CN205924112U - Backbone chest lumbar vertebrae posterior approach operation pincers - Google Patents
Backbone chest lumbar vertebrae posterior approach operation pincers Download PDFInfo
- Publication number
- CN205924112U CN205924112U CN201620701471.XU CN201620701471U CN205924112U CN 205924112 U CN205924112 U CN 205924112U CN 201620701471 U CN201620701471 U CN 201620701471U CN 205924112 U CN205924112 U CN 205924112U
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- China
- Prior art keywords
- caliper
- sleeve pipe
- pincers
- thoracic
- spinal column
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- 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.)
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Abstract
The utility model relates to a backbone chest lumbar vertebrae posterior approach operation pincers, a backbone chest lumbar vertebrae posterior approach operation pincers, including the first pincers bodies and the second pincers body, the first pincers body is articulated each other with the middle part of the second pincers body, and it is movable relatively that the hinged end can be followed to the first pincers body and the second pincers body, and the first pincers body and the second pincers of hinged end front side constitute jaw portion between personally experiencing sth. Part of the body, and first pincers are personally experienced sth. Part of the body and the second clamps and is equipped with the sliding tray on the jaw portion's that personally experiences sth. Part of the body the lateral surface, slide in the sliding tray and be equipped with the base block, rotate on the base block and be equipped with leading part, the last sleeve pipe that is connected with of leading part, the inside cavity of sheathed tube, sheathed tube outside terminal surface is connected with leading part, and the sleeve pipe can and produce axial displacement for leading part circumferential direction. This pliers possesses to become to strut, pressurization, the three effect of twisting resistance, places easily in the art, and can combine closely with the nail stick, and is fixed firm.
Description
Technical field
This utility model is related to a kind of spinal column thoracic and lumbar vertebral posterior operating forcepies, is mainly used in the lumbar vertebra compression fracture way of escape and cuts again
Position, vertebral internal fixation, lumbar spinal stenosises posterior decompression, intervertebral fusion, vertebral internal fixation, Thoracolumbar disk slips the way of escape and cuts again
Position, intervertebral fusion, vertebral internal fixation etc..
Background technology
The diseases such as lumbar vertebra compression fracture, lumbar spinal stenosiss, lumbar spondylolisthesiss are commonly encountered diseases and frequently-occurring disease clinically, disease
Development to a certain extent, generally requires row operative treatment, and is clinically opened up the most extensive at present with way of escape opening operation.Spinal column at present
Posterior approach is fixed, and typically adopts pedicle screw system more.Wherein lumbar vertebra compression fracture way of escape open reduction, vertebral internal fixation
Art needing reset with reference to apparatus by Postural reduction and completing lumbar vertebra compression fracture reset, lumbar spinal stenosises posterior decompression, intervertebral melt
Close, vertebral internal fixation and Thoracolumbar disk slippage way of escape open reduction, intervertebral fusion, vertebral internal fixation need by apparatus in art
Complete intervertebral pulling, to place Invasive lumbar fusion device, needing after inserting Invasive lumbar fusion device to complete intervertebral pressurization again by apparatus and resisting
Torque locking nut.
At present, the reduction of the fracture, intervertebral pulling are clinically typically completed by single distraction forcep, single pressurized clamp comes
Complete intervertebral pressurization, single twisting resistance sleeve is completing twisting resistance.And single distraction forcep, pressurized clamp, twisting resistance sleeve
Exist in use and insert difficulty it is impossible to stretch into the excellent junction of nail, strut, shortcoming that pressure process easily gets loose.This is accomplished by
It is simple that one kind has placement in use, combines closely with nail rod, fixed spinal column thoracic and lumbar vertebral posterior operating forcepies, comes
Complete to strut between the reduction of the fracture, vertebral body, pressurize and twisting resistance lock nut, make operation technique easy, shorten operating time.
Content of the invention
In order to solve the above problems, the purpose of this utility model is to provide a kind of spinal column thoracic and lumbar vertebral posterior operating forcepies, should
Pliers possess into strut, pressurize, twisting resistance three effect, be easily placed in art, and can combine closely with nail rod, fixed.
In order to realize above-mentioned purpose, this utility model employs following technical scheme：
A kind of spinal column thoracic and lumbar vertebral posterior operating forcepies, including the first caliper and the second caliper, the first caliper and the second caliper
Middle part is hinged, and the first caliper and the second caliper can the first calipers and second along hinged end relative motion, on front side of hinged end
Constitute nip part between caliper, between the first caliper on rear side of hinged end and the second caliper, constitute clamp handle portion；In described clamp handle portion
The first caliper on be hinged with tooth plate, the second caliper in clamp handle portion is provided with clamp handle mouth and extension spring, and tooth plate movable end passes through
The clamp handle mouth of the second caliper, extension spring is located by connecting tooth plate make tooth plate mutually ratcheting with the clamp handle mouth of the second caliper；
The nip part of described first caliper and the second caliper all includes horizontal segment, arcuate guide section and vertical closing in successively
Section；The lateral surface of the nip part of the first caliper and the second caliper is provided with and sequentially passes through horizontal segment, arcuate guide section and vertical receipts
The sliding tray of mouth section；Slide in described sliding tray and be provided with matrix, matrix rotates and is provided with guiding parts, guiding parts is connected with
Sleeve pipe；The inner hollow of described sleeve pipe, the end face outside of sleeve pipe is connected with guiding parts, and sleeve pipe can be with respect to guiding parts
Circumferentially rotate and produce axial displacement.
Preferably, the end face outside of described sleeve pipe is provided with screw thread shape chute, guiding parts is to be slidably arranged in screw thread
Slide block in shape chute.In said structure, the motion that sleeve pipe is with respect to guiding parts is realized by slide block and screw thread shape chute；Tool
Body ground, when surgical staff turns sleeve pipe by external tool, sleeve pipe is with respect to guiding parts（I.e. slide block）Circumference is mobile, and with
Screw thread shape chute is the displacement that guiding is realized in axial direction；Thus can realize with caliper for positioning in art, sleeve pipe is put with nail rod
Enter art.
Preferably, if also circumferential rule is provided with the main wing in the end face outside of described sleeve pipe, the pipe wing includes wing seat, and
It is hinged on the wing bar on wing seat；Described wing bar can rotate between sleeve pipe radial direction and sleeve pipe axial direction along hinged end.
Under said structure, the Guan Yike of outside of sleeve passes through the adjustment that upset is launched or received；As needed to use pliers in art
Pressurization, expanding structure when, Guan Yi can be stored；During as needed in art using sleeve pipe, then the pipe span can be opened, convenient
Instrument is fixed with sleeve circumferential, is easy to surgical staff and easily turns sleeve pipe.
Preferably, described screw thread shape chute offers in the end face outside of Guan Yi sleeve pipe axially below, screw thread shape is slided
Groove end non-close, slide block can depart from therewith in screw thread shape chute end.As described above, the setting of Guan Yi is for connecting
Instrument, this instrument is used for drive sleeve and rotates；In operation, just it is connected with instrument after needing locating sleeve；Therefore with this instrument week
Should be at the top of screw thread shape guide part to the Guan Yi of clamping, perform the operation quick use, dismounting are easy to this；And said structure
In, slide block and sleeve pipe can be realized departing from rotation process, and what it embodied is occupation mode is first by caliper, sleeve pipe to be carried out
Positioning, then by instrument rotating casing, the nail rod of sleeve pipe and inside is rotated into patient under the auxiliary of caliper to surgical staff
In vivo, after extending partially in the patient, sleeve pipe direction positioning can be departed from caliper, facilitates follow-up further operation technique.
Preferably, constituting locating fastener structure between the upper axial end opening of described sleeve pipe and lower axial end opening；Should
Structure is to be socketed for realizing head and the tail between two sleeve pipes, realizes being applied in combination of sleeve pipe, is easy to the possible period of want or need in art；As patient
Build is partially fat, when single sleeve pipe cannot realize implantation.
Preferably, circumferential rule has some positioning convex strips, convex on the lateral surface in described sleeve pipe lower axial end portion
Bar is axially arranged along sleeve pipe；On the medial surface of sleeve pipe axial direction upper end, circumferential rule has the locating slot matching with positioning convex strip.
Be can achieve by said structure circumferentially positioned between two sleeve pipes, when preventing operation from inserting, between the sleeve pipe of two sockets, occur week
To displacement.
Preferably, circumferential rule has several positioning convex, convex on the lateral surface in described sleeve pipe lower axial end portion
Playing section is in circular arc；On the medial surface of sleeve pipe axial direction upper end, circumferential rule has the location hole matching with positioning convex.Should
Structure can achieve the axially position between two sleeve pipes, prevents axial play between two sleeve pipes.
Preferably, described guiding parts is the swivel nut of inner hollow, described sleeve pipe is located in swivel nut and screw thread therewith
Connect.The swivel nut of the guiding parts that this structure adopts, more stable by swivel nut locating sleeve, prevent from loosening and skew.
This utility model adopts technique scheme, and this operating forceps applies in the operation of spinal column thoracic and lumbar vertebral posterior, and pliers has
Standby one-tenth struts, pressurizes, three effects of twisting resistance, is easily placed in art, and can combine closely with nail rod, fixed.Specifically,
This operating forceps includes the first caliper and the second caliper, and the first caliper and the second caliper are hinged；First caliper and the second caliper
Nip part on be movably equipped with matrix, matrix is connected with sleeve pipe by guiding parts；In said structure, the first caliper and second
So as to possessing pressurization and strutting function, sleeve pipe has the twisting resistance function of locating pin rod to the relative motion of caliper.Needing to use
When pressurizeing and strutting function, matrix can be slid into horizontal segment, sleeve pipe is in outside nip part, be easy to the operation of nip part；When
Need the twisting resistance function using sleeve, matrix can be slid into vertical closing in section, sleeve pipe is vertically arranged, the first caliper and second
Sleeve pipe on caliper is mutually accurately aligned；Under this structure, inside pipe casing is used for inserting nail rod, turns sleeve pipe, sleeve pipe by external force
And the nail rod of inside is rotated in the patient, being easy to operation technique positioning under the auxiliary of caliper.
Brief description
Fig. 1 is the structural representation of embodiment one.
Fig. 2 is the structural representation of sleeve pipe.
Fig. 3 is the structural representation of embodiment two.
Specific embodiment
Below in conjunction with the accompanying drawings, preferred embodiment of the present utility model is described in further detail.
Embodiment one：
A kind of spinal column thoracic and lumbar vertebral posterior operating forcepies as shown in Fig. 1 ~ Fig. 2, including the first caliper 11 and the second caliper 12, the
The middle part of one caliper 11 and the second caliper 12 is hinged, the first caliper 11 and the second caliper 12 can along hinged end relative motion,
Nip part 13, the first caliper 11 on rear side of hinged end and the is constituted between the first caliper 11 on front side of hinged end and the second caliper 12
Clamp handle portion 14 is constituted between two calipers 12.It is hinged with tooth plate 15, in clamp handle portion 14 on the first caliper 11 in described clamp handle portion 14
The second caliper 12 be provided with clamp handle mouth and extension spring 16, tooth plate 15 movable end pass through the second caliper 12 clamp handle mouth, extension spring 16
Be located by connecting tooth plate 15 make tooth plate 15 mutually ratcheting with the clamp handle mouth of the second caliper 12.
The nip part 13 of described first caliper 11 and the second caliper 12 all includes horizontal segment 21, arcuate guide section 22 and successively
Vertically closing in section 23；The lateral surface of the nip part 13 of the first caliper 11 and the second caliper 12 be provided with sequentially pass through horizontal segment 21,
Arcuate guide section 22 and the sliding tray 24 of vertical closing in section 23；Slide in described sliding tray 24 and be provided with matrix 25, matrix 25 turns
Move and be provided with guiding parts, guiding parts is connected with sleeve pipe 3；The inner hollow of described sleeve pipe 3, the end face outside of sleeve pipe 3 with lead
It is connected to part, sleeve pipe 3 can circumferentially rotate with respect to guiding parts and produce axial displacement.
Specifically, if also circumferential rule is provided with the main wing 31 in the end face outside of described sleeve pipe 3, the pipe wing 31 includes wing seat
31a, and it is hinged on the wing bar 31b on wing seat 31a.Described wing bar 31b can be along hinged end in sleeve pipe 3 radial direction and sleeve pipe
Rotate between 3 axial directions.The end face outside of the described pipe wing 31 sleeve pipe 3 axially below is provided with screw thread shape chute 32, screw thread
Shape chute 32 end non-close, guiding parts is the slide block 26 being slidably arranged in screw thread shape chute 32, and slide block 26 can be in spiral shell
Stricture of vagina shape chute 32 end departs from therewith.Under said structure, the pipe wing 31 in sleeve pipe 3 outside can be launched by upset or be received
Adjustment；During as needed pressurization using pliers, expanding structure in art, the pipe wing 31 can be stored；As needed to make in art
During with sleeve pipe 3, then the pipe wing 31 can be launched, facilitate instrument circumferentially fixed with sleeve pipe 3, be easy to surgical staff and easily turn sleeve pipe 3.
Need the step using sleeve pipe 3 as follows in art：
The first step；Matrix 25 is moved to vertical closing in section 23 along sliding tray 24, and makes set by rotating guiding parts
Pipe 3 is vertically arranged.
Second step；Two sleeve pipes 3 on first caliper 11 and the second caliper 12 are needed be aligned operation to insert a little according to operation,
Caliper carries out auxiliary positioning to it.
3rd step；Nail rod will be inserted inside sleeve pipe 3, the pipe wing 31 on sleeve pipe 3 launches, and connect external tool thereon
（As box spanner）, make external tool circumferentially positioned with sleeve pipe 3；Surgical staff passes through instrument rotating casing 3, sleeve pipe 3 and inside
Nail rod be rotated in the patient under the auxiliary of caliper.
4th step；In sleeve pipe 3 rotation process, threadingly shape chute 32 is mobile for slide block 26, and in screw thread shape chute 32 end
Depart from therewith, now sleeve pipe 3 direction positioning, caliper is departed from sleeve pipe 3, and medical personnel can use lower clamp.
5th step；Staff can operate to sleeve pipe 3, until completing implantation.
When using sleeve pipe 3, caliper carries out auxiliary positioning to sleeve pipe 3 to above-mentioned operating forcepies, and sleeve pipe 3 is with respect to guiding parts
（I.e. slide block 26）Circumference is mobile, and realizes the displacement in axial direction with screw thread shape chute 32 for guiding, completes sleeve pipe 3 and excellent the putting of nail
Enter art；Have and be easy to operation technique, shorten the advantage of operating time.
In addition, in order to deal with the possible period of want or need in art；As patient size is partially fat, when single sleeve pipe 3 cannot realize implantation.
Locating fastener structure is constituted between the upper axial end opening of described sleeve pipe 3 and lower axial end opening；This structure is for two sleeve pipes 3
Between realize head and the tail be socketed, realize being applied in combination of sleeve pipe 3.Specifically, circumference rule on the lateral surface in sleeve pipe 3 lower axial end portion
There are some positioning convex strips 33 and several positioning convex 34, positioning convex strip 33 is axially arranged along sleeve pipe 3, positioning convex 34 section
In circular arc；On the medial surface in sleeve pipe 3 upper axial end portion, circumferential rule has the locating slot matching with positioning convex strip 33, Yi Jiyu
The location hole that positioning convex 34 matches.In said structure, positioning convex strip 33 and locating slot cooperation can achieve between two sleeve pipes 3
Circumferentially positioned, when preventing operation from inserting, occur circumferentially displaced between the sleeve pipe 3 of two sockets.Positioning convex 34 and location hole cooperation
Can achieve the axially position between two sleeve pipes 3, prevent axial play between two sleeve pipes 3.
Embodiment two：
As shown in figure 3, the program is the another embodiment of operating forcepies, in the program, operating forcepies include the first caliper 11
With the second caliper 12, the middle part of the first caliper 11 and the second caliper 12 is hinged, and the first caliper 11 and the second caliper 12 can edges
Hinged end relative motion, constitutes nip part 13 between the first caliper 11 on front side of hinged end and the second caliper 12, on rear side of hinged end
The first caliper 11 and the second caliper 12 between constitute clamp handle portion 14；Hinged with teeth on the first caliper 11 in described clamp handle portion 14
Plate 15, the second caliper 12 in clamp handle portion 14 is provided with clamp handle mouth and extension spring 16, and tooth plate 15 movable end passes through the second caliper 12
Clamp handle mouth, extension spring 16 is located by connecting tooth plate 15 make tooth plate 15 mutually ratcheting with the clamp handle mouth of the second caliper 12.
The nip part 13 of described first caliper 11 and the second caliper 12 all includes horizontal segment 21, arcuate guide section 22 and successively
Vertically closing in section 23；The lateral surface of the nip part 13 of the first caliper 11 and the second caliper 12 be provided with sequentially pass through horizontal segment 21,
Arcuate guide section 22 and the sliding tray 24 of vertical closing in section 23；Slide in described sliding tray 24 and be provided with matrix 25, matrix 25 turns
Move and be provided with guiding parts, guiding parts is connected with sleeve pipe 3；The inner hollow of described sleeve pipe 3, the end face outside of sleeve pipe 3 with lead
It is connected to part, sleeve pipe 3 can circumferentially rotate with respect to guiding parts and produce axial displacement.Described guiding parts is inside
The swivel nut 27 of hollow, described sleeve pipe 3 is located in swivel nut 27 and threaded therewith.The swivel nut of the guiding parts that this structure adopts
27, more stable by swivel nut 27 locating sleeve 3, prevent from loosening and skew.
Summary：
Two kinds of embodiments of summary, this operating forceps applies in the operation of spinal column thoracic and lumbar vertebral posterior, and pliers possesses into support
Open, pressurize, twisting resistance three acts on, being easily placed in art, and can combine closely with nail rod, fixed.Specifically, this operation
Pincers include the first caliper 11 and the second caliper 12, and the first caliper 11 and the second caliper 12 are hinged；First caliper 11 and second
Matrix 25 is movably equipped with the nip part 13 of caliper 12, matrix 25 is connected with sleeve pipe 3 by guiding parts；In said structure,
So as to possessing pressurization and strutting function, sleeve pipe 3 has the anti-of locating pin rod to the relative motion of the first caliper 11 and the second caliper 12
Torsion function.When needing using pressurization and strutting function, matrix 25 can be slid into horizontal segment 21, sleeve pipe 3 is in nip part
Outside 13, it is easy to the operation of nip part 13；When needing the twisting resistance function using sleeve, matrix 25 can be slid into vertical closing in
Section 23, sleeve pipe 3 is vertically arranged, and the sleeve pipe 3 on the first caliper 11 and the second caliper 12 is mutually accurately aligned；Under this structure, sleeve pipe 3
Inside is used for inserting nail rod, turns sleeve pipe 3 by external force, and the nail rod of sleeve pipe 3 and inside is rotated into suffering under the auxiliary of caliper
In person's body, it is easy to operation technique positioning.
Claims (8)
1. a kind of spinal column thoracic and lumbar vertebral posterior operating forcepies it is characterised in that：Including the first caliper and the second caliper, the first caliper and
The middle part of two calipers is hinged, and the first caliper and the second caliper can be along hinged end relative motion, and on front side of hinged end first clamps
Constitute nip part between body and the second caliper, between the first caliper on rear side of hinged end and the second caliper, constitute clamp handle portion；Described
Tooth plate is hinged with the first caliper in clamp handle portion, the second caliper in clamp handle portion is provided with clamp handle mouth and extension spring, tooth plate activity
End passes through the clamp handle mouth of the second caliper, and extension spring is located by connecting tooth plate make tooth plate mutually ratcheting with the clamp handle mouth of the second caliper；
The nip part of described first caliper and the second caliper all includes horizontal segment, arcuate guide section and vertical closing in section successively；The
The lateral surface of the nip part of one caliper and the second caliper is provided with and sequentially passes through horizontal segment, arcuate guide section and vertical closing in section
Sliding tray；Slide in described sliding tray and be provided with matrix, matrix rotates and is provided with guiding parts, guiding parts is connected with sleeve pipe；
The inner hollow of described sleeve pipe, the end face outside of sleeve pipe is connected with guiding parts, and sleeve pipe can be with respect to guiding parts circumference
Rotate and produce axial displacement.
2. a kind of spinal column thoracic and lumbar vertebral posterior operating forcepies according to claim 1 it is characterised in that：The outboard end of described sleeve pipe
Face is provided with screw thread shape chute, and guiding parts is the slide block being slidably arranged in screw thread shape chute.
3. a kind of spinal column thoracic and lumbar vertebral posterior operating forcepies according to claim 2 it is characterised in that：The outboard end of described sleeve pipe
If also circumferential rule is provided with the main wing on face, the pipe wing includes wing seat, and is hinged on the wing bar on wing seat；Described wing bar being capable of edge
Hinged end rotates between sleeve pipe radial direction and sleeve pipe axial direction.
4. a kind of spinal column thoracic and lumbar vertebral posterior operating forcepies according to claim 3 it is characterised in that：Described screw thread shape chute is opened
It is provided with the end face outside of Guan Yi sleeve pipe axially below, screw thread shape chute end non-close, slide block can be in screw thread shape chute
End departs from therewith.
5. a kind of spinal column thoracic and lumbar vertebral posterior operating forcepies according to claim 1 or 4 it is characterised in that：The axle of described sleeve pipe
To composition locating fastener structure between upper end open and lower axial end opening.
6. a kind of spinal column thoracic and lumbar vertebral posterior operating forcepies according to claim 5 it is characterised in that：Described sleeve pipe lower axial end
On the lateral surface in portion, circumferential rule has some positioning convex strips, and positioning convex strip is axially arranged along sleeve pipe；Sleeve pipe axial direction upper end
On medial surface, circumferential rule has the locating slot matching with positioning convex strip.
7. a kind of spinal column thoracic and lumbar vertebral posterior operating forcepies according to claim 6 it is characterised in that：Described sleeve pipe lower axial end
On the lateral surface in portion, circumferential rule has several positioning convex, and positioning convex section is in circular arc；Sleeve pipe axial direction upper end interior
On side, circumferential rule has the location hole matching with positioning convex.
8. a kind of spinal column thoracic and lumbar vertebral posterior operating forcepies according to claim 1 it is characterised in that：Described guiding parts is interior
The swivel nut of portion's hollow, described sleeve pipe is located in swivel nut and threaded therewith.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620701471.XU CN205924112U (en) | 2016-06-29 | 2016-06-29 | Backbone chest lumbar vertebrae posterior approach operation pincers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620701471.XU CN205924112U (en) | 2016-06-29 | 2016-06-29 | Backbone chest lumbar vertebrae posterior approach operation pincers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205924112U true CN205924112U (en) | 2017-02-08 |
Family
ID=57927955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620701471.XU Expired - Fee Related CN205924112U (en) | 2016-06-29 | 2016-06-29 | Backbone chest lumbar vertebrae posterior approach operation pincers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205924112U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105997192A (en) * | 2016-06-29 | 2016-10-12 | 丽水市中心医院 | Thoracispinal posterior lumbar operating forceps |
-
2016
- 2016-06-29 CN CN201620701471.XU patent/CN205924112U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105997192A (en) * | 2016-06-29 | 2016-10-12 | 丽水市中心医院 | Thoracispinal posterior lumbar operating forceps |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20170629 |
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| CF01 | Termination of patent right due to non-payment of annual fee |