CN208989164U - A convenient instrument for measuring the depth of the spinal pedicle screw - Google Patents
A convenient instrument for measuring the depth of the spinal pedicle screw Download PDFInfo
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- CN208989164U CN208989164U CN201820136945.XU CN201820136945U CN208989164U CN 208989164 U CN208989164 U CN 208989164U CN 201820136945 U CN201820136945 U CN 201820136945U CN 208989164 U CN208989164 U CN 208989164U
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- probe
- probe holder
- measuring
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- pedicle screw
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- 239000000523 sample Substances 0.000 claims abstract description 173
- 238000005259 measurement Methods 0.000 claims abstract description 128
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 108010048734 sclerotin Proteins 0.000 claims description 18
- 229910001220 stainless steel Inorganic materials 0.000 claims description 15
- 239000010935 stainless steel Substances 0.000 claims description 15
- 235000001674 Agaricus brunnescens Nutrition 0.000 claims description 3
- 239000011324 bead Substances 0.000 claims description 2
- 230000007423 decrease Effects 0.000 abstract 1
- 230000035515 penetration Effects 0.000 abstract 1
- 210000000988 bone and bone Anatomy 0.000 description 52
- 238000000034 method Methods 0.000 description 8
- 238000001356 surgical procedure Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 206010071229 Procedural haemorrhage Diseases 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
一种方便测量脊柱椎弓根螺钉进钉深度的器械，其包括探针把持器、深度测量结构、探针，其特征在于，所述探针把持器的后端为密封结构，深度测量结构包括设置于探针把持器内的测量部，深度测量结构还包括一连接测量部的推钮；且推钮通过设置在探针把持器上的纵向滑槽伸出；推钮在纵向滑槽内移动带动测量部运动；探针的后端与探针把持器后端连接；探针前端包括一从探针把持器中伸出的伸出段；伸出段的长度与深度测量部长度相等；且在探针把持器的纵向滑槽旁设置刻度；刻度的最大量程与伸出段与测量部相等；且刻度值沿探针把持器的后端向前端为依次减小。其结构简单、操作便捷、精确度高、可重复使用并可单人完成。
An instrument for conveniently measuring the depth of screw penetration of spinal pedicle screws, comprising a probe holder, a depth measurement structure, and a probe, characterized in that the rear end of the probe holder is a sealing structure, and the depth measurement structure includes The measuring part is arranged in the probe holder, and the depth measuring structure also includes a push button connected to the measuring part; and the push button extends through the longitudinal chute arranged on the probe handle; the push button moves in the longitudinal chute Drive the measurement part to move; the rear end of the probe is connected with the rear end of the probe holder; the front end of the probe includes a protruding section extending from the probe holder; the length of the protruding section is equal to the length of the depth measurement section; and A scale is set beside the longitudinal chute of the probe holder; the maximum range of the scale is equal to the extension section and the measuring part; and the scale value decreases sequentially from the rear end of the probe holder to the front end. The utility model has the advantages of simple structure, convenient operation, high precision, reusable use and can be completed by one person.
Description
Technical field
The utility model belongs to field of medical auxiliary equipment, relates generally to be convenient for measuring backbone vertebral arch in a kind of bone surgery
The instrument of root screw length.
Background technique
In spinal surgery, the use of pedicle screw provides timely stability for spinal fusion, from come out with
It promotes rapidly, becomes instrument irreplaceable in spinal surgery.At present in surgical procedure, appropriate length pedicle of vertebral arch is chosen
Screw needs to measure screw way length, and common method is that patient is first inserted into screw way with probe, and assistant clamps vessel forceps
At screw way mouth, then the two is extracted simultaneously, the length of vessel forceps clip position lower end probe is the reason of pedicle screw
Think length.This process needs two people's compounding practices, often will appear assistant and clamps not strongly, causes to clamp in patient's withdrawal process
The displacement of point influences the accuracy of measurement, it may be necessary to which repeated measurement increases operating time and operative hemorrhage.Therefore one is needed
Kind single can be completed, measurement result is accurate, saves the measuring apparatus of time of measuring, it is expected solution above-mentioned technical problem.
The utility model provides that a kind of structure is simple, operates convenient, accuracy according to problem of the existing technology
The surgical instrument of high, the reusable and single measurement pedicle screw length completed.
Utility model content
In order to overcome the prior art existing two people conjunction measuring when being measured to pedicle screw length,
The technical problem for needing repeated measurement, measurement result inaccuracy, time of measuring long, the utility model provide one kind and are convenient for measuring backbone
The instrument of pedicle screw length.
A kind of instrument being convenient for measuring pedicle screw length comprising probe holder, depth measurement knot
Structure, probe, which is characterized in that the rear end of the probe holder is sealing structure, and depth measurement structure includes being set to probe
Measurement portion in holder, depth measurement structure further include the push button of a connection measurement portion；And push button is by being arranged in probe handle
Longitudinal chute in holder is stretched out；Push button is mobile in longitudinal chute to drive measurement portion movement；The rear end of probe and probe are held
The connection of device rear end；Probe front includes a section of stretching out stretched out from probe holder；The length of section of stretching out and depth measurement portion
Equal length；And scale is set by the longitudinal chute of probe holder；The maximum range of scale and section of stretching out and measurement portion phase
Deng；And scale value is to be sequentially reduced along the rear end forward end of probe holder；The setting of such structure: 1. are embedded in measurement minister
Degree is equal to the probe in front, and measuring point is in probe holder under off working state, when probe determines cortex in front of screw way
When bone is complete, when needing to carry out depth measurement, depth measurement structure is pushed down on, it is easy to operate.2. it is convenient to read data, longitudinal
Scale is arranged in the one or both sides of sliding slot, and scale value is to be sequentially reduced along the rear end forward end of probe holder, i.e. probe handle
There is scale to show between holder and measurement portion, the length that the distance and probe that depth measurement structure pushes down on protrude into bone hole can be straight
The reading data of sight, one man operation avoid human error.3, the design is equivalent to conventional probe and pedicle screw
It measures two steps to be integrated, intermediate steps is omitted, simplify operative process.
Further, when the position of the push button is located at scale maximum value, the front end of depth measurement structure and probe holder
Front end flush.The setting of such structure, it is ensured that the one or both sides of the corresponding longitudinal chute of push button are arranged scale and are
Probe enters the depth of bone hole.
Further, the measurement portion is the cannula structure of both ends band outlet, and probe runs through cannula structure, and front end is from set
Pipe structure is stretched out.The setting of such structure, it is ensured that in the case that probe is motionless, measurement portion is moved along probe.
Further, institute's probe holder is arc surface or plane at longitudinal chute.The setting of such structure facilitates observation
Scale.
Further, scale is respectively set in the side setting scale of the longitudinal chute or the two sides of longitudinal chute.Such knot
The setting of structure facilitates observation probe to enter the depth of bone hole.
Further, obtuse sclerotin detector is arranged in the front end of the probe.The setting of obtuse sclerotin detector can detect
Whether the bone face of bone hole bottom end is complete.
Further, the obtuse sclerotin detector is any obtuse structure that diameter is slightly larger than probe diameter, wherein it is preferred that
For bead or cake or mushroom configuration.The setting of such structure, whether the bone face that can not only detect bone hole bottom end is complete, but also will not
Secondary damage is caused to wound.
Further, right-angle side edge is arranged in the front end of the measurement portion；Right-angle side is along setting outside probe holder front end
Side；Right-angle side edge is the vertically protrusion edge with measurement portion longitudinal direction.The setting on right-angle side edge can keep off depth measurement structure in bone
Outside hole, and then have the function that precise measurement probe enters bone hole length.
Further, the right-angle side is 30-360 ° along the angle around measurement portion.
Further, the push button side adjacent with scale is provided with scale indication pin.Scale indication pin is a relatively narrow knot
Structure, scale indication pin is vertical with push button, parallel with scale；Alternatively, further, scale indication pin is parallel with push button, hang down with scale
Directly；The setting of scale indication pin can accurately observe the length that probe enters bone hole.
Further, the probe holder is stainless steel probe holder, and the depth measurement structure is stainless steel depth
Measurement structure, the probe are stainless steel probe.The setting of such structure can will be convenient for measuring pedicle screw into nail
The instrument of depth is sterilized repeatedly, and guarantee can reuse.
Probe is goed deep into bone hole in use, first holding probe holder, bone hole bottom end is detected by obtuse sclerotin detector
Bone face it is whether complete, then push button is pushed to move down measurement portion along the chute, until right-angle side is along connecing with bone hole top edge
Touching, then observes the corresponding scale of push button or the corresponding scale of pointer, and as the probe length that protrudes into bone hole, probe protrude into bone
The length in hole is the length of bone hole.
Compared with prior art, the utility model is convenient for measuring the apparatus structure letter of pedicle screw length
It is single, reusable, be marked with that scale, accuracy are high, single can complete, is easy to operate, save operating time.
Detailed description of the invention
Fig. 1 shows for 1 overall structure of instrument embodiment that the utility model is convenient for measuring pedicle screw length
It is intended to；
Fig. 2 is that the utility model is convenient for measuring at 1 probe of instrument embodiment of pedicle screw length vertical cut
Face structural schematic diagram；
Fig. 3 is that the utility model is convenient for measuring part at 1 push button of instrument embodiment of pedicle screw length
Enlarged structure schematic diagram；
Fig. 4 is 1 obtuse sclerotin of the instrument embodiment spy that the utility model is convenient for measuring pedicle screw length
Survey device at and right angle edge partial enlargement structural representation；
Fig. 5 shows for 2 overall structure of instrument embodiment that the utility model is convenient for measuring pedicle screw length
It is intended to；
Fig. 6 is that the utility model is convenient for measuring part at 2 push button of instrument embodiment of pedicle screw length
Enlarged structure schematic diagram；
Fig. 7 is 2 obtuse sclerotin of the instrument embodiment spy that the utility model is convenient for measuring pedicle screw length
Survey device at and right angle edge partial enlargement structural representation；
In figure, 1, probe holder；11, longitudinal chute；12, scale；2, depth measurement structure；21, measurement portion；211, straight
Arm of angle edge；22, push button；221, scale indication pin；3, probe；31, section of stretching out；311, obtuse sclerotin detector.
Specific embodiment
A kind of instrument for being convenient for measuring pedicle screw length of embodiment 1
A kind of instrument being convenient for measuring pedicle screw length comprising probe holder 1, depth measurement knot
Structure 2, probe 3, which is characterized in that the rear end of the probe holder 1 is sealing structure, and depth measurement structure 2 includes being set to
Measurement portion 21 in probe holder 1, depth measurement structure 2 further include the push button 22 of a connection measurement portion 21；And push button 22 is logical
The longitudinal chute 11 being arranged on probe holder 1 is crossed to stretch out；Push button 22 is mobile in longitudinal chute 11 to drive measurement portion 21 to transport
It is dynamic；The rear end of probe 3 is connect with 1 rear end of probe holder；3 front end of probe includes a stretching stretched out from probe holder 1
Section 31；The length and 21 equal length of depth measurement portion of section of stretching out 31；And it is arranged by the longitudinal chute of probe holder 1 11 and carves
Degree 12；The maximum range of scale 12 is equal with measurement portion 21 with section of stretching out 31；And 12 value of scale along the rear end of probe holder 1 to
Front end is to be sequentially reduced；The setting of such structure: 1. are embedded in the probe 3 that 21 length of measurement portion is equal to front, inoperative shape
Measurement portion 21 is located in probe holder 1 under state, when probe 3 determines that screw way front cortex bone is complete, when needing to carry out depth measurement,
Depth measurement structure 2 is pushed down on, it is easy to operate.2. reading, data are convenient, the one or both sides setting of longitudinal chute 11
Scale 12, and 12 value of scale is to be sequentially reduced along the rear end forward end of probe holder 1, i.e. probe holder 1 and measurement portion 21
Between have the display of scale 12, the length that the distance and probe 3 that depth measurement structure 2 pushes down on protrude into bone hole can intuitively read
Data, one man operation avoid human error.3, the design is equivalent to conventional probe 3 and pedicle screw measurement two
A step is integrated, and intermediate steps are omitted, and simplifies operative process.
When the position of push button 22 is located at 12 maximum value of scale, the front end of depth measurement structure 2 and the front end of probe holder 1
It flushes.The setting of such structure, it is ensured that the one or both sides of the corresponding longitudinal chute 11 of push button 22 are arranged scale 12 and are
Probe 3 enters the depth of bone hole.
Measurement portion 21 is the cannula structure of both ends band outlet, and probe 3 runs through cannula structure, and front end is stretched from cannula structure
Out.The setting of such structure, it is ensured that in the case that probe 3 is motionless, measurement portion 21 is moved along probe 3.
Institute's probe holder 1 is arc surface at longitudinal chute 11.The setting of such structure facilitates observation scale 12.
Scale 12 is arranged in the side of longitudinal chute 11.The setting of such structure facilitates observation probe 3 to enter the depth of bone hole
Degree.
Obtuse sclerotin detector 311 is arranged in the front end of probe 3.The setting of obtuse sclerotin detector 311 can detect bone hole
Whether the bone face of bottom end is complete.
Obtuse sclerotin detector 311 is the mushroom configuration that diameter is slightly larger than 3 diameter of probe.The setting of such structure, both
Whether the bone face that bone hole bottom end can be detected is complete, and will not cause secondary damage to wound.
The front end setting right-angle side of measurement portion 21 is along 211；Right-angle side is arranged along 211 in 1 front end outer side of probe holder；
Right-angle side is protrusion edge vertically longitudinal with measurement portion 21 along 211.Right-angle side, can be by depth measurement structure 2 along 211 setting
Gear has the function that precise measurement probe 3 enters bone hole length outside bone hole.
The angle that right-angle side surrounds measurement portion 21 along 211 is 60 °.
The side adjacent with scale 12 of push button 22 is provided with scale indication pin 221.Scale indication pin 221 is a relatively narrow knot
Structure, scale indication pin 221 is vertical with push button 22, parallel with scale 12.The setting of scale indication pin 221, facilitates precise measurement to push away
The depth that the corresponding scale 12 of button 22, i.e. probe 3 protrude into bone hole.
Probe holder 1 is stainless steel probe holder 1, and depth measurement structure 2 is stainless steel depth measurement structure 2, is visited
Needle 3 is stainless steel probe 3.The setting of such structure, can will be convenient for measuring the instrument of pedicle screw length into
Row sterilizes repeatedly, and guarantee can reuse.
A kind of instrument for being convenient for measuring pedicle screw length of embodiment 2
A kind of instrument being convenient for measuring pedicle screw length comprising probe holder 1, depth measurement knot
Structure 2, probe 3, which is characterized in that the rear end of the probe holder 1 is sealing structure, and depth measurement structure 2 includes being set to
Measurement portion 21 in probe holder 1, depth measurement structure 2 further include the push button 22 of a connection measurement portion 21；And push button 22 is logical
The longitudinal chute 11 being arranged on probe holder 1 is crossed to stretch out；Push button 22 is mobile in longitudinal chute 11 to drive measurement portion 21 to transport
It is dynamic；The rear end of probe 3 is connect with 1 rear end of probe holder；3 front end of probe includes a stretching stretched out from probe holder 1
Section 31；The length and 21 equal length of depth measurement portion of section of stretching out 31；And it is arranged by the longitudinal chute of probe holder 1 11 and carves
Degree 12；The maximum range of scale 12 is equal with measurement portion 21 with section of stretching out 31；And 12 value of scale along the rear end of probe holder 1 to
Front end is to be sequentially reduced；The setting of such structure: 1. are embedded in the probe 3 that 21 length of measurement portion is equal to front, inoperative shape
Measurement portion 21 is located in probe holder 1 under state, when probe 3 determines that screw way front cortex bone is complete, when needing to carry out depth measurement,
Depth measurement structure 2 is pushed down on, it is easy to operate.2. reading, data are convenient, the one or both sides setting of longitudinal chute 11
Scale 12, and 12 value of scale is to be sequentially reduced along the rear end forward end of probe holder 1, i.e. probe holder 1 and measurement portion 21
Between have the display of scale 12, the length that the distance and probe 3 that depth measurement structure 2 pushes down on protrude into bone hole can intuitively read
Data, one man operation avoid human error.3, the design is equivalent to conventional probe 3 and pedicle screw measurement two
A step is integrated, and intermediate steps are omitted, and simplifies operative process.
When the position of push button 22 is located at 12 maximum value of scale, the front end of depth measurement structure 2 and the front end of probe holder 1
It flushes.The setting of such structure, it is ensured that the one or both sides of the corresponding longitudinal chute 11 of push button 22 are arranged scale 12 and are
Probe 3 enters the depth of bone hole.
Measurement portion 21 is the cannula structure of both ends band outlet, and probe 3 runs through cannula structure, and front end is stretched from cannula structure
Out.The setting of such structure, it is ensured that in the case that probe 3 is motionless, measurement portion 21 is moved along probe 3.
Institute's probe holder 1 is arc surface at longitudinal chute 11.The setting of such structure facilitates observation scale 12.
Scale 12 is arranged in the side of longitudinal chute 11.The setting of such structure facilitates observation probe 3 to enter the depth of bone hole
Degree.
Obtuse sclerotin detector 311 is arranged in the front end of probe 3.The setting of obtuse sclerotin detector 311 can detect bone hole
Whether the bone face of bottom end is complete.
Obtuse sclerotin detector 311 is the small spherical structure that diameter is slightly larger than 3 diameter of probe.The setting of such structure, both may be used
It is whether complete with the bone face for detecting bone hole bottom end, and secondary damage will not be caused to wound.
The front end setting right-angle side of measurement portion 21 is along 211；Right-angle side is arranged along 211 in 1 front end outer side of probe holder；
Right-angle side is protrusion edge vertically longitudinal with measurement portion 21 along 211.Right-angle side, can be by depth measurement structure 2 along 211 setting
Gear has the function that precise measurement probe 3 enters bone hole length outside bone hole.
The angle that right-angle side surrounds measurement portion 21 along 211 is 360 °.
The side adjacent with scale 12 of push button 22 is provided with scale indication pin 221.Scale indication pin 221 is a relatively narrow knot
Structure, scale indication pin 221 is vertical with push button 22, parallel with scale 12.The setting of scale indication pin 221, facilitates precise measurement to push away
The depth that the correspondence scale 12 of button 22, i.e. probe 3 protrude into bone hole.
Probe holder 1 is stainless steel probe holder 1, and depth measurement structure 2 is stainless steel depth measurement structure 2, is visited
Needle 3 is stainless steel probe 3.The setting of such structure, can will be convenient for measuring the instrument of pedicle screw length into
Row sterilizes repeatedly, and guarantee can reuse.
A kind of instrument for being convenient for measuring pedicle screw length of embodiment 3
A kind of instrument being convenient for measuring pedicle screw length comprising probe holder 1, depth measurement knot
Structure 2, probe 3, which is characterized in that the rear end of the probe holder 1 is sealing structure, and depth measurement structure 2 includes being set to
Measurement portion 21 in probe holder 1, depth measurement structure 2 further include the push button 22 of a connection measurement portion 21；And push button 22 is logical
The longitudinal chute 11 being arranged on probe holder 1 is crossed to stretch out；Push button 22 is mobile in longitudinal chute 11 to drive measurement portion 21 to transport
It is dynamic；The rear end of probe 3 is connect with 1 rear end of probe holder；3 front end of probe includes a stretching stretched out from probe holder 1
Section 31；The length and 21 equal length of depth measurement portion of section of stretching out 31；And it is arranged by the longitudinal chute of probe holder 1 11 and carves
Degree 12；The maximum range of scale 12 is equal with measurement portion 21 with section of stretching out 31；And 12 value of scale along the rear end of probe holder 1 to
Front end is to be sequentially reduced；The setting of such structure: 1. are embedded in the probe 3 that 21 length of measurement portion is equal to front, inoperative shape
Measurement portion 21 is located in probe holder 1 under state, when probe 3 determines that screw way front cortex bone is complete, when needing to carry out depth measurement,
Depth measurement structure 2 is pushed down on, it is easy to operate.2. reading, data are convenient, the one or both sides setting of longitudinal chute 11
Scale 12, and 12 value of scale is to be sequentially reduced along the rear end forward end of probe holder 1, i.e. probe holder 1 and measurement portion 21
Between have the display of scale 12, the length that the distance and probe 3 that depth measurement structure 2 pushes down on protrude into bone hole can intuitively read
Data, one man operation avoid human error.3, the design is equivalent to conventional probe 3 and pedicle screw measurement two
A step is integrated, and intermediate steps are omitted, and simplifies operative process.
When the position of push button 22 is located at 12 maximum value of scale, the front end of depth measurement structure 2 and the front end of probe holder 1
It flushes.The setting of such structure, it is ensured that the one or both sides of the corresponding longitudinal chute 11 of push button 22 are arranged scale 12 and are
Probe 3 enters the depth of bone hole.
Measurement portion 21 is the cannula structure of both ends band outlet, and probe 3 runs through cannula structure, and front end is stretched from cannula structure
Out.The setting of such structure, it is ensured that in the case that probe 3 is motionless, measurement portion 21 is moved along probe 3.
Institute's probe holder 1 is plane at longitudinal chute 11.The setting of such structure facilitates observation scale 12.
Scale 12 is respectively set in the two sides of longitudinal chute 11.The setting of such structure facilitates observation probe 3 to enter bone hole
Depth.
Obtuse sclerotin detector 311 is arranged in the front end of probe 3.The setting of obtuse sclerotin detector 311 can detect bone hole
Whether the bone face of bottom end is complete.
Obtuse sclerotin detector 311 is the pied geometry that diameter is slightly larger than 3 diameter of probe.The setting of such structure, both may be used
It is whether complete with the bone face for detecting bone hole bottom end, and secondary damage will not be caused to wound.
The front end setting right-angle side of measurement portion 21 is along 211；Right-angle side is arranged along 211 in 1 front end outer side of probe holder；
Right-angle side is protrusion edge vertically longitudinal with measurement portion 21 along 211.Right-angle side, can be by depth measurement structure 2 along 211 setting
Gear has the function that precise measurement probe 3 enters bone hole length outside bone hole.
The angle that right-angle side surrounds measurement portion 21 along 211 is 180 °.
The side adjacent with scale 12 of push button 22 is provided with scale indication pin 221.Scale indication pin 221 is a relatively narrow knot
Structure, scale indication pin 221 is parallel with push button 22, vertical with scale 12；The setting of scale indication pin 221, facilitates precise measurement to push away
The depth that the corresponding scale 12 of button 22, i.e. probe 3 protrude into bone hole.
Probe holder 1 is stainless steel probe holder 1, and depth measurement structure 2 is stainless steel depth measurement structure 2, is visited
Needle 3 is stainless steel probe 3.The setting of such structure, can will be convenient for measuring the instrument of pedicle screw length into
Row sterilizes repeatedly, and guarantee can reuse.
The explanation of above-described embodiment is only intended to understand the utility model.It should be pointed out that for the ordinary skill of this field
For personnel, without departing from the principle of this utility model, several improvement can also be carried out to the utility model, these change
Into also will be in the protection scope that fall into the utility model claims.
Claims (11)
1. a kind of instrument for being convenient for measuring pedicle screw length comprising probe holder (1), depth measurement knot
Structure (2), probe (3), which is characterized in that the rear end of the probe holder (1) is sealing structure, depth measurement structure (2) packet
The measurement portion (21) being set in probe holder (1) is included, depth measurement structure (2) further includes pushing away for one connection measurement portion (21)
Button (22)；And push button (22) is stretched out by the longitudinal chute (11) being arranged on probe holder (1)；Push button (22) is in longitudinal cunning
It is mobile in slot (11) to drive measurement portion (21) movement；The rear end of probe (3) is connect with probe holder (1) rear end；Before probe (3)
End includes a section of stretching out (31) stretched out from probe holder (1)；The length of section of stretching out (31) and depth measurement portion (21) are long
It spends equal；And scale (12) are set by the longitudinal chute of probe holder (1) (11)；The maximum range of scale (12) and stretching
Section (31) is equal with measurement portion (21)；And scale (12) value is to be sequentially reduced along the rear end forward end of probe holder (1).
2. the instrument according to claim 1 for being convenient for measuring pedicle screw length, which is characterized in that described
Measurement portion (21) is the cannula structure of both ends band outlet, and probe (3) runs through cannula structure, and front end is stretched out from cannula structure.
3. the instrument according to claim 1 for being convenient for measuring pedicle screw length, which is characterized in that described
Probe holder (1) is arc surface or plane at longitudinal chute (11).
4. the instrument according to claim 1 for being convenient for measuring pedicle screw length, which is characterized in that described
Scale (12) are respectively set in side setting scale (12) of longitudinal chute (11) or the two sides of longitudinal chute (11).
5. the instrument according to claim 1 for being convenient for measuring pedicle screw length, which is characterized in that described
Obtuse sclerotin detector (311) are arranged in the front end of probe (3).
6. the instrument according to claim 5 for being convenient for measuring pedicle screw length, which is characterized in that described
Obtuse sclerotin detector (311) is any obtuse structure that diameter is slightly larger than probe (3) diameter.
7. the instrument according to claim 6 for being convenient for measuring pedicle screw length, which is characterized in that obtuse
Structure is bead or cake or mushroom configuration.
8. the instrument according to claim 1 for being convenient for measuring pedicle screw length, which is characterized in that measurement
The front end setting right-angle side in portion (21) is along (211)；Right-angle side is arranged along (211) in probe holder (1) front end outer side；Right angle
Edge (211) is the vertically protrusion edge with measurement portion (21) longitudinal direction.
9. the instrument according to claim 8 for being convenient for measuring pedicle screw length, which is characterized in that described
Angle of the right-angle side along (211) around measurement portion (21) is 30-360 °.
10. the instrument according to claim 1 for being convenient for measuring pedicle screw length, which is characterized in that institute
It states push button (22) and scale (12) adjacent side is provided with scale indication pin (221).
11. the instrument according to claim 1 for being convenient for measuring pedicle screw length, which is characterized in that institute
It is stainless steel depth measurement structure (2) that probe holder (1), which is stated, as stainless steel probe holder (1), depth measurement structure (2),
The probe (3) is stainless steel probe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820136945.XU CN208989164U (en) | 2018-01-23 | 2018-01-23 | A convenient instrument for measuring the depth of the spinal pedicle screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820136945.XU CN208989164U (en) | 2018-01-23 | 2018-01-23 | A convenient instrument for measuring the depth of the spinal pedicle screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208989164U true CN208989164U (en) | 2019-06-18 |
Family
ID=66794377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820136945.XU Expired - Fee Related CN208989164U (en) | 2018-01-23 | 2018-01-23 | A convenient instrument for measuring the depth of the spinal pedicle screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208989164U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111714198A (en) * | 2020-06-15 | 2020-09-29 | 中国人民解放军总医院 | A puncture-guided input system for vertebral cement perfusion enhancement in open surgery for spinal metastatic tumors |
| CN112790847A (en) * | 2020-09-23 | 2021-05-14 | 罗绍金 | Selective pedicle screw and method of use |
-
2018
- 2018-01-23 CN CN201820136945.XU patent/CN208989164U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111714198A (en) * | 2020-06-15 | 2020-09-29 | 中国人民解放军总医院 | A puncture-guided input system for vertebral cement perfusion enhancement in open surgery for spinal metastatic tumors |
| CN111714198B (en) * | 2020-06-15 | 2021-09-07 | 中国人民解放军总医院 | A puncture-guided input system for vertebral cement perfusion enhancement in open surgery for spinal metastatic tumors |
| CN112790847A (en) * | 2020-09-23 | 2021-05-14 | 罗绍金 | Selective pedicle screw and method of use |
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