CN108378882B - A kind of tracheotomy extension fixture - Google Patents
A kind of tracheotomy extension fixture Download PDFInfo
- Publication number
- CN108378882B CN108378882B CN201810311634.7A CN201810311634A CN108378882B CN 108378882 B CN108378882 B CN 108378882B CN 201810311634 A CN201810311634 A CN 201810311634A CN 108378882 B CN108378882 B CN 108378882B
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- Prior art keywords
- bar
- swivel becket
- shell
- extension fixture
- fixed link
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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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/24—Surgical instruments, devices or methods, e.g. tourniquets for use in the oral cavity, larynx, bronchial passages or nose; Tongue scrapers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/24—Surgical instruments, devices or methods, e.g. tourniquets for use in the oral cavity, larynx, bronchial passages or nose; Tongue scrapers
- A61B2017/242—Surgical instruments, devices or methods, e.g. tourniquets for use in the oral cavity, larynx, bronchial passages or nose; Tongue scrapers for bronchial passages
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- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Otolaryngology (AREA)
- Pulmonology (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention relates to medical instruments fields, and in particular to a kind of tracheotomy extension fixture, comprising: shell, expanding mechanism, screw lid, expanded film.Lower end expansion part is in contraction state when the device is initial, the expanded film of expansion part cooperation at this time is in minimum outer diameter state, in the channel that the lower end expanded film partial insertion of device is expanded, then screw lid is rotated with hand, helical tooth synchronizes rotation thereon for screw lid drive, because being engaged with circumferentially distributed gear on helical tooth, when helical tooth rotation, rotating bar synchronizes downwards rotation, sliding sleeve in four-bar mechanism is moved, expansion part drives expanded film to synchronize and is expanded at this time, so that circumferentially distributed expansion part is in maximum outside diameter state, channel is supportted by expansion part and expanded film to maximum at this time, to carry out next step operation, the device can quantitatively adjust stroke, it is simple and convenient practical.
Description
Technical field
The present invention relates to medical instruments fields, in particular to a kind of tracheotomy extension fixture.
Background technique
Tracheotomy is a kind of emergent operation, is initially served only for expiratory dyspnea caused by releasing laryngemphraxis plug.With right
The pathologic, physiologic function of respiratory tract is understood in depth, and tracheotomy has become the important auxiliary treatment means of certain diseases.Such as
Long period coma patient caused by a variety of causes, lower respiratory tract secretion accumulate, and influence pulmonary gas exchange, after tracheotomy,
Lower respiratory tract secretion can be sucked out from tracheotomy mouth, and can the interior drug and antibiosis for instilling the sticky secretion of desaturation of transtracheal
Element, to prevent or treat pulmonary complications.After tracheotomy, air directly from notch enter, reduce respiratory tract resistance and
Dead space can not only increase effective gas exchange, but also can reduce oxygen demand, improvement is exhaled in identical breathing tidal volume
Inhale function.In addition, implementing tracheotomy when respiratory arrest occurs for paralysis of respiratory muscle or other reasons, doing positive pressure artificial respiration etc..
Therefore, clinical departments doctor should be familiar with the adaptation symptom of tracheotomy, correct to handle to apply in time, save patient
Life.
Currently used method has general tracheotomy, emergency tracheotomy, intercricothyrotomy, permanent tracheae
Otomy, percutaneous tracheotomy, Quick trachea cut art, it is exactly to need by tracheotomy that such operation, which has one of identical point,
Then it needs for interannular fascia to be expanded to and is enough to be put into tracheostomy cannula, the device of currently used expanding channel is expansion
Situations such as clamping, but making channel discontinuity using stretching pliers, wound is be easy to cause to tear, and it is not easily controlled dynamics,
It is careless slightly the excessive of channel support to be caused to damage, while needing to control stretching pliers for a long time during surgery to keep channel
Expansion.
Summary of the invention
To solve the above problems, the purpose of the present invention is to provide a kind of tracheotomy expansions that can quantitatively adjust stroke
Open device.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of tracheotomy extension fixture provided by the invention, comprising: shell, expanding mechanism, screw lid, expanded film；
Offer through-hole on shell, the quantity of expanding mechanism be it is multiple, multiple expanding mechanisms are circumferentially arranged on shell and protrude into through-hole
Interior, expanding mechanism includes: guiding fixed link, rotating bar, connecting rod, sliding sleeve, sliding bar, expansion part；Fixed link setting is oriented to exist
On shell, gear is provided in rotating bar, guiding fixed link, rotating bar, sliding sleeve, connecting rod successively hingedly form four-bar mechanism,
It is provided with guide part in guiding fixed link, sliding bar is movably arranged on guide part and connect with expansion part, expansion part movable sleeve
In sliding sleeve, helical tooth is provided on screw lid, expanded film is arranged on multiple expansion parts；Screw lid is movably arranged on
On shell and helical tooth is engaged with multiple gears, and rotation screw lid will drive multiple gears to rotate and make four-bar mechanism successively band
It moves multiple expansion parts, expanded film and synchronizes expansion or contraction in through-hole.
Further, device further includes the first swivel becket, the second swivel becket, and the first swivel becket, the setting of the second swivel becket exist
On shell, the hinged place between guiding fixed link, rotating bar wears the first swivel becket, hinged between guiding fixed link, connecting rod
Place wears the second swivel becket.
Further, expanding mechanism further includes that bar is auxiliarily fixed, and guiding fixed link is auxiliarily fixed bar and is fixedly connected on first
Between swivel becket, the second swivel becket, rotating bar, connecting rod are hinged on guiding fixed link, are auxiliarily fixed between bar.
Further, the first swivel becket, be provided with more than one fixed block on the second swivel becket, fixed block is connected to shell
On body.
Further, long through slot is offered on sliding bar, guide part includes T font guide pad, and guide pad setting is long logical
In slot.
Further, gear is partial gear structure, and the end of rotating bar is arranged in gear, is oriented to fixed link and gear phase
Hingedly.
Further, multiple expanding mechanisms are circumferentially uniformly arranged, and expansion part is in be vertically arranged.
Further, expansion part includes expansion pipe, and expansion pipe includes the bending section for bending towards through-bore axis.
Further, shell is circular ring shape, and cavity resigning is offered on shell, and expanding mechanism is arranged in cavity resigning,
It is also provided on shell and carries out the relief hole that flexible elongated slot steps down and stretches convenient for sliding bar convenient for expanding mechanism.
Further, cavity resigning top is located on shell and is provided with step structure, screw lid is movably arranged on Step-edge Junction
More than one rotation shift plate is provided on structure, on screw lid.
Tracheotomy extension fixture of the invention, lower end expansion part is in contraction state when the device is initial, expands at this time
Part cooperation expanded film is in minimum outer diameter state, the channel that the lower end expanded film partial insertion of device is expanded
In, screw lid then is rotated with hand, helical tooth synchronizes rotation thereon for screw lid drive, because being engaged with circumferential direction on helical tooth
The gear of distribution, when helical tooth rotation, rotating bar synchronizes downwards rotation, and the sliding sleeve in four-bar mechanism is moved,
Expansion part drives expanded film to synchronize and is expanded at this time, so that circumferentially distributed expansion part is in maximum outside diameter state, at this time
Channel is supportted by expansion part and expanded film to maximum, to carry out next step operation, which can quantitatively adjust stroke, letter
It is single convenient and practical.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is structure chart when tracheotomy extension fixture of the present invention is unexpanded；
Fig. 2 is direct-view figure when tracheotomy extension fixture of the present invention is unexpanded；
Structure chart when Fig. 3 is tracheotomy extension fixture of the present invention expansion；
Direct-view figure when Fig. 4 is tracheotomy extension fixture of the present invention expansion；
Fig. 5 is internal structure chart when tracheotomy extension fixture of the present invention is unexpanded；
Internal structure chart when Fig. 6 is tracheotomy extension fixture of the present invention expansion；
Fig. 7 is the structure chart of shell in tracheotomy extension fixture of the present invention；
Fig. 8 is the structure chart of the first swivel becket, the second swivel becket in tracheotomy extension fixture of the present invention；
Fig. 9 is structure chart when four-bar mechanism is shunk in tracheotomy extension fixture of the present invention；
Figure 10 is a kind of structure chart of angle when four-bar mechanism is stretched out in tracheotomy extension fixture of the present invention；
Figure 11 is the structure chart of another kind angle when four-bar mechanism is stretched out in tracheotomy extension fixture of the present invention；
Figure 12 is the structure chart of rotating bar in tracheotomy extension fixture of the present invention；
Figure 13 is the structure chart that fixed link is oriented in tracheotomy extension fixture of the present invention；
Figure 14 is the structure chart of sliding bar in tracheotomy extension fixture of the present invention；
Figure 15 is the structure chart of screw lid in tracheotomy extension fixture of the present invention；
Wherein appended drawing reference are as follows: 1, shell；2, screw lid；3, expanded film；4, through-hole；5, it is oriented to fixed link；6, it rotates
Bar；7, connecting rod；8, sliding sleeve；9, sliding bar；10, gear；11, helical tooth；12, the first swivel becket；13, the second swivel becket；14,
Bar is auxiliarily fixed；15, fixed block；16, long through slot；17, guide pad；18, expansion pipe；19, cavity is stepped down；20, elongated slot is stepped down；
21, relief hole；22, step structure；23, shift plate is rotated；24, anchorage bar.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
As shown in Fig. 1 to 15, a kind of tracheotomy extension fixture of the embodiment of the present invention, comprising: shell 1, expanding mechanism,
Screw lid 2, expanded film 3；Offer through-hole 4 on shell 1, the quantity of expanding mechanism be it is multiple, multiple expanding mechanisms are circumferentially set
It sets on shell 1 and protrudes into through-hole 4, expanding mechanism includes: guiding fixed link 5, rotating bar 6, connecting rod 7, sliding sleeve 8, sliding
Bar 9, expansion part；Expansion part includes expansion pipe 18, and expansion pipe 18 includes the bending section for bending towards 4 axis of through-hole, is oriented to fixed link 5
It is arranged on shell 1, gear 10 is provided in rotating bar 6, guiding fixed link 5, rotating bar 6, sliding sleeve 8, connecting rod 7 is successively hinged
Four-bar mechanism is formed, is oriented in fixed link 5 and is provided with guide part, sliding bar 9 is movably arranged on guide part and connects with expansion part
It connects, expansion part movable set is provided with helical tooth 11 in sliding sleeve 8 on screw lid 2, expanded film 3 is arranged in multiple expansions
On part；Screw lid 2 is movably arranged on shell 1 and helical tooth 11 is engaged with multiple gears 10, and rotation screw lid 2 will drive multiple
Gear 10 rotates and makes four-bar mechanism that multiple expansion parts, expanded film 3 successively be driven to synchronize expansion or receipts in through-hole 4
Contracting.It is covered with an Extendable cycles film 3 on the expansion pipe 18 of even circumferential distribution, when 18 outer diameter of expansion pipe of even circumferential distribution
When opening to maximum, expanded film 3 is tightened up.
Tracheotomy extension fixture of the invention, lower end expansion part is in contraction state when the device is initial, expands at this time
Part cooperation expanded film 3 is in minimum outer diameter state, 3 partial insertion of lower end expanded film of device is expanded logical
In road, screw lid 2 then is rotated with hand, helical tooth 11 synchronizes rotation to the drive of screw lid 2 thereon, because nibbling on helical tooth 11
Conjunction has circumferentially distributed gear 10, and when helical tooth 11 rotates, rotating bar 6 synchronizes downwards rotation, the cunning in four-bar mechanism
Dynamic set 8 is moved, and expansion part drives expanded film 3 to synchronize and expanded at this time, so that circumferentially distributed expansion part is in most
Big outer diameter state, channel is by expansion part and the support of expanded film 3 to maximum at this time, to carry out next step operation, which can
Stroke is quantitatively adjusted, it is simple and convenient practical.
Preferably, device further includes the first swivel becket 12, the second swivel becket 13, the first swivel becket 12, the second swivel becket
13 are arranged on shell 1, and guiding fixed link 5, the hinged place between rotating bar 6 wear the first swivel becket 12, guiding fixed link 5,
Hinged place between connecting rod 7 wears the second swivel becket 13, is consolidated by the first swivel becket 12, the second swivel becket 13 to expanding mechanism
It is fixed.
The first swivel becket 12 is identical as 13 size of the second swivel becket and thickness in the present apparatus, the first swivel becket 12 and second turn
About 13 rotating ring arranges, hinge is dynamic on the first swivel becket 12 is connected with rotating bar 6, several rotating bars 6 on the first swivel becket 12 around
12 even circumferential of the first swivel becket distribution (the present embodiment use 12 groups).
Preferably, expanding mechanism further includes that bar 14 is auxiliarily fixed, guiding fixed link 5 is auxiliarily fixed bar 14 and is fixedly connected
Between the first swivel becket 12, the second swivel becket 13, rotating bar 6, connecting rod 7 are hinged on guiding fixed link 5, bar 14 are auxiliarily fixed
Between.
It has been respectively fixedly connected with guiding fixed link 5 on first swivel becket 12 of each 6 two sides of rotating bar and bar is auxiliarily fixed
14, guiding fixed link 5 with bar 14 be auxiliarily fixed be fixedly connected respectively with the first swivel becket 12 and the second swivel becket 13, fixed guide
Fixed pole 5 with bar 14 be auxiliarily fixed play the role of positioning in the two sides of rotating bar 6 to rotating bar 6, prevent rotating bar 6 in the first swivel becket
It shifts when being rotated on 12.
Preferably, being provided with more than one fixed block 15, fixed block 15 on the first swivel becket 12, the second swivel becket 13
It is connected on shell 1.
Several fixed blocks 15 are distributed in the rest even circumferential of first swivel becket 12 and the second swivel becket 13, fixed
First swivel becket 12 is fixedly connected with the second swivel becket 13 with shell 1 by block 15.
Preferably, offering long through slot 16 on sliding bar 9, guide part includes T font guide pad 17, and guide pad 17 is arranged
In long through slot 16.
Sliding bar 9 is provided with perforative long through slot 16 up and down in middle position along long extreme direction, is oriented to the T of 5 upper end of fixed link
Font guide pad 17, which is stuck in the long through slot 16 of sliding bar 9, to be oriented to sliding bar 9 during sliding bar 9 is mobile
Effect also defines sliding bar 9 and expansion pipe 18 is driven not can be carried out vertical direction movement, can only carry out long 16 direction of through slot
It is mobile, when sliding bar 9 moves forward so that guide pad 17 withstands on long 16 rearmost end of through slot, expand axis of the pipe 18 apart from through-hole 4
Line is nearest, and the expansion pipe 18 of circle distribution is in minimum outer diameter state at this time, withstands on guide pad 17 when sliding bar 9 moves backward
When long 16 front end of through slot, the expansion pipe 18 of circle distribution is in maximum outside diameter state, expands the lower end of pipe 18 to centre
4 axis direction of through-hole bending, so that one encloses the lower ends for expanding pipe 18 when several expansion 18 even circumferentials of pipe distributions in gathering
Shape.
The upper end of guiding fixed link 5 is fixed as one and has the guide pad 17 of T font, is oriented to fixed link 5 and bar 14 is auxiliarily fixed
It cuts with scissors to move on second swivel becket 13 in middle position and is connected with connecting rod 7, be oriented to fixed link 5 and bar 14 is auxiliarily fixed simultaneously also to connecting rod
7 rotation play the guiding role, and the dynamic both ends for being connected with anchorage bar 24 are cut with scissors in 7 middle position of connecting rod and 6 middle position of rotating bar respectively,
The both ends of dynamic connection sliding sleeve 8 are cut with scissors in the rear end of rotating bar 6 and connecting rod 7 simultaneously, and sliding sleeve 8 is towards the first swivel becket 12 and second turn
The end face of the cyclic annular axis of rotating ring 13 is arc surface, which is convenient for increasing aisle spare when subsequent procedures.
Preferably, gear 10 is partial gear structure, gear 10 is arranged in the end of rotating bar 6, guiding fixed link 5 with
Gear 10 is hinged.
The rod segment of rotating bar 6 length identical with connecting rod 7 makes sliding sleeve 8 be in vertical state, guiding fixed link 5,
Rod segment, connecting rod 7, sliding sleeve 8, the first swivel becket 12 and the second swivel becket 13 of rotating bar 6 form four-bar mechanism, so that when turning
Sliding sleeve 8 remains vertical state when lever 6 and connecting rod 7 rotate, and the effect of anchorage bar 24 is so that four-bar mechanism
It is more stable with fastening, expansion pipe 18 is connected to inside sliding sleeve 8, expansion pipe 18 is in elongate cylindrical shape, expands 18 upper end of pipe and cunning
The lower end surface of lever 9 is fixedly connected with one.
Preferably, shell 1 is circular ring shape, cavity resigning 19 is offered on shell 1, expanding mechanism setting is stepped down in cavity
In 19, it is also provided on shell 1 and carries out flexible long through slot 16 convenient for expanding mechanism and step down 20 and to allow convenient for what sliding bar 9 stretched
Position hole 21.
Shell 1 is provided with the first swivel becket 12 with the four-bar mechanism part that the second swivel becket 13 is connect with circumference thereon
The cavity resigning 19 of similar annulus and elongated slot step down 20 so that four-bar mechanism is rotated, and shell 1 moves back sliding bar 9
Dynamic to be provided with relief hole 21 on the outer wall, the generally circular ring shape of shell 1, centre is that through-hole 4 is convenient for surgical procedure.
Preferably, being located at 19 tops of cavity resigning on shell 1 is provided with step structure 22, screw lid 2 is movably arranged on
On step structure 22, more than one rotation shift plate 23 is provided on screw lid 2.
1 upper plenum of shell resigning, 19 two sides inner wall upper ends are provided with step structure 22, so as in 1 upper ends annulus of shell
The screw lid 2 of shape, the lower end surface of screw lid 2 are spiral toothing, and upper surface circle distribution has rotation shift plate 23, rotating bar 6
Upper end is partial gear structure, 10 part of gear of the rotating bar 6 of circle distribution while meshing spiral lid 2 on the first swivel becket 12
Helical tooth 11, and designed by structure so that all 6 angles of rotating bar being engaged on helical tooth 11 are consistent so that
Remain that distance of the sliding sleeve 8 of vertical state apart from 4 central axis of through-hole is always consistent on four-bar mechanism, so that institute
The expansion pipe 18 for having even circumferential to be distributed can synchronize the relative position of holding Yu 4 central axis of through-hole always, using helical tooth
11 advantages that rotating bar 6 is controlled by rotating are all rotations for enabling to it to engage when rotating screw lid 2
Bar 6 synchronizes rotation with identical revolving speed, and all expansion pipes 18 are synchronized and are retreated.
When needing progress in use, lower end expansion pipe 18 is in contraction state when the device is initial, expansion pipe 18 is matched at this time
It closes expanded film 3 and is in minimum outer diameter state, the channel that 3 partial insertion of lower end expanded film of device is expanded
In, the rotation shift plate 23 of 1 upper end of hand roll-shell is then used, screw lid 2 drives its helical tooth 11 being fixed as one to synchronize
Rotation, because being engaged with 10 part of gear of the rotating bar 6 of even circumferential distribution on helical tooth 11, when helical tooth 11 rotates,
Rotating bar 6 synchronizes rotation downwards around the first swivel becket 12, because of guiding fixed link 5, rotating bar 6, connecting rod 7 and sliding
8 composition four-bar mechanism of set, sliding sleeve 8 keep vertical state mobile to separate 4 axially direction of through-hole, mobile in sliding sleeve 8
In the process, drive expansion pipe 18 in the horizontal direction far from synchronizing moving in 4 axially direction of through-hole, because expansion 18 upper end of pipe is solid
Surely it is connected with sliding bar 9, sliding bar 9 is provided with perforative long through slot 16 up and down in middle position along long extreme direction, is oriented to fixed link 5
The T font guide pad 17 of upper end, which is stuck in the long through slot 16 of sliding bar 9, to be made during sliding bar 9 is mobile to sliding bar 9
Guiding role is carried out, sliding bar 9 is also defined and expansion pipe 18 is driven not can be carried out vertical direction movement, long through slot can only be carried out
The movement in 16 directions, so that sliding sleeve 8, which drives, expands the expansion that pipe 18 carries out expansion pipe 18 in sliding bar 9 along long 16 direction of through slot
Zhang Yidong expands the drive expanded film 3 of pipe 18 at this time and synchronizes and expanded, withstands on guide pad 17 when sliding bar 9 moves backward
When long 16 front end of through slot, the expansion pipe 18 of circle distribution is in maximum outside diameter state, and channel is by expansion pipe 18 and expansion at this time
The support of film 3 is to maximum, to carry out next step operation.
The innovation of the invention consists in that:
1. sliding bar 9 is provided with perforative elongated through slot 16 up and down in middle position along long extreme direction, it is oriented to 5 upper end of fixed link
T font guide pad 17 be stuck in the long through slot 16 of sliding bar 9 and to carry out sliding bar 9 during sliding bar 9 is mobile
Guiding role also defines sliding bar 9 and expansion pipe 18 is driven not can be carried out vertical direction movement, can only carry out long 16 side of through slot
To movement, when sliding bar 9 move forward so that guide pad 17 withstands on long 16 rearmost end of through slot when, expand pipe 18 apart from through-hole 4
Axis is nearest, and the expansion pipe 18 of circle distribution is in minimum outer diameter state at this time, pushes up guide pad 17 when sliding bar 9 moves backward
At long 16 front end of through slot, the expansion pipe 18 of circle distribution is in maximum outside diameter state.
2. the helical tooth of 10 part of gear of the rotating bar 6 of circle distribution while meshing spiral lid 2 on the first swivel becket 12
11, and designed by structure so that all 6 angles of rotating bar being engaged on helical tooth 11 are consistent, using helical tooth 11
The advantage that rotating bar 6 is controlled by rotating is all rotating bars for enabling to it to engage when rotating screw lid 2
6 synchronize rotation with identical revolving speed, and all expansion pipes 18 are synchronized and are retreated.
3. the rod segment of rotating bar 6 length identical with connecting rod 7 makes sliding sleeve 8 be in vertical state, it is oriented to fixed link
5, the rod segment of rotating bar 6, connecting rod 7, sliding sleeve 8, the first swivel becket 12 and the second swivel becket 13 form four-bar mechanism, so that working as
Sliding sleeve 8 remains vertical state when rotating bar 6 and connecting rod 7 rotate, and the effect of anchorage bar 24 is so that four bar machines
Structure is more stable and fastens.
4. the rod end of 10 front end of gear is 6 structure of rotating bar, rear end is the disc-shaped structure of partial gear 10, so that passing through
11 engagement rotation of helical tooth with screw lid 2 is to drive 6 part of rotating bar of front end to carry out angular turn, so as to drive
Four-bar mechanism.
5. the first swivel becket 12 is arranged with the four-bar mechanism part that the second swivel becket 13 is connect with circumference thereon for shell 1
Have the cavity of similar annulus step down 19 and elongated slot step down 20 so that four-bar mechanism is rotated, and shell 1 for sliding bar 9 backward
Mobile to be provided with relief hole 21 on the outer wall, the generally circular ring shape of shell 1, centre is that through-hole 4 is convenient for surgical procedure, on shell 1
19 two sides inner wall upper ends of cavity resigning are provided with step structure 22, so as in the screw lid 2 of 1 upper ends circular ring shape of shell.
6. expanding pipe 18 is in elongate cylindrical shape, 18 upper end of pipe is expanded with the lower end surface of sliding bar 9 and is fixedly connected with one, is expanded
The lower end of pipe 18 is bent to 4 axis direction of intermediate throughholes, so that when a circle several 18 even circumferentials of expansion pipe distribution
The lower end of pipe 18 is expanded in shape is collapsed, and is covered with an Extendable cycles film 3 on the expansion pipe 18 of even circumferential distribution, is worked as even circumferential
When 18 outer diameter of expansion pipe of distribution is flared to maximum, expanded film 3 is tightened up.
7. being respectively fixedly connected with guiding fixed link 5 on the first swivel becket 12 of each 6 two sides of rotating bar and being auxiliarily fixed
Bar 14, guiding fixed link 5 with bar 14 be auxiliarily fixed be fixedly connected respectively with the first swivel becket 12 and the second swivel becket 13, guiding
Fixed link 5 with bar 14 be auxiliarily fixed play the role of positioning in the two sides of rotating bar 6 to rotating bar 6, prevent rotating bar 6 in the first rotation
It shifts when being rotated on ring 12.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of tracheotomy extension fixture characterized by comprising shell, expanding mechanism, screw lid, expanded film；It is described
Offer through-hole on shell, the quantity of the expanding mechanism be it is multiple, multiple expanding mechanisms are circumferentially arranged in the shell
It above and protrudes into the through-hole, the expanding mechanism includes: guiding fixed link, rotating bar, connecting rod, sliding sleeve, sliding bar, expansion
Part；The guiding fixed link setting on the housing, is provided with gear, the guiding fixed link, rotation in the rotating bar
Bar, sliding sleeve, connecting rod successively hingedly form four-bar mechanism, and guide part is provided in the guiding fixed link, and the sliding bar is living
Dynamic to be arranged on the guide part and connect with the expansion part, the expansion part movable set is described in the sliding sleeve
Helical tooth is provided on screw lid, the expanded film is arranged on multiple expansion parts；The screw lid is movably arranged on
On the shell and the helical tooth is engaged with multiple gears, and multiple gear rotations will be driven by rotating the screw lid
And make the four-bar mechanism that multiple expansion parts, the expanded film successively be driven to synchronize expansion in the through-hole
Or it shrinks.
2. extension fixture according to claim 1, which is characterized in that described device further includes the first swivel becket, second turn
Rotating ring, first swivel becket, the second swivel becket are arranged on the housing, the hinge between the guiding fixed link, rotating bar
The place of connecing wears first swivel becket, and the hinged place between the guiding fixed link, connecting rod wears second swivel becket.
3. extension fixture according to claim 2, which is characterized in that the expanding mechanism further includes that bar is auxiliarily fixed, institute
Guiding fixed link is stated, bar is auxiliarily fixed is fixedly connected between first swivel becket, the second swivel becket, the rotating bar, company
Bar is hinged on the guiding fixed link, is auxiliarily fixed between bar.
4. extension fixture according to claim 2, which is characterized in that be arranged on first swivel becket, the second swivel becket
There is more than one fixed block, the fixed block connection is on the housing.
5. extension fixture according to claim 1, which is characterized in that long through slot is offered on the sliding bar, it is described to lead
It include T font guide pad to part, the guide pad is arranged in the long through slot.
6. extension fixture according to claim 1, which is characterized in that the gear is partial gear structure, the gear
The end of the rotating bar is set, and the guiding fixed link is hinged with the gear.
7. extension fixture according to claim 1, which is characterized in that multiple expanding mechanisms are circumferentially uniformly arranged, institute
Stating expansion part is in be vertically arranged.
8. extension fixture according to claim 1, which is characterized in that the expansion part includes expansion pipe, the expansion pipe
It include the bending section for bending towards the through-bore axis.
9. extension fixture according to claim 1, which is characterized in that the shell is circular ring shape, is opened up on the shell
There is cavity resigning, the expanding mechanism setting is also provided on the shell in cavity resigning convenient for the dilator
Structure carries out the relief hole that flexible elongated slot steps down and stretches convenient for the sliding bar.
10. extension fixture according to claim 9, which is characterized in that be located at cavity resigning top on the shell
It is provided with step structure, the screw lid is movably arranged on the step structure, is provided with more than one on the screw lid
Rotation shift plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810311634.7A CN108378882B (en) | 2018-04-09 | 2018-04-09 | A kind of tracheotomy extension fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810311634.7A CN108378882B (en) | 2018-04-09 | 2018-04-09 | A kind of tracheotomy extension fixture |
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| Publication Number | Publication Date |
|---|---|
| CN108378882A CN108378882A (en) | 2018-08-10 |
| CN108378882B true CN108378882B (en) | 2019-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810311634.7A Expired - Fee Related CN108378882B (en) | 2018-04-09 | 2018-04-09 | A kind of tracheotomy extension fixture |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109330733B (en) * | 2018-11-30 | 2024-05-28 | 李永彬 | Synchronous expansion device of livestock wound circumference |
| CN109821142B (en) * | 2019-04-11 | 2021-04-23 | 河南科技大学第一附属医院 | Rotating disc type medical anus dilator |
| CN110464521A (en) * | 2019-09-17 | 2019-11-19 | 蒋帼素 | External auditory canal expandable stent |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3749088A (en) * | 1971-06-23 | 1973-07-31 | W Kohlmann | Surgical retractor device |
| WO2006116336A2 (en) * | 2005-04-25 | 2006-11-02 | Depuy Spine, Inc. | Cassette based surgical retractor |
| CN1972635A (en) * | 2002-06-26 | 2007-05-30 | 华沙整形外科股份有限公司 | Instruments and methods for minimally invasive tissue retraction and surgery |
| CN201070363Y (en) * | 2007-06-18 | 2008-06-11 | 傅强 | Minimally invasive surgery expanding device with minitype camera and light source |
| CN201131766Y (en) * | 2007-06-18 | 2008-10-15 | 傅强 | A minimally invasive surgery strutting device with endoscope and light source |
| CN203107190U (en) * | 2013-03-11 | 2013-08-07 | 黄义星 | Self-retaining retractor of cervicothoracic vertebral anterior minimally invasive surgery |
| WO2014066646A1 (en) * | 2012-10-24 | 2014-05-01 | Blackstone Medical, Inc. | Retractor device and method |
| WO2014182522A1 (en) * | 2013-05-10 | 2014-11-13 | Spine Wave, Inc. | Retractor for use in spinal surgery |
| CN208851542U (en) * | 2018-04-09 | 2019-05-14 | 郑州大学第一附属医院 | A kind of tracheotomy extension fixture |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007069232A2 (en) * | 2005-12-15 | 2007-06-21 | Microdel Idea Center Ltd. | Improved radial expansible retractor for minimally invasive surgery |
| US20070156025A1 (en) * | 2006-01-04 | 2007-07-05 | Connie Marchek | Surgical retractors and methods of minimally invasive surgery |
-
2018
- 2018-04-09 CN CN201810311634.7A patent/CN108378882B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3749088A (en) * | 1971-06-23 | 1973-07-31 | W Kohlmann | Surgical retractor device |
| CN1972635A (en) * | 2002-06-26 | 2007-05-30 | 华沙整形外科股份有限公司 | Instruments and methods for minimally invasive tissue retraction and surgery |
| WO2006116336A2 (en) * | 2005-04-25 | 2006-11-02 | Depuy Spine, Inc. | Cassette based surgical retractor |
| CN201070363Y (en) * | 2007-06-18 | 2008-06-11 | 傅强 | Minimally invasive surgery expanding device with minitype camera and light source |
| CN201131766Y (en) * | 2007-06-18 | 2008-10-15 | 傅强 | A minimally invasive surgery strutting device with endoscope and light source |
| WO2014066646A1 (en) * | 2012-10-24 | 2014-05-01 | Blackstone Medical, Inc. | Retractor device and method |
| CN203107190U (en) * | 2013-03-11 | 2013-08-07 | 黄义星 | Self-retaining retractor of cervicothoracic vertebral anterior minimally invasive surgery |
| WO2014182522A1 (en) * | 2013-05-10 | 2014-11-13 | Spine Wave, Inc. | Retractor for use in spinal surgery |
| CN208851542U (en) * | 2018-04-09 | 2019-05-14 | 郑州大学第一附属医院 | A kind of tracheotomy extension fixture |
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|---|---|
| CN108378882A (en) | 2018-08-10 |
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