CN113101499A - Saccule radiography conduit - Google Patents
Saccule radiography conduit Download PDFInfo
- Publication number
- CN113101499A CN113101499A CN202110396112.3A CN202110396112A CN113101499A CN 113101499 A CN113101499 A CN 113101499A CN 202110396112 A CN202110396112 A CN 202110396112A CN 113101499 A CN113101499 A CN 113101499A
- Authority
- CN
- China
- Prior art keywords
- balloon
- pipe
- tube
- angiography catheter
- port
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- A61M25/10—Balloon catheters
-
- 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
- A61M25/10—Balloon catheters
- A61M2025/1043—Balloon catheters with special features or adapted for special applications
- A61M2025/1079—Balloon catheters with special features or adapted for special applications having radio-opaque markers in the region of the balloon
Abstract
The application discloses a sacculus radiography catheter, including base (1), body (2) and sacculus (3), body (2) are including inner tube (21) and outer tube (22) of establishing in the cover, sacculus (3) set up in body (2) distal end, and with outer tube (22) are linked together; the distal end of body (2) is adjustable bending angle's moulding section, moulding section is equipped with at least three development and shows mark (4). The balloon angiography catheter provided by the application has strong adaptability, can be visible in a patient body, helps a doctor to quickly find a coronary sinus ostium, and improves operation efficiency.
Description
Technical Field
The application relates to the technical field of medical instruments, in particular to a balloon angiography catheter.
Background
The implantation of the cardiac pacemaker is a treatment method of artificially implanting the cardiac pacemaker, stimulating the heart by pulse current with specific frequency through a lead and an electrode, and replacing a pacing point of the heart to drive the heart to beat. Pacemaker implantation is a safe and effective method of treating irreversible cardiac arrest and heart failure, particularly in patients with asynchrony in cardiac electrical activity and heart failure.
Before the implantation of the left ventricular pacing electrode, the coronary sinus radiography is needed to determine the shape of the blood vessel converging into the coronary sinus vein, and then the pacing electrode is accurately sent into the branch of the coronary vein to pace the ventricle. Because the heart failure patient who needs to implant cardiac pacemaker belongs to the critical patient, and current coronary sinus radiography sacculus pipe because the bent shape of pipe distal end is single, the bent type can't accomplish visual problem in vivo, leads to the pipe to operate the difficulty when using, can not be applicable to all patients, influences operation efficiency.
How to provide a novel coronary sinus sacculus radiography pipe to improve operation efficiency, save the time of salvaging patients is the technical problem that the technical personnel in the field need to solve urgently.
Disclosure of Invention
In order to solve the above technical problems, it is an object of the present invention to provide a balloon angiography catheter; the balloon angiography catheter provided by the application has strong adaptability, can be visible in a patient body, helps a doctor to quickly find a coronary sinus ostium, and improves operation efficiency.
The technical scheme provided by the invention is as follows:
a saccule angiography catheter, which comprises a base, a tube body and a saccule,
the tube body comprises an inner tube and an outer tube which are sleeved,
the balloon is arranged at the far end of the tube body and communicated with the outer tube;
the utility model discloses a body, including body, shaping section, body distal end, shaping section, the shaping section of body distal end for adjustable bending angle, the shaping section is equipped with at least three development and shows the mark.
Preferably, the shaping section of body is equipped with at least three development and shows the mark, and adjacent it shows the mark interval between the mark is equal to develop.
Preferably, the spacing between adjacent ones of said development indicators is 8-12 mm.
Preferably, the visualization marker is disposed on the outer wall of the inner tube.
Preferably, the development index is embodied as a development index ring.
Preferably, the base comprises a main body with a cavity, and the two ends of the main body are respectively a main port and an outlet; the base is also provided with a side pipe, one end of the side pipe is a side port, and the other end of the side pipe is communicated with the cavity in the main body;
the main port is communicated with a cavity in the inner pipe; the side port is communicated with a cavity enclosed by the inner pipe and the outer pipe.
Preferably, the inner tube and the outer tube respectively extend into the cavity of the main body and are fixedly connected with the inner wall of the cavity of the main body; the connecting position of the outer pipe and the main body is close to the outlet, the connecting position of the inner pipe and the main body is close to the main port, and the position where the side pipe is communicated with the main body is located between the outlet and the connecting position of the inner pipe.
Preferably, the end of the inner cavity of the main body close to the main port is in a shape of a cone in the luer; the end of the inner cavity of the side tube, which is close to the side port, is in a cone shape in the luer.
Preferably, the outer wall of the main body close to the main port is provided with a locking rib; and the outer wall of the side pipe close to the side port is provided with a locking convex rib.
Preferably, the balloon is in particular a compliant balloon.
The application provides a sacculus radiography pipe sets up adjustable bend angle's moulding section at the body distal end, can adjust the crookedness of moulding section according to different patient's coronary sinus mouthful position form to improve the adaptability of pipe, make it can pass through patient's coronary sinus mouthful smoothly. Simultaneously, the balloon angiography catheter that this application provided has set up at least three at moulding section and has shown the mark for moulding section is visual in patient's body, and the help doctor finds coronary sinus mouth fast, thereby promotes operation efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of a balloon angiography catheter in an embodiment of the present invention;
fig. 2 is a partial enlarged structural view of the distal end of the catheter body of the balloon angiography catheter in the embodiment of the present invention;
FIG. 3 is a partially enlarged structural view of a base of the balloon angiography catheter in the embodiment of the invention;
reference numerals: 1-a base; 11-a master port; 12-an outlet; 13-side port; 2-a pipe body; 21-inner tube; 22-an outer tube; 3-a balloon; 4-developing label.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. 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 application.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" or "a plurality" means two or more unless specifically limited otherwise.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the practical limit conditions of the present application, so that the modifications of the structures, the changes of the ratio relationships, or the adjustment of the sizes, do not have the technical essence, and the modifications, the changes of the ratio relationships, or the adjustment of the sizes, are all within the scope of the technical contents disclosed in the present application without affecting the efficacy and the achievable purpose of the present application.
The embodiments of the present application are written in a progressive manner.
Referring to fig. 1 to 3, an embodiment of the invention provides a balloon angiography catheter, which includes a base 1, a tube 2 and a balloon 3,
the pipe body 2 comprises an inner pipe 21 and an outer pipe 22 which are sleeved,
the balloon 3 is arranged at the far end of the tube body 2 and is communicated with the outer tube 22;
the distal end of body 2 is adjustable bend angle's moulding section, moulding section is equipped with at least three development and shows mark 4.
The existing balloon angiography catheter has a single bent shape at the far end (i.e. one end extending into the body of a patient), but the positions and the shapes of coronary sinus orifices of different patients are different, so that the single fixed bent shape is difficult to adapt to all patients, and the operation efficiency of the patient who is not suitable for the bent shape is influenced. Meanwhile, the bent catheter cannot be visible in vivo, so that doctors cannot accurately judge the position of the catheter, and the operation efficiency is affected.
To this, this application provides a sacculus radiography pipe, sets up the moulding section of adjustable bend angle at 2 distal ends of body, can adjust the crookedness of moulding section according to different patient's coronary sinus position forms to improve the adaptability of pipe, make it can pass through patient's coronary sinus mouthful smoothly. Specifically, before radiography, the position and the shape of the coronary sinus orifice of a patient are observed in advance by shooting, the shaping segment is adjusted in vitro, and then the balloon angiography catheter is sent into the body. According to the operation experience of doctors, the bending degree of the shaping section can be slightly increased by considering the factor of resilience of the shaping section, and the shaping section is sent into a patient body to obtain a proper bending shape. Simultaneously, the balloon angiography catheter that this application provided has set up at least three at moulding section and has shown mark 4 for moulding section is visual in patient's body, and the help doctor finds coronary sinus mouth fast, thereby promotes operation efficiency.
The shaping section of the present application is made of a high molecular polymer material (e.g., Pebax) to achieve the shaping function. After being deformed, the material has certain shape retention performance and elasticity within a certain range. After the doctor manually shapes, the bent shape after shaping cannot be completely destroyed in the process of entering the blood vessel because the material has certain elasticity. Because the memory alloy can be shaped only at 500 ℃, the product made of the memory alloy can not be shaped again by a doctor before clinical use, and only the bent shape of the product can be utilized for operation. The balloon angiography catheter provided by the application can be used for observing the position and the shape of the coronary sinus orifice of a patient by pre-shooting by a doctor, adjusting the shaping section in vitro and then performing an operation, and is strong in pertinence and better in operation effect.
According to the balloon angiography catheter, the bending angle and the developing performance of the far-end shaping section of the catheter body 2 can be adjusted, the catheter is quickly sent to a designated position in a patient body, and then gas or liquid is input into the balloon 3 through a cavity defined by the inner tube 21 and the outer tube 22, so that the balloon 3 is expanded and the coronary sinus ostium is blocked; contrast is then injected into the patient through the lumen inside inner tube 21 to enable visualization of the coronary veins. In the process of delivering the balloon angiography catheter into the body, a guide wire can also be guided through the cavity inside the inner tube 21.
The balloon 3 is arranged at the far end of the tube body 2 and communicated with the outer tube 22, and the balloon 3 can wrap the cavity between the inner tube 21 and the outer tube 22 and is arranged at the outlet of the far end; or a through hole is arranged on the side wall of the outer tube 22, a cavity between the communicating tube 21 and the outer tube 22 and the space inside the saccule 3 are formed, and the outlet of the cavity between the inner tube 21 and the outer tube 22 at the far end is closed, so that gas or liquid for expanding the saccule is prevented from entering the body of a patient.
Preferably, the shaping section of the pipe body 2 is provided with at least three development indicators 4, and the adjacent development indicators 4 have equal intervals.
More preferably, the moulding section of body 2 is equipped with at least three and shows mark 4, and is adjacent it shows the interval between the mark 4 to develop and equals, and it shows that mark 4 interval equals to provide certain measurement function to develop, better assistance-operator operates. The number of the development symbols 4 is preferably 3 to 10, more preferably 5 to 8. The doctor can judge the actual state of the bent type in the body according to the shape change of the developing marker 4 and the relative position of the developing marker 4, and the developing marker 4 with the equal distance also has a certain measuring function, so that the doctor can conveniently judge the depth of the catheter inserted into the coronary vein.
Preferably, the spacing between adjacent ones of said development indicators 4 is 8-12 mm.
Preferably, the spacing between adjacent developed indicia 4 is 8-12mm, more preferably 10-11 mm.
Preferably, the development emblem 4 is disposed on the outer wall of the inner tube 21.
Will develop and show mark 4 and set up inner tube 21 outer wall can play the effect of development, can avoid again to develop and show that mark 4 drops or scrapes patient's lumen inner wall.
Preferably, the development index 4 is embodied as a development index ring.
The development indicator 4 is preferably a development indicator ring, and development can be achieved at various angles. While controlling the outer diameter of the visualization marker ring to be smaller than the inner diameter of the outer tube 22 so that the gas or liquid filling of the balloon 3 is not hindered.
The developing marker can be made of materials commonly used in the field, such as platinum-iridium alloy and the like.
Preferably, the base 1 comprises a body with a cavity, and the two ends of the body are respectively a main port 11 and an outlet 12; the base 1 is also provided with a side pipe, one end of the side pipe is a side port 13, and the other end of the side pipe is communicated with the cavity in the main body;
the main port 11 communicates with the chamber in the inner tube 21; the side port 13 communicates with a chamber enclosed by the inner tube 21 and the outer tube 22.
Preferably, the base 1 comprises a main port 11, an outlet 12 and a side port 13, wherein the main port 11 is communicated with a chamber in the inner tube 21 through the outlet 12 for leading a guide wire to pass through or feeding a developer; the side port 13 is communicated with a chamber enclosed by the inner tube 21 and the outer tube 22 through the outlet 12, is communicated with the saccule 3, and controls whether the saccule 3 is inflated.
Preferably, the inner tube 21 and the outer tube 22 respectively extend into the cavity of the main body and are fixedly connected with the inner wall of the cavity of the main body; the connection position of the outer tube 22 and the main body is close to the outlet 12, the connection position of the inner tube 21 and the main body is close to the main port 11, and the position where the side tube is communicated with the main body is located between the connection positions of the outlet 12 and the inner tube 21.
Specifically, the inner tube 21 and the outer tube 22 are inserted into the cavity of the body, and the proximal ends of the inner tube 21 and the outer tube 22 are fixedly connected with different positions in the body of the base 1, so that the main port 11 and the side port 13 are communicated with different cavities of the tube body 2. The proximal ends of the inner tube 21 and the outer tube 22 and the main body of the base 1 can be fixedly connected at different positions by gluing and the like.
Preferably, the end of the inner cavity of the main body close to the main port 11 is in the shape of a luer cone; the end of the side tube lumen near the side port 13 is in a shape of a cone within a luer.
Preferably, the outer wall of the body near the main port 11 is provided with a locking ridge; the outer wall of the side pipe close to the side port 13 is provided with a locking convex rib.
To facilitate connection of the balloon catheter provided herein to other instruments, the base 1 is preferably provided with a luer-like, locking rib.
Preferably, said balloon 3 is embodied as a compliant balloon.
Example 1
A saccule angiography catheter, which comprises a base 1, a tube body 2 and a saccule 3,
the tube body 2 comprises an inner tube 21 and an outer tube 22 which are sleeved,
the balloon 3 is arranged at the far end of the tube body 2 and is communicated with the outer tube 22;
the far end of the tube body 2 is a shaping section with an adjustable bending angle, the shaping section is provided with six developing indicators 4, the intervals between the adjacent developing indicators 4 are equal, and the interval is 10 mm; the development marker 4 is arranged on the outer wall of the inner tube 21, and the development marker 4 is specifically a development marker ring;
the base 1 comprises a main body with a cavity, wherein a main port 11 and an outlet 12 are respectively arranged at two ends of the main body; the base 1 is also provided with a side pipe, one end of the side pipe is a side port 13, and the other end of the side pipe is communicated with a cavity in the main body; the main port 11 communicates with the chamber in the inner tube 21; the side port 13 communicates with a chamber enclosed by the inner tube 21 and the outer tube 22. The inner tube 21 and the outer tube 22 respectively extend into the cavity of the main body and are fixedly connected with the inner wall of the cavity of the main body; the connecting position of the outer pipe 22 and the main body is close to the outlet 12, the connecting position of the inner pipe 21 and the main body is close to the main port 11, and the position of the side pipe communicated with the main body is positioned between the connecting positions of the outlet 12 and the inner pipe 21;
one end of the inner cavity of the main body, which is close to the main port 11, is in a luer inner cone shape; the end of the inner cavity of the side tube close to the side port 13 is in a cone shape in the luer;
the outer wall of the main body close to the main port 11 is provided with a locking convex edge; the outer wall of the side pipe close to the side port 13 is provided with a locking convex edge;
the balloon 3 is embodied as a compliant balloon.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A saccule angiography catheter which is characterized by comprising a base (1), a tube body (2) and a saccule (3),
the pipe body (2) comprises an inner pipe (21) and an outer pipe (22) which are sleeved,
the balloon (3) is arranged at the far end of the tube body (2) and is communicated with the outer tube (22);
the distal end of body (2) is adjustable bending angle's moulding section, moulding section is equipped with at least three development and shows mark (4).
2. The balloon angiography catheter according to claim 1, wherein the shaped section of the tube body (2) is provided with at least three visualization markers (4), and the adjacent visualization markers (4) are equally spaced.
3. The balloon angiography catheter according to claim 2, wherein a spacing between adjacent ones of the visualization markers (4) is 8-12 mm.
4. The balloon angiography catheter according to any one of claims 1 to 3, wherein the visualization marker (4) is provided on an outer wall of the inner tube (21).
5. The balloon angiography catheter according to claim 4, wherein the visualization marker (4) is in particular a visualization marker ring.
6. The balloon angiography catheter according to any one of claims 1 to 3, wherein the base (1) comprises a body having a cavity, the body having a main port (11) and an outlet (12) at both ends; the base (1) is also provided with a side pipe, one end of the side pipe is a side port (13), and the other end of the side pipe is communicated with the cavity in the main body;
the main port (11) is communicated with a chamber in the inner pipe (21); the side port (13) is communicated with a cavity enclosed by the inner tube (21) and the outer tube (22).
7. The balloon angiography catheter according to claim 6, wherein the inner tube (21) and the outer tube (22) respectively extend into the cavity of the main body and are fixedly connected with the inner wall of the cavity of the main body; the connecting position of the outer pipe (22) and the main body is close to the outlet (12), the connecting position of the inner pipe (21) and the main body is close to the main port (11), and the position of the side pipe communicated with the main body is positioned between the connecting positions of the outlet (12) and the inner pipe (21).
8. The balloon angiography catheter according to claim 6, wherein an end of the lumen of the body near the main port (11) is in a shape of a cone of luer; one end of the inner cavity of the side tube, which is close to the side port (13), is in a luer inner cone shape.
9. The balloon angiography catheter according to claim 8, wherein the outer wall of the main body near the main port (11) is provided with a locking rib; and a locking convex rib is arranged on the outer wall of the side pipe close to the side port (13).
10. Balloon angiography catheter according to claim 1, wherein the balloon (3) is in particular a compliant balloon.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110396112.3A CN113101499A (en) | 2021-04-13 | 2021-04-13 | Saccule radiography conduit |
| CN202220852456.0U CN217391376U (en) | 2021-04-13 | 2022-04-13 | Catheter and catheter assembly for assisting implantation of coronary vein CRT (cathode ray tube) |
| CN202210388955.3A CN115192868A (en) | 2021-04-13 | 2022-04-13 | Catheter and catheter assembly for assisting implantation of coronary vein CRT (cathode ray tube) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110396112.3A CN113101499A (en) | 2021-04-13 | 2021-04-13 | Saccule radiography conduit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113101499A true CN113101499A (en) | 2021-07-13 |
Family
ID=76716725
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110396112.3A Pending CN113101499A (en) | 2021-04-13 | 2021-04-13 | Saccule radiography conduit |
| CN202210388955.3A Pending CN115192868A (en) | 2021-04-13 | 2022-04-13 | Catheter and catheter assembly for assisting implantation of coronary vein CRT (cathode ray tube) |
| CN202220852456.0U Active CN217391376U (en) | 2021-04-13 | 2022-04-13 | Catheter and catheter assembly for assisting implantation of coronary vein CRT (cathode ray tube) |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210388955.3A Pending CN115192868A (en) | 2021-04-13 | 2022-04-13 | Catheter and catheter assembly for assisting implantation of coronary vein CRT (cathode ray tube) |
| CN202220852456.0U Active CN217391376U (en) | 2021-04-13 | 2022-04-13 | Catheter and catheter assembly for assisting implantation of coronary vein CRT (cathode ray tube) |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN113101499A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114432578A (en) * | 2022-01-27 | 2022-05-06 | 美度可医疗科技(上海)有限公司 | Adjustable sacculus pipe |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4279252A (en) * | 1979-08-24 | 1981-07-21 | Martin Michael T | X-ray scaling catheter |
| US20080255447A1 (en) * | 2007-04-16 | 2008-10-16 | Henry Bourang | Diagnostic catheter |
| CN102500041A (en) * | 2011-11-10 | 2012-06-20 | 微创医疗器械(上海)有限公司 | Balloon dilatation catheter |
| CN203620050U (en) * | 2013-07-12 | 2014-06-04 | 李学斌 | Coronary sinus contrast balloon catheter |
| US20150335860A1 (en) * | 2012-12-31 | 2015-11-26 | Clearstream Technologies Limited | Catheter with markings to facilitate alignment |
| CN111971083A (en) * | 2018-04-11 | 2020-11-20 | 美敦力瓦斯科尔勒公司 | Vector flushing sizing catheter |
| CN111973867A (en) * | 2020-08-28 | 2020-11-24 | 河南科技大学第一附属医院 | Balloon for preventing blood vessel from being broken and using method |
-
2021
- 2021-04-13 CN CN202110396112.3A patent/CN113101499A/en active Pending
-
2022
- 2022-04-13 CN CN202210388955.3A patent/CN115192868A/en active Pending
- 2022-04-13 CN CN202220852456.0U patent/CN217391376U/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4279252A (en) * | 1979-08-24 | 1981-07-21 | Martin Michael T | X-ray scaling catheter |
| US20080255447A1 (en) * | 2007-04-16 | 2008-10-16 | Henry Bourang | Diagnostic catheter |
| CN102500041A (en) * | 2011-11-10 | 2012-06-20 | 微创医疗器械(上海)有限公司 | Balloon dilatation catheter |
| US20150335860A1 (en) * | 2012-12-31 | 2015-11-26 | Clearstream Technologies Limited | Catheter with markings to facilitate alignment |
| CN203620050U (en) * | 2013-07-12 | 2014-06-04 | 李学斌 | Coronary sinus contrast balloon catheter |
| CN111971083A (en) * | 2018-04-11 | 2020-11-20 | 美敦力瓦斯科尔勒公司 | Vector flushing sizing catheter |
| CN111973867A (en) * | 2020-08-28 | 2020-11-24 | 河南科技大学第一附属医院 | Balloon for preventing blood vessel from being broken and using method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114432578A (en) * | 2022-01-27 | 2022-05-06 | 美度可医疗科技(上海)有限公司 | Adjustable sacculus pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN217391376U (en) | 2022-09-09 |
| CN115192868A (en) | 2022-10-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5056532A (en) | Esophageal pacing lead | |
| US4559046A (en) | Apparatus for intravenous therapy and hyperalimentation | |
| US10653867B2 (en) | Dilator sheath set | |
| EP2092955B1 (en) | Leads for pacing and/or sensing the heart from within the coronary veins | |
| US6671550B2 (en) | System and method for determining location and tissue contact of an implantable medical device within a body | |
| EP3324866A2 (en) | Substernal placement of a pacing and/or defibrillating electrode | |
| WO1991012836A1 (en) | Apparatus and method for central venous catheterization | |
| CN212118742U (en) | Multifunctional catheter for coronary vein intubation and radiography | |
| CN216091820U (en) | Coronary sinus saccule angiography catheter | |
| CN113101499A (en) | Saccule radiography conduit | |
| JP2022553602A (en) | Catheter tubing for steerable catheters and methods of implanting implantable medical devices with steerable catheters | |
| US20100010607A1 (en) | Implantable electrode line or electrode line configuration | |
| CN210750825U (en) | Wolf tooth stick type expansion drug delivery balloon | |
| JP2855556B2 (en) | Measuring device for bronchial lead ECG | |
| US11826523B2 (en) | Magnetic navigation-guided tear-away sheath for cardiac conduction bundle pacing | |
| Lau et al. | Advances in devices for cardiac resynchronization in heart failure | |
| CN111184947B (en) | Cerclage cardiac pacemaker lead | |
| CN211883782U (en) | Electrophysiology catheter for mapping coronary sinus | |
| CN208388651U (en) | Blood vessel intervention diagnosis and therapy system | |
| US20210220609A1 (en) | Implantable Pressure Sensor Probe and Catheter for Implanting a Pressure Sensor Probe | |
| CN117339108B (en) | Leadless cardiac pacemaker system capable of reducing pacing threshold | |
| CN216294973U (en) | Double-balloon with tip provided with wire guide port | |
| WO2000018470A1 (en) | A fast bedside temporary pacemaker and method of using it | |
| CN103126659B (en) | Biatrial catheter | |
| Rosenheck et al. | Single pass lead VDD pacing in children and adolescents |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210713 |