CN209253092U - A kind of reduction forceps for the fracture of the posterior wall of the acetabulum treatment - Google Patents
A kind of reduction forceps for the fracture of the posterior wall of the acetabulum treatment Download PDFInfo
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- CN209253092U CN209253092U CN201821612995.7U CN201821612995U CN209253092U CN 209253092 U CN209253092 U CN 209253092U CN 201821612995 U CN201821612995 U CN 201821612995U CN 209253092 U CN209253092 U CN 209253092U
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- rack gear
- fracture
- gripping section
- clamping head
- reduction forceps
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Abstract
The utility model relates to a kind of reduction forceps for the fracture of the posterior wall of the acetabulum treatment, the lower clamp piece is equipped with lower clamping head, which is equipped with serration item, and lower clamping head is equipped with holding tank inside, is equipped with teeth in holding tank；Upper pliers plate is connected by pivot pin with lower clamp piece, and the gripping section of upper pliers plate is equipped with upper clamping head, and clamping head, which is equipped with, on this resets nail card slot, and the arc of upper pliers plate holds segment trailer and is equipped with locking device, for the locking after reduction forceps clamping；Clamping head, which is equipped with serration item, under this reduction forceps can increase grasping force, and the length of the gripping section of reduction forceps sets that there are two types of specifications, be suitable for the reset of different length fracture line；The gripping section of upper pliers plate, which is equipped with, resets nail card slot, it can make fracture site lifting, rotation and pressurization, the reasonable reset force of mechanical structure is strong, it is good to reset rear stability, without being further added by the grips pincers auxiliary stable fracture broken ends of fractured bone, it can carry out placing steel plate screw operation, meet the requirement of in-vivo procedures, it is small to block surgical field of view range.
Description
Technical field
The utility model belongs to the field of medical instrument technology more particularly to a kind of reset for the fracture of the posterior wall of the acetabulum treatment
Pincers.
Background technique
Fracture of acetabulum is common intra-articular complicated fracture, and due to its anatomical position depth, classification of fracture is complicated, and when operation is multiple
The fixed difficulty in position is larger；Currently used reset means mainly pass through auxiliary traction and reduction forceps clamping resets, existing multiple
Position pincers are preferable for the fracture of acetabulum fixed effect simply resetted, but for complicated unstable fracture of acetabulum, existing reset
Pincers can not adapt to the reset of the fracture line of different length, can not also clamp the lifting for resetting nail card slot to realize fracture.
Utility model content
To solve the above-mentioned problems, the utility model proposes a kind of reduction forceps for the fracture of the posterior wall of the acetabulum treatment.
The technical solution of the content of the present invention is: a kind of reduction forceps for the fracture of the posterior wall of the acetabulum treatment, including upper pincers
Piece, lower clamp piece and locking device, it is characterized in that: the lower clamp piece includes that gripping section first, arc holding section first and hook-type are fixed
End, the gripping section first connect with one end of arc holding section first, junction equipped with pin hole first, arc holding section first it is another
End is connect with hook-type fixing end；The end of the gripping section first is equipped with the lower clamping head that there is arc transition at tip, and lower clamping head is past
Interior to be equipped with holding tank, which is equipped with several lateral teeth first, and the coupler body outer end face of hook-type fixing end is equipped with
Latch；
The upper pliers plate includes gripping section second and arc holding section second, and the end of the gripping section second is equipped with upper clamping head, should
It is equipped in the middle part of the lower end of upper clamping head and resets nail card slot, upper clamping head is equipped with corresponding several with several above-mentioned teeth first inward
The middle part of a teeth second, several teeth second is equipped with long recess；Inside close to arc holding section second end is solid equipped with rack gear seat
Determine hole, is equipped with threaded hole inward from the rack gear seat fixation hole；The connection of the gripping section second and arc holding section second goes out to be equipped with
With the matched pin hole second of above-mentioned pin hole；Pivot pin is installed to connect upper pliers plate and lower clamp piece in pin hole first and pin hole second
It connects, the length of the gripping section first is set as or 20cm 15cm longer than the length of clamping end second；
The locking device includes rack gear, rack gear seat and elastic slice, and the rack gear seat is connect with above-mentioned rack gear seat fixation hole,
Rack gear be equipped with and the matched tooth socket of above-mentioned latch, the lower end of rack gear be located at the link slot in the middle part of rack gear seat Nei and pass through pivot pin with
One end of link slot connection, elastic slice is connect by screw with above-mentioned threaded hole, and the other end of elastic slice is located at the link slot of rack gear seat
The bottom end of bottom and rack gear connecting pin compresses.
Preferably, described it is characterized in that: pin hole first is arranged right below and pin hole first size in the lower clamp piece
Identical pin hole third.
Preferably, several described teeth first are corresponding with the position of several teeth second and size is identical.
Preferably, gripping section second and arc between gripping section first and arc holding section first, in lower clamp piece on the upper pliers plate
Vertical flat nick is cut between shape holding section second.
Preferably, the inboard of the lower clamping head is equipped with the inclined-plane with the bottom surface of holding tank in 145 degree of angles, the inclined-plane
It is equipped with lateral serration item.
The advantageous effects of the content of the present invention are: the lower clamp piece of the utility model is equipped with lower clamping head, under this
Clamping head is equipped with serration item, and lower clamping head is equipped with holding tank inside, is equipped with teeth first in holding tank；Upper pliers plate by pivot pin and
Lower clamp piece connection, the gripping section of upper pliers plate are equipped with upper clamping head, and clamping head, which is equipped with, on this resets nail card slot, the arc of upper pliers plate
It holds segment trailer and is equipped with locking device, for the locking after reduction forceps clamping；Clamping head is equipped with thin under the reduction forceps of the application
Rack gear can increase grasping force, and the length of the gripping section first of reduction forceps sets that there are two types of specifications, be suitable for answering for different length fracture line
Position；The gripping section of upper pliers plate, which is equipped with, resets nail card slot, can make fracture site lifting, rotation and pressurization, and mechanical structure is reasonable,
Reset force is strong, can satisfy the reset requirement of fracture end three-dimensional displacement, reset rear stability is good, without being further added by grips pincers
The stable fracture broken ends of fractured bone is assisted, can carry out placing steel plate screw operation, meet the requirement of in-vivo procedures, block surgical field of view range
It is small.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the upper pliers plate structural schematic diagram of the utility model；
Fig. 3 is the present invention looks up structural representation of Fig. 2；
Fig. 4 is the A of Fig. 2 to structural schematic diagram；
Fig. 5 is the lower clamp piece structural schematic diagram of the utility model；
Fig. 6 is the present invention looks up structural representation of Fig. 4；
Fig. 7 is enlarged structure schematic diagram at the A of the utility model；
Fig. 8 is enlarged structure schematic diagram at the B of the utility model；
Fig. 9 is the partial enlargement structural representation of Fig. 4；
In figure, 1. gripping section first, 2. arc holding section first, 3. hook-type fixing ends, 4. pin hole first, 5. lower clamping head, 6.
Teeth first, 7. latch, 8. gripping section second, 9. arc holding section second, clamping head on 10., 11. reset nail card slots, 12. teeth second,
13, long recess, 14, rack gear seat fixation holes, 15. threaded holes, 16. pin hole second, 17. pin holes third, 18. rack gears, 19. teeth
Item seat, 20. elastic slices, 21. tooth sockets, 22. serration items, 23. vertical flat nicks, 24 link slots.
Specific embodiment
Embodiment one, referring to Figure of description 1-8, a kind of reduction forceps for the fracture of the posterior wall of the acetabulum treatment, including upper pincers
Piece, lower clamp piece and locking device, it is characterized in that: the lower clamp piece includes that gripping section first, arc holding section first and hook-type are fixed
End, the gripping section first are connect with one end of arc holding section first, and junction is equipped with pin hole first, the other end of arc holding section
It is connect with hook-type fixing end；The end of the gripping section first is equipped with lower clamping head, and lower clamping head is equipped with holding tank inside, the clamping
Trench bottom is equipped with several lateral teeth first, and the coupler body outer end face of hook-type fixing end is equipped with latch；
The upper pliers plate includes gripping section second and arc holding section second, and the end of the gripping section second is equipped with upper clamping head, should
It is equipped in the middle part of the lower end of upper clamping head and resets nail card slot, reset nail card slot is used to fixed reset and follows closely card slot, and fracture can be made disconnected
End lifting, rotation and pressurization, upper clamping head are equipped with several teeth second corresponding with several above-mentioned teeth first inward, several
The middle part of teeth second is equipped with long recess；Inside close to arc holding section second end is equipped with rack gear seat fixation hole, from the rack gear seat
Fixation hole is equipped with threaded hole inward；The connection of the gripping section second and arc holding section second goes out to be equipped with to be matched with above-mentioned pin hole
Pin hole second；Pivot pin is installed in pin hole first and pin hole second and connects upper pliers plate with lower clamp piece；
The locking device includes rack gear, rack gear seat and elastic slice, and the rack gear seat is connect with above-mentioned rack gear seat fixation hole,
Rack gear be equipped with and the matched tooth socket of above-mentioned latch, the lower end of rack gear be located at the link slot in the middle part of rack gear seat Nei and pass through pivot pin with
One end of link slot connection, elastic slice is connect by screw with above-mentioned threaded hole, and the other end of elastic slice is located at the link slot of rack gear seat
The bottom end of bottom and rack gear connecting pin compresses, which can be after tooth socket be connected with latch, by the elastic force of elastic slice by tooth
Item is fixed, and be to avoid and is fallen off.
The length of the gripping section first is set as or 20cm 15cm longer than the length of clamping end second, and another kind of specification is adapted to
The reset of different length fracture line.
It is described it is characterized in that: pin hole first is arranged right below axis identical with pin hole first size in the lower clamp piece
Pin hole third.
Several described teeth first are corresponding with the position of several teeth second and size is identical, and the positions of teeth is to should be able to
It plays and best stings holding effect fruit.
Gripping section second and arc holding section between gripping section first and arc holding section first, in lower clamp piece on the upper pliers plate
Vertical flat nick is cut between second, pin hole also is located at the notch and goes out, for upper and lower clamp piece to be stably connected with.
The inboard of the lower clamping head is equipped with the inclined-plane with the bottom surface of holding tank in 145 degree of angles, which is holding bone
Icarceration can make embolia during closing, which is equipped with lateral serration item, and grasping force can be enhanced in serration item.
The use process of the utility model is: the clamping head on reduction forceps upper pliers plate being placed at fracture of acetabulum when use
Stabilized end, the clamping head under reduction forceps in clamp piece is placed in the movable end of fracture, then firmly hold reduction forceps arc
Movable end at fracture of acetabulum is tightened in the stabilized end of fracture by shape holding section, the movable end at fracture of acetabulum and steady
Fixed end fitting is next, and the rack gear of locking device is connect with latch, realizes the fixation of reduction forceps, finally installs additional at fracture of acetabulum
Reset nail and reset plate.
Claims (5)
1. it is a kind of for the fracture of the posterior wall of the acetabulum treatment reduction forceps, including upper pliers plate, lower clamp piece and
Locking device, it is characterized in that: the lower clamp piece includes gripping section first, arc holding section first and hook-type fixing end, it is described
Gripping section first is connect with one end of arc holding section first, and junction is equipped with pin hole first, the other end and hook of arc holding section first
The connection of shape fixing end；The end of the gripping section first is equipped with the lower clamping head that there is arc transition at tip, and lower clamping head is equipped with inside
Holding tank, the clamping trench bottom are equipped with several lateral teeth first, and the coupler body outer end face of hook-type fixing end is equipped with latch；
The upper pliers plate includes gripping section second and arc holding section second, and the end of the gripping section second is equipped with upper clamping head, folder on this
It holds to be equipped in the middle part of the lower end of head and resets nail card slot, upper clamping head is equipped with several teeth corresponding with several above-mentioned teeth first inward
The middle part of tooth second, several teeth second is equipped with long recess；Inside close to arc holding section second end is equipped with rack gear seat fixation hole,
It is equipped with threaded hole inward from the rack gear seat fixation hole；The connection of the gripping section second and arc holding section second go out be equipped with it is above-mentioned
The matched pin hole second of pin hole；Pivot pin is installed in pin hole first and pin hole second and connects upper pliers plate with lower clamp piece, it is described
The length of gripping section first be set as or 20cm 15cm longer than the length of clamping end second；
The locking device includes rack gear, rack gear seat and elastic slice, and the rack gear seat is connect with above-mentioned rack gear seat fixation hole, rack gear
It is equipped with and the matched tooth socket of above-mentioned latch, the lower end of rack gear is located at the link slot in the middle part of rack gear seat Nei and by pivot pin and connections
One end of slot connection, elastic slice is connect by screw with above-mentioned threaded hole, and the other end of elastic slice is located at the connection trench bottom of rack gear seat
It is compressed with the bottom end of rack gear connecting pin.
2. a kind of reduction forceps for the fracture of the posterior wall of the acetabulum treatment according to claim 1, it is characterized in that: its described is special
Sign is: pin hole first is arranged right below pin hole third identical with pin hole first size in the lower clamp piece.
3. a kind of reduction forceps for the fracture of the posterior wall of the acetabulum treatment according to claim 1, it is characterized in that: described is several
A teeth first is corresponding with the position of several teeth second and size is identical.
4. a kind of reduction forceps for the fracture of the posterior wall of the acetabulum treatment according to claim 1, it is characterized in that: the upper pincers
It is cut between gripping section second and arc holding section second between on piece gripping section first and arc holding section first, in lower clamp piece vertical flat
Notch.
5. a kind of reduction forceps for the fracture of the posterior wall of the acetabulum treatment according to claim 1, it is characterized in that: the lower folder
The inboard of head is held equipped with the inclined-plane for the bottom surface of holding tank being in 145 degree of angles, which is equipped with lateral serration item.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821612995.7U CN209253092U (en) | 2018-09-30 | 2018-09-30 | A kind of reduction forceps for the fracture of the posterior wall of the acetabulum treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821612995.7U CN209253092U (en) | 2018-09-30 | 2018-09-30 | A kind of reduction forceps for the fracture of the posterior wall of the acetabulum treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209253092U true CN209253092U (en) | 2019-08-16 |
Family
ID=67552199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821612995.7U Active CN209253092U (en) | 2018-09-30 | 2018-09-30 | A kind of reduction forceps for the fracture of the posterior wall of the acetabulum treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209253092U (en) |
-
2018
- 2018-09-30 CN CN201821612995.7U patent/CN209253092U/en active Active
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