CN106580376B - Extension fixture - Google Patents
Extension fixture Download PDFInfo
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- CN106580376B CN106580376B CN201710023613.0A CN201710023613A CN106580376B CN 106580376 B CN106580376 B CN 106580376B CN 201710023613 A CN201710023613 A CN 201710023613A CN 106580376 B CN106580376 B CN 106580376B
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- drag hook
- strut
- 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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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/42—Gynaecological or obstetrical instruments or methods
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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
- A61B2017/00017—Electrical control of surgical instruments
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- General Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Gynecology & Obstetrics (AREA)
- Pregnancy & Childbirth (AREA)
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- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The present invention relates to medical instruments fields, disclose a kind of extension fixture, comprising: track, fixed setting opposite with the position to be expanded of patient；Drag hook, setting are in orbit；Drag hook can orbital motion, and can be elongated or shortened along length direction；Drag hook is used to expand the position to be expanded of patient.The extension fixture can reduce the manpower use during drag hook, liberate the both hands of medical staff, reduce cost of labor.
Description
Technical field
The present invention relates to medical instruments field, in particular to a kind of extension fixture.
Background technique
In medical procedure, it is often necessary to be expanded to the part of patient, to provide enough surgical field of view.
For example, for the gynecological surgery implemented from vagina, such as uterine neck cone is cut, female uterectomy, is usually all needed
Strut vagina, exposure uterine neck and surrounding tissue.At this point, being often used extension fixture as vaginal speculum or vaginal tractor.
Traditional vaginal speculum can fix expansion size due to being provided with card slot after expansion, therefore can be with one man operation, very
It is simple and convenient.But since vaginal speculum is setting up and down, there are two duckbilleds, while having observation provided with constituting to prop up duckbilled
The connecting portion of window.Under the obstruction of duckbilled and connecting portion, the ability for exposing surgical field of view is limited, but also the work of operation
Dynamic range is more limited to.Therefore when vaginal speculum is commonly available to gynecologial examination snooping vagina or cervical conditions or it is some extremely
Simple operation is not appropriate for what needs sutured, more complicated operation.
For more complicated operation, vaginal tractor device is generallyd use at present.In use, pulling and expanding by manpower
Vagina.Manual operation makes the dynamics of drag hook and angle control more flexible, and does not have connecting portion between multiple vaginal tractors
Block, therefore, exposure surgical field of view it is apparent, can opereating specification it is bigger.But when using vaginal tractor, usually
It needs 1-2 medical workers to hold drag hook and drawing is kept to act, cost of labor is higher.Moreover, continuing in long-term surgery
Drag hook posture is kept easily to cause fatigue, it is also higher to the physical fitness requirement of medical worker.For this purpose, clinically needing to find a kind of machinery
Lifting hook device can either reduce human cost, and can expand to the full extent and expose operation visual area.
Other than vagina, for the expansion of anus or other similar positions, there is also the same problems.
Summary of the invention
The purpose of the present invention is to provide a kind of extension fixture, which, which can reduce the manpower during drag hook, makes
With liberating the both hands of medical staff, reduce cost of labor.
In order to solve the above-mentioned technical problems, the present invention provides a kind of extension fixtures, comprising:
Track, fixed setting opposite with the position to be expanded of patient；
Drag hook, setting are in orbit；
Drag hook can orbital motion, and can be elongated or shortened along length direction；
Drag hook is used to expand the position to be expanded of patient.
The position to be expanded of patient is vagina or anus, is also possible to the position of other needs.In use, passing through track tune
The position of whole good drag hook and angle, and move by the extension/contraction of drag hook to realize expansion action.
In terms of existing technologies, the present invention is by the way that drag hook to be arranged in orbit, so that drag hook is able to spatially
While obtaining relatively fixed, it is also equipped with diversified angle adjustable.In the present invention, it is not necessarily to by the fixed drag hook of track
Manpower maintains position, simple to operate, and the stability of extension fixture is also improved while reducing cost of labor.
Preferably, track is arc, and track is bent away from the direction at the position to be expanded of patient.Select arc
Track when, patient position to be expanded can be arranged in the near focal point of arc, so that the shape of drag hook and position are consolidated
Fixed design is simplified, and is made during expansion, and the Impact direction of track and the direction of drag hook are consistent, and are reduced
Requirement to the mechanical strength of track also improves the ease of use of track.
Further, preferably, track is two arc tracks, and this two orbit rings are around the position to be expanded of patient
Setting；Wherein, one to three drag hook is provided on every track.Specifically, the two tracks can be separately positioned on patient
Position to be expanded above and below, or be arranged in the left and right.The track setting being mutually symmetrical can to expand
When uniform force application, and average each direction is arranged one to three drag hook and can also preferably meet using needs.
Wherein, preferably, drag hook includes:
Leaf is strutted, is directly contacted for the position to be expanded with patient；
Telescopic rod is connected with leaf is strutted；
Pedestal, setting in orbit, and are connected with telescopic rod；
Telescopic rod can be moved along the length direction of telescopic rod on the base.
By the adjustable drag hook of pedestal position in orbit, and the adjusting of the telescopic rod by setting on the base,
Expansion action may be implemented.
Wherein, leaf is strutted to be detachably connected on telescopic rod.When strut leaf it is detachable when, can be according to position to be expanded
Actual conditions carry out the type selected to use for strutting leaf, therefore enrich the scope of application of extension fixture.In addition, selection will support
It opens leaf to be detachably arranged, for enabling drag hook Whole-dismountable, due to not influencing the scalable position of drag hook, structure
Can be simpler, cost is also lower.
Further, preferably, drag hook further includes basic tightening piece, basic tightening piece is used to pedestal being fixed on track
On.It can prevent pedestal from sliding in process of expansion by the way that basic tightening piece is arranged, reinforce stability.
Further, preferably, being provided with through-hole and the clamp screw perpendicular and interconnected with through-hole on pedestal
Hole；
Pedestal is covered in orbit by through-hole；
Basic tightening piece is holding screw, and basic tightening piece passes through tightening screw hole, and pedestal tightening is in orbit.
By holding screw come fixed pedestal, have the advantages that structure simple realization is convenient.
In addition, tightening piece of stretching is used for Telescopic link tight in pedestal preferably, drag hook further includes flexible tightening piece
On.It is also possible to prevent telescopic rod from sliding in process of expansion by flexible tightening piece, reinforce stability.
In addition, preferably, drag hook further includes the power mechanism of setting on the base；Power mechanism is for driving telescopic rod
Length direction along telescopic rod moves.When driving telescopic rod to move automatically by power mechanism, eliminates manual operation and stretch
Contracting bar, has further liberated both hands, reduces human cost.And when using power mechanism, the flexible tightening of setting may not need
Part.
Further, preferably, power mechanism includes motor, motor is by lead screw transmission or rack pinion come band
Dynamic telescopic rod movement.By utilizing screw rod or rack-and-pinion, allow motor drive the telescopic rod of drag hook along telescopic rod from
The movement of body length direction, therefore have structure simple, realize convenient advantage.Moreover, the transmission distance and torque of motor are very
It is easily designed, therefore expansion action is better achieved.
Alternatively, cylinder is directly connected to telescopic rod and telescopic rod is driven to move preferably, power mechanism includes cylinder.
When using cylinder, expansionary force can be controlled by gas pressure intensity size, and its gas source can be common with operating room
Gas provides equipment and combines, low in cost, more convenient.
In addition, preferably, drag hook further includes being set to strut on the surface that leaf is in contact with the position to be expanded of patient
Pressure sensor, pressure sensor and power mechanism communicate to connect.When being provided with pressure sensor, can be supportted by control
The surface pressing size for opening leaf and the position to be expanded of patient to expand power, expansionary force provided by quantitative braking force mechanisms
Size can prevent the power excessive injury to patient that may cause when controllable, be also possible to prevent visual area of performing the operation when power is too small
Exposure is not thorough, and is strutted leaf and slipped from the position to be expanded of patient.
In addition to this, preferably, extension fixture further include: be connected to the support frame of the end of track, support frame is used for
Adjust the angle of drag hook and the position to be expanded of patient.
In addition to this, preferably, support frame includes:
Strut is connected to the end of track；
Fixing seat is connected with strut；
Shaft connects strut and fixing seat；
Strut can be rotated by shaft relative to fixed seat, and drag hook and the angle at the position to be expanded of patient is made to increase or subtract
It is small.
In support frame, by be arranged shaft can make strut be able to relative to fix seat rotation so that drag hook with
The available more efficiently adjustment of the angle at the position to be expanded of patient.Compared to rotated freely in orbit by drag hook come
For adjustment angle, when being adjusted the angle by the rotation of strut, the bonding strength of drag hook and track is had no adverse effect, therefore
The connection structure of drag hook and track can be made to be simplified.
Further, preferably, the outer circle circumferential direction in fixing seat along shaft is provided with multiple through-holes, on strut with it is logical
The corresponding position in hole is provided with pin hole；
Support frame further includes bolt；
When strut rotates to pin hole the position being connected with some through-hole, bolt is inserted into and connects through-hole and pin hole, will
Strut is fixed in corresponding predetermined angle.
Since in process of expansion, entire extension fixture can all receive biggish reaction force, therefore when strut is rotatable
When, the movement of strut is likely to result in drag hook and slips from the position to be expanded of patient.It will appreciated by the skilled person that
The fixing intensity of strut is stronger, then the use of extension fixture is more stable.In the present invention, needs are further rotated due to strut
Bolt is destroyed, compared to only overcoming the frictional force can be for the conventional tightening piece of further movement, latch structure will have more preferably
Strength and stability.
Furthermore, it is understood that preferably, support frame is also used to the height of adjustable track.When track height can timing, branch
Support can make and preferably be adaptively adjusted for the patient of different building shape or different patient positions.
Furthermore, preferably, strut includes:
Internal segment is provided with external screw thread；
Acromere, it is hollow and be provided with internal screw thread；
Acromere covers on internal segment, and is adjusted by the thread the height of track.
Telescopic location of the internal segment with respect to acromere is adjusted by screw thread, for through conventional tightening piece, is also had
It is not easy the advantages of slipping.
Further, it preferably, being provided with multistage external screw thread on internal segment, and is reserved between every section of external screw thread and does not set
Set the gutter of screw thread；
Alternatively, being provided with multistage internal screw thread on acromere, and the gutter for being not provided with screw thread is reserved between every section of internal screw thread.
It, can be to the relative position of internal segment and acromere for full thread when being provided with multi-segment thread and corresponding gutter
Carry out sectional-regulated, so that adjusting, the times needed less more, and efficiency is greatly speeded up, more convenient.
In addition, preferably, support frame includes two struts, and this two struts are connected to the both ends of track.Two
The force stability of drag hook can be improved in end all setting struts.
Detailed description of the invention
Fig. 1 is front schematic view when first embodiment of the invention extension fixture acts on human body；
Fig. 2 is the schematic diagram of second embodiment of the invention extension fixture drag hook part；
Fig. 3 is the schematic diagram of four embodiment of the invention extension fixture drag hook part；
Fig. 4 is the schematic diagram of fifth embodiment of the invention extension fixture drag hook part；
Fig. 5 is the schematic diagram of sixth embodiment of the invention extension fixture drag hook part；
Fig. 6 is the schematic diagram of seventh embodiment of the invention extension fixture drag hook part；
Fig. 7 is side schematic view when ninth embodiment of the invention extension fixture acts on human body；
Fig. 8 is the schematic diagram of tenth embodiment of the invention extension fixture supporting frame part；
Fig. 9 is the schematic diagram of eleventh embodiment of the invention extension fixture supporting frame part；
Figure 10 is the schematic diagram of twelveth embodiment of the invention extension fixture supporting frame part.
Description of symbols:
The position to be expanded 1-；2- track；3- drag hook；3a- struts leaf；3b- telescopic rod；3c- pedestal；The basis 3d- tightening piece；
3f- stretches tightening piece；4a- motor；4b- cylinder；5- support frame；5a- strut；5a1- internal segment；5a2- acromere；5b- fixing seat；
5c- shaft；5d- bolt.
Specific embodiment
Embodiment one
First embodiment of the invention provides a kind of extension fixture, shown in Figure 1, comprising:
Track 2, the relatively fixed setting in position to be expanded 1 with patient；
Drag hook 3 is arranged on track 2；
Drag hook 3 can be moved along track 2, and can be elongated or shortened along length direction；
Drag hook 3 is used to expand the position to be expanded 1 of patient.
The position to be expanded 1 of patient is vagina or anus, is also possible to other positions for needing to expand.In use, passing through
Track 2 adjusts position and the angle of drag hook 3, and moves by the extension/contraction of drag hook 3 to realize expansion action.
In the present embodiment, shown in Figure 1, track 2 is arc, and track 2 is away from the portion to be expanded of patient
The direction bending of position 1.When selecting the track 2 of arc, patient position to be expanded can be arranged in the near focal point of arc, made
Drag hook 3 shape and the fixed design of position be simplified, and make during expansion, the Impact direction of track 2 and
The direction of drag hook 3 is consistent, and reduces the requirement of the mechanical strength to track 2, also improves the ease of use of track 2.
Specifically, in the present embodiment, track 2 is two arc tracks 2, and this two tracks 2 are around patient's
Position 1 to be expanded is arranged；Wherein, one to three drag hook 3 is provided on every track 2.Specifically, the two tracks 2 can be with
It is separately positioned on above and below the position to be expanded 1 of patient, or also can be set in the left and right.It is mutually symmetrical
The uniform force application when setting of track 2 can to expand, and one to three drag hook 3 of average each direction setting can also be preferably
Meet and uses needs.
Certainly, in order to facilitate the laying of track 2, the track 2 of rectilinear form can also be selected, or select rectilinear form and
The combination of the track 2 of arcuate shape, or even circuit orbit 2 is used, it can also substantially meet technical purpose of the invention.Therefore
In the present embodiment, the combination of track 2 of arc is only merely preferred embodiment of the invention, and inessential scheme.
In terms of existing technologies, the present invention is by being arranged drag hook 3 on track 2, so that drag hook 3 is able in space
While upper acquisition is fixed relatively, it is also equipped with diversified angle adjustable.In the present invention, the drag hook 3 fixed by track 2
Position is maintained without manpower, it is simple to operate, the stability of extension fixture is also improved while reducing cost of labor.
Embodiment two
Second embodiment of the present invention provides a kind of extension fixture.Second embodiment be first embodiment into
One step is improved, and is mainly theed improvement is that, shown in Figure 2 in second embodiment of the present invention, drag hook 3 includes:
Leaf 3a is strutted, is directly contacted for the position to be expanded 1 with patient；
Telescopic rod 3b is connected with leaf 3a is strutted；
Pedestal 3c, setting are connected on track 2, and with telescopic rod 3b；
Telescopic rod 3b can the length direction on pedestal 3c along telescopic rod 3b move.
By position of the adjustable drag hook 3 of pedestal 3c on track 2, and the telescopic rod 3b by being arranged on pedestal 3c
Adjusting, expansion action may be implemented.
It is noted that scale can also be arranged on telescopic rod 3b, so that the motion amplitude of telescopic rod 3b is able to
Quantitative control.Further, it is also possible to headlamp be arranged on strutting leaf 3a, to illuminate surgical field of view.
Embodiment three
Third embodiment of the present invention provides a kind of extension fixture.Third embodiment be second embodiment into
One step is improved, and is mainly theed improvement is that, in third embodiment of the present invention, is strutted leaf 3a and be detachably connected to stretch
On bar 3b.
When strut leaf 3a it is detachable when, leaf 3a can be strutted according to the actual conditions at position 1 to be expanded come selected to use
Type, shape and size, therefore enrich the scope of application of extension fixture.In addition, selection will strut leaf 3a and detachably be arranged,
For enabling 3 Whole-dismountable of drag hook, the position due to strutting leaf 3a does not influence the scalable position of drag hook 3, knot
Structure can be simpler, and cost is also lower.
Specifically, strutting leaf 3a can be fixed by screws on telescopic rod 3b, the fixed mode of screw connect it is simple,
Stablize, good reliability.
Embodiment four
4th embodiment of the invention provides a kind of extension fixture.4th embodiment is first to third embodiment party
The improvement of any one embodiment, mainly thes improvement is that in formula, in the 4th embodiment of the invention, referring to Fig. 3 institute
Show, drag hook 3 further includes basic tightening piece 3d.
Basic tightening piece 3d is used to pedestal 3c being fixed on track 2.Base can be prevented by the way that basis tightening piece 3d is arranged
Seat 3c is slided in process of expansion, reinforces stability.
Specifically, in the present embodiment, through-hole and perpendicular and mutual with through-hole can be provided on pedestal 3c
The tightening screw hole of connection；
Pedestal 3c is covered on track 2 by through-hole；
Basic tightening piece 3d is holding screw, and basic tightening piece 3d passes through tightening screw hole, pedestal 3c is fixed on track 2
On.
By holding screw come fixed pedestal 3c, have the advantages that structure simple realization is convenient.
It, can also be on track 2 along the length of track 2 in order to further improve the stability maintenance of basic tightening piece 3d
Direction interval setting groove or screw hole are spent, when holding screw cuts groove or screws in screw hole, friction can be significantly increased
Power prevents pedestal 3c from slipping.
Embodiment five
5th embodiment of the invention provides a kind of extension fixture.5th embodiment is first to fourth embodiment party
The improvement of any one embodiment, mainly thes improvement is that in formula, in the 5th embodiment of the invention, institute referring to fig. 4
Show, drag hook 3 further includes flexible tightening piece 3f.
Flexible tightening piece 3f is used to telescopic rod 3b being fixed on pedestal 3c.It is also possible to by flexible tightening piece 3f come
It prevents telescopic rod 3b from sliding in process of expansion, reinforces stability.
Likewise, in order to further improve the stability maintenance of flexible tightening piece 3f, can also on telescopic rod 3b edge
The length direction interval setting groove or screw hole of telescopic rod 3b, when groove or screw-in screw hole are cut in the flexible hole tightening piece 3f,
Frictional force can also be significantly increased, prevent pedestal 3c from slipping.
Embodiment six
Sixth embodiment of the invention provides a kind of extension fixture.Sixth embodiment is in first to fourth implementation
The further improvement of any one mode, mainly thes improvement is that, in sixth embodiment of the invention, drag hook 3 further includes
Power mechanism on pedestal 3c is set；Power mechanism is used to that telescopic rod 3b to be driven to transport along the length direction of telescopic rod 3b
It is dynamic.
When driving telescopic rod 3b to move automatically by power mechanism, manual operation telescopic rod 3b is eliminated, is further liberated
Both hands, reduce human cost.And when using power mechanism, the flexible tightening piece 3f of setting may not need.
Specifically, in the present embodiment, shown in Figure 5, power mechanism includes motor 4a, and motor 4a passes through lead screw
Transmission or rack pinion come drive telescopic rod 3b move.By utilizing screw rod or rack-and-pinion, allow motor 4a band
The telescopic rod 3b of dynamic drag hook 3 is moved along the length direction of telescopic rod 3b, therefore has structure simple, is realized convenient excellent
Point.Moreover, the transmission distance and torque of motor 4a are easy to design, therefore expansion action is better achieved.
Embodiment seven
7th embodiment of the invention provides a kind of extension fixture.7th embodiment and sixth embodiment are
Difference, main difference place is, in sixth embodiment of the invention, the power source of power mechanism is motor 4a；And
In the 7th embodiment of the invention, the power source of power mechanism is cylinder 4b.
Specifically, shown in Figure 6, power mechanism includes that cylinder 4b, cylinder 4b and telescopic rod 3b are directly connected to simultaneously band
Dynamic telescopic rod 3b movement.When using cylinder 4b, expansionary force can be controlled by gas pressure intensity size, and its gas source can
It is combined with providing equipment with the common gas of operating room, it is low in cost, it is more convenient.
Embodiment eight
8th embodiment of the invention provides a kind of extension fixture.8th embodiment is the 6th or the 7th implementation
It is further improved, mainly thes improvement is that, in the 8th embodiment of the invention, drag hook 3 further includes being set to strut leaf
The pressure sensor on surface that 3a is in contact with the position to be expanded 1 of patient.
Wherein, pressure sensor and power mechanism communicate to connect.When being provided with pressure sensor, can be supportted by control
The surface pressing size for opening the position to be expanded 1 of leaf 3a and patient to expand power provided by quantitative braking force mechanisms, expands
Tensity size can prevent the power excessive injury to patient that may cause when controllable, be also possible to prevent power it is too small when operation
Visual area exposure is not thorough, and struts the problem of leaf 3a is slipped from the position to be expanded 1 of patient.
Embodiment nine
9th embodiment of the invention provides a kind of extension fixture.9th embodiment is in the first to the 8th implementation
The further improvement of any one mode, mainly thes improvement is that, shown in Figure 7 in the 9th embodiment of the invention,
Extension fixture further include: be connected to the support frame 5 of the end of track 2, support frame 5 is used to adjust the to be expanded of drag hook 3 and patient
The angle at position 1.
Specifically, in the present embodiment, support frame 5 includes:
Strut 5a is connected to the end of track 2；
Fixing seat 5b is connected with strut 5a；
Shaft 5c connects strut 5a and fixing seat 5b；
Strut 5a can be rotated by shaft 5c relative to fixed seat 5b, and the angle of drag hook 3 and the position to be expanded 1 of patient is made
It increases or reduces.
In support frame 5, strut 5a can be made to be able to rotate relative to fixing 5b by the way that shaft 5c is arranged, so that
The available more efficiently adjustment of angle at the position to be expanded 1 of drag hook 3 and patient.Compared to by drag hook 3 on track 2
It rotates freely come for adjusting the angle, strut 5a increases the angular adjustment for being directed to track 2, while to drag hook 3 and track 2
Bonding strength has no adverse effect, therefore drag hook 3 and the connection structure of track 2 can be made to be simplified.
It is noted that fixing seat 5b can arbitrarily be fixedly installed, such as can be fixed on by other support constructions
On ground, it can also be directly anchored on operating table.Specifically, fixing seat 5b can be bolted on the side of operating table
Portion can also additionally be set to the fixed link that fixing seat 5b is connected, and fixed link is spirally connected, is even welded on operating table.
For being fixed on ground, when being fixed on operating table, the fixed equipment used is less, will not occupy too many operating room
Space, simpler convenience.
In addition, when being provided with more track 2, as shown in fig. 7, more tracks 2 can also be connected to same
On fixing seat 5b, to simplify structure, save the cost.
In addition, in the present embodiment, support frame 5 can also include two strut 5a, and this two strut 5a connect respectively
It is connected to the both ends of track 2.Strut 5a, which is all arranged, in both ends can be improved the force stability of drag hook 3.Certainly, unilateral branch is only set
Bar 5a can also substantially meet requirement of the invention.
Embodiment ten
Tenth embodiment of the invention provides a kind of extension fixture.Tenth embodiment is the further of the 9th implementation
It improves, mainly thes improvement is that, it is shown in Figure 8 in the tenth embodiment of the invention, along shaft 5c on fixing seat 5b
Outer circle circumferential direction be provided with multiple through-holes, position corresponding with through-hole is provided with pin hole on strut 5a；
Support frame 5 further includes bolt 5d；
When strut 5a rotates to pin hole the position being connected with some through-hole, bolt 5d is along Fig. 8 shown in arrow, insertion
And through-hole and pin hole are connected, strut 5a is fixed in corresponding predetermined angle.
Since in process of expansion, entire extension fixture can all receive biggish reaction force, therefore when strut 5a can revolve
When turning, the movement of strut 5a is likely to result in drag hook 3 and slips from the position to be expanded 1 of patient.Those of ordinary skill in the art can
To understand, the fixing intensity of strut 5a is stronger, then the use of extension fixture is more stable.In the present invention, due to strut 5a into
The rotation of one step needs to destroy bolt 5d, compared to only overcoming the frictional force can be for the conventional tightening piece of further movement, bolt
5d structure will have better strength and stability.
Embodiment 11
11st embodiment of the invention provides a kind of extension fixture.11st embodiment is the the 9th or the tenth real
The further improvement applied, mainly thes improvement is that, in the 11st embodiment of the invention, support frame 5 is also used to adjust
The height of track 2.When track 2 height can timing, support frame 5 can be directed to different building shape patient or different patient positions
It makes and being preferably adaptively adjusted.
Specifically, in the present embodiment, strut 5a shown in Figure 9 includes:
Internal segment 5a1, is provided with external screw thread；
Acromere 5a2, it is hollow and be provided with internal screw thread；
Acromere 5a2 covers on internal segment 5a1, and is adjusted by the thread the height of track 2.
Telescopic location of the internal segment 5a1 with respect to acromere 5a2 is adjusted by screw thread, compared to the tightening piece for passing through routine
Speech, it may have be not easy the advantages of slipping.It is of course also possible to be realized using latch structure or other tightening piece to internal segment 5a1 and outer
Save the position control of 5a2.
Embodiment 12
12nd embodiment of the invention provides a kind of extension fixture.12nd embodiment is the 11st implementation
Further improvement, mainly the improvement is that, shown in Figure 10 in the 12nd embodiment of the invention, internal segment 5a1
On be provided with multistage external screw thread, and the gutter for being not provided with screw thread is reserved between every section of external screw thread；
Alternatively, being provided with multistage internal screw thread on acromere 5a2, and the blank for being not provided with screw thread is reserved between every section of internal screw thread
Portion.It, can be to internal segment 5a1's and acromere 5a2 for full thread when being provided with multi-segment thread and corresponding gutter
Relative position progress is sectional-regulated, so that adjusting, the times needed less more, and efficiency is greatly speeded up, more convenient.
It will be understood by those skilled in the art that in above-mentioned each embodiment, in order to keep reader more preferably geographical
It solves the application and proposes many technical details.But even if without these technical details and based on the respective embodiments described above
Various changes and modifications can also realize each claim of the application technical solution claimed substantially.Therefore, in reality
In, can to above embodiment, various changes can be made in the form and details, without departing from spirit and model of the invention
It encloses.
Claims (8)
1. the extension fixture of a kind of vagina or anus, comprising:
Track (2), the relatively fixed setting in position to be expanded (1) with patient；
Drag hook (3) is arranged on the track (2), and the drag hook (3) includes
Leaf (3a) is strutted, is directly contacted for the position to be expanded (1) with patient；
Telescopic rod (3b) is connected with the leaf (3a) that struts；
Pedestal (3c), setting are connected on track (2), and with telescopic rod (3b)；
The telescopic rod (3b) can move on pedestal (3c) along the length direction of telescopic rod (3b), so that described
Drag hook (3) can be moved along the track (2), and can be elongated or shortened along length direction；
The drag hook (3) is used to expand the position to be expanded (1) of patient；
The extension fixture further include: be connected to the support frame (5) of the end of the track (2), support frame as described above (5) is for adjusting
Save the angle of the drag hook (3) and the position to be expanded (1) of the patient；
Support frame as described above (5) includes:
Strut (5a), is connected to the end of the track (2)；
Fixing seat (5b) is connected with the strut (5a)；
Shaft (5c) connects the strut (5a) and the fixing seat (5b)；
The strut (5a) can be rotated by the shaft (5c) relative to the fixing seat (5b), made the drag hook (3) and suffered from
The angle at the position to be expanded (1) of person increases or reduces.
2. extension fixture according to claim 1, it is characterised in that: along the shaft (5c) on the fixing seat (5b)
Outer circle circumferential direction is provided with multiple through-holes, and position corresponding with the through-hole is provided with pin hole on the strut (5a)；
Support frame as described above (5) further includes bolt (5d)；
When the position that strut (5a) rotation is connected to the pin hole with some through-hole, the bolt (5d) is inserted into and is connected
The through-hole and the pin hole are connect, the strut (5a) is fixed in corresponding predetermined angle.
3. extension fixture according to claim 1, it is characterised in that: support frame as described above (5) is also used to adjust the track
(2) height.
4. extension fixture according to claim 3, it is characterised in that: the strut (5a) includes:
Internal segment (5a1), is provided with external screw thread；
Acromere (5a2), it is hollow and be provided with internal screw thread；
The acromere (5a2) covers on the internal segment (5a1), and is adjusted by the thread the height of the track (2).
5. extension fixture according to claim 4, it is characterised in that: it is provided with multistage external screw thread on the internal segment (5a1),
And the gutter for being not provided with screw thread is reserved between every section of external screw thread；
Alternatively, being provided with multistage internal screw thread on the acromere (5a2), and the sky for being not provided with screw thread is reserved between every section of internal screw thread
White portion.
6. extension fixture according to claim 1, it is characterised in that: support frame as described above (5) includes two struts (5a), and
This two struts (5a) are connected to the both ends of the track (2).
7. extension fixture according to claim 1, it is characterised in that: the track (2) is arc, and the track (2)
Away from the direction bending at the position to be expanded (1) of patient.
8. extension fixture according to claim 7, it is characterised in that: the track (2) is two arc tracks (2), and
This two tracks (2) are arranged around the position to be expanded (1) of patient；
Wherein, one to three drag hook (3) are provided on the every track (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710023613.0A CN106580376B (en) | 2017-01-13 | 2017-01-13 | Extension fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710023613.0A CN106580376B (en) | 2017-01-13 | 2017-01-13 | Extension fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106580376A CN106580376A (en) | 2017-04-26 |
| CN106580376B true CN106580376B (en) | 2019-08-23 |
Family
ID=58584684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710023613.0A Active CN106580376B (en) | 2017-01-13 | 2017-01-13 | Extension fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106580376B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112294405A (en) * | 2019-07-31 | 2021-02-02 | 汤细巧 | Auxiliary mechanism for uterine curettage device based on gynecological diseases |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4971037A (en) * | 1988-09-19 | 1990-11-20 | Pilling Co. | Surgical retractor support |
| CN202015267U (en) * | 2010-12-28 | 2011-10-26 | 赖志佳 | Limb joint support |
| CN202932962U (en) * | 2012-11-27 | 2013-05-15 | 张赫岩 | Novel woman urologic surgical procedure automatic draw hook |
| CN202982245U (en) * | 2012-12-24 | 2013-06-12 | 王玲 | Frame for microsurgery |
| CN204683680U (en) * | 2015-05-11 | 2015-10-07 | 赵广章 | A kind of breast operation drag hook |
| CN204931742U (en) * | 2015-09-08 | 2016-01-06 | 王丽丽 | A kind of draw hook for surgical operation |
| CN206745397U (en) * | 2017-01-13 | 2017-12-15 | 复旦大学附属肿瘤医院 | Extension fixture |
-
2017
- 2017-01-13 CN CN201710023613.0A patent/CN106580376B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4971037A (en) * | 1988-09-19 | 1990-11-20 | Pilling Co. | Surgical retractor support |
| CN202015267U (en) * | 2010-12-28 | 2011-10-26 | 赖志佳 | Limb joint support |
| CN202932962U (en) * | 2012-11-27 | 2013-05-15 | 张赫岩 | Novel woman urologic surgical procedure automatic draw hook |
| CN202982245U (en) * | 2012-12-24 | 2013-06-12 | 王玲 | Frame for microsurgery |
| CN204683680U (en) * | 2015-05-11 | 2015-10-07 | 赵广章 | A kind of breast operation drag hook |
| CN204931742U (en) * | 2015-09-08 | 2016-01-06 | 王丽丽 | A kind of draw hook for surgical operation |
| CN206745397U (en) * | 2017-01-13 | 2017-12-15 | 复旦大学附属肿瘤医院 | Extension fixture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106580376A (en) | 2017-04-26 |
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