CN213189814U

CN213189814U - Magnetic base operation retractor

Info

Publication number: CN213189814U
Application number: CN202021129088.4U
Authority: CN
Inventors: 钟珊珊
Original assignee: Zhongshan Peoples Hospital
Current assignee: Zhongshan Peoples Hospital
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-05-14
Anticipated expiration: 2030-06-17

Abstract

Magnetic base surgical retractor includes magnetizable operating table mesa, base, telescopic link, horizontal pole, movable block and hook head at least, the bottom of base is fixed with the permanent magnet that attracts mutually with operating table mesa magnetism, the fixed slot has been seted up to hook head's inside, the draw-in groove has all been seted up to the both sides of fixed slot, the bottom of movable block is inwards sunken fluted, the inside of recess is provided with the inside that the one end of two montants and montants runs through to the fixed slot, the outside top of montant is fixed with the one end of depression bar and passes the movable block and outwards extend the one end distance, and the middle part of two montants is fixed with the spring post, the outside bottom mounting of montant has the fixture block that is the mating structure with the draw. The utility model discloses ingenious design the hook head with the movable block for split type structure, make the utility model discloses change hook head that can be convenient has strengthened then the utility model discloses an excellent in use effect.

Description

Magnetic base operation retractor

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a magnetic base surgical retractor.

Background

Orthopedics is one of the most common departments in all hospitals, and mainly studies the anatomy, physiology and pathology of the skeletal muscle system, and maintains and develops the normal form and function of the system by using medicines, operations and physical methods. The magnetic base operation retractor is one of the most common basic instruments in surgical operations, and is widely applied to the clinical fields of orthopedics, general surgery, hepatobiliary surgery, thoracic and cardiac surgery, neurosurgery, urology surgery and the like at present. The surgical retractor is mainly used for retracting tissues and exposing a surgical site, so that further surgical exploration and operation are facilitated.

However, the existing magnetic base surgical retractor is mostly of an integrated structure, and once the retractor head is damaged or abraded, the whole magnetic base surgical retractor needs to be replaced, so that medical resources are wasted. In view of this, it is necessary to design a magnetic base surgical retractor with a replaceable retractor head.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: provides a magnetic base surgical retractor to solve the problems in the background art.

The technical scheme of the utility model is that: the magnetic base surgical retractor at least comprises a magnetizable operating table top, a base arranged on the operating table top, a telescopic rod extending upwards along the upper surface of the base, a cross rod fixed at the top end of the telescopic rod, a movable block capable of performing linear motion along the cross rod and a retractor head detachably fixed on the movable block, a permanent magnet which is magnetically attracted with the operating table top is fixed at the bottom of the base, a fixed groove is arranged inside the hook head, the two sides of the fixed groove are both provided with clamping grooves, the bottom of the moving block is inwards recessed with grooves, the inside of recess is provided with the inside that the one end of two montants and montant runs through to the fixed slot, the outside top of montant is fixed with the movable block and outwards extends the one end distance that the one end of depression bar and depression bar passes, and the middle part of two montants is fixed with the spring post, the outside bottom mounting of montant have with the draw-in groove be the fixture block of cooperation structure.

As a further aspect of the present invention: the lower surface of the clamping block is inclined.

As a further aspect of the present invention: the telescopic rod at least comprises a sleeve, a connecting pipe and a fixing bolt, wherein the sleeve, the connecting pipe and the fixing bolt are fixed on the base, the connecting pipe is inserted above the sleeve, a first threaded hole is formed in the sleeve, a plurality of second threaded holes which are matched with the first threaded holes are formed in the connecting pipe, and the fixing bolt is fixed between the first threaded hole and the second threaded hole.

As a further aspect of the present invention: a strip-shaped groove is formed in the lower surface of the cross rod, a screw rod which is in a matched structure with the moving block penetrates through the strip-shaped groove, and a rotary disc is fixed at one end of the screw rod.

As a further aspect of the present invention: the top of the strip-shaped groove is provided with a limiting groove, and a sliding block which is in a matched structure with the limiting groove is fixed on the moving block.

Compared with the prior art, the beneficial effects of the utility model are that: through the scheme, the utility model ingeniously designs the draw hook head and the movable block into a split structure, so that the draw hook head can be conveniently replaced, and then the use effect of the utility model is enhanced; particularly, when the hook head needs to be changed, at first two depression bars are pressed, make the montant drive the fixture block and move to the inboard, break away from the draw-in groove when the fixture block, take off the hook head, later, two depression bars are pressed, make the montant drive the fixture block and move to the inboard, insert montant and fixture block in the new overhead fixed slot of hook, after the draw-in groove is aimed at to the fixture block, loosen the depression bar, under the effect of spring post, the fixture block card goes into the draw-in groove, can accomplish the change work of hook head of efficient.

Drawings

FIG. 1 is a front view of the magnetic base surgical retractor;

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 3 is an enlarged schematic structural diagram of the present invention at B in fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the magnetic base surgical retractor at least includes a magnetizable operating table top 10, a base 20 disposed on the operating table top 10, a telescopic rod 30 extending upward along an upper surface of the base 20, a cross rod 40 fixed to a top end of the telescopic rod 30, a moving block 50 capable of performing linear motion along the cross rod 40, and a retractor head 60 detachably fixed to the moving block 50, wherein a permanent magnet 21 magnetically attracted to the operating table top 10 is fixed to a bottom of the base 20, a fixing groove 61 is formed in the retractor head 60, two sides of the fixing groove 61 are both provided with a clamping groove 62, a groove 51 is recessed inward in the bottom of the moving block 50, two vertical rods 52 are disposed in the groove 51, one end of each vertical rod 52 penetrates through the fixing groove 61, a pressing rod 53 is fixed to a top end of an outer side of each vertical rod 52, and one end of each pressing rod 53 penetrates through the moving block, spring columns 54 are fixed in the middle of the two vertical rods 52, and clamping blocks 55 which are matched with the clamping grooves 62 are fixed at the bottom ends of the outer sides of the vertical rods 52. The lower surface of the latch 55 is inclined.

During actual installation, the telescopic rod 30 at least comprises a sleeve 31 fixed on the base 20, a connecting pipe 32 and a fixing bolt 33, the connecting pipe 32 is inserted above the sleeve 31, a first threaded hole 311 is formed in the sleeve 31, a plurality of second threaded holes 321 which are matched with the first threaded hole 311 are formed in the connecting pipe 32, and the fixing bolt 33 is fixed between the first threaded hole 311 and the second threaded holes 321. A strip-shaped groove 41 is formed in the lower surface of the cross bar 40, a screw rod 42 which is in a matching structure with the moving block 50 penetrates through the strip-shaped groove 41, and a rotating disc 43 is fixed at one end of the screw rod 42. The top of the strip-shaped groove 41 is provided with a limit groove 411, and the moving block 50 is fixed with a sliding block 56 which is in a matching structure with the limit groove 411.

In actual operation, when the hook head 60 needs to be replaced, the two pressing rods 53 are pressed at first, so that the vertical rod 52 drives the clamping block 55 to move inwards, the hook head 60 is taken down after the clamping block 55 is separated from the clamping groove 62, then the two pressing rods 53 are pressed, the vertical rod 52 drives the clamping block 55 to move inwards, the vertical rod 52 and the clamping block 55 are inserted into the fixing groove 61 on the new hook head 60, after the clamping block 55 is aligned with the clamping groove 62, the pressing rods 53 are loosened, and the clamping block 55 is clamped into the clamping groove 62 under the action of the spring columns 54, so that the replacement work of the hook head 60 can be efficiently completed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Magnetic base surgical retractor, at least including magnetizable operating table mesa (10), set up base (20) on operating table mesa (10), follow base (20) upper surface and upwards extend telescopic link (30), fix horizontal pole (40) on telescopic link (30) top, can follow horizontal pole (40) and carry out linear motion's movable block (50) and the detachable hook head (60) of fixing on movable block (50), its characterized in that: the bottom of base (20) is fixed with permanent magnet (21) that attracts mutually with operating table mesa (10) magnetism, fixed slot (61) have been seted up to the inside of hook head (60), draw-in groove (62) have all been seted up to the both sides of fixed slot (61), the bottom of movable block (50) is inside sunken recess (51), the inside of recess (51) is provided with the inside that runs through to fixed slot (61) two montants (52) and montant (52) one end, the outside top of montant (52) is fixed with depression bar (53) and the one end of depression bar (53) and passes movable block (50) and outwards extend the one end distance, and the middle part of two montants (52) is fixed with spring beam (54), the outside bottom mounting of montant (52) has and draw-in groove (62) be fixture block (55) of cooperation structure.

2. The magnetic base surgical retractor according to claim 1, wherein: the lower surface of the fixture block (55) is inclined.

3. The magnetic base surgical retractor according to claim 1, wherein: the telescopic rod (30) at least comprises a sleeve (31), a connecting pipe (32) and a fixing bolt (33) which are fixed on the base (20), the connecting pipe (32) is inserted above the sleeve (31), a first threaded hole (311) is formed in the sleeve (31), a plurality of second threaded holes (321) which are of a matched structure with the first threaded hole (311) are formed in the connecting pipe (32), and the fixing bolt (33) is fixed between the first threaded hole (311) and the second threaded hole (321).

4. The magnetic base surgical retractor according to claim 1, wherein: a strip-shaped groove (41) is formed in the lower surface of the cross rod (40), a screw rod (42) which is in a matched structure with the moving block (50) penetrates through the strip-shaped groove (41), and a rotating disc (43) is fixed at one end of the screw rod (42).

5. The magnetic base surgical retractor according to claim 4, wherein: the top of the strip-shaped groove (41) is provided with a limiting groove (411), and a sliding block (56) which is in a matched structure with the limiting groove (411) is fixed on the moving block (50).