CN211243553U - Occluder delivery system with intertwined delivery filaments - Google Patents
Occluder delivery system with intertwined delivery filaments Download PDFInfo
- Publication number
- CN211243553U CN211243553U CN201921376088.1U CN201921376088U CN211243553U CN 211243553 U CN211243553 U CN 211243553U CN 201921376088 U CN201921376088 U CN 201921376088U CN 211243553 U CN211243553 U CN 211243553U
- Authority
- CN
- China
- Prior art keywords
- chuck
- conveying
- wire
- delivery
- occluder
- 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.)
- Active
Links
Images
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model discloses a plugging device conveying system with intertwine's transport divides silk, include: a flexible hollow rod; the wire conveying and feeding device is longitudinally arranged on the flexible hollow rod in a penetrating manner; the catching claw is composed of a first chuck and a second chuck which are arranged oppositely, the first chuck and the second chuck are connected to a conveying wire, the conveying wire is divided into two conveying branch wires at one end connected with the first chuck and the second chuck, and the two conveying branch wires are mutually wound. The delivery wire is slidable relative to the flexible hollow shaft to rotate the first collet and the second collet in opposite directions about the axis of rotation. The first chuck is provided with a body, a first catching piece and a second catching piece, the body is provided with a first connecting end and a second connecting end, the first connecting end is connected to the conveying split wire, and one end of the second catching piece is rotatably connected with the body. The device can be matched with the occluder without thread matching, can be reliably used for conveying the non-thread occluder or other interventional medical devices, and is convenient for realizing reliable control of the catching claw.
Description
Technical Field
The utility model relates to the field of medical equipment, in particular to occluder conveying system with intertwining's transport divides silk for carry no screw thread occluder or have no threaded connection's other intervention medical instrument.
Background
The conveying steel cable of the existing occluder conveying system mostly adopts a head end with threads, and the head end can only be used for conveying medical appliances such as occluders with threaded connectors. However, there is no well-established delivery system available in the art for non-threaded stoppers (i.e., stoppers that do not have a threaded connection) because delivery cannot be achieved with a threaded fit.
In summary, the delivery systems known in the prior art are not capable of delivering a non-threaded occluding device.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a plugging device conveying system who divides the silk with intertwined transport in order to overcome the unable defect of carrying no screw thread plugging device of prior art's conveying system.
The utility model discloses an above-mentioned technical problem is solved through following technical scheme:
an occluder delivery system having intertwined delivery filaments, comprising: a flexible hollow rod; the wire conveying and feeding device is longitudinally arranged on the flexible hollow rod in a penetrating manner; the catching claw is composed of a first chuck and a second chuck which are oppositely arranged, and the first chuck and the second chuck are connected to the wire conveying and feeding part; the conveying and feeding wire is divided into two conveying and distributing wires at one end connected with the first chuck and the second chuck, the first chuck and the second chuck are correspondingly connected with the two conveying and distributing wires one by one, and the two conveying and distributing wires are mutually wound;
wherein the delivery wire is slidable relative to the flexible hollow shaft to rotate the first and second jaws about a rotational axis in opposite directions; the first chuck is provided with a body, a first catching piece and a second catching piece, the first chuck and the second chuck are connected with the chuck seat, the body is provided with a first connecting end and a second connecting end, the first connecting end is connected with the conveying split wire, the first catching piece extends from the body to the second chuck at the second connecting end, and one end of the second catching piece is rotatably connected with the body;
when the first chuck and the second chuck move towards each other, the other end of the second catching piece is engaged with the first catching piece, and the catching claws are tightened to catch the connecting piece of the occluder; when the first and second jaws are moved apart, the other end of the second catch is separated from the first catch to form an opening, and the catch opens for releasing the connection.
In the scheme, the catching and releasing of the connecting piece are realized by utilizing the relative rotation of the two chucks controlled by the conveying wire, and the normal and reliable conveying of the plugging device can be realized without thread matching. In addition, the conveying wire is formed by winding two conveying branch wires, the movement of the two conveying branch wires can be synchronously controlled by controlling the movement of the conveying wire, and the reliable control of the tightening and the releasing of the catching claw is convenient to realize. In addition, the first chuck and the second chuck which form the catching claw are simple in structure, the catching claw can be conveniently switched between a tightening state and a releasing state, and meanwhile, the cost is reduced.
Preferably, the body is provided with two connecting blocks which are oppositely arranged, and one end of the second catching piece is positioned between the two connecting blocks and is rotatably connected with the two connecting blocks through a rotating shaft.
Preferably, the two connecting blocks and the body are of an integral structure.
In this scheme, need not to set up in addition and be used for realizing the structure of being connected of connecting block and body, be favorable to simplifying structure and reduce cost.
Preferably, the first catching claw and the body are of an integral structure; the occluder conveying system further comprises a chuck base connected to one end of the flexible hollow rod, the conveying wire penetrates through the chuck base, and the first chuck and the second chuck are rotationally symmetrically arranged and rotatably connected to the chuck base around the rotating axis.
In this scheme, need not to set up in addition and be used for realizing the structure of being connected of first claw and body of arresting, be favorable to simplifying structure and reduce cost.
Preferably, the chuck base has two opposite chucks, and the first chuck and the second chuck are clamped between the two chucks.
On the basis of the common knowledge in the field, the above preferred conditions can be combined at will to obtain the preferred embodiments of the present invention.
The utility model discloses an actively advance the effect and lie in:
the utility model discloses a plugging device conveying system with intertwine's transport divides silk need not can realize the cooperation with the plugging device through screw-thread fit, can be used for the transport of no screw thread plugging device reliably. The conveying and feeding wire is formed by winding two conveying and distributing wires, the movement of the two conveying and distributing wires can be synchronously controlled by controlling the movement of the conveying and feeding wire, and the reliable control of the tightening and releasing of the catching claw is convenient to realize. The delivery system can also be used for vascular plugs without threaded connectors or other medical devices for closing tissue cavities, and can be delivered as long as the delivery system can grasp the delivery system without being limited by the shape of the mechanical connector, so that innovation and change of the design of the medical devices in vivo are greatly promoted, and the delivery system is easy to manufacture, convenient to operate and safe to deliver.
Drawings
Fig. 1 is a schematic structural view of a delivery system of the occluder with intertwined delivery sub-wires according to a preferred embodiment of the present invention, in which the catch pawl is in a tightened state.
Fig. 2 is a schematic diagram of the delivery system of the occluder with intertwined delivery filaments according to a preferred embodiment of the present invention, in which the catch pawl is in an open position.
Fig. 3 is an enlarged schematic view of a portion a in fig. 2.
Fig. 4 is a partial schematic view of the first collet of the occluding device delivery system with intertwined delivery filaments according to a preferred embodiment of the present invention, wherein the second catch is not shown.
Fig. 5 is a schematic structural view of a second chuck of the delivery system of the occluder having intertwined delivery filaments according to a preferred embodiment of the present invention.
Description of reference numerals:
210 flexible hollow bar
220 chuck seat
230 catching claw
240 first chuck
241 main body
242 first catch
243 second catch
244 connecting block
245 rotary shaft
246 axis of rotation
250 second chuck
260: fixed seat
270: operating handle
Detailed Description
The present invention will be more clearly and completely described below with reference to the accompanying drawings.
This embodiment discloses an occluding device delivery system with intertwined delivery filaments, as will be understood with reference to fig. 1-5, the occluding device delivery system comprising: a flexible hollow shaft 210, a delivery wire, and a catch 230 comprising a first jaw 240 and a second jaw 250 disposed opposite one another. The conveying wire longitudinally penetrates through the flexible hollow rod 210, and the first clamping head 240 and the second clamping head 250 are connected to the conveying wire; the conveying wire is divided into two conveying divided wires at one end connected with the first clamping head 240 and the second clamping head 250, the first clamping head 240 and the second clamping head 250 are correspondingly connected with the two conveying divided wires one by one, and the two conveying divided wires are mutually wound. The delivery wire is slidable relative to the flexible hollow shaft 210 to rotate the first and second jaws 240, 250 in opposite directions about a rotational axis 246; the first collet 240 has a body 241, a first catch 242 and a second catch 243, the first collet 240 and the second collet 250 are connected to the collet base 220, the body 241 has a first connecting end and a second connecting end, the first connecting end is connected to the conveying divided wire, the first catch 242 extends from the body 241 toward the second collet 250 at the second connecting end, and one end of the second catch 243 is rotatably connected to the body 241.
When the first and second collets 240, 250 are moved towards each other, the other end of the second catch 243 engages with the first catch 242 and the catch 230 is tightened for catching the connection of the occluder. When the first and second collets 240 and 250 are moved apart, the other end of the second catch 243 is separated from the first catch 242 to form an opening, and the catch claw 230 is opened for releasing the connection.
In the embodiment, the catching and releasing of the connecting piece are realized by utilizing the relative rotation of the two chucks controlled by the conveying wire, and the normal and reliable conveying of the plugging device can be realized without thread matching. In addition, the conveying wire is formed by winding two conveying branch wires, and the movement of the two conveying branch wires can be synchronously controlled by controlling the movement of the conveying wire, so that the reliable control of the tightening and releasing of the catching claw 230 is realized conveniently. In addition, the first collet 240 and the second collet 250 constituting the catch claw 230 have a simple structure, which facilitates switching of the catch claw 230 between the tightened state and the released state and is also advantageous for cost reduction.
Further, as will be understood by referring to fig. 3 to 4, the body 241 is provided with two connecting blocks 244 arranged oppositely, and one end of the second catching member 243 is located between the two connecting blocks 244 and is rotatably connected to the two connecting blocks 244 through a rotating shaft 245.
Further, in the present embodiment, the two connecting blocks 244 and the body 241 are an integral structure, and the first capturing member 242 and the body 241 are an integral structure.
In the embodiment, a connecting structure for connecting the connecting block 244 and the body 241 and a structure for connecting the first catching piece 242 and the body 241 do not need to be additionally provided, which is beneficial to simplifying the structure and reducing the cost.
Further, as will be understood with reference to fig. 1 and 2, the occluder delivery system further comprises a collet base 220, the collet base 220 being connected to one end of the flexible hollow rod 210, the delivery wire being threaded through the collet base 220, the first collet 240 and the second collet 250 being rotationally symmetrically arranged and rotatably connected to the collet base 220 about a rotational axis 246. In practice, the collet holder 220 has two oppositely disposed collets (not shown), and the first collet 240 and the second collet 250 are sandwiched between the two collets.
As shown in fig. 1-2, in this embodiment, the occluder delivery system further comprises: a fixed base 260 and an operating handle 270. The fixing base 260 is connected to one end of the flexible hollow rod 210 far away from the chuck base 220, the conveying wire is arranged in the fixing base 260 in a penetrating mode, and the operating handle 270 is connected to one end of the fixing base 260 far away from the flexible hollow rod 210. The fixing seat 260 and the operating handle 270 can be held by an operator such as a doctor, so that the operation is convenient. The sectional dimension of the fixing seat 260 is larger than that of the flexible hollow rod 210, and the sectional dimension of the operating handle 270 is larger than that of the wire, and the sizes of the fixing seat 260 and the operating handle can be designed according to specific needs and are generally needed to be convenient for normal adult hands to hold.
The delivery system of the present embodiment can be used for various types of occluders, such as occluders for treating congenital heart disease, including atrial septal defects, patent ductus arteriosus, ventricular septal defects, patent foramen ovale, left atrial appendage, etc., which require occlusion for treatment, such as occluders made of metal or degradable materials. It will be appreciated by those skilled in the art that the present occluding device delivery system may also be used for the delivery of other medical devices having similar configurations.
For some interventional medical devices, such as vascular plugs, or other medical devices that close tissue cavities, the delivery system may also be used for delivery without requiring a threaded head on the device, without being constrained by the shape of the device connector, as long as it can be grasped by the delivery system, which greatly facilitates changes in the design of the interventional device and facilitates delivery of the interventional device in the body. The conveying system is easy to manufacture, convenient to operate and safe to convey.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In describing the present invention, an embodiment may be provided with multiple figures, and reference numerals for the same components in the same embodiment are not necessarily shown in each figure; it will be appreciated by those skilled in the art that while one or more figures in an embodiment are described, they may be understood in conjunction with other figures in the embodiment; it will be understood by those skilled in the art that when no specific reference is made to which figure the text specifically corresponds, the text can be understood in conjunction with all of the figures in the embodiment.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (5)
1. An occluder delivery system having intertwined delivery filaments, comprising: a flexible hollow rod; the wire conveying and feeding device is longitudinally arranged on the flexible hollow rod in a penetrating manner; the catching claw is composed of a first chuck and a second chuck which are oppositely arranged, and the first chuck and the second chuck are connected to the wire conveying and feeding part; the conveying and feeding wire is divided into two conveying and distributing wires at one end connected with the first chuck and the second chuck, the first chuck and the second chuck are correspondingly connected with the two conveying and distributing wires one by one, and the two conveying and distributing wires are mutually wound;
wherein the delivery wire is slidable relative to the flexible hollow shaft to rotate the first and second jaws about a rotational axis in opposite directions;
the occluder conveying system further comprises a clamp head seat, the clamp head seat is connected to one end of the flexible hollow rod, and the conveying wire penetrates through the clamp head seat;
the first chuck is provided with a body, a first catching piece and a second catching piece, the first chuck and the second chuck are connected with the chuck seat, the body is provided with a first connecting end and a second connecting end, the first connecting end is connected with the conveying split wire, the first catching piece extends from the body to the second chuck at the second connecting end, and one end of the second catching piece is rotatably connected with the body;
when the first chuck and the second chuck move towards each other, the other end of the second catching piece is engaged with the first catching piece, and the catching claws are tightened to catch the connecting piece of the occluder; when the first and second jaws are moved apart, the other end of the second catch is separated from the first catch to form an opening, and the catch opens for releasing the connection.
2. The system of claim 1, wherein the body includes two opposing connector blocks, and the second capturing member is pivotally connected at one end to the connector blocks by a pivot.
3. The occluder delivery system having intertwined delivery filaments of claim 2 wherein both of the connecting blocks are of unitary construction with the body.
4. The occluder delivery system having intertwined delivery filaments according to claim 1 wherein the first catch is of unitary construction with the body; the first chuck and the second chuck are rotationally symmetrically arranged and rotatably connected to the chuck base around the rotation axis.
5. The system of claim 4, wherein the cartridge holder has two opposing cartridges, the first cartridge and the second cartridge being sandwiched between the two cartridges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921376088.1U CN211243553U (en) | 2019-08-22 | 2019-08-22 | Occluder delivery system with intertwined delivery filaments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921376088.1U CN211243553U (en) | 2019-08-22 | 2019-08-22 | Occluder delivery system with intertwined delivery filaments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211243553U true CN211243553U (en) | 2020-08-14 |
Family
ID=71962349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921376088.1U Active CN211243553U (en) | 2019-08-22 | 2019-08-22 | Occluder delivery system with intertwined delivery filaments |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211243553U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114027915A (en) * | 2021-08-26 | 2022-02-11 | 上海形状记忆合金材料有限公司 | Cardiovascular plugging device conveying device with forming line protection |
-
2019
- 2019-08-22 CN CN201921376088.1U patent/CN211243553U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114027915A (en) * | 2021-08-26 | 2022-02-11 | 上海形状记忆合金材料有限公司 | Cardiovascular plugging device conveying device with forming line protection |
| CN114027915B (en) * | 2021-08-26 | 2023-09-08 | 上海形状记忆合金材料有限公司 | Cardiovascular plugging device conveying device with molding line protection |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7955354B2 (en) | Occlusion device and surgical instrument and method for its implantation/explantation | |
| CN211243553U (en) | Occluder delivery system with intertwined delivery filaments | |
| CA2627412A1 (en) | Occlusion device and surgical instrument and method for implanting or explanting the same | |
| CN205814367U (en) | Vascular suture pincers under peritoneoscope | |
| CN212650857U (en) | Rivet-free plugging device | |
| CN211381567U (en) | Occluder delivery system with diffusion-followed contraction capture space | |
| CN210843276U (en) | Occluder delivery system comprising a catch claw with an arc-shaped structure | |
| CN210843272U (en) | Occluder delivery system with open-and-close catching claws | |
| CN116158793B (en) | Be used for interveneeing operation pre-buried formula of knoing and carry tangent line device | |
| CN213665527U (en) | Anti-drop clip | |
| CN111870286A (en) | Rivet-free plugging device | |
| CN210784498U (en) | Occluder delivery system with collar-type catch jaws | |
| CN211243554U (en) | Occluder delivery system including a catch claw with a groove | |
| CN210383964U (en) | Occluder delivery system with elastically deformable catch jaws | |
| CN213910334U (en) | Occluder conveying device for cardiac surgery | |
| WO2020207485A1 (en) | Occluder and locking system of occluder | |
| CN211023049U (en) | Wire passing forceps for orthopedic operation | |
| CN213430280U (en) | Plugging device | |
| CN211381575U (en) | Occluder delivery system | |
| CN108042169B (en) | Operation ligature forceps | |
| KR102034690B1 (en) | Surgical clip application apparatus with maximum degree of freedom of motion | |
| CN114027915B (en) | Cardiovascular plugging device conveying device with molding line protection | |
| CN217853142U (en) | Blood vessel ligation auxiliary device | |
| CN111938736B (en) | Surgical ligature device | |
| CN104490452A (en) | Congenital heart disease occlusion device recovery forceps |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |