CN208958253U - A kind of laminectomy rongeur - Google Patents
A kind of laminectomy rongeur Download PDFInfo
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- CN208958253U CN208958253U CN201821450517.0U CN201821450517U CN208958253U CN 208958253 U CN208958253 U CN 208958253U CN 201821450517 U CN201821450517 U CN 201821450517U CN 208958253 U CN208958253 U CN 208958253U
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- push rod
- claw beam
- revolving part
- shifting part
- body housing
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Abstract
A kind of laminectomy rongeur, belong to the field of medical instrument technology, including claw beam device, clamp main body device and clamp handle device, claw beam device is plugged in clamp main body device, the claw beam device includes quiet claw beam, dynamic claw beam, push rod and push rod reset spring, quiet claw beam and dynamic claw beam are mutually matched, push rod is threadedly coupled with dynamic claw beam, the clamp main body device includes vice body housing, vice body housing side is equipped with strip through-hole, the shifting part for driving push rod mobile is set on the push rod, the shifting part is on push rod along push rod moving direction activity, the push rod tail portion is equipped with the limit plate of limitation shifting part position, push rod reset spring is set on the push rod, the push rod reset spring is abutted against with shifting part, the shifting part horizontal displacement scope of activities is corresponding with strip through-hole, the shifting part is extended to across strip through-hole Outside vice body housing.The utility model has the function of that solution jaw is stuck, adjusts jaw operative orientation, is easy to disassemble.
Description
Technical field
The utility model relates to the field of medical instrument technology, more particularly to a kind of laminectomy rongeur.
Background technique
In neurosurgery perhaps spinal surgery especially when lumbar vertebrae, thoracic vertebrae or cervical vertebra are performed the operation,
It is frequently necessary to thering is corner angle bone or irregular ligament to be separated, cut, operative doctor is usually using laminectomy rongeur pair
Skull or centrum vertebra carry out stinging bone processing.Laminectomy rongeur, is also gun-type rongeur, in the prior art similar to sting bone
Pincers, are made of, claw beam device is plugged in clamp main body device, clamp handle device claw beam device, clamp main body device and clamp handle device
Including fixed handle interconnected and flexible handle, it is equipped with quiet claw beam, dynamic claw beam, push rod in the claw beam device and pushes away
Bar reset spring, quiet, dynamic claw beam are mutually matched, and push rod is connect by screw thread with dynamic claw beam, and push rod reset spring is mounted on quiet pincers
Between stalk and push rod.
Current laminectomy rongeur has the disadvantage in that one, operates loaded down with trivial details, the jaw opening side of common laminectomy rongeur
To be it is fixed, such patient to change jaw direction, the position of entire laminectomy rongeur by full wind-up, can only be made to send out
Raw rotation needs the position for often changing arm, causes to operate loaded down with trivial details to achieve the purpose that change jaw direction in such art:
Two, force difficulty, fatiguability, because need to often change arm position, so that patient's arm fatiguability, and because arm can not every time
In comfortable position, when causing surgical procedure in this way, force is difficult；When arm is in uncomfortable position, exert a force reluctantly, then
Arm is easier fatigue: three, be easy to causeing rongeur jaw stuck in use, need to dismantle pliers use after jaw is stuck
Special equipment pries open jaw reset, time-consuming and laborious, is easily damaged instrument, there are security risks.Although four, setting in the prior art
Detachable rongeur is counted, but its vice body and handle are easy to loosen, and are easy to cause vice body to fall off with handle in Overexertion.
Patent document " rotatable detachable rongeur " (CN200977196) discloses a kind of rotatable detachable and stings
Bone forceps, it is primarily adapted for use in bone surgery comprising claw beam device, clamp main body device and clamp handle device, claw beam device are plugged on
In clamp main body device, clamp handle device includes fixed handle and flexible handle interconnected, is equipped in the claw beam device
Quiet claw beam, dynamic claw beam, push rod and push rod compressed spring, quiet claw beam and dynamic claw beam are mutually matched, and push rod passes through screw thread and dynamic claw beam
Connection, push rod compressed spring are mounted between quiet claw beam and push rod, it is characterised in that: the clamp main body device and clamp handle device
It is arranged to detachable structure, the two clamping, and the rear screw by being mounted on fixed handle is fixed.The clamp main body device
Be made of clamp main body, gusset, steel ball compressed spring and steel ball, clamp main body is fixed with gusset by gusset screw, steel ball respectively with
Claw beam device and the contact of steel ball compressed spring, steel ball compressed spring are positioned by steel ball screw.The rotatable detachable stings bone
Although clamping clamp main body device and clamp handle device being detachable, easy to clean and disinfection avoids the cross-infection between patient, this sets
It is standby to need to dismantle pliers when rongeur is stuck and pry open jaw reset, it is time-consuming and laborious, and it is easily damaged instrument, influence operation peace
Entirely.
Utility model content
In order to solve the problems existing in the prior art, jaw work stuck with solution jaw that the utility model proposes one kind
The adjustable detachable laminectomy rongeur in direction.
The utility model includes claw beam device, clamp main body device and clamp handle device, and claw beam device is plugged on clamp main body device
Interior, the claw beam device includes that quiet claw beam, dynamic claw beam, push rod and push rod reset spring, quiet claw beam and dynamic claw beam are mutually matched, push away
Bar is threadedly coupled with dynamic claw beam,
The clamp main body device includes vice body housing, and vice body housing side is equipped with strip through-hole,
The shifting part for driving push rod mobile is set on the push rod, the shifting part is on push rod along the push rod side of movement
To activity, the push rod tail portion is equipped with the limit plate of limitation shifting part position, is set with push rod reset spring, institute on the push rod
It states push rod reset spring to abut against with shifting part, the shifting part horizontal displacement scope of activities is corresponding with strip through-hole, described
Shifting part passes through strip through-hole and extends to outside vice body housing.
Further, the shifting part includes stirring sliding block and being mounted on the impeller for stirring sliding block side, the dynamic cunning
Block is connected by the way of separating combination with impeller, and the impeller passes through strip through-hole and extends to outside vice body housing.
Further, there is a mounting hole in the sliding block side of stirring, and the mounting hole is equipped with internal screw thread, it is described stir sliding block with
Impeller is using threaded connection.
Further, the slider shape of stirring is cylindrical body, and the mounting hole divides in a ring stirring sliding block side surface
Cloth.
Further, the clamp main body device further includes the revolving part being sleeved in vice body housing, revolving part and quiet claw beam
It is fixedly connected, push rod is set in the revolving part, the revolving part is abutted with push rod reset spring, and the revolving part is in cylinder
Shape, and it is less than the outer diameter close to pusher portion close to the outer diameter of claw beam device part.
Further, vice body jacket bottom front end is equipped with gusset, and the clamp handle device includes fixed handle, the pincers
Agent set and clamp handle device are by gusset progress inclined-plane clamping, and the rear screw by being mounted on fixed handle is fixed.
Further, the gusset is equipped with steel ball and steel ball compressed spring, side table of the revolving part close to pusher portion
Face is equipped with groove, and steel ball is contacted with groove and steel ball compressed spring respectively.
Further, the groove is uniformly distributed along revolving part circumferencial direction.
Further, the gusset is equipped with the stopping screw for preventing revolving part from retreating.
Further, vice body housing is stretched out in the revolving part front end, and the revolving part stretches out vice body coat part side surface
Equipped with swivelling chute.
The utility model compared with the existing technology, the advantage is that:
1, be successively set with shifting part and push rod reset spring on the utility model push rod, shifting part can on push rod edge
The activity of push rod moving direction, push rod tail portion be equipped with the limit plate of limitation shifting part position, shifting part avoided to slide on push rod
When, shifting part is skidded off from push rod, and vice body housing side is equipped with strip through-hole, the direction of strip through-hole and push rod moving direction one
It causes, and shifting part passes through strip through-hole and extends to outside vice body housing, shifting part is arranged in the utility model, when laminectomy rongeur jaw
It is stuck, when push rod reset spring cannot make recovery rod to initial position, shifting part can be pushed, shifting part is allowed to abut limit
Plate drives push rod to retract, and then claw beam is made to retract, and has the function that jaw resets；It is stuck relative to traditional solution jaw
Mode, i.e., laminectomy rongeur is dismantled, by special equipment pry open jaw reset in the way of, it is more time saving and energy saving, no
It will affect the lasting progress of operation, guarantee medical safety, extend the service life of each component.
2, the utility model impeller includes 2 parts, respectively stirs sliding block and impeller, stirs sliding block and impeller
The connection type combined using separation, is preferably threadedly coupled, and impeller passes through strip through-hole and extends to outside vice body housing, works as vertebra
When the case where plate rongeur normal use, impeller separates, and keeps vice body jacket structure smooth, impeller is avoided to clamp
Protrusion is put on outside body, patient is accidentally touched, causes patient suffering；When laminectomy rongeur jaw is stuck, impeller, which is integrated to, stirs cunning
On block, slide block movement is stirred in promotion, and then drives push rod mobile, resets claw beam, and releasing is stuck, and it is convenient to operate, structure letter
It is single.
3, it is cylindrical body that the utility model, which stirs slider shape, stirs sliding block side equipped with mounting hole, the mounting hole exists
It stirs sliding block side surface to be distributed in a ring, when laminectomy rongeur adjusts jaw direction, push rod is rotated, and mounting hole is being stirred
Sliding block side surface is distributed in a ring, not will cause and is stirred after sliding block rotated with push rod, position of mounting hole no longer corresponds to bar shaped
The case where through-hole, generates, and saves operating procedure, improves service efficiency.
4, the utility model is equipped with the revolving part being sleeved in vice body housing, and revolving part is fixedly connected with quiet claw beam, each portion
Part is split, and is installed convenient for the disassembly of laminectomy rongeur, is facilitated the direction of jaw to adjust, revolving part is equipped with close to push rod end face
Facing groove, facilitate receiving with abut push rod and push rod reset spring, be convenient for push rod and dynamic claw beam central alignment, so that vertebral plate is stung bone
It is more reasonable to clamp spatial design, it is compact-sized.
5, the utility model vice body jacket bottom front end is equipped with gusset, and the gusset is equipped with steel ball and steel ball compressed spring,
The revolving part is equipped with groove close to the side surface of pusher portion, and steel ball is contacted with groove and steel ball compressed spring respectively, described
Groove is uniformly distributed along revolving part circumferencial direction, and steel ball passes through the effect of steel ball compressed spring, is abutted outside revolving part, is worked as rotation
When part is rotated, steel ball carries out circumference along revolving part surface and moves, and when jaw direction determines, no longer makes to revolving part application
Its external force rotated, steel ball are fallen into similar groove, and fixed revolving part fixes jaw direction.
6, the utility model gusset is equipped with the stopping screw for preventing revolving part from retreating, and when jaw is stuck, pushes
Shifting part retreats push rod and dynamic claw beam and resets, will not be because of the retrogressing reset band of push rod and dynamic claw beam by stopping screw
The retrogressing of sound claw beam and revolving part guarantees the stability of apparatus structure.
Detailed description of the invention
It, below will be to needed in embodiment description in order to illustrate more clearly of the technical solution of the utility model
Attached drawing is briefly described, it should be apparent that, be described below in the attached drawing of related the utility model be only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is the utility model claw beam device and 3 combining structure schematic diagram of component.
Fig. 3 is partial enlarged view at the utility model A.
Fig. 4 is 3 structural schematic diagram of the utility model component.
Fig. 5 is 4 structural schematic diagram of the utility model component.
Fig. 6 is 6 structural schematic diagram of the utility model component.
1 quiet claw beam in the figure, 2 dynamic claw beams, 21 osteotomy plates, 3 revolving parts, 31 grooves, 32 swivelling chutes, 4 vice body housings, 41
Gusset, 42 steel balls, 43 steel ball compressed springs, 44 stopping screw mounting holes, screw mounting hole after 45,46 strip through-holes, 5 push rods are multiple
Position spring, 6 push rods, 61 threaded mounting holes, 62 limit plates, 7 stir sliding block, 71 mounting holes, screw after 8,9 flexible handles, and 10 is solid
Determine handle, 11 stopping screws.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Detailed description, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole implementation
Example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figs. 1-5, the utility model includes claw beam device, clamp main body device and clamp handle device, claw beam device grafting
In clamp main body device, the claw beam device includes quiet claw beam 1, dynamic claw beam 2, push rod 6 and push rod reset spring 5, quiet 1 He of claw beam
Dynamic claw beam 2 is mutually matched, and push rod 6 is threadedly coupled with dynamic claw beam 2,
The clamp main body device includes vice body housing 4, and 4 side of vice body housing is equipped with strip through-hole 46,
The shifting part for driving push rod 6 mobile is set on the push rod 6, the shifting part moves on push rod 6 along push rod 6
Dynamic direction is mobile, and 6 tail portion of push rod is equipped with the limit plate 62 of limitation shifting part position, and it is multiple that push rod is set on the push rod 6
Position spring 5, the push rod reset spring 5 are abutted against with shifting part, the shifting part horizontal displacement scope of activities and strip through-hole
46 is corresponding, and the shifting part passes through strip through-hole 46 and extends to outside vice body housing 4.
The utility model is made of claw beam device, clamp main body device and clamp handle device, and claw beam device and clamp main body device are inserted
It connects, clamp handle device and clamp main body device are clamped, and have thus not only facilitated cleaning and disinfection, but also be convenient to replace other binding clips.
Claw beam device includes quiet claw beam 1, dynamic claw beam 2, push rod 3 and push rod reset spring 5, and T shape is equipped on quiet claw beam 1
Slot is equipped with T osteotomy plate 21 on dynamic claw beam 2, makes T-slot and T osteotomy plate 21 by lead-over groove between quiet claw beam 1 and dynamic claw beam 2
Cooperation, push rod 6 are equipped with threaded mounting hole 61, are connect by screw thread with dynamic claw beam 2, push rod reset spring 5 is sleeved on push rod 6
On, for making push rod 6 reset to initial position after 6 forward impelling of push rod.In addition, clamp main body device includes vice body housing 4, it is described
4 side of vice body housing is equipped with strip through-hole 46, and the direction of strip through-hole 46 is consistent with 6 moving direction of push rod, and 6 tail portion of push rod is equipped with
Limit plate 62 is set with shifting part on push rod 6, and the both ends of shifting part are abutted with push rod reset spring 5 and limit plate 62 respectively, dials
Moving part displacement activity range is corresponding with 46 position of strip through-hole, and shifting part passes through strip through-hole 46 and extends to outside vice body housing 4.
Shifting part and push rod reset spring 5 are successively set on the utility model push rod 6, shifting part can be on push rod 6
Along push rod 6 moving direction activity, 6 tail portion of push rod is equipped with the limit plate 62 of limitation shifting part position, avoids shifting part in push rod 6
When upper sliding, shifting part is skidded off from push rod 6,4 side of vice body housing be equipped with strip through-hole 46, the direction of strip through-hole 46 with push away
6 moving direction of bar is consistent, and shifting part passes through strip through-hole 46 and extends to outside vice body housing 4, and shifting part is arranged in the utility model,
When laminectomy rongeur jaw is stuck, when push rod reset spring 5 cannot make push rod 6 be returned to initial position, shifting part can be pushed,
It allows shifting part to abut limit plate 52, push rod 6 is driven to retract, and then claw beam 2 is made to retract, have the function that jaw resets；Relatively
The stuck mode of jaw is solved in traditional, i.e., laminectomy rongeur is dismantled, pries open jaw reset using special equipment
Mode, it is more time saving and energy saving, it will not influence the lasting progress of operation, guarantee medical safety, extend the service life of each component.
The shifting part includes stirring sliding block 7 and being mounted on the impeller for stirring 7 side of sliding block, the movable slider 7 with push away
Moving part connects in such a way that separation combines, and the impeller passes through strip through-hole 46 and extends to outside vice body housing 4.
There is mounting hole 71 in 7 side of sliding block of stirring, and the mounting hole 71 is equipped with internal screw thread, described to stir sliding block 7 and push away
Moving part is using threaded connection.
The utility model shifting part includes stirring sliding block 7 and being mounted on the impeller for stirring 7 side of sliding block, fluctuates sliding block 7
There is mounting hole 71 in side, and impeller can separate combination with fluctuation sliding block 7, the mode being preferably threadedly coupled, and impeller is another
End extends to outside vice body housing 4 across strip through-hole 46, when the case where laminectomy rongeur normal use, under impeller is separable
Come, keep 4 structure of vice body housing smooth, avoids impeller prominent on vice body housing 4, accidentally touch patient, cause patient suffering；When
When laminectomy rongeur jaw is stuck, impeller is combined to be installed to and be stirred on sliding block 7, and the movement of sliding block 7 is stirred in promotion, and then is driven and pushed away
Bar 6 is mobile, resets claw beam, and releasing is stuck, and it is convenient to operate, and structure is simple.
7 shape of sliding block of stirring is cylindrical body, and the mounting hole 71 is distributed in a ring stirring 7 side surface of sliding block.
It is cylindrical body that the utility model, which stirs 7 shape of sliding block, and the mounting hole 71 divides in a ring stirring 7 side surface of sliding block
Cloth, when laminectomy rongeur adjusts jaw direction, push rod 6 is rotated, and mounting hole 71 divides in a ring stirring 7 side surface of sliding block
The case where cloth not will cause and stir after sliding block 7 rotated with push rod 6, and 71 position of mounting hole no longer corresponds to strip through-hole 46 produces
It is raw, operating procedure is saved, service efficiency is improved.
As an optimal technical scheme of the utility model, stirs and be equipped with swing roller between sliding block 7 and push rod 6, push away
Bar 6 passes through swing roller center, and this design is conducive to stir the position adjustment of sliding block 7, will not influence push rod 6, while when pincers
When mouth is stuck, stirring for sliding block 7 is conveniently stirred, the operating time is shortened.
The clamp main body device further includes the revolving part 3 being sleeved in vice body housing 4, revolving part 3 and the fixed company of quiet claw beam 1
It connects, push rod 6 is set in the revolving part 3, the revolving part 3 is abutted with push rod reset spring 5, and the revolving part 3 is in cylinder
Shape, and it is less than the outer diameter close to 6 part of push rod close to the outer diameter of claw beam device part.
The utility model clamp main body device further includes the revolving part 3 being sleeved in vice body housing 4, revolving part 3 and quiet claw beam 1
It is fixedly connected, each component is split, and installs convenient for the disassembly of laminectomy rongeur, the direction of jaw is facilitated to adjust；Revolving part 3 leans on
The end face of nearly push rod 6 is equipped with facing groove, facilitate receiving with abut push rod 6 and push rod reset spring 5, convenient for push rod and dynamic claw beam
Central alignment keeps laminectomy rongeur spatial design more reasonable, compact-sized；Revolving part 3 is cylindrical, and close to claw beam device
The outer diameter that partial outer diameter is less than close to 6 part of push rod avoids revolving part 3 from pincers convenient for preferably limiting the position of revolving part 3
4 front end of body housing removes.
4 bottom front of vice body housing is equipped with gusset 41, and the clamp handle device includes fixed handle 10, the clamp main body
Device and clamp handle device are by the progress inclined-plane clamping of gusset 41, and the rear screw 8 by being mounted on fixed handle 10 is fixed.
The gusset 41 is equipped with steel ball 42 and steel ball compressed spring 43, side surface of the revolving part 3 close to 6 part of push rod
Equipped with groove 31, steel ball 42 is contacted with groove 31 and steel ball compressed spring 43 respectively.
The groove 31 is uniformly distributed along 3 circumferencial direction of revolving part.
4 bottom front of the utility model vice body housing is equipped with gusset, clamp main body device and clamp handle device by gusset 41 into
The clamping of row inclined-plane, clamp handle device include flexible handle 9 and fixed handle 10, and flexible handle 9 and fixed handle 10 are followed closely by arbor
It carries out hingedly, the vice body housing 4 of clamp main body device is mounted on fixed handle 10 to be fixed by rear screw 8, and entire vertebral plate stings bone
Pincers are all made of design for disassembly, reduce welding design, facilitate the replacement and maintenance of various parts, prolong the service life；It is described
Gusset 41 is equipped with steel ball 42 and steel ball compressed spring 43, and revolving part 3 is equipped with groove 31, steel ball close to the side surface of 6 part of push rod
42 contact with groove 31 and steel ball compressed spring 43 respectively, withstand steel ball 42 by steel ball compressed spring 43, withstand on steel ball 43
In groove 31, the rotation angle of revolving part 3 is thereby determined that, the groove 31 is uniformly distributed along 3 circumferencial direction of revolving part, steel ball 42
By the effect of steel ball compressed spring 43, abut outside revolving part 3, when revolving part 3 is rotated, steel ball 42 is along revolving part 3
Surface carries out circumference movement, when jaw direction determines, no longer applies the external force for rotating it to revolving part 3, steel ball 42 is fallen into
Enter in similar groove 31, fixed revolving part 3 determines jaw direction.
The gusset 41 is equipped with the stopping screw 11 for preventing revolving part 3 from retreating.
The stopping screw 11 that the utility model gusset 41 is equipped with for preventing revolving part 3 from retreating is pushed away when jaw is stuck
Dynamic shifting part retreats push rod 6 and dynamic claw beam 2 and resets, will not be because of the retrogressing of push rod 6 and dynamic claw beam 2 by stopping screw 11
It resets and the retrogressing with sound claw beam 1 and revolving part 3, guarantees the stability of apparatus structure.
Vice body housing 4 is stretched out in 3 front end of revolving part, and the revolving part 3 stretches out 4 component side surface of vice body housing and is equipped with rotation
Turn trough 32.
Vice body housing 4 is stretched out in 3 front end of the utility model revolving part, and revolving part 3 stretches out 4 component side surface of vice body housing and is equipped with
Swivelling chute 32 facilitates medical staff to need adjusting jaw direction according to operation.
For the utility model in actual installation process, claw beam device, clamp main body device and each component of clamp handle device use can
Detachable design, flexible handle 9 and fixed handle 10 are carried out hingedly by arbor nail, and vice body housing 4 passes through with fixed handle 10
Gusset 41 carries out inclined-plane clamping, and the rear screw 8 by being mounted on fixed handle 10 is fixed, is set with rotation in vice body housing 4
Turn part 3, the stopping screw mounting hole 44 on gusset 41 is equipped with stopping screw 11, prevents revolving part 3 from retreating, revolving part 3
On groove 31 it is corresponding with 42 position of steel ball on gusset 41, revolving part 3 is fixedly connected with quiet claw beam 1, quiet claw beam 1 and dynamic pincers
Cooperate T-slot and T osteotomy plate 21 by lead-over groove between bar 2, revolving part 3 is equipped with facing groove close to the end face of push rod 6, uses
Push rod 6, the push rod reset spring 5 for being successively set with shifting part on push rod 6 and abutting with revolving part 3,6 tail of push rod are set in part
Portion is equipped with limit plate 62, and for limiting shifting part displacement, 62 other end of limit plate is abutted with flexible handle 9, and 6 front end of push rod is equipped with
Threaded mounting hole 61 is connect by screw thread with dynamic claw beam 2.
When the utility model carries out direction adjustment, swivelling chute 32 can be manually rotated, rotate revolving part 3, revolving part 3 is clamped with sound
Bar 1 rotates, and quiet claw beam 1 rotates claw beam 2, and then drives the rotation of push rod 6, to be suitble to different operative treatment angles, when
When jaw direction determines, no longer applying the external force for rotating it to revolving part 3, steel ball 42 is fallen into similar groove 31, Gu
Determine revolving part 3, determines jaw direction.
In surgical procedure, when stuck phenomenon occurs for jaw, the strip through-hole 46 that impeller passes through vice body housing 4 is solid
Dingan County, which is attached to, stirs on sliding block 7, and the movement of sliding block 7 is stirred in promotion, allows and stirs the abutting limit plate 52 of sliding block 7, push rod 6 is driven to retract,
And then claw beam 2 is made to retract, have the function that jaw resets, releasing is stuck, and it is convenient to operate, and structure is simple, and laminectomy rongeur is
It adapts to different operative treatment angles and carries out that this technical method for releasing stuck phenomenon will not be influenced when rotation adjustment
It carries out.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, the utility model can also on the premise of not departing from the spirit and scope of the utility model
There are various changes and modifications, these various changes and improvements fall within the scope of the claimed invention.The utility model is wanted
Protection scope is asked to be defined by appended claims and its equivalent.
Claims (10)
1. a kind of laminectomy rongeur, including claw beam device, clamp main body device and clamp handle device, claw beam device is plugged on clamp main body dress
In setting, the claw beam device includes quiet claw beam (1), dynamic claw beam (2), push rod (6) and push rod reset spring (5), quiet claw beam (1) and
Dynamic claw beam (2) are mutually matched, and push rod (6) is threadedly coupled with dynamic claw beam (2), it is characterised in that:
The clamp main body device includes vice body housing (4), and vice body housing (4) side is equipped with strip through-hole (46),
The shifting part for driving push rod (6) mobile is set on the push rod (6), the shifting part is on push rod (6) along push rod
(6) moving direction activity, push rod (6) tail portion are equipped with the limit plate (62) of limitation shifting part position, cover on the push rod (6)
Equipped with push rod reset spring (5), the push rod reset spring (5) abuts against with shifting part, the shifting part horizontal displacement activity
Range is corresponding with strip through-hole (46), and the shifting part passes through strip through-hole (46) and extends to vice body housing (4) outside.
2. laminectomy rongeur as described in claim 1, which is characterized in that the shifting part includes stirring sliding block (7) and installation
In the impeller for stirring sliding block (7) side, the movable slider (7) is connected by the way of separating combination with impeller, described to push away
Moving part passes through strip through-hole (46) and extends to vice body housing (4) outside.
3. laminectomy rongeur as claimed in claim 2, which is characterized in that described sliding block (7) side of stirring has mounting hole (71),
The mounting hole (71) is equipped with internal screw thread, and the sliding block (7) of stirring is threadedly coupled with impeller use.
4. laminectomy rongeur as claimed in claim 3, which is characterized in that sliding block (7) shape of stirring is cylindrical body, described
Mounting hole (71) is distributed in a ring stirring sliding block (7) side surface.
5. the laminectomy rongeur as described in claim 1-4 any claim, which is characterized in that the clamp main body device also wraps
The revolving part (3) being sleeved in vice body housing (4) is included, revolving part (3) is fixedly connected with quiet claw beam (1), in the revolving part (3)
It is set with push rod (6), the revolving part (3) abuts with push rod reset spring (5), and the revolving part (3) is cylindrical and close
The outer diameter of claw beam device part is less than the outer diameter close to push rod (6) part.
6. laminectomy rongeur as claimed in claim 5, which is characterized in that vice body housing (4) bottom front is equipped with gusset
(41), the clamp handle device includes that fixed handle (10), the clamp main body device and clamp handle device are carried out tiltedly by gusset (41)
Face clamping, and the rear screw (8) by being mounted on fixed handle (10) is fixed.
7. laminectomy rongeur as claimed in claim 6, which is characterized in that the gusset (41) is equipped with steel ball (42) and steel ball pressure
Contracting spring (43), the revolving part (3) close to push rod (6) part side surface be equipped with groove (31), steel ball (42) respectively with it is recessed
Slot (31) and steel ball compressed spring (43) contact.
8. laminectomy rongeur as claimed in claim 7, which is characterized in that the groove (31) is along revolving part (3) circumferencial direction
It is uniformly distributed.
9. laminectomy rongeur as claimed in claim 8, which is characterized in that the gusset (41) is equipped with for preventing revolving part
(3) stopping screw (11) retreated.
10. laminectomy rongeur as claimed in claim 9, which is characterized in that vice body housing is stretched out in revolving part (3) front end
(4), the revolving part (3) stretches out vice body housing (4) component side surface equipped with swivelling chute (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821450517.0U CN208958253U (en) | 2018-09-05 | 2018-09-05 | A kind of laminectomy rongeur |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821450517.0U CN208958253U (en) | 2018-09-05 | 2018-09-05 | A kind of laminectomy rongeur |
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| CN208958253U true CN208958253U (en) | 2019-06-11 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111227904A (en) * | 2020-03-17 | 2020-06-05 | 中国人民解放军联勤保障部队第九八〇医院 | Medical electric drive vertebral plate rongeur device |
| CN113081151A (en) * | 2021-03-22 | 2021-07-09 | 欧申纳斯(苏州)医疗科技有限公司 | 360 rotatory vertebral plate pincers convenient to remove card is dead |
| CN113317846A (en) * | 2021-07-13 | 2021-08-31 | 上海长征医院 | Suction apparatus gun-shaped rongeur for laminectomy decompression |
| CN117398233A (en) * | 2023-12-14 | 2024-01-16 | 晟洛凯医疗科技(杭州)有限公司 | Portable meibomian gland therapeutic instrument |
-
2018
- 2018-09-05 CN CN201821450517.0U patent/CN208958253U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111227904A (en) * | 2020-03-17 | 2020-06-05 | 中国人民解放军联勤保障部队第九八〇医院 | Medical electric drive vertebral plate rongeur device |
| CN113081151A (en) * | 2021-03-22 | 2021-07-09 | 欧申纳斯(苏州)医疗科技有限公司 | 360 rotatory vertebral plate pincers convenient to remove card is dead |
| CN113317846A (en) * | 2021-07-13 | 2021-08-31 | 上海长征医院 | Suction apparatus gun-shaped rongeur for laminectomy decompression |
| CN117398233A (en) * | 2023-12-14 | 2024-01-16 | 晟洛凯医疗科技(杭州)有限公司 | Portable meibomian gland therapeutic instrument |
| CN117398233B (en) * | 2023-12-14 | 2024-03-22 | 晟洛凯医疗科技(杭州)有限公司 | Portable meibomian gland therapeutic instrument |
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