CN201642320U

CN201642320U - Double-cross surface orientated medical instrument for microinvasive intracranial foreign body removing technology

Info

Publication number: CN201642320U
Application number: CN2009202479693U
Authority: CN
Inventors: 孙树杰
Original assignee: SEVEN STAR INTERNATIONAL TRADE CO Ltd
Current assignee: SEVEN STAR INTERNATIONAL TRADE CO Ltd
Priority date: 2009-11-10
Filing date: 2009-11-10
Publication date: 2010-11-24
Anticipated expiration: 2019-11-10

Abstract

The utility model relates to a positioning pore-opening drill and a locking hole guider for conveniently, accurately and rapidly positioning and taking out a foreign body in the head. The positioning pore-opening drill is provided with a drive mechanism in a drill body and a drill bit coaxially connected with an output shaft of the drive mechanism; the drill body is provided with at least two crossed radial plates to form a radial plate with double cross surfaces; and the locking hole guider is provided with a conduit and a conduit core movably matched with the conduit, the conduit core or the outer end of the conduit is provided with at least two crossed radial plates to form a radial plate with the double cross surfaces. The crossed radial plates or plane light projection lines of the positioning pore-opening drill and the locking hole guider are kept to cover crossed lines, thereby the utility model simply, feasibly and conveniently ensures that the direction of the hole opening and the direction of inserting the conduit point to the foreign body.

Description

The directed Wicresoft of double cross face intracranial foreign body is removed the Medical Instruments of art

Technical field: the present invention is a kind of after cranium computed tomography brain scan three-dimensional localization, determining that head aperture position and Wicresoft's perforate go deep into the Medical Instruments that intracranial is removed foreign body, mainly is to demarcate to determine position of opening, carry out directed perforate and visit the utensil of taking foreign body after intracranial is determined the foreign body position.

Background technology: Wicresoft's foreign body (as hematoma) paracentesis have been carried out a lot of years at home, but the influence of operation receiveing person's experience and technology, and the paracentetic curative effect of foreign body (as hematoma) is difficult to be subjected to objective appraisal.Brain foreign body (as hematoma) paracentesis in the past are by patient's the Cranial Computed Tomography or the three-dimensional data of CT sheet, determine foreign body (as hematoma) center target spot and go into the cranium path, though can determine foreign body (as hematoma) center target spot by measuring patient head CT or CT, but because head is a globoid, be difficult to the puncture of vertical target point, the angle of therefore going into cranium is easy to generate skew, has reduced foreign body (as hematoma) puncture accuracy.If adopt gauge to position, and orientate body as with this instrument, carry out directed perforate, though degree of accuracy is than higher in theory, but want indeformable just must do more abundant and heavy of instrument stabilizer, counterpart's head fixedly is the comparison difficulty again, be fixed on head human body surface because the human body is a software, being easy to generate relative position changes, particularly at patient's stupor or agonizing state, add heavy huge instrument at head again, hinder and carry out CT examination, again dismounting repeatedly.Each dismounting is just adjusted the location again, is difficult to keep stablizing and not play or the swing of relative head, the more inconvenient treatment of carrying out emergency treatment head orientation surgical patient at short notice.Consult a large amount of foreign body (as hematoma) paracentesis document, the patient does not all describe how to control its direction when the paracentetic process puncture needle of foreign body (as hematoma) enters in detail.In the puncture for treating process, be unavoidable the generation to the skew of skull Wicresoft super hole cutter.

Summary of the invention:

The present invention solves in the prior art exactly, positioning and guiding complexity to head Wicresoft perforate location and perforate process, apparatus measures cost height, positioning and fixing is more time-consuming, also cause the misery of extruding easily to patient, the problem that misoperation perforate steering error is bigger, provide a cover easy, accurately, location and guiding control fast, guarantee the used Medical Instruments of the directed Wicresoft of double cross face intracranial foreign body removing art that the puncture error reduces greatly, a kind of positioning rule that is used to take out head interior foreign body location and perforate location multiaspect cylindrical void particularly is provided, a kind of locating holes brill that is used to take out foreign body in the head is provided, a kind of lockhole guider that is used to take out foreign body in the head is provided.

A kind of be used to take out foreign body location and perforate location multiaspect cylindrical void positioning rule in the head of the present invention, two flat boards connected vertically are mutually arranged, flat board has cylindrical void, it is characterized in that: connect and compose three panels by a rebound between two flat boards, the plate of three panels has vertical cylindrical void or horizontal cylindrical void, and three panel vertical and horizontal have size scale.Three panels that are connected to form by transition (inclined-plane) plate like this, transition face between can be the relatively proper side that be placed in head and front (or back) and side, front (or back), perhaps side (or back or front) and top and side (or back or front), the transition face between top.Preferably one three panel flat board is parallel with the corresponding flat board of another piece three panels, and another flat board in these two three panels is slidingly connected relatively, forms the integrated positioning chi.It is dull and stereotyped relatively that the integrated positioning chi is slidingly connected relatively, can be the equidirectional cylindrical void that has, combination back cylindrical void be overlapped, also can be vertically to have cylindrical void mutually, combination back cylindrical void is interlaced overlapping, and drawing continuously in staggered space as required is linked to be line with point after a little taking away the integrated positioning chi again; Can also be that one flat plate has cylindrical void, another relatively flat board be empty frame, the flat board that is slidingly connected does not relatively block cylindrical void, the dull and stereotyped random position of relatively sliding of being more convenient for so more can increase the accuracy of setting-out.Utilize to dissect knowledge and find out orbitomeatal line, median line fast, and draw and be reflected in the orbitomeatal line of head surface, median line.A dull and stereotyped A face of three panels is or/and a cylindrical void of C face is parallel with orbitomeatal line, the cylindrical void of another dull and stereotyped B face is parallel with median line, utilizes cylindrical void on each face can draw a plurality of sagittal planies fast in the meld line (sagittal line) of head surface and a plurality of horizontal plane meld line (horizontal line) at head surface.Keeping under the parallel constant condition of a flat board (B face) cylindrical void at last with sagittal plane, change angle 90 degree of three panels, make another dull and stereotyped A face or/and the C face) vertical with orbitomeatal line and horizontal line (horizontal plane is a horizontal line in the head surface meld line), dull and stereotyped A face or/and the cylindrical void of C face can draw coronalplane in the meld line of head surface, promptly crown line.According to above-mentioned scratching process, utilize patient's CT or MRI view data, on image, find horizontal bedding, sagittal plane, the coronalplane at the place, center of foreign body (as hematoma).The sagittal plane that can pass through foreign body (as hematoma) place, center is apart from the slice thickness between the sagittal plane at median line place, find the projection of foreign body (as hematoma) center at head surface, promptly foreign body (as hematoma) place, center sagittal plane is at head surface meld line (sagittal line).The horizontal plane that can pass through foreign body (as hematoma) place, center is apart from the slice thickness between the horizontal plane at orbitomeatal line place, find the projection of foreign body (as hematoma) center in the head surface level, promptly the horizontal plane at foreign body (as hematoma) place, center is at head surface meld line (horizontal line).The coronalplane that can pass through foreign body (as hematoma) place, center is apart from the slice thickness between the coronalplane of center (or apart from head front end distance or apart from head rear end distance), find the projection line of foreign body (as hematoma) center at head surface, promptly foreign body (as hematoma) place, center coronalplane is at head surface meld line (crown line).Use the setting-out method on patient's head surface, to identify the projection position like this, and be criterion with this setting-out.And then with each face of foreign body (as hematoma) place, center in the cross point of head surface projection line (meld line) as tapping point, and be benchmark to form two reticules in this cross point two meld line of cross point (form), determine the direction that utensil is got in the direction of perforate and insertion conduit and spy.The present invention just can accurately fast determine tapping point and perforate direction like this, and the accurately convenient foreign body that takes out is easy to operate after the perforate.The present invention is used as judging directional reference to find out foreign body (as hematoma) center at the projection line of head surface, makes the directional reference of this surgical aperture and taking-up foreign body have more objectivity.Become the combination positioning rule with two three panel-shaped, promptly form five noodles hole positioning rules of the present invention, be more convenient for locating setting-out fast, and can locate the setting-out that marks three simultaneously, operate more simple and efficient at head surface.

The present invention is used to take out foreign body locating holes brill in the head, organism, be arranged in the body driving mechanism with the coaxial drill bit that is connected of driving mechanism output shaft, it is characterized in that: body has at least two radial plate, at least two radial plate extended surface intersecting lenses and drill axis conllinear.Body has the radial plate of at least two intersections, forms the radial plate of two phase cross surfaces; Also can be three radial plate, wherein two on same plane, and another piece and preceding two are intersected, and form the radial plate of two phase cross surfaces; Can also be four radial plate, wherein each two two faces intersect at same, intersecting lens is with collinear in drill axis.Under these three kinds of situations and other the multiple situations, in two intersecting planes, the radial plate and the body that can also be a phase cross surface are fixed, the radial plate of another phase cross surface and body interference fits are rotationally connected, rotate relative to body, change and its relative angle of radial plate that intersects, come the angle of the intersection of corresponding head surface projection line.During perforate, with each face of foreign body (as hematoma) place, center in the cross point of head surface projection line (meld line) as tapping point.The perforate process keeps radial plate overlapping with the reticule in cross point in the projection of head surface, just can guarantee to the perforate of foreign body (as hematoma) center position.Be used as judging directional reference to find out foreign body (as hematoma) center at the projection line of head surface like this, this surgical aperture directional reference is more just held easily, operation is simple, and accuracy is more objective and directly perceived.

Another kind of the present invention is used to take out foreign body locating holes brill in the head, organism, be arranged in the body driving mechanism with the coaxial drill bit that is connected of driving mechanism output shaft, it is characterized in that: body has the laser instrument of launching at least two intersecting plane light that intersect at drill axis.Equally, the perforate process is opened laser instrument, makes the irradiation of crossing planar light overlapping with the reticule maintenance of tapping point at the crosslights of head surface, just can accurately keep the position of the direction of perforate towards the foreign body center, operates more simplely, and accuracy is higher.

The present invention is a kind of to be used to take out foreign body lockhole guider in the head, have conduit, with conduit tube core movingly, it is characterized in that: tube core or conduit outer end have at least two radial plate, form the radial plate of two phase cross surfaces.In the radial plate that forms two phase cross surfaces, preferably the radial plate of a phase cross surface and body are fixed, the radial plate of another phase cross surface and body interference fits are rotationally connected, be more convenient for adjusting the at any time angle of the mutual intersection radial plate in two phase cross surfaces is so that consistent with the reticule angle around the perforate.At least two radial plate extensions are practised physiognomy and are met at drill axis.Tube core inserts conduit, together stretch into head with conduit by the perforate of head, as long as keep radial plate overlapping at the projection and the reticule around the perforate of head surface, just can guarantee to stretch into to foreign body (as hematoma) center position, fixing back just can keep conduit towards or reach foreign body (as hematoma) center, controlling party tropism is very simple fast.

Another kind of the present invention is used to take out foreign body lockhole guider in the head, have conduit, with conduit in tube core movingly, it is characterized in that: tube core or conduit outer end have the laser instrument of at least two intersecting plane light launching intersecting lens and drill axis conllinear.Using thisly when being used to take out in the head foreign body lockhole guider, opening laser instrument, tube core together stretches into head by the perforate of head with conduit in conduit.Insertion process and fixation procedure, as long as the crossing plane light that keeps laser instrument to send is overlapping at the projection reticule and the reticule (meld line) around the perforate of head surface, just can guarantee to stretch into to foreign body (as hematoma) center position, fixing back just can keep conduit towards or reach foreign body (as hematoma) center, controlling party tropism is very simple.

Description of drawings: accompanying drawing has represented that a cover of the present invention is used to take out the apparatus structure sketch map of foreign body in the head.Wherein, Fig. 1, Fig. 2 are the perspective view that is used to take out head interior foreign body location and perforate location multiaspect cylindrical void positioning rule both direction; Fig. 3 is used to take out foreign body location and perforate location multiaspect cylindrical void positioning rule plan structure sketch map in the head for this, and Fig. 4 is its side-looking structural representation, and Fig. 5 is TV structure sketch map thereafter, and Fig. 6 is its main TV structure sketch map; Fig. 7, Fig. 8 are the perspective view that is used to take out the both direction that foreign body locating holes manual and electric dual-purpose bores in the head; Fig. 9 is this main sketch map that is used to take out the reflection internal structure that foreign body locating holes manual and electric dual-purpose bores in the head, and Figure 10 is its structural representation from the drill bit direction.Figure 11 is the sketch map that concerns of foreign body position fixing process three-dimensional coordinate and three faces and head surface line in taking out head, wherein the crown line C. of A. sagittal line B. horizontal line D. three points (foreign body center) of delivering personally.Figure 12 is used to take out foreign body locating holes electric drill front view in the head; Figure 13 is the left view that is used to take out foreign body locating holes electric drill in the head.Figure 14 is the main sectional structure sketch map that is used to take out foreign body locating holes hand drill in the head; Figure 15 is the left TV structure sketch map that is used to take out foreign body locating holes hand drill in the head.Example below in conjunction with accompanying drawing further specifies.

The specific embodiment:

Embodiment 1, a kind of of the present invention be used to take out hematoma location and perforate location multiaspect cylindrical void positioning rule in the head (referring to Fig. 1,2,3,4,5,6), two

flat boards

1,2 connected vertically or 4,5 are mutually arranged, flat board has cylindrical void.A flat board 2 vertically has cylindrical void in two flat boards, and another flat board 3 laterally has cylindrical void, connects and composes three panels by a

rebound

1 or 6 between two

flat boards

2,3 or 4,5.Three panel vertical and horizontal have

size scale

10,14, have constituted the present invention and have been used to take out foreign body location and the localized three noodles hole positioning rules of perforate in the head.Earlier according to head surface sign location, as horizontal plane, be sagittal plane with the aspect of CT scan with mesion before and after the head, utilize localizer to determine the coronalplane of cranium brain, and on patient's scalp, draw and represent above-mentioned three planar head stereoprojection curves.As shown in the figure, make up, constituted five noodles hole positioning rules of the present invention, be called for short five chis with two three noodles hole positioning rules of the present invention.The flat board of five chis or rebound are called for short face, and in the flat board and rebound of five chis, 2,4 parallel, and 3,5 and 2,4 panels are vertical, and 2,4 faces have several and parallel plane cylindrical void, and

face

1,6 also has the cylindrical void that is parallel to each other.The bar number of perforations of each face of five chis is different, the wide footpath of cylindrical void, at interval, the carpenters square back gauge equates that all the centrage of middle cylindrical void is divided its plane, place up and down equally, is equipped with labelling and

size scale line

8,10,11 on every block of plate.3,5 can also be an insertion type plane, and 3,5 protruding transition of two three chis are embedded the other side's chute mutually, forms two

faces

3,5 and is slidingly connected relatively, adjusts to be suitable for different patient's head width.Can also be in 3,5 of two three chis, the

chute

15,19 that face 5 has, face 3 correspondence positions have

screw

18,21, passing chute by

screw

16,20 is connected with screw, form two faces, 3,5 relative sliding connection structures, at any time can adjust and be suitable for different patient's head width, and tighten screw and form fixing.2,4 faces of both sides be close to be attached to the head both sides, can according to the size of different patient's heads fast, adjust screw and relative two

faces

3,5 slide, adjust to the position that is fit to patient's head width accurately, 2,4 faces that guarantee both sides are close to and are attached to the head both sides.And the cylindrical void on 2 be along three panels vertically, vertical mutually with 3,4 cylindrical void, 1,6 cylindrical void be vertical along three panels, 5 is that empty frame and 3 are overlapping.Utilize side's body intracranial hematoma localization method of the present invention: head is regarded as a cube, utilize dissection knowledge to find out orbitomeatal line, median line fast, a cylindrical void of 2 of five chis is parallel with orbitomeatal line, 3 cylindrical void is parallel with median line, utilizes a plurality of sagittal planies and the horizontal plane meld line at head surface of can drawing fast of remaining cylindrical void on the chi.Under 2,4 of maintenances and the parallel constant condition of cylindrical void, change angle 90 degree of five chis at last, make 2 cylindrical void vertical, the meld line of coronalplane of can drawing at head surface with horizontal plane with median sagittal plane.Utilize patient's CT or MRI view data, utilize the size and the cylindrical void of five chis again, correspondence hematoma place sagittal plane, coronalplane, horizontal plane the meld line of drawing at head surface.On CT or MRI image, find earlier the center aspect of hematoma, can pass through the thickness data of the aspect of hematoma central core identity distance orbitomeatal line, five chis of reuse draw apart from the setting-out of the parallel cylindrical void of orbitomeatal line same thickness distance at head surface, the center aspect of the hematoma of having drawn exactly is in the meld line of head surface, also just find of the projection of hematoma center, be called for short horizontal line in the head surface horizontal direction.Equally, utilize the locator data of patient's CT or the intracranial hematoma center target spot that the MRI image provides, can be by the place sagittal plane mutual gauge of place, hematoma center sagittal plane apart from median line, place, the center sagittal plane of the hematoma of drawing is in the meld line of head surface, also just find of the projection of hematoma center, be called for short sagittal line in head surface sagittal line direction; Can be by place, hematoma center coronalplane apart from head front and back size, place, the center coronalplane of the hematoma of drawing also just finds the projection of hematoma center in the crown line direction of head surface in the meld line of head surface, is called for short crown line.The cross point of these meld line is exactly to stretch into utensil after the point of perforate and the perforate to carry out hematoma drain inlet, can accurately the hematoma drain be come out.As determine in the projection perforate of head horizontal direction with to the pathway at hematoma center, the meld line (horizontal line) that is the projection in the horizontal direction of hematoma center locates to be the perforate position that with the cross point of the meld line (crown line) of crown line direction projection this is a pathway with place, hematoma center coronalplane, horizontal plane intersecting lens just.By this perforate position, go into intracranial along this pathway, can accurately find the hematoma center when reaching the sagittal plane at place, hematoma center, bore perforate accurately by locating holes again, and hematoma is taken out along this hole and pathway.

Embodiment 2, a kind of foreign body locating holes manual and electric dual-purpose brill in the head that is used to take out of the present invention, organism, be arranged in the body driving mechanism with the coaxial drill bit that is connected of driving mechanism output shaft, body has two groups of planar light laser instrument (also claiming generating laser) in addition, two groups of laser instrument are launched two planar light and are intersected mutually, intersect at drill axis, i.e. intersecting lens and drill axis conllinear.Shown in Fig. 7,8,9,10, among the figure, 6. drill bit locker, 21. drill bit, 9,10,16,17. travelling gears .2,3,4,5 planar light laser instrument, 13. power transmission shaft, 14. handles and inner battery, 19. connecting rods, 20. joystick rocking handle, 11. starting switch, 12. sealing waterproof cases, 15. motor, 7. laser beam adjustable ring, 8. planar light laser instrument connecting ring.The connecting ring that one group of planar

light laser instrument

2,4 is fixed on body is motionless, sends same planar light, planar light and motor axis, drill axis 1 coplane.Another group is that adjustable planar

light laser instrument

3,5 is arranged on laser beam adjustable ring 7, can be along with laser beam adjustable ring 7 rotates around body and axis, also send same planar light, planar light and motor axis, drill axis coplane, intersect with fixed planar light simultaneously, intersecting lens and axis are the same line, i.e. conllinear.Adjustable planar light can be according to the angle of head surface reticule, adjust the angle that intersects with fixed planar light, reach consistent, and in the planar light that intersects when the head surface projection line overlaps with the surface crosswise line, just just in time make the axis of drill bit pass the hematoma center, keep the accurate direction of boring.Form two and intersect planar light, also quite simulate the plane of passing the hematoma center on the CT sheet.At any time keeping the laser beam of crossing plane light to impinge upon head surface according to the head surface setting-out like this is crosslight, as long as keep crosslight to overlap with the setting-out of head surface, the joining of light just in time with drill bit shaft on same straight line, the orientation of its axis of drill bit is also passed the hematoma center, just can accurately determine the direction of puncture.

Can adopt the little cranium super hole cutter of manual and electric double-purpose, little cranium super hole cutter has an accumulator (referring to Figure 12,13) that power supply can be provided below handle 14, motor energising back drives motor reel, and motor reel drives drill bit shaft and the rotation of drill bit locker, rotates thereby drive drill bit.Little cranium super hole cutter rotates under the drive of motor, has reduced patient's physical work, can make the drill bit smooth rotation again.But when having accumulator unavoidably and also not having electricity and need carry out emergency operation, this moment the hexagon ring of one end of joystick is enclosed within the axle head hexagon prism of rocking handle, hand axle of starting rocking bar and rocking handle just can drive motor reel and drill bit shaft and drill bit rotation work by travelling gear and power transmission shaft.This design is that the patient provides convenience and has considered the burst factor for the patient.

Embodiment 3, a kind of locating holes electric drill that is used to take out foreign body in the head of the present invention, organism 81, be arranged in the body electric driving mechanism 82 with the coaxial drill bit that is connected 80 of driving mechanism output shaft, the body front end has launches the planar

light laser instrument

83,84,85,86 that intersects at drill axis.Shown in Figure 14,15, wherein, the planar light of planar

light laser instrument

83,85 emissions is same plane, is the vertical plane of front view; The planar light of planar

light laser instrument

84,86 emissions is same plane, is the horizontal plane of front view.Figure

midplane light laser

83,85 is fixed on about the body front end, sends same planar light, planar light and motor axis, drill axis coplane.The

laser instrument

84,86 of adjustable planar light is arranged on adjusts ring 87, adjusts ring and is rotationally connected with body front end cylinder interference fits, and adjustable planar

light laser instrument

84,86 can rotate around axis along with adjusting.Adjustable planar

light laser instrument

84,86 sends same planar light, and planar light and motor axis, drill axis coplane intersect at axis with fixed planar light simultaneously, form adjustable planar light.Adjustable planar light can be according to the angle of head surface reticule, rotate and adjust ring, the angle that adjustable planar light and fixed planar light are intersected, reach consistent, and two intersecting plane light are when the head surface projection line overlaps with the head surface reticule, just just in time make the axis of drill bit pass the hematoma center, keep the accurate direction of boring.Form two and intersect planar light, also quite simulate the plane of passing the hematoma center on the CT sheet.At any time the direction that keeps laser beam like this according to the head surface setting-out, when the setting-out of laser beam and head surface keeps overlapping, the point that laser beam intersects just in time with the drill bit of brill and foreign body center on same straight line, keep the direction of perforate and puncture accurately.

Embodiment 4, a kind of the present invention are used to take out foreign body locating holes hand drill in the head, and organism 91 is arranged in the body and movingly the rotating shaft 92 in the body two ends, forms manual actuation mechanism.With the coaxial drill bit that is connected 93 of manual actuation mechanism rotating shaft outfan, this drill bit can be fixing by being arranged on rotating shaft outfan drill bit locker 94.The rotating shaft of manual actuation mechanism is stretched out above body, and has turning handle 95.The body side have hold 90.The body front end has four

radial plate

96,97,98,99, and wherein two 96,97 on same plane, fixedlys connected with body retainer ring 100; Two 98,99 are rotationally connected by turning set 101 interference fits with body in another same plane in addition, can be locked by nut arranged side by side 102 after the rotational positioning, and nut is threaded with body.Two Plane intersects, intersecting lens and drill axis are collinear.Two radial plate that are rotationally connected by turning set and body interference fits just change with other two radial plate relative angles at relative body rotation process, come the angle that intersects in head surface meld line (projection line) with the foreign body center consistent.Use hand drill like this when the perforate of head meld line cross point, observe from the hand drill rear end to the drill bit direction, keep four radial plate to cover the meld line of two intersections, just can keep bit heading foreign body center, guarantee perforate direction accurately in the projection line correspondence of head surface.

Claims

1. a locating holes of taking out foreign body in the head is bored, organism, be arranged in the body driving mechanism with the coaxial drill bit that is connected of driving mechanism output shaft, it is characterized in that: body has the radial plate of at least two intersections, forms the radial plate of two phase cross surfaces.

2. bore as the said locating holes of claim 1, it is characterized in that: form in the radial plate of two phase cross surfaces, the radial plate and the body of a phase cross surface are fixed, and the radial plate of another phase cross surface and body interference fits are rotationally connected,

3. lockhole guider that takes out foreign body in the head, have conduit, with conduit in tube core movingly, it is characterized in that: tube core or conduit outer end have the radial plate of at least two intersections, form the radial plate of two phase cross surfaces.

4. as the said lockhole guider of claim 3, it is characterized in that: form in the radial plate of two phase cross surfaces, the radial plate and the body of a phase cross surface are fixed, and the radial plate of another phase cross surface and body interference fits are rotationally connected.