CN113331925A

CN113331925A - Deep hematoma puncture orientation mechanism of brain

Info

Publication number: CN113331925A
Application number: CN202110602085.0A
Authority: CN
Inventors: 王学建; 张毅; 陈杨
Original assignee: Nantong First Peoples Hospital
Current assignee: Nantong First Peoples Hospital
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-09-03
Anticipated expiration: 2041-05-31
Also published as: CN113331925B

Abstract

The invention provides a deep brain hematoma puncture orienting mechanism, which comprises an orienting guide pipe, wherein a ball seat with two open ends is sleeved on a universal ball, a through hole is formed in the outer surface of the ball seat, a cylinder body fixedly connected with the ball seat is arranged on the outer side of the through hole, an adjusting screw rod is in threaded connection with the middle of one side of the cylinder body, which is far away from the ball seat, one end of the adjusting screw rod extends into the cylinder body and is provided with a first piston, a through hole is formed in the middle of one side of a second piston, which faces the first piston, a supporting rod is slidably arranged in a rubber sleeve, one end of the supporting rod, which is far away from the first piston, is provided with a rubber sheet attached to the surface of the universal ball, three round rods are arranged in an annular equidistant manner on one side of the second piston, and one end, which is far away from the second piston, is fixedly connected with a pressing ring for pressing the rubber sheet, and compared with the prior art, the deep brain hematoma puncture orienting mechanism has the following beneficial effects: the purpose of flexible contact is realized, the surface of the universal ball is prevented from being scratched, and the rotating stability of the universal ball is ensured.

Description

Deep hematoma puncture orientation mechanism of brain

Technical Field

The invention relates to a deep brain hematoma puncture orienting mechanism, belonging to the field of medical instruments.

Background

When a deep brain hematoma puncture operation is performed, the ideal position of the tip of the puncture needle is the hematoma center, and the puncture needle is long, so that the puncture needle cannot be perpendicular to or form an ideal angle with the scalp of a puncture part accurately under the condition of visual inspection, and if the direction of the puncture needle deviates, the position deviation of the tip of the puncture needle is caused, so that the puncture needle needs to be guided directionally in the puncture process.

Chinese patent publication No. CN103462676B discloses an angle adjusting mechanism, which includes a bracket, a universal ball and a pressing nut, wherein the bracket is provided with an accommodating groove, the side wall of the accommodating groove is provided with internal threads, and the pressing nut can be screwed in the accommodating groove and press the universal ball, and the angle adjusting mechanism has the following disadvantages: the gland nut and the universal ball are in rigid contact, and after the gland nut is used for a long time, the surface of the universal ball is easily scratched, so that the smoothness of the surface of the universal ball is influenced, and the angle adjustment is unsmooth.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a deep brain hematoma puncture orienting mechanism to solve the problems in the background technology.

In order to achieve the purpose, the invention is realized by the following technical scheme: a brain deep hematoma puncture orienting mechanism comprises an orienting guide pipe, wherein a connecting rod which is perpendicular to the orienting guide pipe is fixedly connected to the outer surface of one end of the orienting guide pipe, a universal ball is fixedly connected to one end, away from the orienting guide pipe, of the connecting rod, a ball seat with two open ends is sleeved on the universal ball, a through hole is formed in the outer surface of the ball seat, a cylinder body which is fixedly connected with the ball seat is arranged on the outer side of the through hole, an adjusting screw is connected to the middle position of one side, away from the ball seat, of the cylinder body in a threaded manner, one end of the adjusting screw extends into the cylinder body and is provided with a first piston, the first piston is slidably mounted in the cylinder body, a second piston which has a certain distance with the first piston is arranged on one side, away from the adjusting screw, of the first piston, is slidably mounted in the cylinder body, and a through hole is formed in the middle position, facing the first piston, of the second piston, it has the rubber sleeve to paste through glue in the interlude hole, slidable mounting has branch in the rubber sleeve, branch is kept away from the one end of first piston and is installed the sheet rubber of laminating mutually with universal ball surface, the one side that the second piston deviates from first piston is annular equidistance and installs three round bar, the one end fixedly connected with that the second piston was kept away from to the round bar is used for pressing the clamping ring of holding the sheet rubber.

Further, the one end fixedly connected with that the sheet rubber was kept away from to branch carries the dish, carry the dish and deviate from the one side of branch and install the electro-magnet, the permanent magnet is installed to the one side of first piston towards the second piston.

Furthermore, a plurality of support rods are uniformly arranged on the outer side of the electromagnet, one end of each support rod is fixedly connected with the carrying disc, and the length of each support rod is greater than the sum of the thickness of the electromagnet and the thickness of the permanent magnet.

Further, branch is hollow column structure, it has seted up first through wires hole to carry the dish and intersect the department with branch, branch is kept away from the one end surface of carrying the dish and is seted up the second through wires hole, the cylinder is kept away from the one end surface of adjusting screw and is seted up the third through wires hole.

Further, the one side that branch is close to the sheet rubber is a plurality of slope pole of annular equidistance fixedly connected with, the one end and the sheet rubber fixed connection of branch are kept away from to the slope pole.

Further, the rubber sheet is fixed with a rubber tube towards the middle position of the one side of branch, the rubber tube and the rubber sheet are of an integrated structure, and one end of the branch is fixed in the rubber tube.

Furthermore, a through hole is formed in the middle of one side, away from the ball seat, of the cylinder, an internal thread sleeve is fixedly connected with the cylinder and arranged on the outer side of the through hole, and the adjusting screw is connected in the internal thread sleeve in a threaded mode.

Furthermore, the one side that the second piston deviates from first piston is the annular equidistance and has seted up three blind hole, the one end that the clamping ring was kept away from to the round bar is fixed in the blind hole.

Further, one side fixedly connected with dead lever that the opening was kept away from to the ball seat surface, the one end fixedly connected with chassis of ball seat is kept away from to the dead lever, two mounting holes that are used for alternate bolt are seted up to the chassis to the one side symmetry of dead lever.

Further, the opening outside is equipped with the internal thread circle, internal thread circle and ball seat fixed connection, the one end surface processing that adjusting screw was kept away from to the cylinder has the external screw thread, the cylinder passes through external screw thread and internal thread circle threaded connection.

The invention has the beneficial effects that:

1. according to the deep brain hematoma puncture orienting mechanism, after the position of the universal ball in the ball seat is adjusted, the adjusting screw is rotated, the adjusting screw drives the first piston to move in the cylinder body towards the second piston, the first piston extrudes air between the first piston and the second piston, so that pressure difference exists between two sides of the second piston, the second piston drives the pressing ring to extrude the rubber sheet through the round rod under the action of the pressure difference, the rubber sheet forms a semi-sphere shape and is tightly attached to the surface of the universal ball, the position of the universal ball and the ball seat is limited, the purpose of flexible contact is achieved, the surface of the universal ball is prevented from being scratched, and the rotation stability of the universal ball is guaranteed.

2. According to the deep brain hematoma puncture orienting mechanism, when the adjusting screw rod is continuously screwed, the first piston extrudes the supporting rod, so that the supporting rod extrudes the middle position of the rubber sheet, the adhesion tightness between the rubber sheet and the universal ball is further improved, and the effect of limiting the position of the universal ball is improved.

3. According to the deep brain hematoma puncture orienting mechanism, after the pressing ring is attached to the rubber sheet, the position of the second piston in the cylinder is unchanged, the distance between the first piston and the second piston is continuously reduced, the position of the electromagnet is limited due to the limitation of the position of the supporting rod, the circuit of the electromagnet is switched on, the electromagnet generates magnetism attracted with the permanent magnet, the distance between the electromagnet and the permanent magnet is reduced along with the reduction of the distance between the first piston and the second piston, so that the magnetic attraction force between the electromagnet and the permanent magnet is gradually increased, the magnetic attraction force overcomes the repulsion force of part of air in the cylinder to the first piston, the resistance of screwing the adjusting screw is reduced under the action of the magnetic attraction force, and the circuit of the electromagnet is switched off when the adjusting screw is reversely screwed.

4. According to the deep brain hematoma puncture orienting mechanism, the supporting disc is provided with the plurality of supporting rods, the length of each supporting rod is larger than the sum of the thickness of the electromagnet and the thickness of the permanent magnet, and the electromagnet and the permanent magnet are prevented from being damaged due to mutual extrusion under the support of the supporting rods.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view of a deep brain hematoma puncture orienting mechanism according to the present invention;

FIG. 2 is a schematic assembly diagram of a first piston, a second piston, a compression ring, a rubber sheet and a cylinder in the deep brain hematoma puncture orienting mechanism of the invention;

FIG. 3 is a cross-sectional view of a second piston of the deep brain hematoma puncture orienting mechanism of the present invention;

in the figure: 1-directional conduit, 2-connecting rod, 3-ball seat, 4-mounting hole, 5-fixed rod, 6-chassis, 7-universal ball, 8-internal thread ring, 9-cylinder, 10-internal thread sleeve, 11-adjusting screw, 12-first piston, 13-permanent magnet, 14-stay bar, 15-electromagnet, 16-carrying disc, 17-second piston, 18-support bar, 19-through hole, 20-rubber sheet, 21-rubber cylinder, 22-inclined rod, 23-press ring, 24-round rod, 25-rubber sleeve, 26-through hole and 27-blind hole.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a deep hematoma puncture orienting mechanism of brain, includes directional pipe 1, and directional pipe 1 one end external surface fixedly connected with is connected with the connecting rod 2 of arranging with directional pipe 1 is perpendicular, and the one end fixedly connected with universal ball 7 of directional pipe 1 is kept away from to connecting rod 2, and connecting rod 2 plays the effect of connecting directional pipe 1 and universal ball 7.

The ball seat 3 with two open ends is sleeved on the universal ball 7, the position of the universal ball 7 in the ball seat 3 is adjusted until the angle of the directional guide pipe 1 meets the requirement, and convenient adjustment of the angle of the directional guide pipe 1 is achieved.

Opening 19 has been seted up to 3 surfaces of ball seat, and opening 19 outside is equipped with the cylinder 9 with 3 fixed connection of ball seat, and the design of opening 19 is convenient for

cylinder

9 and 3 inner spaces of ball seat communicate with each other, the rubber sheet 20 and the contact of universal ball 7 of being convenient for simultaneously.

Position threaded connection has adjusting screw 11 in the middle part of the one side that cylinder 9 deviates from ball seat 3, and adjusting screw 11 one end extends to in cylinder 9 and installs first piston 12, and first piston 12 slidable mounting is in cylinder 9, when twisting adjusting screw 11, and adjusting screw 11 drives first piston 12 and slides in cylinder 9, realizes the purpose of the first piston 12 position of adjustment.

One side of the first piston 12 departing from the adjusting screw 11 is provided with a second piston 17 having a certain distance with the first piston 12, the second piston 17 is slidably mounted in the cylinder 9, and the first piston 12 and the second piston 17 jointly play a role of separating the inner space of the cylinder 9.

The middle position of one side of second piston 17 facing first piston 12 has seted up interlude hole 26, has pasted through glue in the interlude hole 26 and has had rubber sleeve 25, and slidable mounting has branch 18 in the rubber sleeve 25, assigns branch 18 in rubber sleeve 25, improves the leakproofness between branch 18 and the second piston 17 on the one hand, and on the other hand increases the coefficient of friction between branch 18 and the interlude hole 26 inner wall, prevents that branch 18 drunkenness at will.

One end of the support rod 18 far away from the first piston 12 is provided with a rubber sheet 20 attached to the surface of the universal ball 7, one surface of the second piston 17 far away from the first piston 12 is provided with three round rods 24 in an annular equidistant manner, one end of each round rod 24 far away from the second piston 17 is fixedly connected with a press ring 23 used for pressing and holding the rubber sheet 20, after the position of the universal ball 7 in the ball seat 3 is adjusted, the adjusting screw 11 is rotated to enable the adjusting screw 11 to drive the first piston 12 to move towards the direction of the second piston 17 in the cylinder 9, further the first piston 12 extrudes air between the first piston 12 and the second piston 17, so that pressure difference exists between two sides of the second piston 17, the second piston 17 drives the press ring 23 to extrude the rubber sheet 20 through the round rods 24 under the action of the pressure difference, the rubber sheet 20 is tightly attached to the surface of the universal ball 7 in a hemispherical shape, and the position of the universal ball seat 3 is limited, realize the purpose of flexible contact, prevent that universal ball 7 surface is by the fish tail, be favorable to guaranteeing universal ball 7 pivoted stationarity, when continuing to twist adjusting screw 11, first piston 12 extrudees branch 18, makes the middle part position of branch 18 extrusion sheet rubber 20, further improves the compactness of sheet rubber 20 and the laminating of universal ball 7, improves the effect to universal ball 7 position restriction.

As an embodiment of the present invention: one end of the support rod 18 far away from the rubber sheet 20 is fixedly connected with a carrying disc 16, one surface of the carrying disc 16 far away from the support rod 18 is provided with an electromagnet 15, one surface of the first piston 12 facing to the second piston 17 is provided with a permanent magnet 13, after the press ring 23 is attached to the rubber sheet 20, the position of the second piston 17 in the cylinder 9 is unchanged, when the distance between the first piston 12 and the second piston 17 is continuously reduced, the position of the electromagnet 15 is limited because the position of the support rod 18 is limited, the circuit of the electromagnet 15 is switched on, the electromagnet 15 generates magnetism attracted with the permanent magnet 13, at the moment, along with the reduction of the distance between the first piston 12 and the second piston 17, the distance between the electromagnet 15 and the permanent magnet 13 is reduced, so that the magnetic attraction force between the electromagnet 15 and the permanent magnet 13 is gradually increased, at the moment, the magnetic attraction force overcomes the repulsion force of partial air in the cylinder 9 to the first piston 12, and further under the action of the magnetic attraction force, the resistance of screwing the adjusting screw rod 11 is reduced, so that a person with small strength can conveniently screw the adjusting screw rod 11, and when the adjusting screw rod 11 is screwed reversely, the circuit of the electromagnet 15 is disconnected.

As an embodiment of the present invention: a plurality of support rods 14 are uniformly arranged on the outer side of the electromagnet 15, one end of each support rod 14 is fixedly connected with the carrying disc 16, the length of each support rod 14 is larger than the sum of the thickness of the electromagnet 15 and the thickness of the permanent magnet 13, the support discs 16 are provided with the support rods 14, the length of each support rod 14 is larger than the sum of the thickness of the electromagnet 15 and the thickness of the permanent magnet 13, and the electromagnet 15 and the permanent magnet 13 are prevented from being damaged due to mutual extrusion under the support of the support rods 14.

As an embodiment of the present invention: branch 18 is hollow column structure, carries 16 and 18 crossing departments of branch to have seted up first through wires hole, and branch 18 is kept away from the one end surface of carrying 16 and has been seted up the second through wires hole, and the cylinder 9 is kept away from the one end surface of adjusting screw 11 and has been seted up the third through wires hole, and the design in third through wires hole, second through wires hole and first through wires hole is convenient for alternate the power cord of connection on electro-magnet 15.

As an embodiment of the present invention: the one side that branch 18 is close to sheet rubber 20 is a plurality of slope pole 22 of annular equidistance fixedly connected with, and the one end and the sheet rubber 20 fixed connection of branch 18 are kept away from to slope pole 22, installs a plurality of slope pole 22 between branch 18 and sheet rubber 20, improves the support range to sheet rubber 20, prevents that sheet rubber 20 from folding at will.

As an embodiment of the present invention: the rubber sheet 20 is fixed with the rubber tube 21 towards the one side middle part position of branch 18, and rubber tube 21 and rubber sheet 20 are integrated into one piece structure, and branch 18 one end is fixed in rubber tube 21, and the area of contact of branch 18 and rubber sheet 20 is increased in the design of rubber tube 21, improves the stability that branch 18 and rubber sheet 20 are connected.

As an embodiment of the present invention: the through-hole has been seted up to the one side middle part position that ball seat 3 was kept away from to cylinder 9, the through-hole outside be equipped with cylinder 9 fixedly connected with internal thread bush 10, adjusting screw 11 threaded connection in internal thread bush 10, at through-hole outside installation internal thread bush 10 to screw adjusting screw 11 in internal thread bush 10, realize adjusting screw 11 and cylinder 9's threaded connection.

As an embodiment of the present invention: the one side that second piston 17 deviates from first piston 12 is the annular equidistance and has seted up three blind hole 27, and the one end that clamping ring 23 was kept away from to round bar 24 is fixed in blind hole 27, fixes round bar 24 one end in blind hole 27 on second piston 17, increases the contact range of round bar 24 and second piston 17, improves the stability of round bar 24 installation.

As an embodiment of the present invention: one side fixedly connected with dead lever 5 of opening 19 is kept away from to ball seat 3 surface, and the one end fixedly connected with chassis 6 of ball seat 3 is kept away from to dead lever 5, and two mounting holes 4 that are used for alternate the bolt are seted up towards the one side symmetry of dead lever 5 in chassis 6, utilize mounting hole 4 to install chassis 6 in required position department, accomplish the restriction to ball seat 3 position.

As an embodiment of the present invention: opening 19 outside is equipped with internal thread circle 8, internal thread circle 8 and ball seat 3 fixed connection, and the one end surface processing that adjusting screw 11 was kept away from to cylinder 9 has the external screw thread, and cylinder 9 passes through external screw thread and internal thread circle 8 threaded connection, screws into internal thread circle 8 with the one end of cylinder 9 processing external screw thread, the cylinder 9 and ball seat 3's of being convenient for dismouting.

The specific implementation mode is as follows: after the position of the universal ball 7 in the ball seat 3 is adjusted, the adjusting screw 11 is rotated to enable the adjusting screw 11 to drive the first piston 12 to move in the cylinder 9 towards the direction of the second piston 17, and then the first piston 12 extrudes air between the first piston 12 and the second piston 17, so that pressure difference exists between two sides of the second piston 17, the second piston 17 drives the press ring 23 to extrude the rubber sheet 20 through the round rod 24 under the action of the pressure difference, the rubber sheet 20 forms a semi-sphere shape and is tightly attached to the surface of the universal ball 7, the position of the universal ball 7 and the ball seat 3 is limited, the purpose of flexible contact is realized, the surface of the universal ball 7 is prevented from being scratched, the rotating stability of the universal ball 7 is favorably ensured, when the adjusting screw 11 is continuously screwed, the first piston 12 extrudes the supporting rod 18, the supporting rod 18 extrudes the middle position of the rubber sheet 20, and the attaching tightness of the rubber sheet 20 and the universal ball 7 is further improved, the effect of limiting the position of the universal ball 7 is improved.

After the press ring 23 is attached to the rubber sheet 20, the position of the second piston 17 in the cylinder 9 is not changed, and the distance between the first piston 12 and the second piston 17 is continuously reduced, because the position of the support rod 18 is limited, the position of the electromagnet 15 is limited, the circuit of the electromagnet 15 is switched on, so that the electromagnet 15 generates magnetism attracted to the permanent magnet 13, at this time, along with the reduction of the distance between the first piston 12 and the second piston 17, the distance between the electromagnet 15 and the permanent magnet 13 is reduced, so that the magnetic attraction force between the electromagnet 15 and the permanent magnet 13 is gradually increased, at this time, the magnetic attraction force overcomes the repulsion force of air in the cylinder 9 to the first piston 12, and further, under the action of the magnetic attraction force, the resistance for screwing the adjusting screw 11 is reduced, so that a person with small strength can conveniently screw the adjusting screw 11, and when the adjusting screw 11 is screwed reversely, the circuit of the electromagnet 15 is switched off.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a deep hematoma puncture orienting mechanism of brain, includes directional pipe (1), its characterized in that: the outer fixed surface of one end of the directional guide pipe (1) is connected with a connecting rod (2) which is vertically arranged with the directional guide pipe (1), the connecting rod (2) is far away from one end of the directional guide pipe (1) and is fixedly connected with a universal ball (7), the universal ball (7) is sleeved with a ball seat (3) with two open ends, the outer surface of the ball seat (3) is provided with a through opening (19), the outer side of the through opening (19) is provided with a cylinder (9) fixedly connected with the ball seat (3), the cylinder (9) is connected with an adjusting screw rod (11) in a threaded manner at the middle part of the side deviating from the ball seat (3), one end of the adjusting screw rod (11) extends into the cylinder (9) and is provided with a first piston (12), the first piston (12) is slidably arranged in the cylinder (9), one side deviating from the adjusting screw rod (11) of the first piston (12) is provided with a second piston (17) which has a certain distance with the first piston (12), second piston (17) slidable mounting has been seted up towards the one side middle part position of first piston (12) in second piston (17), it has rubber sleeve (25) to paste through glue in wearing hole (26), slidable mounting has branch (18) in rubber sleeve (25), the one end that first piston (12) was kept away from in branch (18) is installed rubber sheet (20) of laminating mutually with universal ball (7) surface, the one side that second piston (17) deviates from first piston (12) is annular equidistance and installs three round bar (24), the one end fixedly connected with that second piston (17) was kept away from in round bar (24) is used for pressing clamping ring (23) of rubber sheet (20).

2. The deep brain hematoma puncture orienting mechanism of claim 1, wherein: one end fixedly connected with of rubber sheet (20) is kept away from in branch (18) carries dish (16), it installs electro-magnet (15) to carry the one side that dish (16) deviate from branch (18), permanent magnet (13) are installed to the one side of first piston (12) towards second piston (17).

3. The deep brain hematoma puncture orienting mechanism of claim 2, wherein: a plurality of support rods (14) are uniformly arranged on the outer side of the electromagnet (15), one end of each support rod (14) is fixedly connected with the carrying disc (16), and the length of each support rod (14) is greater than the sum of the thickness of the electromagnet (15) and the thickness of the permanent magnet (13).

4. The deep brain hematoma puncture orienting mechanism of claim 2, wherein: the supporting rod (18) is of a hollow structure, a first threading hole is formed in the intersection of the carrying disc (16) and the supporting rod (18), a second threading hole is formed in the outer surface of one end, far away from the carrying disc (16), of the supporting rod (18), and a third threading hole is formed in the outer surface of one end, far away from the adjusting screw rod (11), of the cylinder body (9).

5. The deep brain hematoma puncture orienting mechanism of claim 1, wherein: the one side that branch (18) are close to sheet rubber (20) is a plurality of slope pole of annular equidistance fixedly connected with (22), the one end and sheet rubber (20) fixed connection of branch (18) are kept away from in slope pole (22).

6. The deep brain hematoma puncture orienting mechanism of claim 1, wherein: the rubber sheet (20) is fixed with a rubber tube (21) towards the middle position of one side of branch (18), rubber tube (21) and rubber sheet (20) are the integrated into one piece structure, branch (18) one end is fixed in rubber tube (21).

7. The deep brain hematoma puncture orienting mechanism of claim 1, wherein: the ball seat is characterized in that a through hole is formed in the middle of one side, away from the ball seat (3), of the cylinder body (9), an internal thread sleeve (10) is fixedly connected with the cylinder body (9) and arranged on the outer side of the through hole, and the adjusting screw rod (11) is connected into the internal thread sleeve (10) in a threaded mode.

8. The deep brain hematoma puncture orienting mechanism of claim 1, wherein: one side of the second piston (17) deviating from the first piston (12) is annular and equidistant, and is provided with three blind holes (27), and one end of the round rod (24) far away from the pressing ring (23) is fixed in the blind holes (27).

9. The deep brain hematoma puncture orienting mechanism of claim 1, wherein: one side fixedly connected with dead lever (5) of opening (19) are kept away from to ball seat (3) surface, one end fixedly connected with chassis (6) of ball seat (3) are kept away from in dead lever (5), two mounting holes (4) that are used for alternate bolt are seted up towards the one side symmetry of dead lever (5) in chassis (6).

10. The deep brain hematoma puncture orienting mechanism of claim 1, wherein: opening (19) outside is equipped with internal thread circle (8), internal thread circle (8) and ball seat (3) fixed connection, the one end surface processing that adjusting screw (11) were kept away from in cylinder (9) has the external screw thread, cylinder (9) are through external screw thread and internal thread circle (8) threaded connection.