CN205181963U - Adjustable bent sheath - Google Patents
Adjustable bent sheath Download PDFInfo
- Publication number
- CN205181963U CN205181963U CN201520737127.1U CN201520737127U CN205181963U CN 205181963 U CN205181963 U CN 205181963U CN 201520737127 U CN201520737127 U CN 201520737127U CN 205181963 U CN205181963 U CN 205181963U
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- CN
- China
- Prior art keywords
- side branch
- tubular body
- slide block
- adjustable bending
- sheath tube
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- 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.)
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Abstract
The utility model relates to an adjustable bent sheath, its include siphonozooid, traction fiber and with the handle that the siphonozooid links to each other. The handle include with the crossing collateral branch pipe of siphonozooid axis. The intraductal slider that to follow this collateral branch pipe translation that is equipped with of collateral branch. Traction fiber one end is fixed in on the slider, the other end is fixed in the distal end of siphonozooid. The intraductal setting element that still is equipped with of collateral branch. The setting element the slider is kept away from the siphonozooid. When the slider remove to with during the setting element contact, the crooked extremely predetermined angle of distal end of siphonozooid. The utility model provides an adjustable bent sheath can make the accent bent angle degree of sheath pipe distal end reach predetermined angle quickly accurate, shortens operation time, reduces patient's operation risk.
Description
Technical field
This utility model relates to medical sheath Manifold technology field, is specifically related to a kind of sheath pipe of far-end adjustable bending.
Background technology
Medical sheath pipe is at Wicresoft's intervention diagnosis and treat in operation for setting up passage, conveying or reclaiming apparatus, input medicine or derive body fluid etc.In the design and manufaction of sheath pipe, usually according to the difference of sheath pipe desired use, sheath pipe far-end preformed can be formed different curved shapes, the anatomic morphological of itself and specific diseased region be adapted, is convenient to sheath pipe far-end in human body, aims at this diseased region.In recent years, the pre-moulding intervention class diagnosis and treatment sheath pipe of far-end of various shape and angle is developed successively, and is devoted to and uses clinically.The pre-moulding intervention class diagnosis and treatment sheath pipe of these far-ends, needs the help by seal wire and dilator accurately could arrive diseased region usually.Wherein, seal wire more easily can enter into diseased region due to the characteristic of its softness, sets up transfer passage, and dilator moulding in advance inserts the inner chamber of body, sheath pipe and dilator, when advancing along seal wire and arriving diseased region, can be subject to the positive action of seal wire and point to target position.But after dilator and seal wire are extracted out from sheath pipe, sheath pipe far-end cannot keep original shape (namely cannot reach predetermined angular) moulding in advance, and make the far-end of sheath pipe depart from target position, and then affect apparatus and discharge at target position accurately.
In order to control the angle of bend of sheath pipe far-end more accurately, adjustable bending sheath tube receives much concern gradually.But the tune bending angle scope of most adjustable bending sheath tube is larger, and some specific anatomical structure of human body need be finely tuned at special angle place.Therefore, when operating this type of adjustable bending sheath tube, operator not only needs certain hour to remove to adjust the angle of bend of its far-end to special angle, also need to pay close attention to constantly scale on adjustable bending sheath tube to check whether adjustable bending sheath tube far-end is adjusted to special angle, thus make operator that the tune bending angle of sheath pipe far-end can not be made to reach a certain special angle fast accurate, extend operating time, add the operation risk of patient.
Utility model content
This utility model provides a kind of can make the tune bending angle of sheath pipe far-end reach the adjustable bending sheath tube of predetermined angular fast accurate, to shorten operating time, reduces the operation risk of patient.
The handle that a kind of adjustable bending sheath tube comprises tubular body, traction fiber and is connected with described tubular body.Described handle comprises the side branch with described tubular body axes intersect.Being provided with in described side branch can along the slide block of this side branch translation.Described traction fiber one end is fixed on described slide block, and the other end is fixed on the far-end of described tubular body.Also keeper is provided with in described side branch.The more described slide block of described keeper is away from described tubular body.When described slide block move to contact with described keeper time, the far-end of described tubular body is bent to predetermined angular.
In this utility model embodiment, described keeper is alignment pin, and the end of described side branch away from tubular body is located in one end of described keeper, and the end face of the other end is towards described slide block.
In this utility model embodiment, described keeper is be located at the projection on side branch inwall.
In this utility model embodiment, the bilateral of described slide block has teeth, described handle comprises being placed on and on described branched pipe and free to rotate revolves cylinder, described side branch is provided with the guide groove along its longitudinal axis, described slide block can along described guide groove translation, described in revolve cylinder inwall be provided with the spiral teeth groove mated with the teeth of described slide block.
In this utility model embodiment, the length of described guide groove accounts for nine ten ten to percent 3 percent of the length of described side branch.
In this utility model embodiment, described side branch is equipped with a position-arresting disk near the root of described tubular body, described in revolve cylinder internal diameter be less than the maximum gauge of described position-arresting disk.
In this utility model embodiment, described side branch is provided with end cap away from the end of described tubular body, revolves the internal diameter of cylinder described in the external diameter of described end cap is greater than.
In this utility model embodiment, described predetermined angular is be less than the unspecified angle of 180 degree.
In this utility model embodiment, the length range of described side branch be 5 centimetres to 10 centimetres and the external diametrical extent of described side branch is 0.5 centimetre to 1 centimetre.
In this utility model embodiment, described handle also comprises the primary branch communicated with described tubular body near-end, and the scope of the angle between the axis of the axis of the tube chamber of described primary branch and the tube chamber of described side branch is 10 degree to 70 degree.
Compared with prior art, this utility model is by adopting keeper can the end points of transitional zone at near-end restriction slide block, make the movable distance of slide block corresponding with the far-end angle of bend of adjustable bending sheath, only slide block need be moved to contact with keeper in operation technique and can realize the far-end angle of bend of adjustable bending sheath to predetermined angular, therefore the adjustable bending sheath tube that this utility model provides can make the tune bending angle of sheath pipe far-end reach predetermined angular fast accurate, shorten operating time, reduce the operation risk of patient.。
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the schematic diagram of the adjustable bending device of this utility model one embodiment;
Fig. 2 is the decomposing schematic representation of the adjustable bending device of Fig. 1;
Fig. 3 is the schematic diagram of the adjustable bending sheath tube of the adjustable bending device shown in Fig. 1;
The assembling decomposing schematic representation of the angle that Fig. 4 is the adjustable bending sheath tube shown in Fig. 3;
The assembling decomposing schematic representation that Fig. 5 is another angle of the adjustable bending sheath tube shown in Fig. 3;
Fig. 6 is the enlarged drawing at A place in Fig. 5;
Fig. 7 is the enlarged drawing at B place in Fig. 6;
Fig. 8 is the phantom of the adjustable bending sheath tube shown in Fig. 3;
The schematic diagram of the handle of the adjustable bending sheath tube that Fig. 9 provides for another embodiment of this utility model.
Figure 10 is the schematic diagram of the side branch of handle in Fig. 9.
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and describe detailed description of the invention of the present utility model in detail.
At intervention medical field, definition is near-end apart from one end that operator is relatively near, and one end relatively far away apart from operator is far-end.
Refer to Fig. 1 and Fig. 2, adjustable bending device 100 comprises adjustable bending sheath tube 10 and is contained in the sheath core 20 in adjustable bending sheath tube 10.
See also Fig. 3 to Fig. 8, adjustable bending sheath tube 10 comprises the tubular body 11 of hollow, traction fiber 12 and handle 13.Described tubular body 11 has one and has elastic far-end 111 and the near-end 115 hard compared with far-end 111.Near-end 115 is connected with handle 13.Tubular body 11 also comprises at least one delivery lumen 112, with delivery instrument (such as atrial septal defect plugging device, ventricular septal defect etc.), medicine or body fluid to precalculated position.Traction fiber 12 is contained in the tube wall of tubular body 11 along the axis of tubular body 11, and its one end with to be located in far-end 111 tube wall and the anchor ring 113 coaxial with far-end 111 is connected, the other end is connected with handle 13.Operating grip 13, namely traction fiber 12 drives the far-end 111 of tubular body 11 to be adjusted to predetermined angular by tractive anchor ring 113.Described predetermined angular be 0 degree to the unspecified angle in 180 degree.Sheath core 20 is contained in tubular body 11 movably, has the inner chamber 21 of the near-end running through sheath the core 20 and far-end that can pass for seal wire in it.The near-end of sheath core 20 passes the far-end 111 of tubular body 11, scratches blood vessel wall to prevent the far-end 111 of tubular body 11 when Ink vessel transfusing moves.
Handle 13 comprises breeches joint 131, slide block 133, revolves cylinder 135, end cap 137 and T connector 139.Breeches joint 131 has a primary branch 1311, and one to be connected with primary branch 1311 and with the side branch 1313 of the axes intersect of tubular body 11.
Primary branch 1311 is connected with tubular body 11 and the tube chamber of primary branch 1311 is connected with the inner chamber 112 of tubular body 11.Side branch 1313 extends from the side of primary branch 93, and is connected with primary branch 93.The length about 5 ~ 10cm of side branch 1313 and the external diameter about 0.5 ~ 1cm of side branch 1313.The angle of 10 ° ~ 70 ° is had between the longitudinal axis of the longitudinal axis of the tube chamber of primary branch 1311 and the tube chamber of side branch 1313.Longitudinal axis along side branch 1313 arranges the guide groove 1315 of two relative width about 0.2 ~ 0.5cm.The scope that the length of preferred guide groove 1315 accounts for the length of side branch 1313 is 30% ~ 90%, and guide groove 1315 is in long and narrow frame-shaped.Also be provided with a default keeper 1317 in side branch 1313, for when the far-end 111 of tubular body 11 is adjusted to predetermined angular, prevent the far-end of tubular body 11 from bending further.In the present embodiment, keeper 1317 is alignment pin, and the end of side branch 1313 away from tubular body 11 is fixed in its one end, and the end face of the other end is towards slide block 133, and its length is 26 millimeters; Described predetermined angular is 91 degree.Be understandable that, described predetermined angular can set as required, and the length of keeper 1317 also can set as required.
Slide block 133 is placed in side branch 1313, and comparatively keeper 1317 is near tubular body 11, and can along the longitudinal axis translation of guide groove 1315.One end of slide block 133 is connected with the near-end of traction fiber 12, the far-end 111 of tubular body 11 can be driven to be adjusted to predetermined angular with the slide block 133 and traction fiber 12 that make movement.In the present embodiment, refer to Fig. 4 to Fig. 5, slide block 133 is rectangular structure, the contact internal walls that its pair of parallel side is relative with side branch 1313 respectively, and its separately pair of parallel side arranges teeth 1331 respectively, and teeth 1331 give prominence to guide groove 1315.Slide block 133 can use metal (as rustless steel) or macromolecular material to make.The color of slide block 133 differs from the color of side branch 24.Side branch 1313 can make of light color (as white or light blue) material; Slide block 133 uses the material of color comparatively dark (as redness, black or navy blue) to be made, and the plastics (POM, PA, ABS etc.) that such as hardness is higher, adopt machining or the molding of injection molding mode.In addition, at the root of the close primary branch 1311 of side branch 1313, a position-arresting disk 1319 can be set, the internal diameter revolving cylinder 135 is less than the maximum gauge of position-arresting disk 1319, when cylinder 135 is revolved in rotation, position-arresting disk 1319 is held and is revolved cylinder 135 to resist the pulling force of traction fiber, ensures to revolve steadily rotating freely of cylinder 135.
Revolving cylinder 135 is cylinders slightly longer or isometric than guide groove 1315, and it can be enclosed within and side branch 1313 freely rotates and is closed by guide groove 1315.The inwall revolving cylinder 135 is provided with the spiral teeth groove 1351 mated with the teeth 1331 of slide block 133.Slide block 133 does straight reciprocating motion by cylinder 135 driving of revolving of rotating, and pulls the traction fiber 4 be connected with slide block 133, the angle of bend of the far-end of tubular body 1 is changed.Revolving cylinder 135 can adopt transparent material to make, the plastics that such as PC, PS, PET etc. are transparent, can see side branch 1313 through revolving cylinder 135, and ensures to see through revolving cylinder 135 slide block 133 revolved in cylinder 135 from different directions.
End cap 137 is fixedly connected on the end of side branch 1313 away from primary branch 1311, departs from side branch 1313 for anti-spin-ended cylinder 135.In the present embodiment, end cap 137 is circular and the external diameter of end cap 137 is greater than the internal diameter revolving cylinder 135.Be understandable that, end cap 137 also can be square, triangle or pentagon, as long as its external diameter of a circle is greater than the internal diameter revolving cylinder 135.
Alternatively, T connector 139 can be connected with three-way valve (not shown) by flexible pipe, a ring cowling 11 is set at the near-end of T connector 139, liquid or extracting bodily fluid can be injected by syringe or other apparatus connecting tee valves in the delivery lumen of tubular body 11.
Operator only needs rotation to revolve cylinder 135, now teeth groove 1351 keeps being engaged with the teeth 1331 of slide block 133, moving axially of cylinder 135 is revolved on slide block 133 edge under the restriction of guide groove 1315, revolve cylinder 135 two ends respectively limited dish 27 and end cap 137 limit, teeth groove 1351 to rotate but cannot along the axial translation revolving cylinder 135 along with revolving cylinder 135.When revolving cylinder 135 and rotating clockwise, slide block 133 shifts to end cap 137 from position-arresting disk 27, pulling force in traction fiber 4 increases, the bent angle of the far-end of tubular body 11 is forced to increase, when slide block 133 contacts with keeper 1317, slide block 133 cannot rotate clockwise again, namely points out the far-end of operator's adjustable bending sheath tube 10 modulated to predetermined angular.When revolve cylinder 135 do counterclockwise rotate time, slide block 133 returns to position-arresting disk 27, and the pulling force in traction fiber 4 reduces, and the bent angle of the far-end of tubular body 11 reduces.Lock control slide block 133 gets back to position-arresting disk 27, then stretch section 5 recovers initial naturalness automatically.
The present embodiment is by adopting keeper can the end points of transitional zone at near-end restriction slide block, make the movable distance of slide block corresponding with the far-end angle of bend of adjustable bending sheath, only slide block need be moved to contact with keeper in operation technique and can realize the far-end angle of bend of adjustable bending sheath to predetermined angular, therefore the adjustable bending sheath tube that this utility model provides can make the tune bending angle of sheath pipe far-end reach predetermined angular fast accurate, shorten operating time, reduce the operation risk of patient.
Those skilled in the art are appreciated that, after the far-end of adjustable bending sheath tube is adjusted to predetermined angular by operator, the angle of the far-end of lower adjustable bending sheath tube can be finely tuned as required, make the angle of bend of the far-end of adjustable bending sheath tube smaller compared with predetermined angular, to adapt to the different patient of anatomical structure.
Refer to Fig. 9 and Figure 10, the handle 13a of the adjustable bending sheath tube that this utility model second embodiment provides comprises side branch 1313a and is contained in the slide block 133a in side branch 1313a.Side branch 1313a is identical substantially with side branch 1313a, and difference is, the keeper 1317a of side branch 1313a defaults in the projection on the inwall of side branch 1313a.
By reference to the accompanying drawings embodiment of the present utility model is described above; but this utility model is not limited to above-mentioned detailed description of the invention; above-mentioned detailed description of the invention is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; do not departing under the ambit that this utility model aim and claim protects, also can make a lot of form, these all belong within protection of the present utility model.
Claims (10)
1. an adjustable bending sheath tube, the handle comprising tubular body, traction fiber and be connected with described tubular body, described handle comprises the side branch with described tubular body axes intersect, being provided with in described side branch can along the slide block of this side branch translation, described traction fiber one end is fixed on described slide block, the other end is fixed on the far-end of described tubular body, it is characterized in that, also keeper is provided with in described side branch, the more described slide block of described keeper is away from described tubular body, when described slide block move to contact with described keeper time, the far-end of described tubular body is bent to predetermined angular.
2. adjustable bending sheath tube according to claim 1, is characterized in that, described keeper is alignment pin, and the end of described side branch away from tubular body is located in one end of described keeper, and the end face of the other end is towards described slide block.
3. adjustable bending sheath tube according to claim 1, is characterized in that, described keeper is be located at the projection on side branch inwall.
4. the adjustable bending sheath tube according to Claims 2 or 3, it is characterized in that, the bilateral of described slide block has teeth, described handle comprises being placed on and on described side branch and free to rotate revolves cylinder, described side branch is provided with the guide groove along its Axis Extension, described slide block can along described guide groove translation, described in revolve cylinder inwall be provided with the spiral teeth groove mated with the teeth of described slide block.
5. adjustable bending sheath tube according to claim 4, is characterized in that, described side branch is equipped with a position-arresting disk near the root of described tubular body, described in revolve cylinder internal diameter be less than the maximum gauge of described position-arresting disk.
6. adjustable bending sheath tube according to claim 4, is characterized in that, described side branch is provided with end cap away from the end of described tubular body, revolves the internal diameter of cylinder described in the external diameter of described end cap is greater than.
7. adjustable bending sheath tube according to claim 4, is characterized in that, the length of described guide groove accounts for nine ten ten to percent 3 percent of the length of described side branch.
8. adjustable bending sheath tube according to claim 1, is characterized in that, described predetermined angular is be less than the unspecified angle of 180 degree.
9. adjustable bending sheath tube according to claim 1, is characterized in that, the length range of described side branch be 5 centimetres to 10 centimetres and the external diametrical extent of described side branch is 0.5 centimetre to 1 centimetre.
10. adjustable bending sheath tube according to claim 1, it is characterized in that, described handle also comprises the primary branch communicated with described tubular body near-end, and the scope of the angle between the axis of the axis of the tube chamber of described primary branch and the tube chamber of described side branch is 10 degree to 70 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520737127.1U CN205181963U (en) | 2015-09-22 | 2015-09-22 | Adjustable bent sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520737127.1U CN205181963U (en) | 2015-09-22 | 2015-09-22 | Adjustable bent sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205181963U true CN205181963U (en) | 2016-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520737127.1U Active CN205181963U (en) | 2015-09-22 | 2015-09-22 | Adjustable bent sheath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205181963U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105251094A (en) * | 2015-09-22 | 2016-01-20 | 先健科技(深圳)有限公司 | Bendable sheathing canal |
| CN110292464A (en) * | 2018-03-22 | 2019-10-01 | 杭州启明医疗器械股份有限公司 | Adjustable bending intervenes valve delivery system |
-
2015
- 2015-09-22 CN CN201520737127.1U patent/CN205181963U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105251094A (en) * | 2015-09-22 | 2016-01-20 | 先健科技(深圳)有限公司 | Bendable sheathing canal |
| US10779807B2 (en) | 2015-09-22 | 2020-09-22 | Lifetech Scientific (Shenzhen) Co. Ltd. | Steerable sheath tube and method for occluding atrial septal defect |
| CN110292464A (en) * | 2018-03-22 | 2019-10-01 | 杭州启明医疗器械股份有限公司 | Adjustable bending intervenes valve delivery system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |