CN215839527U

CN215839527U - Stereotactic headstock device

Info

Publication number: CN215839527U
Application number: CN202023204692.1U
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 stereotactic head frame device, which comprises a head ring piece, a plurality of fixing parts and a frame body, wherein the head ring piece can be sleeved on the head of a human 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

Stereotactic headstock device

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to a three-dimensional orientation head frame 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; to accomplish this, the head of the patient needs to be positioned by a stereotactic headgear assembly, wherein the headgear is mounted to the head of the patient by screws and secured to 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 stereotactic head frame device with 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 stereotactic head frame 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 horizontal positioning piece is arranged on the head ring piece and/or the frame body.

According to the utility model, by arranging the horizontal positioning piece, when a patient lies on the CT instrument, the position of the human body can be adjusted to the position where the horizontal positioning piece is at the horizontal position, the head of the human body is positioned at the moment, then after the patient completes CT scanning, when the patient is transferred to a sickbed, the horizontal positioning piece on the head of the patient is readjusted to the horizontal position, and the position of the head of the patient is reset on the operating bed again, so that an operation puncture needle can be punctured according to the position of a focus of a CT image film during an operation, the operation precision is ensured, the success rate of the operation 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 horizontal positioning piece is provided with a transparent observation cover, and the observation cover is provided with a plurality of marked lines; can be convenient for the doctor directly to look over the level bubble through setting up the observation lid to the marking can be convenient for judge the position of level bubble, thereby when patient transferred to the operating room by the CT room, only need the patient to adjust to the level bubble and remove original position, thereby the patient can keep the posture when doing CT once more.

Preferably, the end face of the observation cover is a convex face; by providing the convex surface, the horizontal bubble can be enlarged, thereby facilitating direct observation of the position of the horizontal bubble.

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.

Preferably, 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 height of the cylinder can be conveniently adjusted by arranging the sliding groove and the connecting piece, so that the cylinder can be adjusted to the height of the matched part according to different patients, and the head ring piece is high in stability when being fixed to the head of the patient.

Preferably, a first positioning part is arranged on the head ring piece, and a second positioning part which is in splicing fit with the first positioning part is arranged on the frame body; through setting up first location portion and second location portion, can directly fix a position the support body when the support body covers into on the first ring piece, guarantee support body can not take place the skew on the first ring piece, guarantee support body is accurate in the position after fixing to stability is high.

Preferably, the frame body is provided with a mounting lug, and the head ring piece is rotatably connected with a mounting rod in threaded connection with the mounting lug; the frame body is locked on the head ring piece by arranging the mounting rod and the mounting lug which are in threaded connection, so that the frame body and the head ring piece can still be tightly connected when a patient lies down, and the frame body can be maintained at a constant position when being directly contacted with a CT or an operating room.

Preferably, a protruding part is arranged on the inner wall of the sliding groove, and the connecting piece is abutted to the protruding part; the end part of the connecting piece can be located in the middle of the sliding groove by arranging the protruding part, so that the end part of the connecting piece is prevented from being hidden, and the end part of the connecting piece is prevented from contacting with a human body to damage the human body.

Preferably, the frame body comprises two side frame bodies, a rear frame body and a top frame body, wherein the two side frame bodies and the rear frame body are symmetrically arranged, and the top frame body is used for connecting the side frame bodies and the rear frame body; the head ring piece comprises a ring body part and a bent part connected with the ring body part, and the bent part is of an inverted V-shaped structure; the four frame bodies are arranged on the frame body, and when a patient lies down, the frame bodies can be in contact with a sickbed, so that the frame bodies are maintained at a constant position; the arrangement of the bending part can prevent the head ring piece from contacting with the bridge of the nose of the human body, and avoid unnecessary damage to the patient when receiving treatment.

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 schematic structural diagram of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is a schematic view showing the structure of the head ring member and the fixing member of the present invention.

Fig. 4 is an exploded view of the head ring member and the fixing member of the present invention.

Fig. 5 is a schematic structural view of the frame body of the present invention.

Fig. 6 is a schematic structural view of the fixing member of the present invention.

FIG. 7 is a schematic structural diagram of a horizontal positioning element according to 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. 1-7, a stereotactic head-mount device includes 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.

Further, a horizontal positioning piece 4 is arranged on the head ring piece 1, and the horizontal positioning piece 4 is located in the middle of the bending part 102; the horizontal positioning piece 4 is a level gauge, the horizontal positioning piece 4 is provided with a transparent observation cover 41, the level bubble on the internal horizontal liquid can be directly observed through the observation cover 41, and the end surface of the observation cover 41 is a convex surface, so that the level bubble can be enlarged; marked lines 411 are marked on the observation cover 41, the marked lines 411 are three, and the middle line is positioned in the middle of the observation cover 41.

Specifically, in other embodiments, the horizontal positioning element 4 may be located on the frame body 3, and certainly, the horizontal positioning element 4 may be installed on both the head ring member 1 and the frame body 3.

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 stereotactic head mount apparatus, comprising: 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 frame body (3) covering the head of the human body, wherein the frame body (3) is detachably connected with the head ring piece (1), and horizontal positioning pieces (4) are arranged on the head ring piece (1) and/or the frame body (3).

2. A stereotactic headgear device according to claim 1, wherein: be equipped with transparent observation lid (41) that sets up on horizontal location spare (4), be equipped with many marking (411) on observation lid (41).

3. A stereotactic headgear device according to claim 2, wherein: the end face of the observation cover (41) is convex.

4. A stereotactic headgear device according to 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).

5. A stereotactic headgear device according to claim 4, wherein: the column body (21) is fixed on the head ring piece (1) through a connecting structure.

6. A stereotactic headgear device according to claim 5, wherein: the connecting structure comprises a sliding groove (210) arranged on the cylinder body (21) and a connecting piece (5) which penetrates through the sliding groove (210) and is connected with the head ring piece (1) to compress the cylinder body (21).

7. A stereotactic headgear device according to claim 1, wherein: the head ring piece (1) is provided with a first positioning part (11), and the frame body (3) is provided with a second positioning part (31) which is in splicing fit with the first positioning part (11).

8. A stereotactic headgear device according to claim 1, wherein: the frame body (3) is provided with a mounting lug (32), and the head ring piece (1) is rotatably connected with a mounting rod (12) which is in threaded connection with the mounting lug (32).

9. A stereotactic headgear device according to claim 6, wherein: 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).

10. A stereotactic headgear device according to claim 1, wherein: the frame body (3) comprises two side frame bodies (301) and a rear frame body (302) which are symmetrically arranged, and a top frame body (303) used for connecting the side frame bodies (301) and the rear frame body (302); the head ring piece (1) comprises a ring body part (101) and a bent part (102) connected with the ring body part (101), wherein the bent part (102) is of an inverted V-shaped structure.