CN211155863U - Foreign matter positioning tool in jaw face depth - Google Patents
Foreign matter positioning tool in jaw face depth Download PDFInfo
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- CN211155863U CN211155863U CN201921809794.0U CN201921809794U CN211155863U CN 211155863 U CN211155863 U CN 211155863U CN 201921809794 U CN201921809794 U CN 201921809794U CN 211155863 U CN211155863 U CN 211155863U
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Abstract
The utility model discloses a foreign body positioning tool in the depth of jaw face, which comprises an occluding plate sleeved at the dentition of a human body and a guide rod contacted with the foreign body, wherein the guide rod comprises a positioning rod, a connecting block and a steering head for positioning the foreign body, one side of the occluding plate, which is close to the cheek of the human body, is provided with a connecting device of a fixed connecting block, the connecting device is provided with a first connecting hole, the connecting block is provided with a fixed column which is mutually matched with the first connecting hole, one side surface of the steering head is provided with a second jack for fixing the positioning rod, the utility model can transfer positioning information to the operation in the operation by utilizing the positioning rod through the imaging in the using process, has no radiation, has no hardware equipment requirement on medical institutions, has simple arrangement process in the operation, low cost and high efficiency, saves the operation time and realizes real 3D navigation, the adjusting precision of the positioning rod is improved by arranging the steering head, the marking area and the pointer.
Description
Technical Field
The utility model relates to a medical instrument technical neighborhood, concretely relates to foreign matter positioning tool in jaw face depths.
Background
The diagnosis and treatment of foreign bodies in the deep jaw face are complex, particularly, the foreign bodies are positioned in a space formed by the inner side of a lower jaw ascending support, the side of a pharynx and the cervical vertebra, the anatomical structure is complex, the vascular nerves are rich, and the diagnosis and treatment plan of doctors is examined very well.
The imaging technology can perform positioning from the imaging technology, but cannot transfer the positioning to the operation in the operation, an operation navigation system is designed based on CT and MRI data before the operation, a dynamic reference system needs to be arranged and corrected, the operation process is complicated, a medical institution needs to be provided with the equipment and related personnel, the hardware requirement and doctor level requirement of the medical institution are high, meanwhile, navigation information fed back to a doctor by the operation navigation system is still a bitmap and is not real 3D navigation, C-arm can continuously transmit in the operation to guide the real-time position in the operation, however, images displayed by the C-arm are 2 perspective bitmaps with different angles, the efficiency is low, the 3D guiding effect is poor, and the use of the C-arm can bring continuous radiation to medical personnel and patients.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the prior art, the utility model provides a simple structure, convenient to use's foreign matter positioning tool in the jaw face depths.
In order to achieve the above object, the utility model adopts the following technical scheme: a foreign matter positioning tool in a maxillofacial depth comprises an occlusal plate and a guide rod, wherein the occlusal plate is sleeved at an upper jaw dentition of a human body, the guide rod is in contact with the foreign matter, the guide rod comprises a positioning rod, a connecting block and a steering head, the positioning rod is used for positioning the foreign matter, one side, close to a cheek of the human body, of the occlusal plate is provided with a connecting device for fixing the connecting block, the connecting device is provided with a first connecting hole, the connecting block is provided with a fixing column which is matched with the first connecting hole, one side face of the steering head is provided with a second insertion hole for fixing the positioning rod, and.
According to X piece, CT, MRI, C-arm etc. examination image data before patient's art confirm the position of foreign matter at the jaw, the design operation, with the preoperative location information transfer to the operation in the art, in the operation process, along with the needs of the process of operation, can adjust the angle that the locating lever pointed in real time through turning to the head, change the locating lever of different length at any time through the second jack simultaneously, make locating lever 23 guide the initial incision of operation respectively, the direction is peeled off to the soft tissue, foreign matter position, realize real 3D navigation, whole process, do not have any radiation, do not have the hardware equipment requirement to medical institution, simultaneously the utility model discloses a positioning tool part is few, production, use cost are low, settle the process in the art is simple, improve the operation efficiency height, save operation time.
Preferably, the steering head is provided with a mounting groove which can be sleeved on the connecting block, hemispherical convex blocks are arranged on vertical opposite surfaces in the mounting groove, and hemispherical grooves matched with the hemispherical convex blocks are arranged on the vertical opposite surfaces on the connecting block.
Through the cooperation of mounting groove, hemisphere lug and hemisphere recess, utilize full mechanical structure to let to turn to the head and can rotate on the connecting block, reduction in production cost is low, makes simultaneously and makes simply.
Preferably, a distance is reserved between the groove bottom of the mounting groove and the connecting block.
The distance between the groove bottom of the mounting groove and the connecting block is larger than the distance between the groove and the side, close to the human molar teeth, of the connecting block, and therefore sufficient distance between the connecting block and the steering head is guaranteed for the steering head to rotate and adjust on the connecting block.
Preferably, the connecting block all is equipped with the arc guide way near the face of last dentition and dentition down, just the arc guide way is close to one side of human big tooth, the mounting groove with the position that the arc guide way corresponds is equipped with the screw thread guiding hole, just the screw thread guiding hole is close to dentition one side down, be equipped with the screw rod in the screw thread guiding hole, just the screw rod can slide in the arc guide way.
The screw rod, the thread guide hole and the arc guide groove are arranged, the contact surface of the arc guide groove and the end surface of the screw rod is narrow, the contact surface far away from the end surface of the screw rod is wide, the steering head can be locked after the screw rod is deep, the position of the steering head on the connecting block is locked after the angle of the steering head is adjusted, the problem that the position of a positioning rod slides to cause reduction of positioning precision in an operation process can be avoided, meanwhile, the end part of the screw rod can slide in the arc guide groove, and when the angle of the steering head on the connecting block needs to be adjusted, the adjusting resistance of the steering head is reduced.
Preferably, one side of the connecting block, which is close to the arc-shaped guide groove and close to the human body molar teeth, is provided with a marking area, the wall of the mounting groove is provided with a pointer which is matched with the marking area, and the marking area is provided with a marking point which is matched with the pointer.
The mark area is used for recording foreign matter information, the rotating angle of the steering head in the arc-shaped guide groove is recorded, the mark area and the pointer are arranged, the mark area and the pointer have an auxiliary effect when the position of the steering head is adjusted, the position of the steering head which needs to be rotated each time in the operation process is marked in the mark area according to the operation designed before the operation, and the angle of the steering head in the connecting block is adjusted through the pointer, so that the accuracy of adjusting the steering head each time is higher.
The utility model has the advantages that:
1. the utility model discloses in the operation design process, through going on fixing a position from the imaging, in the use, utilize the locating lever to move positioning information to the art in the operation, do not have any radiation, do not have the hardware equipment requirement to medical institution, settle the process in the art simply, with low costs, efficient saves the operation time, realizes real 3D navigation.
2. Through the arrangement of the steering head, the marking area and the pointer, the steering angle of the positioning rod can be adjusted according to the position of the foreign body and the surgical access, and different surgical accesses are met.
3. Through the setting of arc guide way, screw thread guiding hole and screw rod, will turn to the position lock of head on the connecting block and die, can avoid the problem that the position of locating lever slides and causes the intraoperative positioning accuracy to reduce in the operation process.
Description of the drawings:
fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the connecting block structure of the present invention;
fig. 3 is a schematic structural view of a steering head according to the present invention.
Description of reference numerals:
1. the steering gear comprises a bite plate, 11, a connecting device, 2, a guide rod, 21, a connecting block, 210, a hemispherical groove, 211, a fixing column, 212, an arc-shaped guide groove, 213, a marking area, 214, a marking point, 22, a steering head, 221, a first insertion hole, 222, a mounting groove, 223, a hemispherical bump, 224, a threaded guide hole, 225, a pointer, 23 and a positioning rod.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example 1;
as shown in fig. 1 to fig. 3, a foreign body positioning tool in the depth of jaw face comprises an occlusal plate 1 sleeved at the maxillary dentition of a human body and a guide rod 2 contacted with the foreign body, wherein the guide rod 2 comprises a positioning rod 23 for positioning the foreign body, a connecting block 21 and a steering head 22, the occlusal plate 1 is provided with a connecting device 11 for fixing the connecting block 21 at one side close to the cheek of the human body, the connecting device 11 is provided with a first connecting hole, the connecting block 21 is provided with a fixing column 211 mutually matched with the first connecting hole, one side surface of the steering head 22 is provided with a second insertion hole 221 for fixing the positioning rod 23, and the steering head 22 can rotate on the connecting block 21 along the horizontal direction.
Confirm the position of foreign matter at the jaw according to examination image data such as X piece, CT, MRI, C-arm before patient's art, the design operation, with the preoperative location information transfer to the operation in the art, in the operation process, along with the needs of the process of operation, turn to the head 22 through rotating and can adjust the angle that locating lever 23 indicates in real time, change the locating lever 23 of different length at any time through second jack 221 simultaneously, make locating lever 23 guide the initial incision of operation respectively, the direction is peeled off to the soft tissue, foreign matter position, realize real 3D navigation, whole process, do not have any radiation, do not have the hardware equipment requirement to medical institution, simultaneously the utility model discloses a positioning tool part is few, and production, use cost are low, and it is simple to settle the process in the art, and it is efficient to improve the operation, saves the operation time.
In the above, the steering head 22 has the mounting groove 222 that can be sleeved on the connecting block 21, the vertical opposite surfaces in the mounting groove 222 are both provided with the hemispherical convex blocks 223, the vertical opposite surfaces on the connecting block 21 are provided with the hemispherical grooves 210 that are mutually matched with the hemispherical convex blocks 223, and a space is provided between the groove bottom of the mounting groove 222 and the connecting block 21.
The steering head 22 is sleeved on the connecting block 21 through the mounting groove 222, the steering head 22 and the connecting block 21 are fixed through the mutually matched convex block 223 and the groove 210, the convex block 223 can roll in the groove 210, the steering head 22 is fixed on the connecting block 21 through the connecting structure, the steering head 22 can rotate on the connecting block 21 by taking the convex block 223 as an axis, meanwhile, the distance between the groove bottom of the mounting groove 222 and the connecting block 21 is larger than the distance between the groove 210 and the side, close to the human molar teeth, of the connecting block 210, and the sufficient distance between the connecting block 21 and the steering head 22 is ensured to be used for the rotation adjustment of the steering head 21.
In the foregoing, the connecting block 21 is close to the face of last dentition and lower dentition and all is equipped with arc guide way 212, just arc guide way 212 is close to one side of human big tooth, mounting groove 222 with the position that arc guide way 212 corresponds is equipped with screw thread guiding hole 224, just screw thread guiding hole 224 is close to dentition one side down, be equipped with the screw rod in the screw thread guiding hole 224, just the screw rod can slide in arc guide way 212.
The area from the maxillary dentition to the mandibular dentition is an operation area, after the adjusting position of the steering head 22 is determined each time, the screw rod is inserted into the arc-shaped guide groove 212 to lock the position of the steering head 22, so as to guide the operation, thereby avoiding the problem of reduced positioning precision in the operation caused by the position sliding of the positioning rod 23 in the operation process, and meanwhile, the angle of the positioning rod 23 can be adjusted accordingly, so as to meet different operations and operation approaches, through the operation designed before the operation, the end part of the screw rod can slide in the arc-shaped guide groove 212, and when the angle of the steering head 22 on the connecting block 21 needs to be adjusted, the adjusting resistance of the steering head 22 is reduced.
Example 2;
as shown in fig. 2 and 3, in addition to embodiment 1, the connecting block 21 has a marking region 213 on a side close to the arc-shaped guide groove 212 and close to the human molar teeth, a pointer 225 is disposed on a wall of the mounting groove 222 and is matched with the marking region 213, and the marking region 213 has a marking point 214 matched with the pointer 225.
In the process of surgical design, the angle of the steering head 22 required to rotate in the surgical process is determined through the positioning information on the imaging, then the marking point 214 is marked on the marking area 213 according to the preoperative surgical design, in the operation, when the steering head 22 is required to rotate, the angle of each rotation of the steering head 22 is determined through the arranged pointer 225 and the marking point 214, the steering head 22 is locked at the marking point 214 pointed by the pointer 225 through the insertion of the screw rod into the arc-shaped guide groove 212, and the positioning accuracy is further improved.
The rest of the working principle of the embodiment 2 is the same as that of the embodiment 1.
Example 3;
as shown in fig. 1 to 3, a tool for positioning foreign matter deep in jaw face comprises a bite plate 1 arranged at the maxillary dentition of a human body and a guide rod 2 contacted with the foreign matter, wherein the guide rod 2 comprises a positioning rod 23 for positioning the foreign matter, a connecting block 21 and a steering head 22, the bite plate 1 is provided with a connecting device 11 for fixing the connecting block 21 at one side close to the cheek of the human body, the connecting device 11 is provided with a first connecting hole, the connecting block 21 is provided with a fixing column 211 matched with the first connecting hole, one side of the steering head 22 is provided with a second inserting hole 221 for fixing the positioning rod 23, the steering head 22 can rotate on the connecting block 21 along the horizontal direction, the steering head 22 is provided with a mounting groove 222 arranged on the connecting block 21 in a sleeved mode, the vertical opposite surfaces in the mounting groove 222 are provided with hemispherical projections 223, the vertical opposite surfaces on the connecting block 21 are provided with hemispherical grooves 210 matched with the hemispherical projections, a space is reserved between the groove bottom of the mounting groove 222 and the connecting block 21, arc-shaped guide grooves 212 are arranged on the surfaces, close to the upper dentition and the lower dentition, of the connecting block 21, a screw thread guide hole 224 is arranged at the position, corresponding to the arc-shaped guide grooves 212, of the mounting groove 222, the screw thread guide hole 22 is close to one side of the lower dentition, a screw is arranged in the screw thread guide hole 224 and can slide in the arc-shaped guide grooves 212, a marking area 213 is arranged on one side, close to the arc-shaped guide grooves 212 and close to the human dentition, of the connecting block 21, a pointer 225 matched with the marking area 213 is arranged on the groove wall of the mounting groove 222, and a marking point 214 matched with the pointer 225 is arranged on the marking area 213.
When in use, the position of the foreign body at the jaw is determined according to the examination image data of an X-ray, CT, MRI, C-arm and the like of a patient before operation, the position of the connecting device 11 at the occlusal plate 1 is determined according to the position of the foreign body at the jaw, the preoperative image data design operation is carried out, the position of the steering head 22 required to be rotated each time in the operation process is marked in the marking area 213 according to the preoperative designed operation, when in use, the occlusal plate 1 matched with the dentition size of the patient is sleeved on the maxillary dentition of the patient, then the positioning rod 23 is inserted into the first jack 221 of the steering head 22, in the operation, the positioning rods 23 with different lengths can be continuously replaced according to the operation process, the positioning rod 23 respectively guides the operation initial incision, the soft tissue stripping direction and the position of the foreign body, the steering head 22 is sleeved on the connecting block 21 through the mounting groove 222, the steering head 22 and the connecting block 21 are fixed with the groove 210 through the, the lug 223 can roll in the groove 210, the steering head 22 is fixed on the connecting block 21 through the connecting structure, the steering head 22 can rotate on the connecting block 21 by taking the lug 223 as an axis, the adjusting angle of the steering head 22 on the connecting block 21 is determined through the pointer 225 by referring to the mark of the preoperative marking area 213 when the steering head 22 is rotated along with the requirement of the operation process, the adjusting precision of the steering head 22 is higher each time, the steering head 22 is inserted into the arc-shaped guide groove 212 through the screw rod after the position of the steering head 22 is determined, the steering head 22 is locked at the position of the marking point 214 on the marking area 213, the operation is guided, meanwhile, the positioning rod 23 can adjust the angle, different operations and operation access ways can be met, the degree of rotation of the steering head 22 on the connecting block 21 is based on the mark of the preoperative marking area 213, foreign bodies in the maxillofacial depth can be positioned from the image by the preoperative design operation, the occlusal plate 1, the connecting device 11 and the guide rod 2 are designed according to dentition, all position information is transferred to the positioning rod 23 which can be contacted with the foreign matter according to the sequence of 'the foreign matter → the jaw → the tooth → the occlusal plate → the connecting device → the guide rod', and finally the function of assisting the operation is played, the positioning information of the iconography is transferred to the actual operation in the operation, no radiation exists, the requirement on hardware equipment of a medical institution exists, the arrangement process in the operation is simple, the cost is low, the efficiency is high, the operation time is saved, and the real 3D navigation is realized.
Claims (5)
1. The foreign matter positioning tool in the depth of the maxillofacial region is characterized by comprising an occlusal plate sleeved at the upper jaw dentition of a human body and a guide rod in contact with the foreign matter, wherein the guide rod comprises a positioning rod, a connecting block and a steering head, the positioning rod is used for positioning the foreign matter, one side of the occlusal plate, close to the cheek of the human body, is provided with a connecting device for fixing the connecting block, the connecting device is provided with a first connecting hole, the connecting block is provided with a fixing column which is matched with the first connecting hole, one side surface of the steering head is provided with a second insertion hole for fixing the positioning rod, and the steering head can rotate on the connecting block.
2. The deep maxillofacial foreign body positioning tool of claim 1, wherein the steering head has a mounting groove for fitting over the connecting block, and the vertical opposite surfaces of the mounting groove are provided with hemispherical projections, and the vertical opposite surfaces of the connecting block are provided with hemispherical grooves for engaging with the hemispherical projections.
3. The tool for locating foreign body at deep maxillofacial region according to claim 2, wherein a space is provided between the groove bottom of the mounting groove and the connecting block.
4. The deep foreign body positioning tool of claim 2, wherein the connection block has an arc-shaped guide groove on the surface near the upper and lower dentitions, and the arc-shaped guide groove is near one side of the human body's upper teeth, and a screw guide hole is provided on the mounting groove corresponding to the arc-shaped guide groove, and the screw guide hole is near one side of the lower dentition, and a screw is provided in the screw guide hole, and the screw can slide in the arc-shaped guide groove.
5. The tool for locating foreign bodies deep in maxillofacial region as claimed in claim 4, wherein said connecting block has a marking area on the side close to the arc-shaped guide groove and close to the human molar teeth, and a pointer cooperating with said marking area is provided on the wall of said mounting groove, and said marking area has a marking point cooperating with said pointer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921809794.0U CN211155863U (en) | 2019-10-25 | 2019-10-25 | Foreign matter positioning tool in jaw face depth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921809794.0U CN211155863U (en) | 2019-10-25 | 2019-10-25 | Foreign matter positioning tool in jaw face depth |
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| Publication Number | Publication Date |
|---|---|
| CN211155863U true CN211155863U (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921809794.0U Active CN211155863U (en) | 2019-10-25 | 2019-10-25 | Foreign matter positioning tool in jaw face depth |
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| CN (1) | CN211155863U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112932667A (en) * | 2021-01-27 | 2021-06-11 | 南京逸动智能科技有限责任公司 | Special positioning scale for three-dimensional image, operation navigation system and positioning method thereof |
-
2019
- 2019-10-25 CN CN201921809794.0U patent/CN211155863U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112932667A (en) * | 2021-01-27 | 2021-06-11 | 南京逸动智能科技有限责任公司 | Special positioning scale for three-dimensional image, operation navigation system and positioning method thereof |
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