CN215839528U

CN215839528U - Brain stereotactic auxiliary device

Info

Publication number: CN215839528U
Application number: CN202023205084.2U
Authority: CN
Inventors: 白建萍
Original assignee: Shandong Shengyuankang Medical Instrument Co ltd
Current assignee: Shandong Shengyuankang Medical Instrument Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2022-02-18
Anticipated expiration: 2030-12-25

Abstract

The utility model discloses a brain stereotactic auxiliary device, which comprises a head ring piece capable of being sleeved on the head of a human body, a plurality of fixing parts for fixing the head ring piece and a frame body covered on the head of the human body, wherein the frame body is detachably connected with the head ring piece, and a horizontal positioning piece is arranged on the head ring piece and/or the frame body. According to the utility model, when the patient is transferred, the head position of the patient can be accurately reset, so that the accuracy in the operation is improved, the success rate of the operation is improved, and the operation difficulty is reduced.

Description

Brain stereotactic auxiliary device

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to a brain stereotactic auxiliary device.

Background

The stereotactic brain operation is a minimally invasive operation, a doctor only needs to drill a small hole on the skull of a patient, and then a puncture needle is punctured into the brain from the hole to clean a focus; compared with the traditional craniotomy, the mode has the advantages of small wound and small operation risk; the operation needs to be completed by positioning the head of a patient through a brain stereotactic auxiliary device, wherein a head frame is arranged on the head of the patient through screws and is fixed on the skull; then, CT scanning is carried out, and after the scanning is finished, the patient is transferred to an operation table and then is subjected to operation treatment.

In stereotactic operation, the accurate mounting of the head frame determines whether the operation can be successful; if the head frame is installed in a deviated way, the puncture needle can be penetrated in an inaccurate point position, the operation is failed, and therefore, the position requirement of the head frame is very high when the operation is carried out.

The traditional manner of mounting the head frame usually depends on the vision of a doctor to visually observe whether the head frame is centered or horizontal, but the vision estimation of a person has limitations, the estimation is often inaccurate, the head frame is mounted askew, and the precision of the subsequent operation is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a brain stereotactic auxiliary device for accurate positioning, aiming at overcoming the defects of the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme: a brain stereotactic auxiliary device comprises a head ring piece capable of being sleeved on the head of a human body, a plurality of fixing parts for fixing the head ring piece and a frame body covering the head of the human body, wherein the frame body is detachably connected with the head ring piece, and a naturally drooping plumb line piece is arranged on the head ring piece and/or the head frame.

According to the utility model, by arranging the horizontal positioning piece, when a patient lies on the CT instrument, the vertical line piece can keep naturally drooping, and at the moment, the position of the vertical line piece can be marked by marking on the head frame, and the distance between the vertical line piece and the side wall of the frame body is measured; therefore, when the patient lies on the operating bed again, the head position of the patient can be adjusted, so that the vertical component is reset to the marked position and the corresponding distance, and the head position of the patient is reset on the operating bed again in the mode, so that the surgical puncture needle can be punctured according to the position of the focus of the CT image film in the operation, the operation precision is guaranteed, the operation success rate is improved, the operation time is shortened, and the operation intensity of a doctor is reduced; and the horizontal positioning is carried out through the horizontal positioning piece, so that the visual judgment of a doctor is avoided, and the influence of human factors on the operation is reduced.

Preferably, the head ring piece and/or the head frame are/is provided with a positioning structure corresponding to the vertical member to mark the position of the vertical member; can mark the position of plumb line spare through setting up location structure, and then after the patient shifts, can adjust the plumb line spare and reset to the position of location structure mark to realize resetting patient's head, be convenient for carry out the operation.

Preferably, the vertical line piece and the positioning structure are both arranged on the frame body; with plumb line spare and location structure all lie in the support body, it can be convenient fix first ring spare earlier stage, avoids plumb line spare to influence the accuracy nature of installing first ring spare to the support body of easy to assemble.

Preferably, the vertical line piece can move back and forth on the frame body through a locking component; when the locking part moves back and forth, the vertical line piece can be driven to move back and forth, so that when a patient lies on the CT instrument, the vertical line piece can be adjusted to be tangent to the positioning structure through the movement of the locking part.

Preferably, the locking component comprises a moving part which can move back and forth along the frame body under the pushing of an external force and a locking part for locking the moving part, and the vertical line part is connected with the moving part; can lock the position of plumb line spare through setting up the locking piece, guarantee when removing the patient, the position of plumb line spare upper end can not change, the follow-up accurate nature that resets patient's head of guarantee.

Preferably, the moving member is provided with a mark part, and the frame body is provided with a mark matched with the mark part; when the upper part of the vertical wire piece can move by arranging the identification part, the upper part of the vertical wire piece can be conveniently and accurately reset to the corresponding position again.

Preferably, the positioning structure is a positioning piece rotatably arranged on the frame body, and the vertical line piece is abutted to the positioning piece.

Preferably, a positioning concave part is arranged on the positioning piece, and the vertical line piece part is positioned in the positioning concave part; through setting up plumb line spare and being located the location concave part, when it can fix a position plumb line spare again, can confirm whether patient's head resets through the cooperation relation between plumb line spare and the location concave part, its precision of guarantee operation.

Preferably, the fixing part comprises a cylinder connected with the head ring piece and a fixing rod with one end abutting against the head of the human body, and the fixing rod is connected with the cylinder.

Preferably, the column body is fixed on the head ring piece through a connecting structure; the connecting structure comprises a sliding groove arranged on the column body and a connecting piece which is used for penetrating through the sliding groove to be connected with the head ring piece so as to compress the column body; the head ring piece is provided with a first positioning part, and the frame body is provided with a second positioning part which is in splicing fit with the first positioning part; a convex part is arranged on the inner wall of the sliding chute, and the connecting piece is abutted to the convex part; by arranging the first positioning part and the second positioning part, the frame body can be directly positioned when the frame body covers the head ring piece, so that the frame body is prevented from deviating on the head ring piece, the position of the frame body after being fixed is accurate, and the stability is high; set up the bellying and can be located in the middle of the spout at the tip of connecting piece, and then avoid the tip of connecting piece to be hidden, avoid the tip of connecting piece to contact with the human body and harm the human body.

In conclusion, the utility model can accurately reset the head position of the patient when the patient is transferred, thereby improving the precision during the operation, improving the success rate of the operation and reducing the operation difficulty.

Drawings

Fig. 1 is a first structural schematic diagram of the present invention.

Fig. 2 is an enlarged view of a in fig. 1.

Fig. 3 is a second structural schematic diagram of the present invention.

Fig. 4 is an exploded view of the present invention.

Fig. 5 is a schematic view showing the structure of the head ring member and the fixing member of the present invention.

Fig. 6 is an exploded view of the head ring member and securing member of the present invention.

Fig. 7 is a schematic view of the structure of the headgear of the present invention.

Fig. 8 is a partial structural diagram of the headgear according to the present invention.

Fig. 9 is a partial structural schematic diagram of the headgear of the present invention.

FIG. 10 is a schematic structural diagram of a positioning element according to the present invention.

Fig. 11 is a schematic structural view of a fixing member of the present invention.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

As shown in fig. 1-11, a brain stereotactic assist device comprises a head ring member 1, a fixing member 2, and a frame body 3; the head ring piece 1 is a metal ring, the head ring piece 1 is a metal frame similar to a square, and the head ring piece 1 can be sleeved on the head of a human body; the head ring piece 1 comprises a ring body part 101 and a bent part 102, wherein the ring body part 101 is a square frame, the bent part 102 is an inverted V-shaped structure, and the bent part 102 and the ring body part 101 can be integrally formed or connected together through a screw and the ring body part 101; the number of the fixing parts 2 is four, and the four fixing parts 2 are respectively installed at four corners of the ring body part 102, and after the head ring member 1 is sleeved on the head of the human body, the head ring member is fixed on the head of the human body through the four fixing parts 2.

Specifically, the fixing part 2 includes a cylinder 21 and a fixing rod 22, wherein the cylinder 21 is a carbon fiber rod, or may be a metal rod; a groove 105 is formed on the ring body part 101, the cylinder 2 is embedded into the groove 105, and the cylinder 21 is fixed to the head ring member 1 through a connecting structure; specifically, the connecting structure includes a sliding groove 210 and a connecting piece 5, wherein the sliding groove 210 is a strip-shaped through groove, a circle of protruding portions 211 with the thickness smaller than the depth of the sliding groove 210 are arranged on the inner wall of the sliding groove 210, the connecting piece 22 is a metal bolt, the connecting piece 22 penetrates through the sliding groove 210, and then the connecting piece 22 is in threaded connection with the ring body 101; then, after the connecting piece 22 is screwed with the ring body 101, the end of the connecting piece 22 is tightly abutted with the protruding part 211, so as to press the column 21 to fix the column 21.

Further, the fixing rod 22 is a medical plastic rod, the front end of the fixing rod 22 is a conical structure, the rear end of the fixing rod 22 is provided with a cross-shaped or hexagonal groove, the upper end of the column 21 is provided with a screw hole, the fixing rod 22 passes through the screw hole, and the fixing rod 22 is in threaded connection with the inner wall of the screw hole, so that the fixing rod 22 can be positioned at a corresponding position by rotating the fixing rod 22; when the head ring 1 is fixed, the four fixing rods 22 are rotated to simultaneously abut against the head of a human body, so that the head ring 1 can be fixed.

Specifically, the frame body 3 is made of transparent plastic material, the frame body 3 is approximately in a square box shape, the frame body 3 can be sleeved on the head of a human body, and the frame body 3 comprises two side frame bodies 301, a rear frame body 302 and a top frame body 303; the side frame 301 is a hollow square plate, the side frame 301 is provided with a cross-shaped reinforcing rod 309, the two side frame bodies 301 are left and right, the top frame body 303 is a plastic frame with the structure consistent with that of the side frame body 301, and the top frame body 303 is connected with the upper ends of the two side frame bodies 301; the structure of the rear frame body 302 is consistent with that of the side frame bodies 301, the rear frame body 302 is positioned at one side of the two side frame bodies 301, and the upper end of the rear frame body 302 is connected with the top frame body 301; after the frame body 3 is sleeved on the head of a human body, the lower ends of the side frame bodies 301 and the lower end of the rear frame body 302 are both erected on the head ring piece 1.

Further, mounting lugs 32 are arranged at the left end and the right end of each side frame body 301, the mounting lugs 32 and the side frame bodies 301 are integrally formed, and the mounting lugs 32 are lugs provided with screw holes; four mounting rods 12 are screwed on the head ring piece 1, the mounting rods 12 are threaded rods, and the mounting rods 12 can be screwed on the mounting lugs 32, so that when the frame body 3 is erected on the head ring piece 1, the mounting rods 12 rotate, and at the moment, the mounting rods 12 are screwed on the mounting lugs 32 from bottom to top.

Specifically, the head ring member 1 is provided with a first positioning portion 11, the first positioning portion 11 is a strip-shaped groove formed on the head ring member 11, the frame body 3 is provided with a second positioning portion 31, the second positioning portion 31 is a protruding strip extending from the lower portion of the side frame 301, after the frame body 3 is sleeved on the head of a human body, the second positioning portion 31 is inserted into the first positioning portion 11 to position the frame body 3, and then the mounting rod 12 and the mounting lug 32 are screwed together to fix the frame body 3.

Furthermore, a plumb line 61 is arranged on the headstock 3, and the plumb line 61 is composed of a flexible pull line 611 and a gravity ball 612 connected with the pull line, so that the plumb line 61 can naturally droop; a locking member is provided on the headgear 3, on which one end of the perpendicular member 61 is located, so that the locking member can be moved back and forth by the headgear 3; the locking member includes a moving member 71 and a locking member 72, wherein the moving member 71 includes a base plate 711, a support protrusion 712, and a guide bar 713, the base plate 711 is a plate having a screw hole, the support protrusion 712 is a bar having a groove, the guide bar 713 is coupled to the inside of the groove of the support protrusion 712 by a screw, and one end of the perpendicular member 61 is coupled to the guide bar 713.

Specifically, a movable groove 300 is provided on the head frame 3, the movable groove 300 is a strip-shaped groove, the bottom plate 711 is located in the movable groove 300, a limiting member 308 is connected to an inner wall of the movable groove 300, the limiting member 308 is a plastic member, the limiting member 308 is fixed to the inner wall of the movable groove 300 by a screw, and the limiting member 308 limits two sides of the bottom plate 711; the moving member 71 is provided with a mark part 701, the mark part 701 is an arrow, the frame body 3 is provided with a mark 311, and the mark 311 is a data scale; the mark part 701 may correspond to the reference numeral 311, the locking member 72 is a screw, and the locking member 72 is screwed with the inner wall of the screw hole of the moving member 71, so that when the locking member 72 rotates, the lower end of the locking member 72 abuts against the bottom of the movable groove 300, thereby locking the moving member 71 immovably.

Further, a positioning structure is arranged on the headstock 3, and is used for marking the position of the perpendicular component 61 after the perpendicular component 61 naturally droops, the positioning structure is a positioning component 62 which is rotatably arranged on the headstock 3, the positioning component 62 is a plastic rod, when the positioning component 62 rotates, the damping is large, that is, a large force is required to rotate the positioning component, and a positioning concave 621 is arranged on the positioning component 62; when the patient lies on the CT apparatus, the locking member 72 is released, the moving member 71 is pushed to slide along the movable slot 300 until the vertical member 61 approaches the positioning member 62, the positioning member 62 is rotated until the positioning concave portion 621 corresponds to the vertical member 61, the moving member 71 is pushed to be tangent to the inner wall of the positioning concave portion 621, and the locking member 72 is screwed to fix the moving member 71; after the patient is transferred to the operating bed, the patient's brain position is adjusted until the vertical member 61 is again tangent to the inner wall of the positioning recess 621.

In other embodiments, both the tab member and the locating structure may be provided on the head ring member.

It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Claims

1. A brain stereotactic assist device, characterized by: the head ring piece comprises a head ring piece (1) capable of being sleeved on the head of a human body, a plurality of fixing parts (2) used for fixing the head ring piece (1) and a head frame (3) covering the head of the human body, wherein the head frame (3) is detachably connected with the head ring piece (1), and a naturally drooping vertical line piece (61) is arranged on the head ring piece (1) and/or the head frame (3).

2. The brain stereotactic aid of claim 1, wherein: and the head ring piece (1) and/or the head frame (3) are/is provided with a positioning structure corresponding to the vertical line piece (61) to mark the position of the vertical line piece (61).

3. The brain stereotactic aid of claim 2, wherein: the vertical line piece and the positioning structure are arranged on the head frame (3).

4. The brain stereotactic aid of claim 1, wherein: the plumb line piece is movable back and forth on the headstock (3) by means of a locking member.

5. The brain stereotactic aid of claim 4, wherein: the locking component comprises a moving member (71) which can move back and forth along the headstock (3) under the pushing of external force and a locking member (72) for locking the moving member (71), and the vertical line member (61) is connected with the moving member (71).

6. The brain stereotactic aid of claim 5, wherein: the moving piece (71) is provided with a mark part (711), and the headstock (3) is provided with a mark (311) matched with the mark part (711).

7. The brain stereotactic aid of claim 2, wherein: the positioning structure is a positioning part (62) which is rotatably arranged on the headstock (3), and the vertical line part (61) is abutted against the positioning part (62).

8. The brain stereotactic aid of claim 7, wherein: the positioning piece (62) is provided with a positioning concave part (621), and the vertical line piece (61) is partially positioned in the positioning concave part (621).

9. The brain stereotactic aid of claim 1, wherein: the fixing part (2) comprises a cylinder (21) connected with the head ring piece (1) and a fixing rod (22) with one end abutting against the head of a human body, and the fixing rod (22) is connected with the cylinder (21).

10. The brain stereotactic aid of claim 9, wherein: the column body (21) is fixed on the head ring piece (1) through a connecting structure; the connecting structure comprises a sliding groove (210) arranged on the cylinder body (21) and a connecting piece (5) which is used for penetrating through the sliding groove (210) and is connected with the head ring piece (1) so as to press the cylinder body (21); a first positioning part (11) is arranged on the head ring piece (1), and a second positioning part (31) which is in splicing fit with the first positioning part (11) is arranged on the head frame (3); the inner wall of the sliding groove (210) is provided with a protruding part (211), and the connecting piece (5) is abutted to the protruding part (211).