CN104814773A - Intervertebral foramen navigation puncture component - Google Patents
Intervertebral foramen navigation puncture component Download PDFInfo
- Publication number
- CN104814773A CN104814773A CN201510247263.7A CN201510247263A CN104814773A CN 104814773 A CN104814773 A CN 104814773A CN 201510247263 A CN201510247263 A CN 201510247263A CN 104814773 A CN104814773 A CN 104814773A
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- crossbeam
- guide pipe
- puncture
- guider
- sliding sleeve
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3472—Trocars; Puncturing needles for bones, e.g. intraosseus injections
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3478—Endoscopic needles, e.g. for infusion
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3494—Trocars; Puncturing needles with safety means for protection against accidental cutting or pricking, e.g. limiting insertion depth, pressure sensors
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/10—Parts, details or accessories
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
- A61B2017/3405—Needle locating or guiding means using mechanical guide means
Abstract
The invention relates to an intervertebral foramen navigation puncture component. The intervertebral foramen navigation puncture component comprises a fixing shelf, a guider I and a guider II matched with the fixing shelf for positioning, wherein the guider I is used to puncture in a certain inclination angle, and the guider II is used to puncture horizontally, the fixing shelf comprises a stand column and three beams, the guider I comprises a vertical beam, a horizontal catching groove and a guide pipe I, the guider II comprises a sleeve pipe and a guide pipe II, and the guide pipe I and the guide pipe II are used to install puncture needles. The intervertebral foramen navigation puncture component is low in manufacturing cost, and simple in operation, can effectively guide targeted puncture positioning, and reduces study difficulty of puncture positioning performed by using a percutaneous intervertebral foramen endoscopic technology, reduces puncture failure rate, reduces contact radiation, and reduces risks of radiation to a patient or surgeon, and simultaneously accelerates development of the percutaneous intervertebral foramen endoscopic technology.
Description
Technical field
The present invention relates to intervertebral foramina puncture field, specifically a kind of intervertebral foramina navigation puncture assembly and the intervertebral foramina localised puncture method utilizing this assembly.
Background technology
In percutaneous intervertebral foramina endoscopic technique is implemented, Needle localization is thought core procedure by numerous patients, due to the how accurate localised puncture angle of reason and paracentesis depths such as puncture safe space are narrow and small, anatomical structure is blocked, being the key of operation, is also the steep key reason of percutaneous intervertebral foramina endoscopic technique learning curve.Substantially be free-hand puncture in existing percutaneous intervertebral foramina endoscopic technique implementation process.The shortcoming of the method is that requirement doctor possesses subordinate perception and analyzing and positioning technical ability in the ideation of 3 D stereo after abundant clinical operation experience, MRI diagosis, art.So abecedarian need repeatedly have an X-rayed, increase patient and patient's amount of radiation.Also because of the cause that amount of radiation increases, therefore many patients fear this technology, cause the equipment that have purchased also to be difficult to carry out, instrument and equipment are shelved, causes waste.
Summary of the invention
The technical problem to be solved in the present invention is to provide that a kind of structure is simple, easy to operate, the intervertebral foramina navigation puncture assembly of registration.
For solving the problems of the technologies described above, the construction features of intervertebral foramina navigation puncture assembly of the present invention comprises:
Fixed mount, it comprises the vertical column that arranges and is from top to bottom intervally arranged and the first crossbeam, second cross beam and the 3rd crossbeam that arrange with uprights vertical; The end of first crossbeam and the 3rd crossbeam is rotated respectively by the first sliding sleeve and the 3rd sliding sleeve and be can slide up and down and is connected on column, and the first sliding sleeve and the 3rd sliding sleeve are separately installed with the first positioning knob and the 3rd positioning knob; Second cross beam slip is installed in a sleeve and the axis of this sleeve and uprights vertical is arranged, and the middle part of sleeve is rotated by the second sliding sleeve and be can slide up and down and is connected on column, the second sliding sleeve is installed the second positioning knob; First crossbeam is provided with the 4th crossbeam arranged with uprights vertical, the 4th crossbeam slides and is rotatably connected on first crossbeam, and the 4th crossbeam and the 3rd crossbeam are equipped with scale;
Guider I, it comprises vertical beam and can be located on the 4th crossbeam and the horizontal catching groove be slidably matched with the 4th crossbeam, the bottom of vertical beam is vertical with horizontal catching groove affixed, vertical beam is rotatablely equipped with guide pipe I and guide pipe I by the 6th positioning knob locking rotational angle, install puncture needle with a scale in guide pipe I.
Described first crossbeam is slidably fitted with the 4th sliding sleeve and between the two by the 4th positioning knob latched position, 4th sliding sleeve is vertically connected with bearing pin, 4th crossbeam offering the pin-and-hole that to install with bearing pin and coordinate and this pin-and-hole is the elongate holes extended along the 4th crossbeam length direction, bearing pin being provided with the 5th positioning knob for locking the 4th crossbeam and the 4th sliding sleeve relative position.
Described vertical beam installs at least one auxiliary guide pipe side by side with guide pipe I.
Described 4th crossbeam is the square bar that cross section is square, the L-type plate of described horizontal catching groove to be cross section be inverted L-shaped.
Described vertical beam is provided with protractor, and 90 degree of lines of protractor are vertically arranged and the centre point of protractor overlaps with the rotation mounting points of guide pipe I.
Described piercing assembly also comprises: guider II, it is comprised the sleeve pipe be slidably sleeved on the 4th crossbeam and the guide pipe II be arranged in parallel with sleeve pipe, guide pipe II and to be connected by connecting rod positioning mechanism with between sleeve pipe and between the two by the 7th positioning knob latched position.
Described connecting rod positioning mechanism comprises parallel and spaced two connecting rods, and two ends of every root connecting rod are hinged on sleeve pipe and guide pipe II respectively, and described 7th positioning knob is arranged on one of them pin joint of a wherein connecting rod.
The invention has the beneficial effects as follows: this establishment of component is with low cost, operational approach is simple, and can effectively guide targeting Needle localization, reduce the learning difficulty of Needle localization in the enforcement of percutaneous intervertebral foramina endoscopic technique, lower puncture failure rate, reduce contact radiation, reduce the risk of radiating patient and patient, also promote carrying out of percutaneous intervertebral foramina endoscopic technique simultaneously.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
Fig. 1 is the structural representation of fixed mount in the present invention;
Fig. 2 be this use novel in the plan structure schematic diagram of the 4th crossbeam;
Fig. 3 is the structural representation of guider I in the present invention;
Fig. 4 is the structural representation of guider II in this practicality;
Fig. 5 is the schematic diagram that the vertical beam of guider I and the axis parallel of column arrange to determine puncture angle α;
Fig. 6 is the structural representation that guider I and the 4th beam engagement use;
Fig. 7 is the structural representation that guider II and the 4th beam engagement use;
Fig. 8 is the structural representation of unit simulation location.
Detailed description of the invention
With reference to accompanying drawing, intervertebral foramina navigation puncture assembly of the present invention comprises a fixed mount and two guiders, and wherein, guider I is for having the puncture at certain angle of inclination, and guider II is used for level puncture.
With reference to accompanying drawing, fixed mount comprise the vertical column 1 that arranges and be from top to bottom intervally arranged and with the vertically disposed first crossbeam 2 of column 1, second cross beam 3 and the 3rd crossbeam 4, the end of first crossbeam 2 and the 3rd crossbeam 4 is rotated respectively by the first sliding sleeve 24 and the 3rd sliding sleeve 25 and be can slide up and down and is connected on column 1, and the first sliding sleeve 24 and the 3rd sliding sleeve 25 are separately installed with the first positioning knob 5 and the 3rd positioning knob 6, second cross beam 3 slides and to be installed in a sleeve 7 and the axis of this sleeve 7 is vertical with column 1 arranges, and the middle part of sleeve 7 is rotated by the second sliding sleeve 26 and be can slide up and down and is connected on column 1, the second sliding sleeve 26 is installed the second positioning knob 8, first crossbeam 2 is provided with vertically disposed 4th crossbeam 9 with column 1, 4th crossbeam 9 slides and is rotatably connected on first crossbeam 2, this slip and the concrete structure be rotationally connected are: as shown in Figure 1, first crossbeam 2 is slidably fitted with the 4th sliding sleeve 15 and between the two by the 4th positioning knob 16 latched position, 4th sliding sleeve 15 is vertically connected with bearing pin 27, 4th crossbeam 9 offers the pin-and-hole 28 that to install with bearing pin 27 and coordinate and this pin-and-hole 28 is the elongate holes extended along the 4th crossbeam 9 length direction, bearing pin 27 is provided with the 5th positioning knob 17 for locking the 4th crossbeam 9 and the 4th sliding sleeve 15 relative position.4th crossbeam 9 to be rotatably connected on sliding sleeve 15 and to lock rotational angle by the 5th positioning knob 17 between the two, simultaneously, because pin-and-hole 28 is elongate holes, therefore, 4th crossbeam 9 can slide along bearing pin 27, this slip is also locked by the 5th positioning knob 17, can adjust the length of the 4th crossbeam 9 in the 4th sliding sleeve 15 both sides by this slip.4th crossbeam 9 and the 3rd crossbeam 4 are equipped with scale, and the scale zero on the 4th crossbeam 9 is the end of its overhanging end, i.e. the position of Fig. 1 mid point F, and the scale zero on the 3rd crossbeam 5 overlaps with the axis of column 1, i.e. the position of Fig. 1 mid point k.
With reference to Fig. 3, guider I comprises vertical beam 10 and can be located on the 4th crossbeam 9 and the horizontal catching groove 11 be slidably matched with the 4th crossbeam 9, the square bar that 4th crossbeam 9 is square for cross section, horizontal catching groove 11 for cross section be the L-type plate of inverted L-shaped, L-type plate can be buckled on square bar and can to slide along square bar.The bottom of vertical beam 10 is vertical affixed with horizontal catching groove 11, vertical beam 10 is rotatablely equipped with guide pipe I12 and guide pipe I12 locks rotational angle by the 6th positioning knob 13, installs puncture needle 14 with a scale in guide pipe I12.Vertical beam 10 installs at least one auxiliary guide pipe 18 side by side with guide pipe I12.Vertical beam 10 is provided with protractor 19,90 degree of lines of protractor 19 overlap with the longitudinal axial centerline of vertical beam 10 and the centre point of protractor 19 overlaps with the rotation mounting points of guide pipe I12.In the concrete making of guider I, in order to ensure the accuracy of inserting needle position, need to ensure that puncture needle 14 is close to the 4th crossbeam 9 when puncturing, this arranges and can ensure that puncture needle does not occur crooked in puncture.6th positioning knob 13 can be arranged on the axis of guide pipe 1, thus the rotation mounting points of guide pipe I12 is positioned on its axis.
With reference to Fig. 4, guider II comprises the sleeve pipe 20 be slidably sleeved on the 4th crossbeam 9 and the guide pipe II21 be arranged in parallel with sleeve pipe 20, is connected and between the two by the 7th positioning knob 23 latched position between guide pipe II21 with sleeve pipe 20 by connecting rod positioning mechanism.Connecting rod positioning mechanism comprises parallel and spaced two connecting rods 22, and two ends of every root connecting rod 22 are hinged on sleeve pipe 20 and guide pipe II21 respectively, and the 7th positioning knob 23 is arranged on one of them pin joint of a wherein connecting rod 22.Sleeve pipe 20, guide pipe II21 and two connecting rod 22 form the structure of parallelogram, by hinged, sleeve pipe 20 can regulate with the distance of guide pipe II21, but both remain at the level in a fore-and-aft plane, utilize a pin joint installs the 7th positioning knob 23 wherein can by both locking positions.In guider II, the axis of sleeve pipe 20 and the vertical central axis of guide pipe II21 are on same fore-and-aft plane and be parallel to each other, in order that the longitudinal central line parallel of puncture needle 14 direction of advance and crossbeam 4 after sleeve pipe 21 and on same fore-and-aft plane.
The present invention is applicable to the intervertebral foramina localised puncture of three kinds of situations, introduces one by one respectively below with reference to accompanying drawing.
The first situation for do not determine puncture angle in advance and puncture angle be not 0 degree (not namely being level puncture), patient's horizontal position is on operating-table, with the holder of operation table column 1 is fixed on the side (being decided to be the side that operation implements according to patient data and having a medical check-up) of operation table, position is more than preliminary election point of puncture region, column 1 is vertical with operation table, and first crossbeam 2, second cross beam 3, the 3rd crossbeam 4 adjust in patient side and the far-end of crossbeam points to operation table tail end.
Sacral is determined under C-arm perspective, spinous process also draws the ordinate of spinous process line, the horizontal line being parallel to target intervertebral space is drawn again at body surface, point of puncture is generally positioned at opens 8-10cm place (according to fat or thin appropriateness adjustment) apart from center line (spinous process line) Ipsilateral is other, operation is implemented just to be through this and is put the intervertebral foramina leading to pathological interspinal gap, mark after selected entry point, the selection of point of puncture also should be taken into account individual instances, such as L4/5, in order to avoid ala of ilium during L5/S1 sections, point of puncture generally understands head-end adjustment, now puncture direction and goal gap produces certain angle.
Mobile 3rd crossbeam 4 under C-arm perspective, adjust to the height of itself and target intervertebral foramina sections vertebral body trailing edge line r, first crossbeam 2 the 4th crossbeam 9 structure adjusting that links pastes patient's back skin to the 4th crossbeam 9, adjusting the 4th crossbeam 9 makes it directly over predetermined point of puncture, and namely its top is put F end in normotopia, be positioned at the target intervertebral space upper and lower pedicle of vertebral arch lateral border in side line point of intersection therewith.Because human body surface is not at same plane, so point of puncture is in most cases lower than the 4th crossbeam 9, adjustment second cross beam 3 makes its top reach point of puncture position.Now suppose that point of puncture is A, 4th crossbeam 9 far-end is F, the vertical line then vertical line direction of advance just in time image position of F point through normotopia is done downwards from F point, if the intersection point of itself and target intervertebral foramina sections vertebral body trailing edge line r plane is C, a straight line e is along the direction of the 4th crossbeam 9 through A point, straight line e is parallel with the 4th crossbeam 9 and the vertical line intersection point of itself and F is B, a straight line g is again through AC 2, the angle of itself and straight line e represents with β, the angle of itself and the 4th crossbeam 9 represents with θ, so ∠ β=∠ θ, be right angled triangle by ABC 3 trianglees surrounded, its hypotenuse length is exactly the puncture distance of this intervertebral foramina puncture, puncture path and the 4th crossbeam 9 are on same fore-and-aft plane, the angle of puncture line of direction and straight line e is exactly ∠ β, namely be the ∠ CAB of right angled triangle ABC, therefore ∠ θ=∠ CAB.Make a vertical line along point of puncture A to the 4th crossbeam 9 and suppose that intersection point is H, so the length of HF equals AB.
Suppose the 4th crossbeam 9, second cross beam 3, the 3rd crossbeam 4 and form intersection point i, j, k respectively on the axis of column 1, in follow-up length metering, point i and some k be respectively with the scale on the 4th crossbeam 9 and the 3rd crossbeam 4 with the use of, the scale of the 4th crossbeam 9 and the 3rd crossbeam 4 is arranged on the position of its upper surface.As shown in the figure, in concrete enforcement, 4th crossbeam 9 relies on first crossbeam 2 and is connected with column 1, first crossbeam 2 is connected with column 1 by the first sliding sleeve 24, and therefore, the length of first sliding sleeve 24 first half suitably lengthens, make invocation point i be marked at the first sliding sleeve 24 top and meet some i concordant with the upper surface of the 4th crossbeam 9, same, some k is marked at the top of the 3rd sliding sleeve 25, and it is concordant with the upper surface of the 3rd crossbeam 4.Point j is then marked at the center of sleeve 7.
It is some m that 3rd crossbeam 4 is got, require that km length equals HF, by the virtual straight line of jm 2, due to first crossbeam 2, second cross beam 3, 3rd crossbeam 4 is vertical relation with column 1, parallel relation each other, so the triangle jkm of composition is right angled triangle, and the length of straight flange jk equals the BC limit of triangle ABC, straight flange km length equals the BA limit of triangle ABC, be exactly so that right angled triangle jkm is completely equal with right angled triangle ABC, ∠ jmk is equal with ∠ CAB, again because second cross beam 3 is parallel with the 3rd crossbeam 4 so ∠ jmk is equal with ∠ α, therefore ∠ α=∠ CAB=∠ β=∠ θ.
As shown in Figure 5, get guider I, unclamp the 6th positioning knob 13, by vertical beam 10 longitudinal axial centerline of guider I and column 1 axis parallel, the rotation mounting points (being also the centre point of angle measurement equipment 19) of guide pipe I12 overlaps with j point, pass the m point of arrival the 3rd crossbeam 4 along guide pipe I12 with puncture needle 14 with a scale, now, screw the angle that namely the 6th positioning knob 13 locks guide pipe I12 and second cross beam 3, this angle is namely equal with the ∠ α in Fig. 8, its also with guide pipe I12 on protractor the angle value of gained equal, i.e. angle=∠ α=∠ θ of now guide pipe I12 protractor, the length of jm can be obtained according to the scale of puncture needle.
As shown in Figure 6, the guider I locking guide pipe I12 is located on the 4th crossbeam 9, the horizontal catching groove 11 of guider I is stuck on the 4th crossbeam 9, the horizontal catching groove 11 of guider I is parallel with the 4th crossbeam 9 also parallel with straight line e, the lateral surface being close to the 4th crossbeam 9 by the puncture needle 14 of guide pipe I12 is moved ahead with straight line character, and the angle number of degrees equal ∠ α=∠ β=∠ θ of puncture needle 14 and the 4th crossbeam 9 and straight line e, sliding guide I on the 4th crossbeam 9, point of puncture position and the A point of preliminary election is arrived on the top adjusting to puncture needle 14, advance puncture needle 14, because equal by the angle number of degrees of the puncture needle 14 of locked guide pipe I12 and the 4th crossbeam 9 and straight line e is ∠ α=∠ β=∠ θ, and the lateral surface of the 4th crossbeam 9 is close to by puncture needle 14, namely at same plane, so continue to advance its propelling path of puncture needle 14 to overlap with the puncture path of simulating in body and straight line g, also overlap with the AC limit of right angled triangle ABC, record puncture needle 14 enters the length in body, when length close to or when arriving the length on jm limit of preceding mark, so the tip of puncture needle close to or arrive the scope of the C point preset in body, namely the lower normotopia of C-arm perspective is positioned at the target intervertebral space upper and lower pedicle of vertebral arch lateral border in side line point of intersection therewith, front end, position, side is on target intervertebral foramina sections vertebral body trailing edge line r.
Auxiliary guide pipe 18 uses as giving anaesthetic near intervertebral foramina after giving local anesthetic or success in piercing process, in order that be that anaesthetic range of scatter is larger, makes local anaesthesia medicine closer to the superior articular process of place intervertebral foramina and pedicle of vertebral arch superior thyroid notch.
Second case is for determining puncture angle in advance and this puncture angle is not 0 degree (not namely being level puncture), this is because there is scholar's research to think, puncture needle 14 is by being carry out in certain angular range during intervertebral foramina, so now just according to patient in certain the suitable angle selected by imaging data research, so just can adjust to this suitable angle according to protractor.Now need by protractor 19, with reference to protractor 19, rotate angle adjustment that guide pipe I12 makes it on protractor to pre-puncture angle, following operating process is exactly go to determine point of puncture and paracentesis depth according to this given angle, fixed mount operation is as front, get the guider I mixing up given angle, adjustment vertical beam 10 longitudinal axial centerline and column 1 axis parallel, the centre point height adjustment of angle measurement equipment 19 is to the position overlapped with i point, by puncture needle 14 from guide pipe I12 through certain arrival the 3rd crossbeam 4 a bit, also the position of aforesaid m point is namely equivalent to, suppose that this point is m ' point, not shown, record the length of this o'clock at the 3rd crossbeam 4, and record puncture needle 14 from i point to the distance of this point, this distance is paracentesis depth, then on the 4th crossbeam 9, corresponding length point is found, make the length from F point to the Distance geometry km ' of this corresponding length point equal, namely this corresponding point on the 4th crossbeam 9 is equivalent to g line and the 4th crossbeam 9 in Fig. 8 and forms the vertex position of angle theta, again guider I is placed on afterwards on the 4th crossbeam 9, draw-in groove card is good, vertically move guider I, be adjusted to the respective point that the puncture needle 14 through guide pipe I12 is demarcated on the 4th crossbeam 9, under advancing puncture needle 14 to enter skin, continue to advance, length is advanced to count by the point of intersection of puncture needle 14 and the 4th crossbeam 9, reach puncture needle 14 that namely predetermined length preview from i point to the 3rd crossbeam 4 m ' put length time, now puncture successfully, namely puncture needle has reached target intervertebral foramina relevant position by a predetermined angle.
The third situation for when demand puncture angle reaches 0 °, when namely level punctures, just requires puncture needle 14 parallel with the 4th crossbeam 9, guider I above the 4th crossbeam 9 based on, obviously inapplicable, so now guider II can complete this operation.Concrete steps are: early-stage preparations are as front, i.e. the 3rd crossbeam 4, 4th crossbeam 9 all reaches target location and fixes, get guider II, sleeve pipe 20 is enclosed within the 4th crossbeam 9, unclamp the 7th positioning knob 23, guider II is made to be adjustable parallelogram, the height of puncture needle 14 in adjustment guide pipe II21, height is highly the top edge of the 3rd crossbeam at the vertebral body trailing edge line r of target intervertebral foramina, screw the 7th positioning knob 23, make its each distance relation constant, puncture needle 14 now through guide pipe II21 is parallel with the 4th crossbeam 9, level moves ahead, height is the vertebral body trailing edge line r of target intervertebral foramina, 4th crossbeam 9 there is scale to indicate, select a point thereon, require that the straight line perpendicular through this point goes out the top of pin end just by locked guide pipe II21, this so selected o'clock is exactly the distance that guide pipe II21 goes out that pin end arrives predetermined target position to the distance of the 4th crossbeam 9 top and F, namely puncture depth of needle.
Claims (7)
1. an intervertebral foramina navigation puncture assembly, is characterized in that comprising:
Fixed mount, it comprise the vertical column (1) that arranges and be from top to bottom intervally arranged and with column (1) vertically disposed first crossbeam (2), second cross beam (3) and the 3rd crossbeam (4); The end of first crossbeam (2) and the 3rd crossbeam (4) is rotated respectively by the first sliding sleeve (24) and the 3rd sliding sleeve (25) and be can slide up and down and is connected on column (1), and the first sliding sleeve (24) and the 3rd sliding sleeve (25) are separately installed with the first positioning knob (5) and the 3rd positioning knob (6); Second cross beam (3) slides and is installed on that in a sleeve (7) and the axis of this sleeve (7) is vertical with column (1) to be arranged, the middle part of sleeve (7) is rotated by the second sliding sleeve (26) and be can slide up and down and is connected on column (1), upper installation second positioning knob (8) of the second sliding sleeve (26); First crossbeam is provided with vertically disposed 4th crossbeam (9) with column (1), 4th crossbeam (9) slides and is rotatably connected on first crossbeam (2), and the 4th crossbeam (9) and the 3rd crossbeam (4) are equipped with scale;
Guider I, it comprises vertical beam (10) and can be located in the upper and horizontal catching groove (11) be slidably matched with the 4th crossbeam (9) of the 4th crossbeam (9), the bottom of vertical beam (10) is vertical affixed with horizontal catching groove (11), vertical beam (10) is rotatablely equipped with guide pipe I (12) and guide pipe I (12) by the 6th positioning knob (13) locking rotational angle, install puncture needle (14) with a scale in guide pipe I (12).
2. intervertebral foramina navigation puncture assembly as claimed in claim 1, it is characterized in that described first crossbeam (2) being slidably fitted with the 4th sliding sleeve (15) and pass through the 4th positioning knob (16) latched position between the two, 4th sliding sleeve (15) is vertically connected with bearing pin (27), 4th crossbeam (9) offers the pin-and-hole (28) that to install with bearing pin (27) and coordinate and this pin-and-hole (28) is the elongate holes extended along the 4th crossbeam (9) length direction, bearing pin (27) is provided with the 5th positioning knob (17) for locking the 4th crossbeam (9) and the 4th sliding sleeve (15) relative position.
3. intervertebral foramina navigation puncture assembly as claimed in claim 1, is characterized in that on described vertical beam (10) and guide pipe I (12) installs at least one auxiliary guide pipe (18) side by side.
4. intervertebral foramina navigation puncture assembly as claimed in claim 1, is characterized in that the square bar that described 4th crossbeam (9) is square for cross section, described horizontal catching groove (11) for cross section be the L-type plate of inverted L-shaped.
5. intervertebral foramina navigation puncture assembly as claimed in claim 1, it is characterized in that described vertical beam (10) is provided with protractor (19), 90 degree of lines of protractor (19) are vertically arranged and the centre point of protractor (19) overlaps with the rotation mounting points of guide pipe I (12).
6. the intervertebral foramina navigation puncture assembly according to any one of claim 1-5, it is characterized in that described piercing assembly also comprises: guider II, it comprises the sleeve pipe (20) be slidably sleeved on the 4th crossbeam (9) and the guide pipe II (21) be arranged in parallel with sleeve pipe (20), is connected and between the two by the 7th positioning knob (23) latched position between guide pipe II (21) with sleeve pipe (20) by connecting rod positioning mechanism.
7. intervertebral foramina navigation puncture assembly as claimed in claim 6, it is characterized in that described connecting rod positioning mechanism comprises parallel and spaced two connecting rods (22), two ends of every root connecting rod (22) are hinged on sleeve pipe (20) and guide pipe II (21) respectively, and described 7th positioning knob (23) is arranged on one of them pin joint of a wherein connecting rod (22).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510247263.7A CN104814773B (en) | 2015-05-11 | 2015-05-11 | Intervertebral foramen navigation puncture component |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510247263.7A CN104814773B (en) | 2015-05-11 | 2015-05-11 | Intervertebral foramen navigation puncture component |
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| CN104814773A true CN104814773A (en) | 2015-08-05 |
| CN104814773B CN104814773B (en) | 2017-07-04 |
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| CN201510247263.7A Expired - Fee Related CN104814773B (en) | 2015-05-11 | 2015-05-11 | Intervertebral foramen navigation puncture component |
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| DE4200748A1 (en) * | 1992-01-14 | 1993-07-15 | S Paul Kamaljit | Stereo-tactile device for aligning puncturing instrument on target - locates device in back region of patient body comprising rectangular baseplate and two mutually parallel guide rails arranged spaced inwards from two parallel sides. |
| CN2542216Y (en) * | 2002-04-23 | 2003-04-02 | 张智慧 | Percutaneous lumbar intervertebral disc extirpation puncture position finder |
| CN101239006A (en) * | 2008-03-07 | 2008-08-13 | 房风锁 | Intervertebral disk puncture locator |
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| Publication number | Publication date |
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| CN104814773B (en) | 2017-07-04 |
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