CN219126598U - Vascular sheath device and system - Google Patents
Vascular sheath device and system Download PDFInfo
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- CN219126598U CN219126598U CN202223245825.9U CN202223245825U CN219126598U CN 219126598 U CN219126598 U CN 219126598U CN 202223245825 U CN202223245825 U CN 202223245825U CN 219126598 U CN219126598 U CN 219126598U
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Abstract
The application relates to a vascular sheath device and system, comprising an outer sheath tube and an expanding sheath tube penetrating into the outer sheath tube; the outer sheath tube comprises an outer tube, a main joint and a side joint; the outer tube is fixedly connected with one end of the main joint; the lumen of the outer tube penetrates through the main joint along the length direction of the outer tube to form a main channel, and the other end of the main joint is provided with two instrument inlets communicated with the main channel; the other end of the main joint is provided with a double-hole blood sealing piece corresponding to the positions of the two instrument inlets; one end of the side joint is arranged on the side wall of the main joint, a side channel is arranged in the side joint, the side channel is communicated with the main channel, and the other end of the side joint is provided with a single-hole blood sealing piece; the dilating sheath tube sequentially passes through the single-hole blood sealing part, the side channel, the main channel and the lumen and exposes the outer tube. Can simultaneously meet the condition that two or more instruments are used for operation simultaneously. Through the double-hole blood sealing piece and the single-hole blood sealing piece, the phenomenon of blood leakage is prevented. In addition, the application also provides a vascular sheath system.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a vascular sheath device and a vascular sheath system.
Background
Minimally invasive surgery is becoming more favored by medical staff and patients with the development of society and technology.
The economic and people living standard of China is continuously improved, and vascular diseases become main reasons for endangering human health. While intravascular techniques are the primary minimally invasive method of treating vascular disease.
As an auxiliary guiding instrument for arteriovenous interventional operation, the vascular sheath plays an important role in interventional therapy.
The vascular sheath is guided through the guide wire by a vascular puncture technique, enters the blood vessel, and then the guide wire is taken out, so that the distal end of the vascular sheath device is placed in the blood vessel, and a channel from outside to the inner cavity of the blood vessel is established for the surgical instrument to pass through.
For example, in transcatheter prosthetic heart valve replacement procedures, the interventional valve requires a vascular sheath device to establish a passageway as it enters the body through vascular access such as through the femoral artery, vein, jugular vein, etc.
There are over a hundred thousand various endovascular procedures per year, each requiring a vascular sheath as an access for the procedure.
In each operation process, various surgical guide wires, catheters, balloons, stents and other instruments need to be repeatedly fed into and discharged from the vascular sheath for multiple times, most of the existing vascular sheaths are single-channel and can only be fed by a single instrument, the existing vascular sheaths which can only be fed by the single instrument can not meet the operation requirement for the condition of needing two instruments to be matched for simultaneous operation, if the tightness is not ensured by two or more instruments to be fed in the single channel, the blood leakage phenomenon can occur, and the two instruments can possibly cross, wind and shift in position in the single channel, so that the operation difficulty of medical staff is increased, and the stability is difficult to ensure.
Disclosure of Invention
The present utility model is directed to a vascular sheath device and system to solve the above-mentioned problems.
In order to achieve the above object of the present utility model, the following technical solutions are adopted:
in a first aspect, the present application provides a vascular sheath device comprising an outer sheath and an expanding sheath penetrating inside the outer sheath;
the outer sheath tube comprises an outer tube, a main joint and a side joint;
the outer tube is fixedly connected with one end of the main joint;
the lumen of the outer tube penetrates through the main joint along the length direction of the outer tube to form a main channel, and two instrument inlets communicated with the main channel are formed at the other end of the main joint so as to form two instrument inlets communicated with the main channel;
the other end of the main joint is provided with a double-hole blood sealing piece corresponding to the positions of the two instrument inlets;
one end of the side joint is arranged on the side wall of the main joint, a side channel is arranged in the side joint, the side channel is communicated with the main channel, and a single-hole blood sealing piece is arranged at the other end of the side joint;
the dilating sheath sequentially passes through the single-hole blood sealing member, the side channel, the main channel and the lumen, and exposes the outer tube.
Further, the double-hole blood sealing member comprises a pressing sheet and a sealing pad;
the pressing piece is fixedly connected with the main joint, the sealing gasket is arranged between the pressing piece and the main joint, two gaps are respectively arranged at positions corresponding to the two instrument inlets on the sealing gasket, and two through holes corresponding to the two gaps one by one are arranged on the pressing piece.
Further, the single-hole blood sealing member comprises a pressing sheet and a sealing pad;
the pressing piece is fixedly connected with the side joint, the sealing gasket is arranged between the pressing piece and the side joint, a gap is formed in the sealing gasket at the position corresponding to the side passage, and a through hole corresponding to the gap is formed in the pressing piece.
Further, the dilating sheath comprises a dilating tube and a dilating handle;
one end of the expansion tube sequentially passes through the single-hole blood sealing part, the side channel, the main channel and the tube cavity, and the outer tube is exposed;
the expansion handle is arranged outside the side joint and fixedly connected with the other end of the expansion pipe;
the lumen of the expansion tube penetrates through the expansion handle along the length direction of the expansion tube so as to form a threading channel.
Further, the outer tube is an oval outer tube, and the lumen is an oval lumen;
the side joint is an elliptic side joint, and the side channel is an elliptic side channel;
the expansion pipe is an elliptic expansion pipe.
Further, an exhaust hole is further formed in the main joint and communicated with the main channel, and the exhaust hole is connected with the three-way valve through a pipeline.
Further, one end of the expansion pipe is arranged in a conical mode.
Further, the main joint and the side joint are arranged in a Y shape.
Further, one end, far away from the outer tube, in the main channel of the main joint is provided with a reaming.
In a second aspect, the present application provides a vascular sheath system comprising a vascular sheath device as described above.
By adopting the technical scheme, the utility model has the following beneficial effects:
the vascular sheath device of this application, the distension sheath pipe passes single hole in proper order and seals blood piece, side channel, main channel and lumen to expose the outer tube setting, during the use, pass the seal wire from the distension sheath intraductal, vascular sheath device is intervened in the human body along the seal wire, withdraws from distension sheath pipe and seal wire, and the outer sheath pipe is as the passageway of apparatus.
The blood vessel sheath device of this application, the diplopore that the main joint other end seals blood piece and can get into two apparatuses simultaneously, and two apparatuses pass diplopore and seal blood piece and enter into corresponding apparatus entry in, then enter into in the main passageway, wear out from the outer tube through the lumen. The single-hole blood sealing part at the other end of the side joint can enter a flexible instrument, the flexible instrument passes through the single-hole blood sealing part, enters the side channel, enters the main channel through the side channel, and passes out of the outer tube through the lumen. Through the arrangement, the surgical operation device can simultaneously meet the condition that two or more instruments are simultaneously operated.
According to the sealing device, sealing of the two instrument inlets of the main joint is achieved through the double-hole blood sealing piece, and in the process that two instruments enter the main channel from the two instrument inlets of the main joint at the same time, the two instrument inlets of the main joint cannot leak blood; the sealing of the side channel of the side joint is realized through the single-hole blood sealing piece, and the side channel can not leak blood in the process of the flexible instrument entering the side channel. In addition, in the operation process, each instrument has a corresponding access channel, the relative positions of the instruments are fixed, the situation that two instruments are crossed, wound and shifted is avoided, the operation difficulty of the medical personnel is reduced, and the stability is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a vascular sheath device according to the present utility model;
FIG. 2 is a cross-sectional view of a vascular sheath device provided by the present utility model;
FIG. 3 is a schematic diagram showing the connection relationship between the sheath tube and the three-way valve;
FIG. 4 is a schematic view of the structure of an expandable sheath according to the present utility model;
FIG. 5 is a schematic view of a main joint according to the present utility model;
fig. 6 is a schematic diagram of the connection relationship between the double-hole blood sealing member and the single-hole blood sealing member and the outer sheath tube.
Reference numerals: 1-an outer sheath; 2-dilating sheath; 11-an outer tube; 12-main joint; 13-side joint; 111-lumen; 3-main channel; 5-instrument inlet; 4-interval; 6-double hole blood sealing piece; 7-side channels; 8-single hole blood sealing piece; 61-tabletting; 62-sealing gasket; 621-gaps; 63-through holes; 21-dilating tube; 22-an expansion handle; 23-threading channel; 9-exhaust holes; 10-piping; 14-a three-way valve; 15-reaming.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 6, the vascular sheath device of the present application comprises an outer sheath 1 and an expanding sheath 2 penetrating inside the outer sheath 1;
the outer sheath 1 comprises an outer tube 11, a main joint 12 and side joints 13;
the outer tube 11 is fixedly connected with one end of the main joint 12;
the lumen 111 of the outer tube 11 penetrates through the main joint 12 along the length direction of the outer tube 11 to form a main channel 3, and two instrument inlets 5 communicated with the main channel 3 are arranged at the other end of the main joint 12; in actual use, a space 4 is arranged in the main channel 3 at the other end of the main joint 12, so that two instrument inlets 5 communicated with the main channel 3 are formed at the other end of the main joint 12;
the other end of the main joint 12 is provided with a double-hole blood sealing piece 6 corresponding to the two instrument inlets 5, and the two instrument inlets 5 are sealed through the double-hole blood sealing piece 6;
one end of the side joint 13 is arranged on the side wall of the main joint 12, a side channel 7 is arranged in the side joint 13, the side channel 7 is communicated with the main channel 3, and the other end of the side joint 13 is provided with a single-hole blood sealing piece 8;
the dilating sheath 2 is disposed sequentially through the single hole blood seal 8, the side channel 7, the main channel 3 and the lumen 111, and exposes the outer tube 11.
The vascular sheath device of this application, the dilating sheath 2 passes single hole in proper order and seals blood piece 8, side channel 7, main channel 3 and lumen 111 to expose outer tube 11 setting, during the use, pass the seal wire in the dilating sheath 2, vascular sheath device is intervened in the human body along the seal wire, withdraws from dilating sheath 2 and seal wire, and outer sheath 1 is as the passageway of apparatus.
The blood vessel sheath device of the application, the double-hole blood sealing piece 6 at the other end of the main joint 12 can simultaneously enter two instruments, and the two instruments penetrate through the double-hole blood sealing piece 6 to enter the corresponding instrument inlet 5 and then enter the main channel 3, and pass through the lumen 111 to pass out of the outer tube 11. The single-hole blood sealing member 8 at the other end of the side joint 13 can enter a flexible instrument, the flexible instrument passes through the single-hole blood sealing member 8, enters the side channel 7, enters the main channel 3 through the side channel 7, and passes out of the outer tube 11 through the tube cavity 111. Through the arrangement, the surgical operation device can simultaneously meet the condition that two or more instruments are simultaneously operated.
The sealing of the two instrument inlets 5 of the main joint 12 is realized through the double-hole blood sealing piece 6, and in the process that two instruments enter the main channel 3 from the two instrument inlets 5 of the main joint 12 at the same time, the two instrument inlets 5 of the main joint 12 cannot leak blood; the sealing of the side channel 7 of the side joint 13 is realized through the single-hole blood sealing piece 8, and the side channel 7 can not leak blood in the process that the flexible instrument enters the side channel 7. In addition, in the operation process, each instrument has a corresponding access channel, the relative positions of the instruments are fixed, the situation that two instruments are crossed, wound and shifted is avoided, the operation difficulty of the medical personnel is reduced, and the stability is ensured.
The outer tube 11 and the main joint 12 may be connected as follows:
mode one: the outer tube 11 and the main joint 12 are connected together by adopting an adhesive mode, for example, ultraviolet curing adhesive is adopted to bond the outer tube 11 and the main joint 12 together.
Mode two: the outer tube 11 and the main joint 12 are connected together by integral injection molding.
Mode three: the outer tube 11 is connected with the main joint 12 in a nested manner by means of external connectors.
Specifically, the double-hole blood sealing member 6 includes a pressing sheet 61 and a sealing pad 62;
the pressing piece 61 is fixedly connected with the main joint 12, the sealing gasket 62 is arranged between the pressing piece 61 and the main joint 12, two gaps 621 are respectively arranged on the sealing gasket 62 corresponding to the two instrument inlets 5, and two through holes 63 corresponding to the two gaps 621 one by one are arranged on the pressing piece 61.
In use, two instruments pass through the two through holes 63 on the pressing piece 61, the two gaps 621 on the sealing pad 62 and the two instrument inlets 5 on the main joint 12 in sequence, enter the main channel 3, then enter the lumen 111 of the outer tube 11, pass through the lumen 111 and pass out of the outer tube 11 to expose the outer tube 11. Slit 621 is preferably a cross-shaped slit, which slit 621 may better seal against the passing instrument.
Specifically, the single-hole blood seal 8 includes a compression sheet 61 and a gasket 62;
the pressing piece 61 is fixedly connected with the side joint 13, the sealing gasket 62 is arranged between the pressing piece 61 and the side joint 13, a gap 621 is arranged on the sealing gasket 62 corresponding to the side passage 7, and a through hole 63 corresponding to the gap 621 is arranged on the pressing piece 61.
In use, the flexible instrument is passed through a through hole 63 in the compression plate 61, a slit 621 in the sealing gasket 62 and the side channel 7 in sequence into the main channel 3 and then into the lumen 111 of the outer tube 11, and out of the outer tube 11 through the lumen 111, exposing the outer tube 11. Slit 621 is preferably a cross-shaped slit, which slit 621 may better seal against the passing instrument.
Specifically, the dilating sheath 2 includes a dilating tube 21 and a dilating handle 22;
one end of the expansion tube 21 sequentially passes through the single-hole blood sealing part 8, the side channel 7, the main channel 3 and the tube cavity 111, and the outer tube 11 is exposed;
the expansion handle 22 is arranged outside the side joint 13 and is fixedly connected with the other end of the expansion pipe 21;
lumen 111 of dilation tube 21 extends through dilation handle 22 along the length of dilation tube 21 to form a threading channel 23.
Specifically, the outer tube 11 is an elliptical outer tube, and the lumen 111 is an elliptical lumen; the side joint 13 is an elliptic side joint, and the side channel 7 is an elliptic side channel; the expansion pipe 21 is an elliptical expansion pipe. With the above arrangement, there are two effects:
the action is as follows: compared with the existing circular tube, the flat tube has smaller wound under the same diameter.
The second action is:
two instruments pass through the double-hole blood sealing part 6 and enter the corresponding instrument inlet 5, the two instruments can enter the main channel 3 in the process of being mutually independent through the arrangement of the interval 4, mutual interference cannot occur, the two instruments can enter the main channel 3 smoothly, the two instruments entering the main channel 3 are in the process of penetrating out of the outer tube 11, the tube cavity 111 is an elliptic tube cavity, the two instruments are limited in the elliptic tube cavity of the outer tube 11, namely, the degree of freedom of the two instruments in the short axis direction of the elliptic tube is limited, and the long axis direction of the elliptic tube is limited by the whole width of the two instruments, so that the two instruments cannot cross each other, wind and shift, and the smooth operation is ensured. Further, since the lumen 111 is an oval lumen, the extension tube 21 is also provided as an oval extension tube in order to secure the fitting with the oval lumen, and since the extension tube 21 is an oval extension tube, the side channel 7 fitting with the extension tube 21 is also provided as an oval side channel.
Specifically, the main joint 12 is further provided with an exhaust hole 9, the exhaust hole 9 is communicated with the main channel 3, and the exhaust hole 9 is connected with a three-way valve 14 through a pipeline 10.
The required liquid is fed into the main channel 3 via the three-way valve 14 and the pipe 10.
For example, the pipe 10 is a relatively flexible pipe such as a PU pipe or a silicone pipe.
The three-way valve 14 may be a three-way stopcock which serves to evacuate the sheath 1 of gas and to vent air carried by the instrument into the sheath 1 during use, prior to use of the vascular sheath.
Specifically, one end of the expansion tube 21 is in a conical shape, one end of the expansion tube 21 in the conical shape penetrates through the single-hole blood sealing piece 8, the side channel 7, the main channel 3 and the tube cavity 111 more easily, the outer tube 11 is exposed, the difficulty of penetrating the expansion tube 21 into the outer sheath tube 1 is reduced, and one end of the expansion tube 21 in the conical shape can be conveyed more easily in the process of intervention into the target position of the human body, so that the operation difficulty in the process of intervention into the target position of the human body is reduced.
Specifically, the main joint 12 and the side joint 13 are provided in a Y-shape.
Specifically, the end of the main passage 3 of the main joint 12 remote from the outer tube 11 is provided with a counterbore 15 in communication with the main passage 3.
The provision of the counterbores 15 allows for easier access of two instruments to the corresponding instrument inlet 5.
On the basis, the application also provides a vascular sheath system which comprises the vascular sheath.
The vascular sheath system adopting the vascular sheath device can simultaneously meet the condition that two or more instruments are simultaneously operated. And through the double-hole blood sealing piece 6 and the single-hole blood sealing piece 8, the phenomenon of blood leakage is prevented. Each instrument is provided with a corresponding access channel, so that the operation difficulty of medical staff is reduced, and the stability is ensured.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (10)
1. A vascular sheath device comprising an outer sheath and an expanding sheath penetrating inside the outer sheath;
the outer sheath tube comprises an outer tube, a main joint and a side joint;
the outer tube is fixedly connected with one end of the main joint;
the lumen of the outer tube penetrates through the main joint along the length direction of the outer tube to form a main channel, and two instrument inlets communicated with the main channel are arranged at the other end of the main joint;
the other end of the main joint is provided with a double-hole blood sealing piece corresponding to the positions of the two instrument inlets;
one end of the side joint is arranged on the side wall of the main joint, a side channel is arranged in the side joint, the side channel is communicated with the main channel, and a single-hole blood sealing piece is arranged at the other end of the side joint;
the dilating sheath sequentially passes through the single-hole blood sealing member, the side channel, the main channel and the lumen, and exposes the outer tube.
2. The vascular sheath device of claim 1, wherein the dual port seal comprises a compression tab and a gasket;
the pressing piece is fixedly connected with the main joint, the sealing gasket is arranged between the pressing piece and the main joint, two gaps are respectively arranged at positions corresponding to the two instrument inlets on the sealing gasket, and two through holes corresponding to the two gaps one by one are arranged on the pressing piece.
3. The vascular sheath device of claim 1, wherein the single-hole seal comprises a compression tab and a gasket;
the pressing piece is fixedly connected with the side joint, the sealing gasket is arranged between the pressing piece and the side joint, a gap is formed in the sealing gasket at the position corresponding to the side passage, and a through hole corresponding to the gap is formed in the pressing piece.
4. The vascular sheath device of claim 1, wherein the dilating sheath comprises a dilating tube and a dilating handle;
one end of the expansion tube sequentially passes through the single-hole blood sealing part, the side channel, the main channel and the tube cavity, and the outer tube is exposed;
the expansion handle is arranged outside the side joint and fixedly connected with the other end of the expansion pipe;
the lumen of the expansion tube penetrates through the expansion handle along the length direction of the expansion tube so as to form a threading channel.
5. The vascular sheath device of claim 4, wherein the outer tube is an oval outer tube and the lumen is an oval lumen;
the side joint is an elliptic side joint, and the side channel is an elliptic side channel;
the expansion pipe is an elliptic expansion pipe.
6. The vascular sheath device of claim 1, wherein the main connector is further provided with a vent hole, the vent hole is communicated with the main channel, and the vent hole is connected with a three-way valve through a pipeline.
7. The vascular sheath device of claim 4, wherein one end of the dilation tube is tapered.
8. The vascular sheath device of claim 1, wherein the main connector and the side connector are arranged in a Y-shape.
9. A vascular sheath device as claimed in claim 1, wherein the end of the main passage of the main connector remote from the outer tube is reamed.
10. A vascular sheath system comprising a vascular sheath device according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223245825.9U CN219126598U (en) | 2022-12-05 | 2022-12-05 | Vascular sheath device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223245825.9U CN219126598U (en) | 2022-12-05 | 2022-12-05 | Vascular sheath device and system |
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| Publication Number | Publication Date |
|---|---|
| CN219126598U true CN219126598U (en) | 2023-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223245825.9U Active CN219126598U (en) | 2022-12-05 | 2022-12-05 | Vascular sheath device and system |
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| CN (1) | CN219126598U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116510161A (en) * | 2023-06-30 | 2023-08-01 | 苏州汇禾医疗科技有限公司 | Catheter sheath for interventional therapy |
-
2022
- 2022-12-05 CN CN202223245825.9U patent/CN219126598U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116510161A (en) * | 2023-06-30 | 2023-08-01 | 苏州汇禾医疗科技有限公司 | Catheter sheath for interventional therapy |
| CN116510161B (en) * | 2023-06-30 | 2023-09-08 | 苏州汇禾医疗科技有限公司 | Catheter sheath for interventional therapy |
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