CN109303963B - Adjustable microcatheter for cerebrovascular intervention - Google Patents
Adjustable microcatheter for cerebrovascular intervention Download PDFInfo
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- CN109303963B CN109303963B CN201811167326.8A CN201811167326A CN109303963B CN 109303963 B CN109303963 B CN 109303963B CN 201811167326 A CN201811167326 A CN 201811167326A CN 109303963 B CN109303963 B CN 109303963B
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- catheter body
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- insulating sleeve
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- 239000000853 adhesive Substances 0.000 claims description 13
- 230000001070 adhesive effect Effects 0.000 claims description 13
- 238000003466 welding Methods 0.000 claims description 3
- 239000011505 plaster Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 8
- 206010008111 Cerebral haemorrhage Diseases 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 238000002560 therapeutic procedure Methods 0.000 description 2
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 208000031226 Hyperlipidaemia Diseases 0.000 description 1
- 206010020772 Hypertension Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000023555 blood coagulation Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000002490 cerebral effect Effects 0.000 description 1
- 208000026106 cerebrovascular disease Diseases 0.000 description 1
- 210000003792 cranial nerve Anatomy 0.000 description 1
- 238000007428 craniotomy Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 206010012601 diabetes mellitus Diseases 0.000 description 1
- 210000001105 femoral artery Anatomy 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 238000002690 local anesthesia Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036407 pain Effects 0.000 description 1
- 231100000915 pathological change Toxicity 0.000 description 1
- 230000036285 pathological change Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000000472 traumatic effect Effects 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
- A61M25/0113—Mechanical advancing means, e.g. catheter dispensers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/02—Holding devices, e.g. on the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/09—Guide wires
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M2025/0008—Catheters; Hollow probes having visible markings on its surface, i.e. visible to the naked eye, for any purpose, e.g. insertion depth markers, rotational markers or identification of type
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M2025/0042—Microcatheters, cannula or the like having outside diameters around 1 mm or less
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/02—Holding devices, e.g. on the body
- A61M2025/0266—Holding devices, e.g. on the body using pads, patches, tapes or the like
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/09—Guide wires
- A61M2025/09125—Device for locking a guide wire in a fixed position with respect to the catheter or the human body
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention discloses an adjustable microcatheter for cerebrovascular intervention, which comprises a guide wire, a catheter body, an avoidance hole, a plaster, a cushion, a clamping sleeve, a clamping plate, a threaded sleeve, a handle, an insulating sleeve, a push plate, a spring, a conductive block and an electromagnet.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an adjustable microcatheter for cerebrovascular intervention.
Background
Cerebral hemorrhage refers to the condition of cerebral hemorrhage caused by non-traumatic brain parenchyma, and the cause of the cerebral hemorrhage is mainly related to the pathological changes of cerebral vessels, namely, hyperlipidemia, diabetes, hypertension, aging of blood vessels and the like. The traditional treatment after cerebral hemorrhage is medicine, but the medicine has slow hemostasis, and sequela is often left after the craniotomy after the blood coagulation. The interventional therapy operations (arterial micro-guide wire expansion operations and stent implantation operations) are diagnosis and treatment operations performed by adopting a series of interventional instruments and materials and modern digital diagnosis and treatment equipment; compared with the traditional surgical operation, the method only needs local anesthesia and a small opening of 1-2mm, so that the method has the advantages of less bleeding, small wound, less complication, quick postoperative recovery, safety, reliability and the like, thereby greatly relieving the pain born by the patient.
According to the above, the cranial nerve interventional therapy refers to minimally invasive intracavity surgical treatment of cerebrovascular diseases by forming a small hole at the femoral artery blood vessel part of a human body and then penetrating a micro guide wire into the blood vessel of a patient. Wherein the little pipe is after deep into the assigned position, in order to improve the stability and the accuracy of treatment, the fastness and the stability of little pipe are crucial, but current little pipe, because of simple structure, function singleness lack fine fixed, consequently not only improved the risk of operation, also increased medical personnel's operation burden, in view of above defect, it is necessary in fact to design the little pipe of regulation formula that is used for cerebrovascular intervention.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: an adjustable microcatheter for cerebrovascular intervention is provided to solve the problems set forth in the background.
In order to solve the technical problems, the technical scheme of the invention is as follows: an adjustable microcatheter for cerebrovascular intervention comprises a guide wire, a catheter body, an avoiding hole, a patch, a cushion, a cutting sleeve, a clamping plate, a threaded sleeve, a handle, an insulating sleeve, a push plate, a spring, a conductive block and an electromagnet, wherein the avoiding hole is positioned inside the catheter body, the avoiding hole is a circular through hole and is connected with the guide wire in a sliding way, the patch penetrates through the outer wall of the catheter body and is connected with the catheter body in a sliding way, the cushion is connected with the catheter body in a sliding way and is connected with the patch by adopting an adhesive, the cutting sleeve penetrates through the outer wall of the catheter body, the cutting sleeve is connected with the catheter body in a sliding way, the cutting sleeve is connected with the cushion by adopting the adhesive, the clamping plate is positioned at the upper end and the lower end of the right side inside the cutting sleeve, and the, the clearance hole is a through hole, the free end on the left side of the clamping plate is positioned in the through hole, the right side of the clamping plate is integrally connected with the clamping sleeve, the threaded sleeve penetrates through the right side of the outer wall of the clamping sleeve, the threaded sleeve is in threaded connection with the clamping sleeve, the handle is positioned at the lower end on the right side of the catheter body, the handle is integrally connected with the catheter body, the insulating sleeve is positioned on the left side of the handle, the insulating sleeve is connected with the handle by adopting an adhesive, the insulating sleeve is connected with the catheter body by adopting an adhesive, the push plate penetrates through the upper end of the inner part of the insulating sleeve, the push plate is in sliding connection with the insulating sleeve, the spring penetrates through the upper end of the outer wall of the push plate, the spring is connected with the push plate by welding, the conductive block is positioned at the bottom of the push plate, the conductive block is connected with, the electromagnet is positioned at the lower end of the inside of the insulating sleeve, and the electromagnet is connected with the insulating sleeve through a bolt.
Further, the right side in the catheter body is also provided with a guide hole, and the guide hole is a conical through hole.
Furthermore, clearance holes are further formed in the upper end and the lower end of the interior of the clamping sleeve and are through holes.
Further, the handle inside still be equipped with the battery, battery and handle adopt the bolt to link to each other.
Further, the lower end of the left side in the handle is further provided with a switch, the switch is connected with the handle through bolts, and the switch is respectively connected with the electromagnet and the storage battery lead.
Furthermore, the front end of the catheter body is also provided with a dial gauge, and the dial gauge is integrally connected with the catheter body.
Compared with the prior art, the adjustable microcatheter for cerebrovascular intervention has the advantages that during operation, medical personnel firstly put the catheter body into the microcatheter from a minimally invasive opening of a patient, then paste the application on the skin of the patient to fix the cutting sleeve, then move the catheter body through the existing medical science to realize that the catheter body is positioned at a cerebrovascular treatment part, then rotate the threaded sleeve to realize that the threaded sleeve rotates from right to left along the outer wall of the cutting sleeve, after the threaded sleeve contacts the clamping plate, the clamping plate moves inwards through the driving force action of the threaded sleeve, namely the clamping plate contacts the catheter body to realize clamping of the catheter body, at the moment, through the operation, the effective fixation of the catheter body and the cutting sleeve is ensured, namely the positioning effect on the catheter body is realized, then when the medical personnel operates a guide wire, the switch can be opened in advance to realize the electrification of the storage battery and the electromagnet, the electromagnet is started to attract the conductive block, the conductive block drives the push plate to overcome the resilience force of the spring to move from top to bottom, the push plate moves downwards to cancel clamping of the guide wire, the moving state of the guide wire and the catheter body is realized, then the guide wire can be operated, the guide wire slides along the avoidance hole, the guide wire stops moving after reaching a treatment area, in order to ensure the positioning and fixing effect of the guide wire, medical personnel can close a switch, namely the power is cut off between the storage battery and the electromagnet, the stopping work of the electromagnet is realized, namely the electromagnet cancels attraction of the conductive block, under the effect of the resilience force of the spring, the push plate moves from bottom to top along the insulating sleeve, namely the push plate moves upwards, so that the guide wire can be clamped, the effective fixation of the guide wire is realized, the operation of subsequent medical personnel is convenient, and the adjustable microcatheter for cerebrovascular intervention is provided, easy operation, powerful, at first through the fixed design of pipe, can reach the location fixed to the pipe, stable and safety in the follow-up operation process has been ensured, secondly through centre gripping formula seal wire mechanism's cooperation effect, also can fix a position the inside seal wire of pipe, the accurate nature of treatment operation has been improved, the burden of medical personnel's operation has been alleviateed, finally reach fine clinical popularization and application purpose, and simultaneously, the guiding hole is for the ease of the seal wire inserts, it is in order to dodge splint to keep away the vacancy hole, insulating cover plays insulating protection effect, the graduation apparatus is for the convenience medical personnel master the degree of depth size of pipe body implantation.
Drawings
FIG. 1 is a front view of an adjustable microcatheter for cerebrovascular intervention;
FIG. 2 is a cross-sectional view of an adjustable microcatheter for cerebrovascular intervention;
FIG. 3 is an enlarged sectional view of the insulating sleeve portion;
fig. 4 is an enlarged cross-sectional view of the ferrule portion.
The medical catheter comprises a guide wire 1, a catheter body 2, an avoidance hole 3, an application 4, a cushion 5, a clamping sleeve 6, a clamping plate 7, a threaded sleeve 8, a handle 9, an insulating sleeve 10, a push plate 11, a spring 12, a conductive block 13, an electromagnet 14, a guide hole 201, a dial gauge 202, an avoidance hole 601, a storage battery 901 and a switch 902.
The following detailed description will be further described in conjunction with the above-identified drawings.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the concepts underlying the described embodiments, however, it will be apparent to one skilled in the art that the described embodiments may be practiced without some or all of these specific details, and in other cases well-known process steps have not been described in detail.
As shown in figures 1, 2, 3 and 4, the adjustable microcatheter for cerebrovascular intervention comprises a guide wire 1, a catheter body 2, an avoidance hole 3, an application 4, a cushion 5, a clamping sleeve 6, a clamping plate 7, a threaded sleeve 8, a handle 9, an insulating sleeve 10, a push plate 11, a spring 12, a conductive block 13 and an electromagnet 14, wherein the avoidance hole 3 is positioned inside the catheter body 2, the avoidance hole 3 is a circular through hole, the avoidance hole 3 is connected with the guide wire 1 in a sliding manner, the application 4 penetrates through the outer wall of the catheter body 2, the application 4 is connected with the catheter body 2 in a sliding manner, the cushion 5 penetrates through the outer wall of the catheter body 2, the cushion 5 is connected with the catheter body 2 in a sliding manner, the cushion 5 is connected with the application 4 by an adhesive, the clamping sleeve 6 penetrates through the outer wall of the catheter body 2, the clamping sleeve 6 is connected with the catheter body 2 in a sliding manner, the cutting sleeve 6 is connected with the cushion 5 by adhesive, the clamping plate 7 is positioned at the upper and lower ends of the right side in the cutting sleeve 6, the upper and lower ends of the inside of the cutting sleeve 6 are also provided with clearance holes 601, the clearance holes 601 are through holes, the left free end of the clamping plate 7 is positioned in the through holes, the right side of the clamping plate 7 is integrally connected with the cutting sleeve 6, the threaded sleeve 8 penetrates through the right side of the outer wall of the cutting sleeve 6, the threaded sleeve 8 is in threaded connection with the cutting sleeve 6, the handle 9 is positioned at the lower end of the right side of the catheter body 2, the handle 9 is integrally connected with the catheter body 2, the insulating sleeve 10 is positioned at the left side of the handle 9, the insulating sleeve 10 is connected with the handle 9 by adhesive, the insulating sleeve 10 is connected with the catheter body 2 by adhesive, the push plate 11 penetrates through the upper end of the inside of the insulating sleeve 10, and the push plate, the spring 12 penetrates through the upper end of the outer wall of the push plate 11, the spring 12 is connected with the push plate 11 in a welding mode, the conductive block 13 is located at the bottom of the push plate 11, the conductive block 13 is connected with the push plate 11 through an adhesive, the conductive block 13 is connected with the insulating sleeve 10 in a sliding mode, the electromagnet 14 is located at the lower end of the inside of the insulating sleeve 10, the electromagnet 14 is connected with the insulating sleeve 10 through a bolt, a guide hole 201 is further formed in the right side of the inside of the catheter body 2, the guide hole 201 is a conical through hole, clearance holes 601 are further formed in the upper end and the lower end of the inside of the ferrule 6, the clearance holes 601 are through holes, a storage battery 901 is further arranged inside the handle 9, the storage battery 901 is connected with the handle 9 through a bolt, a switch 902 is further arranged at the lower end of the left side of the inside of the handle 9, and the switch, the switch 902 is respectively connected with the electromagnet 14 and the storage battery 901 through wires, the front end of the catheter body 2 is further provided with a dial gauge 202, and the dial gauge 202 is integrally connected with the catheter body 2.
The adjustable microcatheter for cerebrovascular intervention comprises a catheter body 2 which is placed into a minimally invasive opening of a patient by a medical worker during an operation, an application patch 4 is stuck on the skin of the patient, so that a cutting sleeve 6 is fixed, the catheter body 2 is moved by the medical worker through the existing medical knowledge, so that the catheter body 2 is positioned at a cerebrovascular treatment position, a threaded sleeve 8 is rotated, so that the threaded sleeve 8 rotates from right to left along the outer wall of the cutting sleeve 6, after the threaded sleeve 8 contacts a clamping plate 7, the clamping plate 7 moves inwards under the action of the pushing force of the threaded sleeve 8, namely the clamping plate 7 contacts the catheter body 2, so that the catheter body 2 is clamped, at the moment, the effective fixation of the catheter body 2 and the cutting sleeve 6 is ensured through the operation, so that the positioning effect on the catheter body 2 is achieved, and then when the medical worker operates a guide wire 1, the switch 902 can be turned on in advance to realize the electrification of the storage battery 901 and the electromagnet 14, namely, the electromagnet 14 can attract the conducting block 13 after being turned on, the conducting block 13 can drive the push plate 11 to overcome the resilience force of the spring 12 to move from top to bottom, namely, the push plate 11 moves downwards so as to cancel the clamping of the guide wire 1, the moving state of the guide wire 1 and the catheter body 2 is realized, then the guide wire 1 can be operated, namely, the guide wire 1 slides along the avoidance hole 3, the guide wire 1 stops moving after reaching a treatment area, in order to ensure the positioning and fixing effect of the guide wire 1, medical personnel can turn off the switch 902, namely, the power is cut between the storage battery 901 and the electromagnet 14, the stop work of the electromagnet 14 is realized, namely, the electromagnet 14 cancels the attraction of the conducting block 13, under the resilience force of the spring 12, the push plate 11 insulating sleeve 10 moves from bottom to top, namely, thereby can the centre gripping seal wire 1, realize seal wire 1's effective fixed, make things convenient for follow-up medical personnel's operation, simultaneously, guiding hole 201 is for the convenience of seal wire 1 inserts, keeps away empty hole 601 and is for dodging splint 7, and insulating cover 10 plays insulating protection effect, and graduation apparatus 202 is for the convenience of medical personnel to master the degree of depth size that pipe body 2 put into.
The present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make various modifications without creative efforts from the above-described conception, and fall within the scope of the present invention.
Claims (5)
1. An adjustable microcatheter for cerebrovascular intervention comprises a guide wire, and is characterized by further comprising a catheter body, an avoiding hole, a patch, a cushion, a clamping sleeve, a clamping plate, a threaded sleeve, a handle, an insulating sleeve, a push plate, a spring, a conductive block and an electromagnet, wherein the avoiding hole is positioned inside the catheter body, the avoiding hole is a circular through hole, the avoiding hole is connected with the guide wire in a sliding manner, the patch penetrates through the outer wall of the catheter body and is connected with the catheter body in a sliding manner, the cushion is connected with the patch by adopting an adhesive, the clamping sleeve penetrates through the outer wall of the catheter body, the clamping sleeve is connected with the catheter body in a sliding manner, the clamping sleeve is connected with the cushion by adopting an adhesive, and the clamping plate, the upper end and the lower end of the interior of the cutting sleeve are also provided with clearance holes which are through holes, the free end on the left side of the clamping plate is positioned in the through hole, the right side of the clamping plate is integrally connected with the cutting sleeve, the threaded sleeve penetrates through the right side of the outer wall of the cutting sleeve, the threaded sleeve is in threaded connection with the cutting sleeve, the handle is positioned at the lower end on the right side of the catheter body, the handle is integrally connected with the catheter body, the insulating sleeve is positioned on the left side of the handle, the insulating sleeve is connected with the handle by adopting an adhesive, the insulating sleeve is connected with the catheter body by adopting an adhesive, the push plate penetrates through the upper end of the inner part of the insulating sleeve, the push plate is in sliding connection with the insulating sleeve, the spring penetrates through the upper end of the outer wall of the push plate, the spring is connected with the push plate by welding, the conductive block, and the conductive block is connected with the insulating sleeve in a sliding manner, the electromagnet is positioned at the lower end inside the insulating sleeve, and the electromagnet is connected with the insulating sleeve by bolts.
2. An adjustable microcatheter as defined in claim 1, wherein a guiding hole is further formed at the right side inside the catheter body, said guiding hole being a tapered through hole.
3. An adjustable microcatheter for cerebrovascular intervention according to claim 2, wherein a battery is further disposed inside the handle, the battery being bolted to the handle.
4. An adjustable microcatheter as defined in claim 3, wherein a switch is further provided at the lower left end of the inside of said handle, said switch is connected to the handle by means of a bolt, and said switch is connected to the electromagnet and the battery lead, respectively.
5. An adjustable microcatheter for cerebrovascular intervention according to claim 4, wherein the catheter body is further provided at a front end thereof with a scale, the scale being integrally connected to the catheter body.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011187408.6A CN112169135A (en) | 2018-10-08 | 2018-10-08 | Adjustable microcatheter for cerebrovascular intervention and method of use |
| CN202011187411.8A CN112169136A (en) | 2018-10-08 | 2018-10-08 | Adjustable microcatheter for cerebrovascular intervention and method of use |
| CN202011187412.2A CN112169137A (en) | 2018-10-08 | 2018-10-08 | Adjustable microcatheter for cerebrovascular intervention and method of use |
| CN201811167326.8A CN109303963B (en) | 2018-10-08 | 2018-10-08 | Adjustable microcatheter for cerebrovascular intervention |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811167326.8A CN109303963B (en) | 2018-10-08 | 2018-10-08 | Adjustable microcatheter for cerebrovascular intervention |
Related Child Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011187412.2A Division CN112169137A (en) | 2018-10-08 | 2018-10-08 | Adjustable microcatheter for cerebrovascular intervention and method of use |
| CN202011187408.6A Division CN112169135A (en) | 2018-10-08 | 2018-10-08 | Adjustable microcatheter for cerebrovascular intervention and method of use |
| CN202011187411.8A Division CN112169136A (en) | 2018-10-08 | 2018-10-08 | Adjustable microcatheter for cerebrovascular intervention and method of use |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109303963A CN109303963A (en) | 2019-02-05 |
| CN109303963B true CN109303963B (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011187412.2A Withdrawn CN112169137A (en) | 2018-10-08 | 2018-10-08 | Adjustable microcatheter for cerebrovascular intervention and method of use |
| CN202011187411.8A Withdrawn CN112169136A (en) | 2018-10-08 | 2018-10-08 | Adjustable microcatheter for cerebrovascular intervention and method of use |
| CN201811167326.8A Active CN109303963B (en) | 2018-10-08 | 2018-10-08 | Adjustable microcatheter for cerebrovascular intervention |
| CN202011187408.6A Withdrawn CN112169135A (en) | 2018-10-08 | 2018-10-08 | Adjustable microcatheter for cerebrovascular intervention and method of use |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011187412.2A Withdrawn CN112169137A (en) | 2018-10-08 | 2018-10-08 | Adjustable microcatheter for cerebrovascular intervention and method of use |
| CN202011187411.8A Withdrawn CN112169136A (en) | 2018-10-08 | 2018-10-08 | Adjustable microcatheter for cerebrovascular intervention and method of use |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202011187408.6A Withdrawn CN112169135A (en) | 2018-10-08 | 2018-10-08 | Adjustable microcatheter for cerebrovascular intervention and method of use |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114401763A (en) * | 2019-07-01 | 2022-04-26 | 波士顿科学有限公司 | Torque fitting for supporting conduit |
| CN110694162A (en) * | 2019-10-09 | 2020-01-17 | 兰州大学第一医院 | Drainage tube suitable for many positions |
| CN113332563B (en) * | 2021-06-25 | 2022-11-11 | 四川艾迈思生物医疗科技股份有限公司 | Medical adjustable microcatheter |
| CN116617547B (en) * | 2023-07-07 | 2024-01-30 | 江苏普力优创科技有限公司 | Segmented microcatheter for vascular intervention |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109303963A (en) | 2019-02-05 |
| CN112169135A (en) | 2021-01-05 |
| CN112169136A (en) | 2021-01-05 |
| CN112169137A (en) | 2021-01-05 |
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