CN108403183A - Adjustable costal cartilage cutter and ear-nose operation instrument - Google Patents
Adjustable costal cartilage cutter and ear-nose operation instrument Download PDFInfo
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- CN108403183A CN108403183A CN201810261040.XA CN201810261040A CN108403183A CN 108403183 A CN108403183 A CN 108403183A CN 201810261040 A CN201810261040 A CN 201810261040A CN 108403183 A CN108403183 A CN 108403183A
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- knife rest
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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
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1635—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for grafts, harvesting or transplants
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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
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1657—Bone breaking devices
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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
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1662—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body
- A61B17/1693—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body for the ribs
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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
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
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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
- A61B2017/00743—Type of operation; Specification of treatment sites
- A61B2017/00792—Plastic surgery
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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
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
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Abstract
The present invention relates in shaping medical instruments field, provide a kind of adjustable costal cartilage cutter and ear-nose operation instrument.The adjustable costal cartilage cutter includes fixed frame and knife rest, knife rest is located at the top of fixed frame and is connect with fixed frame, knife rest is provided with blade, the clamp assemblies for fixing cartilage and the pallet for placing clamp assemblies are provided in fixed frame, the sliding slot in the direction of blade is provided perpendicular on pallet, clamp assemblies are provided with the sliding block coordinated with sliding slot, and knife rest can move along the direction closer or far from fixed frame and cut the cartilage in clamp assemblies.Change position of the cartilage to be cut relative to blade by movement cartilage to be cut, and then a blade can be cut into the cartilage of arbitrary required thickness, operability is stronger.The ear-nose operation instrument includes above-mentioned adjustable costal cartilage cutter.It can quickly cut cartilage, and cutting speed is fast, and a blade can be cut into the cartilage of arbitrary required thickness, and operability is stronger.
Description
Technical field
The present invention relates in shaping medical instruments field, in particular to a kind of adjustable costal cartilage cutter and
Ear-nose operation instrument.
Background technology
In ear nose plastic operation, it is often required to use costal cartilage.6-8 costal cartilages often are taken, then need to carry out according to different
Cutting processing.It generally requires longitudinally cutting to strip costal cartilage to be strip；Or not very by the pane of 2 × 2.5 × 1.5cm
Regular costal cartilage is cut into the thin slice of 2 × 2.5 × 0.1cm, 2 × 2.5 × 0.25cm, 2 × 2.5 × 0.3cm thickness, then uses these
Thin slice is cut into the strip of 0.5cm width.In routine operation, doctor is typically to be grasped to fix with tweezers, is cut by hand with scalpel
It cuts.Hand cut time and effort consuming, and the thin slice cut out is often not very smooth, uniform.
Invention content
The purpose of the present invention is to provide a kind of adjustable costal cartilage cutters, fast during operative doctor can be facilitated to perform the operation
Fast, convenient, the satisfactorily any thickness needed for cutting operation cartilage piece and cartilage strips.
Another object of the present invention is to provide a kind of ear-nose operation instruments, can be quickly to material needed for operation
Size carry out arbitrary cutting, shorten operating time, facility provided for doctor.
What the embodiment of the present invention was realized in：
A kind of adjustable costal cartilage cutter includes fixed frame and knife rest, and knife rest is located at the top of fixed frame and and fixed frame
Connection, knife rest is provided with blade, clamp assemblies for fixing cartilage is provided in fixed frame and for placing clamp assemblies
Pallet, the sliding slot in the direction of blade is provided perpendicular on pallet, clamp assemblies are provided with the sliding block coordinated with sliding slot, knife rest
It can be moved along the direction closer or far from fixed frame and cut the cartilage in clamp assemblies.
Optionally, in a preferred embodiment of the invention, above-mentioned clamp assemblies include rear leaf, frontal lobe and connecting rod, after
Leaf and frontal lobe are oppositely arranged, and rear leaf and frontal lobe are both provided with multiple spines for fixing cartilage, and one end of connecting rod is connected to
The other end of leaf afterwards, connecting rod passes through and stretches out frontal lobe, and frontal lobe can be slided along connecting rod.
Optionally, in a preferred embodiment of the invention, above-mentioned frontal lobe is provided with the first threaded hole passed through for connecting rod,
Connecting rod includes not setting equipped with externally threaded first threaded rod and externally threaded polished rod, and polished rod is connect with threaded rod, and threaded rod is remote
Rear leaf is connected to by bearing from one end of polished rod, the one end of polished rod far from the first threaded rod is arranged in the first threaded hole and stretches
Go out frontal lobe.
Optionally, in a preferred embodiment of the invention, above-mentioned that spring is connected between leaf and frontal lobe afterwards, spring pocket is set to
In connecting rod, when spring reset, the length of spring is less than or equal to the length of the first threaded rod.
Optionally, in a preferred embodiment of the invention, it is provided with adjusting knob on above-mentioned fixed frame, adjusting knob includes
The second threaded rod and rotating disk being connected with each other, fixed frame offer the second threaded hole, and one end of the second threaded rod is arranged in the
It in two threaded holes and is connected on clamp assemblies, the other end of the second threaded rod is connect with rotating disk, and rotating disk is located at fixed frame
Outside.
Optionally, in a preferred embodiment of the invention, dial is provided on above-mentioned fixed frame, dial is located at second
The outside of threaded hole, be provided on dial for indicate be located at after clamp assemblies clamping costal cartilage the start index of center line with
And the rotation scale for indicating the distance that clamp assemblies are moved forward and backward on the basis of center line, it is provided with for marking in rotating disk
Show the pointer of graduation position.
Optionally, in a preferred embodiment of the invention, above-mentioned knife rest is slidably connected with fixed frame；Preferably, adjustable
Costal cartilage cutter further includes knife rest box, and knife rest is positioned in knife rest box, and knife rest box is fixedly attached to fixed frame, is set in knife rest box
Rack, gear and the actuator rotated for sliding tooth wheel, rack is equipped with to be fixed on knife rest, gear is fixed on knife rest box,
Knife rest is slidably attached to knife rest box, and the end of blade is fixed to rack or knife rest, gear rack under the drive of actuator
It moves up and down.
Optionally, in a preferred embodiment of the invention, above-mentioned knife rest and fixed frame are hinged；Preferably, fixed mount setting
There are the first bayonet and axis, knife rest to be provided with the second bayonet, axis sequentially passes through the first bayonet and the second bayonet.
Optionally, in a preferred embodiment of the invention, when being provided on above-mentioned pallet for falling for blade be embedded in
Protect the blade slot of blade.
A kind of ear-nose operation instrument comprising above-mentioned adjustable costal cartilage cutter.
The advantageous effect of the embodiment of the present invention for example including：
Adjustable costal cartilage cutter provided in an embodiment of the present invention by the way that cartilage to be fixed to the clamp assemblies of fixed frame,
Then the sliding block of clamp assemblies is made to be slided in the sliding slot of pallet, with this come adjust the cartilage to be cut in clamp assemblies relative to
It, by the mobile blade being installed on knife rest, is realized to the cartilage in fixed frame after being moved to specific range the position of blade
It is cut.After the completion of cutting, it is further continued for rotation adjusting knob, is further adjusted, is then cut again.Pass through shifting
Move cartilage to be cut, to change position of the cartilage to be cut relative to blade, and then a blade can be cut into it is arbitrary needed for
The cartilage of thickness, operability are stronger.
Ear-nose operation instrument provided in an embodiment of the present invention comprising above-mentioned adjustable costal cartilage cutter.It can be quick
Cartilage is cut, cutting speed is fast, and a blade can be cut into the cartilage of arbitrary required thickness, and operability is stronger.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram for the adjustable costal cartilage cutter that first embodiment of the invention provides；
Fig. 2 is the structural schematic diagram of fixed frame and clamp assemblies cooperation that first embodiment of the invention provides；
Fig. 3 is the structural schematic diagram of dial and sliding slot that first embodiment of the invention provides；
Fig. 4 is the structural schematic diagram for the knife rest that first embodiment of the invention provides；
Fig. 5 is the structural schematic diagram for the adjustable costal cartilage cutter that second embodiment of the embodiment of the present invention provides.
Icon：The adjustable costal cartilage cutters of 100-；110- fixed frames；111- adjusting knobs；The second threaded rods of 112-；
113- rotating disks；1131- pointers；The second threaded holes of 114-；115- dials；117- pallets；1171- sliding slots；1173- blades
Slot；The first bayonets of 118-；119- axis；120- knife rests；121- blades；1211- mounting portions；1212- mounting holes；1213- is installed
Bar；The first cards of 122- face；The first protrusions of 1221-；The first limit holes of 1222-；The second cards of 123- face；The second protrusions of 1231-；
The second limit holes of 1232-；124- insert pockets；The second bayonets of 125-；126- handles；130- clamp assemblies；Leaf after 131-；
1311- bearings；132- frontal lobes；The first threaded holes of 1321-；1322- shakes hands；133- connecting rods；The first threaded rods of 1331-；1332-
Polished rod；134- spines；135- springs；The adjustable costal cartilage cutters of 200-；240- knife rest boxes；242- racks；243- actuators.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this field is common
The every other embodiment that technical staff is obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Invention product using when the orientation or positional relationship usually put or those skilled in the art orientation or position that usually understand
Relationship is set, is merely for convenience of description of the present invention and simplification of the description, device is not indicated or implied the indicated or element is necessary
With specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term
" first ", " second ", " third " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and
It is that can be slightly tilted.It is not to indicate the structure if "horizontal" refers to only that its direction is more horizontal with respect to for "vertical"
It has to fully horizontally, but can be slightly tilted.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, can also be electrical connection；It can be directly connected, it can also be indirect by intermediary
It is connected, can is the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
First embodiment
Fig. 1 is please referred to, the present embodiment provides a kind of adjustable costal cartilage cutters 100 comprising fixed frame 110 and knife rest
120。
Referring to Fig. 2, fixed frame 110 is for mounting tool post 120 and fixes costal cartilage to be cut, in the present embodiment, Gu
Determine to be provided with clamp assemblies 130 and the pallet 117 for placing clamp assemblies 130 in frame 110.
The clamp assemblies 130 are for fixing cartilage.Specifically, clamp assemblies 130 include rear leaf 131, frontal lobe 132 and connect
Extension bar 133, rear leaf 131 and frontal lobe 132 are oppositely arranged, and rear leaf 131 and frontal lobe 132 are both provided with multiple points for fixing cartilage
Thorn 134, one end of connecting rod 133 is connected to rear leaf 131, and the other end of connecting rod 133 passes through and stretch out frontal lobe 132, frontal lobe 132
It can be slided along connecting rod 133.In the present embodiment, fixed frame 110 is with all around four side walls, clamp assemblies 130 are only
It is vertical, including frontal lobe 132 and rear leaf 131, wherein the rear wall of rear leaf 131 close to fixed frame 110 is arranged, and frontal lobe 132 is close to fixation
The antetheca of frame 110 is arranged or is directly the antetheca of fixed frame 110, and being can be movable.The left and right sidewall of fixed frame 110 is can
The flapper of dismounting, convenient for cleaning.
When cartilage is clamped using clamp assemblies 130, pull frontal lobe 132 that frontal lobe 132 is made to be slided in connecting rod 133, into
And the spacing between rear leaf 131 and frontal lobe 132 is increased, convenient for cartilage to be put between rear leaf 131 and frontal lobe 132, pass through tune
Spacing after section between leaf 131 and frontal lobe 132 makes on the spine 134 that cartilage is fixed between rear leaf 131 and frontal lobe 132, point
Thorn 134 can carry out cartilage the shallow puncture of table and fixation, good fixing effect.
Frontal lobe 132 is provided with the first threaded hole 1321 passed through for connecting rod 133, and connecting rod 133 includes the first threaded rod
1331 and polished rod 1332, as its name suggests, the first threaded rod 1331 is provided with externally threaded rod-like structure, and polished rod 1332 is i.e. not
Externally threaded rod-like structure is set.Polished rod 1332 and the connection of the first threaded rod 1331 and polished rod 1332 and the first threaded rod 1331
Diameter is roughly the same, polished rod 1332 and the first threaded rod 1331 coaxial arrangement, the first threaded rod 1331 far from polished rod 1332 one
End is connected to rear leaf 131 by bearing 1311 so that the first threaded rod 1331 can be rotated relative to rear leaf 131, and light
The one end of bar 1332 far from the first threaded rod 1331 is arranged in the first threaded hole 1321 and stretches out frontal lobe 132.Pulling frontal lobe
When 132, polished rod 1332 can pass rapidly through the first threaded hole 1321 and the distance between leaf 131 and frontal lobe 132 after expanding, and be convenient for
It is put into cartilage, and after cartilage is put into, it is moved towards the direction of rear leaf 131 by pushing frontal lobe 132, squeezes cartilage, and then is right
Cartilage is fixed.When frontal lobe 132 is close to the first threaded rod 1331, rotatable first threaded rod 1331 makes frontal lobe 132 with after
The distance between leaf 131 is further adjusted, to fasten cartilage.
Before the distance after rotating the first threaded rod 1331 and adjusting between leaf 131 and frontal lobe 132, in advance to rear leaf
Cartilage between 131 and frontal lobe 132 tentatively fix, and in the present embodiment, is also associated between rear leaf 131 and frontal lobe 132
Spring 135, spring 135 can be sheathed in connecting rod 133, can also be arranged in parallel with connecting rod 133, when spring 135 resets,
The length of spring 135 is less than or equal to the length of the first threaded rod 1331.Design of length when spring 135 resets, it is ensured that bullet
When spring 135 stretches, frontal lobe 132, can be by the first threaded hole 1321 in polished rod when by the threadingly power of bar axial direction
It is quickly moved away from the direction of rear leaf 131 on 1332, convenient for quickly pulling open the distance of rear leaf 131 and frontal lobe 132, Jin Erwei
It is put into cartilage and enough spaces is provided, and after cartilage is put into after leaf 131 and frontal lobe 132, reply of the frontal lobe 132 in spring 135
Moved along the direction close to rear leaf 131 under power, realize the preliminary fixation to cartilage, frontal lobe 132 with the first threaded rod 1331
When contact, since the first threaded rod 1331 needs circumferential power that could move, the movement of frontal lobe 132 slows down, and passes through at this time
Spacing after rotating the first threaded rod 1331 and capable of further shortening between leaf 131 and frontal lobe 132, to fasten cartilage.
Sliding slot 1171 is provided on pallet 117, clamp assemblies 130, which are provided with the sliding block coordinated with sliding slot 1171, (schemes not
Show), sliding block sliding in sliding slot 1171, and then drive clamp assemblies 130 are whole to be slided on pallet 117.Clamp assemblies 130 are logical
It crosses on pallet 117 and slides, and then adjust position of the cartilage to be cut being clamped in clamp assemblies 130 relative to knife rest 120.
Fig. 2 and Fig. 3 are please referred to, for the ease of controlling sliding distance of the clamp assemblies 130 on pallet 117, so as to
Position of the cartilage to be cut relative to knife rest 120 accurately controlled in clamp assemblies 130 is realized, in one embodiment of the present invention
In formula, by being provided with adjusting knob 111 on fixed frame 110, adjusting knob 111 is connect with clamp assemblies 130, passes through adjusting
Knob 111 drives clamp assemblies 130 to be slided on pallet 117.Specifically, adjusting knob 111 includes the second threaded rod 112 and rotation
Turntable 113, the second threaded rod 112 and rotating disk 113 are connected with each other, and the second threaded hole 114 is offered on fixed frame 110, the
One end of two threaded rods 112 is arranged in the second threaded hole 114 and is connected on clamp assemblies 130, the second threaded rod 112 it is another
One end is connect with rotating disk 113, and rotating disk 113 is located at the outside of fixed frame 110.In present embodiment, pass through the second threaded rod
112 rotations in the second threaded hole 114, since one end of the second threaded rod 112 is connect with clamp assemblies 130, specifically, the
One end of two threaded rods 112 is connect with the rear leaf 131 of clamp assemblies 130, and the other end of the second threaded rod 112 stretches out the second spiral shell
The rotation of pit 114, the second threaded rod 112 can drive clamp assemblies 130 to move in a straight line, and then drive clamp assemblies 130
It is slided on pallet 117.
Preferably, dial 115 is provided on fixed frame 110, dial 115 is located at the outside of the second threaded hole 114, carves
It is provided on scale 115 and is located at the start index of center line and for marking for indicating clamp assemblies 130 and being clamped after costal cartilage
Show the rotation scale for the distance that clamp assemblies 130 are moved forward and backward on the basis of center line, is provided in rotating disk 113 for indicating
The pointer 1131 of graduation position.By the setting of pointer 1131 and dial 115, clamp assemblies easily can be significantly found out
130 move distance is adjusted the position of the cartilage on clamp assemblies 130 convenient for medical staff.
Preferably, it is embedded in turning back to referring to Fig.2, being provided with the when of falling for blade 121 on pallet 117 to protect blade 121
Blade slot 1173, when blade 121 cuts cartilage to be cut, blade can be embedded in blade slot 1173, effectively avoid
Blade directly acts on the surface of pallet 117, causes the damage of pallet 117 and blade.
Referring to Fig. 4, knife rest 120 is for placing blade 121 and with cutting blade 121 along closer or far from fixed frame 110
Direction fixed cartilage on fixed frame 110 is cut.In the present embodiment, knife rest 120 be located at the top of fixed frame 110 and
It is connect with fixed frame 110, there are one blades 121 for setting on knife rest 120.Knife rest 120 can be along closer or far from fixed frame 110
Direction moves, and then drives the blade 121 being fixed on knife rest 120 to move up and down and cut cartilage.
In order to avoid when cutting cartilage with knife rest 120 relative displacement occurs for blade 121, knife rest 120 is consolidated to blade 121
It is fixed particularly important, in the present embodiment, opposite the first card face 122 and the second card face 123, the first card face are provided on knife rest 120
122 and second card face 123 surround the insert pocket 124 for installing blade 121, the first card face 122 is provided with the first protrusion
1221 first limit holes 1222, the second card face 123 are provided with the second protrusion 1231 and the second limit hole 1232, and blade 121 is substantially
For T shapes, it is provided with mounting portion 1211 and mounting hole 1212, wherein mounting portion 1211 is the top of blade 121, and mounting hole
1212 are opened in the middle and upper part of blade 121, and the first protrusion 1221 and the second protrusion 1231 are oppositely arranged, the mounting portion of blade 121
1211 length is more than the spacing between the first protrusion 1221 and the second protrusion 1231, the first limit hole 1222, mounting hole 1212
And second limit hole 1232 be connected and fixed by mounting rod 1213.
In the present embodiment, is limited by the first protrusion 1221 and second raised 1231 pairs of mounting portions 1211, avoid knife
Piece 121 slides from the first protrusion 1221 and second between protrusion 1231, and the first limit hole 1222 and the second limit hole 1232
Setting, not only can avoid blade 121 from falling downwards, moreover it is possible to avoid 121 upward sliding of blade, be passed through by mounting rod 1213
First limit hole 1222, mounting hole 1212 and the second limit hole 1232 are realized the first card face 122, blade 121 and second
Card face 123 is tightly fixed.
In other embodiments of the invention, blade 121 or other structures, such as slice structure, in knife rest 120
On be provided with mounting groove, be provided with and set for card and the limit card slot of fixed blade 121 in mounting groove, limit card slot is depressed in peace
The bottom of tankage is correspondingly arranged on limit protrusion on blade 121, and blade 121 slides into along mounting groove from bottom to up, works as limit convex
When playing slide-in limit card slot, blade 121 is fixed in mounting groove.The structure of the blade 121 is simple, and installation is easy, due to peace
Tankage covers the length direction of blade 121, therefore strong to the position-limiting action of blade 121, can effectively avoid blade 121 from cutting
It glances off in the process.There are many modes that knife rest 120 is connect with fixed frame 110, and different connection types corresponds to knife rest 120 not
Same motion mode.
Referring to Fig. 1, in a preferred embodiment of the present invention, knife rest 120 is hinged with fixed frame 110, it is preferable that
The first bayonet 118 and axis 119 is arranged in fixed frame 110, and the second bayonet 125 is arranged in knife rest 120, and axis 119 sequentially passes through first
Bayonet 118 and the second bayonet 125, using axis 119,120 He of knife rest is realized in rotation in the first bayonet 118 and the second bayonet 125
Fixed frame 110 is hinged, the other end of knife rest 120 can be rotated in hinged place with realize relative to fixed frame 110 upwards or to
Lower movement.The connection type of knife rest 120 and fixed frame 110 is similar to the mode of plug-in strip, the connection of knife rest 120 and fixed frame 110
Simply, easy to operate.
Further, the one end of knife rest 120 far from the first bayonet 118 is provided with the handle for being moved with movable knife rack 120
126, the setting of handle 126 is convenient for band movable knife rack 120 to be rotated relative to fixed frame 110 to realize to fixed on fixed frame 110
Cartilage is cut.
The operation principle of adjustable costal cartilage cutter 100 is：Cartilage is fixed in fixed frame 110, especially by drawing
The frontal lobe 132 of dynamic clamp assemblies 130, the spacing after expansion between leaf 131 and frontal lobe 132 are put into cartilage.Then frontal lobe 132 exists
Close to rear leaf 131 under the action of spring 135, the preliminary fixation to cartilage is realized.When frontal lobe 132 is contacted with the first threaded rod 1331
When, it realizes the spacing further reduced between rear leaf 131 and frontal lobe 132 by rotating the first threaded rod 1331, realizes to cartilage
Further fix.After the completion of cartilage fixation, by rotating adjusting knob 111, make the second threaded rod 112 in the second screw thread
The interior rotation in hole 114, and then sliding block sliding in the sliding slot 1171 of pallet 117 of clamp assemblies 130 is driven, it is clamped with this to adjust
It position of the cartilage to be cut relative to blade 121 in component 130 can be by observing pointer when rotating adjusting knob 111
1131 relative position is to judge the angle of rotation or the distance of movement, after being moved to specific range, is installed on by movement
The cartilage in fixed frame 110 is cut in blade 121 on knife rest 120, realization.After the completion of cutting, it is further continued for rotation and adjusts
Knob 111, is further adjusted, and is then cut again.By movement cartilage to be cut, to change cartilage phase to be cut
For the position of blade 121, and then a blade 121 can be cut into the cartilage of arbitrary required thickness, and operability is stronger.
In addition, the embodiment of the present invention additionally provides a kind of ear-nose operation instrument comprising above-mentioned adjustable costal cartilage cutting
Device 100.It can quickly cut cartilage, and cutting speed is fast, and a blade 121 can be cut into the soft of arbitrary required thickness
Bone, operability are stronger.
Second embodiment
Fig. 5 is please referred to, it is adjustable with first embodiment the present embodiment provides a kind of adjustable costal cartilage cutter 200
Formula costal cartilage cutter 100 is roughly the same, and difference lies in the knife rests 120 of the present embodiment to be slidably connected with fixed frame 110 for the two.
In yet another embodiment of the present invention, knife rest 120 is slidably connected with fixed frame 110, and knife rest 120 is by vertical
Fixed cartilage on fixed frame 110 is cut in the movement realization in direction.There are many modes being slidably connected, such as：Sliding block
With the cooperation of sliding rail, the cooperation of leading screw and nut, the cooperation of gear and rack, the modes such as transmission of chain or belt.
In present embodiment, preferably knife rest 120 is slided up and down by the cooperation of gear and rack 242 with realizing, in order to just
In the installation of rack-and-pinion 242, present embodiment, adjustable costal cartilage cutter 200 further includes knife rest box 240, knife rest 120
It is positioned in knife rest box 240, knife rest box 240 is fixedly attached to fixed frame 110, what gear, rack 242 and sliding tooth wheel rotated
Actuator 243 may be contained in knife rest box 240, and knife rest 120 is slidably attached in knife rest box 240, and knife rest 120 is fixed to tooth
On item 242, knife rest 120 moves up and down under the drive of rack 242 relative to fixed frame 110, and the end of blade 121 is fixed
To rack 242 or knife rest 120, gear is rotated under the drive of actuator 243 and is moved up and down with carry-over bar 242, and blade 121 exists
When moving downward, fixed cartilage in fixed frame 110 is cut in realization, since blade 121 is one, is clamped by adjusting
The cartilage of different-thickness is cut to realize in position of the cartilage to be cut relative to blade 121 in component 130.
In conclusion adjustable costal cartilage cutter provided in an embodiment of the present invention by cartilage by being fixed to fixed frame
110 clamp assemblies 130 then make the sliding in the sliding slot 1171 of pallet 117 of the sliding blocks of clamp assemblies 130, are adjusted with this
It is installed by mobile after being moved to specific range position of the cartilage to be cut relative to blade 121 in clamp assemblies 130
In the blade 121 on knife rest 120, the cartilage in fixed frame 110 is cut in realization.After the completion of cutting, it is further continued for rotation and adjusts
Knob 111 is saved, is further adjusted, is then cut again.By movement cartilage to be cut, to change cartilage to be cut
Relative to the position of blade 121, and then a blade 121 can be cut into the cartilage of arbitrary required thickness, and operability is stronger.
Ear-nose operation instrument provided in an embodiment of the present invention comprising above-mentioned adjustable costal cartilage cutter 200.It can be fast
Speed cuts cartilage, and cutting speed is fast, and a blade 121 can be cut into the cartilage of arbitrary required thickness, operability
It is stronger.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of adjustable costal cartilage cutter, which is characterized in that it includes fixed frame and knife rest, and the knife rest is located at described solid
Determine the top of frame and connect with the fixed frame, the knife rest is provided with blade, is provided in the fixed frame soft for fixing
The clamp assemblies of bone and pallet for placing the clamp assemblies are provided perpendicular to the side of the blade on the pallet
To sliding slot, the clamp assemblies are provided with the sliding block coordinated with the sliding slot, and the knife rest can be along closer or far from described
The direction of fixed frame moves and cuts the cartilage in the clamp assemblies.
2. adjustable costal cartilage cutter according to claim 1, which is characterized in that the clamp assemblies include rear leaf,
Frontal lobe and connecting rod, leaf and the frontal lobe afterwards are oppositely arranged, and leaf and the frontal lobe afterwards are both provided with multiple for fixing
The spine of cartilage, one end of the connecting rod be connected to it is described after leaf, the other end of the connecting rod pass through and stretch out it is described before
Leaf, the frontal lobe can be slided along the connecting rod.
3. adjustable costal cartilage cutter according to claim 2, which is characterized in that the frontal lobe is provided with for the company
The first threaded hole that extension bar passes through, the connecting rod include not setting equipped with externally threaded first threaded rod and externally threaded polished rod,
The polished rod is connect with the threaded rod, and the one end of the threaded rod far from the polished rod is connected to the rear leaf by bearing,
The one end of the polished rod far from first threaded rod is arranged in first threaded hole and stretches out the frontal lobe.
4. adjustable costal cartilage cutter according to claim 3, which is characterized in that after described between leaf and the frontal lobe
It is connected with spring, the spring pocket is set in the connecting rod, and when the spring reset, the length of the spring is less than or equal to
The length of first threaded rod.
5. adjustable costal cartilage cutter according to claim 4, which is characterized in that be provided with adjusting on the fixed frame
Knob, the adjusting knob include that the second threaded rod being connected with each other and rotating disk, the fixed frame offer the second threaded hole,
One end of second threaded rod is arranged in second threaded hole and is connected on the clamp assemblies, second screw thread
The other end of bar is connect with the rotating disk, and the rotating disk is located at the outside of the fixed frame.
6. adjustable costal cartilage cutter according to claim 5, which is characterized in that be provided with scale on the fixed frame
Disk, the dial are located at the outside of second threaded hole, are provided on the dial for indicating the clamp assemblies
It is located at the start index of center line after costal cartilage is clamped and for indicating the clamp assemblies front and back shifting on the basis of center line
The rotation scale of dynamic distance is provided with the pointer for indicating graduation position in the rotating disk.
7. adjustable costal cartilage cutter according to claim 1, which is characterized in that the knife rest is slided with the fixed frame
Dynamic connection；Preferably, the adjustable costal cartilage cutter further includes knife rest box, and the knife rest is positioned in the knife rest box,
The knife rest box is fixedly attached to the fixed frame, rack, gear is provided in the knife rest box and for driving the tooth
The actuator of rotation is taken turns, the rack is fixed on the knife rest, and the gear is fixed on the knife rest box, and the knife rest can be slided
It is connected to the knife rest box dynamicly, the end of the blade is fixed to the rack or the knife rest, and the gear is in the drive
The rack moves up and down under the drive of moving part.
8. adjustable costal cartilage cutter according to claim 1, which is characterized in that the knife rest is cut with scissors with the fixed frame
It connects；Preferably, the fixed mount setting has the first bayonet and an axis, and the knife rest is provided with the second bayonet, the axis according to
It is secondary to pass through first bayonet and second bayonet.
9. adjustable costal cartilage cutter according to claim 1, which is characterized in that be provided on the pallet for supplying
Insertion is to protect the blade slot of the blade when blade falls.
10. a kind of ear-nose operation instrument, which is characterized in that it includes as the adjustable rib of claim 1-9 any one of them is soft
Bone cutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810261040.XA CN108403183B (en) | 2018-03-27 | 2018-03-27 | Adjustable costal cartilage cutter and ear-nose surgical instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810261040.XA CN108403183B (en) | 2018-03-27 | 2018-03-27 | Adjustable costal cartilage cutter and ear-nose surgical instrument |
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| CN108403183A true CN108403183A (en) | 2018-08-17 |
| CN108403183B CN108403183B (en) | 2023-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810261040.XA Active CN108403183B (en) | 2018-03-27 | 2018-03-27 | Adjustable costal cartilage cutter and ear-nose surgical instrument |
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| CN110840638A (en) * | 2019-11-28 | 2020-02-28 | 四川大学华西医院 | Cartilage slicer for plastic surgery |
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| CN112790817A (en) * | 2021-01-11 | 2021-05-14 | 重庆懿熙品牌策划有限公司 | Milling cutter module and full-automatic craniotomy device thereof |
| WO2021167553A1 (en) * | 2020-02-17 | 2021-08-26 | Yazar Memet | Cartilage (gristle) and bone engraving unit |
| CN114081574A (en) * | 2021-11-24 | 2022-02-25 | 深圳市第二人民医院(深圳市转化医学研究院) | Cartilage sampling device with accurate positioning mechanism |
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