CN207202915U - A kind of laparoscopic surgery elbow tissue shear - Google Patents
A kind of laparoscopic surgery elbow tissue shear Download PDFInfo
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- CN207202915U CN207202915U CN201720653722.6U CN201720653722U CN207202915U CN 207202915 U CN207202915 U CN 207202915U CN 201720653722 U CN201720653722 U CN 201720653722U CN 207202915 U CN207202915 U CN 207202915U
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- 238000002357 laparoscopic surgery Methods 0.000 title claims abstract description 24
- 238000010008 shearing Methods 0.000 claims abstract description 42
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 230000009471 action Effects 0.000 claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 7
- 210000001519 tissue Anatomy 0.000 description 26
- 238000000926 separation method Methods 0.000 description 9
- 210000000078 claw Anatomy 0.000 description 4
- 238000001356 surgical procedure Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000003902 lesion Effects 0.000 description 3
- 230000000740 bleeding effect Effects 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 208000000014 Ureteral Calculi Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 210000000683 abdominal cavity Anatomy 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
It the utility model is related to a kind of laparoscopic surgery elbow tissue shear, including elbow tissue shear head, shearing transmission device, handle operating device and outer tube.The elbow tissue shear head includes bearing pin, the first shear blade, the second shear blade；First shear blade and the second shear blade pass through hinge.Possessing on first shear blade has elongated slot, pin-and-hole, horizontal blade, longitudinal blade.Similarly, the structure of the second shear blade is identical with the structure of the first shear blade, both structures axisymmetricly structure.The shearing transmission device is multiple bar linkage structures, the shear action at handle operating device end is transferred to by elbow tissue shear head with this, bar linkage structure is four-bar linkage structure, end wherein on first connecting rod is provided with the pin coordinated with the elongated slot on the first shear blade, pin slides in elongated slot, to transmit shearing.The laparoscopic surgery simultaneously safer and more effective shearing completed in laparoscopic surgery in multiple directions of elbow tissue shear energy, operation technique are more convenient and safe.
Description
Technical field
It the utility model is related to a kind of medical scissors, and in particular to a kind of laparoscopic surgery elbow tissue shear, belong to doctor
Treat equipment technology field.
Background technology
Used operating scissors in existing open surgery, although frame mode is more single, because operative space compared with
Greatly, when carrying out shearing separation to the focus of different locus in operation, it can be transferred through operator and change scissors behaviour
Make space and the phase of part to complete, to the structure type of scissors without particular/special requirement.
It is but deep by patient so that its otch is small, pain is small, recovers the advantages that fast since carrying out as laparoscopic surgery is clinical
Welcome, be the development of following operation method an inexorable trend.Because endoscope-assistant surgery operating space is small, operating theater instruments used is all
For special equipment, and apparatus species is various, and fine structure is complicated.Similarly the scissors that uses also must be according to facing in endoscope-assistant surgery operation
Shearing in bed operation to different operation techniques and diverse location lesion tissue separates and designs and develops out the different knots of difference in functionality
The scissors of configuration formula.
Chinese utility model patent CN203001061U discloses a kind of minimally invasive laparoscopic surgery head-tilted scissors, for abdominal cavity
Mirror nephropyeloplasty, ureteral calculi treated by laparoscopic ureterolithotomy etc., the minimally invasive laparoscopic surgery head-tilted scissors, including inner core and behaviour
Make handle, be detachably to coordinate between the inner core and the operation handle, the inner core includes a pull bar, the pull bar
One end is provided with one and fixes blade and a movable blades, and the fixed blade is to be fixedly connected with the pull bar, the work
Cutting blade is revolving hinged with the pull bar, and is be hinged between the fixed blade and the movable blades；The operation
Handle includes claw beam, and the pull bar is set in the claw beam and forms detachable cooperation with the claw beam；Away from the fixation
The end of the claw beam of blade is fixedly connected with a fixation pull end, and the fixed pull end is hinged with an activity rear lug；It is remote
The end of the pull bar of the fixed blade is connected with the fixed pull end.
But although above-mentioned head-tilted scissors can solve the problem that needs the focus and scissors bar that carry out shearing separation in existing endoscope-assistant surgery
The problem of in 90 degree of orientation, but it only can be suitably used for the shearing on single direction, can not be applied to the shearing of multiple directions simultaneously.
Because the shearing separation time space of the lesion tissue under laparoscope is narrow and small, the limited angle of rotatable apparatus, but under laparoscope
Lesion tissue shearing separation inevitably multiple directions exist need, existing laparoscope scissors is unidirectional use
Scissors, when needing multiple directions to shear, operating difficulties, such as by the way of scissors is changed, then consume operating time.And
And the operating mechanism of head-tilted scissors described in CN203001061U is complicated, one blade is fixed during shearing, the activity of another blade, is cut
It is complicated to cut transmission, operation is inconvenient.The straight-bar for being additionally, since head-tilted scissors described in CN203001061U hinders camera observation,
For operator, vision blind spot be present for downward or some angles, so as to lead to not be operated under direct-view, cause
The risk of Accessory injury is larger.
The content of the invention
The purpose of this utility model is to provide a kind of laparoscopic surgery elbow tissue shear, it is impossible to can be adapted to lateral shear
Simultaneously again suitable for the laparoscopic surgery Special scissorses of longitudinal shear, laparoscopic surgery described in the utility model elbow group
Knit to cut and be used not only for separating focus shearing with scissors bar parallel direction, it is being in 90 degree with scissors bar that and can, which is enough in,
Shearing separation is carried out to focus on direction, meanwhile, shearing manipulation is very convenient, is operated suitable for operator.
To achieve the above object, the utility model provides a kind of laparoscopic surgery elbow tissue shear, including elbow group
Knit haircut portion, shearing transmission device, handle operating device and outer tube.
The elbow tissue shear head includes bearing pin, the first shear blade, the second shear blade；First shear blade and the second scissors
Piece passes through hinge.Possessing on first shear blade has elongated slot, pin-and-hole, horizontal blade, longitudinal blade.Similarly, the second scissors
The structure of piece is identical with the structure of the first shear blade, both structures axisymmetricly structure.Wherein horizontal blade and longitudinal blade
Manufacture is integrated, the length of horizontal blade and longitudinal blade lengths are essentially identical, plane where horizontal blade and longitudinal blade institute
In the angle of certain number of degrees between plane, the angle of the angle is between 80-170 degree, preferably 90 degree, 135 degree.Horizontal knife
Piece group is used on the diameter parallel direction with scissors drive unit separate focus shearing；Longitudinal set of blades be used for scissors
The axis of transmission device is in carry out shearing separation to focus on 90 degree of directions.It is it will be appreciated to those of skill in the art that foregoing
Horizontal blades fit on first shear blade on horizontal blade and the second shear blade forms horizontal set of blades, foregoing first shear blade
Longitudinal blades fit on upper longitudinal blade and the second shear blade forms longitudinal set of blades.
The shearing transmission device is multiple bar linkage structures, is transferred to the shear action at handle operating device end with this curved
Head tissue shear head, bar linkage structure is four-bar linkage structure, and the end wherein on first connecting rod is provided with and the length on the first shear blade
The pin that groove coordinates, pin slide in elongated slot, to transmit shearing.Similarly, the pin of the end of second connecting rod is cut second
Slided in the elongated slot of blade, so as to which shear action is passed into elbow tissue shear head from one end so that horizontal set of blades and vertical
Opened and closed to set of blades.Similar, it is provided with and another pair same structure in the other end of first connecting rod, second connecting rod
Another two connecting rod, so as to which shear action is passed into first connecting rod, second connecting rod.First connecting rod, second connecting rod are cut with scissors by bearing pin
Connect.First connecting rod, second connecting rod and the first shear blade, the second shear blade form one group of quadric chain, and first connecting rod, second connect
Bar forms another group of quadric chain with another two connecting rod, and shearing transmission device is arranged on the Inner Constitution scissors bar of outer tube,
The quantity of quadric chain depends on the length of the scissors bar needed, outer tube the other end for first handle operation device and
Second handle operation device, operate this and shearing is realized to handle operating device.The shear action is transmitted successively by quadric chain
To the elbow tissue shear head of overcoat tube end so that the horizontal blade of the first shear blade and the horizontal blade of the second shear blade are real
Existing lateral shear, and cause longitudinal blade of the first shear blade and longitudinal blade of the second shear blade to realize longitudinal shear.
The utility model, which solves some special particular procedure operations of clinical operation, to be needed, while structure design is more reasonable,
Versatility is stronger, the shearing in completion laparoscopic surgery that can be simultaneously safer and more effective in multiple directions, applied widely, operation
More convenient operation and safety.Especially, elbow tissue shear described in the utility model is eliminated and operated under laparoscope on direction
Vision blind spot under dead angle and camera, so as to reach satisfied observation and accurate reduction, meanwhile, it is described in the utility model
Elbow tissue shear can be as the instrument of blunt separation when closing, for example can be used for the big blood vessel of Skeleton, can avoid damage to
Visual field of operator etc. is influenceed to the bleeding caused by surrounding thin vessels.
Brief description of the drawings
Fig. 1 is the structural representation of laparoscopic surgery elbow tissue shear of the present utility model；
Fig. 2 is the structural representation on laparoscopic surgery elbow tissue shear head of the present utility model；
Fig. 3 is the schematic diagram of the first shear blade of laparoscopic surgery elbow tissue of the present utility model；
Fig. 4 is the schematic diagram of the bar linkage structure of shearing transmission device；
Fig. 5 is the top view of the first shear blade in Fig. 3.
Each part is as follows in figure：1 bearing pin, 2 first shear blades, 3 second shear blades, 4 pin-and-holes, 5 elongated slots, 6 horizontal blades, 7
Longitudinal blade, 8 first connecting rods, 9, pin, 10 second connecting rods, 11 outer tubes, the 12, first operation handle, the 13, second manipulator
Handle.
Embodiment
The utility model is described further below in conjunction with the accompanying drawings, but the utility model is not limited to following implementation
Example.
As Figure 1-5, the utility model provides a kind of laparoscopic surgery elbow tissue shear, including elbow tissue shear
Head (1,2,3), shearing transmission device (8,9,10), handle operating device (12,13) and outer tube 11.
The elbow tissue shear head includes bearing pin 1, the first shear blade 2, the second shear blade 3；First shear blade 2 and second
Shear blade 3 is be hinged by bearing pin 1.Elongated slot 5, pin-and-hole 4, horizontal blade 6, longitudinal blade 7 are provided with first shear blade 2.Equally
Ground, the structure of the second shear blade 3 is identical with the structure of the first shear blade 2, both structures axisymmetricly structure.Wherein horizontal knife
Piece 6 is integrated manufacture with longitudinal blade 7, and the length of horizontal blade 6 and longitudinal same length of blade 7, both length also may be used
With difference, also, between the place plane of horizontal blade 6 and the place plane of longitudinal blade 7 be in certain number of degrees angle, the angle
Angle is between 80-170 degree, preferably 90 degree, 135 degree.Horizontal blade 6 is used in the diameter parallel side with scissors drive unit
Focus is sheared upwards and separated；Longitudinal blade 7 is used to carry out focus on 90 degree of directions with the axis of scissors drive unit
Shearing separation.It will be appreciated to those of skill in the art that aforementioned lateral blade 6 is matched somebody with somebody with the horizontal blade on the second shear blade 3
Close, longitudinal blades fit on foregoing longitudinal shear blade 3 of blade 7 and second.The structure of second shear blade 3 and the first shear blade 2
Cooperate.
The shearing transmission device is multiple bar linkage structures, is transferred to the shear action at handle operating device end with this curved
Head tissue shear head, by taking first connecting rod 8 and second connecting rod 10 as an example, first connecting rod 8, the shear blade 2 of second connecting rod 10 and first, the
Two shear blades 3 form four-bar linkage structure, and the wherein end on connecting rod 8 is provided with the pin coordinated with the elongated slot 5 on the first shear blade 2
9, pin 9 slides in elongated slot 5, to transmit shearing.Similarly, length of the pin of the end of another connecting rod 10 in the second shear blade
Slided in groove, so as to which shear action is passed into elbow tissue shear head from one end so that horizontal blade and longitudinal blade are opened
And closure.Similar, the other end of connecting rod 8,10 is provided with the another two connecting rod with connecting rod 8,10 same structures, so as to cut
Cut action and pass to connecting rod 8,10 (referring to Fig. 1).Connecting rod 8 and 10 passes through the hinge in the middle part of it.Connecting rod 8, connecting rod 10 with it is another
Two connecting rods form another group of quadric chain, and shearing transmission device is arranged on the Inner Constitution scissors bar of outer tube 11, and four connect
The quantity of linkage depends on the length of the scissors bar needed, is handle operating device (12,13) in the other end of outer tube 11,
Operation handle operation device realizes shearing, and the shear action is transferred to the elbow tissue of overcoat tube end by quadric chain successively
Haircut portion so that the horizontal blade of the shear blade 3 of horizontal blade 6 and second of the first shear blade 2 realizes lateral shear, and causes
Longitudinal blade of the shear blade 3 of longitudinal blade 7 and second of first shear blade 2 realizes longitudinal shear.
As shown in figure 1, operator operates the first operation handle 12 and the second operation handle 13 so that the first operation handle 12
It is close to each other with the second operation handle 13, and then the action is transmitted by multiple quadric chains in outer tube 11, one direct transfers
It is delivered to the elbow tissue shear head so that the horizontal blade of the horizontal blade 6 of the first shear blade 2 and the second shear blade 3 is mutual
It is close, while make it that longitudinal blade of the longitudinal blade 7 and the second shear blade 3 of the first shear blade 2 is close to each other.Similarly, grasp
Author operates the first operation handle 12 and the second operation handle 13 so that the first operation handle 12 and the second operation handle 13 are mutual
It is remote, and then the action is transmitted by multiple quadric chains in outer tube 11, pass up to the elbow tissue haircut
Portion so that the horizontal blade of the horizontal blade 6 of the first shear blade 2 and the second shear blade 3 is located remotely from each other, while causes the first scissors
Longitudinal blade of longitudinal blade 7 of piece 2 and the second shear blade 3 is located remotely from each other.
As shown in figure 5, the place plane of horizontal shear blade 6 of the first shear blade 2 is in certain with longitudinal place plane of shear blade 7
The angle of angle, the angle of the angle is between 110-170 degree, preferably 120 degree, 135 degree.Such set make it that first cuts
Blade 2 can realize the shearing of multiple directions simultaneously, and horizontal shear blade and longitudinal shear blade are respectively used to the shearing of different directions,
So that operator conveniently carries out the shearing manipulation of multiple directions.The length of horizontal shear blade can be with the length of longitudinal shear blade
Spend equal, can not also wait, the length of horizontal shear blade 6 refers to the first shear blade 2 and one end that bearing pin 1 is connected to horizontal scissors
Length between the position that piece intersects with longitudinal shear blade, longitudinal length of shear blade 7 refer to horizontal shear blade and longitudinal shear blade
Intersecting position is to longitudinal length of the shear blade 7 away from the intersection location one end.Horizontal shear blade and longitudinal direction in second shear blade
The length of shear blade is equally set.But the Transverse Shear blade lengths of the first shear blade 2 will be with 3 horizontal scissors of the second shear blade
The equal length of piece, longitudinal scissors leaf length of the first shear blade 2 will with the equal length of 3 longitudinal shear blade of the second shear blade,
In this way, effectively shearing could be realized.
It is that multiple quadric chains are fixed on inside outer tube 11 to shear transmission device (8,9,10), and fixed form may be selected
Fixed in the end set blind flange mode of outer tube 11, or the rotating shaft of the quadric chain at selection shearing transmission device both ends
Fixed through outer tube, the rotating shaft of one or more quadric chain that can also be among reselection shearing transmission device passes through
Outer tube interfixes, and the rotating shaft of lengthening has stator in the both sides of double leval jib turned position, on the inwall of outer tube 11
There is stator, one end of rotating shaft rivets smooth fixation.Those skilled in the art also can realize outer tube with cutting using other method
Interfixing for transmission device is cut, the utility model specification repeats no more to this.
The utility model, which solves some special particular procedure operations of clinical operation, to be needed, and is cut by quadric chain transmission
Cut, manufacturing cost is low, and structure design is more reasonable, and versatility is stronger, more in completion laparoscopic surgery that can be simultaneously safer and more effective
Shearing on individual direction, applied widely, operation technique is more convenient and safe.Elbow tissue shear described in the utility model eliminates
The dead angle on direction and vision blind spot under camera are operated under laparoscope, so as to reach satisfied observation and accurate cut out
Subtract, meanwhile, elbow tissue shear described in the utility model can be as the instrument of blunt separation when closing, for example can be used for bone
The big blood vessel of boneization, can avoid damage to the bleeding caused by thin vessels around influences visual field of operator etc..
Those skilled in the art will appreciate that can be to above-mentioned reality in the case of the inventive concept wide without departing substantially from its
Apply example and make change.Therefore, it can be understood that the utility model is not limited to the specific embodiment being described, and be intended to cover by
The modification in spirit and scope of the present utility model that appended claims are limited.
Claims (5)
1. a kind of laparoscopic surgery elbow tissue shear, including elbow tissue shear head (1,2,3), shearing transmission device (8,9,
10), handle operating device (12,13) and outer tube (11)；
The elbow tissue shear head includes bearing pin (1), the first shear blade (2), the second shear blade (3)；First shear blade (2) with
Second shear blade (3) is be hinged by bearing pin 1, be provided with the first shear blade (2) elongated slot (5), pin-and-hole (4), horizontal blade (6),
Longitudinal blade (7)；The structure of second shear blade (3) is identical with the structure of the first shear blade (2), and both structures are axisymmetricly tied
Structure；It is characterized in that：First shear blade transverse direction blade (6) is integrated manufacture, the first scissors with the first shear blade longitudinal direction blade (7)
The length of piece transverse direction blade 6 is identical with the first shear blade longitudinal direction 7 length of blade, also, where the first shear blade transverse direction blade (6)
It is in the angle of certain number of degrees between plane where plane and the first shear blade longitudinal direction blade (7)；Second shear blade transverse direction blade with
Second shear blade longitudinal direction blade is integrated manufacture, the length of the second shear blade transverse direction blade and the second shear blade longitudinal direction blade lengths
It is identical, also, in certain degree between plane where plane where the second shear blade transverse direction blade and the second shear blade longitudinal direction blade
Several angles, the size of the angle and plane where the first shear blade transverse direction blade (6) and first shear blade longitudinal direction blade (7) institute
The size of angle between plane is identical,
The shearing transmission device (8,9,10) includes multiple quadric chains, with this by the shear action at handle operating device end
Elbow tissue shear head is transferred to, wherein, first connecting rod (8), second connecting rod (10) and the first shear blade (2), the second shear blade
(3) four-bar linkage structure is formed, the wherein end on first connecting rod (8) is provided with what is coordinated with the elongated slot (5) on the first shear blade (2)
Pin (9), pin (9) are slided in elongated slot (5) to transmit shearing；Another pin of the end of second connecting rod (10) is cut second
Slided in the elongated slot of blade, so as to which shear action is passed into elbow tissue shear head from one end so that horizontal blade and longitudinal direction
Blade opens and closes；Meanwhile first connecting rod (8), second connecting rod (10) form another group of quadric chain with another two connecting rod,
The Inner Constitution scissors bar that transmission device is arranged on outer tube (11) is sheared, is handle operation dress in the other end of outer tube (11)
Put (12,13), operation handle operation device realizes shearing, and the shear action is transferred to overcoat tube end by quadric chain successively
Elbow tissue shear head so that the horizontal blade of the horizontal blade (6) of the first shear blade (2) and the second shear blade (3) is realized
Lateral shear, and cause longitudinal blade (7) of the first shear blade (2) to realize longitudinal direction with longitudinal blade of the second shear blade (3)
Shearing.
2. laparoscopic surgery according to claim 1 elbow tissue shear, it is characterised in that：The horizontal stroke of first shear blade (2)
Angle between plane where longitudinal blade (7) of plane and the first shear blade (2) where to blade (6) is 135 degree, and second cuts
Angle between plane where longitudinal blade of plane and the second shear blade where the horizontal blade of blade is also 135 degree.
3. laparoscopic surgery according to claim 1 elbow tissue shear, it is characterised in that：The horizontal stroke of first shear blade (2)
Angle between plane where longitudinal blade (7) of plane and the first shear blade (2) where to blade (6) is 120 degree, and second cuts
Angle between plane where longitudinal blade of plane and the second shear blade where the horizontal blade of blade is also 120 degree.
4. laparoscopic surgery according to claim 1 elbow tissue shear, it is characterised in that：The horizontal stroke of first shear blade (2)
Angle between plane where longitudinal blade (7) of plane and the first shear blade (2) where to blade (6) is 80-170 degree, the
Angle between plane where longitudinal blade of plane and the second shear blade where the horizontal blade of two shear blades is also 80-170
Degree.
5. laparoscopic surgery according to claim 1 elbow tissue shear, it is characterised in that：The horizontal stroke of first shear blade (2)
To the length and the equal length of longitudinal blade (7) of the first shear blade (2) of blade (6), meanwhile, the horizontal knife of the second shear blade
The equal length of longitudinal blade of the length of piece and the second shear blade, and the length of the horizontal blade (6) of the first shear blade (2) with
The equal length of the horizontal blade of second shear blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720653722.6U CN207202915U (en) | 2017-06-07 | 2017-06-07 | A kind of laparoscopic surgery elbow tissue shear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720653722.6U CN207202915U (en) | 2017-06-07 | 2017-06-07 | A kind of laparoscopic surgery elbow tissue shear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207202915U true CN207202915U (en) | 2018-04-10 |
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ID=61811496
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720653722.6U Expired - Fee Related CN207202915U (en) | 2017-06-07 | 2017-06-07 | A kind of laparoscopic surgery elbow tissue shear |
Country Status (1)
| Country | Link |
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| CN (1) | CN207202915U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108635005A (en) * | 2018-05-23 | 2018-10-12 | 卞志远 | A kind of department of general surgery's Special surgical haemostatic clamp |
-
2017
- 2017-06-07 CN CN201720653722.6U patent/CN207202915U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108635005A (en) * | 2018-05-23 | 2018-10-12 | 卞志远 | A kind of department of general surgery's Special surgical haemostatic clamp |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180410 |