CN2834447Y

CN2834447Y - Medical universal positioning device

Info

Publication number: CN2834447Y
Application number: CNU2005200980928U
Authority: CN
Inventors: 李照文
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-09-15
Filing date: 2005-09-15
Publication date: 2006-11-08
Anticipated expiration: 2015-09-15

Abstract

The utility model relates to a medical universal positioning device used for positioning a sleeve barrel or a positioning needle in tissue cut and extraction, puncture, drain and endermic fracture fixation. The utility model belongs to the field of medical appliances. The utility model is composed of a base, a vertical sleeve pipe, a horizontal sleeve pipe, an end sleeve pipe knot, a middle sleeve pipe knot, an orientator and a sleeve pipe telescopic fixing knot, wherein the vertical sleeve pipe, the horizontal sleeve pipe and a telescopic sleeve pipe have an inside and outside sleeve pipe type telescopic structure; the sleeve pipes are fixed by the sleeve pipe telescopic fixing knot; the orientator is fixed on the horizontal sleeve pipe through the telescopic sleeve pipe; the sleeve barrels or puncture needles are fixed by the orientator; the orientator can be adjusted to 360 DGR in a stereo way and can carry out plane orientation and stereo orientation. The utility model solves the problems that the sleeve barrels, the puncture needles, etc. are held by medical staff through hands, the orientation is not accurate, which causes patients to be repeatedly punctured, and the x-rays harm the body of the medical staff in the orientation through CT guide or the orientation through an X-ray machine of the operations of cutting and extracting, puncturing, etc. in hospitals for people at present. The utility model is suitable for being used in hospitals of all levels.

Description

Medical universal localizer

Affiliated technical field:

This utility model relate to a kind ofly cut at tissue, the medical universal localizer of abutment sleeve or positioning needle when puncture drainage, percutaneous fracture fixation, belong to medical instruments field.

Background technology:

The people eats mixed grain rice, falls ill unavoidably.For some disease, need cut in vivo, puncture; For some orthopaedics cases, fix fracture site, also need bone in the body is screwed into screw etc. after with bit bore.For the treatment of these above-mentioned cases, all be by rule of thumb puncture needle or sleeve to be inserted affected area in the past by the doctor, often will be through repeatedly inserting accurate lesions position, what patient bore is painful big, and doctor's physical labor intensity is also big.Continuous development along with Medical Technology, now can be by puncturing at percutaneous puncture under the CT guiding location or after with the X-ray machine location, during the location, with sleeve pipe or puncture needle earlier external by orientation and theta alignment focus after, once promptly can accurately implement operation to focus.But now when carrying out CT guiding location or locating with X-ray machine, sleeve or puncture needle all are that medical personnel hold with hands and carry out, it is because the shake of hands or move that this way exists one, make that the location is inaccurate or aim at after the changing of the relative positions is arranged again, and make that the lesions position of final puncture is inaccurate; The 2nd, when the medical worker held with hands, CT machine and X-ray machine produced a large amount of radiation to human body, injury medical worker's health.The 3rd, owing to can not accurately locate, can not avoid the misery that punctures repeatedly and bring equally to patient.

Summary of the invention:

The purpose of this utility model is: provide a kind of finder that sleeve and puncture needle are fixed by locating support, can 360 ° of stereo-regulation, and can carry out plane positioning, can carry out the solid location again; Can put on the ground, also can also be fixed on localized medical universal localizer on CT machine or the X-ray machine bed surface on one's sick bed to the lesions position location.

This utility model is to realize above-mentioned purpose by following technical solution:

This medical universal localizer is become by base, vertical annulus, horizontal case, end cover duct ligation, middle parts casing pipe knot, finder and the Telescopic Fixed roped party of sleeve pipe, it is characterized in that: vertical annulus, horizontal case and telescopic tube are internal and external casing formula stretching structure, fix by the Telescopic Fixed knot of sleeve pipe between the sleeve pipe; The bottom casing joint of vertical annulus is fixedlyed connected with base, and the end of the outermost casing joint of horizontal case is fixed with a finder by the telescopic tube connection by end cover duct ligation.The middle part of horizontal case is fixed with a finder by the telescopic tube connection by middle parts casing pipe knot.The holder of finder and the end of telescopic tube can be carried out 360 ° of rotations of level and be fixed by tightening up screw, be fixed with a holder by lock-screw on the connecting axle of holder, the adjustment screw of one scalable draw-in groove is housed on the holder, is shaped at least one fixing hole in the draw-in groove of holder.

This utility model compared with prior art has following beneficial effect:

Accurate positioning when adopting this utility model to carry out CT machine or the definite puncture of X-ray machine or built-in telescopic direction and depth localization reduces personal error; CT machine or X-ray machine are to the radiation of human body when avoiding the medical worker to hold sleeve or puncture needle with hands; Avoided the inaccurate misery that the human body repeated localised puncture is brought to patient in fixed position; Pack in the fixing hole on the localizer and can place puncture needle behind the sleeve, also can stretch into drill bit and be screwed into screw after to skeleton boring; Also can not adorn working column, steinman pin etc. directly is installed in locating hole be carried out treatments such as bone external fixation.

Description of drawings:

Fig. 1 is the middle part of the horizontal case of medical universal localizer and the structural representation that finder all is equipped with in the end;

Fig. 2 is equipped with the structural representation of finder for the end of the horizontal case of medical universal localizer;

Fig. 3 is the structural representation of localizer;

Fig. 4 is the structural representation of end cover duct ligation.

Among the figure: 1. base, 2. vertical annulus, 3. horizontal case, 4. end cover duct ligation, 5. in parts casing pipe knot, 6. finder, 7. the Telescopic Fixed knot of sleeve pipe, 8. telescopic tube, 9. set bolt, 10. medical thrust device, 11. holders, 12. tighten up screw, 13. connecting axle, 14. holders, 15. lock-screws, 16. adjustment screw, 17. draw-in grooves, 18. fixing holes.

The specific embodiment:

This medical universal localizer is made up of base 1, vertical annulus 2, horizontal case 3, end cover duct ligation 4, middle parts casing pipe knot 5, finder 6 and the Telescopic Fixed knot 7 of sleeve pipe.The bottom casing joint of vertical annulus 2 and base 1 be for fixedlying connected, extending between the sleeve pipe of vertical annulus 2 and horizontal case 3, shorten or 360 ° rotate to after the work desired location by the Telescopic Fixed knot of sleeve pipe 7 fixing.End cover duct ligation 4 can make the telescopic tube 8 of horizontal case 3 ends fix after rotating to desired location on its axial vertical longitudinal plane surface, and middle parts casing pipe knot 5 can make the telescopic tube 8 at horizontal case 3 middle parts fix after rotating to desired location on its warp-wise perpendicular.This medical universal localizer can place the puncture of on the ground patient on the sick bed being carried out under CT or the X-ray guiding to locate by base 1, also can be fixed on the bed surface of CT machine or X-ray machine and on the operating-table bed surface by the set bolt on the base 19, and can move with CT machine or X-ray machine bed surface, remain unchanged with the bed surface, patient and the localizer three's that guarantee CT machine or X-ray machine relative position.Holder 14 can carry out 360 ° of rotations of sagittal plain by the adjusting of connecting axle 13 and lock-screw 15, and holder 11 can carry out 360 ° of rotations of level by telescopic tube 8 and the adjusting that tightens up screw 12, thereby regulates the direction of fixing hole 18.Fixing hole 18 is generally made two in draw-in groove 17, be each one of 2mm and 4mm as diameter, and can regulate in the scope of 0-3mm by the diameter of draw-in

groove

17 and 16 pairs of fixing holes 18 of adjustment screw, with the medical thrust device 10 that adapts to different-diameter.Medical thrust device 10 can be abutment sleeve or positioning needle (steinman pin, screw needle, screw etc.).

During use, by to the lock-screw 15 on vertical annulus 2, horizontal case 3, end cover duct ligation 4, middle parts casing pipe knot 5 and the finder 6 with tighten up the adjusting of screw 12, can make the direction of fixing hole 18 be defined as the position that need puncture, organize in the fixing hole 18 of again medical thrust device 10 being packed into cut, operation such as puncture drainage, fracture fixation and medicine injection.

Operating process to concrete case is as follows:

When utilizing CT or X-ray machine to puncture:

After abutment sleeve is fixed in fixing hole 18, can puncture needle be fixed in center in the sleeve by the inner sleeve that dwindles step by step and prolong step by step, the structure of puncture needle is a dismountable type for the tail end needle stand, each telescopic head end 0.1mm that all has an appointment seals, be convenient to fix its next stage sleeve and be unlikely landing, the tail end needle stand of puncture needle unloads the back puncture needle can free landing, so that puncture.Determine the direction and the degree of depth of puncture needle again by CT or X-ray machine, along determining that good direction penetrates human body, outside puncture needle, step by step sleeve is inserted in to correct position from fine to coarse again, take out puncture needle and inner sleeve at different levels, finder 6 continues to safeguard the invariant position of outer sleeve, in outer sleeve, stretch into apparatus and carry out corresponding operating, cut as nucleus pulposus that the vaporization of suction, intervertebral disc radio frequency, tuberculosis of spine intralesional medicine are injected, tumor of pelvic cavity is got biopsy, put drainage tube etc.

During the treatment intracranial hematoma, utilize the CT guiding that abutment sleeve is aimed at intracranial hematoma, in sleeve, stretch into electric drill and carry out intracranial hematoma trepanation and drainage art, in like manner can be used for the puncture drainage at other position.

Ilium is carried out steinman pin fixedly the time, utilize CT or x-ray fluoroscopy that abutment sleeve or steinman pin etc. is transferred to along ilium frontal plane direction, steinman pin or screw are pierced correct position in the ilium along this direction, in like manner can be used for other skeleton.

Neck of femur is carried out steinman pin fixedly the time, utilize x-ray fluoroscopy to determine the horizontal plane at femoral shaft side position center line and center line place thereof, on this horizontal plane by a finder 6 control a steinman pin and above-mentioned in line parallel, utilize x-ray fluoroscopy to determine the sagittal plane at neck of femur normotopia center line and center line place thereof again, by another finder 6 control another root steinman pin on this sagittal plane with above-mentioned neck of femur normotopia in line parallel, mix up the top rake of this pin, this pin vertically is displaced downwardly to needle point to be positioned at and first steinman pin overlapping, along in this respect this stylus printer being gone into neck of femur, so steinman pin can be squeezed into the center of neck of femur, in like manner can squeeze into any position of neck of femur as required, and can be used for other skeleton.

This utility model also can be used for assist location in other art, as skeletal traction, bone expopexy, osteotomy orthopaedy, bone lengthening, knee replacements, hip light joint replacement, percutaneous reduction of the fracture internal fixation, paracentesis etc.

Claims

1. medical universal localizer, it is made up of base (1), vertical annulus (2), horizontal case (3), end cover duct ligation (4), middle parts casing pipe knot (5), finder (6) and the Telescopic Fixed knot of sleeve pipe (7), it is characterized in that: vertical annulus (2), horizontal case (3) and telescopic tube (8) are internal and external casing formula stretching structure, and be fixing by the Telescopic Fixed knot of sleeve pipe (7) between the sleeve pipe; The bottom casing joint of vertical annulus (2) is fixedlyed connected with base (1), and the end of the outermost casing joint of horizontal case (3) is overlapped duct ligation (4) by the end and is fixed with a finder (6) by telescopic tube (8) connection.

2. medical universal localizer according to claim 1 is characterized in that: the middle part of described horizontal case (3) is tied (5) by middle parts casing pipe and is fixed with a finder (6) by telescopic tube (8) connection.

3. medical universal localizer according to claim 1, it is characterized in that: the holder (11) of finder (6) can carry out 360 ° of rotations of level and fixing by tightening up screw (12) with the end of telescopic tube (8), the connecting axle (13) of holder (11) is gone up and is fixed with a holder (14) by lock-screw (15), the adjustment screw (16) of one scalable draw-in groove (17) is housed on the holder (14), is shaped at least one fixing hole (18) in the draw-in groove (17) of holder (14).