CN212522676U - Multifunctional multi-cavity balloon catheter - Google Patents
Multifunctional multi-cavity balloon catheter Download PDFInfo
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- CN212522676U CN212522676U CN202022019570.9U CN202022019570U CN212522676U CN 212522676 U CN212522676 U CN 212522676U CN 202022019570 U CN202022019570 U CN 202022019570U CN 212522676 U CN212522676 U CN 212522676U
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Abstract
The invention relates to a multifunctional multi-cavity balloon catheter, which comprises an auxiliary guiding head in a blood vessel cavity, a balloon connecting catheter body and a tail end operating part, wherein the balloon connecting catheter body is connected with the tail end operating part; the auxiliary guiding head in the blood vessel cavity comprises a conical soft head at the front end and an L-shaped saccule, the conical soft head at the front end is provided with a hollow inner cavity, and the end part of the conical soft head at the front end is provided with an opening; the balloon connecting catheter body comprises an outer sheath on the outer wall and an inner hose, and a balloon water injection catheter and a wire guide tube which penetrate through the hose are arranged in the hose; the inner hose of the balloon connecting catheter body is connected to the front end conical soft head, and a wire guide tube in the hose penetrates through a hollow inner cavity of the front end conical soft head to an opening at the end part of the front end conical soft head; one end of the L-shaped saccule is communicated with the saccule water injection catheter in the hose, the other end of the L-shaped saccule is of a closed structure, and the L-shaped saccule at the front end of the outer sheath is connected with the hose through a membrane structure. The multifunctional multi-cavity balloon catheter can help doctors to handle difficult and complicated operations under specific situations, thereby improving the success rate of the operation and reducing the operation time.
Description
Technical Field
The invention relates to the field of medical devices, in particular to a multifunctional multi-cavity balloon catheter.
Background
With the development of medical technology, intravascular interventional surgery is widely used for treating various clinical diseases by virtue of the characteristics of small incision, low trauma, quick recovery and the like. In the operation, the rapid, accurate and stable arrival of the intervention consumables such as guide wires, catheters, stents and the like at the required position becomes an important factor for shortening the operation time, reducing the operation complications and improving the operation success rate. In some difficult surgeries, due to the lack of reliable and effective auxiliary devices, the difficulty of the surgery may be greatly increased, and even the surgery cannot be successfully completed, so that the surgery needs to be changed into open surgery treatment. This greatly increases the trauma, surgical risk and treatment costs of the patient.
When an aorta intervention stent is implanted, when a plurality of stents are required to be placed in a superposed mode, sometimes due to the aorta morphology and lesion reasons, a stent with a bare stent at the front end is required to be implanted at the far end of a descending aorta in advance, then a specific stent is selected to be implanted at the near heart end, and the stent is not protected by an outer sheath when being implanted, so that the position of the stent is easily influenced with the bare stent structure of the stent implanted in advance when being adjusted, the position of a second stent cannot be adjusted smoothly, even the situations of displacement, deformation and the like of a first stent occur, a series of complications are caused, the complications are changed into an open operation, and the operation difficulty and risk of a patient are greatly increased. When a branch stent is implanted into a patient with abdominal aortic aneurysm, a guide wire sometimes cannot smoothly enter a main stent, so that the operation time is greatly prolonged, and the operation prognosis of the patient is influenced.
Disclosure of Invention
The invention aims to provide a multifunctional multi-cavity balloon catheter which can reduce operation difficulty and risk and improve operation efficiency.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
a multifunctional multi-cavity balloon catheter comprises an auxiliary guiding head in a blood vessel cavity, a balloon connecting catheter body and a tail end operating part;
the auxiliary guiding head in the blood vessel cavity comprises a conical soft head at the front end and an L-shaped saccule, the conical soft head at the front end is provided with a hollow inner cavity, and the end part of the conical soft head at the front end is provided with an opening; the balloon connecting catheter body comprises an outer sheath on the outer wall and a hose inside, a balloon water injection catheter and a wire guide tube which penetrate through the hose are arranged in the hose, and the balloon connecting catheter body is connected with the L-shaped balloon;
the outer sheath of the balloon connecting catheter body is provided with a beveled outer sheath front end, and the front end of the outer sheath can be butted with a tapered soft head at the front end of the auxiliary guide head in the blood vessel cavity; the inner hose of the balloon connecting catheter body is connected to the front end conical soft head, and a wire guide tube in the hose penetrates through a hollow inner cavity of the front end conical soft head to an opening at the end part of the front end conical soft head; one end of the L-shaped saccule is communicated with a saccule water injection catheter in the hose, the other end of the L-shaped saccule is of a closed structure, and the L-shaped saccule at the front end of the outer sheath is connected with the hose through a membrane structure;
the back end of the balloon connecting catheter body is connected with a tail end operation part, the tail end operation part is provided with a guide wire inlet, a balloon injection device and a sheath tube flushing device, the guide wire inlet is connected with a guide wire tube in the hose, the balloon injection device is connected with a balloon water injection catheter in the hose, and the sheath tube flushing device is communicated with a cavity between an outer sheath of the balloon connecting catheter body and the hose.
Furthermore, the L-shaped saccule is made of soft materials, when the L-shaped saccule is emptied, the L-shaped saccule is in a corrugated shape, the conical soft head at the front end and the L-shaped saccule can be retracted into an outer sheath of the saccule connecting catheter body, and the front end of the outer sheath can be butted with the conical soft head at the front end of the auxiliary guide head in the blood vessel cavity; when the front-end conical soft head, the hose and the L-shaped saccule connected with the hose are drawn out from the outer sheath and water is injected into the L-shaped saccule through the saccule water injection catheter, the L-shaped saccule swells and is opened together with the membrane structure to form a fan-shaped structure.
Further, a guide wire is penetrated into the guide wire tube with the conical soft head at the front end, and the guide wire is used for guiding the instrument to advance in the vascular cavity.
Further, the membrane structure enables the L-shaped saccule to form a fan-shaped structure when the L-shaped saccule is filled with water and opened.
Further, a hemostatic valve is arranged at the tail end of the outer sheath of the balloon connecting catheter body, and the hemostatic valve can be opened or closed.
Furthermore, the outer side end of the balloon injection device and the outer side end of the sheath tube flushing device are both in a threaded butt joint structure.
Furthermore, the multifunctional multi-cavity balloon catheter is used in a large vessel stent operation.
Furthermore, the multifunctional multi-cavity balloon catheter is used for branch stent implantation operation of patients with abdominal aortic aneurysm.
Compared with the prior art, the invention has the beneficial effects that:
the multifunctional multi-cavity balloon catheter can help doctors to handle difficult and complex operations under specific situations, so that the success rate of the operation is improved, the operation time is reduced, and the device can be an effective tool in specific operation links such as a large vessel stent operation and a branch stent implantation operation of an abdominal aortic aneurysm patient.
Drawings
FIG. 1: the structure of the multifunctional multi-cavity balloon catheter is shown schematically.
FIG. 2: the structural schematic diagram of the auxiliary guide head in the blood vessel cavity.
FIG. 3: the balloon is connected with the structure of the catheter body.
FIG. 4: the structure of the end operation part is schematically shown.
In the figure: 1-auxiliary guide head in the blood vessel cavity, 2-balloon connecting catheter body, 3-terminal operation part, 4-conical soft head at the front end, 5-L-shaped balloon, 6-opening, 7-membrane structure, 8-sheath, 9-hose, 10-balloon water injection catheter, 11-guide wire tube, 12-guide wire inlet, 13-balloon injection device, 14-sheath tube flushing device and 15-hemostatic valve.
Detailed Description
The present invention will be described in further detail with reference to specific examples. The following examples are intended to illustrate the invention only and are not intended to limit the scope of the invention.
A multifunctional multi-cavity balloon catheter comprises an auxiliary guiding head 1 in a blood vessel cavity, a balloon connecting catheter body 2 and a tail end operating part 3;
the auxiliary guiding head 1 in the blood vessel cavity comprises a front end conical soft head 4 and an L-shaped saccule 5, wherein the front end conical soft head 4 is provided with a hollow inner cavity, and the end part of the front end conical soft head 4 is provided with an opening 6; the balloon connecting catheter body 2 comprises an outer sheath 8 on the outer wall and a hose 9 inside, a balloon water injection catheter 10 and a wire guide tube 11 which penetrate through the hose 9 are arranged in the hose 9, and the balloon connecting catheter body 2 is connected with the L-shaped balloon 5;
the outer sheath 8 of the balloon connecting catheter body 2 is provided with a beveled outer sheath front end, and the front end of the outer sheath can be butted with the tapered soft head 4 at the front end of the auxiliary guiding head 1 in the blood vessel cavity; the inner hose 9 of the balloon connecting catheter body 2 is connected to the front end conical soft head 4, and a wire guide tube 11 in the hose 9 penetrates through a hollow inner cavity of the front end conical soft head 4 to an end opening 6 of the front end conical soft head 4; one end of the L-shaped sacculus 5 is communicated with a sacculus water injection catheter 10 in the hose 9, the other end of the L-shaped sacculus 5 is of a closed structure, and the L-shaped sacculus 5 at the front end of the outer sheath is connected with the hose 9 through a membrane structure 7;
the rear end of the balloon connecting catheter body is connected with a tail end operating part 3, the tail end operating part 3 is provided with a guide wire inlet 12, a balloon injection device 13 and a sheath tube flushing device 14, the guide wire inlet 12 is connected with a guide wire tube 11 in a hose 9, the balloon injection device 13 is connected with a balloon water injection catheter 10 in the hose 9, and the sheath tube flushing device 14 is communicated with a cavity between an outer sheath 8 of the balloon connecting catheter body 2 and the hose 9.
The L-shaped saccule 5 is made of soft materials, when the L-shaped saccule 5 is evacuated, the shape of the L-shaped saccule is wrinkled, the front end conical soft head 4 and the L-shaped saccule 5 can be retracted into the outer sheath 8 of the saccule connecting catheter body 2, and the front end of the outer sheath 8 can be butted with the front end conical soft head 4 of the auxiliary guide head 1 in the blood vessel cavity; when the L-shaped sacculus 5 connected with the front-end conical soft head 4, the hose 9 and the hose 9 is drawn out from the outer sheath 8 and water is injected into the L-shaped sacculus 5 through the sacculus water injection catheter 10, the L-shaped sacculus 5 swells and is opened together with the membrane structure 7 to form a fan-shaped structure.
A guide wire is inserted into the guide wire tube 11 of the soft conical head 4 at the front end, and the guide wire is used for guiding the instrument to advance in the vascular cavity.
The membrane structure 7 enables the L-shaped balloon 5 to form a fan-shaped structure when being filled with water and opened.
The end of the outer sheath 8 of the balloon connecting catheter body 2 is provided with a hemostatic valve 15, and the hemostatic valve 15 can be opened or closed.
The outer side end of the balloon injection device 13 and the outer side end of the sheath tube flushing device 14 are both in a threaded butt joint structure.
The use method of the multifunctional multi-cavity balloon catheter comprises the following steps:
1. the multifunctional multi-cavity balloon catheter is used in a large vessel stent operation:
when two great vessel stents are butted, firstly releasing the great vessel stent at the far end, then moving the tapered soft head 4 at the front end of the multifunctional multi-cavity balloon catheter forwards along the guide wire and separating the L-shaped balloon 5 connected with the hose 9 and the balloon connecting catheter body 2, so that the L-shaped balloon 5 is completely separated from the outer sheath 8, the near-end naked frame of the great vessel stent at the far end is positioned between the balloon L and the aortic wall, at the moment, the L-shaped balloon 5 is bulged and opened together with the membrane structure 7 to form a fan-shaped structure, so that part of the naked frame of the great vessel stent at the far end is relatively isolated from the vessel cavity, at the moment, the great vessel stent at the near end is additionally placed by the artery guide wire and ascends along the guide wire, the great vessel stent at the near end can be vertically adjusted to a proper position in the aorta by being tightly attached to the inner side surface of the L-shaped balloon, and then released, thereby avoiding the possibility that the great vessel at the near end is mutually influenced with the naked frame of the great .
2. The multifunctional multi-cavity balloon catheter is used in branch stent implantation operation of patients with abdominal aortic aneurysm:
when a branch stent is implanted in an abdominal aortic aneurysm patient, a guide wire sometimes can not enter the main body stent smoothly, so that the operation time is prolonged greatly, at the moment, the guide wire can be placed into the brachial artery, the axillary artery, the subclavian artery and other parts to descend along the forward direction to enter the branch of the abdominal aortic main body stent to be implanted into the branch stent to be implanted, then the multifunctional multi-cavity balloon catheter is descended into the corresponding branch of the main body stent along the guide wire, the L-shaped balloon 5 connected with the conical soft head 4 at the front end of the multifunctional multi-cavity balloon catheter, the hose 9 and the hose 9 moves forward along the guide wire and is separated from the balloon connecting catheter body 2, so that the L-shaped balloon 5 is completely separated from the outer sheath 8, at the moment, the L-shaped balloon 5 is bulged and is opened together with the membrane structure 7 to form a fan-shaped structure, so that two relatively independent spaces are formed in the local space in an aneurysm body, at the moment, the, because the local space in the aneurysm is relatively independent and the fan-shaped barrier formed by the saccule is connected with the branch of the main body bracket to be implanted, the guide wire can easily enter the branch of the main body bracket.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention in any way, and any person skilled in the art can make any simple modification, equivalent replacement, and improvement on the above embodiment without departing from the technical spirit of the present invention, and still fall within the protection scope of the technical solution of the present invention.
Claims (8)
1. A multi-functional multicavity sacculus pipe which characterized in that: comprises a blood vessel cavity auxiliary guide head, a balloon connecting catheter body and a tail end operation part;
the auxiliary guiding head in the blood vessel cavity comprises a conical soft head at the front end and an L-shaped saccule, the conical soft head at the front end is provided with a hollow inner cavity, and the end part of the conical soft head at the front end is provided with an opening; the balloon connecting catheter body comprises an outer sheath on the outer wall and a hose inside, a balloon water injection catheter and a wire guide tube which penetrate through the hose are arranged in the hose, and the balloon connecting catheter body is connected with the L-shaped balloon;
the outer sheath of the balloon connecting catheter body is provided with a beveled outer sheath front end, and the front end of the outer sheath can be butted with a tapered soft head at the front end of the auxiliary guide head in the blood vessel cavity; the inner hose of the balloon connecting catheter body is connected to the front end conical soft head, and a wire guide tube in the hose penetrates through a hollow inner cavity of the front end conical soft head to an opening at the end part of the front end conical soft head; one end of the L-shaped saccule is communicated with a saccule water injection catheter in the hose, the other end of the L-shaped saccule is of a closed structure, and the L-shaped saccule at the front end of the outer sheath is connected with the hose through a membrane structure;
the back end of the balloon connecting catheter body is connected with a tail end operation part, the tail end operation part is provided with a guide wire inlet, a balloon injection device and a sheath tube flushing device, the guide wire inlet is connected with a guide wire tube in the hose, the balloon injection device is connected with a balloon water injection catheter in the hose, and the sheath tube flushing device is communicated with a cavity between an outer sheath of the balloon connecting catheter body and the hose.
2. The multi-functional multi-lumen balloon catheter according to claim 1, wherein: the L-shaped saccule is made of soft materials, when the L-shaped saccule is emptied, the L-shaped saccule is in a fold shape, the conical soft head at the front end and the L-shaped saccule can be retracted into an outer sheath of the saccule connecting catheter body, and the front end of the outer sheath can be butted with the conical soft head at the front end of the auxiliary guide head in the blood vessel cavity; when the front-end conical soft head, the hose and the L-shaped saccule connected with the hose are drawn out from the outer sheath and water is injected into the L-shaped saccule through the saccule water injection catheter, the L-shaped saccule swells and is opened together with the membrane structure to form a fan-shaped structure.
3. The multi-functional multi-lumen balloon catheter according to claim 1, wherein: and a guide wire is penetrated into the guide wire tube with the conical soft head at the front end and is used for guiding the instrument to advance in the vascular cavity.
4. The multi-functional multi-lumen balloon catheter according to claim 1, wherein: the membrane structure enables the L-shaped saccule to form a fan-shaped structure when the L-shaped saccule is filled with water and opened.
5. The multi-functional multi-lumen balloon catheter according to claim 1, wherein: the tail end of the outer sheath of the balloon connecting catheter body is provided with a hemostatic valve which can be opened or closed.
6. The multi-functional multi-lumen balloon catheter according to claim 1, wherein: the outer side end of the balloon injection device and the outer side end of the sheath tube flushing device are both in a threaded butt joint structure.
7. The multi-functional multi-lumen balloon catheter according to claim 1, wherein: the multifunctional multi-cavity balloon catheter is used in a large vessel stent operation.
8. The multi-functional multi-lumen balloon catheter according to claim 1, wherein: the multifunctional multi-cavity balloon catheter is used for branch stent implantation operation of patients with abdominal aortic aneurysm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022019570.9U CN212522676U (en) | 2020-09-16 | 2020-09-16 | Multifunctional multi-cavity balloon catheter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022019570.9U CN212522676U (en) | 2020-09-16 | 2020-09-16 | Multifunctional multi-cavity balloon catheter |
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| Publication Number | Publication Date |
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| CN212522676U true CN212522676U (en) | 2021-02-12 |
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| CN202022019570.9U Active CN212522676U (en) | 2020-09-16 | 2020-09-16 | Multifunctional multi-cavity balloon catheter |
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