CN212067116U

CN212067116U - Arm suspension device suitable for wrist arthroscopic surgery

Info

Publication number: CN212067116U
Application number: CN202020333906.6U
Authority: CN
Inventors: 张庭
Original assignee: Foshan City Nanhai District People's Hospital
Current assignee: Foshan City Nanhai District People's Hospital
Priority date: 2020-03-17
Filing date: 2020-03-17
Publication date: 2020-12-04
Anticipated expiration: 2030-03-17

Abstract

The utility model discloses an arm hanging device suitable for wrist arthroscopic surgery, including fixed mounting stand and headrest on the operation table, rotate through the bull stick on the stand and be connected with the supporting shoe, and threaded connection has the bracing piece on the supporting shoe, sliding connection has solid fixed ring on the bracing piece, gu be connected with on the fixed ring and suspend the area in midair, fixed mounting has the fixed column on the operation table, and is equipped with the spout on the fixed column, the spout internal rotation is connected with two-way lead screw, threaded connection has the backup pad on the two-way lead screw, fixed mounting has servo motor in the operation table, and fixedly connected with output lever on servo motor's the output. Has the advantages that: the utility model discloses can suspend in midair and support the operation to patient's arm simultaneously, avoid suspending in midair the problem that leads to the aching pain for a long time because of the arm, reduce the painful degree of patient when performing the operation, and can satisfy different arm length patient's operation requirement, application scope is wider.

Description

Arm suspension device suitable for wrist arthroscopic surgery

Technical Field

The utility model relates to a wrist joint mirror operation technical field especially relates to an arm hanging device suitable for wrist joint mirror operation.

Background

The wrist arthroscopy operation is a medical technology for diagnosing and treating wrist joint injuries and diseases in a minimally invasive way, and particularly, when in operation, a mini high-definition camera is placed in a minimally invasive small opening of the wrist of a patient, and lesions in an articular cavity are evaluated and treated according to obtained influence information.

Because the joint cavity of the hand of the patient needs to be exposed when the wrist arthroscope operation is carried out, the wrist of the patient needs to be fixed and suspended by using the suspension device so as to ensure the normal operation, but the elbow of the patient is not supported by the conventional suspension device, so that the arm of the patient is easy to feel sore when being suspended for a long time, and the pain of the patient during the operation can be increased seriously.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art and providing an arm suspension device suitable for wrist arthroscopy operation.

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

the utility model provides an arm hanging device suitable for wrist arthroscopic surgery, includes fixed mounting stand and headrest on the operation table, rotate through the bull stick on the stand and be connected with the supporting shoe, and threaded connection has the bracing piece on the supporting shoe, sliding connection has solid fixed ring on the bracing piece, gu be connected with on the fixed ring and suspend the area in midair, fixed mounting has the fixed column on the operation table, and is equipped with the spout on the fixed column, the spout internal rotation is connected with two-way lead screw, threaded connection has the backup pad on the two-way lead screw, fixed mounting has servo motor in the operation table, and fixedly connected with output lever on servo motor's the output, install transmission structure between output lever and the two-way lead screw, install linkage structure between output lever and the.

In the above-mentioned arm suspension device suitable for wrist arthroscopic surgery, the transmission structure comprises mounting groove, driven helical gear and initiative helical gear, the mounting groove is seted up between servo motor and two-way lead screw, driven helical gear fixed mounting is at two-way lead screw lower extreme, initiative helical gear fixed mounting is in the output lever one end of keeping away from servo motor, and initiative helical gear and driven helical gear meshing.

In foretell arm linkage suitable for wrist arthroscopic surgery, linkage structure comprises gear one, spread groove, drive belt and gear two, the spread groove is seted up between output lever and bull stick, the gear one set is established at the intermediate position of output lever, and gear one is located the spread groove, the gear two sets is established at the intermediate position of bull stick, and gear two with be located the spread groove, the drive belt cover is established between gear one and gear two.

In the above-mentioned arm hanging device suitable for wrist arthroscopic surgery, a spongy cushion is fixedly mounted on the supporting plate, a buckle is fixedly mounted on the supporting plate, and a clamping belt matched with the buckle is mounted on the supporting plate.

In the arm suspension device suitable for the wrist arthroscopic surgery, the support rod and the support plate are arranged in parallel, and the length of the support plate is more than or equal to mm.

In the arm suspension device suitable for the wrist arthroscopic surgery, the surfaces of the upright post, the fixed column and the support plate are coated with antistatic paint.

Compared with the prior art, the utility model discloses the advantage lies in:

1: through the cooperation of backup pad and suspension band, still can support its elbow when suspending in midair the patient wrist, avoided the patient to suspend the problem that leads to the aching pain because of the arm for a long time, reduced the painful degree of patient when carrying out the operation.

2: through the cooperation of transmission structure and linkage structure, under the inconvenient prerequisite of keeping patient's wrist and hand relative angle, can carry out the lifting or lower operation to its arm, the doctor of being convenient for carries out wrist arthroscope operation to it at different height, satisfies the operation requirement to different arm length patients, and application scope is wider.

3: through the cooperation of buckle and cassette, can fix patient's elbow in the backup pad, avoid the problem that the operation failed because of patient's hand takes place great amplitude removal among the operation process.

To sum up, the utility model discloses can suspend in midair and support the operation to patient's arm simultaneously, avoid suspending in midair the problem that leads to the aching pain for a long time because of the arm, reduce the painful degree of patient when performing the operation, and can satisfy different arm length patients' operation requirement, application scope is wider.

Drawings

Fig. 1 is a schematic structural view of an arm suspension device suitable for a wrist arthroscopic surgery according to the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is an enlarged view of the structure of portion A in FIG. 1;

fig. 4 is an enlarged schematic view of the structure of part B in fig. 1.

In the figure: the device comprises an operating table 1, a stand column 2, a headrest 3, a supporting block 4, a supporting rod 5, a fixing ring 6, a fixing column 7, a sliding chute 8, a bidirectional screw rod 9, a supporting plate 10, an installation groove 11, a driven helical gear 12, a driving helical gear 13, an output rod 14, a rotating rod 15, a servo motor 16, a first gear 17, a connecting groove 18, a transmission belt 19 and a second gear 20.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, an arm suspension device suitable for wrist arthroscopic surgery comprises a stand column 2 and a headrest 3 which are fixedly installed on an operation table 1, wherein the stand column 2 is rotatably connected with a supporting block 4 through a rotating rod 15, the supporting block 4 is in threaded connection with a supporting rod 5, the supporting rod 5 is in sliding connection with a fixing ring 6, the fixing ring 6 is connected with a suspension belt, the suspension belt is used for suspending and fixing the wrist part of a patient, and the rotating supporting rod 5 can adjust the distance of the suspension belt relative to the operation table 1.

Fixed mounting has fixed column 7 on the operation table 1, and is equipped with spout 8 on the fixed

column

7, and 8 internal rotations in spout are connected with two-way lead screw 9, and threaded connection has backup pad 10 on the two-way lead screw 9, and two-way lead screw 9 rotates and to slide about can making backup pad 10 follow spout 8's direction to support patient's elbow from different heights, need not patient's lifting arm by oneself, avoid leading to the problem of muscle ache because of long-time lifting arm.

A servo motor 16 is fixedly installed in the operating bed 1 (the servo motor 16 is the same as the servo motor used in the patent document with the patent number of CN 207155573U), an output rod 14 is fixedly connected to an output end of the servo motor 16, and the servo motor 16 drives the output rod 14 to rotate when working.

Install transmission structure between output rod 14 and two-way lead screw 9, transmission structure is by mounting groove 11, driven helical gear 12 and initiative helical gear 13 are constituteed, mounting groove 11 is seted up between servo motor and two-way lead screw 9, driven helical gear 12 fixed mounting is at two-way lead screw 9 lower extreme, initiative helical gear 13 fixed mounting is in the one end that servo motor 16 was kept away from to output rod 14, and initiative helical gear 13 meshes with driven helical gear 12, when output rod 14 rotates, through driven helical gear 12 and initiative helical gear 13's cooperation, drive two-way lead screw 9 and rotate, thereby adjust the height of backup pad 10 relative operation table 1.

A linkage structure is arranged between the output rod 14 and the rotating rod 15 and consists of a first gear 17, a connecting groove 18, a transmission belt 19 and a second gear 20, the connecting groove 18 is formed between the output rod 14 and the rotating rod 15, the first gear 17 is sleeved at the middle position of the output rod 14, and the output rod 14 rotates to drive the first gear 17 to rotate.

Gear 17 is located spread groove 18, gear two 20 covers is established at the intermediate position of bull stick 15, and gear two 20 with be located spread groove 18, drive belt 19 covers is established between gear one 17 and gear two 20, when gear one 17 rotates, drive bull stick 15 through the cooperation of gear two 20 and drive belt 19 and rotate, thereby adjust the inclination of supporting shoe 4 relative operation table 1, during supporting shoe 4 tilt up, make solid fixed ring 6 carry out the lifting relative operation table 1, thereby carry out the lifting to patient's wrist, when supporting shoe 4 downward sloping, then reduce the relative height of patient's wrist.

Fixed mounting has the foam-rubber cushion in the backup pad 10, and fixed mounting has the buckle in the backup pad 10, installs in the backup pad 10 with buckle matched with cassette, the cooperation of buckle and cassette can be fixed patient's hand in the backup pad 10, avoids leading to the problem of operation failure because of patient's hand removes by a wide margin.

The support bar 5 and the support plate 10 are arranged in parallel, the length of the support plate 10 is more than or equal to 150mm, and the size design has the advantage of ensuring the support effect of the support plate 10 on the hand of the patient.

The surfaces of the upright post 2, the fixing post 7 and the supporting plate 10 are coated with antistatic coating (acrylic acid can be adopted as the antistatic coating), the problem that the device generates static electricity due to friction can be avoided by using the antistatic coating, and the possibility that the surgical equipment is abnormal due to static electricity is reduced.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

In the utility model, the wrist of the patient is fixed by the suspension band, then the elbow of the patient is put on the support plate 10, then the operation of the wrist arthroscopy operation can be carried out, when the left and right distance of the wrist of the patient relative to the operation table 1 needs to be adjusted, can be realized by rotating the supporting rod 5, the fixing ring 6 is far away from the operating bed 1 by clockwise rotation, otherwise, the fixing ring is close to the operating bed 1, when the lifting height of the wrist of the patient needs to be adjusted, the forward rotation switch of the servo motor 16 is turned on, through the matching of the transmission structure and the linkage structure, the supporting plate 10 is lifted and drives the supporting block 4 to rotate upwards, thereby make solid fixed ring 6 relative operation table 1 and the synchronous lifting of backup pad 10 relative operation table 1, on the contrary the reversal switch of servo motor 16 can be to patient's arm operation of lowering, guarantees the synchronous lifting of patient's arm and wrist, avoids appearing buckling or rocking and leads to the operation failure or increase patient's misery.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An arm suspension device suitable for wrist arthroscopic surgery comprises a stand column (2) and a headrest (3) which are fixedly installed on an operating bed (1), and is characterized in that the stand column (2) is rotatably connected with a supporting block (4) through a rotating rod (15), the supporting block (4) is in threaded connection with a supporting rod (5), the supporting rod (5) is in sliding connection with a fixing ring (6), the fixing ring (6) is connected with a suspension belt, the operating bed (1) is fixedly provided with a fixing column (7), the fixing column (7) is provided with a chute (8), the chute (8) is in rotary connection with a bidirectional screw rod (9), the bidirectional screw rod (9) is in threaded connection with a supporting plate (10), the operating bed (1) is internally and fixedly provided with a servo motor (16), and an output rod (14) is fixedly connected with an output end of the servo motor (16), a transmission structure is arranged between the output rod (14) and the bidirectional screw rod (9), and a linkage structure is arranged between the output rod (14) and the rotating rod (15).

2. An arm suspension device suitable for wrist arthroscopic surgery according to claim 1, wherein the transmission structure is composed of a mounting groove (11), a driven bevel gear (12) and a driving bevel gear (13), the mounting groove (11) is opened between the servo motor and the bidirectional screw rod (9), the driven bevel gear (12) is fixedly installed at the lower end of the bidirectional screw rod (9), the driving bevel gear (13) is fixedly installed at one end of the output rod (14) far away from the servo motor (16), and the driving bevel gear (13) is meshed with the driven bevel gear (12).

3. The arm suspension device suitable for the wrist arthroscopic surgery according to claim 1, wherein the linkage structure is composed of a first gear (17), a connecting groove (18), a transmission belt (19) and a second gear (20), the connecting groove (18) is formed between the output rod (14) and the rotating rod (15), the first gear (17) is sleeved at the middle position of the output rod (14), the first gear (17) is located in the connecting groove (18), the second gear (20) is sleeved at the middle position of the rotating rod (15), the second gear (20) is located in the connecting groove (18), and the transmission belt (19) is sleeved between the first gear (17) and the second gear (20).

4. The arm suspension device suitable for the wrist arthroscopic surgery according to claim 1, wherein a sponge cushion is fixedly arranged on the support plate (10), a buckle is fixedly arranged on the support plate (10), and a clamping belt matched with the buckle is arranged on the support plate (10).

5. An arm suspension device suitable for wrist arthroscopic surgery according to claim 1, wherein the support bar (5) is arranged in parallel with the support plate (10), and the length of the support plate (10) is greater than or equal to (150) mm.

6. An arm suspension device suitable for wrist arthroscopic surgery according to claim 1, characterised in that the surfaces of the upright (2), the fixed column (7) and the support plate (10) are coated with antistatic paint.