CN106606367B - A kind of percutaneous puncture skin traction drag hook of visual scope lower axle to outreach - Google Patents
A kind of percutaneous puncture skin traction drag hook of visual scope lower axle to outreach Download PDFInfo
- Publication number
- CN106606367B CN106606367B CN201611038822.4A CN201611038822A CN106606367B CN 106606367 B CN106606367 B CN 106606367B CN 201611038822 A CN201611038822 A CN 201611038822A CN 106606367 B CN106606367 B CN 106606367B
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- outreach
- group valve
- outer cylinder
- drag hook
- core bar
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0218—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention relates to a kind of visual scope lower axles to the percutaneous puncture skin traction drag hook of outreach, and solving current hook for surgery operation can only draw in one direction of drag hook, and drag hook stress surface is small, the big problem of local pressure.The present apparatus includes the outer cylinder of round bar type, the front end of outer cylinder is equipped with the addendum cone for puncturing skin, outer cylinder offers several axially extending group valve slots on the side wall at addendum cone rear, setting can swing out the outreach group valve of expansion along outer cylinder axial plane in group valve slot, the cell wall of outreach group valve front end and group valve slot is pivotally connected, central core bar is inserted in the outer cylinder, the arc surface in the leading inside face of outreach group valve is equipped with worm-gear toothing, and the front end of central core bar is equipped with worm screw section.The present invention be arranged on outer cylinder can axial wobble expansion outreach group valve, a step construct omnidirection support surgical procedure space, reduce local skin stress, improve procedure efficiency；Outreach group valve further turns up taking-up after the completion of operation, avoids crushing intradermal tissue.
Description
Technical field
The present invention relates to a kind of medical device, in particular to a kind of visual scope lower axle is led to the percutaneous puncture skin of outreach
Be pulled hook.
Background technique
Hospital to patient implement body surface operation when, after needing integumentary musculature to cut, with hook for surgery operation to surgical wound into
Row drawing is performed the operation with sufficiently exposing the visual field for being appropriate for operation convenient for doctor.The development of head neck operation becomes at present
Gesture is gradually developed to Minimally Invasive Surgery.During visual endoscopic endoluminal surgery, since operating process is indirect operation, neck
The problem of portion's institutional framework complexity has what endoluminal operational site operation was limited, generally requires to draw using auxiliary at this time
The help of hook, current existing steel wire puncturing operation drag hook there is a situation where to have a single function, poor operability, practicability is not good enough,
Therefore in the course of surgery, the structure shortcoming of drag hook will affect operation progress, increases the labor intensity of medical staff, easily produces
Raw security risk, or even malpractice occurs.Meanwhile existing drag hook mainly pass through it is soft in the visual endoscopic surgery region of drawing
Tissue enable perform the operation key position expose, but current drag hook there are the problem of be also it will be apparent that essentially consisting in drag hook
The material is soft, and hardness is inadequate, and the laborious while current puncture drag hook of drawing intraluminal tissue is only capable of carrying out in one direction intracavitary
Draw tissue, the surgical procedure limited space not only constructed is big, but also drag hook stress surface is small, and the operation long-time of small notch is energetically
Degree cuts the relaxation for drawing local skin notch to will cause skin incision, and the out-of-flatness for causing postoperative skin notch to align is to influence
The healing of wound causes scar after the operation hyperplasia.
Summary of the invention
It is an object of the invention to solve current hook for surgery operation to draw in one direction of drag hook, the surgical procedure of building
The problem of limited space is big, and drag hook stress surface is small, and local pressure is big, influences post-operative recovery is provided under a kind of visual scope
The percutaneous puncture skin traction drag hook of axial outreach is supported in drag hook ring week forming face, and building surgical procedure space is abundant, and leads
It is big to draw stress surface, it is small to injury of human.
The technical solution adopted by the present invention to solve the technical problems is：A kind of visual scope lower axle percutaneously wearing to outreach
Skin traction drag hook, the outer cylinder including round bar type are pierced, outer cylinder shaft core position is equipped with the mesoporous of open rearward end, and the front end of outer cylinder is equipped with
For puncturing the addendum cone of skin, outer cylinder offers several axially extending group valve slots on the side wall at addendum cone rear, organizes in valve slot
The outreach group valve that expansion can be swung out along outer cylinder axial plane is set, outreach group valve front end and the cell wall for organizing valve slot are pivotally connected,
Central core bar is inserted in the mesoporous of the outer cylinder, the leading inside face of outreach group valve is arc surface, and arc surface is equipped with worm gear
Tooth, the front end of central core bar are equipped with the worm screw section cooperated with worm-gear toothing.Outer cylinder is rod structure, and front end punctures skin using addendum cone
Then skin outreach group valve is unfolded outward to skin shape by the cooperation of worm screw section and worm-gear toothing using the rotation of central core bar
At support, surgical procedure space is propped up；When needing to take out, central core bar can be reversed rotation, and outreach group valve is packed up.This dress
Set that shaft is rigidly good, compared to soft drag hook, when operation is easy to control, and rapid operation.Present apparatus outreach group valve omnidirection to
Unidirectional drag hook is compared in outer expansion, without controlling drag hook direction, is reduced local skin stress, is conducive to post-operative recovery；It is formed
Surgical procedure space it is abundant, advantageously reduce operating difficulty, shorten operating time.
Preferably, the rear end inside the addendum cone is equipped with bellmouth, the hole wall of bellmouth is equipped with to be aligned with a group valve slot
And the shell fragment groove being connected to, shell fragment groove is interior to be arranged elastic slice, elastic slice front end and addendum cone integrally connected, the left and right side and trailing flank of elastic slice
It is separated with addendum cone side wall, the taper that the front side of the center core bar worm screw section is equipped with insertion cone tank and opens elastic slice outward
Cushion block.If reversely withdrawn outreach group valve when taking-up, intradermal tissue may be clamped, tissue is caused to damage.Therefore we
In case, when puncture skin enters, outreach group valve is unfolded for central core bar rotation, and the lateral surface inner end of outreach group valve is resisted against elastic slice
Rear end；When being taken out from skin, central core bar to be extracted out from outer tube rear end, since taper cushion block is removed, interior bullet is shunk elastic slice,
Outreach group valve loses support, continue to swing forward open until be turned to inside face outwardly it is concordant with outer cylinder axis, at this time can be with
Outer cylinder is extracted out from skin, the withdrawal of outreach group valve is avoided to clamp intradermal tissue.
Preferably, the inner sidewall rear end of the elastic slice is equipped with circular protrusions, circular protrusions line contacts against taper cushion block
Side wall.The contact area of taper cushion block and elastic slice is reduced, resistance when pull is reduced.
Preferably, the side wall of the bellmouth is the conical surface, the front end face of bellmouth is plane, the cone of the center core bar
Shape cushion block front surface is resisted against the front end face of bellmouth.The front end face of bellmouth can provide front end limit for central core bar.
Preferably, the rear end of the outer cylinder is threadedly coupled the spiral cover being provided with to central core bar axial limiting, central core
Thin step after bar is thick before being arranged at spiral cover, spiral cover is stretched out in the rear end of central core bar backward.It avoids in operative process
Centre core bar is surprisingly drawn out, and causes accident surgery.
Preferably, the outreach group valve is at a distance from the drive-connecting shaft of group valve slot and outer cylinder outer surface not less than worm-gear toothing
Radius of addendum.When guaranteeing to translate into most forward position outside outreach group valve, worm-gear toothing is still located at the inside of outer cylinder contour line, avoids scraping
Hurt skin.
Preferably, the rear end face of the center core bar is connected with discoid operation handle.
Preferably, the outreach group valve surface turning point is all made of round-corner transition.
The present invention be arranged on outer cylinder can axial wobble expansion outreach group valve, the surgical procedure that a step constructs under skin is empty
Between, and surgical procedure space is omnidirection support, reduces local skin stress, more conducively post-operative recovery, surgical procedure space structure
It builds more convenient, improves procedure efficiency, save operating time；Outreach group valve further turns up taking-up after the completion of operation, avoids pressing from both sides
Hurt intradermal tissue.
Detailed description of the invention
The present invention will be further described below with reference to the drawings.
Fig. 1 is a kind of structural schematic diagram of the invention.
Fig. 2 is the attachment structure schematic diagram before the present invention punctures.
Fig. 3 be the present invention operation after the completion of outreach group valve before turn over structural schematic diagram.
In figure：1, outer cylinder, 2, addendum cone, 3, elastic slice, 4, group valve slot, 5, outreach group valve, 6, operation handle, 7, spiral cover, 8, cone
Shape cushion block, 9, worm screw section, 10, worm-gear toothing, 11, central core bar, 12, bellmouth.
Specific embodiment
Below by specific embodiment and in conjunction with attached drawing, the present invention is further described.
Embodiment：Percutaneous puncture skin traction drag hook from a kind of visual scope lower axle to outreach, as shown in Figure 1 to Figure 3.This
Device includes the outer cylinder 1 of round bar type, and outer cylinder shaft core position is equipped with the mesoporous of open rearward end, and the front end of outer cylinder is equipped with for puncturing skin
The addendum cone 2 of skin, addendum cone rear end offer the bellmouth 12 being connected with mesoporous, and the hole wall of bellmouth is the conical surface, and hole Inner Front End face is
Plane.Outer cylinder offers several axially extending group valve slots 4 on the side wall at addendum cone rear, and setting can be along outer cylinder in group valve slot
Axial plane swings out the outreach group valve 5 of expansion, and outreach group valve front end and the cell wall for organizing valve slot are pivotally connected, outreach group valve front end
Inside is arc surface, and arc surface is equipped with worm-gear toothing 10；The hole wall of the bellmouth of addendum cone 2 is equipped with and is aligned and is connected to a group valve slot
Shell fragment groove, elastic slice 3, elastic slice front end and addendum cone integrally connected be set in shell fragment groove, the left and right side and trailing flank of elastic slice with
The separation of addendum cone side wall.Outreach group valve is at a distance from the drive-connecting shaft of group valve slot and outer cylinder outer surface not less than the outside circle of worm-gear toothing half
Diameter.
Central core bar 11 is inserted in the mesoporous of the outer cylinder, the front end of central core bar is equipped with the worm screw cooperated with worm-gear toothing
Section 9, the taper cushion block 8 that the front end of worm screw section is additionally provided with insertion cone tank and opens elastic slice 3 outward, taper cushion block front end face are
Spherical surface or plane are resisted against the front plan upper limit of bellmouth 12.3 rear inside of elastic slice is equipped with arc-shaped convex for supporting
By taper cushion block, pull resistance is reduced.
Outer cylinder is rod structure, and front end punctures skin using addendum cone, then using the rotation of central core bar, passes through worm screw section
With the cooperation of worm-gear toothing, outreach group valve is unfolded to form support to skin outward, props up surgical procedure space；When needing to take out
When, central core bar to be extracted out from outer tube rear end, since taper cushion block is removed, interior bullet is shunk elastic slice, and outreach group valve loses support,
Continue forward swing open until be turned to inside face outwardly it is concordant with outer cylinder axis, at this time can by outer cylinder from skin extract out,
The withdrawal of outreach group valve is avoided to clamp intradermal tissue.Present apparatus shaft is rigidly good, and compared to soft drag hook, when operation is easy to control,
And rapid operation.Present apparatus outreach group valve omnidirection is unfolded outward, subtracts compared to unidirectional drag hook without controlling drag hook direction
Few local skin stress, is conducive to post-operative recovery；The surgical procedure space of formation is abundant, advantageously reduces operating difficulty, shortens
Operating time.
Claims (5)
1. a kind of visual scope lower axle is to the percutaneous puncture skin traction drag hook of outreach, it is characterised in that：It is outer including round bar type
Cylinder, outer cylinder shaft core position are equipped with the mesoporous of open rearward end, and the front end of outer cylinder is equipped with the addendum cone for puncturing skin, and outer cylinder is in addendum cone
Several axially extending group valve slots are offered on the side wall at rear, setting can be swung out along outer cylinder axial plane in group valve slot
The cell wall of the outreach group valve of expansion, outreach group valve front end and group valve slot is pivotally connected, and is inserted with central core bar in the mesoporous of the outer cylinder,
The leading inside face of outreach group valve is arc surface, and arc surface is equipped with worm-gear toothing, and the front end of central core bar is equipped with matches with worm-gear toothing
The worm screw section of conjunction；
Rear end inside the addendum cone is equipped with bellmouth, and the hole wall of bellmouth is equipped with the elastic slice for being aligned and being connected to group valve slot
Slot, is arranged elastic slice, elastic slice front end and addendum cone integrally connected in shell fragment groove, the left and right side and trailing flank of elastic slice with addendum cone side wall
Separation, the taper cushion block that the front side of the center core bar worm screw section is equipped with insertion cone tank and opens elastic slice outward；
The rear end face of the center core bar is connected with discoid operation handle；
The outreach group valve surface turning point is all made of round-corner transition.
2. a kind of percutaneous puncture skin traction drag hook of the visual scope lower axle according to claim 1 to outreach, feature
It is：The inner sidewall rear end of the elastic slice is equipped with circular protrusions, and circular protrusions line contacts against the side wall of taper cushion block.
3. a kind of visual scope lower axle according to claim 1 or 2 is to the percutaneous puncture skin traction drag hook of outreach, special
Sign is：The side wall of the bellmouth is the conical surface, and the front end face of bellmouth is plane, table before the taper cushion block of the center core bar
Face is resisted against the front end face of bellmouth.
4. a kind of visual scope lower axle according to claim 1 or 2 is to the percutaneous puncture skin traction drag hook of outreach, special
Sign is：The rear end of the outer cylinder is threadedly coupled the spiral cover being provided with to central core bar axial limiting, and central core bar is at spiral cover
Thick rear thin step before being arranged, spiral cover is stretched out in the rear end of central core bar backward.
5. a kind of visual scope lower axle according to claim 1 or 2 is to the percutaneous puncture skin traction drag hook of outreach, special
Sign is：The outreach group valve is at a distance from the drive-connecting shaft of group valve slot and outer cylinder outer surface not less than the outside circle of worm-gear toothing half
Diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611038822.4A CN106606367B (en) | 2016-11-23 | 2016-11-23 | A kind of percutaneous puncture skin traction drag hook of visual scope lower axle to outreach |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611038822.4A CN106606367B (en) | 2016-11-23 | 2016-11-23 | A kind of percutaneous puncture skin traction drag hook of visual scope lower axle to outreach |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106606367A CN106606367A (en) | 2017-05-03 |
| CN106606367B true CN106606367B (en) | 2018-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611038822.4A Active CN106606367B (en) | 2016-11-23 | 2016-11-23 | A kind of percutaneous puncture skin traction drag hook of visual scope lower axle to outreach |
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| Country | Link |
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| CN (1) | CN106606367B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108784761B (en) * | 2017-05-04 | 2023-08-22 | 崔家鸣 | Distractor for subscapularis |
| CN108283509B (en) * | 2018-01-06 | 2020-01-10 | 山东省肿瘤防治研究院（山东省肿瘤医院） | Adjusting and expanding device for orthopedic minimally invasive surgery |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5197971A (en) * | 1990-03-02 | 1993-03-30 | Bonutti Peter M | Arthroscopic retractor and method of using the same |
| JP2004267359A (en) * | 2003-03-06 | 2004-09-30 | Hitoomi Sugiura | Retractor for endoscopic operation |
| CN103126730B (en) * | 2011-11-28 | 2015-01-21 | 广西大学 | Direct-inserting type peritoneoscope pneumoperitoneum-avoiding device |
| CN103610477B (en) * | 2013-11-25 | 2015-05-13 | 广西大学 | Pneumoperitoneum-free device for gear open type laparoscope |
| CN204671201U (en) * | 2015-04-14 | 2015-09-30 | 中国人民解放军第二军医大学 | A kind of endoscopic surgery drag hook with Telescopic |
| CN206576900U (en) * | 2016-11-23 | 2017-10-24 | 浙江省肿瘤医院 | Percutaneous puncture skin traction drag hook from visual scope lower axle to abduction |
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- 2016-11-23 CN CN201611038822.4A patent/CN106606367B/en active Active
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| Publication number | Publication date |
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| CN106606367A (en) | 2017-05-03 |
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