A kind of CT puncture accurate location deviceTechnical field
This utility model belongs to medical instruments field, particularly relates to a kind of CT puncture accurate location device.
Background technology
At present, medical worker is when carrying out the operation of CT localised puncture, first on the body surface of puncture target, stick CT Position Scale, by CT scan, according to the relation of metal ruler point on scintigram with puncture target, make point of puncture and puncture angle, then selected point of puncture inserting needle on human body, the main experience of operator and the technical merit of relying on punctures to the target in the imagination, needs repeatedly CT scan to confirm puncture needle position, complex operation, the radiation dose that patient bears is large.
At present, the Pinpoint system be made up of laser positioning, reconstruction of three-dimensional images stereoscopic localized and mechanical hand etc. is applied to CT interventional therapy, location, fixed point are accurately, Robot actions is stable, monitor can show puncture inserting needle track, advantage is had more to the puncture of small lesion or deep focus, a much progress of CT interventional therapy, but apparatus expensive, be difficult to Grass-roots Hospital again.
Utility model content
For above existing Problems existing, this utility model provides a kind of CT puncture accurate location device, accurately can make point of puncture and puncture angle and paracentesis depth, and the target for point of puncture on same or not same CT tangent plane all can carry out the CT guiding puncture position finder of venipuncture, cheap, convenient, be easy to operation and carry out.
The technical solution of the utility model is:
This utility model provides a kind of CT puncture accurate location device, comprise locking unit A, slideway, arc support rod, locking unit B, hand lever, base, suspension rod, manual knob, leading screw A, support, guide pin, needle stand, leading screw B and fixture block, described slideway is in the top of described arc support rod, described fixture block is arranged in described slideway, described locking unit A and described suspension rod are arranged on the two ends up and down of described fixture block respectively, described leading screw B is arranged on the lower end of described suspension rod and its lower end is provided with described support, described leading screw A installs on the bracket and its two ends, left and right are separately installed with described needle stand and described manual knob, the lower end of described arc support rod is arranged on described base, described locking unit B and described hand lever be the symmetrical bottom being arranged on described arc support rod respectively, described guiding pin is arranged in described needle stand.
Further, described fixture block is constrained in described slideway by locking unit A and described suspension rod and also only can move along described slideway.
Further, described needle stand is retrained by leading screw A and only can rotate around described leading screw A, and can be passed through described leading screw A by described manual knob and described support keeps locking.
Further, described support is driven can be moved up and down by described leading screw B.
Further, around base rotation under described arc support rod can be driven by described hand lever, and itself and described base can be kept locking by described locking unit B.
This utility model is owing to have employed above-mentioned technology, and making it compared with prior art concrete positive beneficial effect is:
1, this utility model accurately can make point of puncture and puncture angle and paracentesis depth.
2, the target of this utility model for point of puncture on same or not same CT tangent plane all can carry out the CT guiding puncture location of venipuncture.
3, this utility model cost is lower, is convenient to promote at vast basic medical unit.
4, this utility model structure is simple, safe and reliable, has good market prospect.
5, this utility model good product performance, long service life.
Accompanying drawing explanation
Fig. 1 is the overall structure axonometric chart of this utility model structure.
In figure: 1-locking unit A, 2-slideway, 3-arc support rod, 4-locking unit B, 5-hand lever, 6-base, 7-suspension rod, 8-manual knob, 9-leading screw A, 10-support, 11-guides pin, 12-needle stand, 13-leading screw B, 14-fixture block.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail, and embodiment of the present utility model includes but not limited to the following example.
Embodiment: to achieve these goals, the technical solution adopted in the utility model is as follows:
As shown in Figure 1, this utility model provides a kind of CT puncture accurate location device, comprise locking unit A1, slideway 2, arc support rod 3, locking unit B4, hand lever 5, base 6, suspension rod 7, manual knob 8, leading screw A9, support 10, guide pin 11, needle stand 12, leading screw B13 and fixture block 14, slideway 2 is in the top of arc support rod 3, fixture block 14 is arranged in slideway 2, locking unit A1 and suspension rod 7 are arranged on the two ends up and down of fixture block 14 respectively, leading screw B13 is arranged on the lower end of suspension rod 7 and its lower end is provided with support 10, leading screw A9 installs over the mount 10 and its two ends, left and right are separately installed with needle stand 12 and manual knob 8, the lower end of arc support rod 3 is arranged on base 6, locking unit B4 and hand lever 5 be the symmetrical bottom being arranged on arc support rod 3 respectively, pin 11 is guided to be arranged in needle stand 12.
This utility model is set to further: fixture block 14 is constrained in slideway 2 by locking unit A1 and suspension rod 7 and also only can move along slideway 2.
This utility model is set to further: needle stand 12 is retrained by leading screw A9 and only can rotate by wrapping wire thick stick A9, and it can be kept locking by leading screw A9 and support 10 by manual knob 8.
This utility model is set to further: support 10 is driven can be moved up and down by leading screw B13.
This utility model is set to further: arc support rod 3 can be driven down by hand lever 5 and rotate around base 6, and itself and base 6 can be kept locking by locking unit B4.
By adopting technique scheme, when this utility model is in normal operating conditions, CT puncture positioning device provided by the utility model is arranged on testbed by base 6, the accurate location guiding pin 11 is completed by following four actions, namely one, arc support rod 3 is driven down by hand lever 5 and turns an angle around base 6, then by locking unit B4, itself and base 6 are kept locking, thus make to guide pin 11 to complete running fix on horizontal plane; Two, fixture block 14 is moving a certain distance along slideway 2, is then locked in slideway 2 by locking unit A1 and suspension rod 7, thus makes to guide pin 11 to complete running fix along slideway 2; Three, support 10 is driven can be moved up and down by leading screw B13, thus makes to guide pin 11 to complete the rotational positioning of wrapping wire thick stick B13; Four, needle stand 12 wrapping wire thick stick A9 turns an angle, and then it is kept locking by leading screw A9 and support 10 by manual knob 8, thus makes to guide pin 11 to complete the rotational positioning of wrapping wire thick stick A9.To sum up, can accurately realize guiding pin 11 to locate with arbitrary height, the arbitrarily angled CT guiding puncture that realizes on the bed surface of bed body.
Above an embodiment of the present utility model has been described in detail, but described content being only preferred embodiment of the present utility model, can not being considered to for limiting practical range of the present utility model.All equalizations done according to this utility model application range change and improve, and all should still belong within patent covering scope of the present utility model.