CN219680863U - Sheath tube assembly and guide wire sheath tube device used in interventional operation - Google Patents
Sheath tube assembly and guide wire sheath tube device used in interventional operation Download PDFInfo
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- CN219680863U CN219680863U CN202321053704.6U CN202321053704U CN219680863U CN 219680863 U CN219680863 U CN 219680863U CN 202321053704 U CN202321053704 U CN 202321053704U CN 219680863 U CN219680863 U CN 219680863U
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- guide wire
- sheath tube
- sheath
- wire
- conveyor
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- 210000004165 myocardium Anatomy 0.000 claims abstract description 13
- 230000033001 locomotion Effects 0.000 claims abstract description 4
- 238000013152 interventional procedure Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 5
- -1 polytetrafluoroethylene Polymers 0.000 claims description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 4
- 239000004800 polyvinyl chloride Substances 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 10
- 210000005240 left ventricle Anatomy 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 9
- 210000004204 blood vessel Anatomy 0.000 description 3
- 210000001765 aortic valve Anatomy 0.000 description 2
- 230000000747 cardiac effect Effects 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 210000001105 femoral artery Anatomy 0.000 description 2
- 238000002594 fluoroscopy Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 208000024891 symptom Diseases 0.000 description 2
- 208000003017 Aortic Valve Stenosis Diseases 0.000 description 1
- 206010008479 Chest Pain Diseases 0.000 description 1
- 208000000059 Dyspnea Diseases 0.000 description 1
- 206010013975 Dyspnoeas Diseases 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 206010002906 aortic stenosis Diseases 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 208000027744 congestion Diseases 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 206010016256 fatigue Diseases 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000010837 poor prognosis Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 208000013220 shortness of breath Diseases 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 206010042772 syncope Diseases 0.000 description 1
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Abstract
The utility model provides a wire sheath tube device used in interventional operation, which comprises: the conveyer catheter is used for installing a prosthetic valve and can be sleeved on the guide wire; a conveyor operating handle for controlling the conveyor conduit to perform linear, curved and rotational movements; the sheath tube assembly includes: the guide wire sheath tube is provided with a cavity for the guide wire to pass through, the cross section of the guide wire sheath tube is elliptical or elliptical-like, and the guide wire sheath tube is flexible and tough, so that the guide wire sheath tube is sleeved on the guide wire to protect cardiac muscle; a traction wire. In the utility model, because the guide wire sheath tube in the sheath tube assembly can be sleeved on the guide wire, and the guide wire sheath tube is the guide wire sheath tube with flexibility and toughness, a doctor can control the guide wire sheath tube to move along the guide wire through the conveyor, so that the guide wire sheath tube can move to the outside of the guide wire in the left ventricle of a patient, and the guide wire can be prevented from cutting cardiac muscle of the patient in the operation process.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a sheath tube assembly and a wire guiding sheath tube device used in interventional operations.
Background
With the exploration of heart intervention operation, the catheter valve replacement operation is used as a minimally invasive heart operation, and can help to treat valve opening and closing problems caused by valve diseases or retrogressions, so that the signs and symptoms caused by the valve problems, such as symptoms of circulatory congestion, chest pain, shortness of breath, syncope, fatigue and the like, are reduced. And the wound is small, the recovery is quick, and the like, so that the utility model is applicable to a wider range of people. Therefore, the transcatheter valve replacement operation becomes a better choice for a plurality of operation patients, and the technology can continuously expand the application range in the future, thereby having broad application prospect.
Taking an aortic valve stenosis patient as an example, when performing a transcatheter valve replacement operation, a doctor first needs to puncture a blood vessel at a puncture site of the patient by a puncture needle. The physician then advances the guide wire from the puncture into the femoral artery of the patient and controls the movement of the guide wire along the patient's blood vessel, eventually leading the guide wire through the aortic valve to the left ventricle as a guide marker for subsequent steps. Next, the physician expands the valve using the balloon, and after the human valve has been expanded, the physician sleeves the catheter with the prosthetic valve mounted thereto over the guidewire. Then, the doctor continues to move the conveyer catheter with the artificial valve along the guide wire through the conveyer operation handle until the artificial valve reaches the position of the human valve, and the doctor deploys and fixes the artificial valve, so that the function of the human valve is replaced. Finally, the doctor takes out the conveyor catheter and the guide wire from the patient, and wraps the puncture of the patient, thereby completing a transcatheter valve replacement operation. Wherein, the catheter valve replacement operation is carried out under the radioscopy, thereby preventing the situation that the surgical instrument cannot move or puncture the blood vessel of the patient in the operation process.
Fig. 5 is a schematic view showing a state of crimping after a guide wire enters the heart in a conventional cardiac intervention operation.
As shown in fig. 5, in the transcatheter valve replacement operation, when a doctor removes an outer sheath, a guide wire positioned in a left ventricle of a patient may be curled or bent, resulting in cutting of cardiac muscle of the patient by the guide wire during the operation, and even in severe cases, the heart of the patient may be ruptured by the guide wire, thereby directly or indirectly causing poor prognosis of the patient, thus having a limitation.
Disclosure of Invention
The present utility model has been made to solve the above-described problems, and an object of the present utility model is to provide a sheath assembly and a guidewire sheath device for use in interventional surgery.
The present utility model provides a sheath assembly for use in interventional procedures, having the features that include: the guide wire sheath tube is provided with a cavity for the guide wire to pass through, the cross section of the guide wire sheath tube is elliptical or elliptical-like, and the guide wire sheath tube is flexible and tough, so that the guide wire sheath tube is sleeved on the guide wire to protect cardiac muscle; and the traction wire is connected with one end of the wire guiding sheath tube and is used for driving the wire guiding sheath tube to move.
In the sheath tube assembly for interventional procedures provided by the present utility model, it may further have the feature that: a plurality of traction wires are arranged at one end of the wire guiding sheath tube, and the traction wires are distributed at one end of the wire guiding sheath tube along the circumferential direction.
In the sheath tube assembly for interventional procedures provided by the present utility model, it may further have the feature that: the inner diameter minor axis of the guide wire sheath tube is 2mm, and the inner diameter major axis is 5mm.
In the sheath tube assembly for interventional procedures provided by the present utility model, it may further have the feature that: the length of the guide wire sheath tube is 15 cm-20 cm.
In the sheath tube assembly for interventional procedures provided by the present utility model, it may further have the feature that: the length of the traction wire is 80 cm-240 cm.
In the sheath tube assembly for interventional procedures provided by the present utility model, it may further have the feature that: the material of the guide wire sheath tube and the traction wire is polytetrafluoroethylene or polyvinyl chloride.
The utility model also provides a guide wire sheath device used in interventional operations, which has the characteristics that: any of the above-described sheath assemblies are used in interventional procedures.
In the guide wire sheath device for interventional operation provided by the utility model, the guide wire sheath device can also have the following characteristics: also comprises a guide wire; the device comprises a conveyor, wherein the conveyor comprises a conveyor catheter and a conveyor operating handle, the conveyor catheter is used for installing a prosthetic valve, the conveyor operating handle is used for controlling the conveyor catheter to conduct linear, bending and rotating motions and is used for controlling release of the prosthetic valve and adjusting the position of the prosthetic valve.
Effects and effects of the utility model
According to the wire sheath device for interventional operation, the wire sheath tube in the sheath tube assembly can be sleeved on the guide wire, and the wire sheath tube is the wire sheath tube with flexibility and toughness, so that a doctor can sleeve the wire sheath tube on the guide wire after the super-hard guide wire is placed after performing the transcatheter valve replacement operation. And then, a doctor can control the guide wire sheath tube to move along the guide wire through the feeding conveyor, so that the guide wire sheath tube can move to the outside of the guide wire in the left ventricle of the patient, thereby preventing the guide wire from cutting the cardiac muscle of the patient in the operation process, and further protecting the cardiac muscle of the patient in the operation process. Because the traction wire in the sheath tube assembly can drive the guide wire sheath tube to move, after the catheter valve replacement operation, a doctor can take out the guide wire and the guide wire sheath tube together through the traction wire, so that the practical effect of the utility model is ensured.
Drawings
FIG. 1 is a schematic view of a sheath assembly in an embodiment of the utility model;
FIG. 2 is a schematic illustration of the delivery catheter after pushing the sheath assembly into the ventricle in an embodiment of the utility model;
FIG. 3 is a schematic view of a configuration of a delivery catheter pushing a sheath assembly to the end of a guidewire in an embodiment of the utility model;
FIG. 4 is a schematic view of the overall structure of the conveyor in an embodiment of the utility model;
fig. 5 is a schematic view showing a state of crimping after a guide wire enters the heart in a conventional cardiac intervention operation.
100. A guidewire sheath device; 10. a sheath assembly; 11. a guidewire sheath; 12. a traction wire; 20. a guide wire; 30. a conveyor operating handle; 40. a conveyor conduit.
Detailed Description
In order to make the technical means, the creation features, the achievement of the purpose and the effect of the present utility model easy to understand, the present utility model is specifically described below with reference to the accompanying drawings.
Examples
Fig. 1 is a schematic view of a sheath assembly according to the present utility model, fig. 2 is a schematic view of a delivery catheter according to the present utility model after pushing the sheath assembly into a ventricle, fig. 3 is a schematic view of a delivery catheter according to the present utility model after pushing the sheath assembly to the distal end of a guide wire, and fig. 4 is a schematic view of the entire delivery catheter according to the present utility model.
As shown in fig. 1 to 4, the present embodiment provides a guidewire sheath apparatus 100 including a sheath assembly 10, a guidewire 20, a conveyor operating handle 30, and a conveyor catheter 40 for use in interventional procedures.
As shown in fig. 1, 2 and 3, the sheath tube assembly 10 for interventional operation comprises a wire sheath tube 11 with a cavity through which a guide wire 20 passes, wherein the cross section of the wire sheath tube 11 is elliptical or quasi-elliptical, and the wire sheath tube 11 is a flexible and tough wire sheath tube 11, so as to be sleeved on the guide wire 20 to protect cardiac muscle; the traction wire 12 is connected with one end of the wire guiding sheath tube 11 and is used for driving the wire guiding sheath tube 11 to move. In this case, even after the guide wire sheath 11 is fitted over the guide wire 20, the guide wire 20 can be seen therein under fluoroscopy. Similarly, the guide wire 20 within the delivery catheter 40 can be seen as the delivery catheter 40 is moved along the guide wire 20 within the patient under fluoroscopy.
Specifically, the guide wire sheath 11 has an inner diameter minor axis of 2mm and an inner diameter major axis of 5mm. In this embodiment, the inner diameter major and minor axes of the guidewire sheath 11 can be adaptively adjusted according to the diameters of the guidewire 20 and the delivery catheter 40 used in the operation.
Specifically, the length of the guide wire sheath tube 11 is 15cm to 20cm, and the length of the traction wire 12 is 80cm to 240cm. In this embodiment, the length of the guide wire sheath 11 plus the length of the pull wire 12 is equal to or greater than the length of the guide wire 20 used in the operation, thereby ensuring the practical effect of the sheath assembly 10 of the present utility model in use.
In this embodiment, the material of the guide wire sheath 11 and the traction wire 12 is polytetrafluoroethylene or polyvinyl chloride. The guide wire sheath 11 can also be made of polyethylene or polyurethane material, among other things. The guide wire sheath 11 is provided with a protective effect after being sleeved outside the guide wire 20, thereby preventing the guide wire 20 from cutting the cardiac muscle of the patient during the operation.
When performing a transconveyer catheter 40 valve replacement procedure using the guidewire sheath apparatus 100 of the present utility model, the procedure first begins exactly as it would normally be performed with the transconveyer catheter 40 valve replacement procedure, i.e., the physician first needs to puncture the vessel at the patient's puncture site with the puncture needle. The physician then advances the guide wire 20 for guiding from the puncture into the femoral artery of the patient and controls the guide wire 20 to finally pass through the aortic valve to the left ventricle. The guide wire 20 performs the guiding work of the subsequent steps.
The physician then first places the guidewire sheath 11 over the guidewire 20 and places the post-placed delivery catheter 40 against the guidewire sheath 11. The guide wire sheath 11 is then moved along the guide wire 20 by feeding the delivery device, and after the guide wire sheath 11 is moved outside the guide wire 20 in the left ventricle of the patient and the delivery device catheter reaches the position of the human valve, the physician stops feeding the delivery device and then deploys the prosthetic valve. Finally, the physician withdraws the delivery device from the body and removes the guidewire 20 from the patient, while simultaneously removing the guidewire sheath 11 through the pull wire 12. When the surgical instrument is completely taken out, the puncture of the patient is wrapped, so that the transcatheter valve replacement operation is completed.
Effects and effects of the examples
According to the wire sheath device for interventional operation according to the present embodiment, since the wire sheath in the sheath assembly can be sleeved on the guide wire and the wire sheath is a flexible and tough wire sheath, when performing transcatheter valve replacement operation, after placing the ultra-hard guide wire, the physician can sleeve the wire sheath on the guide wire. And then, a doctor can control the guide wire sheath tube to move along the guide wire through the feeding conveyor, so that the guide wire sheath tube can move to the outside of the guide wire in the left ventricle of the patient, thereby preventing the guide wire from cutting the cardiac muscle of the patient in the operation process, and further protecting the cardiac muscle of the patient in the operation process. Because the traction wire in the sheath tube assembly can drive the guide wire sheath tube to move, after the catheter valve replacement operation, a doctor can take out the guide wire and the guide wire sheath tube together through the traction wire, so that the practical effect of the utility model is ensured.
Further, since the length of the guide wire sheath tube and the length of the traction wire in the sheath tube assembly used in the interventional operation are equal to or greater than the length of the guide wire used in the operation, the practical effect of the sheath tube assembly in the utility model in use is ensured.
Furthermore, because the materials of the guide wire sheath tube and the traction wire in the sheath tube assembly used in the interventional operation are polytetrafluoroethylene or polyvinyl chloride, the guide wire sheath tube can play a protective role after being sleeved outside the guide wire, thereby preventing the guide wire from cutting cardiac muscle of a patient in the operation process.
The above embodiments are preferred examples of the present utility model, and are not intended to limit the scope of the present utility model.
Claims (8)
1. A sheath-tube assembly for use in interventional procedures to prevent damage to the myocardium by an intraoperative guidewire, comprising:
the guide wire sheath tube is provided with a cavity for the guide wire to pass through, the cross section of the guide wire sheath tube is elliptical or elliptical-like, and the guide wire sheath tube is a flexible and tough guide wire sheath tube, so that the guide wire sheath tube is sleeved on the guide wire and is used for protecting cardiac muscle;
and the traction wire is connected with one end of the wire guiding sheath tube and is used for driving the wire guiding sheath tube to move.
2. The sheath assembly for use in interventional procedures of claim 1, wherein:
wherein, be equipped with many on the one end of seal wire sheath pipe the haulage wire, and many the haulage wire is along circumference distribution locating on the one end of seal wire sheath pipe.
3. The sheath assembly for use in interventional procedures of claim 1, wherein:
wherein, the inside diameter minor axis of seal wire sheath pipe is 2mm, and the inside diameter major axis is 5mm.
4. The sheath assembly for use in interventional procedures of claim 1, wherein:
wherein the length of the wire guiding sheath tube is 15 cm-20 cm.
5. The sheath assembly for use in interventional procedures of claim 1, wherein:
wherein the length of the traction wire is 80 cm-240 cm.
6. The sheath assembly for use in interventional procedures of claim 1, wherein:
wherein, the material of the guide wire sheath tube and the traction wire is polytetrafluoroethylene or polyvinyl chloride.
7. A guidewire sheath apparatus for use in interventional procedures, comprising: comprising a sheath assembly according to any one of claims 1 to 6 for use in interventional procedures.
8. The guidewire sheath apparatus for use in interventional procedures of claim 7, further comprising:
a guide wire;
the device comprises a conveyor, wherein the conveyor comprises a conveyor catheter and a conveyor operating handle, the conveyor catheter is used for installing a prosthetic valve, and the conveyor operating handle is used for controlling the conveyor catheter to conduct linear, bending and rotating motions and controlling release of the prosthetic valve and adjusting the position of the prosthetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321053704.6U CN219680863U (en) | 2023-05-05 | 2023-05-05 | Sheath tube assembly and guide wire sheath tube device used in interventional operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321053704.6U CN219680863U (en) | 2023-05-05 | 2023-05-05 | Sheath tube assembly and guide wire sheath tube device used in interventional operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219680863U true CN219680863U (en) | 2023-09-15 |
Family
ID=87938244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321053704.6U Active CN219680863U (en) | 2023-05-05 | 2023-05-05 | Sheath tube assembly and guide wire sheath tube device used in interventional operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219680863U (en) |
-
2023
- 2023-05-05 CN CN202321053704.6U patent/CN219680863U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |