CN210447094U

CN210447094U - Neurosurgery retractor

Info

Publication number: CN210447094U
Application number: CN201920415893.4U
Authority: CN
Inventors: 王刚; 赵文君; 侯博儒
Original assignee: Lanzhou University
Current assignee: Lanzhou University
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2020-05-05
Anticipated expiration: 2029-03-29

Abstract

The utility model discloses a neurosurgery retractor, which effectively solves the problems that the prior retractor needs manual adjustment, is not firm enough, needs frequent adjustment, wastes time and is inconvenient to use, and comprises a base, wherein a pillar is fixed in the middle of the top end of the base, a supporting seat is fixed at the top end of the pillar, an adjusting component is arranged at one side outside the supporting seat, a retracting component is arranged at the bottom end of the base near the position of the pillar, the adjusting component comprises a chute, a pulley, a guide rod, a threaded hole, a guide sleeve, a screw rod and a knob, the chute is arranged in the middle of the outer side of the supporting seat, the pulley is embedded in the chute, the guide rod is embedded in the middle of the outer side of the pulley, the utility model has novel structure and convenient use, the retractor and a pillow cushion used by a patient are combined together, the functionality is increased, and the device is firmer in the, the angle distance between the pusher dogs can be adjusted at will, and the adjustment is more convenient.

Description

Neurosurgery retractor

Technical Field

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

Background

The neurosurgery is a branch of the surgery, which is based on the surgery as the main treatment means, a unique neurosurgery research method is applied to research the human nervous system, such as the brain, the spinal cord and the peripheral nervous system, a retractor is often used in the neurosurgery operation, the retractor is also called a drag hook and is used for retracting tissues and exposing the operation field, so that the exploration and the operation are convenient, but the existing retractor needs manual adjustment, is not firm enough, needs frequent adjustment, wastes time and is inconvenient to use.

Therefore, how to design a neurosurgical retractor becomes a problem to be solved currently.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a neurosurgery retractor, the effectual current retractor that has solved needs manual regulation, and the retractor is firm inadequately, needs often to adjust, and the waste time to the problem of not convenient to use.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model comprises a base, a pillar is fixed in the middle of the top end of the base, a supporting seat is fixed on the top end of the pillar, an adjusting component is arranged on one side of the outside of the supporting seat, and a retraction component is arranged at the bottom end of the base near the pillar;

the adjusting component comprises a sliding groove, a pulley, a guide rod, a threaded hole, a guide sleeve, a screw rod and a knob, the sliding groove is formed in the middle of the outer side of the supporting seat, the pulley is embedded in the sliding groove, the guide rod is embedded in the middle of the outer side of the pulley, the threaded hole is formed in the middle of the inner side of the guide rod, the guide sleeve is sleeved on the outer side of the guide rod, the screw rod is installed at the top end.

Preferably, the subassembly of drawing back includes gasbag, main trachea, gas distribution pipe, gas receiver, rubber buffer, movable rod and pusher dog, and the base top is close to pillar position department and is fixed with the gasbag, and main trachea is installed to outside one side of gasbag, and the gas distribution pipe is installed to main trachea top, and the gas receiver has been inlayed on the guide pin bushing top, and the rubber buffer has been cup jointed to gas receiver inside, and the movable rod has been inlayed at the middle part in the rubber buffer outside, and the movable rod is kept away from rubber buffer one end and is fixed with the.

Preferably, a pillow is installed at the top end of the supporting seat, and a circular groove is formed in the pillow.

Preferably, the outer side of the gas distribution pipe is provided with two gas stopping clamps.

Preferably, the threaded hole is internally provided with threads, and the outer side of the knob is provided with anti-skid threads.

The utility model discloses novel structure, convenient to use combines used bolster of retractor and patient together, has increased its functionality to the device is more firm in the use, need not use the hand pulling out the in-process, and the angular distance between the pusher dog can be adjusted at will, and it is more convenient to adjust.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the knob mounting structure of the present invention;

FIG. 3 is a schematic view of the pulley mounting structure of the present invention;

reference numbers in the figures: 1. a base; 2. a pillar; 3. a rubber plug; 4. an adjustment assembly; 41. a chute; 42. a pulley; 43. a guide bar; 44. a threaded hole; 45. a guide sleeve; 46. a screw; 47. a knob; 5. a retraction assembly; 51. an air bag; 52. a main air pipe; 53. a gas distributing pipe; 54. an air cylinder; 55. a rubber plug; 56. a movable rod; 57. a pusher dog; 6. the trachea.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying fig. 1-3.

In the first embodiment, as shown in fig. 1, the utility model comprises a base 1, a pillar 2 is fixed in the middle of the top end of the base 1, a support seat 3 is fixed on the top end of the pillar 2, an adjusting component 4 is installed on one side of the outer part of the support seat 3 and can be adjusted according to the difference of the surgical site of a patient, and a retracting component 5 is installed at the bottom end of the base 1 near the pillar 2;

adjusting part 4 includes spout 41, pulley 42, guide arm 43, screw hole 44, guide pin bushing 45, screw rod 46 and knob 47, spout 41 has been seted up at supporting seat 3 outside middle part, the inside pulley 42 that has inlayed of spout 41, adjust the position of guide arm 43 through the inside motion of pulley 42 in spout 41, guide arm 43 has inlayed in the middle part of the pulley 42 outside, screw hole 44 has been seted up at the inboard middle part of guide arm 43, guide pin bushing 45 has been cup jointed in the guide arm 43 outside, screw rod 46 is installed on the inside top of guide pin bushing 45, screw rod 46 keeps away from guide pin bushing 45 one end and is fixed with knob 47, screw thread through between screw rod 46 and the screw hole 44.

Embodiment two, on the basis of embodiment one, as shown in fig. 3, the retracting assembly 5 includes an air bag 51, a main air pipe 52, a gas distribution pipe 53, an air cylinder 54, a rubber plug 55, a movable rod 56 and a pusher dog 57, the air bag 51 is fixed at a position close to the pillar 2 on the top end of the base 1, the main air pipe 52 is installed at one side outside the air bag 51, the gas distribution pipe 53 is installed at the top end of the main air pipe 52, the air cylinder 54 is embedded at the top end of the guide sleeve 45, the air is inflated into the air cylinder 54 by squeezing the air bag 51, so as to push the rubber plug 55 to move, the rubber plug 55 is sleeved inside the air cylinder 54, the movable rod 56 is embedded in the middle outside of the rubber plug 55, the pusher dog 57 is fixed at one.

In the third embodiment, on the basis of the first embodiment, the pillow 6 is installed at the top end of the supporting seat 3, the head of the patient is placed above the pillow 6, and a circular groove is formed in the pillow 6.

In the fourth embodiment, on the basis of the second embodiment, the air-stop clips are mounted on the outer sides of the air distribution pipes 53, when the air-stop clips are closed, the shifting claws 57 are kept at the current positions, and the number of the air-stop clips is two.

In the fifth embodiment, on the basis of the first embodiment, the screw thread is formed inside the screw hole 44, and the anti-slip threads are formed outside the knob 47, so that the device is convenient to use.

When the utility model is used, firstly, the device is moved to the front of a sickbed, a patient is rested on the pillow 6, the operation position is upward, then the guide rod 43 is moved through the pulley 42, two pusher dogs 57 are positioned at two sides of the operation position, the knob 47 is rotated, when the knob 47 is rotated clockwise, the screw rod 46 moves upwards along the screw thread arranged in the guide rod 43, thereby the guide sleeve 45 is driven to move upwards to adjust the position of the pusher dog 57, the pusher dog 57 is positioned above the head of the patient, then a doctor lightly steps on the air bag 51, the air in the air bag 51 enters the air distributing pipe 53 along the main air pipe 52, then enters the air storing cylinder 54 through the air distributing pipe 53, along with the reduction of the air in the air bag 51, the air in the air storing cylinder 54 is increased, thereby the rubber plug 55 is pushed to move, when the pusher dog 57 is positioned at the operation position, the compression of the air bag 51 is stopped, then the pusher dog 57 is, slowly loosen the air bag 51, the air in the air storage cylinder 54 flows back to the air bag 51, and under the action of the internal and external air pressure, the rubber plug 55 drives the movable rod 56 and the pusher dog 57 to move back, so that the tissue of the patient is pushed away, when the operation position is pushed away to a proper position, the air stopping clamp is closed, and the doctor can loosen the foot to perform the operation.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A retractor for neurosurgery comprises a base (1), and is characterized in that a strut (2) is fixed in the middle of the top end of the base (1), a supporting seat (3) is fixed at the top end of the strut (2), an adjusting component (4) is installed on one side of the outer portion of the supporting seat (3), and a retracting component (5) is installed at the position, close to the strut (2), of the bottom end of the base (1);

adjusting part (4) include spout (41), pulley (42), guide arm (43), screw hole (44), guide pin bushing (45), screw rod (46) and knob (47), spout (41) have been seted up at supporting seat (3) outside middle part, inside pulley (42) that has inlayed of spout (41), guide arm (43) have inlayed in pulley (42) outside middle part, screw hole (44) have been seted up at guide arm (43) inboard middle part, guide pin bushing (45) have been cup jointed in guide arm (43) outside, screw rod (46) are installed on guide pin bushing (45) inside top, guide pin bushing (45) one end is fixed with knob (47) is kept away from in screw rod (46).

2. The neurosurgical retractor according to claim 1, wherein the retracting assembly (5) comprises an air bag (51), a main air pipe (52), an air distribution pipe (53), an air storage cylinder (54), a rubber plug (55), a movable rod (56) and a shifting claw (57), the air bag (51) is fixed at a position, close to the strut (2), of the top end of the base (1), the main air pipe (52) is installed on one side of the outer portion of the air bag (51), the air distribution pipe (53) is installed on the top end of the main air pipe (52), the air storage cylinder (54) is embedded in the top end of the guide sleeve (45), the rubber plug (55) is sleeved inside the air storage cylinder (54), the movable rod (56) is embedded in the middle of the outer side of the rubber plug (55), and the shifting claw (57) is fixed at one end.

3. The neurosurgical retractor according to claim 1, wherein a pillow (6) is mounted at the top end of the supporting seat (3), and a circular groove is formed inside the pillow (6).

4. A neurosurgical retractor according to claim 2, wherein the outer side of the gas distribution tube (53) is provided with two gas stop clips.

5. A neurosurgical retractor according to claim 1, wherein the threaded bore (44) is internally threaded and the knob (47) is externally threaded with anti-slip threads.