CN220833828U - Cerebral angiography catheter device - Google Patents
Cerebral angiography catheter device Download PDFInfo
- Publication number
- CN220833828U CN220833828U CN202222875591.XU CN202222875591U CN220833828U CN 220833828 U CN220833828 U CN 220833828U CN 202222875591 U CN202222875591 U CN 202222875591U CN 220833828 U CN220833828 U CN 220833828U
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- catheter
- pipe
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- cerebral
- section
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- 238000002585 cerebral angiography Methods 0.000 title claims abstract description 15
- 239000003814 drug Substances 0.000 claims abstract description 21
- 238000002601 radiography Methods 0.000 claims abstract description 12
- 239000004033 plastic Substances 0.000 claims abstract description 11
- 229920003023 plastic Polymers 0.000 claims abstract description 11
- 230000002537 thrombolytic effect Effects 0.000 claims description 18
- 230000000903 blocking effect Effects 0.000 claims description 10
- 230000002490 cerebral effect Effects 0.000 claims description 10
- 239000003146 anticoagulant agent Substances 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000002583 angiography Methods 0.000 abstract description 4
- 208000007536 Thrombosis Diseases 0.000 description 11
- 210000004204 blood vessel Anatomy 0.000 description 3
- 206010008132 Cerebral thrombosis Diseases 0.000 description 2
- 201000001429 Intracranial Thrombosis Diseases 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 230000002792 vascular Effects 0.000 description 2
- 208000024172 Cardiovascular disease Diseases 0.000 description 1
- 206010017553 Furuncle Diseases 0.000 description 1
- 229920002614 Polyether block amide Polymers 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000026106 cerebrovascular disease Diseases 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000032 diagnostic agent Substances 0.000 description 1
- 229940039227 diagnostic agent Drugs 0.000 description 1
- 230000002526 effect on cardiovascular system Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001105 femoral artery Anatomy 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229940124597 therapeutic agent Drugs 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
Abstract
The utility model relates to the field of angiography catheters, in particular to a cerebral angiography catheter device which comprises a catheter, a plugging balloon, a strain release sleeve and a radiography end, wherein a catheter seat is arranged on the left side of the radiography end, the upper end of the catheter seat is communicated with a medicament inlet end, the strain release sleeve is arranged on the left side of the catheter seat, the left side of the strain release sleeve is communicated with the catheter, one end of the catheter close to the strain release sleeve is arranged as a hard catheter section, the left side of the hard catheter section is arranged as a plastic catheter section, the left side of the plastic catheter section is arranged as a flexible catheter section, and the left side of the flexible catheter section is provided with the plugging balloon.
Description
Technical Field
The utility model relates to the technical field of angiography catheters, in particular to a cerebral angiography catheter device.
Background
The intravascular interventional furuncle treatment is a clinical treatment method of establishing a channel from outside to a target blood vessel through interventional equipment and interventional operation and conveying diagnostic agents, therapeutic agents or therapeutic instruments (stents and the like) through the channel, and the interventional treatment has the characteristics of small interventional trauma, small operation danger, obvious curative effect and the like, and becomes a main treatment mode for treating cardiovascular and cerebrovascular diseases. The radiography catheter can be used as a channel of interventional therapy well.
In the related art, the contrast catheter has a single function and can only be used for contrast, when cerebral thrombosis is observed through contrast, the contrast catheter is required to be removed and the thrombolysis catheter is required to be reinserted, and then cerebral vascular thrombolysis is carried out, so that the operation flow of the operation and the risk of the operation are increased, and therefore, the cerebral angiography catheter device is proposed.
The above information disclosed in this background section is only for the understanding of the background of the inventive concept and, therefore, it may contain information that does not form the prior art.
Disclosure of utility model
The utility model aims to provide a cerebral angiography catheter device, which solves the problems that the function of the angiography catheter proposed in the background technology is single, and when cerebral thrombosis is observed through radiography, the angiography catheter is required to be removed and a thrombolysis catheter is required to be reinserted, and then cerebral vascular thrombolysis is carried out.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a cerebral angiography catheter device, includes pipe, shutoff sacculus, strain relief cover and radiography end, the left side of radiography end is installed and is provided with the pipe seat, the upper end UNICOM of pipe seat is provided with the medicament entrance point, the left side installation of pipe seat is provided with the strain relief cover, the left side UNICOM of strain relief cover installs the pipe, the one end that the pipe is close to the strain relief cover sets up to the stereoplasm pipe section, the left side of stereoplasm pipe section sets up to the plastics pipe section, the left side of plastics pipe section sets up to the flexible pipe section, the left side installation of flexible pipe section is provided with the shutoff sacculus.
In some embodiments, an imaging lumen is provided in the catheter holder and is in communication with the imaging port, a thrombolysis channel is provided in the drug inlet port, and a release sleeve lumen is provided in the strain release sleeve.
In some embodiments, the catheter comprises an outer catheter and an inner catheter, the outer catheter and the inner catheter are coaxially arranged, a first through cavity is arranged between the outer catheter and the inner catheter, the lumen of the inner catheter is arranged as a second through cavity, the distal end of the first through cavity is sealed with the plugging balloon, and the distal end of the second through cavity is communicated with the plugging balloon.
In some embodiments, the strain relief sleeve is wrapped around the proximal rigid catheter section, the first lumen is disposed in communication with the thrombolytic channel of the drug inlet end, and the second lumen is disposed in communication with the contrast lumen of the contrast end.
In some embodiments, a plurality of groups of medicine outlet holes are arranged on the right side of the plugging balloon at intervals on the outer catheter.
In some embodiments, the surface of the occlusion balloon is provided with a hydrophilic coating.
The beneficial effects of the utility model are as follows:
In the utility model, the contrast guide tube has both thrombolysis and contrast functions, and can immediately perform thrombolysis when thrombus exists in cerebral vessels during contrast, thereby reducing operation and reducing risks brought by secondary operation.
Drawings
FIG. 1 is a schematic view of a cerebral angiography catheter device according to the present utility model;
FIG. 2 is a schematic view of the internal structure of a catheter hub of a cerebral angiography catheter device according to the present utility model;
fig. 3 is a schematic view of a catheter section structure of a cerebral angiography catheter device according to the present utility model.
In the figure: 1 is a blocking balloon, 2 is a flexible catheter section, 3 is a plastic catheter section, 4 is a hard catheter section, 5 is a strain relief sleeve, 6 is a medicament inlet end, 7 is a catheter seat, 8 is a contrast end, 9 is a relief sleeve inner cavity, 10 is a thrombolysis channel, 11 is a contrast inner cavity, 12 is an outer catheter, 13 is a first through cavity, 14 is an inner catheter, 15 is a second through cavity, 16 is a catheter, and 17 is a medicament outlet hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
It should be noted that, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like refer to an azimuth or a positional relationship based on that shown in the drawings, or that the inventive product is commonly put in place when used, merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1, in this embodiment, distal refers to the end distal from the operator; the proximal end is close to one end of an operator, a cerebral angiography catheter device comprises a catheter 16, a plugging balloon 1, a strain relief sleeve 5 and a radiography end 8, wherein a catheter seat 7 is arranged on the left side of the radiography end 8, a medicament inlet end 6 is arranged on the upper end of the catheter seat 7 in a communicated mode, the strain relief sleeve 5 is arranged on the left side of the catheter seat 7, the catheter 16 is arranged on the left side of the strain relief sleeve 5 in a communicated mode, one end, close to the strain relief sleeve 5, of the catheter 16 is provided with a hard catheter section 4, the left side of the hard catheter section 4 is provided with a plastic catheter section 3, the left side of the plastic catheter section 3 is provided with a flexible catheter section 2, the left side of the flexible catheter section 2 is provided with the plugging balloon 1, and the arranged plastic catheter section 3 can enable the operator to adjust the bending degree of the plastic catheter section 3 according to the specific shape of a cerebral blood vessel or an arterial blood vessel of a patient, so that the adaptability of the catheter 16 is improved, and the cerebral angiography operation can be smoothly carried out.
In this embodiment, the hardness of the tube body of the catheter 16 is specifically gradually decreasing from the proximal end of the catheter 16 toward the distal end of the catheter 16, for example, the hardness of the hard catheter section 4 of the catheter 16 may be selected to be about 70D, alternatively, such as Pebax (nylon elastomer) 72D, nylon, PU (polyurethane) 75D, or the like.
In the embodiment of the present utility model, as shown in fig. 1 and 2, a contrast inner cavity 11 is formed in the catheter seat 7 and is communicated with the contrast end 8, a thrombolysis channel 10 is formed in the medicament inlet end 6, and a release sleeve inner cavity 9 is formed in the strain release sleeve 5.
In the embodiment of the utility model, as shown in fig. 1 and 3, the catheter 16 comprises an outer catheter 12 and an inner catheter 14, the outer catheter 12 and the inner catheter 14 are coaxially arranged, a first through cavity 13 is arranged between the outer catheter 12 and the inner catheter 14, the lumen of the inner catheter 14 is provided with a second through cavity 15, the distal end of the first through cavity 13 is sealed with the blocking balloon 1, the distal end of the second through cavity 15 is communicated with the blocking balloon 1, the blocking balloon 1 can be inflated by contrast liquid, the cerebral vessels are supported and positioned, the problem of random movement of the catheter 16 is effectively avoided, the firmness is further enhanced, and the positioning purpose is achieved.
In the embodiment of the utility model, as shown in fig. 1, 2 and 3, the strain release sleeve 5 wraps the hard catheter section 4 covering the proximal end, the first through cavity 13 is communicated with the thrombolytic channel 10 of the medicament inlet end 6, the second through cavity 15 is communicated with the contrast inner cavity 11 of the contrast end 8, the right side of the blocking balloon 1 is provided with a plurality of groups of medicament outlet holes 17 at intervals on the outer catheter 12, the surface of the blocking balloon 1 is provided with a hydrophilic coating layer, and when a corresponding thrombus position is detected, the catheter 16 is pulled to the corresponding thrombus position and inserted into the thrombus block, and thrombolytic medicament is injected through the medicament outlet holes 17 at the side edge of the catheter 16 to dissolve the thrombus.
In this embodiment, the catheter 16 is first introduced into a cerebral vessel of a patient from a femoral artery, contrast fluid is delivered to the second lumen 15 of the catheter 16 through the contrast lumen 11 of the contrast tip 8, so as to realize contrast operation, when a corresponding thrombus site is found, the catheter 16 is pulled to the corresponding thrombus site and inserted into a thrombus block, thrombolytic medicament is injected into the first lumen 13 of the catheter 16 through the thrombolytic channel 10 of the medicament inlet tip 6, the medicament reaches the thrombus site through the medicament outlet hole 17 on the outer catheter 12, the thrombus is dissolved, the contrast catheter has both thrombolysis and contrast functions, and thrombolysis can be immediately performed when thrombus exists in the cerebral vessel is checked during contrast, so that operation is reduced, and risk brought by secondary operation is reduced.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a cerebral angiography catheter device, includes pipe (16), shutoff sacculus (1), strain relief cover (5) and radiography end (8), its characterized in that: the left side installation of radiography end (8) is provided with pipe seat (7), the upper end UNICOM of pipe seat (7) is provided with medicament entrance point (6), the left side installation of pipe seat (7) is provided with strain relief cover (5), pipe (16) are installed in the left side UNICOM of strain relief cover (5), the one end that pipe (16) are close to strain relief cover (5) sets up to stereoplasm pipe section (4), the left side of stereoplasm pipe section (4) sets up to plastics pipe section (3), the left side of plastics pipe section (3) sets up to flexible pipe section (2), the left side installation of flexible pipe section (2) is provided with shutoff sacculus (1), the right side of shutoff sacculus (1) is spaced apart on outer pipe (12) and is equipped with multiunit play medicine hole (17).
2. The cerebral angiography catheter device according to claim 1, wherein a radiography inner cavity (11) communicated with the radiography end (8) is formed in the catheter seat (7), a thrombolysis channel (10) is formed in the medicament inlet end (6), and a release sleeve inner cavity (9) is formed in the strain release sleeve (5).
3. A cerebral angiography catheter device according to claim 1, characterized in that the catheter (16) comprises an outer catheter (12) and an inner catheter (14), the outer catheter (12) and the inner catheter (14) are coaxially arranged, a first through cavity (13) is arranged between the outer catheter (12) and the inner catheter (14), the lumen of the inner catheter (14) is arranged as a second through cavity (15), one end of the first through cavity (13) close to the blocking balloon (1) is sealed with the blocking balloon (1), and one end of the second through cavity (15) close to the blocking balloon (1) is communicated with the blocking balloon (1).
4. A cerebral angiographic catheter device according to claim 1, characterized in that the strain relief sleeve (5) is wrapped over the right side of the rigid catheter section (4).
5. A cerebral angiographic catheter device according to claim 3, characterized in that said first through-lumen (13) is arranged in communication with the thrombolytic channel (10) of the agent inlet end (6) and said second through-lumen (15) is arranged in communication with the contrast lumen (11) of the contrast end (8).
6. A cerebral angiographic catheter device according to claim 1, characterized in that the surface of the occlusion balloon (1) is provided with a hydrophilic coating.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220833828U true CN220833828U (en) | 2024-04-26 |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |