CN216495436U

CN216495436U - Retractor for neurosurgery

Info

Publication number: CN216495436U
Application number: CN202220515713.1U
Authority: CN
Inventors: 张晓强
Original assignee: Guangan Peoples Hospital
Current assignee: Guangan Peoples Hospital
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2022-05-13
Anticipated expiration: 2032-03-10

Abstract

The utility model belongs to the technical field of medical instruments, and particularly relates to a retractor for neurosurgery. The utility model comprises a fixed frame, wherein the fixed frame comprises a cross rod and a vertical rod, the cross rod and the vertical rod are both of telescopic structures, a fixing mechanism is arranged on the vertical rod, an angle adjusting mechanism is arranged on the cross rod, the angle adjusting mechanism is detachably connected with a retracting mechanism, the middle part of a first forceps holder is hinged with the middle part of a second forceps holder, one end of the second forceps holder is fixedly connected with a first base, an arc-shaped rod is connected in the first base in a sliding mode, one end of the arc-shaped rod is hinged with the first forceps holder, arc-shaped opening plates are arranged at the ends, far away from the first base, of the first forceps holder and the second forceps holder, and a first locking mechanism matched with the arc-shaped rod is arranged on the first base. The fixing mechanism is arranged, so that the retractor mechanism can be fixed to a proper position, the retractor mechanism is prevented from sliding off to influence the operation of a doctor, and meanwhile, the problem that the wound of a patient is torn due to the fact that the retractor slides off is effectively avoided.

Description

Retractor for neurosurgery

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to a retractor for neurosurgery.

Background

Neurosurgery is a clinical surgical special department which treats diseases of a central nervous system (brain, spinal cord), a peripheral nervous system and a vegetative nervous system by taking an operation as a main means, in the operation, students need to cut open tissues such as skin of a patient, and a retractor is used for dragging the tissues at an operation incision so as to expose a treatment part, then doctors carry out related treatment operations, and the retractor is also called a retractor and is used for retracting the tissues and exposing an operation field, so that exploration and operation are facilitated. The current retractors do not have a fixing mechanism to fix the retractor, if the retractor is accidentally slid off in the using process, the operation of a doctor is affected, the wound of a patient is torn, the danger is high, and the current retractors are difficult to retract the operation opening on the side face of the patient due to the absence of the fixing mechanism.

SUMMERY OF THE UTILITY MODEL

The utility model provides a retractor for neurosurgery, aiming at the problems that the retractor in the prior art has no fixing mechanism, is easy to slide off and is difficult to retract an operation opening on the side surface.

The technical scheme adopted by the utility model is as follows:

the utility model provides a retractor for neurosurgery, includes the mount, the mount includes horizontal pole and montant, horizontal pole and montant are extending structure, be provided with fixed establishment on the montant, be provided with angle adjustment mechanism on the horizontal pole, the last dismantlement of angle adjustment mechanism is connected with retracting mechanism, retracting mechanism includes first forceps holder and second forceps holder, the middle part of first forceps holder is articulated with the middle part of second forceps holder, the first base of one end fixedly connected with of second forceps holder, sliding connection has the arc pole in the first base, the one end of arc pole is articulated with first forceps holder, the one end that first base was kept away from to first forceps holder and second forceps holder all is provided with the arc and struts the board, be provided with on the first base with arc pole matched with first locking mechanism.

After adopting this technical scheme, when the patient carries out neurosurgery, install the mount on the suitable position of operation table through fixed establishment earlier, then according to the length of operation position adjustment horizontal pole and riser, adjust suitable angle through angle adjustment mechanism with the mechanism of pulling out after the adjustment, in the arc of second forceps holder and first forceps holder board card income wound, then open behind the first locking mechanism according to required wound size of pulling out, move the arc pole to suitable position, the arc pole removes the arc that drives on the first forceps holder board of pulling out and keeps away from the arc on the second forceps holder board of pulling out, it is fixed with the arc pole to close locking mechanism after pulling out suitable size with the wound. This retractor is provided with the mount, can fix suitable position with retractor mechanism, prevents that its landing from influencing the doctor and performing the operation, has effectively avoided the uncontrollable patient's that leads to of retractor wound tearing problem simultaneously to but make the retractor be applicable to the wound of different angles through angle adjusting mechanism's setting and the setting of the extending structure of horizontal pole, montant.

Preferably, the first locking mechanism comprises a spring and a bolt which are arranged in the first base, one end of the spring, which is close to the arc-shaped rod, is fixedly connected with the bolt, the other end of the spring is fixedly connected with one end, which is far away from the arc-shaped rod, in the first base, and a plurality of limiting holes matched with the bolt are formed in the arc-shaped rod.

After adopting this technical scheme, when using the retractor to lead out the wound, pull the bolt and make the bolt head break away from spacing hole, (the spring is in compression state this moment), then remove the arc pole to the direction that is close to first forceps holder, lead out the wound and reach required size until two arcs are opened the board, release the bolt when reaching required size, make the bolt head insert new spacing hole under the effect of the reset force of spring, with the length of arc pole fixed. The length of the transverse rod or the vertical rod is adjusted by the method, so that the method is simple, convenient and easy to operate.

Preferably, the fixing mechanism comprises a second base, and the second base is provided with a mounting groove and a tightening bolt matched with the mounting groove.

After adopting this technical scheme, when using the retractor, along last with the operation table bed of mounting groove card income suitable position according to the operation position, then fix it through the puller bolt.

Preferably, the vertical rod is connected with the second base in a sliding mode, a second locking mechanism matched with the vertical rod is arranged on the second base, and the structure of the second locking mechanism is the same as that of the first locking mechanism.

After the technical scheme is adopted, the telescopic adjustment of the vertical rod is realized through the matching of the second base and the second locking mechanism.

Preferably, the top of the vertical rod is fixedly connected with a third base, the third base is connected with the cross rod in a sliding mode, a third locking mechanism matched with the cross rod is arranged on the third base, and the third locking mechanism is identical to the first locking mechanism in structure.

After the technical scheme is adopted, the retracting mechanism is adjusted to a proper position through the matching of the third base and the third locking mechanism.

Preferably, the one end that the montant was kept away from to the horizontal pole is provided with the fourth base, be provided with the ball groove on the fourth base, the ball inslot internal rotation is connected with the spheroid and with spheroid matched with tight bolt in top, the spheroid stretches out the one end fixedly connected with dead lever in ball groove, spheroidal one end is kept away from to the dead lever and retractor mechanism can dismantle and be connected.

After the technical scheme is adopted, when the retracting mechanism is adjusted to a proper angle according to the operation position, the retracting mechanism is adjusted to the proper angle after the puller bolt is loosened, and then the puller bolt is screwed to fix the sphere.

Preferably, the first jaw is hinged to the second jaw through a rotating shaft, a first screw hole is formed in the middle of the rotating shaft, and a second screw hole matched with the first screw hole is formed in the angle adjusting mechanism.

After the technical scheme is adopted, the retracting mechanism and the angle adjusting mechanism are detachably connected through the bolts through the matching of the first screw hole and the second screw hole, and the retracting mechanism is convenient to replace when damaged, so that the cost is reduced.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. this retractor is provided with the mount, can fix suitable position with retractor mechanism, prevents that its landing from influencing the doctor and performing the operation, has effectively avoided the retractor uncontrollably to open the torn problem of patient's wound that leads to simultaneously.

2. The retractor is suitable for operation ports with different angles through the arrangement of the angle adjusting mechanism and the arrangement of the telescopic structures of the cross rods and the vertical rods.

3. The retracting mechanism is detachably connected with the angle adjusting mechanism, so that the retracting mechanism is convenient to replace when damaged, and the cost is reduced.

Drawings

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

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

FIG. 2 is a schematic structural view of the retraction mechanism of FIG. 1;

FIG. 3 is a schematic structural view of the first locking mechanism of FIG. 1;

wherein: the device comprises the following components, by weight, 1-a tightening bolt, 2-a second base, 3-a vertical rod, 4-a mounting groove, 5-a third base, 6-a transverse rod, 7-a fourth base, 8-a sphere, 9-a bolt, 10-a first base, 11-a rotating shaft, 12-a fixed rod, 13-an arc-shaped opening plate, 14-a first clamp, 15-an arc-shaped rod, 16-a second clamp, 17-a spring and 18-a limiting hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

In the description of the embodiments of the present application, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only used for convenience of description and simplification of the description, but do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

The present invention will be described in detail with reference to fig. 1, 2 and 3.

As shown in fig. 1 and 2, the retractor for neurosurgery comprises a fixing frame which comprises a cross rod 6 and a vertical rod 3, the cross bar 6 and the vertical bars 3 are both telescopic structures, the vertical bars 3 are provided with fixing mechanisms, the cross bar 6 is provided with an angle adjusting mechanism which is detachably connected with a retracting mechanism, the retracting mechanism comprises a first jaw 14 and a second jaw 16, wherein the middle part of the first jaw 14 is hinged with the middle part of the second jaw 16, one end of the second jaw 16 is fixedly connected with a first base 10, an arc-shaped rod 15 is slidably connected in the first base 10, one end of the arc-shaped rod 15 is hinged to the first jaw 14, the ends, away from the first base 10, of the first jaw 14 and the second jaw 16 are both provided with arc-shaped opening plates 13, and the first base 10 is provided with a first locking mechanism matched with the arc-shaped rod 15.

In this embodiment, the first locking mechanism includes spring 17 and bolt 9 arranged in first base 10, one end of spring 17 close to arc-shaped rod 15 is fixedly connected with bolt 9, the other end is fixedly connected with one end of first base 10 far away from arc-shaped rod 15, and arc-shaped rod 15 is provided with several spacing holes 18 matched with bolt 9.

In this embodiment, the fixing mechanism includes a second base 2, and the second base 2 is provided with a mounting groove 4 and a tightening bolt 1 matched with the mounting groove 4.

In this embodiment, the vertical rod 3 is slidably connected to the second base 2, a second locking mechanism matched with the vertical rod 3 is disposed on the second base 2, and a mechanism of the second locking mechanism is the same as that of the first locking mechanism.

In this embodiment, the top of montant 3 fixedly connected with third base 5, third base 5 and horizontal pole 6 sliding connection, be provided with the third locking mechanism with horizontal pole 6 matched with on the third base 5, third locking mechanism is the same with first locking mechanism structure.

In this embodiment, the one end that montant 3 was kept away from to horizontal pole 6 is provided with fourth base 7, be provided with the ball groove on the fourth base 7, the ball inslot internal rotation be connected with spheroid 8 and with spheroid 8 matched with puller bolt 1, the one end fixedly connected with dead lever 12 that spheroid 8 stretches out the ball groove, spheroid 8 was kept away from to dead lever 12 one end can be dismantled with the mechanism of drawing out and be connected.

In this embodiment, the first jaw 14 is hinged to the second jaw 16 through a rotating shaft 11, a first screw hole is formed in the middle of the rotating shaft 11, and a second screw hole matched with the first screw hole is formed in the angle adjusting mechanism.

The specific application method of the utility model is as follows:

when a patient performs neurosurgery, the mounting groove 4 is clamped into the edge of an operating bed at a proper position according to the operation position, then the mounting groove is fixed through the puller bolt 1, the lengths of the cross rod 6 and the vertical rod 3 are adjusted according to the operation position (when the vertical rod 3 needs to be lifted, the bolt on the second base 2 is pulled to be separated from the original limiting hole of the vertical rod, then the vertical rod is moved upwards, the bolt is released after adjustment to be inserted into a new limiting hole to be fixed, the length adjusting method of the cross rod 6 is the same as that of the vertical rod 3), when the retracting mechanism needs to be adjusted to a proper angle according to the operation position, the puller bolt 1 is loosened, the retracting mechanism is adjusted to a proper angle, then the puller bolt 1 is tightened to fix the sphere 8, after the angle is adjusted, the arc-shaped support plates 13 of the second jaw 16 and the first jaw 14 are clamped into a wound, pull bolt 9 and make the bolt head break away from spacing hole 18, then remove arc pole 15 to the direction that is close to first clamp 14, stretch out the board 13 and draw the wound and reach required size until two arcs, release bolt 9 when reaching required size, make the bolt head insert new spacing hole 18 under the effect of the reset force of spring 17 in, fix the length of arc pole.

Compared with the existing retractor which is provided with the fixing mechanism, the retractor can be fixed at a proper position, so that the retractor is prevented from sliding off to influence a doctor to perform an operation, and meanwhile, the problem of wound tearing of a patient caused by uncontrollable opening of the retractor is effectively avoided.

The above embodiments only express specific embodiments of the present application, and the description is 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 all belong to the protection scope of the present application.

Claims

1. A retractor for neurosurgery, characterized in that: comprises a fixed frame, the fixed frame comprises a transverse rod (6) and a vertical rod (3), the transverse rod (6) and the vertical rod (3) are of telescopic structures, a fixing mechanism is arranged on the vertical rod (3), an angle adjusting mechanism is arranged on the transverse rod (6), a retracting mechanism is detachably connected on the angle adjusting mechanism and comprises a first clamp (14) and a second clamp (16), the middle part of the first clamp (14) is hinged with the middle part of the second clamp (16), one end of the second clamp (16) is fixedly connected with a first base (10), an arc-shaped rod (15) is slidably connected in the first base (10), one end of the arc-shaped rod (15) is hinged with the first clamp (14), and one ends, far away from the first base (10), of the first clamp (14) and the second clamp (16) are both provided with arc-shaped opening plates (13), the first base (10) is provided with a first locking mechanism matched with the arc-shaped rod (15).

2. A neurosurgical retractor according to claim 1, wherein: first locking mechanism is including setting up spring (17) and bolt (9) in first base (10), spring (17) are close to the one end and bolt (9) fixed connection of arc pole (15), and the one end fixed connection of keeping away from arc pole (15) in the other end and first base (10), be provided with several and bolt (9) complex spacing hole (18) on arc pole (15).

3. A neurosurgical retractor according to claim 1, wherein: the fixing mechanism comprises a second base (2), wherein the second base (2) is provided with a mounting groove (4) and a tightening bolt (1) matched with the mounting groove (4).

4. A neurosurgical retractor according to claim 3, wherein: the vertical rod (3) is connected with the second base (2) in a sliding mode, a second locking mechanism matched with the vertical rod (3) is arranged on the second base (2), and the structure of the second locking mechanism is the same as that of the first locking mechanism.

5. A neurosurgical retractor according to claim 1, wherein: the top fixedly connected with third base (5) of montant (3), third base (5) and horizontal pole (6) sliding connection, be provided with on third base (5) with horizontal pole (6) matched with third locking mechanism, third locking mechanism is the same with first locking mechanism structure.

6. A neurosurgical retractor according to claim 1, wherein: the one end that montant (3) were kept away from in horizontal pole (6) is provided with fourth base (7), be provided with the ball groove on fourth base (7), ball inslot internal rotation be connected with spheroid (8) and with spheroid (8) matched with puller bolt (1), the one end fixedly connected with dead lever (12) that spheroid (8) stretched out the ball groove, the one end that spheroid (8) were kept away from in dead lever (12) can be dismantled with the mechanism of leading out and be connected.

7. A neurosurgical retractor according to claim 1, wherein: the first clamp (14) is hinged to the second clamp (16) through a rotating shaft (11), a first screw hole is formed in the middle of the rotating shaft (11), and a second screw hole matched with the first screw hole is formed in the angle adjusting mechanism.