CN108524012B - Surgical navigation camera - Google Patents
Surgical navigation camera Download PDFInfo
- Publication number
- CN108524012B CN108524012B CN201810608702.6A CN201810608702A CN108524012B CN 108524012 B CN108524012 B CN 108524012B CN 201810608702 A CN201810608702 A CN 201810608702A CN 108524012 B CN108524012 B CN 108524012B
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- piece
- guide
- fixing
- plate
- camera
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- 239000000463 material Substances 0.000 claims description 19
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 239000004917 carbon fiber Substances 0.000 claims description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 238000005259 measurement Methods 0.000 abstract description 6
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/36—Image-producing devices or illumination devices not otherwise provided for
- A61B90/361—Image-producing devices, e.g. surgical cameras
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/36—Image-producing devices or illumination devices not otherwise provided for
- A61B90/37—Surgical systems with images on a monitor during operation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/04—Constructional details of apparatus
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Public Health (AREA)
- Medical Informatics (AREA)
- Pathology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Gynecology & Obstetrics (AREA)
- Radiology & Medical Imaging (AREA)
- Vibration Prevention Devices (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Abstract
The embodiment of the invention relates to the technical field of medical equipment, and provides a surgical navigation camera, which comprises: a fixing plate; a connecting plate; the camera is connected to the connecting plate; and the buffer component is positioned between the connecting plate and the fixed plate. Compared with the prior art, the surgical navigation camera provided by the embodiment of the invention reduces the displacement or damage to the camera caused by vibration of the surgical navigation camera in the process of delivery, transportation and use by arranging the buffer assembly between the connecting plate connected with the camera and the fixing plate, ensures the precision of the camera, and further ensures the measurement precision of the surgical navigation camera.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a surgical navigation camera.
Background
The existing surgical navigation camera is mainly used for measuring the relative position and angle between objects, performs surgical navigation according to practical measured values, and is more beneficial to the surgical navigation as the measured values are higher in precision and better in stability. Among them, the good accuracy of the camera in the surgical navigation camera is an important guarantee to ensure the measurement accuracy of the surgical navigation camera.
The inventor finds that in the process of realizing the embodiment of the invention, a buffer component is not arranged between the camera of the existing operation navigation camera and other fixing pieces, and vibration of the operation navigation camera in the process of delivery, transportation and use can damage or misplacement the camera, and the like, so that the accuracy of the camera is reduced.
Disclosure of Invention
In order to solve the problem of precision reduction caused by damage or dislocation and the like to a camera caused by vibration of a surgical navigation camera in the process of delivery, transportation and use in the prior art, the invention provides a device capable of reducing damage to the camera caused by vibration of the surgical navigation camera in the process of delivery, transportation and use, comprising:
A fixing plate;
a connecting plate;
The camera is connected to the connecting plate;
And the buffer component is positioned between the connecting plate and the fixed plate and is used for reducing vibration of the camera.
Optionally, the buffer assembly includes:
One end of the guide piece is fixed on the fixed plate;
The sliding piece is sleeved outside the guide piece and can slide relative to the guide piece along the normal direction of the fixing plate, and one end of the sliding piece, which is far away from the fixing plate, is fixed with the connecting plate;
The elastic piece is sleeved outside the guide piece and positioned between the fixed plate and the sliding piece, and the elastic piece is used for providing a buffering force for the sliding of the sliding piece.
Optionally, the surgical navigation camera further includes a limiting part, wherein the guiding part is provided with a limiting groove, the sliding part is hollow with an upper opening and a lower opening, the sliding part is provided with a first fixing hole penetrating through the inner wall and the outer wall of the sliding part, and the limiting part penetrates through the first fixing hole and is partially contained in the limiting groove.
Optionally, the surgical navigation camera further comprises a connecting piece, the connecting piece is fixedly connected with the sliding piece, a guide groove is formed in the guide piece, and the connecting piece part is accommodated in the guide groove and can slide in the guide groove.
Optionally, the connecting piece includes body portion and fixed part, body portion accept in the guide slot, fixed part is followed body portion to the slider extends forms, be provided with the second fixed orifices on the slider, fixed part accept and be fixed in the second fixed orifices.
Optionally, an external thread is disposed at one end of the guiding element, an internal screw hole is disposed on the fixing plate, and the external thread is matched with the internal screw hole, so that the guiding element and the fixing plate are fixed.
Optionally, a through hole is formed in the connecting plate, and the other end of the guiding piece can pass through the through hole.
Optionally, the elastic element is a compression spring.
Optionally, the buffer component comprises any one of rubber, silica gel, sponge and spring.
Optionally, the guide groove is two, the symmetry set up in on the guide, the setting that the connecting piece corresponds is two, the setting that the second fixed orifices corresponds is two.
Compared with the prior art, the surgical navigation camera provided by the embodiment of the invention reduces the displacement or damage to the camera caused by vibration of the surgical navigation camera in the process of delivery, transportation and use by arranging the buffer assembly between the connecting plate connected with the camera and the fixing plate, ensures the precision of the camera, and further ensures the measurement precision of the surgical navigation camera.
Drawings
FIG. 1 is a perspective view of a surgical navigational camera provided in one embodiment of the present invention;
FIG. 2 is a perspective view of a stationary plate of the surgical navigation camera provided in one embodiment;
FIG. 3 is a perspective view of a connection plate of the surgical navigation camera provided in one embodiment;
FIG. 4 is a perspective view of a guide for the surgical navigation camera provided in one embodiment;
FIG. 5 is a perspective view of a slider of the surgical navigation camera provided in one embodiment;
FIG. 6 is a perspective view of a connector of the surgical navigation camera provided in one embodiment;
fig. 7 is a perspective view of a stop member of the surgical navigation camera provided in one embodiment.
Reference numerals of the specific embodiments illustrate:
| surgical navigation camera 100 | Fixing plate 1 | Inner screw hole 10 | Connecting plate 2 |
| Through-hole 20 | Camera 3 | Cushioning assembly 4 | Guide 41 |
| External thread 410 | Guide slot 411 | Limiting groove 412 | Slider 42 |
| First fixing hole 421 | Second fixing hole 422 | Elastic member 43 | Connector 44 |
| Body portion 440 | Fixing portion 441 | Limiting piece 45 |
Detailed Description
In order that the invention may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings. It will be understood that when an element is referred to as being "fixed" to another element, it can be directly on the other element or one or more intervening elements may be present therebetween. When an element is referred to as being "snapped" onto another element, it can be directly onto the other element or one or more intervening elements may be present therebetween. The terms "upper", "lower", "left", "right" and the like are used in this specification for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used in this specification includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, a schematic structural diagram of a surgical navigation camera 100 according to an embodiment of the present invention is provided, where the surgical navigation camera 100 includes a fixing plate 1, a connecting plate 2, a camera 3, and a buffer assembly 4.
As shown in fig. 2, the fixing plate 1 is in a flat plate shape, two inner screw holes 10 are formed in the fixing plate 1, and the fixing plate 1 is made of stainless steel materials.
It will be appreciated that in some other embodiments, the fixing plate 1 may be made of carbon fiber material, plastic material or aluminum material.
As shown in fig. 3, the connecting plate 2 is disposed parallel to the fixing plate 1, two through holes 20 penetrating through two opposite sides of the connecting plate 2 are disposed on the connecting plate 2, the two through holes 20 and the two inner screw holes 10 are coaxially and oppositely disposed, and the connecting plate 2 is made of stainless steel material.
It will be appreciated that in some other embodiments, the connection plate 2 may also be made of carbon fiber material, plastic material or aluminum material.
As shown in fig. 1, two cameras 3 are fixed on the connecting plate 2, the two cameras 3 are located between the two through holes 20, and the two cameras 3 are located on one side, far away from the fixing plate 1, of the connecting plate 2. The camera 3 is used for measuring the relative position and angle between objects, and performs operation navigation according to the actual measured value, and the higher the accuracy and the better the stability of the measured value are. The camera 3 is an important component in the surgical navigation camera 100, and the measurement accuracy and stability of the camera 3 directly affect the measurement accuracy and stability of the surgical navigation camera 100.
As shown in fig. 1, the buffer assembly 4 includes a guide 41, a slider 42, an elastic member 43, a connecting member 44, and a stopper 45.
As shown in fig. 4, the guide member 41 is in a shape of a round rod, an external thread 410 is provided at one end of the guide member 41, and the external thread 410 is adapted to the internal screw hole 10 on the fixing plate 1, so as to detachably fix the guide member 41 on the fixing plate 1. A guiding slot 411 is provided from the other end of the guiding member 41 to the direction of the external thread 410, and the guiding slots 411 are two and symmetrically arranged at two opposite sides of the guiding member 41 respectively. The other two sides of the guiding piece 41 are provided with limiting grooves 412, the limiting grooves 412 are symmetrically arranged on the guiding piece 41 respectively, and the symmetrical center plane of the limiting grooves 412 and the symmetrical center plane of the guiding piece 411 are mutually perpendicular. The guide piece 41 is made of stainless steel, the part of the guide piece 41 not provided with the external thread 410 is smoothly deburred, and the surface roughness reaches Ra less than or equal to 0.25.
It will be appreciated that in some other embodiments, the guide 41 may have a square shape, and the guide 41 is welded to the fixing plate 1.
It will be appreciated that in some other embodiments, the guide 41 may also be made of carbon fiber material, plastic material or aluminum material.
As shown in fig. 5, the sliding members 42 are hollow cylindrical structures with upper and lower openings, each sliding member 42 is coaxially disposed with each guiding member 41, the sliding member 42 is fixedly connected with the connecting plate 2, and the sliding member 42 is sleeved outside the guiding member 41 and can slide along the normal direction of the fixing plate 1, i.e. along the axial direction of the guiding member 41. Each sliding member 42 is provided with two first fixing holes 421, each first fixing hole 421 passes through the inner wall and the outer wall of the sliding member 42, and the two first fixing holes 421 are symmetrically distributed on the sliding member 42.
Two second fixing holes 422 are disposed on each sliding member 42, the two second fixing holes 422 are symmetrically distributed on the sliding member 42, and the distance between the first fixing hole 421 and the fixing plate 1 is smaller than the distance between the second fixing hole 422 and the fixing plate 1, i.e. the distance between the first fixing hole 421 and the connecting plate 2 is larger than the distance between the second fixing hole 422 and the connecting plate 2. The sliding piece 42 is made of stainless steel materials, the inner wall of the sliding piece 42 is smooth and burr-free, and the surface roughness of the inner wall of the sliding piece 42 is less than or equal to 0.25.
It will be appreciated that in some other embodiments, the slider 42 may also be made of carbon fiber material, plastic material, or aluminum material.
As shown in fig. 1, the elastic member 43 is sleeved outside the guide member 41 and is located between the sliding member 42 and the fixing plate 1. One end of the elastic member 43 is abutted against the fixing plate 1, the other end of the elastic member 43 is abutted against the sliding member 42, the elastic member 43 is a compression spring, and when the sliding member 42 is vibrated by an external force to slide toward the fixing plate 1, the elastic member 43 provides a buffering effect for sliding of the sliding member 42, so that the sliding member 42 is prevented from being too fast and damaging or vibrating the camera 3 sliding together with the sliding member 42.
As shown in fig. 6, the connector 44 includes a main body 440 and a fixing portion 441, the main body 440 is elongated, and a portion of the main body 440 is received in the guide slot 411; the fixing portion 441 extends from a side of the body portion 440 away from the guide slot 411 toward the slider 42, the fixing portion 441 is received in and fixed in the second fixing hole 422, and the fixing portion 441 and the second fixing hole 422 are in interference fit, so as to achieve the fixed connection between the connecting member 44 and the slider 42. The sliding member 42 slides along the axial direction of the guide member 41 along with the coupling member 44 in the guide slot 411, achieving circumferential positioning of the sliding member 42 and the guide member 41, preventing rotation of the sliding member 42 relative to the guide member 41.
It will be appreciated that in other embodiments, the connecting member 44 may be integrally formed with the sliding member 42, i.e., a rib protruding from an inner wall of the sliding member 42 may slide in the guiding slot 411.
As shown in fig. 1 and 7, the limiting member 45 is partially received in the limiting groove 412 through the first fixing hole 421, and the limiting member 45 is fixed to the sliding member 42, so that the stroke of the sliding member 42 is approximately equal to the length of the limiting groove 412 along the axial direction of the guiding groove 411, and the sliding member 42 is not separated from the guiding member 41 by the cooperation of the limiting member 45 and the limiting groove 412.
The limiting member 45 may be a screw, a pin or a socket pin.
It will be appreciated that in some other embodiments, the buffer assembly 4 may be an elastic member such as rubber, silica gel, sponge or spring, and one end of the buffer assembly 4 is fixed on the fixing plate 1, and the other end of the buffer assembly 4 is fixed on the connecting plate 2, so as to provide a buffer effect for the connecting plate 2 and the camera 3, and reduce the probability of damage or dislocation of the camera 3 caused by vibration during factory shipment, transportation and use.
When assembling the surgical navigation camera 100, first, the connector 44 and the slider 42 are fixed, and the two cameras 3 and the slider 42 to which the connector 44 is fixed are fixed to opposite sides of the connector 44, respectively, to form a first assembly; fixedly connecting the two guides 41 and the fixing portion 441; then, the body 440 of the connector 44 is slid along the guide slot 411 of the guide 41; finally, the limiting piece 45 is inserted through the first fixing hole 421 and is received in the limiting groove 412, so as to complete the assembly and fixing of the surgical navigation camera 100.
The embodiment of the invention has the following beneficial effects:
1) By arranging the buffer component 4 between the fixed plate 1 and the connecting plate 2, on one hand, displacement or damage to the camera 3 caused by vibration of the surgical navigation camera 100 in the process of delivery, transportation and use is reduced, the precision of the camera 3 is ensured, and further the measurement precision of the surgical navigation camera 100 is ensured; on the other hand, the instability caused by the factors of heating of a power supply, heating of other chips, external heat sources and the like when the camera 3 is directly connected to the fixed plate 1 is reduced;
2) The guide piece 41 is provided with a guide slot 411, and the sliding piece 42 slides in the guide slot 411 through the body 440 of the connecting piece 44, so that the circumferential positioning of the sliding piece 42 and the guide piece 41 is realized;
3) The cooperation of the limit groove 412 and the limit piece 45 fixed to the slider 42 defines the stroke of the slider 42 on the one hand; on the other hand, the slider 42 is prevented from slipping off the guide 41.
It should be noted that while the present invention has been illustrated in the drawings and described in connection with the preferred embodiments thereof, it is to be understood that the invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but are to be construed as providing a full breadth of the disclosure. The above-described features are further combined with each other to form various embodiments not listed above, and are considered to be the scope of the present invention described in the specification; further, modifications and variations of the present invention may be apparent to those skilled in the art in light of the foregoing teachings, and all such modifications and variations are intended to be included within the scope of this invention as defined in the appended claims.
Claims (4)
1. A surgical navigation camera, comprising:
A fixing plate;
a connecting plate;
The camera is connected to the connecting plate;
the buffer component is positioned between the connecting plate and the fixed plate and used for reducing vibration of the camera, the buffer component comprises a guide piece, a sliding piece and an elastic piece, one end of the guide piece is fixed on the fixed plate, the sliding piece is sleeved outside the guide piece and can slide relative to the guide piece along the normal direction of the fixed plate, one end of the sliding piece, which is far away from the fixed plate, is fixed with the connecting plate, the elastic piece is sleeved outside the guide piece and is positioned between the fixed plate and the sliding piece, and the elastic piece is used for providing a buffer force for sliding of the sliding piece;
the connecting piece is fixedly connected with the sliding piece, a guide groove is formed in the guide piece, and the connecting piece part is accommodated in the guide groove and can slide in the guide groove;
The guide piece is provided with a limiting groove, the sliding piece is hollow with an upper opening and a lower opening, the sliding piece is provided with a first fixing hole penetrating through the inner wall and the outer wall of the sliding piece, and the limiting piece penetrates through the first fixing hole and is partially accommodated in the limiting groove;
the connecting piece comprises a body part and a fixing part, wherein the body part is in a strip shape, the body part is accommodated in the guide groove, the fixing part extends from the body part to the sliding piece to form the connecting piece, a second fixing hole is formed in the sliding piece, the fixing part is accommodated in and fixed to the second fixing hole, the fixing part and the second fixing hole are in interference fit, and the distance between the first fixing hole and the fixing plate is smaller than the distance between the second fixing hole and the fixing plate;
one end of the guide piece is provided with external threads, the fixing plate is provided with internal screw holes, and the external threads are matched with the internal screw holes, so that the guide piece and the fixing plate are fixed;
The connecting plate is provided with a through hole, and the other end of the guide piece can pass through the through hole;
the fixing plate, the connecting plate, the guide piece and the sliding piece are all made of stainless steel materials, carbon fiber materials, plastic materials or aluminum materials, and the limiting piece is a screw, a pin or a socket pin.
2. A surgical navigation camera according to claim 1, wherein the resilient member is a compression spring.
3. A surgical navigation camera according to claim 1, wherein the cushioning assembly comprises any one of rubber, silicone, sponge, spring.
4. The surgical navigation camera of claim 1, wherein the number of guide grooves is two, the guide grooves are symmetrically arranged on the guide member, the number of the connecting members is two, and the number of the second fixing holes is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810608702.6A CN108524012B (en) | 2018-06-13 | 2018-06-13 | Surgical navigation camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810608702.6A CN108524012B (en) | 2018-06-13 | 2018-06-13 | Surgical navigation camera |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108524012A CN108524012A (en) | 2018-09-14 |
| CN108524012B true CN108524012B (en) | 2024-09-17 |
Family
ID=63469991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810608702.6A Active CN108524012B (en) | 2018-06-13 | 2018-06-13 | Surgical navigation camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108524012B (en) |
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| Publication number | Publication date |
|---|---|
| CN108524012A (en) | 2018-09-14 |
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