CN209059405U - A kind of pedicle screw pitman cutter device - Google Patents
A kind of pedicle screw pitman cutter device Download PDFInfo
- Publication number
- CN209059405U CN209059405U CN201820409855.3U CN201820409855U CN209059405U CN 209059405 U CN209059405 U CN 209059405U CN 201820409855 U CN201820409855 U CN 201820409855U CN 209059405 U CN209059405 U CN 209059405U
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- CN
- China
- Prior art keywords
- pipe
- stick
- stick pipe
- pitman
- cutter device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000003780 insertion Methods 0.000 abstract description 5
- 230000037431 insertion Effects 0.000 abstract description 5
- 238000001356 surgical procedure Methods 0.000 abstract description 2
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The utility model discloses a kind of pedicle screw pitman cutter devices, including receive stick pipe, adjust long saddle and cutting member；Receive stick pipe tube wall on be provided with along the sliding slot that stick pipe axially arranges is received, adjust long saddle one end setting receiving outside stick pipe pipe, the other end passes through the sliding slot setting received on stick tube wall and receiving in stick pipe pipe, and stick pipe oblique upper is being received in cutting member setting.Pass through the cutter device of the utility model, the pitman cut insertion is received in stick pipe, it is adjusted by receiving the long saddle of tune on stick pipe is receiving the insertion depth of stick pipe, then pass through rotary cutting apparatus entirety, it is rotated centered on stick pipe so that device is whole by receiving, in rotary course, cutting member is promoted to cut pitman.Backbone cone screw pitman can be quickly and accurately cut during surgery.
Description
Technical field
The utility model belongs to the field of medical instrument technology, and in particular to a kind of pedicle screw pitman cutting dress
It sets.
Background technique
Vertebral column internal fixation nail stick system is presently the most common spinal internal fixation system, usually requires in art according to clinic
Need to cut nail tail pitman.Existing cutter device or very heavy, or the inconvenient operation when in use in volume.At present still
Do not have and designs simply, convenient for the pitman cutter of operation.
Summary of the invention
In view of the deficiencies in the prior art, the utility model provides a kind of backbone cone pedicle screw pitman cutting
Device solves the problems, such as that existing cutter device is inconvenient for operation and heavy.
In order to solve the above-mentioned technical problem, the utility model adopts the following technical solution is achieved:
A kind of pedicle screw pitman cutter device, including receive stick pipe, adjust long saddle and cutting member；The stick of receiving
It is provided on the tube wall of pipe and receives the sliding slot that stick pipe axially arranges along described, the sliding slot and perforation in stick pipe pipe of receiving；The tune length
The setting of saddle one end is being received outside stick pipe pipe, and the other end passes through the sliding slot setting received on stick tube wall and receiving in stick pipe pipe, the tune
Long saddle can be along the sliding slot sliding received on stick tube wall；The cutting member is connected to by a connection piece receives stick pipe oblique upper, so that
The cutter device can integrally be rotated centered on stick pipe by receiving；The cutting member can move back and forth towards the stick pipe direction of receiving.
The utility model also has following distinguishing feature:
Described to adjust long saddle include baffle and handle, and the baffle plate setting is being received in stick pipe tube body, and the handle is connected to
On baffle, the handle is stayed in across sliding slot and is received outside stick pipe pipe.
It is offered in the baffle along the hole that baffle radially penetrates through, the handle is a rod piece, and the rod piece includes anti-skidding
The smooth section of section and smooth section, the rod piece is arranged in the hole, and rod piece can slidably reciprocate in hole；The rod piece is smooth
The end of section is supported when receiving on stick inside pipe wall, and the anti-slip section of the rod piece is located in sliding slot.
Anti-slip rubber is enclosed in the anti-slip section, rod piece smooth section end is provided with anti-slip rubber.
The baffle is circular plate, the diameter of circular plate with receive the internal diameter of stick pipe and match, the circular plate can edge
Stick inside pipe wall of receiving sliding.
The cutting member includes cutting blade and connecting rod, and the connecting rod is fixed on connector, the cutter
Connecting rod is arranged in close to receiving the end of stick pipe in piece, the cut surface of the cutting blade with receive the upper surface of stick pipe and flush.
The other end of the connecting rod is connected with propulsion knob, and thread segment, the propulsion button are arranged in the connecting rod
It is threadedly coupled with connecting rod, knob is promoted by rotation to promote connecting rod and cutting blade mobile to stick pipe direction is received.
The stick pipe of receiving is provided with a notch on the tube wall of cutting member one end, and the cutting member is arranged in the notch
Top.
It is provided on the sliding slot trough rim for identifying the scale for adjusting long saddle position.
The connector is annular element, and described annular element one end, which is fixed on, to be received on stick tube wall, and the other end of annular element is solid
Surely there is the cutting member.
Compared with prior art, the utility model has the beneficial effects that
By the cutter device of the utility model, the pitman cut insertion is received in stick pipe, by receiving on stick pipe
Long saddle is adjusted to adjust it and receive the insertion depth of stick pipe, then by rotary cutting apparatus entirety, so that device is whole to receive
It is rotated centered on stick pipe, in rotary course, cutting member is promoted to cut pitman.It can quickly and accurately during surgery
It cuts backbone and bores screw pitman.
Other feature and advantage of the utility model will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram.
Fig. 2 is the sectional view that long saddle is adjusted in the utility model one embodiment.
Each label indicates in figure are as follows: 1- receives stick pipe, the long saddle of 2- tune, 3- cutting member, 4- connector, 5- pitman；
11- sliding slot, 12- scale, 13- notch；
21- baffle, the hole 211-；
22- handle, 221- anti-slip section, 222- smooth section；
31- cutting blade, 32- connecting rod, 33- promote knob.
Explanation is further explained in detail below in conjunction with particular content of the drawings and specific embodiments to the utility model.
Specific embodiment
Be given below specific embodiment of the present utility model, it should be noted that the utility model be not limited to it is following
Specific embodiment, all equivalent transformations made on the basis of the technical solutions of the present application each fall within the protection scope of the utility model.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower " typically refer to
It is defined on the basis of the drawing of respective drawings, " inside and outside " refers to the inner and outer of corresponding component profile.
As shown in Figure 1, the utility model discloses a kind of pedicle screw pitman cutter devices, including receive stick pipe
1, long saddle 2 and cutting member 3 are adjusted；The insertion of pitman 5 cut is received in stick pipe, receive stick pipe 1 tube wall on be provided with along receiving stick
The sliding slot 11 that pipe is axially arranged, sliding slot 11 and stick pipe 1 of receiving manage interior perforation；Adjust the setting of long 2 one end of saddle receive stick pipe 1 manage it is outer, separately
One end passes through the setting of sliding slot 11 received on stick tube wall and is receiving in stick pipe pipe, gos deep into stick pipe to limit pitman 5 receiving
Position adjusts long saddle 2 that can slide along the sliding slot 11 received on stick tube wall；1 oblique upper of stick pipe is being received in the setting of cutting member 3, and cutting member 3 is logical
Cross a connection piece 4 with receive stick pipe 1 and connect so that the cutter device can integrally be rotated centered on stick pipe 1 by receiving；Cutting member 3 can
Move back and forth towards 1 direction of stick pipe is received.
Specifically, 1 tube body of stick pipe is being received in the setting of baffle 21 as shown in Figure 1, adjusting long saddle 2 includes baffle 21 and handle 22
Interior, handle 22 is connected on baffle 21, handle 21 pass through sliding slot 11 stay in receive stick pipe 1 manage it is outer.More specifically, baffle 21 is circle
Plate, the diameter of circular plate with receive the internal diameter of stick pipe 1 and match, circular plate can be along receiving the sliding of 1 inner wall of stick pipe.
Specifically, as shown in Figure 1, cutting member 3 include cutting blade 31 and connecting rod 32, connecting rod 32 be fixed on connection
On part 4, connecting rod 32 is arranged in close to receiving the end of stick pipe 1, the cut surface of cutting blade 31 and stick pipe 1 of receiving in cutting blade 31
Upper surface flushes.In this way, the pitman received in stick pipe is to need part to be cut, when cutting, which only needs to adjust, receives stick pipe
Deeply degree, convenient and efficient, accuracy is high.Specifically, cutting blade is a disc-shaped blade.
Specifically, one and the matched sliding slot of connecting rod 32 are arranged on connector 4, connecting rod 32 moves in sliding slot,
So that cutting member can promote；More specifically, sliding slot is scrak type, and rod piece 22 is to stitch matched metal sheet with this, makes structure
Lightly.
Specifically, being annular element by connector 4, a specially metal sheet, on the one hand this structure can reduce outside other
The interference of portion's structure, while the aesthetics of this device can also be increased.Annular element one end, which is fixed on, to be received on 1 tube wall of stick pipe, annular
The other end of part is fixed with cutting member 3.
Specifically, receiving stick pipe as circular metal tube body.In addition, in order to increase receive stick pipe rotated on pitman 5 it is smooth
Property, stick pipe inside pipe wall of receiving is shiny surface.
Further, as shown in Figure 1, in one embodiment of the utility model, in order to which more convenient mark connects
Stick 5 is receiving the depth in stick pipe 1, and scale 12 is arranged, it can be achieved that quickly positioning, improves the accurate of cutting on 11 trough rim of sliding slot
Property.
Further, it as shown in Fig. 2, in one embodiment of the utility model, for the position of fixed baffle, is keeping off
It is offered in plate 21 along the hole that baffle radially penetrates through 211, handle 22 is a rod piece, and rod piece includes anti-slip section 221 and smooth section
222, the smooth section 222 of rod piece is arranged in hole 211, and rod piece 22 can slidably reciprocate in hole 211；Rod piece smooth section 222
End is supported when receiving on stick inside pipe wall, and the anti-slip section 221 of rod piece is located in sliding slot 11.When needing moving stop 21, pull out
Rod piece 22, anti-slip section 221, which is located at, to be received outside stick pipe 1, and rod piece suffered resistance in 11 moving process of sliding slot is smaller at this time, facilitates shifting
It is dynamic；When needing fixed baffle 21, be pushed into rod piece, make the end of rod piece 22 support receive stick pipe 1 tube wall on, the anti-slip section of rod piece
221 are located in sliding slot 11, play and frictionally secure effect.
In addition, handle 22 is set as square pole, by baffle in order to guarantee the accuracy corresponding with sliding slot side scale of baffle 21
Upper surface be set as flushing with the upper surface of square pole.
More specifically, handle 22 can be made of a connecting rod and the balled end that connecting rod end is arranged in, bulbous end
Convenient for holding.
Further, in another embodiment of the utility model, baffle and handle setting can be integrated,
Anti-slip rubber is set on handle and the contact surface of first sliding groove, can also realize the fixation for adjusting long saddle position, but this scheme phase
To a upper scheme, resistance is larger in handle is moved along first sliding groove, influences using effect.
Further, as shown in Fig. 2, in one embodiment of the utility model, anti-skidding rubber is enclosed in anti-slip section 221
Glue, 221 end of rod piece smooth section are provided with anti-slip rubber.Increase end and receive the frictional force of stick inside pipe wall, so that baffle 21 is more
Add firm.
Further, as shown in Figure 1, in one embodiment of the utility model, stick pipe 1 is received close to cutting member one end
A notch 13 is provided on tube wall, cutting member 3 is arranged above notch 13.It can further guarantee the cutting of cutting blade in this way
Position with receive the upper surface of stick pipe and flush, guarantee the accuracy of cutting.
Further, as shown in Figure 1, in one embodiment of the utility model, the other end of connecting rod 32 is connected with
Knob 33 is promoted, thread segment is set in connecting rod 32, button 33 is promoted to be threadedly coupled with connecting rod 32, knob is promoted by rotation
33 promote connecting rod 32 and the cutting blade 31 mobile to 1 direction of stick pipe is received.
The specifically used process of the utility model is given below:
First according to the length of pitman needed for measurement in art, long saddle 2 is adjusted, is cut so that receiving needed for stick pipe depth is
The length of the pitman 5 cut.Then the pitman of required cutting is put into and is received in stick pipe 1, when pitman 5 support receive stick 1 manage
When the baffle 21 of bottom, the length that 31 place plane of cutting blade is cut needed for being screws promote knob 33 at this time, makes to cut
Blade 31 compresses the pitman cut and screws propulsion knob repeatedly by entire cutter using pitman as center of circle circumgyration incision
Until pitman cutting is completed.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way, it is same as long as it is without prejudice to the thought of the utility model
It should be considered as content disclosed in the utility model.
Claims (10)
1. a kind of pedicle screw pitman cutter device, which is characterized in that including receive stick pipe (1), adjust long saddle (2) and
Cutting member (3)；It is provided on the tube wall for receiving stick pipe (1) and receives the sliding slot (11) that stick pipe axially arranges along described, the sliding slot
(11) with receive stick pipe (1) pipe in perforation；Described to adjust the setting of long saddle (2) one end to receive stick pipe (1) pipe outer, the other end, which passes through, receives stick
Sliding slot (11) setting on tube wall is being received in stick pipe pipe, described to adjust long saddle (2) sliding along the sliding slot (11) received on stick tube wall
It is dynamic；The cutting member (3) is connected to by a connection piece (4) and receives stick pipe (1) oblique upper, so that the cutter device integrally can be with
It receives and rotates centered on stick pipe (1)；The cutting member (3) can move back and forth towards described stick pipe (1) direction of receiving.
2. pedicle screw pitman cutter device as described in claim 1, which is characterized in that described to adjust long saddle (2)
Including baffle (21) and handle (22), the baffle (21) setting is being received in stick pipe (1) tube body, and the handle (22) is connected to gear
On plate (21), the handle (22) stays in across sliding slot (11) to be received outside stick pipe (1) pipe.
3. pedicle screw pitman cutter device as claimed in claim 2, which is characterized in that opened in the baffle (21)
Equipped with along the hole that baffle radially penetrates through (211), the handle (22) is a rod piece, and the rod piece includes anti-slip section (221) and light
The smooth section (222) of sliding section (222), the rod piece is arranged in the hole (211), and rod piece can be slided back and forth in hole (211)
It is dynamic；The end of the rod piece smooth section (222) is supported when receiving on stick inside pipe wall, and the anti-slip section (221) of the rod piece, which is located at, to be slided
In slot (11).
4. pedicle screw pitman cutter device as claimed in claim 3, which is characterized in that the anti-slip section (221)
On be enclosed with anti-slip rubber, rod piece smooth section (222) end is provided with anti-slip rubber.
5. pedicle screw pitman cutter device as claimed in claim 2, which is characterized in that the baffle (21) is circle
Shape plate, the diameter of circular plate with receive the internal diameter of stick pipe (1) and match, the circular plate can be along receiving the sliding of stick pipe (1) inner wall.
6. pedicle screw pitman cutter device as described in claim 1, which is characterized in that cutting member (3) packet
Cutting blade (31) and connecting rod (32) are included, the connecting rod (32) is fixed on connector (4), the cutting blade (31)
Be arranged in connecting rod (32) close to receiving the end of stick pipe (1), the cut surface of the cutting blade (31) with receive the upper table of stick pipe (1)
Face flushes.
7. pedicle screw pitman cutter device as claimed in claim 6, which is characterized in that the connecting rod (32)
The other end, which is connected with, promotes knob (33), and thread segment, the propulsion knob (33) and connecting rod is arranged on the connecting rod (32)
(32) be threadedly coupled, by rotation promote knob (33) come promote connecting rod (32) and cutting blade (31) to receive stick pipe (1) just
To movement.
8. pedicle screw pitman cutter device as claimed in claim 6, which is characterized in that the stick pipe (1) of receiving leans on
It is provided with a notch (13) on the tube wall of nearly cutting member one end, cutting member (3) setting is above the notch (13).
9. pedicle screw pitman cutter device as described in claim 1, which is characterized in that sliding slot (11) trough rim
On be provided with for identifying the scale (12) for adjusting long saddle position.
10. pedicle screw pitman cutter device as described in claim 1, which is characterized in that the connector (4) is
Annular element, described annular element one end, which is fixed on, to be received on stick pipe (1) tube wall, and the other end of annular element is fixed with the cutting member (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820409855.3U CN209059405U (en) | 2018-03-26 | 2018-03-26 | A kind of pedicle screw pitman cutter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820409855.3U CN209059405U (en) | 2018-03-26 | 2018-03-26 | A kind of pedicle screw pitman cutter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209059405U true CN209059405U (en) | 2019-07-05 |
Family
ID=67088148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820409855.3U Expired - Fee Related CN209059405U (en) | 2018-03-26 | 2018-03-26 | A kind of pedicle screw pitman cutter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209059405U (en) |
-
2018
- 2018-03-26 CN CN201820409855.3U patent/CN209059405U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190705 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |