CN217447864U - Intervene sheath pipe and intervene subassembly - Google Patents
Intervene sheath pipe and intervene subassembly Download PDFInfo
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- CN217447864U CN217447864U CN202220216918.XU CN202220216918U CN217447864U CN 217447864 U CN217447864 U CN 217447864U CN 202220216918 U CN202220216918 U CN 202220216918U CN 217447864 U CN217447864 U CN 217447864U
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Abstract
The utility model discloses an intervention sheath tube and an intervention component, wherein the intervention component comprises an intervention sheath tube and an expansion tube; the dilation tube comprising a dilation catheter and a dilation seat, a proximal end of the dilation catheter being coupled to the dilation seat, a distal end of the dilation catheter being adapted to pass through the first instrument channel or the second instrument channel into the guide channel, and the dilation seat being adapted to couple to the sheath seat; the interventional sheath comprises a guide catheter having a guide channel; a sheath hub having a first instrument channel and a second instrument channel, the proximal end of the guide catheter being connected to the sheath hub, and the first instrument channel and the second instrument channel being in communication with the guide channel, respectively. The first instrument channel and the second instrument channel are formed in the sheath seat at the same time, so that in the operation process, two surgical instruments can penetrate through the guide channel at the same time to perform operation, the operation risk can be reduced, and the operation efficiency can be improved.
Description
Technical Field
The utility model relates to a medical field further relates to intervene sheath pipe and intervene subassembly.
Background
The vascular intervention technology is an operation technology for diagnosis and treatment through a vascular approach by using instruments such as a puncture needle, a guide wire, a catheter and the like under the guidance of medical imaging equipment. In recent years, with the wide application of vascular interventional therapy, various sheaths (also called catheter sheaths) are widely popularized, and implantation of interventional instruments is greatly facilitated.
It should be noted that the existing sheath can only meet the intervention requirement of one instrument at a time, that is, only one instrument can be implanted at the same time, and if a new and different surgical instrument needs to be replaced in the surgical procedure, the original instrument in the sheath needs to be extracted, or the blood vessel needs to be re-cut to penetrate a new catheter sheath, which both have a great risk of aggravating the trauma of the operator.
SUMMERY OF THE UTILITY MODEL
To the technical problem, an object of the utility model is to provide an intervene sheath pipe and intervene subassembly, through set up simultaneously on the sheath seat first apparatus passageway with second apparatus passageway can allow the operation in-process, and two surgical instruments can pass simultaneously the operation is carried out to the guide passageway, can reduce the operation risk, improves operation efficiency.
In order to achieve the above object, an object of the present invention is to provide an intervention sheath, including:
a guide catheter having a guide channel;
a sheath hub having a first instrument channel and a second instrument channel, the proximal end of the guide catheter being connected to the sheath hub, and the first instrument channel and the second instrument channel being in communication with the guide channel, respectively.
In some preferred embodiments of the present invention, the first instrument channel is disposed coaxially with the guide channel, and the second instrument channel has a predetermined included angle with the guide channel.
In some preferred embodiments of the present invention, the first instrument channel and the second instrument channel respectively have a predetermined included angle with the guide channel.
In some preferred embodiments of the present invention, the guide channel includes a first guide channel and a second guide channel, the first guide channel is in communication with the first instrument channel, and the second guide channel is in communication with the second instrument channel.
In some preferred embodiments of the present invention, the interventional sheath further comprises a sealing mechanism installed in the sheath seat, the sealing mechanism comprises a first sealing valve installed in the first instrument channel and a second sealing valve installed in the second instrument channel.
The utility model discloses a some preferred embodiments, first seal valve includes nearly heart end gasket, well near-end gasket, well far-end gasket and far-end gasket by distal end to near-end in proper order, wherein well near-end gasket with a style of calligraphy or cross incision have been seted up to well far-end gasket corresponding position, nearly heart end gasket with the through-hole has been seted up to the corresponding position of far-end gasket.
In some preferred embodiments of the present invention, the first sealing valve further includes a first clamp ring installed at the proximal end of the first instrument channel, the first clamp ring is installed in the first instrument channel, and the distal end of the first clamp ring abuts against the distal end sealing sheet, and the proximal end of the first clamp ring is provided with a first connecting portion for connecting the expansion seat.
In some preferred embodiments of the utility model, the second seal valve includes first gasket, second clamp ring and shutoff head by far away heart to near-end in proper order, a style of calligraphy or cross incision have been seted up to the preset position of first gasket, the through-hole has been seted up to the corresponding position of second gasket, the second clamp ring install in second apparatus passageway, and the distal end butt of second clamp ring in the second gasket, the near-end of second clamp ring is equipped with the second connecting portion, shutoff head detachably install in the second connecting portion.
In some preferred embodiments of the present invention, the intervention sheath further comprises a first vent valve communicating with the first instrument channel and a second vent valve communicating with the second instrument channel, the first vent valve and the second vent valve respectively comprise a valve tube and a valve communicating with the valve tube.
According to another aspect of the utility model, the utility model discloses a further provide intervenes subassembly, include:
the interventional sheath of any one of the above;
a dilation tube comprising a dilation catheter and a dilation seat, the dilation catheter having a proximal end coupled to the dilation seat, a distal end adapted to pass through the first instrument channel or the second instrument channel into the guide channel, and the dilation seat adapted to couple to the sheath seat.
In some preferred embodiments of the present invention, the interventional assembly further comprises a first interventional instrument and a second interventional instrument, the distal end of the first interventional instrument being adapted to pass through the first instrument channel, and the distal end of the second interventional instrument being adapted to pass through the second instrument channel.
Compared with the prior art, the utility model provides an intervene sheath pipe and intervene subassembly has following at least one beneficial effect:
1. the intervention sheath tube and the intervention component provided by the utility model can allow two surgical instruments to pass through the guide channel simultaneously to perform surgical operation in the surgical process by arranging the first instrument channel and the second instrument channel on the sheath seat simultaneously, thereby reducing surgical risks and improving surgical efficiency;
2. the utility model provides an intervene sheath pipe and intervene subassembly, first apparatus passageway and second apparatus passageway respectively with have preset contained angle between the guide channel, first apparatus passageway and second apparatus passageway all do not with guide channel coaxial arrangement, can keep first apparatus passageway with under the unchangeable circumstances of angle between the second apparatus passageway, can reduce the angle between single apparatus passageway and the guide channel to the utmost extent;
3. the first sealing valve and the second sealing valve are respectively provided with more than two layers of sealing sheets, when an expansion catheter or a surgical instrument passes through one sealing sheet, other sealing sheets are in a closed state or a smaller opening state, and a large amount of blood leakage can be reduced when the expansion catheter or the surgical instrument passes through one sealing sheet; after the dilating catheter or the surgical instrument passes through the sealing sheet, the sealing sheet is tightly pressed on the outer side of the dilating catheter or the surgical instrument by elasticity, so that the sealing effect is achieved.
Drawings
The above features, technical features, advantages and modes of realisation of the present invention will be further described in the following detailed description of preferred embodiments thereof, which is to be read in conjunction with the accompanying drawings.
Fig. 1 is a schematic view of the overall structure of an intervention assembly of a preferred embodiment of the present invention;
fig. 2 is a schematic view of the overall structure of an interventional sheath of the interventional assembly of the preferred embodiment of the present invention;
FIG. 3 is a schematic view of the overall structure of the dilation tube of the access assembly of the preferred embodiment of the present invention;
fig. 4 and 5 are schematic exploded structural views of an intervention sheath of an intervention assembly according to a preferred embodiment of the present invention.
The reference numbers illustrate:
the device comprises a sheath seat 1, a guide catheter 2, a first instrument channel 1-1, a second instrument channel 1-2, a first sealing valve 3, a proximal end sealing sheet 3-1, a middle proximal end sealing sheet 3-2, a middle distal end sealing sheet 3-3, a distal end sealing sheet 3-4, a first compression ring 4, a second sealing valve 7, a first sealing sheet 7-1, a second sealing sheet 7-2, a second compression ring 8, a sealing head 9, a first vent valve 10, a second vent valve 11, an expansion catheter 5 and an expansion seat 6.
Detailed Description
In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.
For the sake of simplicity, only the parts related to the utility model are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items and includes such combinations.
In this context, it is to be understood that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.
Referring to fig. 1-5, the present invention provides an interventional assembly including an interventional sheath and an dilation tube. The interventional sheath comprises a sheath seat 1 and a guide catheter 2, wherein the guide catheter 2 is provided with a guide channel; the sheath seat 1 is provided with a first instrument channel 1-1 and a second instrument channel 1-2, the proximal end of the guide catheter 2 is connected to the sheath seat 1, and the first instrument channel 1-1 and the second instrument channel 1-2 are respectively communicated with the guide channels.
The dilation tube comprises a dilation catheter 5 and a dilation seat 6, the dilation catheter 5 being connected at a proximal end to the dilation seat 6, the dilation catheter 5 being adapted at a distal end to pass through the first or second instrument channel 1-1, 1-2 into the guide channel, and the dilation seat 6 being adapted to be connected to the sheath seat 1. The distal end of the dilating catheter 5 extends beyond the distal end of the guiding catheter 2, and the vessel can be effectively dilated through the dilating catheter, so that the guiding catheter 2 can be inserted into the vessel conveniently.
Specifically, the first instrument channel 1-1 and the guide channel are coaxially arranged, and a preset included angle is formed between the second instrument channel 1-2 and the guide channel. In other words, the first instrument channel 1-1 is collinear with the guide channel, and the first instrument channel 1-1 is the main channel for insertion of the dilatation catheter 5 during dilatation. The second instrument channel 1-2 and the guide channel form a certain included angle, and the second instrument channel 1-2 is used as an auxiliary channel.
It should be noted that, by simultaneously forming the first instrument channel 1-1 and the second instrument channel 1-2 on the sheath seat 1, two surgical instruments can simultaneously pass through the guide channel to perform a surgical operation during a surgical procedure, thereby reducing surgical risks and improving surgical efficiency.
Optionally, in some embodiments, the number of instrument channels on the sheath base 1 can also be more than two, such as three, four or more, to satisfy the insertion of more instruments at the same time.
In some variations, the first instrument channel 1-1 and the second instrument channel 1-2 each have a predetermined angle with respect to the guide channel. That is, neither the first instrument channel 1-1 nor the second instrument channel 1-2 is disposed coaxially with the guide channel, enabling a maximum reduction in the angle between a single instrument channel and the guide channel.
Further, the guide channel comprises a first guide channel and a second guide channel, the first guide channel is communicated with the first instrument channel 1-1, and the second guide channel is communicated with the second instrument channel 1-2. Through setting up two guide channels that correspond to two apparatus passageways respectively, can avoid the operation apparatus mutual interference that stretches into in the different apparatus passageways, improve the stability of operation, further reduce the operation risk.
Referring to fig. 4 and 5, the interventional sheath further comprises a sealing mechanism mounted to the sheath seat 1, the sealing mechanism comprising a first sealing valve 3 mounted in the first instrument channel 1-1 and a second sealing valve 7 mounted in the second instrument channel 1-2.
Specifically, the first sealing valve 3 sequentially comprises a near-center sealing piece 3-1, a middle-near end sealing piece 3-2, a middle-far end sealing piece 3-3 and a far-center sealing piece 3-4 from a far end to a near end, wherein a linear or cross-shaped cut is formed in a position corresponding to the middle-near end sealing piece 3-2 and the middle-far end sealing piece 3-3, and a through hole is formed in a position corresponding to the near-center sealing piece 3-1 and the far-center sealing piece 3-4.
The proximal sealing plate 3-1, the middle proximal sealing plate 3-2, the middle distal sealing plate 3-3 and the distal sealing plate 3-4 of the first sealing valve 3 are made of rubber materials respectively, which can allow the dilating catheter 5 or a surgical instrument to pass through and can tightly wrap the outside of the dilating catheter 5 or the surgical instrument to play a role of sealing in the operation process and prevent blood from flowing out. By providing the first sealing valve 3 with four sealing sheets, when the dilating catheter 5 or the surgical instrument passes through one of the sealing sheets, the other sealing sheets are in a closed state or a smaller opened state, so that a large amount of blood leakage when the dilating catheter 5 or the surgical instrument passes through one of the sealing sheets can be reduced; after the dilating catheter 5 or the surgical instrument passes through the sealing sheet, the sealing sheet is tightly pressed on the outer side of the dilating catheter 5 or the surgical instrument by elasticity, so that the sealing effect is achieved.
Referring to fig. 4, further, the first sealing valve 3 further includes a first clamp ring 4 installed at the proximal end of the first instrument channel, the first clamp ring 4 is installed in the first instrument channel, and the distal end of the first clamp ring 4 abuts against the distal end sealing sheet 3-4, and the proximal end of the first clamp ring 4 is provided with a first connecting portion for connecting with the expansion seat 6.
Preferably, the first compression ring 4 is detachably mounted on the inner wall of the proximal end of the first instrument channel, and when the first compression ring 4 is mounted in the first instrument channel, the first compression ring 4 compresses the distal sealing plate 3-4 to prevent the sealing plate of the first sealing valve 3 from loosening.
Specifically, the first compression ring 4 is detachably mounted on the inner wall of the proximal end of the first instrument channel in a clamping manner. In some variations, the distal end of the first compression ring 4 may also be removably mounted to the proximal inner wall of the first instrument channel by a threaded connection. In some variant embodiments, the first compression ring 4 can also be fixedly mounted to the proximal inner wall of the first instrument channel, and the specific mounting manner of the first compression ring 4 should not be construed as limiting.
Referring to fig. 5, the second sealing valve 7 sequentially includes a first sealing sheet 7-1, a second sealing sheet 7-2, a second clamp ring 8 and a blocking head 9 from a far center to a near end, a preset position of the first sealing sheet 7-1 is provided with a straight or cross-shaped cut, a corresponding position of the second sealing sheet 7-2 is provided with a through hole, the second clamp ring 8 is installed in the second instrument channel, a far end of the second clamp ring 8 abuts against the second sealing sheet 7-2, the near end of the second clamp ring 8 is provided with a second connecting portion, and the blocking head 9 is detachably installed in the second connecting portion.
The first sealing sheet 7-1 and the second sealing sheet 7-2 of the second sealing valve 7 are also made of elastic rubber materials, and the effect of reducing or preventing leakage similar to that of the multiple layers of sealing sheets in the first sealing valve 3 can be achieved by arranging two layers of sealing sheets. The second clamp ring 8 is detachably mounted in the second instrument channel 1-2, and when the second clamp ring 8 is mounted in the second instrument channel 1-2, the second clamp ring 8 abuts against the second sealing plate 7-2 to clamp the sealing plate of the first sealing valve 7. The blocking head 9 is detachably mounted on the second compression ring 8 to block the instrument channel when the second instrument channel 1-2 is not needed to be used, so as to prevent blood from leaking; when the second instrument channel 1-2 needs to be used, the blocking head 9 is detached from the second compression ring 8, and an instrument is inserted into the second instrument channel 1-2.
Referring to fig. 1, the interventional sheath further comprises a first vent valve 10 communicating with the first instrument channel 1-1 and a second vent valve 11 communicating with the second instrument channel 1-2, and the first vent valve 10 and the second vent valve 11 respectively comprise a valve tube and a valve communicating with the valve tube. The first ventilation valve 10 can exhaust the gas in the first instrument channel 1-1, the second ventilation valve 11 can exhaust the gas in the second instrument channel 1-2, and the first ventilation valve 10 and the second ventilation valve 11 are closed after the exhaust is completed. In some variants, it is also possible to provide only one venting valve communicating with the pilot channel.
In the using process, the sheath seat 1 is connected with the guide catheter 2, and the dilating catheter 5 is connected with the dilating seat 6; the first sealing sheet 7-1, the second sealing sheet 7-2 and the second pressing ring 8 of the second sealing valve 7 are sequentially installed in the first instrument channel 1-1, and the sealing sheets of the first sealing valve 3 are pressed by the first pressing ring 4; mounting the proximal seal piece 3-1, the middle proximal seal piece 3-2, the middle distal seal piece 3-3, the distal seal piece 3-4, and the first clamp ring 4 of the second seal valve 3 to the first instrument channel 1-1; passing the dilation catheter 5 through the first instrument channel 1-1 into the guide channel and connecting the dilation seat 6 to the first compression ring 4 for a dilation operation; after the intervention sheath is placed at a preset position, an operation instrument is inserted through the first instrument channel 1-1 and/or the second instrument channel 1-2 so as to perform corresponding operation.
Further, the interventional assembly also includes a first interventional instrument having a distal end adapted to pass through the first instrument channel and a second interventional instrument having a distal end adapted to pass through the second instrument channel.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. An interventional sheath, comprising:
a guide catheter having a guide channel;
a sheath hub having a first instrument channel and a second instrument channel, a proximal end of the guide catheter being connected to the sheath hub, and the first instrument channel and the second instrument channel being in communication with the guide channel, respectively;
a sealing mechanism comprising a first sealing valve mounted in the first instrument channel and a second sealing valve mounted in the second instrument channel.
2. The interventional sheath of claim 1, wherein the first instrument channel is disposed coaxially with the guide channel, and the second instrument channel is at a predetermined angle with respect to the guide channel.
3. The interventional sheath of claim 1, wherein the first instrument channel and the second instrument channel each have a predetermined included angle with the guide channel.
4. The interventional sheath of claim 1, wherein the guide channel comprises a first guide channel in communication with the first instrument channel and a second guide channel in communication with the second instrument channel.
5. The interventional sheath of any one of claims 1 to 4, wherein the first sealing valve comprises a proximal end sealing piece, a middle distal end sealing piece and a distal end sealing piece in sequence from a distal end to a proximal end, wherein a straight or cross-shaped cut is formed at a corresponding position of the middle proximal end sealing piece and the middle distal end sealing piece, and a through hole is formed at a corresponding position of the proximal end sealing piece and the distal end sealing piece.
6. The interventional sheath of claim 5, wherein the first sealing valve further comprises a first clamp ring mounted at a proximal end of the first instrument channel, the first clamp ring being mounted in the first instrument channel with a distal end of the first clamp ring abutting the distal seal piece, the proximal end of the first clamp ring being provided with a first coupling portion for coupling to an expansion seat.
7. The interventional sheath tube of claim 5, wherein the second sealing valve comprises a first sealing sheet, a second pressing ring and a blocking head from far center to near end, a linear or cross-shaped cut is formed in a preset position of the first sealing sheet, a through hole is formed in a corresponding position of the second sealing sheet, the second pressing ring is installed in the second instrument channel, the far end of the second pressing ring abuts against the second sealing sheet, a second connecting portion is arranged at the near end of the second pressing ring, and the blocking head is detachably installed in the second connecting portion.
8. The interventional sheath of any one of claims 6-7, further comprising a first vent valve in communication with the first instrument channel and a second vent valve in communication with the second instrument channel, the first and second vent valves comprising a valve tube and a valve in communication with the valve tube, respectively.
9. An access assembly, comprising:
the interventional sheath of any one of claims 1-8;
the dilating catheter comprises a dilating catheter and a dilating seat, wherein the proximal end of the dilating catheter is connected with the dilating seat, the distal end of the dilating catheter is suitable for passing through the first instrument channel or the second instrument channel of the interventional sheath to enter the guide channel of the interventional sheath, and the dilating seat is suitable for being connected with the sheath seat of the interventional sheath.
10. The interventional assembly of claim 9, further comprising a first interventional instrument having a distal end adapted to pass through the first instrument channel and a second interventional instrument having a distal end adapted to pass through the second instrument channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220216918.XU CN217447864U (en) | 2022-01-26 | 2022-01-26 | Intervene sheath pipe and intervene subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220216918.XU CN217447864U (en) | 2022-01-26 | 2022-01-26 | Intervene sheath pipe and intervene subassembly |
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| Publication Number | Publication Date |
|---|---|
| CN217447864U true CN217447864U (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220216918.XU Active CN217447864U (en) | 2022-01-26 | 2022-01-26 | Intervene sheath pipe and intervene subassembly |
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| CN (1) | CN217447864U (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
- 2022-01-26 CN CN202220216918.XU patent/CN217447864U/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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