CN215608662U - Auxiliary tool for guide wire penetrating operation - Google Patents
Auxiliary tool for guide wire penetrating operation Download PDFInfo
- Publication number
- CN215608662U CN215608662U CN202121869947.8U CN202121869947U CN215608662U CN 215608662 U CN215608662 U CN 215608662U CN 202121869947 U CN202121869947 U CN 202121869947U CN 215608662 U CN215608662 U CN 215608662U
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- Prior art keywords
- guide wire
- catching
- pulling
- conveying device
- outlet
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- 230000000149 penetrating effect Effects 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 claims description 12
- 210000004204 blood vessel Anatomy 0.000 claims description 11
- 230000000452 restraining effect Effects 0.000 claims description 9
- 230000005855 radiation Effects 0.000 abstract description 3
- 210000003462 vein Anatomy 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 210000001715 carotid artery Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000013152 interventional procedure Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011378 penetrating method Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 208000011580 syndromic disease Diseases 0.000 description 1
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Abstract
The utility model provides an auxiliary tool for a guide wire penetrating operation, and belongs to the technical field of medical instruments. The auxiliary tool for the guide wire penetrating operation comprises a conveying device, a pulling device and a flexible and contractible capturing device for capturing the guide wire, wherein the conveying device is provided with an outlet, the pulling device is positioned in the conveying device, the pulling device is connected with the capturing device, and the capturing device in the conveying device is pushed out of the outlet or pulled into the conveying device from the outside of the outlet. The utility model provides an appurtenance can be fast accurate snatch the seal wire and draw forth extracorporeally, because of the seal wire runs through the operation under the ray, this appurtenance can improve the seal wire and draw forth efficiency, reduces the radiation time.
Description
Technical Field
The utility model belongs to the technical field of medical instruments, and particularly relates to an auxiliary tool for a guide wire penetrating operation.
Background
The guide wire penetrating operation is an operation type of interventional operation, and generally refers to: a guide wire is fed from one end of a blood vessel, the guide wire runs in the cavity of the blood vessel, the guide wire is led out from the other end or the same end of the blood vessel, the head and the tail of the guide wire are outside the body, the middle part of the guide wire is in the blood vessel in the body, and the human body is equivalently strung together through the guide wire. The guide wire penetrating method is a simple, safe and practical interventional operation method, and is applied by Xuzhou medical university subsidiary hospital interventional department Zhanghua Daoji Daizheng professor in interventional operation treatment of Bujia syndrome.
After entering the vein, the guide wire needs to be guided out from the other end of the vein, the middle of the short guide wire is usually folded to form a bending part in the prior art, the guide wire is sent into the vein through a delivery sheath, and then the guide wire is operated to penetrate into the bending part to pull out the guide wire. However, the method can realize that the success rate of penetrating the guide wire into the bent part and pulling the guide wire out is very low, time and labor are wasted, the operation is performed at low ray, and the radiation dose of doctors and patients is increased.
Therefore, a quick and convenient tool for guiding the guide wire out of the body from the inside is urgently needed.
SUMMERY OF THE UTILITY MODEL
The present invention solves the above technical problems by providing an auxiliary tool for a guide wire penetrating operation.
In order to achieve the purpose, the technical solution of the utility model is as follows:
an auxiliary tool for a guide wire penetrating operation comprises a conveying device, a pulling device and a flexible and contractible catching device for catching a guide wire, wherein the conveying device is provided with an outlet, the pulling device is positioned in the conveying device, the pulling device is connected with the catching device, the catching device in the conveying device is pushed out of the outlet, or the catching device is pulled into the conveying device from the outside of the outlet.
Preferably, the capturing device is in a retracted state when inside the transportation device and in an extended state when outside the transportation device.
Preferably, the device further comprises a restraining device, wherein the restraining device is arranged on the catching device to enable the catching device to be in a contraction state.
Preferably, the outer diameter of the restriction device is larger than the diameter of the outlet and the inner diameter of the restriction device is smaller than the diameter of the outlet.
Preferably, the conveying device is internally of a hollow structure, the outlet is arranged at one end of the conveying device, and the other end of the conveying device is an inlet of the traction device.
Preferably, the outlet is tapered.
Preferably, the catching device is a conical net structure, and the pulling device is connected with the tip of the catching device.
Preferably, the maximum diameter of the catching means is not smaller than the diameter of the blood vessel.
Preferably, the traction device is a traction rod, and the length of the traction rod is greater than that of the conveying device.
The utility model has the beneficial effects that:
the utility model provides an appurtenance can be fast accurate snatch the seal wire and draw forth extracorporeally, because of the seal wire runs through the operation under the ray, this appurtenance can improve the seal wire and draw forth efficiency, reduces the radiation time.
Drawings
Fig. 1 is a schematic view of the structure of the catching device located outside the conveying device.
Fig. 2 is a schematic view of the structure of the catching device inside the conveying device.
Fig. 3 is a schematic view of a circular ring structure.
Fig. 4 is a state diagram in which the catching device is located in the hose.
Fig. 5 is a state diagram in which the catching device is located in the transporting device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes 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 at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1 to 2, an auxiliary tool for a guide wire penetrating operation comprises a conveying device 10, a pulling device 20 and a flexible and contractible catching device 30 for catching a guide wire 40, wherein the conveying device 10 is preferably hollow inside, the conveying device 10 is provided with an outlet 11, the outlet 11 is arranged at one end of the conveying device 10, and the other end of the conveying device 10 is provided with a pulling device inlet 12. The pulling device 20 enters the conveying device 10 from the pulling device inlet 12, the pulling device 20 is connected with the catching device 30, namely the pulling device 20 and the catching device 30 are both positioned in the conveying device 10, and the pulling device 20 can push the catching device 30 in the conveying device 10 out of the outlet 11 or pull the catching device 30 in the conveying device 10 from the outside of the outlet 11. That is, the catching device 30 is contracted by the force of the inside of the transportation device when it is located inside the transportation device 10, and is unfolded when it is located outside the transportation device 10. Specifically, the delivery device 10 may be a delivery sheath commonly used in interventional procedures, the diameter of the delivery sheath is smaller than the diameter of the blood vessel 50, and the capture device 30 may be retracted into the delivery sheath. The pulling device 20 is a pulling rod, and the length of the pulling rod is greater than that of the conveying device 10. When the device is used, the pulling device 20 and the catching device 30 are arranged in the conveying device 10, the pulling device 20 and the catching device 30 are sent to the proper position of the carotid artery by the conveying device 10, then the catching device 30 is pushed out from the outlet 11 by the pulling device 20, the catching device 30 is pushed out and naturally unfolded, the guide wire 40 enters the unfolded catching device 30, at the moment, the pulling device 20 is fixed and is not moved, the conveying device 10 is pushed towards the catching device 30, the catching device 30 is slowly contracted to enter the conveying device 10 from the outlet 11, the front end of the guide wire 40 is made of soft materials, when the catching device 30 enters the conveying device 10, the guide wire 40 is clamped by the catching device 30 and enters the conveying device 10, and is clamped by the conveying device 10, and then the conveying device 10, the catching device 30 and the pulling device 20 are taken out from the blood vessel 50, so that the guide wire 40 can be pulled out.
In another preferred embodiment, a restraining device 60 is further included, and the restraining device 60 is disposed on the capturing device 30 to keep the capturing device 30 in a retracted state. Specifically, referring to fig. 3 and 5, the restriction device 60 may be a ring or a hose having a certain thickness, fig. 3 is a schematic view of the structure of the ring, fig. 4 is a state view of the catching device being located in the hose, and fig. 5 is a state view of the catching device being located in the transportation device. The ring or hose is fitted over the trap 30 to allow the trap to be in a collapsed condition. Preferably, the outer diameter of the restriction device 60 is larger than the diameter of the outlet 11, and the inner diameter of the restriction device 60 is smaller than the diameter of the outlet 11. Namely, in the using process, the restraining device 60 is sleeved on the catching device 30 to enable the catching device 30 to be in a contracted state, and then the catching device 30 and the pulling device 20 are sent into the conveying device 10 together, when the catching device enters the outlet 11, the inner diameter of the restraining device 60 is smaller than the diameter of the outlet, namely, the diameter of the catching device 30 in the contracted state is smaller than the diameter of the outlet, so that the catching device can be smoothly pushed out from the outlet 11 by the pulling device 20, the outer diameter of the restraining device 60 is larger than the diameter of the outlet 11, at the moment, the restraining device 60 is blocked in the outlet 11 and is left in the conveying device 10, at the moment, the catching device 30 is not restrained by external force and is naturally unfolded.
Further, the outlet 11 of the conveying device 10 is tapered. The conveying device 10 is conveniently sent into the carotid artery, meanwhile, the conveying device 10 is pushed forwards, when the catching device 30 slowly shrinks to enter the conveying device from the outlet 11, the conical outlet 11 can clamp the catching device 30, so that the guide wire 40 is clamped, and the guide wire 40 is conveniently pulled out.
Further, the catching device 30 has a conical net structure, and the pulling device 20 is connected to the tip of the catching device 30. The catching device 30 comprises a connecting part 31, a keel 32 and connecting lines 33, the keel 32 is provided with more than three pieces, the keel 32 is fixed on the connecting part 31, one connecting line 33 is wound on the keel to form a circular ring, and the connecting lines 33 are wound on the keel 32 to form a conical net structure. The keel 32 can be made of a metal material or a plastic with certain hardness and toughness, the connecting line 33 can be made of a surgical suture or a plastic with certain hardness and toughness, the keel 32 and the connecting line 33 can also be made of other materials with certain hardness and toughness, the using function of the utility model is met, and the specific material used for the catching device is not limited.
Further, the maximum diameter of the catching device 30 is not smaller than the diameter of the blood vessel 50. After the catching device 30 enters the blood vessel, the diameter of the catching device 30 is not smaller than that of the blood vessel 50, so that the guide wire 40 can enter the catching device 30, the conveying device 10 is moved towards the catching device 30, the catching device 30 and the guide wire 40 can enter the conveying device 10 together, the guide wire 40 and the catching device 30 are clamped by the conveying device 10 together, and the guide wire 40 can be pulled out quickly.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. An auxiliary tool for a guide wire penetrating operation is characterized by comprising a conveying device, a pulling device and a flexible and contractible catching device for catching a guide wire, wherein the conveying device is provided with an outlet, the pulling device is positioned in the conveying device, the pulling device is connected with the catching device, the catching device in the conveying device is pushed out of the outlet, or the catching device is pulled into the conveying device from the outside of the outlet.
2. An aid for use in a guidewire traversal procedure as in claim 1, wherein the capture device is configured to be collapsed when positioned within the delivery device and expanded when positioned outside the delivery device.
3. An aid for use in a guidewire traversal procedure as defined in claim 2, further comprising a restraining device disposed on the capture device to hold the capture device in a collapsed condition.
4. An aid for a guidewire traversal procedure as in claim 3, wherein the outer diameter of the restriction device is larger than the diameter of the exit port and the inner diameter of the restriction device is smaller than the diameter of the exit port.
5. The aid for a guidewire pass through procedure as set forth in claim 1, wherein the delivery device is hollow inside, the exit port is provided at one end of the delivery device, and the other end of the delivery device is a pulling device entrance port.
6. An aid for use in a guidewire traversal procedure as in claim 5, wherein the exit port is tapered.
7. An aid for a guidewire traversal procedure according to any of claims 1-6, wherein the capturing device is a conical mesh structure and the pulling device is connected to a tip of the capturing device.
8. An aid for a guidewire traversal procedure according to claim 7, wherein the maximum diameter of the capture device is no less than the diameter of a blood vessel.
9. An aid for use in a guidewire traversal procedure as in claim 8, wherein the pulling device is a pulling rod having a length greater than the length of the delivery device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121869947.8U CN215608662U (en) | 2021-08-10 | 2021-08-10 | Auxiliary tool for guide wire penetrating operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121869947.8U CN215608662U (en) | 2021-08-10 | 2021-08-10 | Auxiliary tool for guide wire penetrating operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215608662U true CN215608662U (en) | 2022-01-25 |
Family
ID=79896701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121869947.8U Expired - Fee Related CN215608662U (en) | 2021-08-10 | 2021-08-10 | Auxiliary tool for guide wire penetrating operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215608662U (en) |
-
2021
- 2021-08-10 CN CN202121869947.8U patent/CN215608662U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220125 |