CN109350323A - Distally flexible double bracket implanted device - Google Patents
Distally flexible double bracket implanted device Download PDFInfo
- Publication number
- CN109350323A CN109350323A CN201811489242.6A CN201811489242A CN109350323A CN 109350323 A CN109350323 A CN 109350323A CN 201811489242 A CN201811489242 A CN 201811489242A CN 109350323 A CN109350323 A CN 109350323A
- Authority
- CN
- China
- Prior art keywords
- inner tube
- distal end
- middle pipe
- flexible
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/005—Flexible endoscopes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/962—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve
- A61F2/966—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve with relative longitudinal movement between outer sleeve and prosthesis, e.g. using a push rod
Abstract
The invention discloses a kind of flexible double bracket implanted devices in distal end, including the inner tube, the tube and the outer tube set gradually from inside to outside, the distal end of inner tube is interspersed to be connected with flexible soft head, first support is compressed in space between outer tube and inner tube, distal end of the both ends of first support respectively with the proximal end of flexible soft head and middle pipe abuts against；It is arranged with short ejector sleeve between middle pipe and inner tube, is compressed with second support in the space between middle pipe and inner tube, the both ends of the second support are abutted against with the distal end of middle pipe and the distal end of short ejector sleeve；Outer tube can be moved forward and backward relative to middle pipe, and outer tube recession or middle pipe and inner tube move forward together, so that first support discharges in the space between outer tube and inner tube；After release, second support is pushed into substitute first support in the space between outer tube and inner tube by short ejector sleeve Forward；It is symmetrically connected on flexible soft head for controlling its curved operation silk, which passes through inner tube and stretch out, and pull operation silk can drive flexible soft head bending.
Description
Technical field
The present invention relates to the flexible double branch of a kind of stenter to implant device of medical instruments field more particularly to a kind of distal end
Frame implanted device.
Background technique
Interventional therapy is one and has merged the new branch of science that diagnostic imaging and clinical treatment are integrated, since it is in image
Equipment will be intervened by human body natural duct or small wound under equipment guidance and import body foci's progress minimally-invasive treatment, therefore
Have many advantages, such as that accurate, safe and efficient, wide indications, few intercurrent disease, wound are small, post-operative recovery is rapid, has become some diseases
The preferred treatment method of disease, and become the clinic three big pillar subject one of arranged side by side with traditional Medicine and Surgery.Common implanting device
Into body cavities corner, corner can not be continued through, operation risk is caused to increase or operative failure.
Therefore, the urgent need to resolve above problem.
Summary of the invention
Goal of the invention: body cavities corner can be passed through the object of the present invention is to provide one kind and can disposably be discharged
Two brackets make operation be capable of the flexible double bracket implanted device in distal end of smooth safe and efficient progress.
Technical solution: in order to achieve the above object, the invention discloses a kind of flexible double bracket implanted device in distal end, packet
The inner tube, the tube and the outer tube set gradually from inside to outside are included, the distal end of said inner tube, which is interted, is connected with flexible soft head, described outer
Manage and be compressed with first support in the space between inner tube, the both ends of the first support respectively with the proximal end of flexible soft head and
The distal end of middle pipe abuts against；Short ejector sleeve, the space internal pressure between the middle pipe and inner tube are arranged between the middle pipe and inner tube
Contracting has second support, and the both ends of the second support are abutted against with the distal end of middle pipe and the distal end of short ejector sleeve；The outer tube can be opposite
Yu Zhongguan is moved forward and backward, and outer tube recession or middle pipe and inner tube move forward together, so that first support is between outer tube and inner tube
It is discharged in space and restores reset condition；After releasing first support, second support is pushed into outer tube and inner tube by short ejector sleeve Forward
Between space in substitute first support；It is symmetrically connected on the flexible soft head for controlling its curved operation silk, it should
Operation silk passes through inner tube and stretches out, and pull operation silk can drive flexible soft head bending.
Wherein, the flexible soft head includes the flexible soft head of cone cell and the flexible interconnecting piece of column, the column bendable
It is uniformly provided with several grooves on the outer wall of bent interconnecting piece and forms several terminal pads；The distal end of the operation silk and cone cell
Flexible soft head is fixedly connected, and sequentially passes through terminal pad.
Preferably, both the flexible soft head of the cone cell and the flexible interconnecting piece of column are integrally formed.
Furthermore the proximal outer tube is connected with front hand grip, it can be moved forward and backward along middle pipe outer wall under the drive of front hand grip；
The middle pipe and inner tube proximal end are connected with back handle, can be moved forward and backward together along outer tube wall both under the drive of back handle；
Outer tube recession or middle pipe and inner tube move forward together, so that first support discharges and restores in the space between outer tube and inner tube
Reset condition.
Preferably, it is connected with fluid injection connector on the back handle, which is connected with inner tube.
Furthermore the operation silk passes through inner tube and is fixedly connected with the operation button being arranged on back handle, the operation button
It can move back and forth along back handle, while pull operation silk ribbon moves flexible soft head unilateral side bending.
Further, the distal end inner wall of the middle pipe is equipped with stop block.
Preferably, there is the boosting ring stretched out outside outer tube on the short ejector sleeve, offered respectively on the middle pipe and outer tube
Boosting sliding slot corresponding with boosting ring.
Further, boosting steel pipe is arranged between the middle pipe and inner tube.
Furthermore said inner tube is multi-lumen tube, and internal have silk guide passage, operation silk channel and a reservoir channel, it is described can
It is bent and offers the thread eye being connected with silk guide passage, the liquid injection hole being connected with reservoir channel on soft head, lead to operation silk
The operation silk connecting hole that road is connected, and the connecting hole being connected with inner tube.
The utility model has the advantages that compared with prior art, the present invention has following remarkable advantage: passing through first when can not be successfully in art
When body cavities corner, the flexible double bracket implanted device in present invention distal end moves flexible soft head unilateral side using operation silk ribbon
Curved design can be carried out and control flexible soft head turning by operation button to pass through body cavities corner, after
It can proceed with this instrument or other instruments assisted to carry out instrumentation by this corner；High degree of the present invention simplifies instrument
Operation difficulty and perforation risk when by body cavities bent angle, save the operating time, improve operational safety, be both suitble to disappear
Change the interventional imaging treatment in road and check, also the interventional imaging treatment and inspection in respirability road；Secondly inner tube of the invention is set
It is calculated as multi-lumen tube, changes traditional interventional therapy, repeated overlapping is needed to replace a variety of instruments, time long difficulty in operating process
Height is easy to happen the pernicious malpractices such as perforation；High degree simplifies interventional procedure, improves operational safety, reduces
Instrument usage quantity more alleviates the health care expenditures of patient；Furthermore the present invention can disposably discharge two brackets, contract significantly
Short bracket discharges operating time, reduces patient due to secondary disengaging implanting device bring pain and the probability infected.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is inner tube end face schematic diagram in the present invention；
Fig. 3 is the schematic cross-section of flexible soft head in the present invention；
Fig. 4 is the end view of flexible soft head in the present invention；
Fig. 5 is the partial schematic diagram of short ejector sleeve and middle pipe in the present invention.
Specific embodiment
Technical solution of the present invention is described further with reference to the accompanying drawing.
As shown in Figure 1, a kind of flexible double bracket implanted device in distal end of the present invention, including inner tube 1, middle pipe 2, outer tube 3,
Flexible soft head 4, first support 5, short ejector sleeve 6, second support 7, operation silk 8, front hand grip 9, back handle 10, fluid injection connector 11,
Operation button 12 and boosting steel pipe 13.Inner tube 1, middle pipe 2 and outer tube 3 of the invention is set gradually from inside to outside, outer tube 3 and inner tube
Be compressed with first support 5 in space between 1, the both ends of first support 5 respectively with the proximal end of flexible soft head 4 and middle pipe 2
Distal end abuts against；3 proximal end of outer tube is connected with front hand grip 9, it can be moved forward and backward along middle 2 outer wall of pipe under the drive of front hand grip 9；In
Pipe 2 and 1 proximal end of inner tube are connected with back handle 10, can be moved forward and backward together along 3 inner wall of outer tube both under the drive of back handle 10；
The recession of outer tube 3 or middle pipe 2 and inner tube 1 move forward together, so that first support 5 discharges in the space between outer tube 3 and inner tube 1
And restore reset condition.It is arranged with short ejector sleeve 6 between middle pipe 2 and inner tube 1, there is the boosting ring stretched out outside outer tube on short ejector sleeve 6
601, boosting sliding slot corresponding with boosting ring 601 is offered respectively on the middle pipe 2 and outer tube 3.Between middle pipe 2 and inner tube 1
Space in be compressed with second support 7, the both ends of the second support 7 are abutted against with the distal end of middle pipe 2 and the distal end of short ejector sleeve 6；
After releasing first support 5, boosting ring 601 is pushed forward along boosting sliding slot, and short ejector sleeve 6 moves forward, second support 7 is pushed into
First support 5 is substituted in space between outer tube 3 and inner tube 1；The movement for repeating release first support 5, can discharge second again
Frame 7.The inner wall wall thickness of middle pipe 2 is different, relatively thin equipped with the wall thickness at second support and short ejector sleeve 6 in middle pipe 2, middle pipe 2 it is later half
Be arranged with boosting steel pipe 13 between section and inner tube 1, boosting steel pipe 13 be used to reinforce in pipe 2 and inner tube 1 intensity, in order to from outer
When pipe 3 releases first support 5, middle pipe 2 and inner tube 1 provide enough support forces without being bent.In the distal end of middle pipe 2
Wall is equipped with stop block 201, and during discharging first support 5, forward in promotion when pipe, stop block 201 can stop second
Frame 7 skids off middle pipe, as shown in Figure 5.
The material of outer tube of the invention is polytetrafluoroethylene material；Length can according to for breathing, the difference of alimentary canal etc.
It needs and processes different preferred lengths.The effect of outer tube is that collaboration is flexible soft first with body cavities are passed through, to make it
His instrument or component pass through required position.Middle pipe of the invention is to be sent to human body certainly for releasing the bracket in outer tube
The diseased region of right cavity.The effect of front hand grip is operator's handgrip part during implanting device enters body cavities.Such as
Shown in Fig. 2, inner tube 1 of the invention is multi-lumen tube, internal to have silk guide passage 101, operation silk channel 102 and reservoir channel
103, wherein operation silk channel 102 is 2.Back handle, which is used for each vestibule in impetus when releasing bracket and inner tube, to be led to
Later handle goes out to connect with other instruments.Fluid injection connector 11 is connected on back handle 10, the fluid injection of the fluid injection connector 11 and inner tube 1
Channel 103 is connected.
As shown in Figure 3 and Figure 4, the distal end of inner tube 1 of the invention, which is interted, is connected with flexible soft head 4, on flexible soft head 4
It is symmetrically connected with for controlling its curved operation silk 8.Flexible soft head 4 includes the flexible soft head 401 of cone cell and column can
It is bent interconnecting piece 402, several grooves is uniformly provided on the outer wall of the flexible interconnecting piece 402 of the column and forms several companies
Connect disk 403；The distal end of operation silk 8 is fixedly connected with the flexible soft head 401 of cone cell, and sequentially passes through terminal pad 403.Wherein bore
Both the flexible soft head 401 of shape and the flexible interconnecting piece 402 of column can be integrally formed, and offered and led on flexible soft head 4
Thread eye 404 that silk channel 101 is connected, the liquid injection hole 405 being connected with reservoir channel 103, with operate silk channel 102 and be connected
Logical operation silk connecting hole 406, and the connecting hole 407 being connected with inner tube 1.Operate the operation silk channel that silk 8 passes through inner tube 1
102 are fixedly connected with the operation button 12 being arranged on back handle 10, which can move back and forth along back handle 10, together
When pull operation silk 8 drive the unilateral bending of flexible soft head 4.After implanted device enters body cavities, human body chamber is encountered
Big bent angle position in road can carry out bending behaviour by flexible soft head of the operation button on back handle to implanted device distal end
Make, the curved distal end of implanted device is made to pass through the crooked position in body cavities.
The flexible double bracket implanted device in present invention distal end pushes operation button to implanted device after entering body cavities
Distally flexible soft head is operated, and so that it is passed through body cavities corner, and be sent to lesions position；Recession front hand grip,
The bracket among inner and outer tubes is released simultaneously；Short ejector sleeve is pushed again, and the second support among middle pipe and inner tube is pushed to
At former first support, the operation for discharging first support is repeated, second support is discharged；It, can be with other instruments after reaching appointed part
Alternating is used cooperatively.
Claims (10)
1. a kind of flexible double bracket implanted device in distal end, it is characterised in that: including the inner tube set gradually from inside to outside
(1), middle pipe (2) and outer tube (3), the distal end of said inner tube (1) is interspersed to be connected with flexible soft head (4), the outer tube (3) with it is interior
Pipe (1) between space in be compressed with first support (5), the both ends of the first support (5) respectively with flexible soft head (4)
Proximal end and the distal end of middle pipe (2) abut against；It is arranged with short ejector sleeve (6) between the middle pipe (2) and inner tube (1), the middle pipe (2)
Second support (7) are compressed in space between inner tube (1), the both ends of the second support (7) and the distal end of middle pipe (2) and short
The distal end of ejector sleeve (6) abuts against；The outer tube (3) can be moved forward and backward relative to middle pipe (2), outer tube (3) recession or middle pipe (2)
It moves forward together with inner tube (1), so that first support (5) discharges in the space between outer tube (3) and inner tube (1) and restores original
State；After releasing first support (5), second support (7) is pushed between outer tube (3) and inner tube (1) by short ejector sleeve (6) Forward
Space in substitute first support (5)；It is symmetrically connected on the flexible soft head (4) for controlling its curved operation silk
(8), which passes through inner tube (1) and stretches out, and pull operation silk (8) can drive flexible soft head (4) to be bent.
2. the flexible double bracket implanted device in distal end according to claim 1, it is characterised in that: the flexible soft head
It (4) include the flexible soft head (401) of cone cell and the flexible interconnecting piece of column (402), the flexible interconnecting piece of the column (402)
It is uniformly provided with several grooves on outer wall and forms several terminal pads (403)；The distal end of operation silk (6) can with cone cell
It is bent soft head (401) to be fixedly connected, and sequentially passes through terminal pad (403).
3. the flexible double bracket implanted device in distal end according to claim 2, it is characterised in that: the cone cell is flexible
Both soft head (401) and the flexible interconnecting piece of column (402) are integrally formed.
4. the flexible double bracket implanted device in distal end according to claim 1, it is characterised in that: the outer tube (3) is close
End is connected with front hand grip (9), it can be moved forward and backward along middle pipe (2) outer wall under the drive of front hand grip (9)；The middle pipe (2) and
Inner tube (1) proximal end is connected with back handle (10), can move before and after outer tube (3) inner wall together both under the drive of back handle (10)
It is dynamic；Outer tube (3) recession or middle pipe (2) and inner tube (1) move forward together, so that first support (5) is from outer tube (3) and inner tube (1)
Between space in discharge and restore reset condition.
5. the flexible double bracket implanted device in distal end according to claim 4, it is characterised in that: the back handle (10)
On be connected with fluid injection connector (11), which is connected with inner tube (1).
6. the flexible double bracket implanted device in distal end according to claim 4, it is characterised in that: the operation silk (8)
It is fixedly connected across inner tube (1) with the operation button (12) being arranged on back handle (10), which can be along defensive position
Handle (10) moves back and forth, while pull operation silk (8) drives the unilateral bending of flexible soft head (4).
7. the flexible double bracket implanted device in distal end according to claim 1, it is characterised in that: the middle pipe (2)
Distal end inner wall is equipped with stop block (201).
8. the flexible double bracket implanted device in distal end according to claim 1, it is characterised in that: the short ejector sleeve (6)
It is upper that there is the boosting ring (601) stretched out outside outer tube, it is offered respectively and boosting ring (601) phase on the middle pipe (2) and outer tube (3)
Corresponding boosting sliding slot.
9. the flexible double bracket implanted device in distal end according to claim 1, it is characterised in that: the middle pipe (2) and
Boosting steel pipe (13) are arranged between inner tube (1).
10. the flexible double bracket implanted device in distal end according to claim 1, it is characterised in that: said inner tube (1) is
Multi-lumen tube, it is internal that there is silk guide passage (101), operation silk channel (102) and reservoir channel (103), the flexible soft head
(4) thread eye (404) being connected with silk guide passage (101), the liquid injection hole being connected with reservoir channel (103) are offered on
(405), the operation silk connecting hole (406) being connected with operation silk channel (102), and the connecting hole being connected with inner tube (1)
(407)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811489242.6A CN109350323A (en) | 2018-12-06 | 2018-12-06 | Distally flexible double bracket implanted device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811489242.6A CN109350323A (en) | 2018-12-06 | 2018-12-06 | Distally flexible double bracket implanted device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109350323A true CN109350323A (en) | 2019-02-19 |
Family
ID=65331413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811489242.6A Withdrawn CN109350323A (en) | 2018-12-06 | 2018-12-06 | Distally flexible double bracket implanted device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109350323A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109771014A (en) * | 2019-03-15 | 2019-05-21 | 武汉唯柯医疗科技有限公司 | Adjustable bending atrial septal puncture system |
-
2018
- 2018-12-06 CN CN201811489242.6A patent/CN109350323A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109771014A (en) * | 2019-03-15 | 2019-05-21 | 武汉唯柯医疗科技有限公司 | Adjustable bending atrial septal puncture system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: No.57 Huayuan Avenue, economic development zone, Gaochun District, Nanjing City, Jiangsu Province Applicant after: NANJING FMT MEDICAL Co.,Ltd. Address before: 210032 the four layer of B block, Ding Ye Bai Tai biological building, No. 10, Spark Road, Nanjing high tech Industrial Development Zone, Jiangsu, China. Applicant before: NANJING FMT MEDICAL Co.,Ltd. |
|
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190219 |