CN216570056U

CN216570056U - Retractor fixer for neurosurgery

Info

Publication number: CN216570056U
Application number: CN202122857840.8U
Authority: CN
Inventors: 麦麦提力·米吉提; 阿西木江·阿西尔
Original assignee: First Affiliated Hospital of Xinjiang Medical University
Current assignee: First Affiliated Hospital of Xinjiang Medical University
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-05-24
Anticipated expiration: 2031-11-22

Abstract

The utility model discloses a retractor fixer for neurosurgery, which comprises a clamping seat, wherein the bottom end of the clamping seat is fixedly connected with a storage battery, the inner side of the clamping seat is spirally connected with a first locking screw, the top end of the clamping seat is fixedly connected with a supporting mechanism, one end of the supporting mechanism is fixedly connected with a fixing ring, the inner side of the fixing ring is provided with an adjusting mechanism, the inner side of the adjusting mechanism is provided with a drag hook, through the arrangement of the fixed block, the connecting shaft, the second locking screw, the clamping groove, the supporting seat, the connecting column, the clamping head, the second spring and the limiting plate, the position of the draw hook can be adjusted under the interaction of the connecting shaft and the clamping head, so that the draw hook can draw open a deep wound, thereby facilitating the medical staff to treat the wound, meanwhile, the fixed blocks can limit and fix the circular or square draw hook, and the applicability of the fixed blocks is improved.

Description

Retractor fixer for neurosurgery

Technical Field

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

Background

Neurosurgery (neurosurgey) is a branch of surgery, and is a research method of Neurosurgery, which is based on surgery as a main treatment means, and is used for researching the injury, inflammation, tumor, deformity and certain genetic metabolic disorders or dysfunction diseases of human nervous systems, such as brain, spinal cord and peripheral nervous system, and related auxiliary mechanisms, such as skull, scalp, cerebral meninges and other structures, by applying a unique neurosurgical research method, such as: the etiology and pathogenesis of epilepsy, Parkinson's disease, neuralgia and other diseases, and the high, smart and sharp disciplines of new diagnosis, treatment and prevention technologies are explored, a device which is convenient for operation and widens the operation visual field through the help of a draw hook is needed in neurosurgery treatment, and the draw hook is needed to be fixed at the operation position of a patient through a fixer when in use.

The drag hook fixer that uses at present can only adjust the position of drag hook in the horizontal direction, can not adjust the position of the vertical direction of drag hook, because patient's operation position, the wound degree of depth is different, only can not make the drag hook deep to the depths of wound through the horizontal position of adjusting the drag hook, the use of operation can not be satisfied, general fixer can only be fixed to the drag hook of a shape simultaneously, general fixer all is the wound of directly placing at the patient simultaneously, the fixer can lead to the fact the extrusion to the wound, medical staff is careless also presses the fixer easily simultaneously, cause the secondary injury to the patient, and touch the fixer at the operation in-process, also can make fixer and wound take place the skew, thereby influence the normal clear of operation, for this, we propose a neurosurgery drag hook fixer.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a retractor fixer for neurosurgery, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a neurosurgery drag hook fixer, includes the cassette, the bottom fixedly connected with battery of cassette, the inboard spiral connection of cassette has first locking screw, the top fixedly connected with supporting mechanism of cassette, the solid fixed ring of one end fixedly connected with of supporting mechanism, gu fixed ring's inboard is provided with adjustment mechanism, adjustment mechanism's inboard is provided with the drag hook.

Further, adjustment mechanism includes and rotates the connecting axle of being connected with solid fixed ring, the other end fixedly connected with fixed block of connecting axle, and the drag hook runs through the fixed block, the inboard screwed connection of fixed block has the dead screw of second lock, and the laminating of the dead screw of second lock and drag hook, the draw-in groove has been seted up to the inboard all around of connecting axle, one side of connecting axle is provided with carries out spacing subassembly to the connecting axle position.

Further, spacing subassembly include with solid fixed ring fixed connection's supporting seat, the inboard sliding connection of supporting seat has the spliced pole, the dop of the mutual block of draw-in groove and connecting axle is passed through to the top fixedly connected with of spliced pole, the bottom fixedly connected with limiting plate of spliced pole, the top fixedly connected with second spring of limiting plate, and the other end and the supporting seat fixed connection of second spring.

Furthermore, the inner side of the fixing block is provided with a circular through hole and a square through groove, and the circular through hole and the square through groove are mutually embedded together.

Further, the supporting mechanism includes the set casing with cassette fixed connection, the inboard sliding connection of set casing has the pinion rack, the top fixedly connected with connecting plate of pinion rack, and connecting plate and solid fixed ring fixed connection, one side fixedly connected with button of connecting plate, the inboard of set casing is provided with carries out the fixed subassembly fixed to the pinion rack position.

Further, the fixed subassembly includes the first electro-magnet with set casing fixed connection, the opposite side of first electro-magnet is provided with the second electro-magnet, the opposite side fixedly connected with of second electro-magnet and the fixture block of pinion rack looks block, the one end fixedly connected with of fixture block is the first spring of symmetry setting about fixture block horizontal center line, and the other end and the set casing fixed connection of first spring.

Furthermore, the first electromagnet and the second electromagnet are different in magnetism when being electrified, and the first spring is in an extended state in a natural state.

The utility model has the following beneficial effects:

compared with the prior art, through the fixed block that is equipped with, connecting axle, the dead screw of second lock, draw-in groove, supporting seat, spliced pole, dop, second spring and limiting plate, can adjust the position of drag hook under the interact of connecting axle and dop, make the drag hook can pull open the wound of depths, the medical staff of being convenient for handles the wound, can be fixed the spacing of realizing circular or square drag hook through the fixed block that sets up simultaneously, increased the suitability of fixed block.

Compared with the prior art, through the connecting plate that is equipped with, the button, the pinion rack, the set casing, first electro-magnet, first spring, the second electro-magnet, the fixture block, support to solid fixed ring through the connecting plate, can guarantee that solid fixed ring can not extrude patient's wound, and when medical staff pressed solid fixed ring, gu fixed ring also can not produce decurrent pressure to the patient, prevent to cause secondary damage to the patient, and touch solid fixed ring at the operation in-process, gu fixed ring and drag hook also can not take place the skew with the wound, thereby guarantee the normal clear of operation, and at first electro-magnet, first spring, alone under the interact of second electro-magnet with just can realize the position to the regulation connecting plate with one side, make things convenient for medical staff's use.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the technical description of the present invention will be briefly introduced below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

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

FIG. 2 is a schematic view of the enlarged mounting structure of the retractor of the present invention;

FIG. 3 is an enlarged view of the mounting structure of the connecting shaft of the present invention;

FIG. 4 is a schematic view of the structure of FIG. 3 at A according to the present invention;

fig. 5 is a schematic view of an internal mounting structure of the set cover according to the present invention.

In the figure: 1. a fixing ring; 2. pulling a hook; 3. a storage battery; 4. a card holder; 5. a first deadlocking screw; 6. A support mechanism; 601. a connecting plate; 602. a button; 603. a toothed plate; 604. a stationary case; 605. a first electromagnet; 606. a first spring; 607. a second electromagnet; 608. a clamping block; 7. an adjustment mechanism; 701. a fixed block; 702. a connecting shaft; 703. a second deadlocking screw; 704. a card slot; 705. a supporting seat; 706. Connecting columns; 707. clamping a head; 708. a second spring; 709. and a limiting plate.

Detailed Description

The present invention will be further described with reference to the following detailed description, wherein the drawings are for illustrative purposes only and are not intended to be limiting, wherein certain elements may be omitted, enlarged or reduced in size, and are not intended to represent the actual dimensions of the product, so as to better illustrate the detailed description of the utility model.

Example 1

As shown in fig. 1-4, a neurosurgery drag hook fixer, including cassette 4, the bottom fixedly connected with battery 3 of cassette 4, the inboard screwed connection of cassette 4 has first locking screw 5, can the top fixedly connected with supporting mechanism 6 of cassette 4, the solid fixed ring 1 of one end fixedly connected with of supporting mechanism 6, the inboard of solid fixed ring 1 is provided with adjustment mechanism 7, the inboard of adjustment mechanism 7 is provided with the drag hook 2, can realize spacing fixedly to supporting mechanism 6 through mutually supporting at first locking screw 5 and cassette 4 and sick bed border.

Specifically, adjustment mechanism 7 includes and rotates the connecting axle 702 of being connected with solid fixed ring 1, the other end fixedly connected with fixed block 701 of connecting axle 702, and drag hook 2 runs through fixed block 701, the inboard screwed connection of fixed block 701 has second dead lock screw 703, and second dead lock screw 703 and the laminating of drag hook 2, can realize the spacing fixed to drag hook 2 through the frictional force between second dead lock screw 703 and the drag hook 2, guarantee the stability of drag hook 2 during operation, draw-in groove 704 has been seted up to the inboard all around of connecting axle 702, one side of connecting axle 702 is provided with carries out spacing subassembly to connecting axle 702 position.

Specifically, spacing subassembly includes the supporting seat 705 with solid fixed ring 1 fixed connection, the inboard sliding connection of supporting seat 705 has spliced pole 706, the dop 707 of the top fixedly connected with of spliced pole 706 through draw-in groove 704 and the mutual block of connecting axle 702, the bottom fixedly connected with limiting plate 709 of spliced pole 706, the top fixedly connected with second spring 708 of limiting plate 709, and the other end and the supporting seat 705 fixed connection of second spring 708, can make dop 707 and the tight block of connecting axle 702 be in the same place with the effect of second spring 708, thereby guarantee that connecting axle 702 and fixed block 701 can not appear pivoted phenomenon in a certain position.

Specifically, circular through-hole and square through groove have been seted up to the inboard of fixed block 701, and circular through-hole and square through groove are each other the gomphosis together, can realize having increased the suitability of fixed block 701 to circular or square drag hook 2 spacing fixed to be convenient for satisfy medical staff's different user demands.

The working process is as follows: when the utility model is used, the fixing ring 1 is firstly placed at the wound, then the drag hook 2 penetrates through the inner side of the fixing block 701, and the needed wound of a patient is hooked by the drag hook 2, then the draw hook 2 is adjusted to a proper position, the draw hook 2 pulls the wound open, and simultaneously the second locking screw 703 is rotated, so that the second locking screw 703 is tightly attached to the draw hook 2, thereby realizing the limit fixation of the draw hook 2, when a deep wound needs to be opened, the fixing block 701 drives the connecting shaft 702 to rotate to a proper position on the inner side of the fixing ring 1, and simultaneously the fixing block 701 drives the draw hook 2 to rotate to a proper position, then the wound in the deep position is pulled open through the draw hook 2, and meanwhile, the second spring 708 is clamped with the connecting shaft 702 through the connecting column 706 and the clamping head 707 through the clamping groove 704, so that the limiting and fixing of the connecting shaft 702, the fixing block 701 and the draw hook 2 are realized.

Example 2

As shown in fig. 1, fig. 2 and fig. 5, a neurosurgery drag hook fixer, including cassette 4, the bottom fixedly connected with battery 3 of cassette 4, the inboard screwed connection of cassette 4 has first locking screw 5, top fixedly connected with supporting mechanism 6 that can cassette 4, the solid fixed ring 1 of one end fixedly connected with of supporting mechanism 6, the inboard of solid fixed ring 1 is provided with adjustment mechanism 7, adjustment mechanism 7's inboard is provided with drag hook 2, can realize spacing fixedly to supporting mechanism 6 through mutually supporting at first locking screw 5 and cassette 4 and sick bed border.

Specifically, the supporting mechanism includes the set casing 604 with cassette 4 fixed connection, the inboard sliding connection of set casing 604 has pinion rack 603, the top fixedly connected with connecting plate 601 of pinion rack 603, and connecting plate 601 and fixed ring 1 fixed connection, can realize the regulation to fixed ring 1 vertical direction position through pinion rack 603 and connecting plate 601, one side fixedly connected with button 602 of connecting plate 601, the inboard of set casing 604 is provided with carries out the fixed subassembly fixed to pinion rack 603 position.

Specifically, the fixing assembly comprises a first electromagnet 605 fixedly connected with the fixing shell 604, a second electromagnet 607 is arranged on the other side of the first electromagnet 605, a clamping block 608 clamped with the toothed plate 603 is fixedly connected to the other side of the second electromagnet 607, the toothed plate 603 can be limited and fixed through the clamping block 608, the stability of the toothed plate 603 in operation is ensured, one end of the clamping block 608 is fixedly connected with a first spring 606 symmetrically arranged with respect to the horizontal center line of the clamping block 608, and the other end of the first spring 606 is fixedly connected with the fixing shell 604.

Specifically, the first electromagnet 605 and the second electromagnet 607 are different in magnetism when energized, the first spring 606 is in a stretched state in a natural state, and the position of the latch 608 can be adjusted by the mutual cooperation of the first electromagnet 605, the second electromagnet 607, and the first spring 606.

The working process is as follows: when the utility model is used, the storage battery 3 supplies power, the card holder 4 is firstly clamped at the edge of a sickbed, then the first locking screw 5 is rotated, the first locking screw 5 realizes the limit and the fixation between the edge of the sickbed and the card holder 4, meanwhile, the card holder 4 can fix the fixing ring 1 above a patient through the supporting mechanism 6 and the adjusting mechanism 7, simultaneously, the sleeping posture of the patient is adjusted, so that a wound is positioned at the lower side of the fixing ring 1, then the east button 602 is arranged, the button 602 controls the first electromagnet 605 and the second electromagnet 607 to be electrified, so that the first electromagnet 6 magnetically attracts the second electromagnet 607 in the direction close to the self, meanwhile, the second electromagnet 607 can also extrude the first spring 606, and the second electromagnet 607 can also drive the clamping block 608 to be separated from the toothed plate 603, then medical staff drives the toothed plate 603 and the fixing ring 1 to move in the direction close to the patient through the connecting plate 601, until solid fixed ring 1 and patient's laminating, at this moment through first electro-magnet 605 of button 602 control and the outage of second electro-magnet 607, make fixture block 608 and pinion rack 603 block under the spring action of first spring 606 this moment, and then realize the spacing fixed to pinion rack 603, pinion rack 603 realizes the spacing fixed to solid fixed ring 1 through connecting plate 601 simultaneously, support to solid fixed ring 1 through connecting plate 601, can guarantee that solid fixed ring 1 can not extrude patient's wound, and when medical staff pressed solid fixed ring 1, gu fixed ring 1 also can not produce decurrent pressure to the patient, prevent to cause secondary damage to the patient, and touch solid fixed ring 1 at the operation in-process, also can make solid fixed ring 1 and drag hook 2 also can not take place the skew with the wound, thereby guarantee the normal clear of operation.

Example 3

As shown in fig. 1-5, a neurosurgery drag hook fixer, including cassette 4, the bottom fixedly connected with battery 3 of cassette 4, the inboard screwed connection of cassette 4 has first locking screw 5, can the top fixedly connected with supporting mechanism 6 of cassette 4, the solid fixed ring 1 of one end fixedly connected with of supporting mechanism 6, the inboard of solid fixed ring 1 is provided with adjustment mechanism 7, the inboard of adjustment mechanism 7 is provided with the drag hook 2, can realize spacing fixedly to supporting mechanism 6 through mutually supporting at first locking screw 5 and cassette 4 and sick bed border.

The working process is as follows: when the utility model is used, the storage battery 3 supplies power, the clamping seat 4 is clamped at the edge of a sickbed, then the first locking screw 5 is rotated, the limiting fixation between the edge of the sickbed and the clamping seat 4 is realized through the first locking screw 5, meanwhile, the clamping seat 4 can fix the fixing ring 1 above a patient through the supporting mechanism 6 and the adjusting mechanism 7, simultaneously, the sleeping posture of the patient is adjusted, so that a wound is positioned at the lower side of the fixing ring 1, then the east button 602 is arranged, the button 602 controls the first electromagnet 605 and the second electromagnet 607 to be electrified, so that the first electromagnet 6 magnetically attracts the second electromagnet 607 in the direction close to the first electromagnet, simultaneously, the second electromagnet 607 extrudes the first spring 606, and the second electromagnet 607 can also drive the clamping block 608 to be separated from the toothed plate 603, then medical staff drives the toothed plate 603 and the fixing ring 1 to move in the direction close to the patient through the connecting plate 601, until the fixing ring 1 is attached to a patient, the first electromagnet 605 and the second electromagnet 607 are controlled to be powered off by the button 602, the clamping block 608 is clamped with the toothed plate 603 under the action of the elastic force of the first spring 606, so that the toothed plate 603 is limited and fixed, meanwhile, the toothed plate 603 is limited and fixed to the fixing ring 1 by the connecting plate 601, then, the draw hook 2 penetrates through the inner side of the fixing block 701, the required wound of the patient is hooked by the draw hook 2, then, the draw hook 2 is adjusted to a proper position, the wound is pulled open by the draw hook 2, meanwhile, the second locking screw 703 is rotated, the second locking screw 703 is tightly attached to the draw hook 2, the limiting and fixing of the draw hook 2 is realized, when the wound in the depth needs to be opened, the fixing block 701 drives the connecting shaft 702 to rotate to a proper position on the inner side of the fixing ring 1, and simultaneously, the fixing block 701 can drive the draw hook 2 to rotate to a proper position, then pull open the wound of depths through drag hook 2, second spring 708 passes through spliced pole 706 and dop 707 and passes through draw-in groove 704 and connecting axle 702 joint together simultaneously, the realization is to connecting axle 702, fixed block 701 and drag hook 2 spacing fixed, support to solid fixed ring 1 through connecting plate 601, can guarantee that solid fixed ring 1 can not extrude patient's wound, and medical staff presses solid fixed ring 1 time, gu fixed ring 1 also can not produce decurrent pressure to the patient, prevent to cause secondary damage to the patient, and touch solid fixed ring 1 at the operation in-process, also can make solid fixed ring 1 and drag hook 2 also can not take place the skew with the wound, thereby guarantee the normal clear of operation.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a neurosurgery drag hook fixer, includes cassette (4), its characterized in that: the bottom end of the clamping seat (4) is fixedly connected with a storage battery (3), the inner side of the clamping seat (4) is spirally connected with a first locking screw (5), the top end of the clamping seat (4) is fixedly connected with a supporting mechanism (6), one end of the supporting mechanism (6) is fixedly connected with a fixing ring (1), the inner side of the fixing ring (1) is provided with an adjusting mechanism (7), the inner side of the adjusting mechanism (7) is provided with a drag hook (2), the adjusting mechanism (7) comprises a connecting shaft (702) rotatably connected with the fixing ring (1), the other end of the connecting shaft (702) is fixedly connected with a fixing block (701), the drag hook (2) penetrates through the fixing block (701), the inner side of the fixing block (701) is spirally connected with a second locking screw (703), the second locking screw (703) is attached to the drag hook (2), and the inner side of the periphery of the connecting shaft (702) is provided with a clamping groove (704), and a limiting component for limiting the position of the connecting shaft (702) is arranged on one side of the connecting shaft (702).

2. A retractor holder according to claim 1 wherein: spacing subassembly includes supporting seat (705) with solid fixed ring (1) fixed connection, the inboard sliding connection of supporting seat (705) has spliced pole (706), the top fixedly connected with of spliced pole (706) passes through dop (707) of draw-in groove (704) and connecting axle (702) mutual block, the bottom fixedly connected with limiting plate (709) of spliced pole (706), the top fixedly connected with second spring (708) of limiting plate (709), and the other end and supporting seat (705) fixed connection of second spring (708).

3. A retractor holder according to claim 1 wherein: the inner side of the fixing block (701) is provided with a circular through hole and a square through groove, and the circular through hole and the square through groove are mutually embedded together.

4. A retractor holder according to claim 1 wherein: the supporting mechanism comprises a fixing shell (604) fixedly connected with a clamping seat (4), the inner side of the fixing shell (604) is connected with a toothed plate (603) in a sliding mode, the top end of the toothed plate (603) is fixedly connected with a connecting plate (601), the connecting plate (601) is fixedly connected with a fixing ring (1), one side of the connecting plate (601) is fixedly connected with a button (602), and the inner side of the fixing shell (604) is provided with a fixing component for fixing the position of the toothed plate (603).

5. A retractor holder as claimed in claim 4 wherein: the fixing assembly comprises a first electromagnet (605) fixedly connected with the fixing shell (604), a second electromagnet (607) is arranged on the other side of the first electromagnet (605), a clamping block (608) clamped with the toothed plate (603) is fixedly connected to the other side of the second electromagnet (607), one end of the clamping block (608) is fixedly connected with first springs (606) symmetrically arranged relative to the horizontal center line of the clamping block (608), and the other end of the first spring (606) is fixedly connected with the fixing shell (604).

6. A retractor holder as claimed in claim 5 wherein: the first electromagnet (605) and the second electromagnet (607) are different in magnetism when energized, and the first spring (606) is in a stretched state in a natural state.