CN209499855U - Blood vessel reverses end for end sheath - Google Patents
Blood vessel reverses end for end sheath Download PDFInfo
- Publication number
- CN209499855U CN209499855U CN201821727307.1U CN201821727307U CN209499855U CN 209499855 U CN209499855 U CN 209499855U CN 201821727307 U CN201821727307 U CN 201821727307U CN 209499855 U CN209499855 U CN 209499855U
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- China
- Prior art keywords
- sheath
- sealing element
- elastic sealing
- guide sheath
- blood vessel
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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 discloses a kind of blood vessels to reverse end for end sheath, is related to the field of medical instrument technology, includes the sheath tube socket for being connected to sheath proximal end, and the side wall of sheath is equipped with guide sheath channel, and the distal end in guide sheath channel is equipped with the segmental arc led on the outside of sheath；Branch pipe is equipped in sheath tube socket side, the first elastic sealing element is equipped with by annular pressing plate in branch pipe, guide sheath is coated on first elastic sealing element, the distal end of guide sheath is protruded into guide sheath channel, proximal end is connected with handle, and handle is equipped with the through-hole of connection guide sheath and the second elastic sealing element is housed, and the middle part of the first elastic sealing element and the second elastic sealing element is equipped with joint-cutting, the distal end of guide sheath is equipped with adjustable curved segment, and adjustable curved segment is in 180 degree bending in a free state.Compared with prior art, as long as the utility model carries out a vascular puncture, so that it may vagina vasorums successively are introduced to two opposite directions of blood vessel, avoid twice puncture vessel secondary injury is caused to patient, shorten operating time.
Description
Technical field
The utility model relates to the field of medical instrument technology, especially a kind of blood vessel for the shallow vascular puncture of table is reversed end for end
Sheath.
Background technique
Minimally Interventional Therapy is that utensil or drug are placed to disease with the smallest wound under the guiding of medical imaging device
Become tissue, the minimal invasive techniques that physics is carried out to it, is mechanically or chemically treated.Interventional therapy is needed from establishing one to intravascular in vitro
A channel is inserted into blood vessel using vagina vasorum percutaneous puncture, utensil or drug is transported to diseased region by vagina vasorum and controlled
It treats.The vagina vasorum being commonly used, includes the sheath tube socket for being connected to sheath proximal end, and sheath tube socket is equipped with connection sheath and extends
To the cavity of outer end, the sealing element made of elastic material is housed in sheath outer socket end, the middle part of sealing element is equipped with joint-cutting；Sheath
The side of seat is connected with triple valve by hose.When interventional therapy, needle core is taken out after puncture needle is inserted into blood vessel, then by seal wire
Needle guard is taken out from being advanced to after blood vessel in needle guard, then blood vessel sheath is inserted into blood vessel along seal wire on seal wire, taking out seal wire is
Utensil or drug diseased region can be transported to by vagina vasorum to treat.Vagina vasorum is to enter blood vessel in one direction,
There is lesion to need to treat if opposite direction is intravascular, to carry out second of puncture in opposite direction and be re-introduced into vagina vasorum, it will be to trouble
Person causes secondary injury, extends operating time.
Utility model content
The problem to be solved by the utility model is to provide a kind of blood vessels to reverse end for end sheath, it can solve at present the two of blood vessel
When a opposite direction introduces vagina vasorum, Yao Jinhang twice puncture vessel the problem of.
To solve the above-mentioned problems, the technical solution adopted in the utility model is: this blood vessel reverses end for end sheath, includes connection
Sheath tube socket in sheath proximal end, the side wall of the sheath are equipped with guide sheath channel, and the distal end in the guide sheath channel, which is equipped with, to be led to
Segmental arc on the outside of the sheath；It is equipped with branch pipe in sheath tube socket side, passes through annular pressing plate in the branch pipe and is equipped with first
Elastic sealing element is coated with guide sheath on first elastic sealing element, and it is logical that the guide sheath is protruded into the distal end of the guide sheath
In road, proximal end is connected with handle, and the handle is equipped with the through-hole for being connected to the guide sheath and the second elastic sealing element is housed, described
The middle part of first elastic sealing element and second elastic sealing element is equipped with joint-cutting；The distal end of the guide sheath is equipped with adjustable bending
Section, the adjustable curved segment are in 180 degree bending in a free state.
In above-mentioned blood vessel u-turn sheath technical solution, more specific technical solution may also is that be set on the branch pipe
Cover, the cover have cylinder and cover board, and the guide sheath passes through the cover board and the cover is rotatablely connected, in the ring
Spring is housed between shape pressing plate and the cover board；Two cards that the lower part of the cover is equipped with inner side baffle and stretches out outward
Pin；The top of the branch pipe is equipped with outer side baffle, and lower part is equipped with boss, and the boss is equipped with elasticity corresponding with the bayonet lock
Clamping plate.
Further, the cover board is equipped with annular groove, and the guide sheath is equipped with the ring flat-plate with the annular groove clearance fit,
The top of the ring flat-plate is equipped with the annular stop plate being installed on the cover board.
Further, spring retainer groove is respectively equipped on the cover board and the annular pressing plate.
Further, first elastic sealing element and second elastic sealing element use silica gel sealing piece.
One end that the utility model sheath is inserted into blood vessel is distal end.
By adopting the above-described technical solution, the utility model has the following beneficial effects: compared with prior art
1, in interventional therapy, this blood vessel u-turn sheath is introduced in one direction to vascular puncture, utensil or drug pass through it
Sheath is transported to diseased region and is treated, and after the completion of direction lesions treatment, holds handle and guide sheath is pushed to stretch its distal end
Out on the outside of sheath, since the distal end of guide sheath is equipped with adjustable curved segment, adjustable curved segment is bent in 180 degree after stretching out on the outside of sheath, turns
Fixed handle adjusts the bending part position of adjustable curved segment, and adjustable curved segment is avoided to be adjacent to sheath pipe outer wall；Seal wire can be passed through the at this time
Two elastic sealing elements, guide sheath simultaneously stretch out adjustable curved segment, and wire distal is bent in 180 degree, hold handle and guide sheath is pulled to make it
Distally in retraction induced sheath channel, this blood vessel u-turn sheath is then taken out, the seal wire for being located at extravascular is turned into 180 degree, then will
Another vagina vasorum introduces the opposite direction of blood vessel by seal wire, can treat to the diseased region of opposite direction.This is practical new
Type only needs to carry out a vascular puncture, so that it may successively vagina vasorum is introduced to two opposite directions of blood vessel, to blood vessel phase negative side
To diseased region treated, avoid twice puncture vessel secondary injury is caused to patient, shorten operating time.
2, the outer side baffle of branch pipe and the inner side baffle of cover are abutted against by spring, the distal end of guide sheath is kept to be located at
In guide sheath channel.When the distal end of guide sheath being needed to stretch out on the outside of sheath, cover is pushed down on along branch pipe, spring is compressed,
It is inserted into two bayonet locks respectively in corresponding Elastic clamping plate, guide sheath is mobile with cover and stretches out its adjustable curved segment outside sheath
Side, rotational handle adjusts the bending part position of adjustable curved segment, adjustable curved segment is avoided to be adjacent to sheath pipe outer wall, conducive to seal wire is installed.
When needing in the retraction induced sheath channel in the distal end of guide sheath, cover is pulled to separate two bayonet locks with Elastic clamping plate, in spring
Under effect, cover drives guide sheath return, simple to operate.
3, cover board is equipped with annular groove, and guide sheath is equipped with the ring flat-plate with annular groove clearance fit, is equipped with and clamps in the top of ring flat-plate
Annular stop plate on the cover board；Guide sheath is mobile with cover, and can rotate relative to cover, and the structure is simple, compact, system
It makes at low cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment.
Fig. 2 is the partial enlarged view in Fig. 1 at I.
Fig. 3 is the cross-sectional view in Fig. 1 at A-A.
Fig. 4 is K direction view in Fig. 1.
Fig. 5 is the left view of Fig. 4.
Fig. 6 is the structural schematic diagram of cover in the utility model embodiment.
Fig. 7 is that the adjustable curved segment of guide sheath in the utility model embodiment stretches out the schematic diagram on the outside of sheath.
Fig. 8 be II in Fig. 7 at partial enlarged view.
Fig. 9 is P direction view in Fig. 7.
Figure 10 is the left view of Fig. 9.
Specific embodiment
The utility model is described in further detail for embodiment with reference to the accompanying drawing:
A kind of blood vessel as shown in Figure 1, Figure 2, Figure 3 shows reverses end for end sheath, includes the sheath tube socket 3 for being connected to 1 proximal end of sheath, sheath
Triple valve 14 is connected with by hose 13 on seat 3.The side wall of sheath 1 has guide sheath channel, and the distal end in guide sheath channel has
Lead to the segmental arc in 1 outside of sheath.There is the branch pipe 4 of connection 3 inner cavity of sheath tube socket in 3 side of sheath tube socket, pass through annular in branch pipe 4
Pressing plate 6 is equipped with the first elastic sealing element 5, is coated with guide sheath 2 on the first elastic sealing element 5, guidance is protruded into the distal end of guide sheath 2
In sheath channel, proximal end is connected with handle 9, and handle 9 is equipped with the through-hole of connection guide sheath 2, passes through annular buckle dress in through-hole outer end
There is the second elastic sealing element 10, the middle part of the first elastic sealing element 5 and the second elastic sealing element 10 has joint-cutting, and the first elasticity is close
Sealing 5 and the second elastic sealing element 10 use silica gel sealing piece, and joint-cutting is opened in the center of silica gel sealing piece.Guide sheath 2
It is in 180 degree bending that distal end has adjustable curved segment 2-1, adjustable curved segment 2-1 in a free state, can be straightened under external force.
Cover 7 is set on branch pipe 4, cover 7 has cylinder 7-3 and cover board 7-2, and guide sheath 2 passes through cover board 7-2 and cylinder
Lid 7 is rotatablely connected, and cover board 7-2 is equipped with annular groove, the ring flat-plate 8 with annular groove clearance fit is connected in guide sheath 2, in the upper of ring flat-plate 8
Side has the annular stop plate 11 being installed on cover board 7-2.It is respectively equipped with spring retainer groove on cover board 7-2 and annular pressing plate 6,
Spring 12 is housed between annular pressing plate 6 and cover board 7-2.The lower part of cover 7 has inner side baffle 7-4 and stretch out outward two
Bayonet lock 7-1；The top of branch pipe 4 has outer side baffle, and lower part has boss 4-2, is equipped on boss 4-2 corresponding with bayonet lock 7-1
The clamping force of Elastic clamping plate 4-1, two Elastic clamping plate 4-1 are greater than the screen resilience of spring 12, as shown in Fig. 4, Fig. 5, Fig. 6.
In interventional therapy, this blood vessel u-turn sheath is introduced in one direction to vascular puncture, utensil or drug pass through its sheath
Pipe 1 is transported to diseased region and is treated, and after the completion of direction lesions treatment, cover 7 is pushed down on, and spring 12 is compressed,
It is inserted into two bayonet lock 7-1 respectively in corresponding Elastic clamping plate 4-1, guide sheath 2 is mobile with cover 7 and makes its adjustable curved segment 2-1
It stretches out on the outside of sheath 1 and is bent in 180 degree, as shown in Fig. 7, Fig. 8, Fig. 9, Figure 10.Rotational handle 9 adjusts the curved of adjustable curved segment 2-1
Bent portions position avoids adjustable curved segment 2-1 from being adjacent to 1 outer wall of sheath.Seal wire can be passed through to the second elastic sealing element 10, guidance at this time
Sheath 2 simultaneously stretches out adjustable curved segment 2-1, and wire distal is bent in 180 degree, and cover 7 is pulled to make two bayonet lock 7-1 and Elastic clamping plate 4-1
Separation, under the action of spring 12, cover 7 drives 2 return of guide sheath, and adjustable curved segment 2-1 is retracted in guide sheath channel.Then
This blood vessel u-turn sheath is taken out, the seal wire for being located at extravascular is turned into 180 degree, then another vagina vasorum is introduced into blood by seal wire
The opposite direction of pipe can treat the diseased region of opposite direction.It is passed through used in sheath 1 and guide sheath 2 in the present embodiment
Seal wire diameter is 0.014in (inch).The utility model only needs to carry out a vascular puncture, so that it may successively to blood vessel two
Opposite direction introduce vagina vasorum, the diseased region of blood vessel opposite direction is treated, avoid twice puncture vessel patient is made
It is simple to operate at secondary injury, shorten operating time.
Claims (6)
- It include the sheath tube socket (3) for being connected to sheath (1) proximal end, it is characterised in that: the sheath 1. a kind of blood vessel reverses end for end sheath (1) side wall is equipped with guide sheath channel, and the distal end in the guide sheath channel is equipped with the segmental arc led on the outside of the sheath (1)； Branch pipe (4) are equipped in sheath tube socket (3) side, the first elastic sealing element is housed by annular pressing plate (6) in the branch pipe (4) (5), it is coated with guide sheath (2) on first elastic sealing element (5), the guide sheath is protruded into the distal end of the guide sheath (2) In channel, proximal end is connected with handle (9), and the handle (9) is equipped with the through-hole for being connected to the guide sheath (2) and equipped with the second elasticity The middle part of sealing element (10), first elastic sealing element (5) and second elastic sealing element (10) is equipped with joint-cutting；It is described to draw The distal end of lead sheath (2) is equipped with adjustable curved segment (2-1), and the adjustable curved segment (2-1) is bent in 180 degree in a free state.
- 2. blood vessel reverses end for end sheath according to claim 1, it is characterised in that: be set with cover (7), institute on the branch pipe (4) Cover (7) are stated with cylinder (7-3) and cover board (7-2), the guide sheath (2) passes through the cover board (7-2) and the cover (7) Rotation connection is equipped with spring (12) between the annular pressing plate (6) and the cover board (7-2)；The lower part of the cover (7) is set Two bayonet locks (7-1) for having inner side baffle (7-4) and stretching out outward；The top of the branch pipe (4) is equipped with outer side baffle, lower part Equipped with boss (4-2), the boss (4-2) is equipped with Elastic clamping plate (4-1) corresponding with the bayonet lock (7-1).
- 3. blood vessel reverses end for end sheath according to claim 2, it is characterised in that: the cover board (7-2) is equipped with annular groove, the guide sheath (2) it is equipped with the ring flat-plate (8) with the annular groove clearance fit, is equipped in the top of the ring flat-plate (8) and is installed on the cover board (7- 2) annular stop plate (11) on.
- 4. the blood vessel according to Claims 2 or 3 reverses end for end sheath, it is characterised in that: in the cover board (7-2) and the annular pressing plate (6) spring retainer groove is respectively equipped on.
- 5. according to claim 1 or 2 or 3 blood vessels reverse end for end sheath, it is characterised in that: first elastic sealing element (5) and institute The second elastic sealing element (10) are stated using silica gel sealing piece.
- 6. blood vessel reverses end for end sheath according to claim 4, it is characterised in that: first elastic sealing element (5) and described second Elastic sealing element (10) uses silica gel sealing piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821727307.1U CN209499855U (en) | 2018-10-24 | 2018-10-24 | Blood vessel reverses end for end sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821727307.1U CN209499855U (en) | 2018-10-24 | 2018-10-24 | Blood vessel reverses end for end sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209499855U true CN209499855U (en) | 2019-10-18 |
Family
ID=68192669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821727307.1U Expired - Fee Related CN209499855U (en) | 2018-10-24 | 2018-10-24 | Blood vessel reverses end for end sheath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209499855U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115253027A (en) * | 2022-07-27 | 2022-11-01 | 中南大学湘雅三医院 | Multi-channel vascular sheath |
-
2018
- 2018-10-24 CN CN201821727307.1U patent/CN209499855U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115253027A (en) * | 2022-07-27 | 2022-11-01 | 中南大学湘雅三医院 | Multi-channel vascular sheath |
| CN115253027B (en) * | 2022-07-27 | 2024-05-24 | 中南大学湘雅三医院 | Multichannel vascular sheath |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191018 Termination date: 20211024 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |