CN203400211U - Non-invasive navigation and positioning device for operation - Google Patents
Non-invasive navigation and positioning device for operation Download PDFInfo
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- CN203400211U CN203400211U CN201320442827.9U CN201320442827U CN203400211U CN 203400211 U CN203400211 U CN 203400211U CN 201320442827 U CN201320442827 U CN 201320442827U CN 203400211 U CN203400211 U CN 203400211U
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- guard
- invasive
- optical reflector
- reflector base
- telltale mark
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Abstract
The utility model discloses a non-invasive navigation and positioning device for an operation. The non-invasive navigation and positioning device comprises a mesh, a positioning mark nail and an optical reflector base, wherein the mesh is made of thermoplastic plastic and provided with dense circular holes; the positioning mark nail is of a dumbbell shape, wherein the two ends of the dumbbell protrude and the middle of the dumbbell is sunk, and the inner portion of the positioning mark nail is of a hollow structure and used for containing MRI identifiable liquid; the optical reflector base comprises a substrate and a needle-shaped structure, wherein the needle-shaped structure is used for being inserted into an optical reflection sphere. The non-invasive navigation and positioning device has the advantages that in the positioning process, the optical reflector base and the positioning mark nail are arranged on the mesh, so that wounds to a patient are avoided; the thermoplastic mesh can be used for any part of the body of the patient and be clipped freely, so that an operative region can be prevented from being influenced; the placement of the optical reflector base and the positioning mark nail is not limited by an anatomical structure, and therefore the optical reflector base and the positioning mark nail can be arranged on any appropriate part in coordination with the operation.
Description
Technical field
This utility model relates to surgical navigational field of locating technology, more particularly, relates to a kind of non-invasive navigating surgery positioner.
Background technology
Operation guiding system can instruct patient to pass judgment on the position of operating theater instruments on human body on the basis of as far as possible little otch, and then improves the precision of operation, avoids unnecessary damage.The basis that determines operation guiding system successful Application is the degree of accuracy of navigation system, and the biggest factor that affects Positioning System Error is selection and the registration of reference coordinate.Often adopt clinically optical navigation system, on human body, first need to settle a fixing optical reflector base in position to place optical reflection ball, then place registered placement point.Owing to dissecting the precision relative mistake of anchor point, adopt clinically additional anchor point more.
The method of clinical middle custom is directly optical reflector base and additional registered placement point to be fixed on to patient's body surface to position, and this method and thinking are being used for a long time due to directly perceived and easy to operate in clinical, but obvious this method can be brought wound to patient.In the navigating surgery at jaw face, need place with the optical reflector base of retention pin and place optical reflection ball on volume top, at cheekbone facial bone or alveolar bone etc., locate implanted metal locating pin in advance again, though this method can improve the precision of coordinate system largely, but increased undoubtedly patient's misery, and simple metal locating pin can only show in CT, MRI None-identified.If can improve by simple, avoid the wound that causes in order to locate, do not affect again the degree of accuracy of operation, and can apply to the data interface of CT and MRI simultaneously, can be significant innovation undoubtedly.
Utility model content
The purpose of this utility model is to provide a kind of non-invasive navigating surgery positioner.
For realizing above object, this utility model discloses following technical scheme: a kind of non-invasive navigating surgery positioner, it is characterized in that, comprise guard, telltale mark nail and optical reflector base, described guard is the thermoplastic with dense circular hole, described telltale mark nail is two ends projection, umbilicate dumbbell shaped, telltale mark nail inside is hollow structure, place MRI and can identify liquid, described optical reflector base comprises pedestal and acicular texture, and described acicular texture is used for inserting optical reflection ball.
As a preferred version, height and the guard consistency of thickness of described telltale mark nail female, the diameter of female is consistent with guard Circularhole diameter; Described telltale mark nail two ends bossing is in the form of annular discs, and slightly larger in diameter is in guard Circularhole diameter.The object of dumbbell shaped structure is to guarantee that telltale mark nail can block easily to press solidly in guard circular hole, makes on the one hand telltale mark nail easily enter guard circular hole, can not arbitrarily be shifted or wear off again on the other hand.
As a preferred version, described telltale mark screw top end arranges a groove, is convenient to place probe.
As a preferred version, it is iodized oil that described MRI can identify liquid.The design of telltale mark nail center liquid state, can not only be identified by CT telltale mark nail, also can be identified by MRI.
As a preferred version, the pedestal of described optical reflector base is in the form of annular discs, and slightly larger in diameter is in guard Circularhole diameter.The design of protruding discoid pedestal is also to guarantee that optical reflector base can block easily to press solidly in guard circular hole.
As a preferred version, in described optical reflector base acicular texture, the first protruding end is set, the distance between described the first protruding end and pedestal and guard consistency of thickness, between the first protruding end and pedestal, diameter and the guard Circularhole diameter in region are consistent.The object of the first protruding end is to guarantee that optical reflector base card presses solidly in guard circular hole, and can not arbitrarily be shifted or wear off.
As a preferred version, in described optical reflector base acicular texture, the second protruding end is set, the distance between described the second protruding end and pedestal is greater than guard thickness.In acicular texture, the object of the second protruding end is that while inserting optical reflection ball, the card of being convenient to optical reflection ball presses solidly position.
As a preferred version, described guard has base, and described base is hard material.The object of base is be convenient to the placement of guard and fix.
As a preferred version, the material of described telltale mark nail and optical reflector base is medical metal.
The utility model has the advantage of: during (1) location, optical reflector base and telltale mark nail are positioned on guard, have avoided patient's wound; (2) thermoplastics type's guard can be used for any position of health, can cut randomly, and avoids affecting operative region; (3) placement of optical reflector base and telltale mark nail is not limited by anatomical structure, can coordinate operation to be positioned over any appropriate position; (4) design of telltale mark nail periphery metal, center liquid state, can be identified by CT and MRI; (5) optical reflector base and telltale mark are followed closely the use of can repeatedly sterilizing, and avoid waste.
Accompanying drawing explanation
Fig. 1 is the guard with dense circular hole.
Fig. 2 is the structural representation of telltale mark nail.
Fig. 3 is the structural representation of optical reflector base.
Fig. 4 is in jaw operation on face, after plastic surgery with the guard of base.
In figure, each label represents:
1---guard; 11---base; 2---telltale mark nail; 21,22---two ends projection; 23---female; 24---groove; 25---hollow structure; 3---optical reflector base; 31---pedestal; 32---acicular texture; 33---the second protruding end; 34---the first protruding end; 4---optical reflection ball.
The specific embodiment
Below in conjunction with specific embodiment, further set forth this utility model.The experimental technique using in following embodiment if no special instructions, is conventional method.In following embodiment, material used, reagent etc., if no special instructions, all can obtain from commercial channels.Should be understood that these embodiment are only not used in restriction scope of the present utility model for this utility model is described.
The non-invasive navigating surgery positioner of embodiment 1.
As shown in Figure 1, Figure 2 and Figure 3, comprise guard (Fig. 1), telltale mark nail (Fig. 2) and optical reflector base (Fig. 3).
As shown in Figure 1, guard is the thermoplastic with dense circular hole, and deformable after hot water heating is moulding according to human dissection position, can fix after cooling, and special messenger is special-purpose.Guard has dense circular hole, is convenient to telltale mark nail and optical reflector base and places.
As shown in Figure 2, telltale mark nail 2 is two ends projection, umbilicate dumbbell shaped, and telltale mark is followed closely 2 inside and is hollow structure 25, places MRI and can identify liquid.MRI can identify liquid and be generally iodized oil etc., and telltale mark is followed closely the design of 2 center liquid state, and telltale mark nail 2 can not only be identified by CT, also can be identified by MRI.
Telltale mark is followed closely height and the guard consistency of thickness of 2 females 23, and the diameter of female 23 is consistent with guard Circularhole diameter; It is in the form of annular discs that telltale mark is followed closely 2 two ends projection 21,22 parts, and slightly larger in diameter is in guard Circularhole diameter.The object of dumbbell shaped structure is to guarantee that telltale mark nail 2 can block easily to press solidly in guard circular hole, makes on the one hand telltale mark nail 2 easily enter guard circular hole, can not arbitrarily be shifted or wear off again on the other hand.
Telltale mark is followed closely 2 tops one groove 24 is set, and is convenient to place probe.
As shown in Figure 3, optical reflector base 3 comprises pedestal 31 and acicular texture 32, and acicular texture 32 is for inserting optical reflection ball 4.
Distance and the guard consistency of thickness of 31 of the first protruding end 34, the first protruding ends 34 and pedestals are set in optical reflector base 3 acicular textures 32, and between the first protruding end 34 and pedestal 31, diameter and the guard Circularhole diameter in region are consistent.The object of the first protruding end 34 is to guarantee that optical reflector base 3 cards press solidly in guard circular hole, and can not arbitrarily be shifted or wear off.The distance that 31 of the second protruding end 33, the second protruding ends 33 and pedestals are set in optical reflector base 3 acicular textures 32 is greater than guard thickness.The second protruding end 33 operated by rotary motion are at the position near acicular texture 32 tops, and the object of the second protruding end 33 is that while inserting optical reflection ball 4, the card of being convenient to optical reflection ball 4 presses solidly position.
For the ease of guard, place and fixing, guard is provided with base 11, and the general hard material of described base 11, has constant weight, be illustrated in figure 4 in jaw operation on face, after plastic surgery with the guard of base.
The material of described telltale mark nail 2 and optical reflector base 3 is medical metal, the use of can repeatedly sterilizing.
The use of non-invasive navigating surgery positioner:
1, the processing of guard
Plane thermoplasticity guard, after hot water heating, according to patient's region of anatomy plastotype, need be close to body surface, then be put in cold water coolingly, form individuation guard.Determine patient Shu district scope, and the guard part within the scope of shear removal art district.
2, preoperative image check
On Yu Feishu district guard, put 4-6 telltale mark nail, the guard after patient wear placement positioning labelling nail, and fix with base, carry out image check, obtain image data.
3, in art, use
In art, patient wear is equipped with the guard of telltale mark nail, and fixes with base.Concentrate and place 4 optical reflector bases, lay optical reflection ball and be navigated system identification at the acicular texture place of optical reflector base.Prepositioned 4-6 the telltale mark nail of take is registration point, carries out registration successively with probe.According to Design, carry out navigating surgery.
4, postoperative
Guard is disposable use, guard base, telltale mark nail and the optical reflector base Reusability of all can sterilizing.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of this utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. a non-invasive navigating surgery positioner, it is characterized in that, comprise guard, telltale mark nail and optical reflector base, described guard is the thermoplastic with dense circular hole, described telltale mark nail is two ends projection, umbilicate dumbbell shaped, and telltale mark nail inside is hollow structure, places MRI and can identify liquid, described optical reflector base comprises pedestal and acicular texture, and described acicular texture is used for inserting optical reflection ball.
2. a kind of non-invasive navigating surgery positioner according to claim 1, is characterized in that, height and the guard consistency of thickness of described telltale mark nail female, and the diameter of female is consistent with guard Circularhole diameter.
3. a kind of non-invasive navigating surgery positioner according to claim 1, is characterized in that, described telltale mark nail two ends bossing is in the form of annular discs, and slightly larger in diameter is in guard Circularhole diameter.
4. a kind of non-invasive navigating surgery positioner according to claim 1, is characterized in that, described telltale mark screw top end arranges a groove.
5. a kind of non-invasive navigating surgery positioner according to claim 1, is characterized in that, it is iodized oil that described MRI can identify liquid.
6. a kind of non-invasive navigating surgery positioner according to claim 1, is characterized in that, the pedestal of described optical reflector base is in the form of annular discs, and slightly larger in diameter is in guard Circularhole diameter.
7. a kind of non-invasive navigating surgery positioner according to claim 1, it is characterized in that, in described optical reflector base acicular texture, the first protruding end is set, distance between described the first protruding end and pedestal and guard consistency of thickness, between the first protruding end and pedestal, diameter and the guard Circularhole diameter in region are consistent.
8. according to a kind of non-invasive navigating surgery positioner described in claim 1 or 7, it is characterized in that, in described optical reflector base acicular texture, the second protruding end is set, the distance between described the second protruding end and pedestal is greater than guard thickness.
9. a kind of non-invasive navigating surgery positioner according to claim 1, is characterized in that, described guard has base, and described base is hard material.
10. a kind of non-invasive navigating surgery positioner according to claim 1, is characterized in that, the material of described telltale mark nail and optical reflector base is medical metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320442827.9U CN203400211U (en) | 2013-07-24 | 2013-07-24 | Non-invasive navigation and positioning device for operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320442827.9U CN203400211U (en) | 2013-07-24 | 2013-07-24 | Non-invasive navigation and positioning device for operation |
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| Publication Number | Publication Date |
|---|---|
| CN203400211U true CN203400211U (en) | 2014-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320442827.9U Expired - Fee Related CN203400211U (en) | 2013-07-24 | 2013-07-24 | Non-invasive navigation and positioning device for operation |
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| CN (1) | CN203400211U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103349568A (en) * | 2013-07-24 | 2013-10-16 | 上海交通大学医学院附属第九人民医院 | Noninvasive computer aided surgery locating device |
-
2013
- 2013-07-24 CN CN201320442827.9U patent/CN203400211U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103349568A (en) * | 2013-07-24 | 2013-10-16 | 上海交通大学医学院附属第九人民医院 | Noninvasive computer aided surgery locating device |
| CN103349568B (en) * | 2013-07-24 | 2015-09-23 | 上海交通大学医学院附属第九人民医院 | A kind of non-invasive navigating surgery positioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140122 Termination date: 20140724 |
|
| EXPY | Termination of patent right or utility model |