CN209863980U - Percutaneous lumbar intervertebral foramen mirror puncture auxiliary positioning ware - Google Patents
Percutaneous lumbar intervertebral foramen mirror puncture auxiliary positioning ware Download PDFInfo
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- CN209863980U CN209863980U CN201920288787.4U CN201920288787U CN209863980U CN 209863980 U CN209863980 U CN 209863980U CN 201920288787 U CN201920288787 U CN 201920288787U CN 209863980 U CN209863980 U CN 209863980U
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Abstract
The utility model discloses a percutaneous lumbar intervertebral foramen mirror puncture assistance-localization real-time ware, include: base, horizontal pole, slider and puncture locating component, puncture locating component includes: horizontal angle appearance, vertical angle appearance and puncture sleeve pipe, be formed with first arc slide rail and second arc slide rail on horizontal angle appearance and the vertical angle appearance respectively, vertical angle appearance slides in first arc slide rail, and puncture sleeve pipe slides in second arc slide rail. The utility model discloses a puncture assistance-localization real-time ware can realize convenient, quick, carry out the accurate puncture in intervertebral foramen with low costs, the blindness of having avoided the puncture reduces the neural vascular injury risk, and easy learning is easy to use, the quality is light, each part can be dismantled alone and place in the apparatus box that disappears soon, good popularization and application prospect has in the industry, make more low-age capital specialist can be familiar with as early as possible and master and utilize this percutaneous puncture technique, shorten the study cycle, be favorable to the clinical popularization and application of this art formula.
Description
Technical Field
The utility model relates to an auxiliary positioner for lumbar vertebra operation, in particular to an auxiliary positioner for percutaneous lumbar intervertebral foramen mirror puncture; belongs to the technical field of medical appliances.
Background
Lumbar intervertebral disc protrusion is a common disease, is also the most common cause of lumbago, and seriously affects the life quality of patients. With the wide popularization of the minimally invasive concept and the rapid development of the technology at the end of the 20 th century, the Percutaneous Transforaminal Endoscopic (PTED) technology in the field of spinal surgery has come into play. Compared with the traditional open surgery, the minimally invasive spinal technique of the percutaneous complete endoscope has the advantages of low cost, high safety, small wound, less bleeding and the like in the operation, and the postoperative patient can quickly recover (walk on the ground after the operation and get out of hospital in the same day), and scars can not be left at important structures behind the spinal column to cause adhesion of vertebral canal and nerves and the like, so that the minimally invasive spinal minimally invasive technique gradually becomes a mainstream technique for treating degenerative disc diseases.
At present, spine minimally invasive technology surgery in China is in the golden period of rapid development, but the spine minimally invasive technology is required to be realized to have a steep learning curve and high technical difficulty, and the surgery is carried out on the premise of safety and effectiveness by selecting an optimal treatment scheme according to the disease condition and carrying out standard operation, so that the surgery difficulty can be reduced, complications and intraoperative accidents can be reduced, and the minimally invasive technology can be developed actively and stably.
Safe and accurate positioning puncture is a difficult point and a core step of a percutaneous intervertebral foramen mirror technology and is also one of key factors for determining operation difficulty and postoperative clinical effect. The C-arm X-ray machine which is generally used clinically at present can not provide accurate parameters such as puncture depth and puncture side-opening angle under the guidance of fluoroscopy, limited information needs to be integrated by an operator in the positioning puncture process, and higher requirements are provided for the spatial thinking ability and the operation experience of the operator. And young doctors often lack good space imagination capability and clinical puncture operation experience, so that positioning puncture is difficult, operation time is prolonged, patients suffer from pain due to multiple punctures, radiation exposure of operators and patients is increased, the risk of damage to the dural sac and nerve roots is increased, and even the result of operation failure is caused. Meanwhile, the radiation brought to the patient and the surgeon by the repeated fluoroscopy of the percutaneous endoscopic technique through the intervertebral foramen is a problem which cannot be ignored clinically.
With the development of the technology, more accurate and safe positioning can be realized by using novel positioning navigation equipment (such as an O-shaped arm X-ray machine, nuclear magnetic resonance navigation in operation and the like), and radiation hazard is effectively reduced. However, the O-arm X-ray machine is not widely used, and the nuclear magnetic resonance navigation is also extremely expensive during the operation, so that the O-arm X-ray machine cannot be widely used in the medical field.
Some domestic scholars independently research and develop multiple puncture auxiliary positioning devices aiming at the characteristic of difficult puncture positioning of percutaneous transforaminal foramen mirror technology, and the common characteristics of the various puncture auxiliary positioning devices are that a puncture path is designed according to preoperative image data, and meanwhile, the puncture depth, the puncture angle and the puncture distance are accurately adjusted according to the body type of a patient, so that relatively accurate personalized puncture is realized. However, the existing puncture auxiliary positioner for the intervertebral foramen mirror is large in size, complex in assembly and operation and relatively expensive in price. In view of the above, how to position the puncture quickly, accurately, safely and inexpensively remains one of the difficulties that need to be solved urgently in clinical work.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the utility model aims to provide a percutaneous lumbar intervertebral foramen mirror puncture auxiliary positioner which is easy to learn and use and high in puncture positioning precision.
In order to achieve the above object, the utility model adopts the following technical scheme:
a percutaneous transforaminal foramen mirror puncture assistance-localization real-time ware includes: base, with base fixed connection's horizontal pole, with horizontal pole sliding connection's slider and puncture locating component, puncture locating component includes: the puncture needle comprises a horizontal angle instrument, a vertical angle instrument and a puncture sleeve, wherein the horizontal angle instrument is fixedly connected with a sliding block, a first arc-shaped slide rail and a second arc-shaped slide rail are respectively formed on the horizontal angle instrument and the vertical angle instrument, the circle centers of the first arc-shaped slide rail and the second arc-shaped slide rail are coincided and are located on the same horizontal plane with the positioning points on the cross rod, the line of the circle center and the positioning points is perpendicular to the cross rod, the vertical angle instrument slides in the first arc-shaped slide rail, and the puncture sleeve slides in the second arc-shaped slide rail and is internally provided with a puncture needle.
Preferably, a locating shaft is arranged below the base in a penetrating mode, a grid locating frame is detachably mounted on the locating shaft, and the grid locating frame can slide along the axis direction of the locating shaft. The positioning shaft is superposed with the rear median line in the using process and is used for determining the basic position of the puncture auxiliary positioner; the grid positioning frame can slide on the positioning shaft, so that the projection positions of the vertebral pedicle, the target intervertebral space, the target point and the articular process on the back body surface at the body surface mark position under the orthoscopic perspective are facilitated.
Preferably, the sliding angle range of the first arc-shaped sliding rail is 0 degrees ~ +/-30 degrees, and the sliding angle range of the second arc-shaped sliding rail is 15 degrees ~ 75 degrees.
Preferably, a pair of slide rails is formed on two sides of the cross bar, and a slide structure matched with the slide rails is formed on the slide block, so that the distance between the slide block and the base is adjusted.
More preferably, scales are arranged on the cross rod, and the starting point of the scales is positioned right above the positioning shaft so as to accurately determine the horizontal position of the puncture point.
More preferably, the slide block is provided with a plurality of locking screws for fixing the slide block at the positioning point.
Preferably, the horizontal angle gauge is composed of a first arc-shaped plate located on the horizontal plane, one end of the first arc-shaped plate is rigidly connected with the sliding block, the first arc-shaped sliding rail is an arc-shaped through groove on the first arc-shaped plate, and the head inclination/tail inclination angle during puncturing can be adjusted through the first arc-shaped sliding rail.
More preferably, the aforementioned vertical goniometer comprises: gliding mount pad in first arc slide rail and with mount pad fixed connection's second arc, be provided with the retaining member on the mount pad, the second arc is located the vertical face, but puncture sheathed tube puncture angle of accurate adjustment through second arc slide rail, and the occupation space of locator can be saved greatly to the arc slide rail moreover.
Further preferably, the base is made of a high-density metal material, and plays a role of a balancing weight for improving the stability of the auxiliary puncture locator; the cross rod, the sliding block and the puncture positioning assembly are all made of 3D printing materials.
Still further preferably, the first arc-shaped plate extends from a positioning point close to the cross rod to the circle center direction to form an auxiliary positioning rod, and the auxiliary positioning rod can enable an operator to determine and check the puncture point more intuitively, so that the accuracy of positioning puncture is further improved.
The utility model discloses an useful part lies in:
(1) the puncture auxiliary positioner of the utility model is easy to learn and use, has light weight, can be independently disassembled and placed in an instrument quick-sterilizing box, meets the requirement of quick sterilization in an operating room, and can greatly improve the operation efficiency when a plurality of operations are sequentially carried out;
(2) the auxiliary positioner quantifies the puncture position and direction by using preoperative imaging examination data, the horizontal angle meter is used for accurately adjusting the head tilting/tail tilting angle during puncture, the vertical angle meter is specially used for adjusting the angle between a puncture needle and the coronal plane of a patient, the adjustment is accurate and high in precision, reliable locking can be realized when the target position is adjusted, accurate puncture of intervertebral foramen can be realized conveniently, quickly and inexpensively, the puncture blindness is avoided, and the risk of neurovascular injury is reduced;
(3) the utility model can effectively improve the accuracy of the puncture process, reduce the puncture failure rate, reduce the trauma and the ray radiation of the patient to a certain extent, shorten the operation time, reduce the risks of complications such as infection of the patient during the operation and after the operation, and improve the hospitalization experience and the clinical work efficiency of the patient;
(4) the cross rod, the sliding block and the puncture positioning component of the auxiliary positioner are all made of 3D printing materials, so that the auxiliary positioner has the advantages of accurate mold opening, light weight, easiness in learning and use, lower cost and the like, and has good popularization and application prospects in the industry;
(5) with the help of the utility model discloses an auxiliary positioning ware can shorten the study curve of art person to percutaneous intervertebral foramen mirror technique, makes more low-age capital specialist can be familiar with as early as possible and master and utilize this percutaneous puncture technique, shortens the learning cycle, is favorable to the clinical popularization and application of this art formula.
Drawings
Fig. 1 is a schematic perspective view of a preferred embodiment of a percutaneous lumbar interpore speculum puncture auxiliary positioner of the present invention;
FIG. 2 is a top view of the embodiment shown in FIG. 1;
FIG. 3 is a front view of the embodiment shown in FIG. 1;
FIG. 4 is a side view of the embodiment shown in FIG. 1;
FIG. 5 is a partial detail view of the puncture positioning assembly of the embodiment of FIG. 1;
FIG. 6 is a drawing showing an example of specimen labeling in preparation for puncturing.
The meaning of the reference symbols in the figures: 1. the base, 2, horizontal pole, 201, slide rail, 3, slider, 4, locking screw, 5, location axle PQ, 6, horizontal angle appearance, 601, first arc slide rail, 602, auxiliary positioning pole, 7, vertical angle appearance, 701, mount pad, 702, second arc slide rail, 8, puncture sleeve pipe, 801, base, 9, net locating frame.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 to 5, the utility model discloses a percutaneous lumbar intervertebral foramen mirror puncture assistance-localization real-time ware can realize quick, accurate puncture assistance-localization real-time, include: base 1, with base 1 fixed connection's horizontal pole 2, with horizontal pole 2 sliding connection's slider 3 and puncture locating component. The cross bar 2 and the base 1 are vertically arranged, the base 1 is made of high-density metal, the high-density metal refers to metal with high density such as copper (without limitation), and the metal plays a role of a balancing weight and can stabilize the auxiliary positioner. In order to realize sliding connection conveniently, a pair of sliding rails 201 are formed on two sides of the cross rod 2, and a sliding structure matched with the sliding rails 201 is formed on the sliding block 3, so that the distance between the sliding block 3 and the base 1 can be adjusted flexibly. Furthermore, a plurality of locking screws 4 are arranged on the sliding block 3 to fixedly lock the sliding block 3.
The puncture positioning component is a core component for realizing auxiliary positioning by the positioner, the displacement of the puncture positioning component in the horizontal direction (namely along the length direction of the cross rod 2) is realized by driving the slide block 3, the slide block 3 drives the puncture positioning component to move to a target position, and the intersection point of the target position and the central line of the top surface of the cross rod 2 is marked as a positioning point F. Specifically, as shown in fig. 1 and 5, the puncture positioning assembly includes: horizontal angle appearance 6, vertical angle appearance 7 and puncture sleeve pipe 8, horizontal angle appearance 6 and slider 3 fixed connection, the pjncture needle is located puncture sleeve pipe 8. A first arc-shaped sliding rail 601 and a second arc-shaped sliding rail 702 are respectively formed on the horizontal angle meter 6 and the vertical angle meter 7, and the centers of circles of the first arc-shaped sliding rail 601 and the second arc-shaped sliding rail 702 are overlapped and recorded as a point A. The point A and a positioning point F on the cross rod 2 are positioned on the same horizontal plane, and a connecting line of the circle center A and the positioning point F is vertical to the cross rod 2. In the course of the work, vertical angulometer 7 slides in first arc slide rail 601 with the head slope/the tail slope angle of adjustment locator, and puncture sleeve 8 slides in second arc slide rail 702 with the adjustment puncture angle, the utility model discloses in the arc slide rail 201 that adopts for traditional linear type slide rail 201, can reduce the volume of locator greatly, improve the convenience and the accuracy nature of operation simultaneously.
Angles (not shown in the figure) are carved on the first arc-shaped slide rail 601 and the second arc-shaped slide rail 702 to facilitate accurate adjustment, the sliding angle range (range) of the first arc-shaped slide rail 601 is 0 degree ~ +/-30 degrees, the sliding angle range (range) of the second arc-shaped slide rail 702 is 15 degrees ~ 75 degrees, the actual requirements of the lumbar puncture operation can be met in the range, the specific range is not limited to the range, and the adjustment can be flexibly adjusted by combining the actual situation.
Specifically, in this embodiment, as shown in fig. 1, the horizontal angle meter 6 is composed of a first arc-shaped plate located on a horizontal plane, one end of the first arc-shaped plate is rigidly connected to the slider 3, the first arc-shaped slide rail 601 is an arc-shaped through groove on the first arc-shaped plate, and the head/tail tilt angle during puncturing can be adjusted through the first arc-shaped slide rail 601. The vertical angle meter 7 includes: gliding mount pad 701 in first arc slide rail 601 and with mount pad 701 fixed connection's second arc, be provided with the retaining member on the mount pad 701, the second arc is located the vertical plane, puncture sleeve 8 is through a base 801 and second arc joint, and base 801 can be interactive in second arc slide rail 702, so, can the puncture angle of accurate adjustment puncture sleeve 8, and the occupation space of locator can be saved greatly to arc slide rail 201.
In order to further improve the positioning accuracy, a positioning shaft PQ5 is further arranged below the base 1 in a penetrating manner, a grid positioning frame 9 is detachably mounted on the positioning shaft PQ5, and both the base 1 and the grid positioning frame 9 can slide along the axial direction of the positioning shaft. In the use process, the positioning shaft is superposed with the rear median line and is used for determining the basic position of the puncture auxiliary positioner; the grid positioning frame 9 can slide on the positioning shaft, the grid positioning frame 9 of the embodiment is longitudinally provided with 3 auxiliary lines, the 9 auxiliary lines are transversely arranged, pattern marks are arranged at fixed intervals, and the projection positions of vertebral pedicles of upper and lower vertebral bodies, target intervertebral spaces, target spots and articular processes on the back body surface at the body surface mark position under the normal perspective are facilitated.
In addition, a scale (not shown) is provided on the cross bar 2, and a starting point C of the scale is located right above the positioning shaft PQ5 to accurately determine the horizontal position of the puncture site.
As a further improvement of this embodiment, the first arc-shaped plate extends from a position close to the positioning point F on the cross bar 2 to the direction of the circle center A to form an auxiliary positioning rod 602, and the end of the auxiliary positioning rod 602 forms a sharp angle, so that the operator can determine and check the puncture point more intuitively by using the auxiliary positioning rod 602, and the accuracy of positioning and puncturing is further improved.
In order to make the technical solution of the present application better understood by those skilled in the art, the following describes the method of using the auxiliary positioner:
(1) preoperative detection: carry out lumbar vertebrae MRI flat scan, the positive lateral position piece of lumbar vertebrae to the sample shooting before the art, obtain corresponding node's following data: as shown in fig. 6, on the MRI cross-sectional view of the operative segment, the distance MO between the puncture target point (M point) and the skin projection point (O point) is measured; another straight line passes through the target spot M and the edge of the upper articular process, the intersection point of the straight line and the tangent line at the back of the specimen is a point B, and the distance between the OB and the MB is measured and recorded;
(2) the patient lies on the operation bed with perspective, the posterior midline position is marked by using each spinous process of the lumbar vertebra, and the L4/5 intervertebral space position is determined and marked by using the iliac spines at the two sides;
(3) the positioning shaft PQ5 of the puncture auxiliary positioner of the utility model is coincided with the rear median line, the staff gauge slides to the farthest position of the head end, and the projection positions of the vertebral pedicle of the upper and lower centrum, the target intervertebral space, the target point and the articular process on the back body surface are marked on the body surface under the orthoscopic perspective by utilizing the grid positioning frame 9 on the PQ shaft;
(4) taking down the grid positioning frame 9 from the positioning shaft PQ5, sliding the slide block 3 to a corresponding position to enable the CF length to be the OB value measured on the MRI, and screwing the locking screw 4 to fix the position;
(5) adjusting the position of a vertical angle instrument 7 in the first sliding track to enable a head-tilt/tail-tilt angle to be a preoperative plain film measurement value; adjusting the angle between the puncture sleeve and the skin in the second sliding track to be equal to the angle MBO, and screwing the screw to fix the position;
(6) inserting a puncture needle into the puncture sleeve, observing the puncture depth of the skin, stopping puncturing when the depth is equal to MB, performing X-ray positive side perspective for 1 time respectively, and observing whether the tip position of the puncture needle is correct or not;
(7) and (4) adjusting the angle and the depth of the puncture needle according to the perspective result, and repeatedly performing perspective adjustment until the target position is reached, thereby completing successful puncture 1 time.
To sum up, the utility model discloses a puncture auxiliary positioning device utilizes before the art image science inspection data quantization puncture position and direction, and head tilt/tail tilt angle when horizontal angle appearance 6 is used for the accurate adjustment puncture, and vertical angle appearance 7 is used for adjusting the angle of pjncture needle and patient's coronal plane specially, and the adjustment is accurate and the precision is high, and can all realize reliably locking when adjusting to the target location, can realize conveniently, fast, carry out the accurate puncture in intervertebral foramen with low costs, has avoided the blindness of puncture, reduces the neural vascular injury risk; the puncture auxiliary locator cross rod 2, the sliding block 3 and the puncture locating component are all made of 3D printing materials, so that the puncture auxiliary locator cross rod has the advantages of accurate mold opening, light weight, easiness in learning and use, low cost and the like, each part can be independently disassembled and placed in an instrument fast-disinfecting box, the requirement of fast disinfection and use in an operating room is met, and the operation efficiency of a plurality of operations in sequential operation can be greatly improved; utilize the utility model discloses an auxiliary positioning ware can also effectively improve the accuracy of puncture process, reduces puncture failure rate, reduces patient's wound and ray radiation volume to a certain extent, does simultaneously and shortens the operation time, reduces the risk of complication such as patient's art and postoperative infection, improves patient's experience of seeking medical advice and clinical work efficiency.
Therefore, with the help of the utility model, the learning curve of the operator to the percutaneous intervertebral foramen mirror technology can be shortened, more low-age specialist doctors can master and apply the percutaneous puncture technology as soon as possible, the learning cycle is shortened, and the clinical popularization and application of the operation formula are facilitated.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by adopting equivalent replacement or equivalent transformation fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a percutaneous lumbar intervertebral foramen mirror puncture assistance-localization real-time ware which characterized in that includes: base, with base fixed connection's horizontal pole, with horizontal pole sliding connection's slider and puncture locating component, puncture locating component includes: the puncture needle comprises a horizontal angle instrument, a vertical angle instrument and a puncture sleeve, wherein the horizontal angle instrument is fixedly connected with a sliding block, a first arc-shaped slide rail and a second arc-shaped slide rail are respectively formed on the horizontal angle instrument and the vertical angle instrument, the circle centers of the first arc-shaped slide rail and the second arc-shaped slide rail are coincided and are located on the same horizontal plane with the positioning points on the cross rod, the line of the circle center and the positioning points is perpendicular to the cross rod, the vertical angle instrument slides in the first arc-shaped slide rail, and the puncture sleeve slides in the second arc-shaped slide rail and is internally provided with a puncture needle.
2. The percutaneous transforaminal thoracoscopy puncture auxiliary positioner according to claim 1, wherein a positioning shaft is arranged below the base in a penetrating manner, a grid positioning frame is detachably mounted on the positioning shaft, and the grid positioning frame can slide along the axial direction of the positioning shaft.
3. The percutaneous transluminal lumbar endoscopic puncture auxiliary positioning device according to claim 1, wherein the sliding angle range of the first arc-shaped sliding rail is 0 ° ~ ± 30 °, and the sliding angle range of the second arc-shaped sliding rail is 15 ° ~ 75 °.
4. The percutaneous transforaminal foramino-mirror puncture auxiliary positioner as claimed in claim 2, wherein a pair of slide rails are formed on two sides of the cross bar, and a slide rail-matched sliding structure is formed on the slide block.
5. The percutaneous transforaminal foramino-mirror puncture auxiliary positioner of claim 4, wherein the cross rod is provided with a scale, and the starting point of the scale is positioned right above the positioning shaft.
6. The percutaneous transforaminal foramino-mirror puncture auxiliary positioner of claim 1, wherein the slide block is provided with a plurality of locking screws to fix the slide block at a positioning point.
7. The percutaneous transforaminal thoracoscopy puncture auxiliary positioning device according to claim 1, wherein the horizontal angle gauge is composed of a first arc-shaped plate positioned on a horizontal plane, one end of the first arc-shaped plate is rigidly connected with the sliding block, and the first arc-shaped sliding rail is an arc-shaped through groove on the first arc-shaped plate.
8. The percutaneous transforaminal foraminoscopy puncture assisting positioner of claim 7, wherein the vertical angle gauge comprises: the mounting base that slides at first arc slide rail and with mounting base fixed connection's second arc, be provided with the retaining member on the mounting base, the second arc is located the vertical plane.
9. The percutaneous transforaminal foraminoscopy puncture assisting positioner of claim 8, wherein the base is made of high-density metal material, and the cross rod, the sliding block and the puncture positioning component are made of 3D printing material.
10. The percutaneous transforaminal foramino-mirror puncture auxiliary locator of any one of claims 7 ~ 9, wherein the first arcuate plate extends from a locating point on the cross bar towards the center of the circle to form an auxiliary locating rod.
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| CN201920288787.4U CN209863980U (en) | 2019-03-07 | 2019-03-07 | Percutaneous lumbar intervertebral foramen mirror puncture auxiliary positioning ware |
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| CN201920288787.4U CN209863980U (en) | 2019-03-07 | 2019-03-07 | Percutaneous lumbar intervertebral foramen mirror puncture auxiliary positioning ware |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111419423A (en) * | 2020-03-23 | 2020-07-17 | 南宁市第二人民医院 | Positioning device for guiding puncture in CT image puncture |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111419423A (en) * | 2020-03-23 | 2020-07-17 | 南宁市第二人民医院 | Positioning device for guiding puncture in CT image puncture |
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