CN209332216U - Multi-functional controllable depth oval foramen guiding device for interventional therapy - Google Patents
Multi-functional controllable depth oval foramen guiding device for interventional therapy Download PDFInfo
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- CN209332216U CN209332216U CN201821934751.0U CN201821934751U CN209332216U CN 209332216 U CN209332216 U CN 209332216U CN 201821934751 U CN201821934751 U CN 201821934751U CN 209332216 U CN209332216 U CN 209332216U
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- positioning plate
- conduit
- guiding device
- interventional therapy
- oval foramen
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Abstract
The utility model discloses the multi-functional controllable depth oval foramen guiding device for interventional therapy in medical instruments field, including plate body and the conduit being connected on plate body, the plate body includes covering to cover nose on nose, the left-hand end for covering nose, right-hand end extend outward and form architrave portion, extend downwards positioned at the architrave portion covered on the left of nose and form puncture portion, the conduit is located in puncture portion.The utility model can solve the problem of that oval foramen punctures intervention in the prior art and need manual control direction, angle and depth there are higher fault rates.
Description
Technical field
The utility model relates to medical instruments fields, and in particular to a kind of multi-functional controllable depth oval foramen intervention guidance
Device.
Background technique
Foramen of cranial base is located at the both sides of fossa cranii media, has trigeminal neuralgia in the inside rear of ala magna ossis sphenoidalis, oval foramen
Pass through, trigeminal neuralgia is the most coarse cranial nerve of encephalic a pair, to mix nerve.Trigeminal neuralgia is divided into ramus ophthalmicus, upper jaw mind again
Through and mandibular nerve three, wherein mandibular nerve goes out cranium via oval foramen.Trigeminal neuralgia refers to face trigeminal neuralgia distributed area
The violent neuralgia of the paroxysmal of interior recurrent exerbation, is one of difficult and complicated cases generally acknowledged both at home and abroad, and when breaking-out such as lightning shape, knife cut one
As, it is difficult to it endures.Speak, brush teeth or gentle breeze strokes face Shi Douhui leads to throe, affected nerves of patients with trigeminal neuralgia therefore dare not often wipe face, into
Food, or even saliva dare not also swallow, to seriously affect normal life and work.
The therapeutic modality of existing trigeminal neuralgia includes drug therapy, Trigeminal Semilunar Ganglion Radio frequency thermoset and through cranium
Trigemino-vascular decompression, wherein Trigeminal Semilunar Ganglion Radio frequency thermoset is the important method for treating trigeminal neuralgia,
Operating process is that inserting needle is punctured from oval foramen by CT guidance, conducting surface in the destruction semilunar ganglion for target spot selectivity of going directly
The fine fibre of portion's pain sensation saves the crude fibre of conduction tactile, achievees the effect that analgesic retains facial perception again at once.
Puncture process requires to guarantee higher inserting needle accuracy, and the prior art mostly uses imaging tool to see by perspective radiation
Inserting needle direction and angle are examined, to guarantee that inserting needle is accurate, there is still a need for manual control direction, angle and depth in actual mechanical process,
There are higher fault rates, and operating time is longer, and the perspective amount of radiation that imaging tool generates can cause to damage to patient;Also have
Inserting needle guiding is carried out using external guide plate and the conduit being integrally formed on guide plate, but under guide plate is undesirable during surgery,
It is not easy to the progress of operation, is especially not easy to the observation to inserting needle position, so that surgical error rate is higher, the face of patient is comfortable
Degree impression is also poor.
Utility model content
The utility model is intended to provide multi-functional controllable depth oval foramen guiding device for interventional therapy, to solve oval in the prior art
Hole punctures intervention and needs manual control direction, angle and depth, there are problems that higher fault rate.
In order to achieve the above objectives, the basic technology scheme of the utility model is as follows: multi-functional controllable depth oval foramen intervention
Guiding device, including plate body and the conduit being connected on plate body, plate body includes covering to cover nose on nose, covers the left side of nose
End, right-hand end extend outward and form architrave portion, extend downwards positioned at the architrave portion covered on the left of nose and form puncture portion, described to lead
Pipe is located in puncture portion.
Using the above structure, in practical application, first carrying out CT scan to patient, acquiring its face and corresponding bone letter
Breath, then three-dimensional modeling determines inserting needle position, direction and depth, then forms plate body and conduit by 3D printing;In operation, it will disappear
The face of poison treated plate body button overlays on patient, it is naturally fixed by the face structure of patient, it is used to cover wherein covering nose
On the outside of patient nose, positioning is realized using the position of the three-dimensional shape limitation plate body of nose;Architrave portion is for being covered on patient
On the outside of cheek, be bonded the position stability of enhancing plate body using with cheek, and make patient facial region's skin holding nature;It wears
Thorn portion is for carrying out setting positioning to site of puncture, convenient for accurately being punctured;Each position, which matches, to be realized plate body and suffers from
Person's face fitting, to be positioned to soft tissues such as skins near inserting needle position;And conduit be then used for inserting needle position, into
Needle direction and depth of needle are determined and guide.
This programme also has the advantage that
(1), the multi-functional controllable depth guiding device of the oval foramen correlation intervention operation of this programme design can be suitable for more
Kind intervention class, the common neurosurgery/Pain Management related surgical such as electro photoluminescence for puncturing class or nerve block injection;
(2), this programme can use the depth of needle of specific target measured place in software, and then generating can
Catheter navigation structure with protection length, so that inserting needle depth capacity can be made to be no more than design when creating using the invention
Limiting value, and then patient, reduction operation risk are protected by this mechanism;
(3), the inserting needle direction of this programme is the access from skin to target, avoids bony structure, increases hand
Art success rate, and then operating time is shortened, reduce the use of imaging tool, reduce perspective amount of radiation, reduces patient's damage
Wound;
(4), the mask configuration of this programme has been bonded the structures such as the nose of patient, cheekbone completely, and hollowed out eyes, mouth etc.
Position, with the smallest structure, most light weight in kind reaches the function of positioning auxiliary.
Further, plate body is detachably connected and is formed by the first positioning plate and the second positioning plate, and conduit is detachably connected on
The seam crossing of one positioning plate and the second positioning plate.Plate body and conduit are set in this way, had the advantage that
(1), plate body can be divided into two along conduit, and plate body can be dismantled with conduit and be separated, and complete in operation inserting needle
After, it can be by releasing the connection between the first positioning plate and the second positioning plate, to plate body be removed from face, and then will
Conduit is removed from intervention needle body, be may be implemented only to stay intervention needle body in patient facial region, is on the one hand more convenient for observing inserting needle position
Facial situation, facilitate subsequent surgical procedure, reduce surgical error rate;On the other hand plate body is avoided to be covered on patient for a long time
Face is conducive to the comfort level for improving operation;In another aspect, the interference of plate body and conduit to needle body is avoided when taking needle,
Further be conducive to improve surgical effect;
(2), conduit and plate body are detachably connected, and be can be convenient and are combined the conduit of different size with plate body, such as different
The conduit of length, different inner diameters;This is because being carried out in actual therapeutic to patient, it is understood that there may be a kind of intervening mode can not reach
The case where to therapeutic effect, generally requires replacement intervention apparatus, and different intervention apparatus sizes is also different, therefore can lead to
The conduit for being just equipped with plurality of specifications to same plate body in 3D printing plate body and conduit is crossed, is restricted to avoid single due to conduit
The problem of intervention apparatus is replaced.
Further, it is equipped with first connecting portion in the lower part of conduit, is mutually butted in the first positioning plate and the second positioning plate
Edge is equipped with second connecting portion, and first connecting portion is detachably connected with second connecting portion.Pass through the first positioning plate and the in this way
Second connecting portion on two positioning plates carries out positioning and directing connection to supravasal first connecting portion simultaneously, can effectively ensure that conduit
Accurate positioning, ensure the accuracy of inserting needle.
Further, first connecting portion is the annular groove circumferentially opened up on conduit outer wall, second connecting portion first
The boss of outwardly convex, boss can be caught in annular groove in the middle part of positioning plate and the second positioning plate corresponding edge.As preferably adopting
The connection of conduit and plate body is realized with such structure, it is more stable, accurate and easy to operate to connect, and production and processing is convenient, sterilizes
It is more convenient, thorough.
Further, it is equipped at least one third interconnecting piece on the first positioning plate, is equipped on the second positioning plate and third
One-to-one 4th interconnecting piece of interconnecting piece is removably connected with connection between third interconnecting piece and corresponding 4th interconnecting piece
Part.As preferably connecting third interconnecting piece and corresponding 4th interconnecting piece by connector, and then the first positioning plate of realization and the
Two positioning plates are fixedly connected, guarantee plate body can be stable while being fitted in patient facial region, make the first positioning plate with second determine
The separation of position plate is more easier, is more convenient.
Further, the stud that each third interconnecting piece is integrally formed on the first positioning plate, each described 4th
Interconnecting piece is also integrally formed the stud on the second positioning plate, and the connector includes connecting rod, the both ends of the connecting rod
It is connected with the attachment cap that can be overlayed on along same angle button on corresponding stud.Using the third interconnecting piece of stud form and
Four interconnecting pieces, and the connecting rod that band connection cap is arranged is being performed the operation as the connector between third interconnecting piece and the 4th interconnecting piece
After the completion of inserting needle, when needing to release the connection between the first positioning plate and the second positioning plate, it is only necessary to along the protrusion direction of stud
It exerts a force, can remove it to connector, and then realize the removal of plate body, patient facial region will not be caused to squeeze in operating process
Pressure, will not bring interference to the needle body of intervention, and simple and efficient to handle, do not influence procedure efficiency, structure are simple, production is easy,
Convenient for thorough disinfection.
Further, conduit is detachably spliced by least two channel-shaped bodies.As preferably allow in this way conduit from
The outer circumferential of needle is directly separated, the removal of the rear tube of more convenient inserting needle completion.
Fastening piece is equipped in the catheter jacket.Keep the conduit being spliced more reliable and more stable.
Further, several air holes are offered on the first positioning plate and the second positioning plate, are corresponded on the first positioning plate
The position in nostril is also provided with spiracle.It can guarantee as being preferably provided with after air hole not only makes plate body be covered on patient facial region
Skin of face is ventilative, so that patient facial region's comfort level is more preferable, and is conducive to reduce plate body material consuming, lightened plate floor body weight;
Spiracle is convenient for patient respiratory, and plate body is avoided to impact patient's eupnea.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar
Element or part are generally identified by similar appended drawing reference.In attached drawing, each element or part might not be according to actual ratios
It draws.
Fig. 1 is the schematic diagram of the utility model embodiment.
Fig. 2 is the cross-sectional view of conduit, the first positioning plate and the second positioning plate junction in the utility model embodiment.
Appended drawing reference: the first positioning plate 1, cover nose 11, architrave portion 12, the second positioning plate 2, conduit 3, annular groove 31,
Stud 4, attachment cap 5, connecting rod 6, boss 7.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solutions of the utility model.Following embodiment is only
For clearly illustrating the technical solution of the utility model, therefore it is only used as example, and it is originally practical to cannot be used as a limitation limitation
Novel protection scope.
In the description of the present application, it is to be understood that term " on ", "front", "rear", "left", "right", " is erected at "lower"
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside", " circumferential direction " is side based on the figure
Position or positional relationship, are merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning
Or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.
As depicted in figs. 1 and 2, multi-functional controllable depth oval foramen guiding device for interventional therapy, including plate body and be detachably connected on
Conduit 3 on plate body, the plate body include covering to cover nose 11, the left-hand end for covering nose 11, right-hand end on nose
Extend outward and form architrave portion 12, positioned at the architrave portion 12 for covering the left side of nose 11 (on the basis of patient itself orientation) to
Downward spread is located in puncture portion at puncture portion, the conduit 3.Plate body is detachable right by the first positioning plate 1 and the second positioning plate 2
It connects to be formed, wherein the first positioning plate 1 includes covering nose 11, the architrave portion 12 on right side, the architrave portion 12 of partial left side and part to wear
Thorn portion, the second positioning plate 2 include the architrave portion 12 and part puncture portion of partial left side.Conduit 3 is detachably connected on the first positioning
The seam crossing of plate 1 and the second positioning plate 2.
The lower part of conduit 3 is equipped with first connecting portion, equal at the edge that the first positioning plate 1 and the second positioning plate 2 are mutually butted
Equipped with second connecting portion, first connecting portion is detachably connected with second connecting portion.The first connecting portion and second connecting portion
Concrete mode without limitation, the material of the comprehensive plate body of those skilled in the art and conduit 3, processing cost and surgical instrument
The factors such as relevant design principle select mechanical connecting structure existing, applicatory.The preferred first connecting portion of the present embodiment
For the annular groove 31 circumferentially opened up on 3 outer wall of conduit, second connecting portion is that the first positioning plate 1 and the second positioning plate 2 are right
The boss 7 of marginal center outwardly convex is answered, boss 7 can be caught in annular groove 31.
It is equipped at least one third interconnecting piece on the first positioning plate 1, is equipped with and third interconnecting piece on the second positioning plate 2
One-to-one 4th interconnecting piece is removably connected with connector between third interconnecting piece and corresponding 4th interconnecting piece.Institute
State the concrete mode of third interconnecting piece, the 4th interconnecting piece and connector without limitation, those skilled in the art's comprehensive process cost,
The factors such as the relevant design principle of surgical instrument select mechanical connecting structure existing, applicatory.And third connects
The quantity of portion and the 4th interconnecting piece without limitation, is arranged according to the actual situation, preferably in the first positioning plate 1 and the second positioning plate
2 butt-welded side seam both ends are respectively provided with one group of third interconnecting piece and the 4th interconnecting piece.The preferably each third interconnecting piece of the present embodiment is one
The body formed stud 4 on the first positioning plate 1, the stud that every one the 4th interconnecting piece is also integrally formed on the second positioning plate 2
4.The specific moulding of stud 4 without limitation, can be it is cylindric, be also possible to up-small and down-big cone, can also be small
Big stepped cylindrical down.The connector includes connecting rod 6, and the both ends of connecting rod 6 are connected with can be along same angle button
The attachment cap 5 on corresponding stud 4 is overlayed on, the inner hole of attachment cap 5 matches with the shape of stud 4, to ensure 1 He of the first positioning plate
The stable connection of second positioning plate 2 is reliable.In actual use, connector can be designed as general standard component, in molding plate body
When, the stud 4 on the first positioning plate 1 and the second positioning plate 2 is designed as being adapted with the connector of standard;When
So, connector and stud 4 are also possible to the length and moulding customized according to the facial characteristics of each patient;The material of the connector
Matter and production method also without limitation, can be the 3D printing as plate body and form, and be also possible in addition molded.
Conduit 3 is detachably spliced by two channel-shaped bodies, and the connection type between two channel-shaped bodies can be on the outside
Winding, binding and fixing, be also possible to process tenon structure between the docking end face of two channel-shaped bodies, cutting inserting slot construction etc. can be just
The connection of victory separation.The present embodiment is preferably equipped with fastening piece, such as rubber ring, adhesive plaster, lantern ring in catheter jacket.
Several air holes are offered on the first positioning plate 1 and the second positioning plate 2, correspond to nostril on the first positioning plate 1
Position be also provided with spiracle.
Specific implementation process is as follows:
It is carried out making multi-functional controllable depth oval foramen guiding device for interventional therapy according to patient characteristics:
(1) data acquire: using thin layer CT scan, Scan slice thickness 0.75mm is arranged, scanning element 512 × 512 obtains and suffers from
The incidence data of person;
(2) it imports three-dimensional reconstruction software: the data generated in step (1) being imported into three-dimensional reconstruction software, establish incidence
The three-dimensional stereo model of bone, specific steps are as follows:
A. first by CT scan layer data in dicom format or picture format import three-dimensional reconstruction software;
B. the threshold value for then choosing bone, rebuilds monochromatic model of bone, and the bony structure dispelled and selected is disjunct
Region, and use specific reconstruction mode reconstruction threedimensional model;And make the skeletal structure reconstructed high-visible.
(3) intervention target spot is chosen, and establishes simulation intervention route, specific steps are as follows:
C. it returns in CT layer data, definition punctures target (oval foramen).
D. according to target, using this point as starting point, intervention route is virtually drawn to outside patient's head in Three Dimensional Interface
Direction, it is ensured that this route does not touch any bony structure modeled, it is ensured that intervention route it is without hindrance.
E. this route diameter is set as 0.7mm, to simulate the length and diameter that operation uses intervening equipment, convenient for subsequent
For the control of intervention depth in step.
(4) skin of patient and the model of other soft tissues are established, step is similar to (2).
(5) it is starting point according to the contact point (inserting needle position) of analog line and skin, is eventually with oval foramen target
Point, measuring accurate depth of needle is 82mm.The total length of inserting needle route is set as 100mm at this time, this length is common puncture
Needle full-length, thus can calculate the external remaining length of patient should be 18mm.
(6) it generates the guide-tube structure part of multi-functional controllable depth oval foramen guiding device for interventional therapy: according to step (5), establishing
Length is the cannula structure of 18mm, and accurate control intervention depth is no more than target, reduces operation risk.
(7) facial parts of guiding device are generated: the skin model in step (4) being carried out to expand thickness 4mm, and and patient
Original skin model carry out boolean's subtraction, obtain fitting patient's face structure (including nose, eye socket, cheekbone) mask
Part, and being cut, by around forehead, eyes, the positions such as ear, lip dispel, and reserve center of circle phase in remaining structure
Away from several circular holes in about 12mm, mask is covered.
(8) cannula structure in the mask part of guiding device and step (6) is done into union operation, it is controllable ultimately generates depth
Multi-functional oval foramen guiding device for interventional therapy.
(9) it is processed by mathematical model using CNC or 3D printing technique generates guiding device in kind.
Guiding device in kind: plate body is the mask template ontology of fitting patient facial region's structure completely, and plate body height is no more than eyebrow
Bone is no more than forehead, and mask can integrally cover nose, cheekbone and intervention target site, and plate body includes the first positioning plate, second
Positioning plate, stud.Interposing catheter structure is internal diameter 0.7mm, outer diameter 4mm, total length 18mm.
Oxirane disinfection will be used after multi-functional guiding device for interventional therapy, connector, conduit plastic packaging.
It finally delivers and is clinically used for a variety of operations uses such as electro photoluminescence relevant to oval foramen or injection, it is multi-functional to embody its
Characteristic.
When clinical operation, two channel-shaped bodies are spliced into the conduit 3 of tubular, the annular groove 31 of 3 lower part of conduit is snapped into
On boss 7 on first positioning plate 1, then the second positioning plate 2 is snapped into outside conduit 3 from the other side, so that conduit 3 is connected to
Between one positioning plate 1 and the second positioning plate 2, then the attachment cap 5 at 6 both ends of connecting rod is buckled on corresponding stud 4 simultaneously, i.e.,
First positioning plate 1 and the second positioning plate 2 can be fixedly connected to form complete plate body, then according to the anatomic structures of patient by plate
Body is fixed on patient facial region naturally, and by accurately calculating reserved conduit 3, electro photoluminescence needle or injection needle are inserted into target
Point.After the completion of inserting needle, connecting rod 6 is axially removed along stud 4, the second positioning plate 2 and the first positioning plate 1 can be divided
From from the removal of the outside of needle after further splitting conduit 3, so that plate body and conduit are removed, convenient for subsequent procedures operation, raising
Operation comfort.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System;Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced;And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type, should all cover in the claim of the utility model and the range of specification.
Claims (9)
1. a kind of multi-functional controllable depth oval foramen guiding device for interventional therapy, it is characterised in that: including plate body and be connected on plate body
Conduit, the plate body include the nose that covers covered on nose, and the left-hand end for covering nose, right-hand end extend outward and formed
Architrave portion extends downwards positioned at the architrave portion covered on the left of nose and forms puncture portion, and the conduit is located in puncture portion.
2. multi-functional controllable depth oval foramen guiding device for interventional therapy according to claim 1, it is characterised in that: the plate body by
First positioning plate and the second positioning plate are detachably connected to be formed, and the conduit is detachably connected on first positioning plate and second
The seam crossing of positioning plate.
3. multi-functional controllable depth oval foramen guiding device for interventional therapy according to claim 2, it is characterised in that: in the conduit
Lower part be equipped with first connecting portion, be equipped with the second connection at the edge that first positioning plate and the second positioning plate are mutually butted
Portion, the first connecting portion are detachably connected with the second connecting portion.
4. multi-functional controllable depth oval foramen guiding device for interventional therapy according to claim 3, it is characterised in that: described first connects
Socket part is the annular groove circumferentially opened up on conduit outer wall, and the second connecting portion is first positioning plate and described the
The boss of outwardly convex, the boss can be caught in the annular groove in the middle part of two positioning plate corresponding edges.
5. the multi-functional controllable depth oval foramen guiding device for interventional therapy according to Claims 2 or 3 or 4, it is characterised in that: in institute
The first positioning plate is stated equipped at least one third interconnecting piece, is equipped on second positioning plate a pair of with third interconnecting piece one
The 4th interconnecting piece answered is removably connected with connector between the third interconnecting piece and corresponding 4th interconnecting piece.
6. multi-functional controllable depth oval foramen guiding device for interventional therapy according to claim 5, it is characterised in that: each described
Three interconnecting pieces are integrally formed the stud on the first positioning plate, and each 4th interconnecting piece is also integrally formed fixed second
Stud on the plate of position, the connector includes connecting rod, and the both ends of the connecting rod are connected with can be along same angle button
Overlay on the attachment cap on corresponding stud.
7. the multi-functional controllable depth oval foramen guiding device for interventional therapy according to Claims 2 or 3 or 4, it is characterised in that: described
Conduit is detachably spliced by least two channel-shaped bodies.
8. multi-functional controllable depth oval foramen guiding device for interventional therapy according to claim 7, it is characterised in that: in the conduit
It is arranged with fastening piece outside.
9. multi-functional controllable depth oval foramen guiding device for interventional therapy according to claim 8, it is characterised in that: described first
Several air holes are offered on positioning plate and second positioning plate, the position that nostril is corresponded on first positioning plate is also opened
Equipped with spiracle.
Priority Applications (1)
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CN201821934751.0U CN209332216U (en) | 2018-11-21 | 2018-11-21 | Multi-functional controllable depth oval foramen guiding device for interventional therapy |
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CN201821934751.0U CN209332216U (en) | 2018-11-21 | 2018-11-21 | Multi-functional controllable depth oval foramen guiding device for interventional therapy |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109223137A (en) * | 2018-11-21 | 2019-01-18 | 深圳悟恫三维科技有限公司 | Multi-functional controllable depth oval foramen guiding device for interventional therapy |
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2018
- 2018-11-21 CN CN201821934751.0U patent/CN209332216U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109223137A (en) * | 2018-11-21 | 2019-01-18 | 深圳悟恫三维科技有限公司 | Multi-functional controllable depth oval foramen guiding device for interventional therapy |
CN109223137B (en) * | 2018-11-21 | 2024-06-07 | 深圳悟恫三维科技有限公司 | Multifunctional depth-controllable oval hole interventional guide |
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