CN215534853U - Universal snake-shaped fixer - Google Patents
Universal snake-shaped fixer Download PDFInfo
- Publication number
- CN215534853U CN215534853U CN202120772997.8U CN202120772997U CN215534853U CN 215534853 U CN215534853 U CN 215534853U CN 202120772997 U CN202120772997 U CN 202120772997U CN 215534853 U CN215534853 U CN 215534853U
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- snake
- shaped
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- knob
- steel wire
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- 238000003825 pressing Methods 0.000 claims description 8
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 10
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- 230000003028 elevating effect Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000010146 3D printing Methods 0.000 description 2
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- 241000018646 Pinus brutia Species 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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- 239000003814 drug Substances 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013188 needle biopsy Methods 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 238000007674 radiofrequency ablation Methods 0.000 description 1
- 230000000392 somatic effect Effects 0.000 description 1
Images
Abstract
The utility model belongs to the field of medical equipment, and particularly relates to a universal snake-shaped fixer which comprises a fixed base and a lifting device, wherein one end of the lifting device is arranged on the fixed base and is vertically connected with the fixed base, and the other end of the lifting device is connected with a rotating device which can rotate around the end part of the lifting device; the fixer still includes universal snakelike joint device, universal snakelike joint device's one end is fixed on rotary device, is connected with the spirit level mount pad on the other end, the other end of spirit level mount pad is provided with template and adds the device of holding. The universal snake-shaped fixer has a simple structure, is small and exquisite, only needs to adjust the lifting device 2 and the rotating device 3 to approximate proper positions, and the remaining fine adjustment of each direction can be adjusted by the universal snake-shaped joint, so that the universal snake-shaped fixer is simple and convenient to operate and convenient to use.
Description
Technical Field
The utility model belongs to the field of medical equipment, and particularly relates to a universal snake-shaped fixer.
Background
With the increasing of malignant tumor onset year by year and the continuous development of precise medicine and tumor minimally invasive technology, various precise puncture guiding technologies, such as laser guiding, electromagnetic navigation, 3D printing templates and the like, appear. The 3D printing template guide puncture technology is mature, the accuracy of the operation and the safety of various percutaneous puncture operations are improved, the difficulty and risk of the operation are reduced, and more applications are obtained. The template guide puncture technology needs the fixation of a support, but the traditional puncture navigation support system has fewer adjustable mechanisms, various fixing devices and complex operation, cannot meet the special requirements of doctors in the operation, has high cost, cannot be suitable for various types of templates, needs repeated purchase, and increases the purchase cost of hospitals and the economic burden of patients.
In order to solve the above problem, chinese patent, utility model patent with publication number CN208511137U discloses a universal joint formula somatic part fixer, this fixer is used for realizing the space stereotactic of fixer arbitrary angle through setting up the montant, the horizontal pole, vertical pole and universal cloud platform, want to fix to a certain position, need borrow the montant to adjust the height, borrow the distance of horizontal pole or vertical pole regulation X axle or Y axle respectively, the angle of universal cloud platform regulation template is recycled, the structure is complicated, it is more loaded down with trivial details to adjust, not only need adjust the montant respectively, the horizontal pole, vertical pole and universal cloud platform, still need the montant, the horizontal pole, vertical pole and universal cloud platform each other properly cooperate just can reach this position.
Disclosure of Invention
Aiming at the technical problem, the utility model provides a universal snake-shaped fixer which is simple in structure, flexible and convenient to adjust and convenient to use.
In order to achieve the purpose, the utility model adopts the following technical scheme: the universal snake-shaped fixer comprises a fixed base and a lifting device, wherein one end of the lifting device is arranged on the fixed base and is vertically connected with the fixed base, and the other end of the lifting device is connected with a rotating device which can rotate around the end part of the lifting device; the fixer still includes universal snakelike joint device, universal snakelike joint device's one end is fixed on rotary device, is connected with the spirit level mount pad on the other end, the other end of spirit level mount pad is provided with template and adds the device of holding.
Furthermore, the universal snake-shaped joint device comprises a snake-shaped joint body and a first adjusting mechanism, wherein the snake-shaped joint body comprises a plurality of snake-shaped joints, one end of each snake-shaped joint is a hemispherical protrusion, the other end of each snake-shaped joint is a hemispherical groove matched with the hemispherical protrusion, and the snake-shaped joints are connected end to end; the first adjusting mechanism comprises a steel wire and an adjusting part, the steel wire penetrates through the head and the tail of the snake-shaped joint body, one end of the steel wire is fixed to the head of the snake-shaped joint body, the other end of the steel wire is connected with the adjusting part arranged at the tail of the snake-shaped joint body, and the adjusting part can control the tightness of the steel wire.
Furthermore, the adjusting part is a rotating handle arranged on the side part of the tail end of the snake-shaped joint, the steel wire is connected with a rotating shaft of the rotating handle, and the rotating handle can rotate to wind, tighten or release the steel wire.
Furthermore, the adjusting part is a first knob arranged at the tail end of the snake-shaped joint body, the steel wire is connected with a rotating shaft of the first knob, and the first knob can be rotated to wind, tighten or release the steel wire.
Furthermore, the fixed base comprises a U-shaped base, a second knob and a pressing sheet, a rotating shaft of the second knob is in threaded connection with an upper sheet of the U-shaped base and extends into the U-shaped base, and the pressing sheet is connected to the bottom end of the rotating shaft of the second knob.
Further, elevating gear includes first urceolus, first inner tube, staple bolt and quick detach nut, the one end suit of first urceolus is in the one end of first inner tube, first urceolus is connected the opening part cover of first inner tube is equipped with the staple bolt, the both ends of staple bolt are passed through quick detach nut and are connected.
Further, rotary device includes rotating part and third knob, the rotating part suit is in the tip of first inner tube, the pivot of third knob passes the lateral part of rotating part with first inner tube contacts.
Further, universal snakelike joint device with be provided with second adjustment mechanism between the spirit level mount pad, second adjustment mechanism includes second urceolus, second inner tube and fourth knob, the one end suit of second urceolus is in one end on the second inner tube, the fourth knob passes the inner wall of second urceolus with the outer wall of second inner tube contacts, the other end of second urceolus with the one end of universal snakelike joint device, the other end of second inner tube with the spirit level mount pad links to each other.
Further, the template clamping device comprises an upper piece and a lower piece, the lower piece is fixedly connected with the level meter mounting seat, and the upper piece and the lower piece are connected through fastening bolts.
The universal snake-shaped fixer has a simple structure, is small and exquisite, only needs to adjust the lifting device 2 and the rotating device 3 to approximate proper positions, and the remaining fine adjustment of each direction can be adjusted by the universal snake-shaped joint, so that the universal snake-shaped fixer is simple and convenient to operate and convenient to use.
Drawings
FIG. 1 is a schematic view of a gimbal snake holder;
FIG. 2 is another view of the gimbaled serpentine retainer;
FIG. 3 is another view of the gimbaled serpentine retainer;
FIG. 4 is a schematic structural diagram of a universal serpentine joint device;
FIG. 5 is a schematic view of another construction of the gimbal snake holder;
in the above figures: 1-fixing a base; 11-U-shaped base; 12-a second knob; 13-tabletting; 2-a lifting device; 21-a first outer barrel; 22-a first inner barrel; 23-hoop; 24-quick release nut; 3-a rotating device; 31-a rotating part; 32-a third knob; 4-universal serpentine joint means; 41-serpentine joint; 42-rotating the handle; 5-a level meter mounting base; 6-template clamping device; 61-loading the slices; 62-lower slice; 63-fastening bolts; 7-a second adjustment mechanism; 71-a second outer barrel; 72-a second inner cylinder; 73-fourth knob.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Aiming at the problems of complex structure and complex adjustment of a template fixer in the prior art, the utility model provides a universal snake-shaped fixer, which comprises a fixed base 1 and a lifting device 2, wherein one end of the lifting device 2 is arranged on the fixed base 1 and is vertically connected with the fixed base 1, the other end of the lifting device 2 is connected with a rotating device 3, and the rotating device 3 can rotate around the end part of the lifting device 2; in addition, the universal snake-shaped fixer further comprises a universal snake-shaped joint device 4, one end of the universal snake-shaped joint device 4 is fixed on the rotating device 3, the other end of the universal snake-shaped joint device 4 is connected with a level meter mounting seat 5, and the other end of the level meter mounting seat 5 is provided with a template clamping device 6.
As shown in figure 1, the universal snake-shaped fixer is sequentially provided with a fixed base 1, a lifting device 2, a rotating device 3, a universal snake-shaped joint 4, a level instrument mounting seat 5 and a template clamping device 6 from bottom to top.
Specifically, as shown in fig. 2, the fixing base 1 includes a U-shaped base 11, a second knob 12 and a pressing plate 13, a rotating shaft of the second knob 12 is spirally connected with an upper plate of the U-shaped base 11 and extends into the U-shaped base 11, and the pressing plate 13 is connected to a bottom end of the rotating shaft of the second knob 12. When the fixing device is used, the second knob 12 is rotated upwards to drive the pressing sheet 13 to move upwards, then the U-shaped base 11 is clamped at a proper position on the CT scanning bed board, the second knob 12 is rotated downwards to drive the pressing sheet 13 to move downwards, and then the fixing device is fixed on the CT scanning bed board.
The lifting device 2 adopts a quick-release lifting structure commonly used on bicycles, as shown in fig. 1, the lifting device 2 comprises a first outer cylinder 21, a first inner cylinder 22, a hoop 23 and a quick-release nut 24, one end of the first outer cylinder 21 is sleeved at one end of the first inner cylinder 22, the hoop 23 is sleeved at an opening of the first outer cylinder 21 connected with the first inner cylinder 22, and two ends of the hoop 23 are connected through the quick-release nut 24. During the use, open quick detach nut 24, adjust elevating gear 2's height, when reaching suitable position, close quick detach nut 24 can. The lifting device is simple in structure, can be quickly adjusted to a proper height and locked, and is very convenient to use.
As shown in fig. 3, the rotating device 3 includes a rotating portion 31 and a third knob 32, the rotating portion 31 is sleeved on an end portion of the first inner cylinder 22, and a rotating shaft of the third knob 32 passes through a side portion of the rotating portion 31 to contact with the first inner cylinder 22. When the universal snake-shaped joint device is used, the third knob 32 is rotated outwards to be away from the outer wall of the first inner cylinder 22, the rotating part 31 is adjusted to a proper angle, then the third knob 32 is rotated inwards to be pressed tightly against the outer wall of the first inner cylinder 22, and at the moment, the universal snake-shaped joint device can be fixed at a proper position.
The structure of the universal snake-shaped joint device 4 is shown in fig. 4, the universal snake-shaped joint device comprises a snake-shaped joint body and a first adjusting mechanism 42, the snake-shaped joint body comprises a plurality of snake-shaped joints 41, one end of each snake-shaped joint 41 is a hemispherical bulge, the other end of each snake-shaped joint 41 is a hemispherical groove matched with the hemispherical bulge, and the snake-shaped joints 41 are connected end to form the snake-shaped joint body; first adjustment mechanism includes steel wire and regulating part, and the steel wire runs through snakelike joint body head and the tail, and its one end is fixed in the prelude of snakelike joint body, and the other end links to each other with the regulating part that sets up at snakelike joint body afterbody, and the elasticity of steel wire can be controlled to the regulating part. The snakelike joint body is that a plurality of snakelike joints 41 end to end combination are in the same place, and hemispherical protruding and recess cooperation for the joint connection is nimble, runs through snakelike joint body end to end through the steel wire, and when the steel wire pine, snakelike joint body is very nimble, can realize universal regulation, when adjusting to suitable position, screws up the steel wire, can fix the shape of snakelike joint body.
In this embodiment, a specific structure of an adjusting portion is provided, as shown in fig. 4, the adjusting portion is a rotating handle 42 disposed at a side portion of the tail end of the serpentine joint body, a steel wire is connected to a rotating shaft of the rotating handle 42, and the rotating handle 42 can rotate to wind or unwind the steel wire, so as to adjust and lock the universal serpentine joint device.
In another embodiment, another specific structure of the adjusting portion is provided, as shown in fig. 5, the adjusting portion is a first knob 43 disposed at the tail end of the serpentine joint body, the steel wire is connected to a rotating shaft of the first knob 43, and the first knob 43 can be rotated to wind or unwind the steel wire, thereby achieving adjustment and locking of the universal serpentine joint device.
Further, a second adjusting mechanism 7 is arranged between the universal serpentine joint device 4 and the level meter mounting base 5, as shown in fig. 4, the second adjusting mechanism 7 includes a second outer cylinder 71, a second inner cylinder 72 and a fourth knob 73, one end of the second outer cylinder 71 is sleeved on one end of the second inner cylinder 72, the fourth knob 73 penetrates through the inner wall of the second outer cylinder 71 to contact with the outer wall of the second inner cylinder 72, the other end of the second outer cylinder 71 is connected with one end of the universal serpentine joint device 4, and the other end of the second inner cylinder 72 is connected with the level meter mounting base 5. The rotation direction of the level can be conveniently adjusted by arranging the second adjusting mechanism 7.
The end part of the universal snake-shaped fixer is provided with a template clamping device 6 for clamping the puncture template. The template clamping device 6 comprises an upper piece 61 and a lower piece 62, wherein the lower piece 61 is fixedly connected with the level instrument mounting seat 5 and can be integrally formed during manufacturing, and the upper piece 61 and the lower piece 62 are connected through a fastening bolt 63. The fixing and the dismounting of the puncture template can be realized through the forward and reverse rotation of the fastening bolt.
The basic process of performing the operation by adopting the fixator comprises the following steps: a vacuum pad is placed on a CT scanning bed, the patient lies on the vacuum pad in an operation position, the vacuum pump evacuates the vacuum pad to fix the patient position, CT scanning is carried out on the patient to be subjected to the minimally invasive treatment operations of CT guided needle biopsy, microwave, radio frequency ablation, particle implantation and the like, image data is collected, and the size and the range of a focus are measured on a CT image. Designing an operation scheme, determining the angle and depth required by a safe operation path of the external percutaneous puncture focus, and marking an external needle insertion point on the body surface. The method comprises the steps of fixing a fixer on a CT scanning bed board through a fixing base 1 according to the focus position, fixing a level meter on a level meter mounting seat 5, fixing a puncture template through a template clamping device 6, slightly adjusting a lifting device 2 and a rotating device 3 to approximately proper positions, then arranging the puncture template above a needle inlet point through adjusting a universal snake-shaped joint device 4, adjusting the angle of a guider through the level meter to be consistent with the CT measuring angle, fixing, inserting a puncture needle after determining the needle inlet angle, determining the position of the puncture needle through CT scanning, placing radioactive particles or an ablation electrode after reaching the position, achieving the purpose of minimally invasive tumor treatment, and enabling the CT guided minimally invasive treatment to achieve rapidness, convenience, accuracy and easiness in operation.
Above-mentioned universal snakelike fixer simple structure, small and exquisite only needs to adjust elevating gear 2 and rotary device 3 to about suitable position, remaining each position fine adjustment all by universal snakelike joint adjust can, easy operation is convenient, convenient to use.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the utility model as defined in the appended claims.
Claims (9)
1. The universal snake-shaped fixer comprises a fixed base and a lifting device, and is characterized in that one end of the lifting device is arranged on the fixed base and is vertically connected with the fixed base, and the other end of the lifting device is connected with a rotating device which can rotate around the end part of the lifting device; the fixer still includes universal snakelike joint device, universal snakelike joint device's one end is fixed on rotary device, is connected with the spirit level mount pad on the other end, the other end of spirit level mount pad is provided with template and adds the device of holding.
2. The gimbal snake holder of claim 1, wherein: the universal snake-shaped joint device comprises a snake-shaped joint body and a first adjusting mechanism, wherein the snake-shaped joint body comprises a plurality of snake-shaped joints, one end of each snake-shaped joint is a hemispherical protrusion, the other end of each snake-shaped joint is a hemispherical groove matched with the hemispherical protrusion, and the snake-shaped joints are connected end to end; the first adjusting mechanism comprises a steel wire and an adjusting part, the steel wire penetrates through the head and the tail of the snake-shaped joint body, one end of the steel wire is fixed to the head of the snake-shaped joint body, the other end of the steel wire is connected with the adjusting part arranged at the tail of the snake-shaped joint body, and the adjusting part can control the tightness of the steel wire.
3. The gimbal snake holder of claim 2, wherein: the adjusting part is a rotating handle arranged on the side part of the tail end of the snake-shaped joint, the steel wire is connected with a rotating shaft of the rotating handle, and the rotating handle can wind or unwind the steel wire by rotating.
4. The gimbal snake holder of claim 2, wherein: the adjusting part is a first knob arranged at the tail end of the snake-shaped joint body, the steel wire is connected with a rotating shaft of the first knob, and the first knob can be rotated to wind or release the steel wire.
5. The gimbal snake holder of any of claims 1-4, wherein: the fixed base comprises a U-shaped base, a second knob and a pressing sheet, a rotating shaft of the second knob is in threaded connection with an upper sheet of the U-shaped base and extends into the U-shaped base, and the pressing sheet is connected to the bottom end of the rotating shaft of the second knob.
6. The gimbal snake holder of claim 5, wherein: the lifting device comprises a first outer barrel, a first inner barrel, a hoop and a quick-release nut, wherein one end of the first outer barrel is sleeved at one end of the first inner barrel, the first outer barrel is connected with the hoop in a sleeved mode at an opening of the first inner barrel, and two ends of the hoop are connected through the quick-release nut.
7. The gimbal snake holder of claim 6, wherein: the rotating device comprises a rotating part and a third knob, the rotating part is sleeved on the end part of the first inner cylinder, and a rotating shaft of the third knob penetrates through the side part of the rotating part and contacts with the first inner cylinder.
8. The gimbal snake holder of claim 7, wherein: universal snakelike joint device with be provided with second adjustment mechanism between the spirit level mount pad, second adjustment mechanism includes second urceolus, second inner tube and fourth knob, the one end suit of second urceolus is in one end on the second inner tube, the fourth knob passes the inner wall of second urceolus with the outer wall of second inner tube contacts, the other end of second urceolus with the one end of universal snakelike joint device, the other end of second inner tube with the spirit level mount pad links to each other.
9. The gimbal snake holder of claim 8, wherein: the template clamping device comprises an upper piece and a lower piece, the lower piece is fixedly connected with the level meter mounting seat, and the upper piece and the lower piece are connected through fastening bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120772997.8U CN215534853U (en) | 2021-04-15 | 2021-04-15 | Universal snake-shaped fixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120772997.8U CN215534853U (en) | 2021-04-15 | 2021-04-15 | Universal snake-shaped fixer |
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| Publication Number | Publication Date |
|---|---|
| CN215534853U true CN215534853U (en) | 2022-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120772997.8U Expired - Fee Related CN215534853U (en) | 2021-04-15 | 2021-04-15 | Universal snake-shaped fixer |
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| Country | Link |
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| CN (1) | CN215534853U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116172727A (en) * | 2023-04-27 | 2023-05-30 | 北京大学人民医院 | Medical instrument fixing device |
-
2021
- 2021-04-15 CN CN202120772997.8U patent/CN215534853U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116172727A (en) * | 2023-04-27 | 2023-05-30 | 北京大学人民医院 | Medical instrument fixing device |
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Granted publication date: 20220118 |