Limb fixing device for neurointervention patient

Abstract

The invention discloses a limb fixing device for a neurointervention patient. The limb fixing device comprises a fixing seat, a fixing mechanism, a top block and an adjusting mechanism, the adjusting mechanism comprises a square rod, a screw rod, a first telescopic rod, a limiting block, a second telescopic rod, a push rod and a limiting plate. A plurality of symmetrically arranged limiting grooves are formed in the mounting groove in an array manner; the straight rod and the first telescopic rod are symmetrically arranged on the two sides of the square rod. A protruding block is arranged in the middle of the square rod and movably connected with the ejector block. The upper end of the straight rod is provided with a mounting hole for mounting the push rod; one end of the first telescopic rod is fixedly connected with the limiting block, and a first elastic element is arranged on the periphery of the first telescopic rod and connected with the square rod and the limiting block. The limiting block is slidably installed in the limiting groove, a second telescopic rod is arranged at the upper end of the limiting block and connected with the limiting groove wall body, and a second elastic element is arranged on the periphery of the first telescopic rod and connected with the limiting block and the limiting groove wall body. Limiting plates capable of freely sliding are symmetrically arranged on the two sides of the top block and are movably connected with the sliding blocks; and the adjacent square rods are movably connected through a screw rod.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and in particular to a limb fixation device for patients undergoing neurointerventional surgery. Background Art

[0002] Neurointerventional surgery is a minimally invasive surgical method that uses vascular puncture technology to enter the intracranial or spinal blood vessels for treatment. It uses intravascular catheter operation technology with the support of a digital subtraction angiography (DSA) system to diagnose and treat lesions involving the human neurovascular system through specific methods such as selective angiography, embolization, dilatation, mechanical removal, and drug delivery. During the neurointerventional surgery and postoperative rehabilitation care, the patient's limbs need to be fixed to avoid limb movement during the surgery that may lead to failure of the neurointerventional surgery, and to avoid large-scale limb movement during the postoperative rehabilitation process that may cause collision and pulling of the surgical site. There are many fixation devices in the prior art to assist in fixing the patient's limbs, but the current fixation devices are relatively rigid, exert strong pressure on the limbs, and it is difficult to reposition and fix the limbs after exercise during the postoperative rehabilitation process; Therefore, the present invention provides a limb fixation device for patients undergoing neurointerventional surgery to assist in limb fixation during the neurointerventional surgery and subsequent rehabilitation process. Summary of the invention

[0003] In order to solve the drawbacks of the prior art, the present invention is achieved through the following technical solutions: A limb fixation device for a patient undergoing neurointervention surgery, comprising: a fixing seat, a fixing mechanism, a top block, and an adjusting mechanism; A movable groove is provided in the middle of the fixing seat; a slide groove is provided on the fixing seat wall at the lower end of the movable groove to install a fixing mechanism; a through hole array is provided at the bottom of the slide groove to install a top block, and an installation groove is provided at the lower end of the slide groove to install an adjustment mechanism; The fixing mechanism includes a slider, an arc plate, an airbag, an air pump, a strap, and a locking block; the slider is installed in the slide groove, and racks are symmetrically arranged on both sides of the slider to connect the adjustment mechanism; a circular hole is provided in the middle of the slider to rotatably connect the arc plate, and square holes are symmetrically provided on both sides of the circular hole to install the locking block; a gear is provided on the locking block to clamp the arc plate, and an electromagnet 1 is provided at the rear end of the locking block; an elastic element is provided on the electromagnet 1 to connect the electromagnet 2; the electromagnet 2 is fixedly connected to the wall of the square hole; airbags are symmetrically arranged inside the arc plate, and an abdominal belt is provided at the upper end of the arc plate; a cylinder is provided at the lower end of the arc plate, a gear is provided on the cylinder to movably connect the locking block, and a pointer is provided at the upper end of the cylinder; the airbag can be detachably mounted on the outer wall of the mounting seat; The adjusting mechanism includes: a square rod, a screw rod, a first telescopic rod, a limiting block, a second telescopic rod, a push rod, and a limiting plate; a number of symmetrically arranged limiting grooves are arrayed inside the installation groove; straight rods and the first telescopic rod are symmetrically arranged on both sides of the square rod, and a convex block is arranged in the middle of the square rod and is movably connected to the top block; mounting holes are opened at the upper ends of the straight rods to mount the push rod; one end of the first telescopic rod is fixedly connected to the limiting block, and an elastic element I is arranged on the outer circumference of the first telescopic rod to connect the square rod and the limiting block; the limiting block is slidably mounted inside the limiting groove, a second telescopic rod is arranged at the upper end of the limiting block to connect the wall body of the limiting groove, and an elastic element II is arranged on the outer circumference of the first telescopic rod to connect the limiting block and the wall body of the limiting groove; free-sliding limiting plates are symmetrically arranged on both sides of the top block and are movably connected to the slider; adjacent square rods are movably connected by the screw rod; Further, a U-shaped frame is arranged at the lower end of the mounting seat; fixing bolts are arranged on the U-shaped frame; Further, an arc-shaped groove is opened at the rear end of the limiting plate to connect the upper end of the push rod, and the limiting plate is slidably mounted in the mounting grooves on both sides of the top block; a first rack is arrayed at the front end of the limiting plate and is movably connected to the rack; Further, the push rod is an L-shaped rod with a cross bar arranged at the lower end, and straight rods are symmetrically arranged at the lower end of the push rod; Further, card holes are symmetrically opened at the lower end of the top block to connect the convex block; an elastic element III is arranged at the lower end of the top block to connect the bottom wall of the installation groove; Further, threads are arranged on both sides of the screw rod, the thread directions on both sides are opposite, and the pitches are the same. The two sides of the screw rod are respectively threadedly connected to adjacent square rods, and the synchronous approach or separation of the square rods is controlled by rotating the screw rod; Further, a scale disk is arranged at the upper end of the slider.

[0004] The beneficial effects of the present invention are as follows: Aiming at the drawbacks of the existing limb fixing device for patients in neurointerventional procedures, the present invention discloses a limb fixing device for patients in neurointerventional procedures, including: a fixing seat, a fixing mechanism, a top block, and an adjusting mechanism; the fixing seat is fixed on the operating table or the hospital bed through the fixing bolts on the fixing seat cooperating with the U-shaped frame, and then the air pump of the fixing mechanism works to control the expansion of the airbag and cooperate with the binding belt to achieve gentle fixation of the affected limb. Then, the slider is controlled to move in the sliding groove to adjust the position of the fixing mechanism to ensure the comfort of the fixed limb; and according to the position of the top block pressed by the slider, the corresponding screw rod is pressed, so that the square rod drives the push rod to move downward, the upper end of the push rod pushes the limiting plate to slide to lock the left and right sliding of the slider, and the screw rod is rotated to control the convex block to insert into the card hole to ensure the fixing stability of the fixed slider; Moreover, the arc-shaped plate can be rotated to adjust the comfortable fixing angle of the patient, and the fixing angle of the affected limb can be observed through the pointer. Then, the electromagnet I and the electromagnet II are controlled to work, the electromagnet I pushes the locking block to fit against the outer wall of the cylinder, and the locking block meshes with the gear on the cylinder to achieve the locking of the arc-shaped plate; In the present invention, flexible fixation of the patient's limbs is achieved through a fixing device to reduce the patient's discomfort. In the subsequent rehabilitation process, the patient's restricted movement can be recorded by the scale corresponding to the pointer and the top block pressed when the slider is fixed, ensuring that the limb can be quickly reset and fixed after the restricted movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0005] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for describing the embodiments are briefly introduced below.

[0006] Figure 1 It is a schematic diagram of the overall structure of a limb fixation device for patients undergoing neurointerventional surgery; Figure 2 It is a schematic diagram of the cross-sectional structure of a limb fixation device for patients undergoing neurointerventional surgery; Figure 3 A is a partially enlarged structural schematic diagram of a limb fixation device for patients undergoing neurointerventional surgery; Figure 4 The present invention is a schematic cross-sectional structural diagram of a fixing seat of a limb fixing device for a patient undergoing neurointerventional surgery; Figure 5 It is a partially enlarged structural schematic diagram of a limb fixation device for patients undergoing neurointerventional surgery D; Figure 6 The present invention is a structural schematic diagram of a fixing mechanism of a limb fixing device for a patient undergoing neurointerventional surgery; Figure 7 It is a partial enlarged structural schematic diagram B of a clamping mechanism of a limb fixation device for a patient undergoing neurointerventional surgery; Figure 8 The present invention is a schematic diagram of the structure of a top block of a limb fixation device for a patient undergoing neurointerventional surgery; Fig. 9 It is a schematic diagram of the partial cross-section structure of a limb fixation device for patients undergoing neurointerventional surgery; Fig.10 It is a partial structural schematic diagram of a limb fixation device for patients undergoing neurointervention C; Fig.11 The present invention is a schematic diagram of the structure of a slider and a curved plate of a limb fixation device for a patient undergoing neurointerventional surgery; Fig.12 The present invention is a schematic diagram of the cross-sectional structure of a slider and an arc-shaped plate of a limb fixation device for a patient undergoing neurointerventional surgery; Fig.13 It is a partial cross-sectional structural schematic diagram E of a limb fixation device for patients undergoing neurointerventional surgery; Fig.14 The schematic diagram of the cross-sectional structure of a curved plate of a limb fixation device for a patient undergoing neurointerventional surgery; Fig.15Schematic structural diagram of a straight rod of a limb fixation device for patients undergoing neurointerventional procedures.

[0007] In the attached drawings, the components represented by each reference numeral are as follows: 1 - fixing base, 101 - U-shaped frame, 1011 - fixing bolt, 102 - movable slot, 103 - sliding slot, 1031 - through hole, 104 - mounting slot, 1041 - limiting slot, 2 - arc plate, 201 - airbag, 202 - binding strap, 203 - cylinder, 2031 - pointer, 204 - locking member, 2041 - electromagnet 1, 2042 - elastic element, 2043 - electromagnet 2, 2044 - scale disk, 205 - air pump, 3 - fixing mechanism, 301 - square rod, 3011 - limiting block, 30111 - elastic element 1, 30112 - telescopic rod 1, 30113 - elastic element 2, 30114 - telescopic rod 2, 302 - straight rod, 303 - push rod, 304 - limiting plate, 3041 - rack 2, 4 - top block, 401 - elastic element, 402 - clamping hole, 5 - slider, 501 - rack. Detailed implementation mode

[0008] To solve the problems existing in the existing limb fixation devices for patients undergoing neurointerventional procedures, the present invention discloses a limb fixation device for patients undergoing neurointerventional procedures, including: a fixing base 1, a fixing mechanism 3, a top block 4, and an adjustment mechanism; A movable slot 102 is opened in the middle of the fixing base 1; a sliding slot 103 is opened on the wall of the fixing base 1 at the lower end of the movable slot 102 to install the fixing mechanism 3; through holes 1031 are arrayed at the bottom of the sliding slot 103 to install the top block 4, and an installation slot 104 is opened at the lower end of the sliding slot 103 to install the adjustment mechanism; The fixing mechanism 3 includes a slider 5, an arc plate 2, an airbag 201, an air pump 205, a binding strap 202, and a locking block; the slider 5 is installed in the sliding slot 103, and racks are symmetrically arranged on both sides of the slider 5 to connect the adjustment mechanism; a circular hole is opened in the middle of the slider 5 to rotatably connect the arc plate 2, and square holes are symmetrically opened on both sides of the circular hole to install the locking block; a gear is arranged on the locking block to clamp the arc plate 2, and an electromagnet 1 2041 is arranged at the rear end of the locking block; an elastic element 2042 is arranged on the electromagnet 1 2041 to connect the electromagnet 2 2043; the electromagnet 2 2043 is fixedly connected to the wall of the square hole; airbags 201 are symmetrically arranged inside the arc plate 2, and a belly strap is arranged at the upper end of the arc plate 2; a cylinder 203 is arranged at the lower end of the arc plate 2, a gear is arranged on the cylinder 203 to movably connect the locking block, and a pointer 2031 is arranged at the upper end of the cylinder 203; the airbag 201 is detachably installed on the outer wall of the mounting seat; The adjusting mechanism comprises: a square rod 301, a screw rod, a telescopic rod 1 30112, a limit block 3011, a telescopic rod 2 30114, a push rod 303, and a limit plate 304; a plurality of symmetrically arranged limit grooves 1041 are arranged in an array inside the mounting groove 104; straight rods 302 and telescopic rod 1 30112 are symmetrically arranged on both sides of the square rod 301, and a convex block is arranged in the middle of the square rod 301 to movably connect the top block 4; a mounting hole is provided at the upper end of the straight rod 302 to install the push rod 303; one end of the telescopic rod 1 30112 is fixedly connected to the limit block 3011, and is fixed to the telescopic rod 30114. An elastic element 30111 is arranged on the periphery of the first 30112 to connect the square rod 301 and the limit block 3011; the limit block 3011 is slidably installed inside the limit groove 1041, a telescopic rod 2 30114 is arranged on the upper end of the limit block 3011 to connect the wall of the limit groove 1041, and an elastic element 2 30113 is arranged on the periphery of the telescopic rod 30112 to connect the limit block 3011 and the wall of the limit groove 1041; free-sliding limit plates 304 are symmetrically arranged on both sides of the top block 4 to movably connect the slider 5; adjacent square rods 301 are movably connected by screws; The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Example 1

[0009] like Figure 1-9 The figure shows a schematic structural diagram of a limb fixation device for a patient undergoing neurointerventional surgery according to the present invention, wherein the limb fixation device for a patient undergoing neurointerventional surgery comprises a fixing seat 1, a fixing mechanism 3, a top block 4, and an adjusting mechanism; A movable groove 102 is provided in the middle of the fixing seat 1; a sliding groove 103 is provided on the wall of the fixing seat 1 at the lower end of the movable groove 102 to install the fixing mechanism 3; a through hole 1031 is provided in the bottom array of the sliding groove 103 to install the top block 4, and a mounting groove 104 is provided at the lower end of the sliding groove 103 to install the adjustment mechanism; The fixing mechanism 3 includes a slider 5, an arc plate 2, an airbag 201, an air pump 205, a strap 202, and a locking block; the slider 5 is installed in the slide groove 103, and racks are symmetrically arranged on both sides of the slider 5 to connect the adjustment mechanism; a circular hole is provided in the middle of the slider 5 to rotatably connect the arc plate 2, and square holes are symmetrically provided on both sides of the circular hole to install the locking block; a gear is provided on the locking block to clamp the arc plate 2, and an electromagnet 1 2041 is provided at the rear end of the locking block; an elastic element 2042 is provided on the electromagnet 1 2041 to connect the electromagnet 2 2043; the electromagnet 2 2043 is fixedly connected to the square hole wall; the airbag 201 is symmetrically arranged inside the arc plate 2, and an abdominal belt is provided at the upper end of the arc plate 2; a cylinder 203 is provided at the lower end of the arc plate 2, a gear is provided on the cylinder 203 to movably connect the locking block, and a pointer 2031 is provided at the upper end of the cylinder 203; the airbag 201 can be detachably installed on the outer wall of the mounting seat; The adjusting mechanism includes: a square rod 301, a screw rod, a first telescopic rod 30112, a limiting block 3011, a second telescopic rod 30114, a push rod 303, and a limiting plate 304; a number of symmetrically arranged limiting grooves 1041 are arranged in an array inside the installation groove 104; straight rods 302 and the first telescopic rod 30112 are symmetrically arranged on both sides of the square rod 301, and a convex block is arranged in the middle of the square rod 301 and is movably connected to the top block 4; an installation hole is opened at the upper end of the straight rod 302 to install the push rod 303; one end of the first telescopic rod 30112 is fixedly connected to the limiting block 3011, and a first elastic element 30111 is arranged on the outer periphery of the first telescopic rod 30112 to connect the square rod 301 and the limiting block 3011; the limiting block 3011 is slidably installed inside the limiting groove 1041, a second telescopic rod 30114 is arranged at the upper end of the limiting block 3011 to connect the wall body of the limiting groove 1041, and a second elastic element 30113 is arranged on the outer periphery of the first telescopic rod 30112 to connect the limiting block 3011 and the wall body of the limiting groove 1041; limiting plates 304 that slide freely are symmetrically arranged on both sides of the top block 4 and are movably connected to the slider 5; adjacent square rods 301 are movably connected by a screw rod; In this embodiment, a U-shaped frame 101 is arranged at the lower end of the mounting seat; a fixing bolt 1011 is arranged on the U-shaped frame 101; In this embodiment, an arc-shaped groove is opened at the rear end of the limiting plate 304 to connect the upper end of the push rod 303, and the limiting plate 304 is slidably installed in the installation groove 104 on both sides of the top block 4; a first rack is arranged in an array at the front end of the limiting plate 304 and is movably connected to a rack; In this embodiment, the push rod 303 is an L-shaped rod with a cross bar arranged at the lower end, and straight rods 302 are symmetrically arranged at the lower end of the push rod 303; In this embodiment, card holes 402 are symmetrically opened at the lower end of the top block 4 to connect the convex block; a third elastic element 2042 is arranged at the lower end of the top block 4 to connect the bottom wall of the installation groove 104; In this embodiment, threads are arranged on both sides of the screw rod, the thread directions on both sides are opposite, and the pitches are the same. The two sides of the screw rod are respectively threadedly connected to adjacent square rods 301, and the synchronous approach or separation of the square rods 301 is controlled by rotating the screw rod; In this embodiment, a scale disk 2044 is arranged at the upper end of the slider 5; During actual use: The fixing seat 1 is fixed on the operating table or the hospital bed through the fixing bolt 1011 on the fixing seat 1 cooperating with the U-shaped frame 101, Then, the air pump 205 of the fixing mechanism 3 controls the expansion of the airbag 201 to cooperate with the strap 202 to achieve gentle fixation of the affected limb, and then controls the slider 5 to move in the slide groove 103, and adjusts the position of the fixing mechanism 3 to ensure the comfort of the fixed limb; and according to the position of the top block 4 pressed by the slider 5, the corresponding screw rod can be pressed to make the square rod 301 drive the push rod 303 to move downward, and the upper end of the push rod 303 pushes the limit plate 304 to slide and lock the slider 5 to slide left and right, and rotates the screw rod to control the protrusion to insert into the card hole 402 to ensure the stability of the fixed slider 5; The arc plate 2 can be rotated to adjust the fixed angle to be comfortable for the patient, and the fixed angle of the affected limb can be observed through the pointer 2031, thereby controlling the operation of electromagnet 1 2041 and electromagnet 2 2043. Electromagnet 1 2041 pushes the locking block to fit the outer wall of the cylinder 203, and the locking block is engaged with the gear on the cylinder 203 to achieve the locking of the arc plate 2.

[0010] In summary, the present invention aims at the drawbacks of the limb fixation devices for patients undergoing neurointerventional surgery in the prior art and discloses a limb fixation device for patients undergoing neurointerventional surgery. The fixation device can realize flexible fixation of the patient's limbs to alleviate the patient's discomfort. In the subsequent rehabilitation process, the patient's restricted movement can be recorded by the scale corresponding to the pointer 2031 and the top block 4 compressed when the slider 5 is fixed, ensuring that the limb can be quickly reset and fixed after the restricted movement.

[0011] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to only the specific implementation methods described.

Claims

1. A limb fixation device for patients undergoing neurointerventional surgery, characterized in that: Including: A fixed seat, a fixing mechanism, a top block, and an adjusting mechanism; An activity groove is formed in the middle of the fixed seat; a sliding groove is formed in the wall body of the fixed seat at the lower end of the activity groove to install the fixing mechanism; through holes are arrayed at the bottom of the sliding groove to install the top block, and an installation groove is formed at the lower end of the sliding groove to install the adjusting mechanism; The fixing mechanism includes a slider, an arc plate, an airbag, an air pump, a binding belt, and a locking block; the slider is installed in the sliding groove, and racks are symmetrically arranged on both sides of the slider to connect the adjusting mechanism; a circular hole is formed in the middle of the slider to rotatably connect the arc plate, and square holes are symmetrically formed on both sides of the circular hole to install the locking block; a gear is arranged on the locking block to engage with the arc plate, and an electromagnet one is arranged at the rear end of the locking block; an elastic element is arranged on the electromagnet one to connect the electromagnet two; the electromagnet two is fixedly connected to the wall body of the square hole; airbags are symmetrically arranged inside the arc plate, and a belly band is arranged at the upper end of the arc plate; a cylinder is arranged at the lower end of the arc plate, a gear is arranged on the cylinder to movably connect the locking block, and a pointer is arranged at the upper end of the cylinder; the airbag is detachably installed on the outer wall of the installation seat; The adjusting mechanism includes: a square rod, a screw rod, a first telescopic rod, a limiting block, a second telescopic rod, a push rod, and a limiting plate; a number of symmetrically arranged limiting grooves are arrayed inside the installation groove; straight rods and the first telescopic rods are symmetrically arranged on both sides of the square rod, and a convex block is arranged in the middle of the square rod to movably connect the top block; an installation hole is formed at the upper end of the straight rod to install the push rod; one end of the first telescopic rod is fixedly connected to the limiting block, and an elastic element one is arranged on the outer periphery of the first telescopic rod to connect the square rod and the limiting block; the limiting block is slidably installed inside the limiting groove, a second telescopic rod is arranged at the upper end of the limiting block to connect the wall body of the limiting groove, and an elastic element two is arranged on the outer periphery of the first telescopic rod to connect the limiting block and the wall body of the limiting groove; limiting plates that slide freely are symmetrically arranged on both sides of the top block to movably connect the slider; adjacent square rods are movably connected through the screw rod.

2. A limb fixation device for patients undergoing neurointervention according to claim 1, characterized in that: A U-shaped frame is arranged at the lower end of the installation seat; a fixing bolt is arranged on the U-shaped frame.

3. A limb fixation device for patients undergoing neurointervention according to claim 1, characterized in that: An arc groove is formed at the rear end of the limiting plate to connect the upper end of the push rod, and the limiting plate is slidably installed in the installation grooves on both sides of the top block; racks one are arrayed at the front end of the limiting plate to movably connect the racks.

4. The limb fixation device for patients undergoing neurointervention according to claim 1, characterized in that: The push rod is an L-shaped rod with a cross bar arranged at the lower end, and straight rods are symmetrically arranged at the lower end of the push rod.

5. The limb fixation device for patients undergoing neurointervention according to claim 1, characterized in that: Card holes are symmetrically formed at the lower end of the top block to connect the convex block; an elastic element three is arranged at the lower end of the top block to connect the bottom wall of the installation groove.

6. The limb fixation device for patients undergoing neurointervention according to claim 1, characterized in that: Threads are arranged on both sides of the screw rod, the thread directions on both sides are opposite, the pitches are the same, and the screw rod is threadedly connected to the adjacent square rods on both sides respectively, and the synchronous approach or separation of the square rods is controlled by rotating the screw rod.

7. The limb fixation device for patients undergoing neurointervention according to claim 1, characterized in that: A scale disk is arranged at the upper end of the slider.

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