CN211460329U

CN211460329U - Retractor for neurosurgery

Info

Publication number: CN211460329U
Application number: CN201922356070.1U
Authority: CN
Inventors: 李光宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-09-11
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses a retractor for neurosurgery, including the support ring, the surface front end of support ring is equipped with the opening, the sliding surface of support ring has cup jointed the arc sleeve, the telescopic last fixed surface of arc is connected with the connecting block, the inside of connecting block is equipped with square through hole, square through hole's inboard surface sliding connection has the square pole, the lower surface front side fixedly connected with arc of square pole struts the board, the arc struts the inside position that the board is located the support ring, the upper surface of square pole is equipped with positioning insertion hole, the upper surface threaded connection of connecting block has set screw, set screw's surface lower extreme is pegged graft in positioning insertion hole's upper surface, can improve the convenience and the stability of using like this greatly, guarantees and treatment.

Description

Retractor for neurosurgery

Technical Field

The utility model relates to the field of medical instruments, more specifically say, relate to a retractor for neurosurgery.

Background

In the neurosurgery treatment process, a retractor is required to be used for supporting skin tissues in some operations, so that enough operative field is ensured after the retractor is unfolded, and the neurosurgery treatment is facilitated.

However, most of the existing retractors are hinged two jaw structures, and can only be unfolded towards two sides, and the connecting part is positioned at the center of the unfolding position, so that the viewing is influenced, the unfolding stability is influenced, the manual operation is also influenced, and the using effect is not ideal.

SUMMERY OF THE UTILITY MODEL

Problem to exist among the prior art, an object of the utility model is to provide a retractor for neurosurgery, install the arc sleeve through the support ring that has the opening, and then the connection has the square pole of arc distraction board, can connect different quantity as required, and then the multiposition supports, and leave the intermediate position, avoid interfering and watch, do benefit to the outrigger, convenient operation, simultaneously through top level screw connection puller block, can stabilize the telescopic position of arc, do benefit to the regulation location, convenience and stability that can improve the use like this greatly, guarantee to draw out and treatment.

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a retractor for neurosurgery, includes the support ring, the surface front end of support ring is equipped with the opening, the surface slip of support ring has cup jointed the arc sleeve, the telescopic last fixed surface of arc is connected with the connecting block, the inside of connecting block is equipped with square through hole, square through hole's inboard surface slip is connected with the square pole, the lower surface front side fixedly connected with arc of square pole struts the board, the arc struts the inside position that the board is located the support ring, the upper surface of square pole is equipped with positioning hole, the upper surface threaded connection of connecting block has set screw, set screw's surface lower extreme is pegged graft in positioning hole's upper surface.

Further, the surface rear side fixedly connected with connecting rod of support ring, the rear side surface fixedly connected with holding ring of connecting rod connects the holding ring through the connecting rod, can hand-held operation, also can fix to the support, and is convenient stable.

Furthermore, the rear end of the inner side surface of the arc-shaped sleeve is provided with an open slot, the rear end inside the open slot is connected with a jacking screw through a threaded hole in a threaded manner, and the jacking screw is connected through the open slot, so that the adjustment is facilitated, the interference is avoided, and the device is convenient and stable.

Furthermore, the front end of the jacking screw is rotatably connected with a jacking block through a rotating block, the outer surface of the jacking block is slidably connected to the inner side surface of the open slot, and the jacking block is connected through the jacking screw, so that the supporting and positioning are facilitated, and the stability is high.

Further, the front side surface of the jacking block is provided with an arc-shaped surface, the outer surface of the arc-shaped surface is tightly pressed and connected on the outer side surface of the support ring, the support ring is jacked through the arc-shaped surface, the contact area can be increased, the friction limiting stability is improved, and the use is facilitated.

Further, arc sleeve and square pole all have at least threely, and wait angle uniform connection in the surface of support ring, can connect a plurality of arc sleeves, do benefit to the multiposition and support, and the adaptability is high.

Further, the support ring is made of stainless steel, the diameter of the support ring is five millimeters to six millimeters, the inner diameter of the circular ring is seventy millimeters to eighty millimeters, the support ring is made of stainless steel, use is facilitated, safety and sanitation are achieved, the support range is large, and adjustment is facilitated.

Compared with the prior art, the utility model has the advantages of:

(1) the arc-shaped sleeve is installed through the support ring that has the opening to this scheme, and then connects the square pole that has the arc and struts the board, can connect different quantity as required, and then the multiposition supports to leave the intermediate position, avoid interfering and watch, do benefit to the outrigger, convenient operation.

(2) Connect the holding ring through the connecting rod, can hand-held operation, also can fix to the support on, convenient stability.

(3) The jacking screw is connected through the open slot, so that the adjustment is facilitated, the interference is avoided, and the operation is convenient and stable.

(4) The jacking block is connected through the jacking screw, so that the supporting and positioning are facilitated, and the stability is high.

(5) Through the tight support ring in arcwall face top, can increase area of contact, improve the spacing stability of friction, do benefit to the use.

(6) The support ring is made of stainless steel, so that the use is facilitated, the safety and the sanitation are realized, the support range is large, and the adjustment is facilitated.

Drawings

Fig. 1 is an external perspective view of the overall structure of the present invention;

fig. 2 is a schematic top view of the present invention;

FIG. 3 is a side view of the arcuate sleeve joint of the present invention;

fig. 4 is an enlarged view of the position a of the tightening screw connection in fig. 3 according to the present invention.

The reference numbers in the figures illustrate:

the device comprises a support ring 1, an opening 11, an arc-shaped sleeve 12, a connecting block 13, a square through hole 14, a square rod 15, an arc-shaped opening plate 16, a positioning insertion hole 17, a positioning screw 18, a connecting rod 2, a positioning ring 21, an open slot 22, a tightening screw 23, a rotating block 24, a tightening block 25 and an arc-shaped surface 26.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-4, a retractor for neurosurgery comprises a support ring 1, referring to fig. 1, 2 and 3, a notch 11 is formed at the front end of the outer surface of the support ring 1, so as to facilitate connection of an arc sleeve 12 from the notch 11, avoid interference, select different numbers for use, facilitate convenience, high efficiency and high adaptability, the arc sleeve 12 is sleeved on the outer surface of the support ring 1 in a sliding manner, a connecting block 13 is fixedly connected to the upper surface of the arc sleeve 12, a square through hole 14 is formed inside the connecting block 13, a square rod 15 is connected to the inner side surface of the square through hole 14 in a sliding manner, the position of an arc expanding plate 16 is adjusted by sliding the square rod 15, further the expanding diameter is adjusted, the retractor is convenient to adjust and use, sufficient visual field is ensured, safety and stability are achieved, the arc expanding plate 16 is fixedly connected to the front side of the lower surface of the square rod 15, the arc expanding plate 16, the upper surface of square pole 15 is equipped with location jack 17, insert location jack 17 through set screw 18, can fix the position of square pole 15, guarantee the stability after the regulation, the upper surface threaded connection of connecting block 13 has set screw 18, the surface lower extreme of set screw 18 is pegged graft in the upper surface of location jack 17, the surface rear side fixedly connected with connecting rod 2 of support ring 1, the rear side surface fixedly connected with holding ring 21 of connecting rod 2, both can hand-held operation, also can use the fix with screw to the support, no longer describe repeatedly.

Please refer to fig. 2 and 4, the rear end of the inner side surface of the arc-shaped sleeve 12 is provided with an open slot 22, the rear end of the inside of the open slot 22 is connected with a tightening screw 23 through a threaded hole, the front end of the tightening screw 23 is connected with a tightening block 25 through a rotating block 24, the outer surface of the tightening block 25 is connected to the inner side surface of the open slot 22 in a sliding manner, the front side surface of the tightening block 25 is provided with an arc-shaped surface 26, the outer surface of the arc-shaped surface 26 is connected to the outer side surface of the support ring 1 in a pressing manner, the tightening screw 23 can be rotated from the outside, and the tightening block 25 is pushed inwards, so that the arc-shaped surface 26 can be pressed to the outer surface of the support ring 1, and further the.

During the use, can follow opening 11 position cover with arc sleeve 12 on support ring 1, then rotate puller screw 23 from the outside, and then promote puller block 25 to the inboard, just also can compress tightly support ring 1's surface with arcwall face 26, and then increase frictional resistance, guarantee the stability of arc sleeve 12 location, can select different quantity like this to connect, and then strut from a plurality of positions, then can cross the position that slip square pole 15 adjusted arc distraction plate 16, and then adjust the diameter of strutting, do benefit to the regulation and use, guarantee sufficient field of vision, insert location jack 17 through set screw 18, can fix the position of square pole 15, guarantee the stability after the regulation, just also can pull open tissues such as skin through arc distraction plate 16, do benefit to the operation, convenient stability.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. A retractor for neurosurgery comprising a support ring (1), characterized in that: the outer surface front end of support ring (1) is equipped with opening (11), arc sleeve (12) have been cup jointed in the surface slip of support ring (1), the last fixed surface of arc sleeve (12) is connected with connecting block (13), the inside of connecting block (13) is equipped with square through hole (14), the inboard surface sliding connection of square through hole (14) has square pole (15), the lower surface front side fixedly connected with arc of square pole (15) struts board (16), arc struts board (16) and is located the inside position of support ring (1), the upper surface of square pole (15) is equipped with positioning insertion hole (17), the upper surface threaded connection of connecting block (13) has set screw (18), the lower extreme of set screw (18) is pegged graft in positioning insertion hole's (17) upper surface.

2. A neurosurgical retractor according to claim 1, wherein: the outer surface rear side fixedly connected with connecting rod (2) of support ring (1), the rear side surface fixedly connected with holding ring (21) of connecting rod (2).

3. A neurosurgical retractor according to claim 2, wherein: an open slot (22) is formed in the rear end of the inner side surface of the arc-shaped sleeve (12), and a jacking screw (23) is connected to the rear end of the interior of the open slot (22) through a threaded hole in a threaded manner.

4. A neurosurgical retractor according to claim 3, wherein: the front end of the jacking screw (23) is rotatably connected with a jacking block (25) through a rotating block (24), and the outer surface of the jacking block (25) is slidably connected with the inner side surface of the open slot (22).

5. A neurosurgical retractor according to claim 4, wherein: the front side surface of the jacking block (25) is provided with an arc-shaped surface (26), and the outer surface of the arc-shaped surface (26) is tightly pressed and connected to the outer side surface of the support ring (1).

6. A neurosurgical retractor according to claim 5, wherein: the arc-shaped sleeve (12) and the square rod (15) are at least three and are uniformly connected to the outer surface of the support ring (1) at equal angles.

7. A neurosurgical retractor according to claim 6, wherein: the support ring (1) is made of stainless steel, the diameter is five millimeters to six millimeters, and the inner diameter of the circular ring is seventy millimeters to eighty millimeters.