CN208511148U - Full spinal pedicle abutment sleeve - Google Patents
Full spinal pedicle abutment sleeve Download PDFInfo
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- CN208511148U CN208511148U CN201721060814.XU CN201721060814U CN208511148U CN 208511148 U CN208511148 U CN 208511148U CN 201721060814 U CN201721060814 U CN 201721060814U CN 208511148 U CN208511148 U CN 208511148U
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- positioning
- parallactic angle
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Abstract
The utility model relates to a kind of full spinal pedicle abutment sleeves, including pilot sleeve, horizontal parallactic angle positioning dial disc, two-way positioning vernier and multifunctional positioning piece, dial is arc-shaped, it is overlapped fixed on the pilot sleeve and center of circle with pilot sleeve entry point, two-way positioning vernier is L-shaped, along being arranged radially for dial, two-way positioning vernier is connected with dial and multifunctional positioning piece respectively, multifunctional positioning piece is T-shaped and can indicate level, the end that multifunctional positioning piece is connected with two-way positioning vernier indicates sagittal parallactic angle location graduation, two-way positioning vernier can be slided along dial to carry out positioning and can rotate along multifunctional positioning piece to position sagittal parallactic angle to horizontal parallactic angle, two-way positioning vernier is vertical with the plane of rotation along multifunctional positioning piece along the sliding of dial.The three-dimensional that the utility model can be implanted into pedicle screw quantifies, and avoids spinal segments limitation and anatomical structure limitation, guarantees the accuracy of pedicle screw implantation positioning.
Description
Technical field
The utility model belongs to the technical field of pedicle screw implant surgery medical assistance instrument, more particularly to one kind
Full spinal pedicle abutment sleeve.
Background technique
Pedicle screw (pedicle screw, PS) technology has been quickly grown since the eighties in last century comes out, extensively
It is general to be applied to the illness such as backbone retrogression, centrum olisthe, spinal canal stenosis, vertebral fracture, deformity, metastatic tumor of bone, spinal instability
Operative treatment.
Currently, most of hospitals still use traditional method for implantation, it is slowly implanted into pedicle screw with the feel of operator,
Or first insertion guide pin shooting X-ray film judge position after, then row implantation, due to do not have quantization pedicle of vertebral arch sagittal parallactic angle (SSA)
It is difficult to be accurately positioned with the implantation direction of horizontal parallactic angle (TSA), pedicle screw, such as pedicle screw occurs and wear out vertebral arch
The generation of root, centrum, the complication such as damage blood vessel, spinal cord, nerve root, these complication is on the one hand related with operator's operation,
On the other hand also that there are individual differences is related with vertebral arch Root-knot index.
Currently, usually there is the deficiency of the following aspects in related pedicle screw implantation guiding device patent: first, it fits
With backbone there are segment limitation and anatomical structure limitation, existing pedicle screw implantation guiding device is suitable for the chest of backbone more
, there is the limitation for being not suitable for full backbone in section or waist section；Second, the angle of pedicle of vertebral arch axis and vertebral sagittal is only accounted for,
Namely the positioning in only single plane direction, can not the three-dimensional to screw placement accurately positioned；Third, guiding dress
The angular adjustment operation convenience set is poor, and positioning difficulty is big, not very practical.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of full spinal pedicle abutment sleeves, can be to vertebral arch
The three-dimensional of root screw placement is quantified, and spinal segments limitation and anatomical structure limitation are avoided, and guarantees that pedicle screw is planted
Enter the accuracy of positioning.
Technical solution adopted by the utility model to solve its technical problems is provide a kind of full spinal pedicle positioning sleeve
Cylinder, including pilot sleeve, horizontal parallactic angle positioning dial disc, two-way positioning vernier and multifunctional positioning piece, the horizontal parallactic angle are fixed
Position dial is arc-shaped, fixed on the pilot sleeve and center of circle of horizontal parallactic angle positioning dial disc circular arc and pilot sleeve inserting needle
Point is overlapped, and the two-way positioning vernier is integrally L-shaped, being arranged radially along horizontal parallactic angle positioning dial disc, the two-way positioning
Vernier one end is connected with horizontal parallactic angle positioning dial disc slidable connection, the other end with multifunctional positioning piece, described multi-functional fixed
Position part is T-shaped and can indicate level, and the end that the multifunctional positioning piece is connected with two-way positioning vernier indicates sagittal parallactic angle
Location graduation, the two-way positioning vernier can be slided along horizontal parallactic angle positioning dial disc position to horizontal parallactic angle and can
Sagittal parallactic angle is positioned along multifunctional positioning piece rotation, cunning of the two-way positioning vernier along horizontal parallactic angle positioning dial disc
It is dynamic vertical with the plane of rotation along multifunctional positioning piece.
The multifunctional positioning piece includes that orthogonal first level indicates circle handle and the second horizontal instruction circle handle, described
First level indicates that circle handle one end is connected with two-way positioning vernier, the other end and the second horizontal instruction circle handle are fixed into plane.
The first level indicates that circle handle and the second horizontal instruction circle handle have spherical groove, the first level instruction
The first identifier section of instruction level, the described second horizontal ball for indicating circle handle are indicated in the spherical groove of circle handle equipped with ball, notch
The second identifier section of instruction level is indicated in shape slot equipped with ball, notch.
The first level indicates that circle handle indicates entry point auxiliary positioning scale along its length, and the entry point auxiliary is fixed
The zeromark of position scale is located at the connecting pin with two-way positioning vernier.
The other end of the two-way positioning vernier is rotatably nested in first level and indicates inside circle handle, the first level
Indicate that the circle handle end nested with two-way positioning vernier circumferentially indicates sagittal parallactic angle location graduation.
The zeromark of the multifunctional positioning piece sagittal parallactic angle location graduation when in a horizontal state is located at first level
Indicate circle handle circumference top position, the sagittal parallactic angle location graduation indicates the two sides circumferentially mirror of circle handle circumference top position in first level
It is corresponding on the two-way positioning vernier to indicate rotation angle index line as setting.
The end that the multifunctional positioning piece is connected with two-way positioning vernier is equipped with locking mechanism.
The two-way positioning vernier is equipped with nested hole, the horizontal parallactic angle with one end that horizontal parallactic angle positioning dial disc assembles
Positioning dial disc passes through nested hole and two-way positioning vernier is slideably nested.
The assembly side of the two-way positioning vernier and horizontal parallactic angle positioning dial disc is equipped with locking mechanism.
The zeromark of the horizontal parallactic angle positioning dial disc is located at the fixing end with pilot sleeve, and the horizontal parallactic angle is fixed
The maximum scale of position dial is 60 °.
Beneficial effect
First, the utility model is slided along horizontal parallactic angle positioning dial disc by two-way positioning vernier and is carried out to horizontal parallactic angle
Positioning positions sagittal parallactic angle along multifunctional positioning piece rotation by two-way positioning vernier, can plant to pedicle screw
The three-dimensional entered is quantified, the horizontal parallactic angle and sagittal parallactic angle measured in conjunction with scan rebuilding of the Clinical CT to spinal segments
Degree positioned, guarantee pedicle screw implantation positioning accuracy.
Second, the utility model can not only be applied to natural spine, be applied to the second horizontal instruction circle when natural spine
Handle is parallel to the prominent line of ridge, and the space three-dimensional angle progress of the cervical part of esophagus, chest section and waist section of backbone can be implanted into pedicle screw
It is accurately positioned, is not limited by segment；The utility model can also be applied to the implantation of lopsided curved spine pedicle screw, to abnormal
When shape curved sections are positioned, by second it is horizontal indicate that circle handle is adjusted to parallel with curved ridges line tangential direction of dashing forward, can
The positioning to each pedicles of vertebrae screw placement of lopsided curved sections direction is completed, is not limited, is avoided by the anatomical structure of backbone
Individuation difference.
Third, the cross section orientation angle and sagittal plane orientation angle of the utility model are to be swept according to CT to spinal segments
It retouches what the degree of horizontal parallactic angle and sagittal parallactic angle rebuild and measured was adjusted, and can lock, so that angular adjustment
It can be operated independently of patient, be positioned using the two-way horizontal of multifunctional positioning piece and pilot sleeve bottom end is navigated into disease
The positioning to pedicle screw implantation direction can be realized in the entry point for suffering from body, facilitates clinical use, separately adjustable not influence
The progress of surgical procedure is conducive to shorten operating time.
4th, in the present invention, first level indicates that circle handle indicates entry point auxiliary positioning scale along its length,
Using the entry point measured to the vertical range between sagittal plane, and can assist performing the operation by entry point auxiliary positioning scale
Person finds entry point, acts on obviously particularly with the auxiliary positioning of neck, chest section entry point.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of the utility model.
Fig. 2 is the structural schematic diagram of the utility model multifunctional positioning piece.
Fig. 3 is the structural schematic diagram of the utility model multifunctional positioning piece and two-way positioning vernier junction.
Specific embodiment
The present invention will be further illustrated below in conjunction with specific embodiments.It should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model.In addition, it should also be understood that, in the content for having read the utility model instruction
Later, those skilled in the art can make various changes or modifications the utility model, and such equivalent forms equally fall within this Shen
It please the appended claims limited range.
A kind of full spinal pedicle abutment sleeve as shown in Figure 1, is made of stainless steel, including pilot sleeve 1, water
Prosposition angle positioning dial disc 2, two-way positioning vernier 3 and multifunctional positioning piece 4.
Horizontal parallactic angle positioning dial disc 2 is arc-shaped, and surface indicates the scale for the positioning of horizontal parallactic angle, horizontal parallactic angle
Positioning dial disc 2 is fixed on pilot sleeve 1, the center of circle of horizontal 2 circular arc of parallactic angle positioning dial disc and 1 bottom end of pilot sleeve into
Pin mark is overlapped.The zeromark of horizontal parallactic angle positioning dial disc 2 is located at the fixing end with pilot sleeve 1, and horizontal parallactic angle positioning is carved
The meter full scale of scale 2 is 0~60 °.
Whole L-shaped, being arranged radially along horizontal parallactic angle positioning dial disc 2 of two-way positioning vernier 3.Two-way positioning vernier 3
Upper end be equipped with nested hole, horizontal parallactic angle positioning dial disc 2 passes through nested hole and two-way positioning vernier 3 is slideably accurate embedding
Set, two-way positioning vernier 3 can be slided along horizontal parallactic angle positioning dial disc 2 and be positioned to horizontal parallactic angle.Two-way positioning vernier 3
It is equipped with the first lock-screw 5 at upper nesting hole, after horizontal parallactic angle accurate positioning, by the first lock-screw 5 by two-way positioning
It is locked relative position between vernier 3 and horizontal parallactic angle positioning dial disc 2.
Multifunctional positioning piece 4 is T-shaped, including orthogonal first level indicates circle handle 401 and the second horizontal instruction circle
Handle 402, first level indicate that circle 401 one end of handle is connected with two-way positioning vernier 3, the other end and the second horizontal instruction circle handle 402
It is fixed into plane.First level indicates that circle handle 401 and the second horizontal instruction circle handle 402 have spherical groove, and first level refers to
Show the first identifier section 404 for indicating instruction level in the spherical groove of round handle 401 equipped with ball 403, notch, the second horizontal instruction circle
The second identifier section 405 of instruction level is indicated in the spherical groove of handle 402 equipped with ball 403, notch.Multifunctional positioning piece 4 makes
Guarantee it with it is still in respectively in first identifier section 404 and second identifier section 405 in the process by adjusting two balls 403
Position is horizontal.
The lower end of two-way positioning vernier 3 is rotationally nested in first level and indicates inside circle handle 401, accurate between the two
Assembly, first level indicate that circle handle 401 end nested with two-way positioning vernier 3 circumferentially indicates sagittal parallactic angle location graduation
407.The zeromark of the sagittal parallactic angle location graduation 407 when in a horizontal state of multifunctional positioning piece 4 is located at first level instruction
Circle 401 circumference top of handle position, sagittal parallactic angle location graduation 407 indicate the two sides of circle 401 circumference top of handle position circumferentially in first level
Mirror settings, the maximum scale of two sides are 90 °, corresponding on two-way positioning vernier 3 to indicate rotation angle index line 301.It is two-way
Positioning vernier 3 can be rotated along multifunctional positioning piece 4 and be positioned to sagittal parallactic angle, and two-way positioning vernier 3 is fixed along horizontal parallactic angle
The sliding surface of position dial 2 is vertical with the plane of rotation along multifunctional positioning piece 4.Multifunctional positioning piece 4 and two-way positioning vernier 3 fill
The end matched is equipped with the second lock-screw 6, by the second lock-screw 6 between two-way positioning vernier 3 and multifunctional positioning piece 4
Rotation angle locked.
First level indicates that circle handle 401 indicates entry point auxiliary positioning scale 406, entry point auxiliary positioning along its length
The zeromark of scale 406 is located at the connecting pin with two-way positioning vernier 3.In use, being swept by Clinical CT to spinal segments
Entry point can be measured to distance vertical between sagittal plane by retouching reconstruction, and the horizontal parallactic angle and sagittal parallactic angle of abutment sleeve adjust
After locking, keeps multifunctional positioning piece 4 horizontal, entry point is corresponded to according to distance between the CT entry point measured and sagittal plane
Auxiliary positioning scale 406, which, which is navigated to the prominent line of ridge, to carry out auxiliary positioning to entry point in patient, simultaneously
The entry point that can be found by rule of thumb with clinician is contrasted.
The full spinal pedicle abutment sleeve is when in use:
First before surgery using multi-layer spiral CT to perform the operation fixed needed for patient spinal segments carry out axial scan and
The recombination of more planars, three-dimensional reconstruction, measure horizontal parallactic angle (angle TSA) between screw placement direction and vertebral sagittal and
Sagittal parallactic angle (angle SSA) between screw placement direction and centrum cross section；
Then the angle between two-way positioning vernier 3 and pilot sleeve 1, the angle are adjusted according to the angle pedicle of vertebral arch TSA of measurement
Degree is reflected by 2 scale of sagittal parallactic angle positioning dial disc, and is locked by the first positioning screw 5；
Then the rotational angle of two-way positioning vernier 3 and multifunctional positioning piece 4 is adjusted according to the angle pedicle of vertebral arch SSA of measurement,
And it is locked by the second positioning screw 6；
It is open at pedicle of vertebral arch entry point using opener, entry point can be sought in advance according to the experience of clinician
It looks for, the pilot sleeve regulated is recycled to carry out auxiliary positioning according to method described above and contrast；
1 bottom end of pilot sleeve of abutment sleeve is navigated into entry point, horizontal indicates that circle handle 402 is adjusted to and ridge for second
Prominent line is parallel, adjusts multifunctional positioning piece to level using double balls, the direction of pilot sleeve 1 is inserting needle direction at this time；
Punching open circuit is carried out by the locating aperture that pilot sleeve 1 is aligned on pedicle of vertebral arch using open device, and utilizes probe
Depth sounding to open circuit hole depth reaches design length；
By pilot sleeve 1 enter screw tap open-circuit hole carry out female thread at；
It will be in the threaded hole of screw placement pedicle of vertebral arch by pilot sleeve 1.
Claims (10)
1. a kind of full spinal pedicle abutment sleeve, including pilot sleeve (1), horizontal parallactic angle positioning dial disc (2), two-way positioning
Vernier (3) and multifunctional positioning piece (4), it is characterised in that: the horizontal parallactic angle positioning dial disc (2) is arc-shaped, is fixed to
On pilot sleeve (1) and the center of circle of horizontal parallactic angle positioning dial disc (2) circular arc is overlapped with pilot sleeve (1) entry point, described double
To whole L-shaped, being arranged radially along horizontal parallactic angle positioning dial disc (2) of positioning vernier (3), the two-way positioning vernier (3)
One end is connected with horizontal parallactic angle positioning dial disc (2) slidable connection, the other end with multifunctional positioning piece (4), described multi-functional
Locating piece (4) is T-shaped and can indicate level, the end mark that the multifunctional positioning piece (4) is connected with two-way positioning vernier (3)
There is sagittal parallactic angle location graduation (407), the two-way positioning vernier (3) can be along the sliding pair of horizontal parallactic angle positioning dial disc (2)
Horizontal parallactic angle position and can rotate along multifunctional positioning piece (4) positioning sagittal parallactic angle, the two-way positioning trip
It is vertical with the plane of rotation along multifunctional positioning piece (4) along the sliding of horizontal parallactic angle positioning dial disc (2) to mark (3).
2. a kind of full spinal pedicle abutment sleeve according to claim 1, it is characterised in that: the multifunctional positioning piece
It (4) include that orthogonal first level indicates circle handle (401) and the second horizontal instruction circle handle (402), the first level refers to
Show that round handle (401) one end is connected with two-way positioning vernier (3), the other end and the second horizontal instruction circle handle (402) are fixed into plane.
3. a kind of full spinal pedicle abutment sleeve according to claim 2, it is characterised in that: the first level instruction
Circle handle (401) and the second horizontal instruction circle handle (402) have spherical groove, and the first level indicates the ball of circle handle (401)
The first identifier section (404) of instruction level, the described second horizontal instruction circle handle are indicated in shape slot equipped with ball (403), notch
(402) the second identifier section (405) of instruction level is indicated in spherical groove equipped with ball (403), notch.
4. a kind of full spinal pedicle abutment sleeve according to claim 2, it is characterised in that: the first level instruction
Circle handle (401) indicates entry point auxiliary positioning scale (406) along its length, the entry point auxiliary positioning scale (406)
Zeromark is located at the connecting pin with two-way positioning vernier (3).
5. a kind of full spinal pedicle abutment sleeve according to claim 2, it is characterised in that: the two-way positioning vernier
(3) the other end is rotatably nested in first level and indicates that circle handle (401) is internal, the first level indicate circle handle (401) with
The end of two-way positioning vernier (3) nesting circumferentially indicates sagittal parallactic angle location graduation (407).
6. a kind of full spinal pedicle abutment sleeve according to claim 5, it is characterised in that: the multifunctional positioning piece
(4) zeromark of sagittal parallactic angle location graduation (407) when in a horizontal state is located at first level instruction circle handle (401) circumference
Position is pushed up, the sagittal parallactic angle location graduation (407) indicates the two sides circumferentially mirror image of circle handle (401) circumference top position in first level
It is arranged, it is corresponding on the two-way positioning vernier (3) to indicate rotation angle index line (301).
7. a kind of full spinal pedicle abutment sleeve according to claim 1 or 5, it is characterised in that: described multi-functional fixed
The end that position part (4) is connected with two-way positioning vernier (3) is equipped with locking mechanism.
8. a kind of full spinal pedicle abutment sleeve according to claim 1, it is characterised in that: the two-way positioning vernier
(3) it is equipped with nested hole with one end of horizontal parallactic angle positioning dial disc (2) assembly, the horizontal parallactic angle positioning dial disc (2) passes through
Nested hole and two-way positioning vernier (3) are slideably nested.
9. a kind of full spinal pedicle abutment sleeve according to claim 1 or 8, it is characterised in that: the two-way positioning
The assembly side of vernier (3) and horizontal parallactic angle positioning dial disc (2) is equipped with locking mechanism.
10. a kind of full spinal pedicle abutment sleeve according to claim 1, it is characterised in that: the horizontal parallactic angle is fixed
The zeromark of position dial (2) is located at the fixing end with pilot sleeve (1), and the horizontal parallactic angle positioning dial disc (2) is most
High range is 60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721060814.XU CN208511148U (en) | 2017-08-23 | 2017-08-23 | Full spinal pedicle abutment sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721060814.XU CN208511148U (en) | 2017-08-23 | 2017-08-23 | Full spinal pedicle abutment sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208511148U true CN208511148U (en) | 2019-02-19 |
Family
ID=65327473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721060814.XU Active CN208511148U (en) | 2017-08-23 | 2017-08-23 | Full spinal pedicle abutment sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208511148U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107518936A (en) * | 2017-08-23 | 2017-12-29 | 上海交通大学医学院附属第九人民医院 | Full vertebral arch pedicle of vertebral column abutment sleeve |
| CN107518936B (en) * | 2017-08-23 | 2024-04-23 | 上海交通大学医学院附属第九人民医院 | Full backbone pedicle of vertebral arch positioning sleeve |
-
2017
- 2017-08-23 CN CN201721060814.XU patent/CN208511148U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107518936A (en) * | 2017-08-23 | 2017-12-29 | 上海交通大学医学院附属第九人民医院 | Full vertebral arch pedicle of vertebral column abutment sleeve |
| CN107518936B (en) * | 2017-08-23 | 2024-04-23 | 上海交通大学医学院附属第九人民医院 | Full backbone pedicle of vertebral arch positioning sleeve |
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