Arterial administration cutting balloon catheter

Abstract

The utility model discloses an arterial administration cutting balloon catheter, which relates to the technical field of cutting balloon catheters and comprises a balloon body, a pushing catheter and a catheter connecting seat, two ends of the pushing catheter are respectively and fixedly communicated with the balloon body and the catheter connecting seat, and an expansion mechanism is arranged in the pushing catheter. The dilation mechanism comprises a segmentation tube, the surface of the balloon body is provided with drug delivery mechanisms which are arranged circumferentially, each drug delivery mechanism comprises a cutting knife, a drug delivery cavity and a connecting catheter, the balloon catheter is cut through artery drug delivery, the balloon body is pushed to an operation position by pushing the catheter, and the balloon body is pushed to an operation position by pushing the catheter through a catheter connecting seat. Various external devices are communicated with the pushing catheter, the pushing catheter is divided into two parts through the dividing tube, and then the balloon body can be expanded conveniently, vascular lesion plaques are cut and removed through the cutting knife, medicine is conveyed to the surface of the cutting knife through the connecting catheter, medicine is fed to the cutting position in real time, and the medicine feeding accuracy is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cutting balloon catheter technical field, concretely is a kind of artery administration cutting balloon catheter. BACKGROUND

[0002] Cutting balloon catheter is an advanced interventional therapeutic instrument, mainly by high-pressure expansion balloon, catheter, protection umbrella and other parts are composed of. It can be used to dilate arterial stenosis site, so as to achieve the effect of treating diseases, if the degree of vascular stenosis is more serious, cutting balloon catheter can be used under the guidance of doctor to treat, can effectively improve vascular stenosis, so as to achieve the purpose of treatment.

[0003] In the utility model with patent No. CN219501804U relates to a kind of cutting balloon catheter, it includes catheter, balloon, spiral guide rail, cutting piece and adjusting piece, catheter is equipped with the first cavity for guide wire and the second cavity for gas or liquid, balloon is sleeved in the outer periphery of catheter far end, balloon interior is communicated with the second cavity, spiral guide rail is attached and wound in the outside of balloon, cutting piece is slidably connected on spiral guide rail, cutting piece is cut vascular lesion plaque while sliding along spiral guide rail.

[0004] In order to treat vascular occlusion and other diseases, high complexity vascular stent or using balloon catheter to dredge blood vessel, the balloon catheter in the above patent, although it can clean vascular hardening plaque, but it is difficult to accurately and on time drug operation to surgical vessel;Therefore, we provide artery administration cutting balloon catheter to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of artery administration cutting balloon catheter to solve the problems in prior art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of artery administration cutting balloon catheter, including balloon body, push catheter and catheter connecting seat, and the two ends of push catheter are fixedly communicated with balloon body and catheter connecting seat, the inside of push catheter is provided with expansion mechanism, the expansion mechanism includes split pipe, the surface of balloon body is provided with circumferential arrangement of administration mechanism, the administration mechanism includes cutting knife, administration cavity and connecting catheter.

[0007] Preferably, the middle part of push catheter is provided with expansion cavity, and split pipe is located inside expansion cavity, the middle part of balloon body is fixedly communicated with guide wire, and split pipe is fixedly communicated with guide wire, by expansion cavity, outside air or liquid is transported to the inside of balloon body, improve the efficiency of balloon body expansion.

[0008] Preferably, the inside of the split pipe is provided with a communication pipe, the surface of the catheter connecting seat is fixedly communicated with an expansion connecting port, and the expansion connecting port is fixedly communicated with an expansion cavity, the middle part of the catheter connecting seat is provided with a main connecting port communicated with the communication pipe, the communication pipe is isolated from the expansion cavity through the split pipe, and the main connecting port is communicated with the guide wire through the communication pipe.

[0009] Preferably, the inside of the push catheter is provided with a medicine distribution ring and a medicine delivery pipe, one end of the medicine delivery pipe is fixedly communicated with the medicine distribution ring, and one end of the connecting catheter is fixedly communicated with the medicine distribution ring, the medicine is delivered to the inside of the medicine distribution ring through the medicine delivery pipe, and is evenly distributed to the connecting catheter through the medicine distribution ring.

[0010] Preferably, the surface of the catheter connecting seat is fixedly communicated with a medicine delivery connecting port, and the other end of the medicine delivery pipe is fixedly communicated with the medicine delivery connecting port, the medicine is delivered to the inside of the medicine delivery pipe through the medicine delivery connecting port and the external equipment.

[0011] Preferably, the middle part of the cutting knife is provided with a medicine distribution pipe, and the other end of the connecting catheter is fixedly communicated with the medicine distribution pipe, and the medicine is delivered to the inside of the medicine distribution pipe through the connecting catheter.

[0012] Preferably, the surface of the cutting knife is provided with a knife groove, the surface of the knife groove is provided with a plurality of medicine cavities arranged at equal intervals, and the bottom end of the medicine cavity is fixedly communicated with the medicine distribution pipe, so that the blood vessel lesion plaque is cut more finely through the knife groove, and the blood vessel lesion plaque cutting efficiency is improved.

[0013] Preferably, the surface of the split pipe is fixedly connected with two groups of imaging rings, and the imaging rings are located on both sides of the cutting knife, the position of the balloon body is displayed through the imaging rings, and the stability and accuracy of the operation are improved.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The balloon body is pushed to the working position through the push catheter, various external equipment is communicated with the push catheter through the catheter connecting seat, the push catheter is divided into two parts through the split pipe, then the balloon body is conveniently expanded, the blood vessel lesion plaque is cut and removed through the cutting knife, the blood vessel lesion treatment efficiency is improved, the medicine is delivered to the surface of the cutting knife through the connecting catheter, the medicine is delivered to the surface of the cutting knife in real time, and the precision of the medicine delivery is improved.

[0016] 2、The application transports external air or liquid into the balloon body through the expansion cavity, improves the expansion efficiency of the balloon body, separates the communication pipe from the expansion cavity through the split pipe, communicates the main connecting port with the guide wire through the communication pipe, improves the stability of the device connection, connects the external equipment with the drug administration connecting port, transports external medicine into the drug administration pipe, transports the medicine into the medicine distribution ring through the drug administration pipe, and uniformly distributes the medicine to the connecting catheter through the medicine distribution ring.

[0017] 3、The application transports the medicine into the medicine distribution pipe through the connecting catheter, cuts the vascular lesion plaque more finely through the knife slot, improves the cutting efficiency of the vascular lesion plaque, uniformly disperses the medicine transported by the medicine distribution pipe at the cutting position through the drug administration cavity, and then accurately administers the medicine to the operation position, displays the position of the balloon body through the imaging ring, and improves the stability and accuracy of the operation. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the arterial drug administration cutting balloon catheter.

[0019] Figure 2 It is an internal structure schematic view of the balloon body of the arterial drug administration cutting balloon catheter.

[0020] Figure 3 It is a cross-sectional structure schematic view of the pushing catheter of the arterial drug administration cutting balloon catheter.

[0021] Figure 4 It is a structure schematic view of the cutting knife of the arterial drug administration cutting balloon catheter.

[0022] Reference signs in the drawings: 1, balloon body; 2, guide wire; 3, pushing catheter; 4, catheter connecting seat; 5, main connecting port; 6, expansion mechanism; 601, expansion connecting port; 602, split pipe; 603, communication pipe; 604, expansion cavity; 7, drug administration mechanism; 701, cutting knife; 702, knife slot; 703, drug administration cavity; 704, medicine distribution pipe; 705, connecting catheter; 706, medicine distribution ring; 707, drug administration pipe; 708, drug administration connecting port; 709, imaging ring. DETAILED DESCRIPTION

[0023] 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. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] AsFigure 1 Figure 4 As shown in the utility model provides a kind of artery administration cutting balloon catheter technical scheme, including balloon body 1, push catheter 3 and catheter connecting seat 4, and the two ends of push catheter 3 are fixedly communicated with balloon body 1 and catheter connecting seat 4, expansion mechanism 6 is provided in the inside of push catheter 3, expansion mechanism 6 includes split pipe 602, push balloon body 1 to operating position by push catheter 3, various external devices are communicated with push catheter 3 by catheter connecting seat 4, push catheter 3 is divided into two parts by split pipe 602, and then balloon body 1 is conveniently expanded.

[0025] Expansion cavity 604 is arranged in the middle of push catheter 3, and split pipe 602 is located in the inside of expansion cavity 604, and guide wire 2 is fixedly communicated with the middle of balloon body 1, and split pipe 602 is fixedly communicated with guide wire 2, air or liquid is transported to the inside of balloon body 1 by expansion cavity 604, and the efficiency of balloon body 1 expansion is improved.

[0026] Communication pipe 603 is arranged in the inside of split pipe 602, expansion connecting port 601 is fixedly communicated on the surface of catheter connecting seat 4, and expansion connecting port 601 is fixedly communicated with expansion cavity 604, main connecting port 5 is arranged in the middle of catheter connecting seat 4 and communicated with communication pipe 603, liquid or air is transported to the inside of expansion cavity 604 by expansion connecting port 601, communication pipe 603 is isolated from expansion cavity 604 by split pipe 602, main connecting port 5 is communicated with guide wire 2 by communication pipe 603, and the stability of device connection is improved.

[0027] Balloon body 1 is provided with circumferentially arranged administration mechanism 7 on the surface, administration mechanism 7 includes cutting knife 701, administration cavity 703 and connecting catheter 705, cutting knife 701 is arc-shaped, cutting knife 701 is used for cutting and removing vascular lesion plaque, and the treatment efficiency of vascular lesion is improved, drug is transported to the surface of cutting knife 701 by connecting catheter 705, real-time administration is carried out on cutting position, and the accuracy of administration is improved.

[0028] Administration connecting port 708 is fixedly communicated on the surface of catheter connecting seat 4, and the other end of administration catheter 707 is fixedly communicated with administration connecting port 708, external equipment is connected by administration connecting port 708, and external drug is transported to the inside of administration catheter 707.

[0029] Medicine distribution pipe 704 is arranged in the middle of cutting knife 701, and the other end of connecting catheter 705 is fixedly communicated with medicine distribution pipe 704, drug is transported to the inside of medicine distribution pipe 704 by connecting catheter 705.

[0030] ​The inside of the push catheter 3 is provided with a medicine distribution ring 706 and a medicine delivery tube 707, one end of the medicine delivery tube 707 is fixedly communicated with the medicine distribution ring 706, one end of the connecting catheter 705 is fixedly communicated with the medicine distribution ring 706, the medicine delivered by the medicine delivery tube 707 is delivered to the inside of the medicine distribution ring 706, and is evenly distributed to the connecting catheter 705 through the medicine distribution ring 706.

[0031] The surface of the cutting knife 701 is provided with a knife groove 702, the surface of the knife groove 702 is provided with equidistantly arranged medicine cavities 703, the bottom end of the medicine cavity 703 is fixedly communicated with a medicine distribution tube 704, the blood vessel lesion plaque is cut more finely through the knife groove 702, the cutting efficiency of the blood vessel lesion plaque is improved, the medicine delivered by the medicine distribution tube 704 is evenly distributed at the cutting position through the medicine cavity 703, and then precise medicine is given to the operation position.

[0032] The surface of the segmentation tube 602 is fixedly connected with two groups of imaging rings 709, and the imaging rings 709 are located on the two sides of the cutting knife 701, the position of the balloon body 1 is displayed through the imaging ring 709, the positions of the balloon body 1 and the cutting knife 701 are observed conveniently, and the stability and accuracy of the operation are improved.

[0033] In use, the main connecting port 5, the expansion connecting port 601 and the medicine delivery connecting port 708 are connected with corresponding equipment first, the balloon body 1 is pushed to the operation position through the push catheter 3, liquid or air is delivered to the inside of the balloon body 1 through the expansion connecting port 601 and the expansion cavity 604, the balloon body 1 is inflated, the cutting knife 701 cuts and removes the blood vessel lesion plaque by pulling the push catheter 3, and the medicine is delivered to the inside of the medicine delivery tube 707 through the medicine delivery connecting port 708, and the medicine is delivered to the cutting position through the medicine distribution ring 706, the connecting catheter 705, the medicine distribution tube 704 and the medicine cavity 703 in turn, and the cutting position is given medicine, through the above device, the lesion position can be given medicine while cutting the blood vessel lesion plaque, the difficulty of medicine delivery is reduced, and the accuracy of medicine delivery is improved.

[0034] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as exemplary and not restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

Claims

1. An arterial administration cutting balloon catheter, comprising a balloon body (1), a push catheter (3) and a catheter connecting seat (4), and the two ends of the push catheter (3) are fixedly communicated with the balloon body (1) and the catheter connecting seat (4) respectively, characterized in that: The inside of the push catheter (3) is provided with an expansion mechanism (6), the expansion mechanism (6) comprises a segmentation pipe (602), the surface of the balloon body (1) is provided with a circumferentially arranged drug delivery mechanism (7), the drug delivery mechanism (7) comprises a cutting knife (701), a drug delivery cavity (703) and a connecting catheter (705). ​ 2. An atherectomy cutting balloon catheter according to claim 1, wherein: The middle part of the push catheter (3) is provided with an expansion cavity (604), and the segmentation pipe (602) is located in the inside of the expansion cavity (604), the middle part of the balloon body (1) is fixedly communicated with a guide wire (2), and the segmentation pipe (602) is fixedly communicated with the guide wire (2).

3. An atherectomy cutting balloon catheter according to claim 2, wherein: The inside of the segmentation pipe (602) is provided with a communication pipe (603), the surface of the catheter connecting seat (4) is fixedly communicated with an expansion connecting port (601), and the expansion connecting port (601) is fixedly communicated with the expansion cavity (604), the middle part of the catheter connecting seat (4) is provided with a main connecting port (5) communicated with the communication pipe (603).

4. The cutting balloon catheter of claim 1, wherein: The inside of the push catheter (3) is provided with a drug distribution ring (706) and a drug delivery pipe (707), one end of the drug delivery pipe (707) is fixedly communicated with the drug distribution ring (706), and one end of the connecting catheter (705) is fixedly communicated with the drug distribution ring (706).

5. An atherectomy cutting balloon catheter according to claim 4, wherein: The surface of the catheter connecting seat (4) is fixedly communicated with a drug delivery connecting port (708), and the other end of the drug delivery pipe (707) is fixedly communicated with the drug delivery connecting port (708).

6. An atherectomy cutting balloon catheter according to claim 1, wherein: The middle part of the cutting knife (701) is provided with a drug distribution pipe (704), and the other end of the connecting catheter (705) is fixedly communicated with the drug distribution pipe (704).

7. An atherectomy cutting balloon catheter according to claim 6, wherein: The surface of the cutting knife (701) is provided with a knife groove (702), the surface of the knife groove (702) is provided with a plurality of equidistantly arranged drug delivery cavities (703), and the bottom end of the drug delivery cavity (703) is fixedly communicated with the drug distribution pipe (704).

8. The cutting balloon catheter of claim 1, wherein: The surface of the segmentation pipe (602) is fixedly connected with two groups of imaging rings (709), and the imaging rings (709) are located on the two sides of the cutting knife (701).

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