CN105616046B - Vessel dilator implanting instrument with lockable mechanism - Google Patents
Vessel dilator implanting instrument with lockable mechanism Download PDFInfo
- Publication number
- CN105616046B CN105616046B CN201610129566.3A CN201610129566A CN105616046B CN 105616046 B CN105616046 B CN 105616046B CN 201610129566 A CN201610129566 A CN 201610129566A CN 105616046 B CN105616046 B CN 105616046B
- Authority
- CN
- China
- Prior art keywords
- spiral
- push rod
- special
- handle
- shaped monofilament
- 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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Links
- 102400001284 Vessel dilator Human genes 0.000 title claims abstract description 13
- 108010090012 atrial natriuretic factor prohormone (31-67) Proteins 0.000 title claims abstract description 13
- 238000010276 construction Methods 0.000 abstract description 4
- 210000004204 blood vessel Anatomy 0.000 description 5
- 230000002526 effect on cardiovascular system Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- A61F2/9517—Instruments specially adapted for placement or removal of stents or stent-grafts handle assemblies therefor
-
- 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
- A61F2002/9505—Instruments specially adapted for placement or removal of stents or stent-grafts having retaining means other than an outer sleeve, e.g. male-female connector between stent and instrument
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The present invention relates to a kind of medical apparatus, specifically a kind of vessel dilator implanting instrument with lockable mechanism.The push rod being axially movable in the handle including handle, inserting, the rear end of the push rod is provided with pressing plate, spiral chuck is set with the push rod, the spiral chuck is formed by special-shaped monofilament helical coil, the upper/lower terminal in the special-shaped monofilament section is symmetrically arranged with clamping spiral and lower clamping spiral, one end of special-shaped monofilament is fixedly connected on the front end of push rod, and the other end of special-shaped monofilament is fixedly connected on handle.The tool construction is simple and convenient to operate, had wide range of applications.
Description
Technical field
The present invention relates to a kind of medical apparatus, specifically a kind of vessel dilator implanting instrument with lockable mechanism.
Background technology
At present, conventional painstaking effort enlargement of pipe operation is mainly mounting bracket or sacculus, because painstaking effort pipeline is thinner,
Operated in surgical procedure pretty troublesome.The installation of support and the adjustment of position will take a significant amount of time and energy, be brought to operation
Difficulty and risk.Chinese patent 2010202319042 discloses one kind《Cardiovascular expansion device》Network is installed in advance
In a guide wire, while also installing a tube core in guide wire, first by guide wire implantable intravascular during operation, pipe is recycled
Core releases network.This " cardiovascular expansion device " improves net although can simplify operation technique to a certain extent
The degree of accuracy of shape support in place, but because the diameter of guide wire is more than the diameter of network, its scope of application is restricted, had
When can also increase the difficulty of operation；Another Chinese patent 2013200482005 discloses one kind《Cardiovascular expansion device》, its
The helix tube type expander being wound using single thread spiral, and support bar is provided with the inner chamber of helix tube, in support bar
Front end be provided with fixation fork, the stage casing of support bar is provided with positioning hole, monofilament is wound around on support bar, the two of monofilament
End is inserted into fixation fork and positioning hole respectively, is put into after blood vessel, is unclamped the two ends of monofilament, extracts support bar, filament diameter out
Automatic expansion, plays a part of expansion and support blood vessels wall, and its is simple in construction, easy to operate, have wide range of applications.But due to it
Support bar is the fixed structure of integral type, and the operation installed on support bar and discharge monofilament two ends is extremely difficult, is extracting branch out
Easily the monofilament of half release conditions is brought out during strut, operative failure is caused.
The content of the invention
It is an object of the invention to provide a kind of implantation of the vessel dilator with lockable mechanism simple in construction, easy to operate
Instrument.
In order to reach object above, the present invention is adopted the following technical scheme that：This carries the blood vessel dilatation of lockable mechanism
The push rod that device implanting instrument includes handle, inserting is axially movable in the handle, the rear end of the push rod is provided with pressing plate, described
Be set with spiral chuck on push rod, the spiral chuck be by the helical structure of special-shaped monofilament helical coil, it is described different
The section of shape monofilament is circle, and the upper and lower two sides of special-shaped monofilament are symmetrically arranged with clamping spiral and lower clamping spiral, it is described on
Clamping spiral and lower clamping spiral are the spiral fin that cross sectional shape is triangle, the upper clamping spiral and lower clamping spiral
The diameter parallel of axis and spiral chuck is set, and one end of special-shaped monofilament is fixedly connected on the front end of push rod, special-shaped monofilament it is another
One end is fixedly connected on handle；The outer wall of the handle is fixedly connected with drag hook；Stop pin is hinged with the drag hook.
The flower for being provided with axially arranged keyway, the push rod and matching the keyway is provided with the inwall of the handle
Key.
The upper and lower two sides of the special-shaped monofilament are symmetrically arranged with recessed deep-slotted chip breaker, the upper clamping spiral and lower folder
Spiral is held to be arranged in deep-slotted chip breaker.
The beneficial effects of the present invention are：Screw clamp set is clamped equally using the upper clamping spiral and lower clamping spiral of both sides
Spiral-shaped vessel dilator, is at the state compressed, tightened, and caliber is smaller, facilitates the operation of implantable intravascular, locking
Pin, which can limit push rod, makes its immovable, prevents maloperation from causing expander to come off；After implantation, stop pin is opened, is passed through
Push rod tensile coil chuck, can easily discharge expander again, and the instrument is taken out, and its is simple in construction, easy to operate, should
With in extensive range.
Brief description of the drawings
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the structural representation of vessel dilator.
Fig. 3 is structural representation when clamping vessel dilator.
Fig. 4 is the cross section view of special-shaped monofilament.
Fig. 5 is the cross section view of another embodiment of special-shaped monofilament.
Embodiment
As shown in figure 1, the vessel dilator implanting instrument of the present invention with lockable mechanism includes handle 1, is inserted into
The push rod 2 being axially movable in handle 1, the rear end of the push rod 2 is provided with pressing plate 3, and handle 1 is column structure, by dynamic pressure plate
3rd, push rod 2 can slide axially in handle 1.Spiral chuck 4 is set with the push rod 2, the spiral chuck 4 is by abnormity
The helical structure that single thread spiral shape is coiled to form, the material of spiral chuck 4 is made of flexible plastics, stainless steel etc..Institute
It is circle to state the section of special-shaped monofilament, and the upper and lower two sides of special-shaped monofilament are symmetrically arranged with clamping spiral 5 and lower clamping spiral 6,
The upper clamping spiral 5 and lower clamping spiral 6 are the spiral fins that cross sectional shape is triangle, and the upper clamping spiral 5 is with
The diameter parallel of the axis and spiral chuck 4 that clamp spiral 6 is set.Upper clamping spiral 5 and lower clamping spiral 6 can be such as Fig. 4 institutes
Show the outer surface for being set directly at cylinder, can also be as shown in figure 5, being symmetrically arranged with the upper and lower two sides of special-shaped monofilament
Recessed deep-slotted chip breaker 10,11, the upper clamping spiral 5 and lower clamping spiral 6 are arranged in deep-slotted chip breaker 10,11.
One end of special-shaped monofilament is fixedly connected on the front end of push rod 2, and the other end of special-shaped monofilament is fixedly connected on handle 1
On；The outer wall of the handle 1 is fixedly connected with drag hook 9.Drag hook 9 coordinates with pressing plate 3, can be promoted push rod 2 by extruding
Slided in handle 1.Stop pin 91 is hinged with the drag hook 9.When stop pin 91 is erected into sensing pressing plate 3, it can hinder
Only pressing plate 3 is moved, and the slip of anti-throw-out lever 2 makes the spiral shell spacing of special-shaped monofilament change.
As shown in Fig. 2 the vessel dilator used cooperatively is formed by the coiled coil of column monofilament 8, the monofilament 8 it is upper,
Lower both sides are symmetrically arranged with neck 81,82, and the section of the neck 81,82 is the upper folder on isosceles triangle, with special-shaped monofilament
Hold spiral 5 and the lower clamping cross sectional shape of spiral 6 matches.The cylindrical helical body of the formation of neck 81,82 and the column of the formation of monofilament 8
Conveyor screw is coaxial.And the axis of neck 81,82 and the diameter parallel of monofilament 8.
As shown in figure 3, the monofilament 8 for constituting expander body is clamped between the spiral for the special-shaped monofilament for constituting spiral chuck 4
In gap, upper clamping spiral 5 and lower clamping spiral 6 are correspondingly embedded in neck 81,82, though monofilament 8 has the elasticity of expansion, by different
The clamping of shape monofilament, it is impossible to depart from.
In addition, being provided with axially arranged keyway on the inwall of the handle 1, it is provided with the push rod 2 and matches the key
The spline 51 of groove.Push rod 2 can be so limited by keyway can only move axially and can not rotate, while can also be by reasonable
The length of keyway is set to limit the scope that push rod 2 is moved axially.
As shown in figure 3, in use, the monofilament of spiral vessel dilator is installed on into upper clamping spiral 5 and lower clamping spiral shell
Between rotation 6, because the pitch of spiral chuck 4 is less than from --- the distance between i.e. upper clamping spiral 5 and lower clamping spiral 6 ---
In the diameter of spiral-expanding device monofilament, upper clamping spiral 5 and lower clamping spiral 6 insertion neck 81,82, now spiral chuck 4 can
It is set not release to clamp expander, can be easily in implantable intravascular.After expander insertion patient's blood vessel, lock is unclamped
Rationed marketing 91, extruding pressing plate 3 and drag hook 9, by the tensile coil chuck 4 of push rod 2, the spiral shell spacing of spiral chuck 4 expands, upper clamping spiral shell
Rotation 5 and lower clamping spiral 6 depart from from neck 81,82, now i.e. releasable expander, and its diameter expands after expander is released
Greatly, it is supported on patient's blood vessel wall, the clamping device can be now taken out.
Claims (2)
1. the vessel dilator implanting instrument with lockable mechanism, including handle（1）, be inserted into handle（1）In be axially movable
Push rod（2）, the push rod（2）Rear end be provided with pressing plate（3）, it is characterised in that：The push rod（2）On be set with screw clamp
Set（4）, the spiral chuck（4）It is by the helical structure of special-shaped monofilament helical coil, the section of the special-shaped monofilament
For circle, the upper and lower two sides of special-shaped monofilament are symmetrically arranged with clamping spiral（5）With lower clamping spiral（6）, the upper clamping spiral shell
Rotation（5）With lower clamping spiral（6）It is the spiral fin that cross sectional shape is triangle, the upper clamping spiral（5）With lower clamping spiral shell
Rotation（6）Axis and spiral chuck（4）Diameter parallel set, one end of special-shaped monofilament is fixedly connected on push rod（2）Front end,
The other end of special-shaped monofilament is fixedly connected on handle（1）On；The handle（1）Outer wall be fixedly connected with drag hook（9）；It is described to draw
Hook（9）On be hinged with for preventing pressing plate（3）Mobile stop pin（91）；The handle（1）Inwall on be provided with axially set
The keyway put, the push rod（2）On be provided with match the keyway spline（51）.
2. the vessel dilator implanting instrument of lockable mechanism is carried according to claim 1, it is characterised in that：The abnormity is single
The upper and lower two sides of silk are symmetrically arranged with recessed deep-slotted chip breaker（10、11）, the upper clamping spiral（5）With lower clamping spiral（6）
It is arranged on deep-slotted chip breaker（10、11）In.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610129566.3A CN105616046B (en) | 2016-03-08 | 2016-03-08 | Vessel dilator implanting instrument with lockable mechanism |
| CN201710840462.8A CN107468392B (en) | 2016-03-08 | 2016-03-08 | Vessel dilator implanting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610129566.3A CN105616046B (en) | 2016-03-08 | 2016-03-08 | Vessel dilator implanting instrument with lockable mechanism |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710840462.8A Division CN107468392B (en) | 2016-03-08 | 2016-03-08 | Vessel dilator implanting instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105616046A CN105616046A (en) | 2016-06-01 |
| CN105616046B true CN105616046B (en) | 2017-11-03 |
Family
ID=56031683
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710840462.8A Expired - Fee Related CN107468392B (en) | 2016-03-08 | 2016-03-08 | Vessel dilator implanting instrument |
| CN201610129566.3A Active CN105616046B (en) | 2016-03-08 | 2016-03-08 | Vessel dilator implanting instrument with lockable mechanism |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710840462.8A Expired - Fee Related CN107468392B (en) | 2016-03-08 | 2016-03-08 | Vessel dilator implanting instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN107468392B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6607538B1 (en) * | 2000-10-18 | 2003-08-19 | Microvention, Inc. | Mechanism for the deployment of endovascular implants |
| US8267985B2 (en) * | 2005-05-25 | 2012-09-18 | Tyco Healthcare Group Lp | System and method for delivering and deploying an occluding device within a vessel |
| WO2006024040A2 (en) * | 2004-08-25 | 2006-03-02 | Microvention, Inc. | Thermal detachment system for implantable devices |
| EP1872741B1 (en) * | 2005-03-28 | 2018-12-05 | Terumo Kabushiki Kaisha | Body organ expansion instrument |
| US8551129B2 (en) * | 2007-11-14 | 2013-10-08 | Todd P. Lary | Treatment of coronary stenosis |
| US8852258B2 (en) * | 2011-10-24 | 2014-10-07 | Novostent Corporation | Catheter assembly with user-assisting handle |
| CN203017559U (en) * | 2013-01-29 | 2013-06-26 | 杨琴 | Cardiovascular expansion device |
| US10595899B2 (en) * | 2013-09-22 | 2020-03-24 | Mazor Robotics Ltd. | Automatic dilator |
| CN103622733B (en) * | 2013-11-14 | 2016-06-22 | 江苏省人民医院 | Asymmetric type vertebral body expander |
-
2016
- 2016-03-08 CN CN201710840462.8A patent/CN107468392B/en not_active Expired - Fee Related
- 2016-03-08 CN CN201610129566.3A patent/CN105616046B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105616046A (en) | 2016-06-01 |
| CN107468392B (en) | 2019-08-02 |
| CN107468392A (en) | 2017-12-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yan Kun Inventor after: Lv Jiancheng Inventor after: Zhang Xin Inventor before: Wang Aixiang |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170926 Address after: 234000 Anhui province Suzhou City Yongqiao district near the River Road No. 229 Applicant after: ANHUI HUATENG AGRICULTURAL TECHNOLOGY Co.,Ltd. Address before: G Street radiology Weifang People's Hospital 261041 Shandong Province, Weifang city Kuiwei District Applicant before: Wang Aixiang |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200929 Address after: 101200 Beijing Pinggu District Mafang Town Pufeng Medical Innovation Gupanlong West Road 21 Hospital Building 4 Patentee after: BEIJING TAIJIE WEIYE TECHNOLOGY Co.,Ltd. Address before: 234000 Anhui province Suzhou City Yongqiao district near the River Road No. 229 Patentee before: ANHUI HUATENG AGRICULTURAL TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address |
Address after: 101204 building 4, yard 21, Panlong West Road, Mafang Town, Pinggu District, Beijing Patentee after: Beijing Taijieweiye Technology Co.,Ltd. Address before: 101200 building 4, courtyard 21, Panlong West Road, Pufeng medical innovation Valley, Mafang Town, Pinggu District, Beijing Patentee before: BEIJING TAIJIE WEIYE TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address |