)
Abstract
The invention relates to the technical field of interventional therapy instruments, in particular to a thrombus removing device, which comprises: an outer tube having an accommodation space; the rotary cutting assembly comprises a driven piece arranged in the accommodating space, a connecting piece connected with the driven piece and a cutting piece arranged at the other end of the connecting piece, and the blade part of the cutting piece extends out of the end head of the outer pipe; the driving piece is arranged in the accommodating space and is suitable for driving the driven piece to rotate. The invention solves the problem that the existing thrombus removing device adopting water flow impact and suction modes can not remove hard thrombus.
Description
Technical Field
The invention relates to the technical field of interventional therapy instruments, in particular to a thrombus removal device.
Background
At present, thrombus is more and more common in clinic and seriously threatens the life health of people. Common methods of thrombus treatment include anticoagulation, thrombolytic therapy and surgical embolectomy. Among them, surgical embolectomy is a rapid and effective method for treating thrombus, and is widely used due to its unique advantages. When the existing thrombus removing device removes thrombus, a water flow impact and suction mode is used, a better treatment effect is achieved on soft thrombus, and the treatment effect on hard thrombus is not good due to the fact that the strength of water flow force is limited.
Disclosure of Invention
The invention provides a thrombus removal device, which solves the problems that the existing thrombus removal device adopting water flow impact and suction modes cannot remove hard thrombus and has poor thrombus removal effect.
In order to solve the above technical problem, the present invention provides a thrombus removal device, including:
an outer tube having an accommodation space;
the rotary cutting assembly comprises a driven piece arranged in the accommodating space, a connecting piece connected with the driven piece and a cutting piece arranged at the other end of the connecting piece, and the blade part of the cutting piece extends out of the end head of the outer pipe;
the driving piece is arranged in the accommodating space and is suitable for driving the driven piece to rotate.
Optionally, a supporting structure is further arranged in the accommodating space, and a first installation part and a second installation part which are respectively used for installing the driven part and the driving part are arranged on the supporting structure.
Optionally, the first mounting portion and the second mounting portion are through holes.
Optionally, the driving member is a nozzle penetrating through the second mounting portion.
Optionally, one end of the nozzle close to the cutting member has a bending portion extending towards the driven member.
Optionally, the driven member is a turbine.
Optionally, the periphery of the cutting member is further provided with a protective sleeve, and the protective sleeve is provided with an opening allowing the blade part of the cutting member to be exposed.
Optionally, the side surface of the blade part of the cutting member is a circular arc surface.
Optionally, the cutting device further comprises two brackets respectively connected with the driven piece and the cutting piece.
Optionally, a developing structure is respectively disposed at a position of the outer tube close to the cutting member and a position corresponding to the driven member.
The technical scheme of the invention has the following advantages:
1. according to the thrombus removing device provided by the invention, the rotary cutting assembly is arranged in the accommodating space of the outer tube and comprises the driven piece, the connecting piece and the cutting piece, the driven piece and the cutting piece at the two ends of the outer tube are connected into a whole by the connecting piece, when the driven piece is driven by the driving piece, the connecting piece drives the cutting piece to rotate together, the blade part of the cutting piece extends out of the end head of the outer tube and is used for cutting hard thrombus in the blood vessel, and the blade part of the cutting piece has certain strength, so that a larger cutting force can be applied to the hard thrombus, and the thrombus removing effect is ensured.
2. According to the bolt removing device provided by the invention, the supporting structure is arranged in the accommodating space, two through holes are respectively formed on the supporting structure and used as a first mounting part and a second mounting part which are respectively used for mounting the driven part and the driving part, the supporting structure ensures that the driven part and the driving part are firmly mounted in the accommodating space, the driven part does not collide with the inner wall of the outer pipe and the driving part when the driven part drives the connecting part and the cutting part to rotate, and meanwhile, the driving part does not deviate or move in the outer pipe.
3. The invention provides a thrombus removing device, which adopts a turbine as a driven part, a spray pipe as a driving part and a bent part extending towards the driven part at the end, wherein high-speed liquid flow is sprayed out of the bent part and can impact the driven part to rotate so as to drive a connecting part and a cutting part to synchronously rotate, the blade part of the cutting part can cut hard thrombus, a negative pressure space can be formed between the driven part and the cutting part while the high-speed liquid flow impacts the turbine, and the cut and peeled thrombus is sucked into an accommodating space from the end of an outer pipe and is discharged to the rear end of the outer pipe through a through hole of a first mounting part.
4. According to the thrombus removing device provided by the invention, the periphery of the cutting piece is also provided with the protective sleeve, the protective sleeve is provided with the opening allowing the blade part of the cutting piece to be exposed, when the cutting piece is used for rotary cutting, only the exposed blade part can cut thrombus, the rest part is shielded by the protective sleeve and does not contact with the blood vessel wall, the thrombus-free part of the blood vessel is prevented from being damaged, the end head part of the protective sleeve and the part shielding the cutting piece are smoothly and excessively connected with the outer tube, and the thrombus removing device is favorable for penetrating and moving in the blood vessel.
5. According to the thrombus removing device provided by the invention, the side surface of the blade part of the cutting part is an arc surface, so that the effective cutting area is increased, and the vessel wall is prevented from being scratched by the blade part.
6. The invention provides a bolt removing device, wherein a driven piece and a cutting piece are arranged in an accommodating space of an outer pipe by utilizing two brackets, the two brackets are respectively connected with rotating shafts of the driven piece and the cutting piece, the driven piece and the cutting piece are ensured to rotate stably, meanwhile, the driven piece and the cutting piece do not collide with the inner wall of the outer pipe, and the friction force between the driven piece and the cutting piece is reduced.
7. According to the thrombus removing device provided by the invention, the developing structures are sleeved on the outer wall of the outer tube and are respectively positioned at the position close to the cutting part and the position corresponding to the driven part, after the thrombus removing device extends into a blood vessel, the position of the rotary cutting assembly can be accurately positioned by utilizing radiography equipment, and the rotary cutting assembly can conveniently reach the thrombus position to cut hard thrombus.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of a thrombus removal device provided by the present invention;
FIG. 2 is a schematic structural view of one embodiment of a support structure;
FIG. 3 is a schematic view of a connection structure of the rotary cutting assembly and the support;
FIG. 4 is a schematic view of the working principle of the thrombectomy device provided by the present invention;
FIG. 5 is a schematic view of the working state of the thrombectomy device provided by the present invention;
FIG. 6 is a schematic view of a first embodiment of a thrombus removal device provided by the present invention;
FIG. 7 is a schematic view of a second embodiment of a thrombus removal device provided by the present invention;
FIG. 8 is a schematic view of a third embodiment of the embolectomy device provided by the present invention;
fig. 9 is a schematic view of a fourth embodiment of the embolectomy device provided by the invention.
Description of reference numerals:
1-driving part, 2-driven part, 3-connecting part, 4-cutting part, 5-first cavity, 6-second cavity, 7-flow channel, 8-outer tube, 9-protective sleeve, 10-developing structure, 11-supporting structure, 12-first mounting part, 13-second mounting part, 14-bending part, 15-thrombus, 16-blood vessel, 17-delivery micro-catheter, 18-inner tube and 19-stent.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, e.g. as a fixed connection, a detachable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
One embodiment of a thrombectomy device, as shown in FIGS. 1-3, comprises: the cutting device comprises an outer pipe 8 with a containing space, and a rotary cutting assembly and a driving piece 1 which are arranged in the containing space of the outer pipe 8.
Specifically, the outer tube 8 is a thin-wall tube body or a tube body with an accommodating space formed in a solid body.
The rotary cutting assembly is arranged at the end of the far end of the outer tube 8 and comprises a cutting piece 4, a connecting piece 3 and a driven piece 2. The cutting part 4 is arranged at the port part at the far end of the outer tube 8, the cutting part 4 is a cutting blade, and an edge part for cutting thrombus extends out of the port at the far end of the outer tube 8. And two ends of the connecting piece 3 are respectively connected with the cutting piece 4 and the driven piece 2 and are connecting shafts. The driven member 2 is arranged at a distance from the end opening of said outer tube 8 and is a turbine.
In particular, the driving member 1 may be an electric mechanism or a hydraulic or pneumatic mechanism, and in this embodiment, is a nozzle, and an end of the nozzle near the cutting member 4 has a bent portion 14, and the bent portion 14 extends toward the driven member 2. Obviously, when the driving member 1 is an electric mechanism, it needs to be electrically connected to the driven member 2.
In a specific implementation, as shown in fig. 6 to 9, a supporting structure 11 is further disposed in the accommodating space, and a first mounting portion 12 and a second mounting portion 13 for mounting the driven member 2 and the driving member 1 are disposed thereon.
Alternatively, the supporting structure 11 may be a partition plate with an outer edge matching with the inner diameter of the outer pipe 8, as shown in fig. 2, and the corresponding first mounting portion 12 and second mounting portion 13 are through holes respectively corresponding to the turning radius of the driven member 2 and the maximum outer edge of the driving member 1; be equipped with a support 19 in the first installation department 12, support 19 with first installation department 12 is connected, support 5 supports the axis of rotation of turbine, second installation department 13 for the diameter with spray tube matched with through-hole, the spray tube wears to locate in the second installation department 13. At the end of the outer tube 8 adjacent to the cutting member 4, a further support 5 is provided, which support 5 supports the axis of rotation of the cutting member.
Optionally, the supporting structure 11 may also be an inner tube 18 penetrating the outer tube 8, as shown in fig. 9, the corresponding rotary cutting assembly is disposed in the inner tube 18, the driven member 2 may be disposed in the inner tube 18 through a bracket 19, the driving member 1 is disposed between the inner tube 18 and the outer tube 8, and a second mounting portion 13 for fixing the driving member 1 is further disposed on an outer wall of the inner tube 18; specifically, when the driving member 1 is a nozzle, the bent portion 14 penetrates into the inner tube 18, and the penetrating portion is located between the cutting member 4 and the driven member 2 and faces the driven member 2.
Optionally, when the outer tube 8 is a solid tube body with an accommodating space therein, as shown in fig. 8, a first cavity 5 penetrating through the outer tube 8 in the axial direction and a second cavity 6 having a through end portion with the first cavity 5 are formed in the outer tube 8, a rotary cutting assembly is disposed at a distal end of the first cavity 5, a through portion between the second cavity 6 and the first cavity 5 is located between the cutting member 4 and the driven member 2, and a flow passage 7 facing the driven member 2 is formed at the through portion.
Optionally, the periphery of cutting member 4 still is equipped with protective sheath 9, as shown in fig. 1, fig. 4, be equipped with on the protective sheath 9 and allow the exposed opening of cutting member 4's cutting part, it is concrete, protective sheath 9 is the hemisphere cover body, right cutting member 4 forms the part and shelters from, the cutting part of cutting member 4 can expose the opening part when rotatory and cut the thrombus, the cutting part side of cutting member 4 is the arc surface.
Optionally, the outer tube 8 is further sleeved with a developing structure 10, specifically two developing rings, which are respectively sleeved on the outer wall of the outer tube 8 corresponding to the cutting member 4 and the driven member 2.
In use, as shown in fig. 4 and 5, after the thrombectomy device is inserted into the delivery micro-catheter 23, the delivery micro-catheter 23 is inserted into the blood vessel 16 together with the thrombectomy device. The position of the visualization structure 10 is observed by using a contrast device until the distal end of the delivery micro-catheter 23 reaches the distal end of the thrombus 15, the thrombus removal device is kept still, and the delivery micro-catheter 23 is withdrawn to expose the tip part of the distal end of the thrombus removal device, namely, the blade part of the cutting member 4. The normal saline is pressurized and then injected into the water spraying pipe, high-pressure water flow is sprayed out of the bending part 14 of the water spraying pipe to impact the turbine to rotate at high speed, the connecting piece 3 and the cutting piece 4 are driven to rotate together, and the blade part of the cutting piece 4 cuts off the hard thrombus 15 in the blood vessel 16. Meanwhile, the high-pressure water flow and the rotation of the turbine can form Bernoulli negative pressure between the cutting piece 4 and the turbine, and the fallen thrombus 15 can be sucked into the outer tube 8 by the end head at the far end of the thrombus removing device and is discharged out of the body.
Similarly, when the driving member 1 is an electric mechanism, the turbine or other driven member 2 can be driven to rotate the cutting member 4 and form a negative pressure therebetween, so as to cut off the hard thrombus 15 and suck it into the outer tube 8, and then discharge it out of the body. And a peristaltic pump can be connected to the proximal end of the outer tube to suck the thrombus in the outer tube 8 out of the body.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. A thrombectomy device, comprising:
an outer tube (8) having an accommodation space;
the rotary cutting assembly comprises a driven piece (2) arranged in the accommodating space, a connecting piece (3) connected with the driven piece (2) and a cutting piece (4) arranged at the other end of the connecting piece (3), and the blade part of the cutting piece (4) extends out of the end of the outer pipe (8);
the driving part (1) is arranged in the accommodating space and is suitable for driving the driven part (2) to rotate.
2. The embolectomy device of claim 1, wherein: still be equipped with bearing structure (11) among the accommodation space, be equipped with on bearing structure (11) and be used for the installation respectively driven piece (2) with first installation department (12) and second installation department (13) of driving piece (1).
3. The embolectomy device of claim 2, wherein: the first mounting part (12) and the second mounting part (13) are through holes.
4. The embolectomy device of claim 3, wherein: the driving piece (1) is a spray pipe penetrating through the second installation part (13).
5. The embolectomy device of claim 4, wherein: one end of the spray pipe close to the cutting piece (4) is provided with a bending part (14) extending towards the driven piece (2).
6. The embolectomy device of claim 5, wherein: the driven member (2) is a turbine.
7. The embolectomy device of any of claims 1-6, wherein: the periphery of cutting member (4) still is equipped with protective sheath (9), be equipped with on protective sheath (9) and allow the blade of cutting member (4) exposes the opening.
8. The embolectomy device of claim 7, wherein: the side surface of the cutting edge part of the cutting piece (4) is an arc surface.
9. The embolectomy device of any of claims 1-8, wherein: and two brackets (19) respectively connected with the driven piece (2) and the cutting piece (4).
10. The embolectomy device of any of claims 1-8, wherein: and a developing structure (10) is respectively arranged at the position of the outer pipe (8) close to the cutting piece (4) and the position corresponding to the driven piece (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111409147.2A CN114129221B (en) | 2021-11-19 | 2021-11-19 | Bolt removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111409147.2A CN114129221B (en) | 2021-11-19 | 2021-11-19 | Bolt removing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114129221A true CN114129221A (en) | 2022-03-04 |
| CN114129221B CN114129221B (en) | 2024-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111409147.2A Active CN114129221B (en) | 2021-11-19 | 2021-11-19 | Bolt removing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114129221B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4631052A (en) * | 1984-01-03 | 1986-12-23 | Intravascular Surgical Instruments, Inc. | Method and apparatus for surgically removing remote deposits |
| US5312427A (en) * | 1992-10-16 | 1994-05-17 | Shturman Cardiology Systems, Inc. | Device and method for directional rotational atherectomy |
| US20070282361A1 (en) * | 2004-07-22 | 2007-12-06 | Orlando Da Rold | Surgical Cutting Instrument |
| JP2013154171A (en) * | 2012-01-26 | 2013-08-15 | Covidien Lp | Thrombectomy catheter system |
| CN110755133A (en) * | 2019-11-19 | 2020-02-07 | 昆山金泰医疗科技有限公司 | Rotary cutting device |
| US20200261112A1 (en) * | 2019-02-20 | 2020-08-20 | Medtronic Vascular, Inc. | Tissue-removing catheter including turbine |
| US20200315652A1 (en) * | 2019-04-04 | 2020-10-08 | Transmed7, Llc | Excisional devices and methods |
-
2021
- 2021-11-19 CN CN202111409147.2A patent/CN114129221B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4631052A (en) * | 1984-01-03 | 1986-12-23 | Intravascular Surgical Instruments, Inc. | Method and apparatus for surgically removing remote deposits |
| US5312427A (en) * | 1992-10-16 | 1994-05-17 | Shturman Cardiology Systems, Inc. | Device and method for directional rotational atherectomy |
| US20070282361A1 (en) * | 2004-07-22 | 2007-12-06 | Orlando Da Rold | Surgical Cutting Instrument |
| JP2013154171A (en) * | 2012-01-26 | 2013-08-15 | Covidien Lp | Thrombectomy catheter system |
| US20200261112A1 (en) * | 2019-02-20 | 2020-08-20 | Medtronic Vascular, Inc. | Tissue-removing catheter including turbine |
| US20200315652A1 (en) * | 2019-04-04 | 2020-10-08 | Transmed7, Llc | Excisional devices and methods |
| CN110755133A (en) * | 2019-11-19 | 2020-02-07 | 昆山金泰医疗科技有限公司 | Rotary cutting device |
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| Publication number | Publication date |
|---|---|
| CN114129221B (en) | 2024-07-26 |
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