Head fixing frame for interventional therapy

Abstract

The utility model discloses a head fixing frame for interventional therapy, and belongs to the technical field of medical instruments. Comprising a mounting frame and a fixing frame for fixing the head of a patient. The mounting frame is clamped at one end of a sickbed, part of the mounting frame is pressed by the shoulders of a patient, the lower portion of the mounting frame is fixed through a plurality of first bolts, the position of a fastening rod for fixing the head of the patient of the fixing frame is adjustable, a height adjusting mechanism for adjusting the height of the fixing frame is arranged above one end of the mounting frame, and an elevation angle adjusting mechanism matched with the elevation angle of the head of the patient is arranged below the fixing frame. The height adjusting mechanism is connected with the elevation angle adjusting mechanism through the rotating mechanism; the device can be stably mounted on a sickbed by arranging the mounting frame which is pressed by the shoulders of a patient and fixed by a plurality of bolts I below, and the device can be randomly adjusted during use by arranging the fixing frame with the position of the fastening rod adjustable, the height adjusting mechanism, the elevation angle adjusting mechanism and the rotating mechanism.

Description

Technical Field

[0001] The utility model provides a head fixing frame for interventional treatment, belonging to the technical field of medical equipment. Background Art

[0002] Interventional therapy is a modern medical treatment technology. It is a non-open surgical method that uses the guidance of medical images such as X-ray, CT, ultrasound, MRI, etc. to insert interventional devices such as catheters through percutaneous puncture or natural cavities to directly reach the site of the lesion for diagnosis and treatment. Interventional therapy is minimally invasive, highly targeted, effective, and has a quick recovery. It has shown obvious advantages in the treatment of many diseases.

[0003] When performing medical imaging on patients, in order to avoid image blur or distortion caused by voluntary or involuntary head movement and to improve the accuracy of surgical positioning, a head fixator is required to obtain clear images at each exposure. However, the head fixators currently used by doctors are not flexible enough in adjustment, especially when multi-directional and multi-angle observation or treatment is required, and the requirements for precise adjustment cannot be met. In addition, the existing head fixators are all fixed on the legs of the hospital bed, which are not firm enough. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the current head fixing parts are not firm enough during installation and are inconvenient to adjust.

[0005] In order to solve the above problems, the utility model proposes a technical solution: a head fixing frame for interventional treatment, comprising a mounting frame and a fixing frame for fixing the patient's head; the mounting frame is clamped at one end of the bed, and is partially pressed by the patient's shoulder, and is fixed at the bottom with a plurality of bolts, the position of the fastening rod for fixing the patient's head of the fixing frame is adjustable, a height adjustment mechanism for adjusting the height of the fixing frame is provided above one end of the mounting frame, and an elevation adjustment mechanism for matching the elevation angle of the patient's head is provided at the bottom of the fixing frame, and the height adjustment mechanism and the elevation adjustment mechanism are connected through a rotating mechanism;

[0006] As an improvement, the mounting frame includes a vertical plate, an upper plate arranged at the upper part of one end of the vertical plate, a middle plate arranged below the upper plate and in the middle part of the vertical plate, and a lower plate arranged below the other end of the vertical plate, and a plurality of bolts are arranged on the middle plate in a threaded manner;

[0007] As an improvement, the fixing frame includes two rotatably arranged semicircular arc plates, a plurality of telescopic rods are arranged at equal angles on one side of the semicircular arc plates, and the fastening rods are arranged at the ends of the telescopic rods;

[0008] As an improvement, one end of the two semicircular arc plates is connected by a hinge, and the other end is divided into two halves and provided with a connecting plate 1, the two connecting plates 1 are fixed by bolts 2, the telescopic rod comprises a fixing rod 1 fixedly arranged on one side of the semicircular arc plate, a screw rod 1 passing through the fixing rod 1 and the semicircular arc plate is arranged inside the fixing rod 1, the screw rod 1 passes through the end of part of the fixing rod 1 and is threadedly connected to the moving rod 1, the fixing rod 1 is provided with a guide rod 1 at the four corners of the screw rod 1, the middle of the moving rod 1 is provided with a threaded hole 1 corresponding to the screw rod 1, and the four corners are provided with guide holes 1 corresponding to the guide rod 1;

[0009] As an improvement, the height adjustment mechanism includes a second fixed rod fixedly arranged above the lower plate, a second screw rod passing through the second fixed rod and the lower plate is arranged inside the second fixed rod, the second screw rod passes through a portion of the end of the second fixed rod and is threadedly connected to the second moving rod, the second fixed rod is provided with two guide rods at the four corners of the second screw rod, the middle of the second moving rod is provided with two threaded holes corresponding to the second screw rod, and the four corners are provided with two guide holes corresponding to the second guide rod;

[0010] As an improvement, the rotating mechanism includes a connecting platform with a T-shaped cross section fixedly arranged on the upper end of the second moving rod, a rotating platform arranged above the second moving rod, a connecting hole corresponding to the connecting platform is arranged inside the rotating platform, a threaded hole three is arranged on the rotating platform, a threaded bolt three is arranged in the threaded hole three, and the end of the bolt three can fit the upper end surface of the second moving rod;

[0011] As an improvement, the elevation adjustment mechanism includes a semicircular plate arranged at the upper end of the rotating table, an arc-shaped hole is provided on the semicircular plate, an arc-shaped block is provided in the arc-shaped hole, two connecting plates with side surfaces fitting the semicircular plate are respectively provided at both ends of the arc-shaped block, two connecting plates are fixedly arranged in the middle of the lower end of an arc plate, one of the arc plates is provided with a threaded hole four, a threaded bolt four is provided in the threaded hole four, and the end of the bolt four can fit one side of the semicircular plate.

[0012] Beneficial effects of the utility model:

[0013] By providing a mounting frame which is pressed by the patient's shoulder and fixed with a plurality of bolts at the bottom, the device can be stably mounted on the bed. By providing a fixing frame with an adjustable fastening rod position, a height adjustment mechanism, an elevation adjustment mechanism, and a rotating mechanism, the device can be adjusted arbitrarily during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model is a schematic structural diagram of a head fixation frame for interventional treatment.

[0015] Figure 2 The utility model is a schematic diagram of a mounting frame of a head fixing frame for interventional treatment.

[0016] Figure 3The utility model is a schematic diagram of a head fixation frame for interventional treatment.

[0017] Figure 4 The utility model is a schematic diagram of a moving rod of a head fixing frame for interventional treatment.

[0018] Figure 5 The utility model is a schematic diagram of a height adjustment mechanism of a head fixing frame for interventional treatment.

[0019] Figure 6 The utility model is a schematic diagram of a moving rod of a head fixation frame for interventional treatment.

[0020] Figure 7 The utility model is a schematic diagram of an elevation angle adjustment mechanism of a head fixation frame for interventional treatment.

[0021] Figure 8 The fourth schematic diagram is a threaded hole of a head fixation frame for interventional treatment according to the utility model.

[0022] Fig. 9 The utility model is an exploded view of the rotating mechanism of a head fixing frame for interventional treatment.

[0023] 1. Mounting frame; 101. Bolt 1; 102. Vertical plate; 103. Upper plate; 104. Middle plate; 105. Lower plate; 2. Fixing frame; 201. Fastening rod; 202. Arc plate; 2021. Hinge; 2022. Connecting plate 1; 2023. Bolt 2; 203. Telescopic rod; 2031. Fixed rod 1; 2032. Screw rod 1; 2033. Moving rod 1; 20331. Threaded hole 1; 20332. Guide hole 1; 2034. Guide rod 1; 3. Height adjustment mechanism Structure; 301, fixed rod 2; 302, screw rod 2; 303, mobile rod 2; 3031, threaded hole 2; 3032, guide hole 2; 304, guide rod 2; 4, elevation adjustment mechanism; 401, semicircular plate; 4011, arc hole; 402, arc block; 403, connecting plate 2; 4031, threaded hole 4; 404, bolt 4; 5, rotating mechanism; 501, connecting platform; 502, rotating platform; 5021, threaded hole 3; 503, connecting hole; 504, bolt 3; DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings.

[0025] according to Figure 1—9 shows: the utility model provides a head fixing frame for interventional treatment: comprising a mounting frame 1 and a fixing frame 2 for fixing the patient's head; the mounting frame 1 is clamped at one end of the hospital bed and is partially pressed by the patient's shoulder and fixed at the bottom with a plurality of bolts 101; the position of the fastening rod 201 of the fixing frame 2 for fixing the patient's head is adjustable; a height adjustment mechanism 3 for adjusting the height of the fixing frame 2 is provided above one end of the mounting frame 1; an elevation adjustment mechanism 4 for matching the elevation angle of the patient's head is provided at the bottom of the fixing frame 2; the height adjustment mechanism 3 is connected to the elevation adjustment mechanism 4 through a rotating mechanism 5; by providing the mounting frame 1 that is pressed by the patient's shoulder and fixed at the bottom with a plurality of bolts 101, the device can be stably installed on the hospital bed; by providing the fixing frame 2 with an adjustable position of the fastening rod 201, the height adjustment mechanism 3, the elevation adjustment mechanism 4, and the rotating mechanism 5, the device can be adjusted arbitrarily when in use;

[0026] As an improvement, the mounting frame 1 includes a vertical plate 102, an upper plate 103 arranged at the upper part of one end of the vertical plate 102, a middle plate 104 arranged below the upper plate 103 and located in the middle part of the vertical plate 102, and a lower plate 105 arranged below the other end of the vertical plate 102. A plurality of bolts 101 are threadedly telescopically arranged on the middle plate 104. In this way, the device can be stabilized by clamping the bed in the middle part of the upper plate 103 and the middle plate 104 and then pressing the upper plate 103 with the patient's shoulder, and then rotating the bolts 101.

[0027] The fixing frame 2 includes two rotatably arranged semicircular arc plates 202, one side of the semicircular arc plates 202 is provided with a plurality of telescopic rods 203 at equal angles, the fastening rod 201 is arranged at the end of the telescopic rod 203, one end of the two semicircular arc plates 202 is connected by a hinge 2021, and the other end is divided into two halves and provided with a connecting plate 1 2022, the two connecting plates 1 2022 are fixed by bolts 2023, and the telescopic rod 203 includes a fixing rod 1 2031 fixedly arranged on one side of the semicircular arc plate 202, and the fixing rod 1 2031 is provided with a screw rod 1 2031 passing through the fixing rod 1 2031 and the semicircular arc plate 202. 032, the screw rod 2032 passes through the part of the end of the fixed rod 2031 and is threadedly connected to the moving rod 2033, the fixed rod 2031 is provided with guide rods 2034 at the four corners of the screw rod 2032, the middle of the moving rod 2033 is provided with a threaded hole 20331 corresponding to the screw rod 2032, and the four corners are provided with guide holes 20332 corresponding to the guide rod 2034; in this way, the patient's head can be put in by rotating an arc plate 202, and then the position of the moving rod 2033 can be changed by rotating the screw rod 2032, thereby changing the position where the fastening rod 201 is fixed to the patient's head;

[0028] The height adjustment mechanism 3 includes a second fixing rod 301 fixedly arranged above the lower plate 105, a second screw rod 302 passing through the second fixing rod 301 and the lower plate 105 is arranged inside the second fixing rod 301, the second screw rod 302 passes through a part of the end of the second fixing rod 301 and is threadedly connected to the second moving rod 303, the second fixing rod 301 is provided with a second guide rod 304 at the four corners of the second screw rod 302, the middle of the second moving rod 303 is provided with a second threaded hole 3031 corresponding to the second screw rod 302, and the four corners are provided with a second guide hole 3032 corresponding to the second guide rod 304; in this way, the height of the second moving rod 303 can be changed by rotating the second screw rod 302, thereby changing the height of the fixing frame 2, so that the device can adapt to the patient;

[0029] The rotating mechanism 5 includes a connecting platform 501 fixedly arranged at the upper end of the second moving rod 303 and having a T-shaped cross section, a rotating platform 502 arranged above the second moving rod 303, a connecting hole 503 corresponding to the connecting platform 501 is arranged inside the rotating platform 502, a threaded hole 3 5021 is arranged on the rotating platform 502, a threaded bolt 3 504 is arranged inside the threaded hole 3 5021, and the end of the bolt 3 504 can fit the upper end surface of the second moving rod 303; in this way, the angle of the fixing frame 2 can be changed by rotating the rotating platform 502, and then the bolt 3 504 is used to fix it, so that the device can adapt to the angle of the patient's head;

[0030] Among them, the elevation angle adjustment mechanism 4 includes a semicircular plate 401 arranged at the upper end of the rotating table 502, an arc hole 4011 is provided on the semicircular plate 401, an arc block 402 is provided in the arc hole 4011, and connecting plates 403 are respectively provided at both ends of the arc block 402, and the sides of the semicircular plate 401 are fitted. The two connecting plates 403 are fixedly arranged in the middle of the lower end of an arc plate 202, one of the arc plates 202 is provided with a threaded hole 4031, and a threaded bolt 404 is provided in the threaded hole 4031, and the end of the bolt 404 can fit one side of the semicircular plate 401. In this way, by changing the position of the arc block 402 in the arc hole 4011 and then fixing it with the bolt 404, the fixing frame 2 can adapt to the elevation angle of the patient's head.

[0031] The principle of the utility model is as follows: when in use, the bed is first clamped in the middle of the upper plate 103 and the middle plate 104, and then the patient's shoulder presses the upper plate 103, then the bolt 101 is rotated to fix the device to one end of the bed, and then the screw rod 2 302 is rotated to change the height of the moving rod 2 303, so that the middle of the fixing frame 2 is in the middle of the patient's neck, and then the arc plate 202 on the upper part of the fixing frame 2 is rotated, and then the patient lies on the bed, and the patient's shoulder presses the upper plate 102, and the neck position is between the two arc plates 202. Then rotate the arc plate 202 on the upper part of the fixing frame 2, and use the bolt 2023 to fix the two connecting plates 1 2022, then adjust the position of the arc block 402 in the arc hole 4011 according to the angle of the patient's head, and then use the bolt 404 to fix it, and finally rotate the screw rod 1 2032 to change the length of the telescopic rod 203 so that the fastening rod 201 is in a position fixed to the patient's head, and then rotate the fastening rod 201 so that the fastening rod 201 fixes the patient's head, and the device is installed.

[0032] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A head fixing frame for interventional therapy, comprising a mounting frame (1) and a fixing frame (2) for fixing a patient's head; characterized in that: The mounting frame (1) is clamped at one end of the hospital bed and is partially pressed by the patient's shoulder. The bottom is fixed by a plurality of bolts (101). The position of the fastening rod (201) of the fixing frame (2) for fixing the patient's head is adjustable. A height adjustment mechanism (3) for adjusting the height of the fixing frame (2) is provided above one end of the mounting frame (1). An elevation adjustment mechanism (4) for matching the elevation angle of the patient's head is provided below the fixing frame (2). The height adjustment mechanism (3) and the elevation adjustment mechanism (4) are connected via a rotating mechanism (5).

2. The head fixation frame for interventional treatment according to claim 1, characterized in that: The mounting frame (1) comprises a vertical plate (102), an upper plate (103) arranged at the upper part of one end of the vertical plate (102), a middle plate (104) arranged below the upper plate (103) and in the middle part of the vertical plate (102), and a lower plate (105) arranged below the other end of the vertical plate (102), and a plurality of the bolts (101) are threadedly telescopically arranged on the middle plate (104).

3. The head fixation frame for interventional treatment according to claim 1, characterized in that: The fixing frame (2) comprises two rotatably arranged semicircular arc plates (202), a plurality of telescopic rods (203) are arranged at equal angles on one side of the semicircular arc plates (202), and the fastening rod (201) is arranged at the end of the telescopic rod (203).

4. The head fixation frame for interventional treatment according to claim 3, characterized in that: One end of the two semicircular arc plates (202) is connected by a hinge (2021), and the other end is provided with a connecting plate (2022) in half, and the two connecting plates (2022) are fixed by bolts (2023), and the telescopic rod (203) includes a fixing rod (2031) fixedly arranged on one side of the semicircular arc plate (202), and a screw rod passing through the fixing rod (2031) and the semicircular arc plate (202) is provided inside the fixing rod (2031). The screw rod (2032) passes through a portion of the end of the fixed rod (2031) and is threadedly connected to the movable rod (2033). The fixed rod (2031) is provided with guide rods (2034) at the four corners of the screw rod (2032). The movable rod (2033) is provided with a threaded hole (20331) corresponding to the screw rod (2032) in the middle, and guide holes (20332) corresponding to the guide rod (2034) at the four corners.

5. The head fixation frame for interventional treatment according to claim 2, characterized in that: The height adjustment mechanism (3) comprises a second fixed rod (301) fixedly arranged above the lower plate (105); a second screw rod (302) passing through the second fixed rod (301) and the lower plate (105) is arranged inside the second fixed rod (301); the second screw rod (302) passes through a part of the end of the second fixed rod (301) and is threadedly connected to the second moving rod (303); the second fixed rod (301) is provided with two guide rods (304) at the four corners of the second screw rod (302); the middle part of the second moving rod (303) is provided with two threaded holes (3031) corresponding to the second screw rod (302); and the four corners are provided with two guide holes (3032) corresponding to the second guide rod (304).

6. The head fixation frame for interventional treatment according to claim 5, characterized in that: The rotating mechanism (5) comprises a connecting platform (501) fixedly arranged at the upper end of the second moving rod (303) and having a T-shaped cross section, a rotating platform (502) arranged above the second moving rod (303), a connecting hole (503) corresponding to the connecting platform (501) is arranged inside the rotating platform (502), a threaded hole (5021) is arranged on the rotating platform (502), a threaded bolt (504) is arranged inside the threaded hole (5021), and the end of the bolt (504) can fit the upper end surface of the second moving rod (303).

7. The head fixation frame for interventional treatment according to claim 6, characterized in that: The elevation angle adjustment mechanism (4) comprises a semicircular plate (401) arranged at the upper end of the rotating platform (502), the semicircular plate (401) being provided with an arc-shaped hole (4011), an arc-shaped block (402) being arranged in the arc-shaped hole (4011), two connecting plates (403) whose sides are in contact with the semicircular plate (401) are respectively arranged at both ends of the arc-shaped block (402), and two connecting plates (403) are fixedly arranged at the middle part of the lower end of an arc plate (202), one of the arc plates (202) being provided with a threaded hole (4031), a threaded bolt (404) being arranged in the threaded hole (4031), and an end of the bolt (404) can be in contact with one side of the semicircular plate (401).

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