CN109350320A - The flexible double bracket implanted device in distal end under visibility status - Google Patents

The flexible double bracket implanted device in distal end under visibility status Download PDF

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Publication number
CN109350320A
CN109350320A CN201811489215.9A CN201811489215A CN109350320A CN 109350320 A CN109350320 A CN 109350320A CN 201811489215 A CN201811489215 A CN 201811489215A CN 109350320 A CN109350320 A CN 109350320A
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CN
China
Prior art keywords
distal end
inner tube
flexible
middle pipe
soft head
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.)
Withdrawn
Application number
CN201811489215.9A
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Chinese (zh)
Inventor
徐传友
盛健
赵文俊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Fa Maite Development In Science And Technology Co Ltd
Original Assignee
Nanjing Fa Maite Development In Science And Technology Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Nanjing Fa Maite Development In Science And Technology Co Ltd filed Critical Nanjing Fa Maite Development In Science And Technology Co Ltd
Priority to CN201811489215.9A priority Critical patent/CN109350320A/en
Publication of CN109350320A publication Critical patent/CN109350320A/en
Withdrawn legal-status Critical Current

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    • 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
    • A61B1/04—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 combined with photographic or television appliances
    • 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
    • A61B1/06—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 with illuminating arrangements
    • A61B1/0661—Endoscope light sources
    • A61B1/0684—Endoscope light sources using light emitting diodes [LED]
    • 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

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Vascular Medicine (AREA)
  • Cardiology (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Media Introduction/Drainage Providing Device (AREA)

Abstract

The invention discloses the flexible double bracket implanted devices in distal end under a kind of visibility status, 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；It is equipped with the electro-photographic camera lens with LED light source in flexible soft head, 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.The present invention can pass through body cavities corner under visibility status and can disposably discharge two brackets.

Description

The flexible double bracket implanted device in distal end under visibility status
Technical field
The present invention relates to distal ends under a kind of stenter to implant device of medical instruments field more particularly to a kind of visibility status can Curved double bracket 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: the object of the present invention is to provide one kind can be passed through under visibility status body cavities corner and Two brackets can be disposably discharged, make operation being capable of the smooth flexible double bracket in distal end under the visibility status of safe and efficient progress Implanted device.
Technical solution: in order to achieve the above object, the invention discloses the flexible double brackets in distal end under a kind of visibility status Implanted device, including the inner tube, the tube and the outer tube set gradually from inside to outside, the distal end of said inner tube is interspersed be connected with it is flexible Soft head, is compressed with first support in the space between the outer tube and inner tube, the both ends of the first support respectively with it is flexible The proximal end of soft head and the distal end of middle pipe abut against；Be arranged with short ejector sleeve between the middle pipe and inner tube, the middle pipe and inner tube it Between space in be compressed with second support, 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；Institute Stating 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 is from outer tube It is discharged in space between inner tube and restores reset condition；After releasing first support, short ejector sleeve Forward pushes away second support First support is substituted in the space between outer tube and inner tube；The electro-photographic with LED light source is equipped in the flexible soft head Camera lens is symmetrically connected on the flexible soft head for controlling its curved operation silk, which passes through inner tube and stretch out, Pull operation silk can drive flexible soft head bending.
Wherein, the flexible soft head includes soft head and the flexible interconnecting piece of column, the flexible interconnecting piece of the column It is uniformly provided with several grooves on outer wall and forms several terminal pads；The distal end of the operation silk and the fixed company in soft head It connects, and sequentially passes through terminal pad.
Preferably, both the soft head 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.
Further, it is connected with fluid injection connector on the back handle, which is connected with inner tube.
Preferably, the operation silk passes through inner tube and is fixedly connected with the operation button being arranged on back handle, which presses Button can move back and forth along back handle, while pull operation silk ribbon moves flexible soft head unilateral side bending.
Furthermore 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 distal end moves bendable using operation silk ribbon under visibility status of the present invention The unilateral curved design of bent soft head and with light source electronic camera, can be carried out under visibility status controlled by operation button it is flexible The turning of soft head to pass through body cavities corner, after can proceed with this instrument or other instruments assisted to pass through this bent angle Place carries out instrumentation；High degree of the present invention simplifies the operation difficulty and perforation risk when instrument passes through body cavities bent angle, The operating time is saved, operational safety is improved, gastral interventional imaging has both been suitble to treat and check, also respirability road Interventional imaging treatment and inspection；Secondly inner tube of the invention is designed as multi-lumen tube, changes traditional interventional therapy, operating process In need repeated overlapping to replace a variety of instruments, time long difficulty is high, is easy to happen the pernicious malpractices such as perforation；High degree simplifies Interventional procedure, improves operational safety, reduces instrument usage quantity, more alleviate the health care expenditures of patient；Again The person present invention can disposably discharge two brackets, greatly shorten bracket release operating time, reduce patient since secondary disengaging is planted The probability for entering device bring pain and infecting.
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, the flexible double bracket implanted device in distal end under a kind of visibility status of the present invention, including inner tube 1, in 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, note Liquid connector 11, operation button 12, boosting steel pipe 13, electro-photographic camera lens 14 and electrical connector 15.Inner tube 1 of the invention, middle pipe 2 It is set gradually from inside to outside with outer tube 3, is compressed with first support 5 in the space between outer tube 3 and inner tube 1, the two of first support 5 The distal end respectively with the proximal end of flexible soft head 4 and middle pipe 2 is held to abut against；3 proximal end of outer tube is connected with front hand grip 9, in front hand grip 9 Drive under its can be moved forward and backward along middle 2 outer wall of pipe；Middle pipe 2 and 1 proximal end of inner tube are connected with back handle 10, in the band of back handle 10 Dynamic lower the two can be moved forward and backward along 3 inner wall of outer tube together；The recession of outer tube 3 or middle pipe 2 and inner tube 1 move forward together, so that first Bracket 5 discharges in the space between outer tube 3 and inner tube 1 and restores reset condition.Short push away is arranged between middle pipe 2 and inner tube 1 Pipe 6 has the boosting ring 601 stretched out outside outer tube on short ejector sleeve 6, offers respectively and boosting ring on the middle pipe 2 and outer tube 3 601 corresponding boosting sliding slots.It is compressed with second support 7 in space between middle pipe 2 and inner tube 1, the both ends of the second support 7 It is abutted against with the distal end of middle pipe 2 and the distal end of short ejector sleeve 6；After releasing first support 5, it pushes forward and helps along boosting sliding slot Throw-out collar 601, short ejector sleeve 6 move forward, and second support 7 is pushed into substitute first support 5 in the space between outer tube 3 and inner tube 1；It repeats The movement for discharging first support 5, can discharge second support 7 again.The inner wall wall thickness of middle pipe 2 is different, is equipped with second support in middle pipe 2 It is relatively thin with the wall thickness at short ejector sleeve 6, it is arranged with boosting steel pipe 13 between the second half section and inner tube 1 of middle pipe 2, boosting steel pipe 13 is used for The intensity of pipe 2 and inner tube 1 in reinforcement, when in order to release first support 5 from outer tube 3, middle pipe 2 and inner tube 1 are provided enough Support force without be bent.The distal end inner wall of middle pipe 2 is equipped with stop block 201, during discharging first support 5, to In preceding promotion when pipe, stop block 201 can stop second support 7 to skid 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, reservoir channel 103 With electronics line passage 104, wherein operation silk channel 102 be 2.Back handle is used for impetus and inner tube when releasing bracket In each vestibule need to go out connect with other instruments by back handle.Fluid injection connector 11 is connected on back handle 10, the fluid injection connector 11 It is connected with the reservoir channel 103 of inner tube 1；Electrical connector 15 is connected on back handle 10, the electricity of the electrical connector 15 and inner tube 1 Sub-line channel 104 is connected, and is electrically connected with electro-photographic camera lens 14, and electro-photographic camera lens photographic image is transmitted to outside Equipment is convenient for visualized operation.
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 soft head 401 and the flexible interconnecting piece of column 402, several grooves are uniformly provided on the outer wall of the flexible interconnecting piece 402 of the column and form several terminal pads 403；Behaviour The distal end for making silk 8 is fixedly connected with soft head 401, and sequentially passes through terminal pad 403.Wherein soft head 401 and column are flexible Both interconnecting pieces 402 can be integrally formed, and electro-photographic camera lens 14 is arranged in soft head 401.Offered on flexible soft head 4 with Thread eye 404 that silk guide passage 101 is connected, the liquid injection hole 405 being connected with reservoir channel 103, with operation 102 phase of silk channel The operation silk connecting hole 406 of connection, and the connecting hole 407 being connected with inner tube 1.The operation silk that silk 8 is operated across inner tube 1 is logical Road 102 is fixedly connected with the operation button 12 being arranged on back handle 10, which can move back and forth along back handle 10, Pull operation silk 8 drives the unilateral bending of flexible soft head 4 simultaneously.After implanted device enters body cavities, human body is encountered Big bent angle position in cavity 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 distal end pushes operation button after entering body cavities under visibility status of the present invention The flexible soft head in implanted device distal end is operated, so that it is passed through body cavities corner, and be sent to lesions position；Afterwards Front hand grip is removed, while releasing the bracket among inner and outer tubes；Short ejector sleeve is pushed again, by second among middle pipe and inner tube Frame pushes at former first support, repeats the operation for discharging first support, discharges second support；It, can be with after reaching appointed part Other instruments are alternately used cooperatively.In use, passing through the image of electro-photographic camera lens, the back-and-forth motion of operation button 12 drives behaviour Make silk and act and make flexible soft head unilateral side bending, achievees the purpose that seal wire is smooth by crooked position in enteron aisle.

Claims (10)

1. the flexible double bracket implanted device in distal end under a kind of visibility status, it is characterised in that: including successively setting from inside to outside Inner tube (1), middle pipe (2) and the outer tube (3) set, the distal end of said inner tube (1), which is interted, is connected with flexible soft head (4), described outer Pipe (3) and inner tube (1) between space in be compressed with first support (5), the both ends of the first support (5) respectively with it is flexible The proximal end of soft head (4) and the distal end of middle pipe (2) abut against；Short ejector sleeve (6), institute are arranged between the middle pipe (2) and inner tube (1) It states and is compressed with second support (7) in the space between pipe (2) and inner tube (1), the both ends and middle pipe (2) of the second support (7) Distal end and the distal end of short ejector sleeve (6) abut against；The outer tube (3) can be moved forward and backward relative to middle pipe (2), outer tube (3) recession Or middle pipe (2) and inner tube (1) move forward together, so that first support (5) is released in the space between outer tube (3) and inner tube (1) It puts and restores reset condition；After releasing first support (5), the Forward of short ejector sleeve (6), by second support (7) be pushed into outer tube (3) with First support (5) are substituted in space between inner tube (1)；The electro-photographic with LED light source is equipped in the flexible soft head (4) Camera lens (14) is symmetrically connected with for controlling its curved operation silk (8) on the flexible soft head (4), which wears It crosses inner tube (1) and stretches out, pull operation silk (8) can drive flexible soft head (4) to be bent.
2. the flexible double bracket implanted device in distal end under visibility status according to claim 1, it is characterised in that: described Flexible soft head (4) includes soft head (401) 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 and soft head of operation silk (8) (401) it is fixedly connected, and sequentially passes through terminal pad (403).
3. the flexible double bracket implanted device in distal end under visibility status according to claim 2, it is characterised in that: described 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 under visibility status according to claim 1, it is characterised in that: described Outer tube (3) proximal 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)；It is described Middle pipe (2) and inner tube (1) proximal end are connected with back handle (10), can be together along outer tube (3) both under the drive of back handle (10) Inner wall is moved forward and backward；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) It is discharged in space between inner tube (1) and restores reset condition.
5. the flexible double bracket implanted device in distal end under visibility status according to claim 4, it is characterised in that: described Fluid injection connector (11) are connected on back handle (10), which is connected with inner tube (1).
6. the flexible double bracket implanted device in distal end under visibility status according to claim 4, it is characterised in that: described Operation silk (8) passes through inner tube (1) and is fixedly connected with the operation button (12) being arranged on back handle (10), the operation button (12) It can move back and forth along back handle (10), while pull operation silk (8) drives the unilateral bending of flexible soft head (4).
7. the flexible double bracket implanted device in distal end under visibility status according to claim 1, it is characterised in that: described The distal end inner wall of middle pipe (2) is equipped with stop block (201).
8. the flexible double bracket implanted device in distal end under visibility status according to claim 1, it is characterised in that: described There is the boosting ring (601) stretched out outside outer tube on short ejector sleeve (6), offered on the middle pipe (2) and outer tube (3) respectively and boosting The corresponding boosting sliding slot of ring (601).
9. the flexible double bracket implanted device in distal end under visibility status according to claim 1, it is characterised in that: described Boosting steel pipe (13) are arranged between middle pipe (2) and inner tube (1).
10. the flexible double bracket implanted device in distal end under visibility status according to claim 1, it is characterised in that: institute Stating inner tube (1) is multi-lumen tube, internal to have silk guide passage (101), operate silk channel (102) and reservoir channel (103), described The thread eye (404) being connected with silk guide passage (101) is offered on flexible soft head (4), is connected with reservoir channel (103) Liquid injection hole (405), with operation silk channel (102) the operation silk connecting hole (406) that is connected, and be connected with inner tube (1) Connecting hole (407).
CN201811489215.9A 2018-12-06 2018-12-06 The flexible double bracket implanted device in distal end under visibility status Withdrawn CN109350320A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811489215.9A CN109350320A (en) 2018-12-06 2018-12-06 The flexible double bracket implanted device in distal end under visibility status

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811489215.9A CN109350320A (en) 2018-12-06 2018-12-06 The flexible double bracket implanted device in distal end under visibility status

Publications (1)

Publication Number Publication Date
CN109350320A true CN109350320A (en) 2019-02-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811489215.9A Withdrawn CN109350320A (en) 2018-12-06 2018-12-06 The flexible double bracket implanted device in distal end under visibility status

Country Status (1)

Country Link
CN (1) CN109350320A (en)

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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