CN220860332U

CN220860332U - Positioning device for neurosurgery

Info

Publication number: CN220860332U
Application number: CN202322330674.5U
Authority: CN
Inventors: 杨双武; 郭庆东; 胡世颉; 胡学安; 李娟�
Original assignee: Air Force Medical University of PLA
Current assignee: Air Force Medical University of PLA
Priority date: 2023-08-29
Filing date: 2023-08-29
Publication date: 2024-04-30
Anticipated expiration: 2033-08-29

Abstract

The utility model provides a positioning device for neurosurgery, which comprises a clamp, a clamp and a clamp, wherein the clamp is used for being detachably connected with a head of an operating table; the base is connected to one side of the clamp far away from the operating bed through a connecting plate; the support rod is vertically arranged on the base in a sliding manner, and a sliding control assembly is arranged on the base; the head support bracket is provided with a connecting rod at the lower end, a mounting seat is arranged at the upper end of the supporting rod, the connecting rod is rotatably arranged in a groove at the upper end of the mounting seat through a first rotating shaft, and a rotation control assembly is arranged on the mounting seat; the head fixing clamps are symmetrically arranged on two sides of the head support, the two sides of the head support are respectively provided with a fixing plate, the upper surface of the fixing plate is provided with a sliding groove parallel to the width direction of the head, a sliding block is arranged in the sliding groove, the upper end of the sliding block is connected with the head fixing clamps through a vertical rod, and the fixing plates are provided with driving components. The utility model is convenient for installation and disassembly, and saves time and labor; can micro-adjust the height and angle of the head of the patient, improve the accuracy of the operation adjustment, optimize the operation vision, and avoid the injury of the patient caused by too strong force.

Description

Positioning device for neurosurgery

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a positioning device for neurosurgery.

Background

Neurosurgery is a branch in surgery, and is based on surgery as a main treatment means, a unique neurosurgery research method is applied to research human nervous systems, such as brain, spinal cord and peripheral nervous systems, and related auxiliary organs, such as damage, inflammation, tumor, deformity and certain genetic metabolic disorders or dysfunction diseases of structures of skull, scalp, cerebral vascular meninges and the like.

Since neurosurgery is mainly used for treating diseases of nervous systems such as brain, spinal cord and the like caused by trauma, such as life-threatening cerebral hemorrhage amount, brain trauma caused by car accidents, or operation treatment required by brain tumor compression, etc., neurosurgery is mainly performed on the head of a patient, and the head of the patient needs to be positioned in the operation process of the head so as to facilitate operation and treatment operation. The prior head positioning device for neurosurgery has the following inconveniences when in use:

1. When the existing positioning device for neurosurgery is connected with an operating table, more bolts are needed for installation, so that the disassembly and the installation are troublesome, labor is wasted, and operation time is wasted;

2. The existing positioning device is only used for fixing the head of a patient, and cannot be used for adjusting the height and the angle, so that when the head position of the patient needs to be adjusted, the position of the body of the patient needs to be adjusted, but the patient is in an anesthetic state and cannot adjust the head by itself, a plurality of assistants are needed to assist in adjustment, time and labor are wasted, and meanwhile the patient is possibly injured due to too hard force.

In view of the foregoing, there is a need for a positioning device for neurosurgery that overcomes the above-mentioned problems.

Disclosure of utility model

It is an object of the present utility model to provide a positioning device for neurosurgery that overcomes the above-mentioned problems.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a positioning device for neurosurgery, comprising:

The clamp is used for being detachably connected with the operating bed head, and a fastening bolt is arranged at the lower end of the clamp in a threaded manner;

The base is connected to one side, far away from the operating bed, of the clamp through a connecting plate;

The support rod is vertically arranged on the base in a sliding manner, and a sliding control assembly for controlling the support rod to slide up and down is arranged on the base;

The head support bracket is characterized in that a connecting rod is arranged at the lower end of the head support bracket, an installation seat is arranged at the upper end of the supporting rod, the connecting rod is rotatably arranged in a groove at the upper end of the installation seat through a first rotating shaft, and a rotation control assembly for controlling the first rotating shaft to rotate is arranged on the installation seat;

The head fixation clamp is symmetrically arranged on two sides of the head support, fixing plates are respectively arranged on two sides of the head support, a sliding groove parallel to the width direction of the head is formed in the upper surface of each fixing plate, a sliding block is arranged in each sliding groove, the upper ends of the sliding blocks are connected with the head fixation clamps through vertical rods, and driving assemblies for promoting the two sliding blocks to slide oppositely or reversely are arranged on the fixing plates.

The aim and the technical problems of the utility model can be further realized by adopting the following technical measures.

Further, a cavity is formed in the base and is communicated with a sliding hole for the supporting rod to slide;

The sliding control assembly comprises a second rotating shaft and a first gear, the second rotating shaft is arranged in the cavity in a rotating mode, the first gear penetrates through the outer wall of the second rotating shaft, teeth are uniformly arranged on the side wall, close to the first gear, of the supporting rod, the teeth are connected with the first gear in a meshed mode, and one end of the second rotating shaft penetrates out of the outer side wall of the base and is connected with the first knob.

Further, a limiting block is arranged at the lower end of the supporting rod.

Further, the rotation control assembly comprises a second gear penetrating through the outer wall of the first rotating shaft, a third rotating shaft which is rotatably arranged on one side of the first rotating shaft and is parallel to the first rotating shaft, and a third gear penetrating through the outer wall of the third rotating shaft and meshed with the second gear, and one end of the third rotating shaft penetrates out of the outer side wall of the mounting seat and is fixedly connected with the second knob.

Further, locking mechanisms are arranged between the first knob and the base and between the second knob and the mounting seat.

Further, the locking mechanism comprises a sleeve, a pull rod, a tooth block and a pull ring, wherein the sleeve is respectively fixed on the side walls of the first knob and the second knob, the pull rod is inserted in the sleeve in a sliding manner, the tooth block and the pull ring are respectively arranged at two ends of the pull rod, annular racks are respectively arranged on the side walls of the base and the mounting seat, the circle center of each annular rack coincides with the circle center of the first knob or the second knob, and the tooth block is meshed with each annular rack;

The sleeve is internally provided with a spring, the spring is sleeved on the outer wall of the pull rod, and two ends of the spring are respectively and fixedly connected with the inside of the sleeve and the tooth block.

Further, the two fixing plates penetrate into the head support bracket and are integrated;

The driving assembly comprises a screw rod which is rotatably arranged in the fixing plate, the two sliding blocks are connected to the outer wall of the screw rod through internal threads, any one end of the screw rod penetrates out of the outer side wall of the fixing plate and is fixedly connected with a third knob, and the directions of threads at the two ends of the screw rod are opposite.

Further, the upper end of the head support bracket and the opposite side walls of the head fixing clamp are respectively provided with a ventilation soft cushion.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the positioning device for neurosurgery, the clamp, the connecting plate, the base, the supporting rod, the mounting seat, the head supporting bracket and the head fixing clamp are arranged, the head supporting bracket can support the head of a patient, the head fixing clamp can be driven to move relatively through the rotary control assembly to clamp and fix the head of the patient, and the positioning device can be fixedly connected with the head of an operating table through the clamp, so that the positioning device is convenient to mount and dismount, not only is labor saved, but also the operation preparation time is saved; and the connection is stable and the safety is high.

2. According to the positioning device for neurosurgery, the supporting rod is vertically arranged on the base in a sliding mode, the supporting rod can be controlled to slide up and down through the sliding control assembly, the height of the head of a patient can be adjusted according to operation requirements after the head of the patient is fixed, the height adjustment is realized through the meshing of the gear and the rack, the micro adjustment of the height of the head of the patient can be realized, the accuracy of the operation height adjustment is improved, and meanwhile, the patient injury caused by excessive force can be avoided.

3. According to the positioning device for neurosurgery, the connecting rod is arranged at the lower end of the head support, the mounting seat is arranged at the upper end of the supporting rod, the connecting rod is rotatably arranged in the groove on the mounting seat through the first rotating shaft, and the first rotating shaft is controlled by the rotating control assembly to drive the head support and the head fixing clamp to rotate, so that the head of a patient can be adjusted in front-back angle, the adjustment is driven by meshing of gears, the micro-adjustment of the front-back angle can be realized, the accuracy of the adjustment of the operation angle is improved, the visual field in operation is optimal, and meanwhile, the injury of the patient caused by excessive force can be avoided.

4. According to the positioning device for neurosurgery, the locking mechanism is arranged, so that when the height and the angle of the head of a patient do not need to be adjusted, the sliding control assembly and the rotating control assembly can be locked, the knob in the sliding control assembly and the rotating control assembly is prevented from rotating randomly, the stability of the device is improved, and the safety of the patient in operation is ensured.

Drawings

FIG. 1 is a schematic view of the overall structure of a positioning device for neurosurgery provided by the utility model;

FIG. 2 is a schematic cross-sectional view of a positioning device for neurosurgery according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a locking mechanism according to an embodiment of the present utility model;

Reference numerals illustrate:

1. A clamp; 11. a fastening bolt;

2. a connecting plate;

3. A base; 31. a cavity; 32. a slide hole;

4. a support rod; 41. a limiting block;

5. A slide control assembly; 51. a second rotating shaft; 52. a first gear; 53. teeth; 54. a first knob;

6. a head support bracket; 61. a connecting rod; 62. breathable soft cushion;

7. A mounting base; 71. a groove; 72. a first rotating shaft; 73. a locking mechanism; 731. a sleeve; 732. a pull rod; 733. tooth blocks; 734. a pull ring; 735. an annular rack; 736. a spring;

8. A rotation control assembly; 81. a second gear; 82. a third rotating shaft; 83. a third gear; 84. a second knob;

9. A head fixation clamp; 91. a fixing plate; 92. a chute; 93. a slide block; 94. a vertical rod;

10. a drive assembly; 101. a screw rod; 102. and a third knob.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1 to 3, a positioning device for neurosurgery, comprising:

The clamp 1 is used for being detachably connected with the operating bed head, and a fastening bolt 11 is arranged at the lower end of the clamp 1 in a threaded manner; the clamping end of the clamp 1 is clamped at the bed head, the lower end of the bed board is tightly propped up by screwing the fastening bolt 11, the device can be fixedly connected with the bed head of an operating table, and the device is convenient to install and detach;

A base 3 connected to the side of the clamp 1 away from the operating table through a connecting plate 2;

The support rod 4 is vertically arranged on the base 3 in a sliding manner, and a sliding control assembly 5 for controlling the support rod 4 to slide up and down is arranged on the base 3; the sliding control assembly 5 can control the supporting rod 4 to slide up and down, and the height of the head of a patient can be adjusted according to the operation requirement after the head of the patient is fixed;

The lower end of the head support bracket 6 is provided with a connecting rod 61, the upper end of the support rod 4 is provided with a mounting seat 7, the connecting rod 61 is rotatably arranged in a groove 71 at the upper end of the mounting seat 7 through a first rotating shaft 72, and the mounting seat 7 is provided with a rotation control assembly 8 for controlling the rotation of the first rotating shaft 72; the first rotating shaft 72 is controlled by the rotating control assembly 8 to drive the head support bracket 6 to rotate, so that the front and back angle of the head of a patient can be adjusted according to the operation requirement.

The head fixation clamp 9, its symmetry is established the both sides that support 6 were held in the palm to the head, the both sides that support 6 were held in the palm to the head are equipped with fixed plate 91 respectively, the spout 92 parallel with head width direction has been seted up to the upper surface of fixed plate 91, be equipped with slider 93 in the spout 92, the upper end of slider 93 passes through montant 94 and connects head fixation clamp 9, be equipped with on the fixed plate 91 and be used for promoting two slider 93 opposite directions or the drive assembly 10 that slides away from each other. The driving assembly 10 can drive the two sliding blocks 93 to slide oppositely or reversely, so that the sliding blocks 93 drive the head fixing clamp 9 to clamp or unclamp the head of the patient.

Preferably, a cavity 31 is formed in the base 3, and the cavity 31 is communicated with a sliding hole 32 for sliding the support rod 4;

The sliding control assembly 5 comprises a second rotating shaft 51 rotatably arranged in the cavity 31 and a first gear 52 penetrating through the outer wall of the second rotating shaft 51, teeth 53 are uniformly arranged on the side wall, close to the first gear 52, of the supporting rod 4, the teeth 53 are in meshed connection with the first gear 52, and one end of the second rotating shaft 51 penetrates out of the outer side wall of the base 3 and is connected with a first knob 54.

In order to prevent the lower end of the supporting rod 4 from sliding out of the base 3, a limiting block 41 is arranged at the lower end of the supporting rod 4.

Preferably, the rotation control assembly 8 includes a second gear 81 penetrating through the outer wall of the first rotating shaft 72, a third rotating shaft 82 rotating on one side of the first rotating shaft 72 and parallel to the first rotating shaft, and a third gear 83 penetrating through the outer wall of the third rotating shaft 82 and meshed with the second gear 81, wherein one end of the third rotating shaft 82 penetrates through the outer side wall of the mounting seat 7 and is fixedly connected with a second knob 84.

Preferably, a locking mechanism 73 is provided between the first knob 54 and the base 3 and between the second knob 84 and the mounting seat 7. When the height and angle of the head of the patient do not need to be adjusted, the sliding control assembly 5 and the rotating control assembly 8 can be locked, the first knob 54 and the second knob 84 are prevented from rotating randomly, the stability of the device is improved, and the safety of the patient in operation is ensured.

Preferably, the locking mechanism 73 comprises a sleeve 731 fixed on the side walls of the first knob 54 and the second knob 84, a pull rod 732 inserted in the sleeve 731 in a sliding manner, and a tooth block 733 and a pull ring 734 respectively arranged at two ends of the pull rod 732, annular racks 735 are respectively arranged on the side walls of the base 3 and the mounting seat 7, the circle center of the annular racks 735 coincides with the circle center of the first knob 54 or the second knob 84, and the tooth blocks 733 are meshed with the annular racks 735;

The sleeve 731 is internally provided with a spring 736, the spring 736 is sleeved on the outer wall of the pull rod 732, and two ends of the spring 736 are respectively and fixedly connected with the inside of the sleeve 731 and the tooth block 733.

In this embodiment, when the first knob 54 or the second knob 84 is required to be rotated, one hand pulls the pull ring 734 outwards, at this time, the pull rod 732 moves outwards, so that the tooth block 733 is disengaged from the annular rack 735, the spring 736 is compressed, the other hand can rotate the first knob 54 or the second knob 84 until the head height or the angle of the patient meets the surgical requirement, then the rotation is stopped, at this time, the hand pulling the pull ring 734 can be released, and then the tooth block 733 is reset under the action of the elastic force of the spring 736, and is engaged with the annular rack 735 again to realize locking.

Preferably, both the fixing plates 91 penetrate into the inside of the head support bracket 6 and are integrated;

the driving assembly 10 comprises a screw rod 101 rotatably arranged in the fixing plate 91, the two sliding blocks 93 are connected to the outer wall of the screw rod 101 through internal threads, any end of the screw rod 101 penetrates out of the outer side wall of the fixing plate 91 and is fixedly connected with a third knob 102, and the directions of threads at two ends of the screw rod 101 are opposite.

In order to improve patient comfort, the upper end of the head support 6 and the opposite side walls of the head fixation clamp 9 are each provided with a breathable cushion 62.

The present utility model has been further described with reference to the examples, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims

1. A positioning device for neurosurgery, comprising:

The clamp (1) is used for being detachably connected with the operating bed head, and a fastening bolt (11) is arranged at the lower end of the clamp (1) in a threaded manner;

the base (3) is connected to one side, far away from the operating bed, of the clamp (1) through the connecting plate (2);

The support rod (4) is vertically arranged on the base (3) in a sliding manner, and a sliding control assembly (5) for controlling the support rod (4) to slide up and down is arranged on the base (3);

The head support bracket (6) is provided with a connecting rod (61) at the lower end, the upper end of the supporting rod (4) is provided with a mounting seat (7), the connecting rod (61) is rotatably arranged in a groove (71) at the upper end of the mounting seat (7) through a first rotating shaft (72), and the mounting seat (7) is provided with a rotation control assembly (8) for controlling the rotation of the first rotating shaft (72);

The head fixation clamp (9), its symmetry is established the both sides of head support holds in the palm (6), the both sides of head support holds in the palm (6) are equipped with fixed plate (91) respectively, spout (92) parallel with head width direction are seted up to the upper surface of fixed plate (91), be equipped with slider (93) in spout (92), the upper end of slider (93) is passed through montant (94) and is connected head fixation clamp (9), be equipped with on fixed plate (91) and be used for promoting two slider (93) are opposite to or are opposite to and leave gliding drive assembly (10).

2. A positioning device for neurosurgery according to claim 1, wherein:

A cavity (31) is formed in the base (3), and the cavity (31) is communicated with a sliding hole (32) for the supporting rod (4) to slide;

The sliding control assembly (5) comprises a second rotating shaft (51) arranged in the cavity (31) in a rotating mode and a first gear (52) penetrating through the outer wall of the second rotating shaft (51), teeth (53) are uniformly arranged on the side wall, close to the first gear (52), of the supporting rod (4), the teeth (53) are connected with the first gear (52) in a meshed mode, and one end of the second rotating shaft (51) penetrates out of the outer side wall of the base (3) and is connected with a first knob (54).

3. The positioning device for neurosurgery according to claim 1, wherein a limiting block (41) is arranged at the lower end of the supporting rod (4).

4. A positioning device for neurosurgery according to claim 2, wherein:

The rotary control assembly (8) comprises a second gear (81) penetrating through the outer wall of the first rotating shaft (72), a third rotating shaft (82) rotating on one side of the first rotating shaft (72) and parallel to the first rotating shaft, and a third gear (83) penetrating through the outer wall of the third rotating shaft (82) and meshed with the second gear (81), wherein one end of the third rotating shaft (82) penetrates out of the outer side wall of the mounting seat (7) and is fixedly connected with the second knob (84).

5. The positioning device for neurosurgery according to claim 4, wherein a locking mechanism (73) is provided between the first knob (54) and the base (3) and between the second knob (84) and the mounting base (7).

6. A positioning device for neurosurgery according to claim 5, wherein:

The locking mechanism (73) comprises a sleeve (731) fixed on the side wall of the first knob (54) and the side wall of the second knob (84), a pull rod (732) inserted in the sleeve (731) in a sliding manner, and a tooth block (733) and a pull ring (734) which are respectively arranged at two ends of the pull rod (732), annular racks (735) are respectively arranged on the side walls of the base (3) and the mounting seat (7), the circle center of each annular rack (735) coincides with the circle center of the first knob (54) or the second knob (84), and the tooth block (733) is meshed with each annular rack (735);

The sleeve (731) is internally provided with a spring (736), the spring (736) is sleeved on the outer wall of the pull rod (732), and two ends of the spring are fixedly connected with the inside of the sleeve (731) and the tooth block (733) respectively.

7. A positioning device for neurosurgery according to claim 1, wherein:

The two fixing plates (91) penetrate into the head support bracket (6) and are integrated;

The driving assembly (10) comprises a screw rod (101) which is rotatably arranged in the fixed plate (91), the two sliding blocks (93) are connected to the outer wall of the screw rod (101) through internal threads, any end of the screw rod (101) penetrates out of the outer side wall of the fixed plate (91) and is fixedly connected with a third knob (102), and the directions of threads at two ends of the screw rod (101) are opposite.

8. A positioning device for neurosurgery according to claim 1, wherein the upper end of the head support (6) and the opposite side walls of the head fixation clamp (9) are provided with breathable cushions (62).