CN108542443A - A kind of tracheotomy synchronization extension fixture - Google Patents
A kind of tracheotomy synchronization extension fixture Download PDFInfo
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- CN108542443A CN108542443A CN201810412765.4A CN201810412765A CN108542443A CN 108542443 A CN108542443 A CN 108542443A CN 201810412765 A CN201810412765 A CN 201810412765A CN 108542443 A CN108542443 A CN 108542443A
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- threaded post
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- cutting ferrule
- extension fixture
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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
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- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention relates to medical instruments fields, and in particular to a kind of tracheotomy synchronization extension fixture, including：Shell, gear, expanding mechanism, the first threaded post, the second threaded post, rotation loop bar, cutting ferrule.The quantity of expanding mechanism is multiple, and multiple expanding mechanisms are circumferentially provided on shell, and gear, which is arranged in housing through-hole to connect with multiple expanding mechanisms, drives multiple expanding mechanisms to synchronize expansion or contraction.Loop bar is rotated when use drives the rotation of the second threaded post, second threaded post moves axially in the case where being threadedly coupled with cutting ferrule and pushes the first threaded post, first threaded post with cutting ferrule in the case where being threadedly coupled, first threaded post is mobile and is rotated, the multiple expanding mechanisms engaged with moving gear and gear synchronize expansion or contraction, channel to be performed the operation is expanded to suitable position, consequently facilitating carrying out next step operation by seal wire through-hole, the device can quantify and adjust stroke, simple and convenient practicality.
Description
Technical field
The present invention relates to medical instruments fields, and extension fixture is synchronized in particular to a kind of tracheotomy.
Background technology
Tracheotomy is a kind of emergent operation, is initially served only for expiratory dyspnea caused by releasing laryngemphraxis.With to exhaling
Understanding in depth for the pathologic, physiologic function in road is inhaled, tracheotomy has become the important auxiliary treatment means of certain diseases.As respectively
Long period coma patient caused by kind reason, lower respiratory tract secretion accumulate, and influence pulmonary gas exchange, after tracheotomy, under
Respiratory secretions 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, when respiratory arrest occurs for paralysis of respiratory muscle or other reasons, tracheotomy, row positive pressure artificial respiration etc. are implemented.
Therefore, clinical departments doctor should be familiar with the indication of tracheotomy, correct to handle to apply in time, save patient's life
Life.
Currently used method has general tracheotomy, emergency tracheotomy, intercricothyrotomy, permanent tracheae
Otomy, percutaneous tracheotomy, Quick trachea cut art, it is exactly to need that tracheae will be cut that such operation, which has one of identical point,
It opens, then needs interannular fascia being expanded to and be enough to be put into tracheostomy cannula, the device of currently used expanding channel is to expand
Situations such as opening pincers, but making channel discontinuity using stretching pliers, be easy to cause wound tearing, and it is not easily controlled power
Degree, it is careless slightly the excessive of channel support to be caused to damage, while needing to control stretching pliers during surgery for a long time to keep
The expansion in channel.
It is rotating dilator to have a kind of novel expanded mode now, is expanded opening by rotating using tapered thread
, such expansion pattern has the advantages such as simple operation and bleeding be few, but carries out expansion using tapered thread structure and be easy to
Tracheostomy can be caused to hold out in spite of difficulties expansion to peripheral tissues during rotary expansion, and extrusion tissue makes wound be not easy outward
Healing has certain hidden danger for patient.
Invention content
To solve the above problems, the purpose of the present invention is to provide a kind of tracheotomy that can quantify adjusting stroke is same
Walk extension fixture.
The purpose of the present invention is what is be achieved through the following technical solutions：
A kind of tracheotomy provided by the invention synchronizes extension fixture, including：Shell, gear, expanding mechanism, the first threaded post,
Second threaded post, rotation loop bar, cutting ferrule；Housing through-hole is offered on shell, the first threaded post is arranged in housing through-hole and covers
Cogged can be rotated with moving gear, and card is set on shell, offers the first threaded hole and the second threaded hole on cutting ferrule, and first
Threaded post wears the first threaded hole and is threadedly coupled with cutting ferrule；The quantity of expanding mechanism is multiple, and multiple expanding mechanisms are circumferentially disposed
On shell, gear be arranged in housing through-hole connect with multiple expanding mechanisms drive multiple expanding mechanisms synchronize expand or
It shrinks；Second threaded post wears the second threaded hole and is threadedly coupled and supports the first threaded post with cutting ferrule, and rotary sleeve rod set is mounted in the
The second threaded post can be driven to rotate in two threaded posts, the seal wire through-hole of perforation is offered in the first threaded post, the second threaded post.
Further, expanding mechanism includes：Rack, expansion pipe；Multiple openings stretched out convenient for rack are offered on shell,
Multiple rack and pinions engage, and the part stretched out outside shell on rack is connect with expansion pipe, and gear drives multiple expansion pipes to carry out
Synchronous expansion is shunk.
Further, multiple racks are respectively at different planes along the thickness direction of gear.
Further, multiple corresponding openings are offered on shell, and the guide groove being oriented to is stretched out to rack.
Further, expansion Guan Chengsan rolls over shape, and device further includes Flexible Reset circle, and Flexible Reset snare is located at multiple expansions
Guan Shang.
Further, rotation loop bar includes the lasso and bull stick being connected, and lasso conducting bar, the second spiral shell are provided in lasso
Thread guide groove is provided on line column, lasso conducting bar is arranged in thread guide groove.
Further, cutting ferrule bar is provided on cutting ferrule, bull stick is three folding shapes, and the end sections and cutting ferrule bar of bull stick are along second
The axis direction of threaded post is in same plane.
Further, multiple screens teeth are provided on cutting ferrule, rotation loop bar is arranged in multiple screens teeth and the second threaded post
Between, multiple screens tooth clampings rotate loop bar.
Further, it is provided with screw thread conducting bar in the first threaded post, limiting block is both provided at the both ends of screw thread conducting bar
Piece, gear guide groove is offered in gear, and screw thread conducting bar is arranged in gear guide groove.
Further, device further includes ball, and ball is arranged at the place that supports of the first threaded post and the second threaded post, and first
Threaded post, ball, the seal wire through-hole that perforation is offered in the second threaded post；First threaded post, the second threaded post are multi-thread spiral shell
Line column.
The tracheotomy of the present invention synchronizes extension fixture, and rotation loop bar drives the rotation of the second threaded post, the second spiral shell when use
Line column moves axially in the case where being threadedly coupled with cutting ferrule and pushes the first threaded post, the first threaded post to connect with cutting ferrule screw thread
In the case of connecing, the first threaded post is mobile and is rotated, and the multiple expanding mechanisms engaged with moving gear and gear synchronize
Expansion is shunk, and channel to be performed the operation is expanded to suitable position, consequently facilitating next step operation is carried out by seal wire through-hole, it should
Device can quantify and adjust stroke, simple and convenient practicality.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and is constituted part of this application, this hair
Bright illustrative embodiments and their description are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is structure chart when tracheotomy synchronization extension fixture of the present invention is unexpanded；
Fig. 2 is direct-view figure when tracheotomy synchronization extension fixture of the present invention is unexpanded；
Fig. 3 is that tracheotomy of the present invention synchronizes a kind of structure chart of angle when extension fixture expansion；
Fig. 4 is the structure chart of another kind angle when tracheotomy of the present invention synchronizes extension fixture expansion；
Fig. 5 is cutaway view when tracheotomy of the present invention synchronizes extension fixture expansion；
Fig. 6 is direct-view figure when tracheotomy of the present invention synchronizes extension fixture expansion；
Fig. 7 is the structure chart that tracheotomy of the present invention synchronizes extension fixture middle casing；
Fig. 8 is the structure chart that tracheotomy of the present invention synchronizes extension fixture middle gear and rack；
Fig. 9 is that tracheotomy of the present invention synchronizes the structure chart that loop bar is rotated in extension fixture；
Figure 10 is the structure chart that tracheotomy of the present invention synchronizes cutting ferrule in extension fixture；
Figure 11 is the structure chart that tracheotomy of the present invention synchronizes the second threaded post in extension fixture；
Figure 12 is the structure chart that tracheotomy of the present invention synchronizes the first threaded post in extension fixture；
Wherein reference numeral is：1, shell；2, gear；3, the first threaded post；4, the second threaded post；5, loop bar is rotated；6, cutting ferrule；
7, housing through-hole；8, the first threaded hole；9, the second threaded hole；10, seal wire through-hole；11, rack；12, expansion pipe；13, it is open；
14, guide groove；15, guide pad；16, Flexible Reset circle；17, lasso；18, bull stick；19, lasso conducting bar；20, thread guide groove；21、
Cutting ferrule bar；22, screens tooth；23, screw thread conducting bar；24, catch is limited；25, gear guide groove；26, ball；27, casing；28, connecting rod；
29, seal wire；30, round platform；31, the first thread bush；32, the second thread bush.
Specific implementation mode
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 every other embodiment that member is obtained without making creative work should all belong to the model that the present invention protects
It encloses.
As shown in Fig. 1 to 12, a kind of tracheotomy of the embodiment of the present invention synchronizes extension fixture, including：Shell 1, gear
2, expanding mechanism, the first threaded post 3, the second threaded post 4, rotation loop bar 5, cutting ferrule 6；Housing through-hole 7 is offered on shell 1, the
The setting of one threaded post 3 is in housing through-hole 7 and set gear 2 can be rotated with moving gear 2, and cutting ferrule 6 is arranged on shell 1, cutting ferrule 6
On offer the first threaded hole 8 and the second threaded hole 9, the first threaded post 3 wears the first threaded hole 8 and is threadedly coupled with cutting ferrule 6；Expand
The quantity of mechanism is multiple, and multiple expanding mechanisms are circumferentially provided on shell 1, the setting of gear 2 in housing through-hole 7 with it is multiple
Expanding mechanism connection drives multiple expanding mechanisms to synchronize expansion or contraction；Second threaded post 4 wears the second threaded hole 9 and card
Set 6 is threadedly coupled and supports the first threaded post 3, and rotation loop bar 5, which is sleeved in the second threaded post 4, can drive the second threaded post 4 to revolve
Turn, the seal wire through-hole 10 of perforation is offered in the first threaded post 3, the second threaded post 4.
The tracheotomy of the present invention synchronizes extension fixture, and rotation loop bar 5 drives the rotation of the second threaded post 4 when use, and second
Threaded post 4 moves axially in the case where being threadedly coupled with cutting ferrule 6 and pushes the first threaded post 3, the first threaded post 3 with cutting ferrule
In the case that 6 are threadedly coupled, the first threaded post 3 is moved and is rotated, the multiple dilators engaged with moving gear 2 and gear 2
Structure synchronizes expansion or contraction, and channel to be performed the operation is expanded to suitable position, consequently facilitating being carried out by seal wire through-hole 10
It performs the operation in next step, which can quantify and adjust stroke, simple and convenient practicality.
Preferably, expanding mechanism includes：Rack 11, expansion pipe 12；It is offered on shell 1 multiple convenient for the stretching of rack 11
Opening 13, multiple racks 11 engage with gear 2, and the part stretched out outside shell 1 on rack 11 is connect with expansion pipe 12, gear 2
It drives multiple expansion pipes 12 to synchronize expansion or contraction, the quantitative tune for carrying out stroke can be stablized by rack pinion
Section.
Preferably, multiple racks 11 are respectively at different planes along the thickness direction of gear 2.
The present apparatus is mainly grouped as by channel expansion and operation control portion.Channel expansion：It is cased with inside shell 1
Gear 2 is engaged with no less than three groups of racks 11 on gear 2（The technical program uses three groups）, wherein every group of rack 11 is by same
One level（That is same plane）Two racks 11 composition, two racks 11 of every group of rack 11 are right centered on 2 axis of gear
Claim.For rack 11 between different groups not in same level, the thickness of the technical program middle gear 2 is at least slightly greater than 3 times of racks
11 thickness, three groups of racks 11 are distributed with 2 uniform thickness of gear to be engaged, when gear 2 is rotated with carry-over bar 11, different groups
Between rack 11 will not interfere.And when using the group number of different number, the thickness of gear 2 needs corresponding adjust to slightly
More than the multiple of 11 correspondence group number of rack, three groups of racks 11 of the technical program are uniform in 120 degree two-by-two on 2 circumferential angle of gear
Distribution has six because two racks 11 of every group of rack 11 are symmetrical centered on 2 axis of gear on 2 circumferential angle of gear
11 even circumferential of toothed rack is distributed, and the corresponding opening 13 in front and rear end of six roots of sensation rack 11 is designed on shell 1, for six
It is two-way before and after toothed rack 11 to stretch out.
Preferably, offer multiple corresponding openings 13 on shell 1 stretches out the guide groove 14 being oriented to rack 11.Shell
The each rack of correspondence 11 is provided with the guide pad 15 with 1 one of shell inside body 1, guide pad 15 forms guide groove 14, is oriented to
Block 15 play the guiding role to the movement of rack 11.
Preferably, expansion pipe 12 is in three folding shapes, device further includes Flexible Reset circle 16, and Flexible Reset circle 16 is set in more
On a expansion pipe 12.
The front end face of 11 end of rack is fixed with Z-shape expansion pipe 12, and the expansion starting trend of pipe 12 is same with 2 axis of gear
To trend is changed to point to the direction of 2 axis of gear after first right-angle bending, is passed through again when expansion pipe 12 levels off to axis
Second right-angle bending is crossed, the last trend of expansion pipe 12 is made to become in the same direction with 2 axis of gear again, because three groups of racks 11
Level is different, so fixed on every group of rack 11 expand straight section length length of the pipe 12 without first right-angle bending
Differ, the straight section length of the corresponding expansion pipe 12 of the rack 11 by front position is short, rearward 11 corresponding expansion of the rack pipe of position
12 straight section length is long, be finally reached six roots of sensation circumferential angle 12 first right-angle bendings of equally distributed expansion pipe be respectively positioned on it is same
In a level, the structure and length after six roots of sensation expansion 12 first bendings of pipe are completely the same.Expansion 12 Front-end Design of pipe has one
The mellow and full end of the drops of body, in order to enter channel.Straight section after the six roots of sensation expands 12 second right-angle bendings of pipe is close
The position of bending part is cased with the Flexible Reset circle 16 with telescopic resilience, when expanding pipe 12 in expansion maximum rating, resets
The elastic shrinkage reset force of elastic ring 16 is maximum, when expansion pipe 12 is in normal unexpanded state, the bullet of Flexible Reset circle 16
Property retracted for clearance power it is minimum, Flexible Reset circle 16 is fixedly connected with expansion pipe 12 in the point being in contact so that Flexible Reset circle
16 can play expansion pipe 12 reset response will not move axially again relative to expansion pipe 12.
Preferably, rotation loop bar 5 includes the lasso 17 being connected and bull stick 18, lasso conducting bar is provided in lasso 17
19, thread guide groove 20 is provided in the second threaded post 4, lasso conducting bar 19 is arranged in thread guide groove 20, using lasso conducting bar 19,
Thread guide groove 20 is oriented to.
Preferably, being provided with cutting ferrule bar 21 on cutting ferrule 6, bull stick 18 is three folding shapes, the end sections and cutting ferrule of bull stick 18
Bar 21 is in same plane along the axis direction of the second threaded post 4.17 outer wall of lasso is fixedly connected with the bull stick 18 of Z-type, passes through
The cutting ferrule bar 21 of 32 outer wall of bull stick 18 and the second thread bush after bending is in same level so that the two can pass through a hand
Hold drive rotation loop bar 5 rotate, grip can drive completely rotation loop bar 5 rotate, if the two not in same level
It will produce internal stress when holding and so that device is unstable.
Preferably, being provided with multiple screens teeth 22 on cutting ferrule 6, rotation loop bar 5 is arranged in multiple screens teeth 22 and second
Between threaded post 4, multiple 22 clampings of screens tooth rotate loop bar 5.First threaded post 3, the second threaded post 4 are multi start thread column.
Cutting ferrule bar 21 is fixedly connected on the outer wall of second thread bush 32 of cutting ferrule 6, on the rear end face of the second thread bush 32
Circumferentially it is arranged at intervals with three screens teeth 22 stretched out backward, multi-thread second threaded post 4 of 32 rear end of the second thread bush for 120 degree
On be cased with 17 position of lasso of rotation loop bar 5, lasso 17 and multi-thread second threaded post 4 connect for feather key, multi-thread second threaded post 4
It is provided with thread guide groove 20 on tube wall, is correspondingly arranged on lasso conducting bar 19 outstanding on 17 inner wall of lasso, after the second thread bush 32
The screens tooth 22 that end is stretched out just is stuck in the rear end face of lasso 17, and lasso 17, which can only rotate, to be moved axially.
Preferably, being provided with screw thread conducting bar 23 in the first threaded post 3, it is respectively provided at the both ends of screw thread conducting bar 23 limited
Position catch 24, gear guide groove 25 is offered in gear 2, and screw thread conducting bar 23 is arranged in gear guide groove 25.
1 front end face of shell is provided with housing through-hole 7 with rear end face, and the cylindrical section of multi-thread first threaded post 3 is logical across shell
Hole 7 and with gear 2 be socketed, the cylindrical section outer wall of multi-thread first threaded post 3, which is axially fixed, is designed with screw thread conducting bar 23, gear
2 correspondences are designed with gear guide groove 25 so that relative movement in an axial direction can occur relative to gear 2 for multi-thread first threaded post 3
And cannot relatively rotate, the screw thread conducting bar 23 of multi-thread first threaded post, 3 cylindrical section is provided at both ends with limit catch outstanding
24, multi-thread first threaded post 3 and the relative movement of gear 2 are limited.The end of multi-thread first threaded post, 3 cylindrical section is arranged
For cone, it is provided with pre-and post perforative seal wire through-hole 10 in the axial direction in multi-thread first threaded post 3, seal wire through-hole 10 is in hand
Pass through for seal wire 29 in art.
Preferably, device further includes ball 26, supporting in the first threaded post 3 and the second threaded post 4 is arranged in ball 26
Place, the first threaded post 3, ball 26, the seal wire through-hole 10 that perforation is offered in the second threaded post 4.Multi-thread second threaded post 4 and circle
Pearl 26 is provided with the seal wire through-hole 10 consistent with multi-thread first threaded post 3 on axis so that seal wire 29 can run through from rear end
To front end and stretch out.Multi-thread second threaded post, 4 front end is wholely set the smaller round platform 30 of outer diameter, multi-thread second threaded post 4
It is connected by smooth ball 26 between round platform 30 and multi-thread first threaded post 3, the benefit connected by smooth ball 26 is when more
When the second threaded post of line 4 is pushed ahead, multi-thread first threaded post 3 can be pushed to synchronize and pushed ahead, and multi-thread second threaded post 4
Rotary rpm will not be transferred in multi-thread first threaded post 3, and multi-thread first threaded post 3 can determine certainly according to the thread pitch of itself
Oneself rotating speed.
1 rear end face of shell is fixedly and coaxially connected casing 27, and 27 inner hollow of casing is contactless with multi-thread first threaded post 3,
Casing 27 has been fixedly and coaxially connected cutting ferrule 6, the thread segment of multi-thread first threaded post of 31 face of the first thread bush of 6 front end of cutting ferrule 3,
And first thread bush 31 and the thread segment of multi-thread first threaded post 3 be to be threadedly coupled, the first thread bush 31 of cutting ferrule 6 and the second spiral shell
It is fixedly connected by symmetrical two connecting rods 28 between line set 32, multi-thread second threaded post 4 is cased with inside the second thread bush 32, it is more
It is to be threadedly coupled between the second threaded post of line 4 and the second thread bush 32.
Be in the normal condition closed up with expansion pipe 12 in the rack 11 using preceding device, when tracheotomy channel need into
When row expansion, the expansion pipe 12 of closed configuration is stretched out in channel, then one hand holds bull stick 18 and cutting ferrule bar 21, because of cutting ferrule
6 are fixedly connected with casing 27, and casing 27 is fixedly connected with shell 1 so that and cutting ferrule 6 will not rotate, so when holding, rotation
Pivoted housing bar 5 rotates, and rotation loop bar 5 drives multi-thread second threaded post 4 to rotate.Again because multi-thread second threaded post 4 with
Cutting ferrule 6 is threaded connection and cutting ferrule 6 will not rotate, and under the action of threaded connection, multi-thread second threaded post 4 is in rotation
It can move axially forward simultaneously, multi-thread second threaded post 4 pushes ball 26 to push multi-thread first threaded post 3 to Forward
It is dynamic, because the thread segment of multi-thread first threaded post 3 is to be threadedly coupled with the first thread bush 31 of cutting ferrule 6, multi-thread first spiral shell
Line column 3 can rotate while pushing ahead, at this time it should be noted that the rotating speed of multi-thread first threaded post 3 and multi-thread second spiral shell
It is differed between the rotating speed of line column 4 and also not related, herein for using the effect of ball 26, multi-thread first threaded post 3 turns
Speed is according to actual conditions, and rack 11 promotes rate that gear 2 is needed to provide suitable rotating speed, so as to adjust multi-thread first threaded post
3 screw pitch and obtain corresponding rotating ratio.When multi-thread first threaded post 3 is with 2 synchronous rotary of moving gear, the drive of gear 2 is nibbled with it
The rack 11 of conjunction synchronizes expansion, so that expansion pipe 12 synchronizes expansion, channel is expanded, seal wire 29 is then passed to, carried out
Subsequent procedures, after operation, expansion pipe 12 can be carried out gathering reset by Flexible Reset circle 16.
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 synchronizes extension fixture, which is characterized in that including：Shell, gear, expanding mechanism, the first threaded post,
Second threaded post, rotation loop bar, cutting ferrule；Housing through-hole is offered on the shell, first threaded post is arranged in the shell
In body through-hole and the suit gear can drive the gear to rotate, and the cutting ferrule is arranged on the housing, on the cutting ferrule
The first threaded hole and the second threaded hole are offered, first threaded post wears first threaded hole and connects with the cutting ferrule screw thread
It connects；The quantity of the expanding mechanism is multiple, and multiple expanding mechanisms are circumferentially disposed on the housing, the gear setting
Being connect with multiple expanding mechanisms in the housing through-hole drives multiple expanding mechanisms to synchronize expansion or contraction；
Second threaded post wears second threaded hole and is threadedly coupled with the cutting ferrule and supports first threaded post, the rotation
Pivoted housing rod set can drive second threaded post to rotate in second threaded post, first threaded post, the second screw thread
The seal wire through-hole of perforation is offered on column.
2. extension fixture according to claim 1, which is characterized in that the expanding mechanism includes：Rack, expansion pipe；Institute
It states and offers multiple openings stretched out convenient for the rack on shell, multiple racks are engaged with the gear, the rack
The upper part stretched out outside the shell is connect with the expansion pipe, and the gear drives multiple expansion pipes to synchronize expansion
Or it shrinks.
3. extension fixture according to claim 2, which is characterized in that thickness direction of multiple racks along the gear
It is respectively at different planes.
4. extension fixture according to claim 3, which is characterized in that offer multiple correspondences opening on the shell
The guide groove being oriented to is stretched out to the rack.
5. extension fixture according to claim 2, which is characterized in that the expansion Guan Chengsan rolls over shape, and described device is also wrapped
Flexible Reset circle is included, the Flexible Reset snare is located on multiple expansion pipes.
6. extension fixture according to claim 1, which is characterized in that the rotation loop bar include the lasso that is connected and
Bull stick is provided with lasso conducting bar in the lasso, and thread guide groove, the lasso conducting bar setting are provided in second threaded post
In the thread guide groove.
7. extension fixture according to claim 6, which is characterized in that be provided with cutting ferrule bar, the bull stick on the cutting ferrule
For three folding shapes, the end sections of the bull stick are in same flat with the cutting ferrule bar along the axis direction of second threaded post
Face.
8. extension fixture according to claim 1, which is characterized in that multiple screens teeth are provided on the cutting ferrule, it is described
It rotates loop bar to be arranged between multiple screens teeth and second threaded post, rotary sleeve described in multiple screens tooth clampings
Bar.
9. extension fixture according to claim 1, which is characterized in that it is provided with screw thread conducting bar in first threaded post,
It is both provided with limit catch at the both ends of the screw thread conducting bar, gear guide groove, the screw thread conducting bar are offered in the gear
It is arranged in the gear guide groove.
10. extension fixture according to claim 1, which is characterized in that described device further includes ball, the ball setting
At the place that supports of first threaded post and second threaded post, first threaded post, ball open up in the second threaded post
There is the seal wire through-hole of perforation；First threaded post, the second threaded post are multi start thread column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810412765.4A CN108542443B (en) | 2018-05-03 | 2018-05-03 | A kind of tracheotomy synchronization extension fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810412765.4A CN108542443B (en) | 2018-05-03 | 2018-05-03 | A kind of tracheotomy synchronization extension fixture |
Publications (2)
| Publication Number | Publication Date |
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| CN108542443A true CN108542443A (en) | 2018-09-18 |
| CN108542443B CN108542443B (en) | 2019-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810412765.4A Expired - Fee Related CN108542443B (en) | 2018-05-03 | 2018-05-03 | A kind of tracheotomy synchronization extension fixture |
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Cited By (7)
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| CN109172319A (en) * | 2018-09-30 | 2019-01-11 | 李东旭 | Massager |
| CN109172320A (en) * | 2018-09-30 | 2019-01-11 | 李东旭 | Massager |
| CN109330733A (en) * | 2018-11-30 | 2019-02-15 | 李永彬 | A kind of livestock wound circumference synchronization extension fixture |
| CN111632243A (en) * | 2020-04-24 | 2020-09-08 | 曾兴强 | Contraction type tracheal catheter |
| CN111714078A (en) * | 2020-06-30 | 2020-09-29 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | Vagina expanding device, placement device of vagina expanding device and use method of vagina expanding device |
| CN111730234A (en) * | 2020-07-13 | 2020-10-02 | 宝鸡文理学院 | Safety type auxiliary device for welding electrical cabinet |
| CN113144361A (en) * | 2020-05-11 | 2021-07-23 | 郑州大学第一附属医院 | Bidirectional intubation tracheotomy expansion device with intubation channel |
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| CN201070363Y (en) * | 2007-06-18 | 2008-06-11 | 傅强 | Minimally invasive surgery expanding device with minitype camera and light source |
| CN203107190U (en) * | 2013-03-11 | 2013-08-07 | 黄义星 | Self-retaining retractor of cervicothoracic vertebral anterior minimally invasive surgery |
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| CN109172320A (en) * | 2018-09-30 | 2019-01-11 | 李东旭 | Massager |
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