CN218685647U - Radiography catheter - Google Patents
Radiography catheter Download PDFInfo
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- CN218685647U CN218685647U CN202221875120.2U CN202221875120U CN218685647U CN 218685647 U CN218685647 U CN 218685647U CN 202221875120 U CN202221875120 U CN 202221875120U CN 218685647 U CN218685647 U CN 218685647U
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- radiography
- catheter
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- contrast
- main body
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- 238000002601 radiography Methods 0.000 title claims abstract description 66
- 238000005452 bending Methods 0.000 claims abstract description 16
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 229920002614 Polyether block amide Polymers 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- -1 polyethylene Polymers 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 238000002583 angiography Methods 0.000 abstract description 19
- 210000004204 blood vessel Anatomy 0.000 abstract description 15
- 210000003270 subclavian artery Anatomy 0.000 abstract description 6
- 239000002872 contrast media Substances 0.000 abstract description 5
- 230000005855 radiation Effects 0.000 abstract description 4
- 210000001367 artery Anatomy 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 210000001349 mammary artery Anatomy 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 210000003109 clavicle Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 210000001685 thyroid gland Anatomy 0.000 description 2
- 210000001710 bronchial artery Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000002697 interventional radiology Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of medical equipment, concretely relates to radiography pipe, include: the contrast catheter main body is of a tubular structure; the radiography conduit head section is connected with the radiography conduit main body and is of a bending arc-shaped structure, and the radius of the bending arc-shaped structure is 10mm. By adopting the technical scheme, under the condition that the main body of the radiography conduit is tightly attached to the wall of the subclavian artery, the top end of the curved arc-shaped structure is just hung on the inner wall of the branch blood vessel and is difficult to fall off or shift, the radiography conduit is easily ensured to be hung, fixed and hung, and the operation time of performing angiography by a doctor and the time of receiving X-ray radiation by a patient are reduced; the entrance of the contrast agent can be accurately controlled, and the quality of the contrast image is improved.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to radiography pipe.
Background
The contrast catheter is a consumable commonly used in modern interventional radiology, and is mainly used for delivering the contrast catheter to a target blood vessel and injecting a contrast medium through the contrast catheter so as to display the target blood vessel under X-ray.
The branch vessels of the subclavian artery mainly include: the internal thoracic artery, the nail neck trunk and the rib neck trunk. Because the internal environment and the access angle of the branch blood vessel are different, when the existing angiography catheter enters the branch blood vessel of the subclavian artery, the head end of the angiography catheter is difficult to be hung and fixed at the opening of the branch blood vessel; therefore, the operation time for the doctor to perform angiography is long, and the time for the patient to receive X-ray radiation is also long, which causes great problems in clinical operation. In actual operation, the Simmons tube can be cut off and then used, which is also very inconvenient.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the present invention lies in overcoming the defect that the head end of the angiography catheter in the prior art is difficult to be hung and fixed at the branch vascular opening of the subclavian artery, resulting in the long operation time for the doctor to carry out angiography, and based on the above situation, it is very necessary to develop a stable radiography catheter hung.
In order to achieve the above object, the present invention provides a radiography catheter, comprising:
the contrast catheter main body is of a tubular structure;
the radiography conduit head section is connected with the radiography conduit main body and is of a bending arc-shaped structure, and the radius of the bending arc-shaped structure is 10mm.
Optionally, the method further comprises:
the handle sheath is arranged at one end, far away from the radiography catheter head section, of the radiography catheter main body.
Optionally, the method further comprises:
and the catheter seat is arranged on the radiography catheter main body and is close to the handle sheath.
Optionally, the main body and the head section of the contrast catheter are both made of polyethylene material.
Optionally, the contrast catheter body is made of block polyether amide resin embedded with a stainless steel wire mesh grid.
Optionally, the angiography catheter head section is of a conical structure, and the outer diameter of the conical structure is gradually reduced from one end far away from the angiography catheter main body to one end close to the angiography catheter main body.
Optionally, the arc of the arc-like structure is 90 ° to 105 °.
Optionally, the arc of the arc-shaped structure is 118-132 °.
Optionally, the arc of the arc-shaped structure is 135-150 °.
Compared with the prior art, the technical scheme of the utility model have following advantage:
1. the utility model provides a radiography pipe, include: the contrast catheter main body is of a tubular structure; the radiography conduit head section is connected with the radiography conduit main body and is of a bending arc-shaped structure, and the radius of the bending arc-shaped structure is 10mm; by adopting the technical scheme, under the condition that the main body of the radiography conduit is tightly attached to the wall of the subclavian artery, the top end of the curved arc-shaped structure is just hung on the inner wall of the branch blood vessel and is difficult to fall off or shift, the radiography conduit is easily ensured to be hung and fixed, and the operation time of performing angiography by a doctor and the time of receiving X-ray radiation by a patient are reduced; the entrance of the contrast agent can be accurately controlled, and the quality of the contrast image is improved.
2. The utility model provides a radiography pipe still includes: the handle sheath is arranged at one end, far away from the radiography catheter head section, of the radiography catheter main body; this application adopts above-mentioned technical scheme, guarantees when operation radiography pipe, conveniently holds the one end of radiography pipe, easily will the radiography pipe sends into in the blood vessel.
3. The utility model provides a radiography pipe still includes: the catheter seat is arranged on the radiography catheter main body and is close to the handle sheath; this application adopts above-mentioned technical scheme, and it is firm to guarantee that the outside of radiography pipe is stable, and then ensures that whole radiography pipe is stable firm.
4. The main body and the head section of the radiography conduit of the utility model are both made of polyethylene material; this application adopts above-mentioned technical scheme, guarantees that the radiography pipe has certain hardness, elasticity, compliance and torsion, guarantees the normal clear of radiography operation.
5. The radiography conduit main body of the utility model is made of block polyether amide resin embedded with stainless steel wire mesh grid; this application adopts above-mentioned technical scheme, on guaranteeing that the radiography pipe has the basis of pliability, still has certain intensity.
6. The head section of the radiography catheter of the utility model is a cone-shaped structure, and the outer diameter of the cone-shaped structure is gradually reduced from one end far away from the radiography catheter main body to one end close to the radiography catheter main body; the technical scheme is adopted in the application, so that the radiography catheter is more convenient and easy to penetrate into the blood vessel.
7. The radian of the arc-shaped structure of the utility model is 90 degrees to 105 degrees; the application specifically defines the arc of the arc-shaped structure so as to better adapt to the structural characteristics of the nail-shaped neck trunk branch vessel.
8. The radian of the arc-shaped structure of the utility model is 118-132 degrees; the application specifically defines the arc of the arc-shaped structure so as to better adapt to the structural characteristics of the rib neck trunk branch vessel.
9. The radian of the arc-shaped structure of the utility model is 135 degrees to 150 degrees; the application specifically defines the arc of the arc-shaped structure so as to better adapt to the structural characteristics of the branch vessels of the internal thoracic arteries.
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 embodiments or the technical solutions in 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a first schematic structural diagram of a radiography catheter according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a radiography catheter according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a third angiography catheter according to an embodiment of the present invention.
Description of reference numerals:
1. a contrast catheter body; 2. a contrast catheter head section.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" 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 terms "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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
The embodiment of the contrast catheter shown in fig. 1 to 3 comprises: the radiography catheter comprises a radiography catheter main body 1, a handle sheath arranged at one end of the radiography catheter main body 1, a radiography catheter head section 2 connected with the other end of the radiography catheter main body 1 and a catheter seat arranged on the radiography catheter main body 1.
Example one
As shown in fig. 1, the contrast catheter body 1 is a tubular structure; the radiography conduit head section 2 is a bending arc-shaped structure, and the radius of the bending arc-shaped structure is 10mm. The catheter hub is disposed proximate to the handle sheath. And the contrast catheter body 1 is arranged tangentially at the connection with the contrast catheter head section 2. The angle range of the bending arc-shaped structure is 90-105 degrees, and the bending arc-shaped structure is mainly used for imaging the branch blood vessels of the thyroid cervical trunk; specifically, the angle of the curved arc-shaped structure is 100 °. The outside diameter range of the contrast catheter main body 1 is 1.33mm-2.0mm, and specifically, the outside diameter of the contrast catheter main body 1 is 1.67mm. The vertical distance from the center of the curved arc-shaped structure to the arc top is 11.67mm, and the vertical distance from the center of the arc to the lowermost end of the curved arc-shaped structure is 10mm sin80 degrees, namely 9.85mm. The vertical distance a from the arc apex to the lowermost end of the curved arc-like structure is thus 1.82mm. Specifically, the main body 1 and the head section 2 of the angiography catheter are made of polyethylene materials with certain hardness, elasticity, flexibility and torsion. Further, the angiography catheter head section 2 is a conical structure, and the outer diameter of the conical structure is gradually reduced from one end far away from the angiography catheter main body 1 to one end close to the angiography catheter main body 1. The inner diameter of the contrast catheter head section 2 is uniform or also has a conical structure corresponding to the outer diameter. The main body 1 of the radiography conduit is made of block polyether amide resin embedded with a stainless steel wire mesh grid; the block polyetheramide resin had a hardness of 72D. The stainless steel wire woven mesh adopts stainless steel wires with the diameter of 0.06mm, the number of 16 ingots and the lead of 3.1mm. The welding strength of the radiography conduit is more than 15N, the hardness of the head section 2 of the radiography conduit is 55D, the length is 17.5mm, and the total length of the radiography conduit is 1000mm.
Example two
As shown in fig. 2, the differences between the present embodiment and the first embodiment are briefly described as follows.
The angle range of the bending arc-shaped structure is 118-132 degrees, and the bending arc-shaped structure is mainly used for angiography of rib neck branch vessels; specifically, the angle of the curved arc-shaped structure is 120 °. The vertical distance from the center of the curved arc-shaped structure to the arc top is 11.67mm, and the vertical distance from the center of the arc to the lowermost end of the curved arc-shaped structure is 10mm sin60 degrees, namely 8.66mm. The vertical distance B from the arc apex to the lowermost end of the curved arc-like structure is thus 3.01mm. The length of the contrast catheter head section 2 is 20.9mm.
EXAMPLE III
As shown in fig. 3, the differences between the present embodiment and the first embodiment are briefly described as follows.
The angle range of the bending arc-shaped structure is 135-150 degrees, and the bending arc-shaped structure is mainly used for contrast of branch vessels of internal thoracic arteries; specifically, the angle of the curved arc-shaped structure is 140 °. The vertical distance from the center of the curved arc-shaped structure to the arc top is 11.67mm, and the vertical distance from the center of the curved arc-shaped structure to the lowermost end of the curved arc-shaped structure is 10mm sin40 degrees, namely 6.43mm. The vertical distance C from the arc apex to the lowermost end of the curved arc-like structure is thus 5.24mm. The length of the contrast catheter head section 2 is 24.4mm.
The utility model provides a method for using radiography pipe briefly states as follows: the handle sheath is held by hand, the angiography catheter is extended into the branch blood vessel of the subclavian artery, after the angiography catheter is hung and fixed, the angiography catheter is used for injecting contrast medium, and therefore the target blood vessel is displayed under X-ray.
The radiography catheter provided by the utility model can be suitable for specific operation occasions, and provides great convenience for doctors. According to the different branch blood vessel internal environment of artery under the clavicle, approach angle, mainly to be thoracic internal artery, thyroid cervical trunk, rib cervical trunk and other the vague bronchial artery who originates from artery under the clavicle, the utility model provides a crooked head end of three kinds of different specifications of radiography pipe makes can stably hang at above-mentioned branch blood vessel access opening in the in-service use and leans on, even it is great to form the degree of curvature between patient's internal branch blood vessel and the artery, also can accomplish better fixedly, has avoided the appearance of the circumstances such as pipe head end slippage, dissociation when carrying out the intravascular radiography, has saved the doctor who implements the radiography and has carried out the operating time of this link, has reduced the time of the X ray radiation that the patient received, the entering of control contrast medium that can be accurate, has improved the quality of radiography image, helps final accurate diagnosis.
As an alternative embodiment, the contrast catheter body 1 is produced in one piece with the contrast catheter head 2.
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 changes and modifications can be made without departing from the scope of the invention.
Claims (9)
1. A contrast catheter, comprising:
the contrast catheter main body (1) is of a tubular structure;
the radiography conduit head section (2) is connected with the radiography conduit main body (1) and is of a bending arc-shaped structure, and the radius of the bending arc-shaped structure is 10mm.
2. The contrast catheter according to claim 1, further comprising:
the handle sheath is arranged at one end, far away from the radiography catheter head section (2), of the radiography catheter main body (1).
3. The contrast catheter according to claim 2, further comprising:
the catheter seat is arranged on the radiography catheter main body (1) and is close to the handle sheath.
4. The contrast catheter according to claim 1, characterized in that the contrast catheter body (1) and the contrast catheter head (2) are made of polyethylene material.
5. The contrast catheter according to claim 4, characterized in that the contrast catheter body (1) is made of block polyether amide resin with an embedded stainless steel wire mesh grid.
6. The contrast catheter of claim 1,
the radiography catheter head section (2) is of a conical structure, and the outer diameter of the conical structure is gradually reduced from one end far away from the radiography catheter main body (1) to one end close to the radiography catheter main body (1).
7. The contrast catheter according to any of claims 1-6, wherein the arc of the arc-like structure is 90 ° -105 °.
8. The contrast catheter of any of claims 1-6, wherein the arc of the arc-like structure is 118 ° -132 °.
9. A contrast catheter according to any of claims 1 to 6, wherein the arc of the arcuate configuration is between 135 ° and 150 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221875120.2U CN218685647U (en) | 2022-07-12 | 2022-07-12 | Radiography catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221875120.2U CN218685647U (en) | 2022-07-12 | 2022-07-12 | Radiography catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218685647U true CN218685647U (en) | 2023-03-24 |
Family
ID=85627373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221875120.2U Active CN218685647U (en) | 2022-07-12 | 2022-07-12 | Radiography catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218685647U (en) |
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2022
- 2022-07-12 CN CN202221875120.2U patent/CN218685647U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231127 Address after: 200433 No. 507, people's Democratic Road, Yangpu District, Shanghai Patentee after: SHANGHAI PULMONARY Hospital Address before: 201800 Building 2, 925 Jinyuan 1st Road, Jiading District, Shanghai Patentee before: SHANGHAI KINDLY MEDICAL INSTRUMENTS Co.,Ltd. Patentee before: SHANGHAI PULMONARY Hospital |
|
| TR01 | Transfer of patent right |