CN214909948U

CN214909948U - Adjustable hand bracket for DSA interventional operation

Info

Publication number: CN214909948U
Application number: CN202121326858.9U
Authority: CN
Inventors: 顾旭
Original assignee: Changzhou Second Peoples Hospital
Current assignee: Changzhou Second Peoples Hospital
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2021-11-30
Anticipated expiration: 2031-06-15

Abstract

An adjustable hand bracket for DSA interventional surgery, the utility model relates to the technical field of medical instruments; the pressing plate is arranged at the lower side inside the fixing frame; the upper ends of the screws are fixed on the left side and the right side of the lower surface of the pressing plate; the upper end of the internal threaded pipe is sleeved on the lower end of the screw rod, and the limiting plate is fixed on one end of the limiting rod, which is far away from the fixing frame; one end of a return spring is fixed on the outer side wall of the vertical plate of the fixing frame, and the other end of the return spring is respectively fixed on the inner walls of the limiting plates on the two sides; one end of the threaded rod is screwed with one side wall of the adjusting seat through a bearing, and the other end of the threaded rod is fixedly connected with an output shaft of the driving motor; the driving wedge is sleeved on the threaded rod through threads, and the upper side of the lifting wedge is exposed at the upper side of the adjusting seat; the lower side of the arm placing plate is fixed on the upper surface of the lifting wedge through a bracket; the adjustment in the vertical direction can be carried out, and the adjustment in the parallel direction can also be carried out, so that the time spent on preparing the body position for the patient is reduced, and the operation is convenient.

Description

Adjustable hand bracket for DSA interventional operation

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to DSA intervenes operation and uses adjustable hand bracket.

Background

With the development of modern medical industry, interventional diagnosis and treatment become an important means for treating coronary heart disease due to small wound and good effect, and are accepted by vast patients, the interventional treatment approach is gradually replaced by a radial artery approach, most of the existing medical DSA operation brackets can only move in parallel to change the flexion and extension of the arms of the patients, the limbs of the patients cannot be lifted vertically, great inconvenience is brought to many patients during operation, and a great amount of time is spent on preparing the body positions of the patients, so that the operation time is prolonged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's defect and not enough, provide a DSA that reasonable in design, convenient to use intervene operation and use adjustable hand bracket, can carry out the regulation of vertical direction, also can carry out parallel direction's regulation to reduce the time of spending for the patient prepares the position, convenient operation.

In order to achieve the above object, the utility model adopts the following technical scheme: the fixing frame is arranged in a U shape, the mounting plates are fixed at the top ends of vertical plates on two sides of the fixing frame, one side of each mounting plate, which is adjacent to the center of the fixing frame, is arranged in the same vertical plane with the inner wall of the fixing frame, and the limiting rods are arranged on the lower sides of the mounting plates and are movably inserted into the vertical plates of the fixing frame; it also includes:

the pressing plate is arranged on the lower side inside the fixing frame and is arranged on the lower side of the limiting rod;

the two screw rods are arranged, and the upper ends of the screw rods are fixed on the left side and the right side of the lower surface of the pressing plate;

the two internal thread pipes are sleeved at the upper end of the screw rod and are screwed through threads, the outer ring wall at the lower end of the internal thread pipe is screwed with the transverse plate of the fixing frame through a bearing, and the left internal thread pipe and the right internal thread pipe are connected through a rotating wheel set;

the two limiting plates are respectively fixed on one end of the limiting rod, which is far away from the fixed frame;

the four reset springs are symmetrically arranged on the front side and the rear side of the two limiting rods in pairs, one end of each reset spring is fixed on the outer side wall of the vertical plate of the fixing frame, and the other end of each reset spring is fixed on the inner walls of the limiting plates on the two sides respectively;

the two adjusting seats are respectively arranged on the upper surfaces of the mounting plates on the two sides in a sliding manner;

the two driving motors are respectively arranged inside the adjusting seat and are connected with an external power supply;

the two threaded rods are respectively arranged inside the adjusting seat, one end of each threaded rod is screwed with one side wall of the adjusting seat through a bearing, and the other end of each threaded rod is fixedly connected with an output shaft of the driving motor;

the driving tapered wedges are arranged inside the adjusting seat, the driving tapered wedges are sleeved on the threaded rod through threads, and the side walls of the front side and the rear side of each driving tapered wedge are respectively arranged in sliding grooves in the front inner wall and the rear inner wall of the adjusting seat in a sliding mode through sliding blocks;

the lifting wedges are arranged on the upper side inside the adjusting seat respectively, the lower sides of the lifting wedges are attached to the driving wedges, and the upper sides of the lifting wedges penetrate through the upper side wall of the adjusting seat and then are exposed on the upper side of the adjusting seat;

the arm placing plates are arranged in an arc shape, and the lower sides of the arm placing plates are fixed on the upper surfaces of the lifting wedges through supports;

the arm fixed plate, the arm fixed plate be two, two arm fixed plates all are the arc setting, and the arm fixed plate places the board with the arm and splices into circular setting, one side of arm fixed plate is placed one side of board through hinge and arm and is connect soon, the opposite side of arm fixed plate is placed the opposite side of board through bolt and arm and is connected.

Preferably, the inner side of the arm fixing plate and the inner side of the arm placing plate are both fixedly provided with soft pads.

Preferably, a plurality of anti-slip strips are fixed on the upper surface of the pressing plate at equal intervals from left to right.

Preferably, the inside of mounting panel be equipped with the cavity, the inside of this cavity is equipped with the dwang, the rear end of this dwang connects soon through the back lateral wall of bearing and cavity, the front end of dwang passes behind the preceding lateral wall of cavity, twists fixed connection with the hand, is fixed with drive gear on the middle-end of dwang, in the last lateral wall of mounting panel was inserted to the upper end of this drive gear, the center of lateral wall is fixed with the rack under the regulation seat, this rack meshes the setting with drive gear mutually.

Preferably, the front and rear side walls of the lifting wedge are fixed with guide rods, and the lower ends of the guide rods on the front and rear sides are movably inserted into the front and rear side walls of the adjusting seat respectively.

Compared with the prior art, the beneficial effects of the utility model are that: a DSA intervenes operation and uses adjustable hand bracket, can carry out the regulation of vertical direction, also can carry out parallel direction's regulation to reduce the time of spending for patient's preparation position, convenient operation, the utility model has the advantages of set up rationally, the cost of manufacture is low.

Drawings

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

Fig. 2 is a top view of fig. 1.

Fig. 3 is a schematic diagram of the internal structure of the present invention.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is a schematic structural view of the middle driving wedge and the lifting wedge of the present invention.

Description of reference numerals:

the device comprises a fixed frame 1, a limiting rod 2, a mounting plate 3, a pressing plate 4, a screw rod 5, an internal threaded pipe 6, a limiting plate 7, an adjusting seat 8, a driving motor 9, a threaded rod 10, a driving wedge 11, a lifting wedge 12, an arm placing plate 13, an arm fixing plate 14, a soft cushion 15, an anti-slip strip 16, a cavity 17, a rotating rod 18, a hand screw 19, a driving gear 20, a rack 21, a guide rod 22 and a return spring 23.

The specific implementation mode is as follows:

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.

As shown in fig. 1 to 5, the following technical solutions are adopted in the present embodiment: the fixing frame 1 is U-shaped, the mounting plates 3 are fixedly welded to the top ends of vertical plates on two sides of the fixing frame 1, one side, adjacent to the center of the fixing frame 1, of each mounting plate 3 is perpendicular to the inner wall of the fixing frame 1, the limiting rods 2 are arranged on the lower sides of the mounting plates 3, and the limiting rods 2 are movably inserted into the vertical plates of the fixing frame 1; it also includes:

the pressing plate 4 is arranged on the lower side inside the fixing frame 1, and the pressing plate 4 is arranged on the lower side of the limiting rod 2;

the number of the screw rods 5 is two, and the upper ends of the screw rods 5 are welded and fixed on the left side and the right side of the lower surface of the pressure plate 4;

the number of the internal thread pipes 6 is two, the upper end of each internal thread pipe 6 is sleeved on the lower end of the corresponding screw 5 and is screwed through threads, the outer annular wall of the lower end of each internal thread pipe 6 is screwed with the transverse plate of the fixing frame 1 through a bearing, and the left internal thread pipe 6 and the right internal thread pipe 6 are connected through a rotating wheel set;

the number of the limiting plates 7 is two, and the limiting plates 7 on the two sides are respectively welded and fixed on one end, far away from the fixed frame 1, of the limiting rod 2;

the number of the reset springs 23 is four, the four reset springs 23 are symmetrically arranged on the front side and the rear side of the two limiting rods 2 in pairs, one end of each reset spring 23 is fixedly welded on the outer side wall of the vertical plate of the fixing frame 1, and the other end of each reset spring 23 is fixedly welded on the inner walls of the limiting plates 7 on the two sides;

the number of the adjusting seats 8 is two, and the two adjusting seats 8 are respectively arranged on the upper surfaces of the mounting plates 3 on the two sides in a sliding manner;

the number of the driving motors 9 is two, the driving motors 9 are respectively arranged inside the adjusting seat 8, and the driving motors 9 are connected with an external power supply;

the number of the threaded rods 10 is two, the two threaded rods 10 are respectively arranged inside the adjusting seat 8, one end of each threaded rod 10 is connected with one side wall of the adjusting seat 8 in a screwed mode through a bearing, and the other end of each threaded rod 10 is fixedly riveted with an output shaft of the driving motor 9;

the driving tapered wedges 11 are arranged inside the adjusting seat 8, the driving tapered wedges 11 are sleeved on the threaded rod 10 through threads, and the side walls of the front side and the rear side of each driving tapered wedge 11 are respectively arranged in sliding grooves in the front inner wall and the rear inner wall of the adjusting seat 8 in a sliding mode through sliding blocks;

the lifting wedges 12 are two, the lifting wedges 12 are respectively arranged on the upper side inside the adjusting seat 8, the lower side of each lifting wedge 12 is attached to the driving wedge 11, and the upper side of each lifting wedge 12 penetrates through the upper side wall of the adjusting seat 8 and then is exposed on the upper side of the adjusting seat 8;

the number of the arm placing plates 13 is two, the two arm placing plates 13 are respectively provided with the upper sides of the two adjusting seats 8, the arm placing plates 13 are arranged in an arc shape, and the lower sides of the arm placing plates 13 are fixed on the upper surfaces of the lifting wedges 12 through supports;

arm fixed plate 14, arm fixed plate 14 be two, two arm fixed plates 14 all are the arc setting, and arm fixed plate 14 places board 13 with the arm and splices into circular setting, one side of arm fixed plate 14 is passed through the hinge and is placed one side of board 13 with the arm and connect soon, the opposite side of arm fixed plate 14 is passed through the bolt and is placed the opposite side of board 13 with the arm and be connected.

Preferably, the inner side of the arm fixing plate 14 and the inner side of the arm placing plate 13 are both provided with a soft pad 15 by bonding and fixing.

Preferably, a plurality of anti-slip strips 16 are adhered and fixed on the upper surface of the pressing plate 4 at equal intervals from left to right.

Preferably, a cavity 17 is formed in the mounting plate 3, a rotating rod 18 is disposed in the cavity 17, a rear end of the rotating rod 18 is rotatably connected to a rear side wall of the cavity 17 through a bearing, a front end of the rotating rod 18 passes through a front side wall of the cavity 17 and is fixedly riveted to a hand screw 19, a driving gear 20 is sleeved on a middle end of the rotating rod 18 and is fixedly welded, an upper end of the driving gear 20 is inserted into an upper side wall of the mounting plate 3, a rack 21 is fixedly welded to a center of a lower outer side wall of the adjusting seat 8, and the rack 21 is meshed with the driving gear 20.

Preferably, the front and rear side walls of the lifting wedge 12 are welded and fixed with guide rods 22, and the lower ends of the guide rods 22 at the front and rear sides are movably inserted into the front and rear side walls of the adjusting base 8 respectively.

The working principle of the specific embodiment is as follows: when the device is used, the fixing frame 1 is placed at the lower side of an operating table, then the fixing frame 1 is pushed upwards, and when the fixing frame moves upwards, the limiting rods 2 at two sides move towards two sides, further the reset spring 23 compresses the limiting plate 7, the limiting rod 2 moves into a vertical plate of the fixing frame 1, then the fixing frame 1 is pushed upwards until the limiting rods 2 are positioned at two sides of the operating table, the reset spring 23 drags the limiting plate 7, the limiting rod 2 is inserted into the operating table, then the internal thread tube 6 at one side is rotated, the internal thread tube 6 at the other side is driven by the rotating wheel set to drive the internal thread tube 6 at the other side, the two internal thread tubes 6 simultaneously drive the screw rods 5 to move upwards, the screw rods 5 drive the pressing plates 4 to move upwards until the pressing plates 4 abut against the lower surface of the operating table, then the hand screws 19 at two sides are respectively rotated, and the hand screws 19 respectively drive the rotating rods 18 thereon to rotate, dwang 18 drives drive gear 20 and rotates, drive gear 20 drives rack 21 and removes, rack 21 drives and adjusts seat 8 and remove, until reaching suitable position, then place the arm on board 13 is placed to the arm, cover arm fixed plate 14 to the upside of arm again, at last screw up through the bolt, and then spacing to the arm, when the height of arm needs to be adjusted, start driving motor 9, driving motor 9 drives threaded rod 10 and rotates, threaded rod 10 drives drive slide wedge 11 and removes, drive slide wedge 11 carries out high promotion to lift slide wedge 12 at the in-process that removes, and then drive the arm and place board 13 and reciprocate, the arm is placed board 13 and is driven the arm and reciprocate, and then reach the effect of height-adjusting.

Compared with the prior art, the beneficial effects of the embodiment are as follows:

1. the position of the pressing plate 4 can be adjusted, and the limiting rod 2 is abutted against the bed plate through the return spring 23, so that the bed plate is positioned between the pressing plate 4 and the limiting rod 2, and the limiting effect is achieved;

2. the adjusting seat 8 can slide left and right on the mounting plate 3 to further adjust the position of the arm placing plate 13, the lower side of the arm placing plate 13 is fixed on the lifting wedge 12 through the bracket, and further the height of the arm placing plate 13 can be adjusted;

3. the upper side of the arm placing plate 13 is provided with an arm fixing plate 14, the arm placing plate 13 and the arm fixing plate 14 are spliced into a circle, and therefore the arm can be limited, and a patient can be prevented from moving randomly.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. An adjustable hand bracket for DSA intervention surgery comprises a fixing frame (1), a limiting rod (2) and a mounting plate (3), wherein the fixing frame (1) is arranged in a U shape, the mounting plate (3) is fixed at the top ends of vertical plates at two sides of the fixing frame (1), one side, adjacent to the center of the fixing frame (1), of the mounting plate (3) is arranged in a same vertical plane with the inner wall of the fixing frame (1), the limiting rod (2) is arranged at the lower side of the mounting plate (3), and the limiting rod (2) is movably inserted into the vertical plate of the fixing frame (1); it is characterized in that it also comprises:

the pressing plate (4) is arranged on the lower side inside the fixing frame (1), and the pressing plate (4) is arranged on the lower side of the limiting rod (2);

the two screw rods (5) are arranged, and the upper ends of the screw rods (5) are fixed on the left side and the right side of the lower surface of the pressing plate (4);

the number of the internal thread pipes (6) is two, the upper end of each internal thread pipe (6) is sleeved on the lower end of the corresponding screw (5) and is screwed through threads, the outer ring wall of the lower end of each internal thread pipe (6) is screwed with the transverse plate of the corresponding fixing frame (1) through a bearing, and the left internal thread pipe (6) and the right internal thread pipe (6) are connected through rotating wheel sets;

the number of the limiting plates (7) is two, and the limiting plates (7) on the two sides are respectively fixed on one end, far away from the fixing frame (1), of the limiting rod (2);

the number of the reset springs (23) is four, the four reset springs (23) are symmetrically arranged on the front side and the rear side of the two limiting rods (2) in pairs, one end of each reset spring (23) is fixed on the outer side wall of the vertical plate of the fixing frame (1), and the other end of each reset spring (23) is fixed on the inner walls of the limiting plates (7) on the two sides respectively;

the number of the adjusting seats (8) is two, and the two adjusting seats (8) are respectively arranged on the upper surfaces of the mounting plates (3) on the two sides in a sliding manner;

the number of the driving motors (9) is two, the driving motors (9) are respectively arranged inside the adjusting seat (8), and the driving motors (9) are connected with an external power supply;

the two threaded rods (10) are arranged, the two threaded rods (10) are respectively arranged in the adjusting seat (8), one end of each threaded rod (10) is connected with one side wall of the adjusting seat (8) through a bearing in a rotating mode, and the other end of each threaded rod (10) is fixedly connected with an output shaft of the driving motor (9);

the driving inclined wedges (11) are arranged, the driving inclined wedges (11) are arranged inside the adjusting seat (8), the driving inclined wedges (11) are sleeved on the threaded rod (10) through threads, and the side walls of the front side and the rear side of each driving inclined wedge (11) are arranged in sliding grooves in the front inner wall and the rear inner wall of the adjusting seat (8) in a sliding mode through sliding blocks respectively;

the lifting wedges (12) are arranged, the lifting wedges (12) are respectively arranged on the upper side inside the adjusting seat (8), the lower side of the lifting wedges (12) is attached to the driving wedges (11), and the upper side of the lifting wedges (12) penetrates through the upper side wall of the adjusting seat (8) and then is exposed on the upper side of the adjusting seat (8);

the two arm placing plates (13) are respectively provided with the upper sides of the two adjusting seats (8), the arm placing plates (13) are arranged in an arc shape, and the lower sides of the arm placing plates (13) are fixed on the upper surfaces of the lifting wedges (12) through supports;

arm fixed plate (14), arm fixed plate (14) be two, two arm fixed plates (14) all are the arc setting, and arm fixed plate (14) place board (13) with the arm and splice into circular setting, one side of arm fixed plate (14) is passed through the hinge and is placed one side of board (13) and connect soon with the arm, the opposite side of arm fixed plate (14) is passed through the bolt and is placed the opposite side of board (13) with the arm and be connected.

2. The adjustable hand rest for DSA interventional procedures of claim 1, wherein: the inner sides of the arm fixing plates (14) and the arm placing plates (13) are both fixedly provided with soft pads (15).

3. The adjustable hand rest for DSA interventional procedures of claim 1, wherein: a plurality of anti-slip strips (16) are fixed on the upper surface of the pressing plate (4) from left to right at equal intervals.

4. The adjustable hand rest for DSA interventional procedures of claim 1, wherein: the inside of mounting panel (3) be equipped with cavity (17), the inside of this cavity (17) is equipped with dwang (18), the rear end of this dwang (18) connects soon through the back lateral wall of bearing with cavity (17), the front end of dwang (18) passes behind the preceding lateral wall of cavity (17), twist (19) fixed connection with the hand, be fixed with drive gear (20) on the middle-end of dwang (18), the upper end of this drive gear (20) is inserted and is established in the last lateral wall of mounting panel (3), the center of lateral wall is fixed with rack (21) under regulation seat (8), this rack (21) and drive gear (20) mesh mutually and set up.

5. The adjustable hand rest for DSA interventional procedures of claim 1, wherein: guide rods (22) are fixed on the front side wall and the rear side wall of the lifting wedge (12), and the lower ends of the guide rods (22) on the front side and the rear side are movably inserted into the front side wall and the rear side wall of the adjusting seat (8) respectively.