CN217138564U - Retractor fixer for neurosurgery - Google Patents

Abstract

The utility model discloses a neurosurgery drag hook fixer belongs to medical instrument technical field, has solved the problem that the position of drag hook can not be adjusted, and it includes the operation bed board, be provided with the arc frame on the operation bed board, the both ends of arc frame run through there is first clamping screw, the lateral wall threaded connection of first clamping screw and operation bed board, be provided with positioner on the arc frame, the last drag hook that is provided with of positioner, set up the logical groove that supplies positioner along arc frame surface to remove on the arc frame. Can adjust the position of drag hook according to the demand, make the drag hook can carry out pulling of health tissue on a plurality of positions, be suitable for different operation positions, greatly increased drag hook fixing device's practicality.

Description

Retractor fixer for neurosurgery

Technical Field

The utility model belongs to the technical field of medical instrument, specifically belong to a neurosurgery drag hook fixer.

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 explores a high, precise and advanced discipline of new diagnosis, treatment and prevention technology. Is mainly used for treating diseases of nervous systems of brain, spinal cord and the like caused by trauma, such as life threatening due to cerebral hemorrhage and bleeding amount, brain trauma caused by car accidents, or operation treatment required by brain tumor compression.

Often need use the drag hook to pull open the body tissue around the operation position at neurosurgery to let the doctor field of vision more clear in the operation, but the drag hook needs the special messenger to come the tractive fixed all the time at the in-process that uses, and it is very troublesome to operate, has still increased very big work degree of difficulty for medical staff simultaneously. The prior art has a fixing device for fixing the draw hook, but the draw hook can only be kept at the same fixed position, the position of the draw hook can not be adjusted, and the application range is greatly reduced.

SUMMERY OF THE UTILITY MODEL

The problem that the position of drag hook can not be adjusted among the prior art, the utility model provides a neurosurgery drag hook fixer, its aim at: can adjust the position of drag hook according to the demand, make the drag hook can carry out pulling of health tissue on a plurality of positions, be suitable for different operation positions, greatly increased drag hook fixing device's practicality.

The utility model adopts the technical scheme as follows:

the utility model provides a neurosurgery drag hook fixer, includes the operation bed board, be provided with the arc frame on the operation bed board, the arc frame spanes the narrow limit of operation bed board, first clamping screw has been run through at the both ends of arc frame, the lateral wall threaded connection of first clamping screw and operation bed board, be provided with positioner on the arc frame, the last drag hook that is provided with of positioner, set up the logical groove that supplies positioner to follow arc frame surface to remove on the arc frame.

Adopt above-mentioned scheme, the arc frame is connected in operation bed board's both sides through first clamping screw, the arc frame can rotate and can restrict the rotation of arc frame through first clamping screw around first clamping screw, the arc frame can drive positioner after rotating and carry out the regulation of position on the longitudinal direction, it leads to the groove and can make positioner carry out the regulation of position on the transverse direction to set up on the arc frame, thereby the position of drag hook is adjusted to positioner's vertical and transverse position regulation back, make the drag hook can carry out the operation of dragging of health tissue on a plurality of positions, greatly increased device's application scope.

Preferably, positioner includes first splint and the second splint that carry out the centre gripping to the arc frame, the drag hook runs through first splint and second splint, be provided with second clamping screw on the first splint, second clamping screw runs through first splint and second splint threaded connection has the nut, be provided with the fixing device who is used for fixed drag hook on the first splint.

Adopt above-mentioned scheme, first splint and the cooperation of second splint carry out the centre gripping to the arc frame to carry out positioner's fixing through second clamping screw cooperation nut, guarantee the rigidity behind the positioner lateral shifting, set up the position that fixing device is used for fixed drag hook on the positioner, can guarantee the stability when the drag hook is dragged.

Preferably, the second fixing screw and the nut are provided with two sets and are respectively positioned on two sides of the arc-shaped frame.

By adopting the scheme, the second fixing screw and the nut are provided with two sets, so that the fixing effect can be ensured, and the phenomenon that the positioning device moves to influence the operation of the operation is avoided.

Preferably, fixing device establishes on the drag hook and with first splint upper surface connection's solid fixed ring including the activity cover, be provided with the arc clamp plate with the drag hook contact in the solid fixed ring, gu fixed ring's outside threaded connection has third clamping screw, third clamping screw passes solid fixed ring and is connected with the rotation of arc clamp plate.

By adopting the scheme, the arc-shaped pressing plate is in close contact with the draw hook by rotating the third fixing screw rod, so that the position of the draw hook is fixed, and the stability of the draw hook during pulling is ensured.

Preferably, the arc-shaped frames are provided with two groups.

Adopt above-mentioned scheme, the arc frame is provided with two sets ofly, is provided with a drag hook on a set of arc frame, can carry out not equidirectional pulling to the health tissue through two drag hooks, guarantees the clarity of operation field of vision.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the arc frame is connected in the both sides of operation bed board through first clamping screw, the arc frame can rotate and can restrict the rotation of arc frame through first clamping screw around first clamping screw, the arc frame can drive positioner after rotating and carry out the regulation of position on longitudinal direction, set up logical groove and can make positioner carry out the regulation of position on the transverse direction on the arc frame, thereby positioner's vertical and transverse position adjusts the position of back regulation drag hook, make the drag hook can carry out the operation of dragging of health tissue on a plurality of positions, greatly increased device's application scope.

2. First splint and the cooperation of second splint carry out the centre gripping to the arc frame to carry out positioner's fixed through second clamping screw cooperation nut, guarantee the rigidity after positioner lateral shifting, set up the position that fixing device is used for fixed drag hook on the positioner, can guarantee the stability when the drag hook is dragged.

3. The second fixing screw and the nut are provided with two sets, so that the fixing effect can be ensured, and the phenomenon that the positioning device moves to influence the operation of the operation is avoided.

4. Through rotating third clamping screw, make arc clamp plate and drag hook in close contact with, realize the rigidity of drag hook, guaranteed the stability when the drag hook is dragged.

5. The arc frame is provided with two sets ofly, is provided with a drag hook on a set of arc frame, can carry out not equidirectional pulling to the health tissue through two drag hooks, guarantees the clarity of operation field of vision.

Drawings

The invention will now be described, by way of example, with reference to the accompanying drawings, in which:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the positioning device in fig. 1.

Fig. 3 is a top view of the retaining ring and associated components of fig. 1.

Description of the drawings: 1-surgical bed plate; 2-a first fixed screw; 3-an arc-shaped frame; 4-through groove; 5, pulling a hook; 6-a positioning device; 7-a first splint; 8-a second fixing screw; 9-a third fixing screw; 10-arc-shaped pressing plate; 11-a fixed ring; 12-a nut; 13-second splint.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

The present invention will be described in detail with reference to fig. 1 to 3.

The first embodiment is as follows:

the utility model provides a neurosurgery drag hook fixer, includes operation bed board 1, be provided with arc frame 3 on the operation bed board 1, arc frame 3 spanes the narrow limit of operation bed board 1, first clamping screw 2 has been run through at the both ends of arc frame 3, the lateral wall threaded connection of first clamping screw 2 and operation bed board 1, be provided with positioner 6 on the arc frame 3, be provided with drag hook 5 on positioner 6, set up on the arc frame 3 and supply positioner 6 to follow the logical groove 4 of 3 surperficial removals of arc frame.

Positioner 6 includes first splint 7 and the second splint 13 that carry out the centre gripping to arc frame 3, first splint 7 and second splint 13 are run through to drag hook 5, be provided with second clamping screw 8 on the first splint 7, second clamping screw 8 runs through first splint 7 and second splint 13 threaded connection has nut 12, be provided with the fixing device who is used for fixed drag hook 5 on the first splint 7.

The second fixing screw 8 and the nut 12 are provided with two sets and are respectively positioned at two sides of the arc-shaped frame 3.

Fixing device establishes on drag hook 5 and with first splint 7 upper surface connection's solid fixed ring 11 including the activity cover, be provided with the arc clamp plate 10 with drag hook 5 contact in the solid fixed ring 11, gu fixed ring 11's outside threaded connection has third clamping screw 9, third clamping screw 9 passes solid fixed ring 11 and is connected with arc clamp plate 10 rotation.

The arc frame 3 is provided with two groups.

In the first embodiment, the patient is arranged on the surgical bed plate 1, after the preparation before the operation is completed, the draw hook 5 is inserted from the lower part of the second splint 13 and penetrates out of the fixing ring 11, and the third fixing screw 9 is screwed, so that the arc-shaped pressing plate 10 moves to be tightly attached to the surface of the draw hook 5, and the fixing of the draw hook 5 is realized. After the installation is finished after the pull-back 5, the arc-shaped frame 3 is installed on the operation bed board 1: the first fixing screw rods 2 at the two ends of the arc-shaped frame 3 are aligned with the threaded holes at the two sides of the operating bed plate 1 and connected. Rotating the arc-shaped frame 3 according to the position of the operation part to adjust the position of the rotating arc-shaped frame 3; after the arc-shaped frame is adjusted to a proper position, the first fixing screw rod 2 is screwed down, so that the arc-shaped frame 3 is attached to the side wall of the operating bed plate 1 to keep different positions; moving the position of the positioning device 6 to enable the draw hook 5 to reach a position to be drawn, and then screwing the nut 12 to enable the first clamping plate 7 and the second clamping plate 13 to tightly clamp the arc-shaped frame 3, wherein the position of the positioning device 6 is kept still; unscrewing the third fixing screw 9 to move the drag hook 5, adjusting the extension length and the hooking angle of the drag hook 5 to hook and pull the body tissue, screwing the third fixing screw 9 after adjustment to keep the drag hook 5 still, and starting the operation at the moment.

The shape of the drag hook 5 has various shapes, and the most important shape is the I-shaped drag hook and the L-shaped drag hook (not shown in the figure) in fig. 2, the I-shaped drag hook mainly aims at the skin dragging of the horizontal incision, and the L-shaped drag hook mainly aims at the skin dragging of the vertical incision.

Two positioning devices 6 can be arranged on the same arc-shaped frame 3, so that the skin can be pulled conveniently.

The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.

Claims (5)

1. The utility model provides a neurosurgery drag hook fixer, includes operation bed board (1), its characterized in that, be provided with arc frame (3) on operation bed board (1), the narrow limit of operation bed board (1) is spaned in arc frame (3), first clamping screw (2) have been run through at the both ends of arc frame (3), the lateral wall threaded connection of first clamping screw (2) and operation bed board (1), be provided with positioner (6) on arc frame (3), be provided with drag hook (5) on positioner (6), set up on arc frame (3) and supply positioner (6) to follow logical groove (4) of arc frame (3) surface removal.

2. The neurosurgical retractor holder according to claim 1, wherein the positioning device (6) comprises a first clamping plate (7) and a second clamping plate (13) for clamping the arc-shaped frame (3), the retractor (5) penetrates through the first clamping plate (7) and the second clamping plate (13), a second fixing screw (8) is arranged on the first clamping plate (7), the second fixing screw (8) penetrates through the first clamping plate (7) and is in threaded connection with a nut (12) of the second clamping plate (13), and a fixing device for fixing the retractor (5) is arranged on the first clamping plate (7).

3. A retractor holder as claimed in claim 2 wherein the second fixing screw (8) and the nut (12) are provided in two sets and located on either side of the arcuate frame (3).

4. The neurosurgical retractor fixator according to claim 2, wherein the fixing device comprises a fixing ring (11) movably sleeved on the retractor (5) and connected with the upper surface of the first clamping plate (7), an arc-shaped pressing plate (10) in contact with the retractor (5) is arranged in the fixing ring (11), a third fixing screw rod (9) is connected to the outer side of the fixing ring (11) in a threaded manner, and the third fixing screw rod (9) penetrates through the fixing ring (11) to be rotatably connected with the arc-shaped pressing plate (10).

5. A retractor holder as claimed in claim 1 wherein there are two sets of arcuate brackets (3).

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