CN216365196U

CN216365196U - Intraoperative positioning device for operation

Info

Publication number: CN216365196U
Application number: CN202023204349.7U
Authority: CN
Inventors: 白建萍
Original assignee: Shandong Shengyuankang Medical Instrument Co ltd
Current assignee: Shandong Shengyuankang Medical Instrument Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2022-04-26
Anticipated expiration: 2030-12-25

Abstract

The utility model discloses an intraoperative positioning device for surgery, which is characterized in that: comprises a frame body used for supporting and installing a device; a vertical marker provided on the frame body, forming a mark on the patient in a vertically downward direction; the horizontal moving device is arranged on the frame body and used for driving the vertical marker to move the measured distance in the horizontal direction; and the scale marks are arranged on the box body and used for accurately measuring the horizontal distance of the horizontal moving device moving the vertical marker. When the CT scanning device is used, the vertical marker can be driven to move to a metal marking point through the horizontal moving device, then the data is calculated according to the measured data on the CT film, then the vertical comparator is driven to horizontally move for a corresponding distance through the scale mark under the driving of the horizontal moving device, at the moment, the vertical marker is positioned right above the position of a focus of a patient, and the vertical marker can form a mark on the body of the patient.

Description

Intraoperative positioning device for operation

Technical Field

The utility model belongs to the technical field of medical treatment, and particularly relates to an intraoperative positioning device for an operation.

Background

Before a patient is punctured by a hospital, the position of a focus of the patient is determined by CT scanning, and then the patient is punctured according to an examination result. Whether the puncture operation can achieve the expected purpose is greatly related to the accuracy of selecting the puncture site.

The traditional puncture operation can be directly carried out in a CT room in the process of carrying out the operation, so that the puncture operation is finished under the guidance of the CT, and the accuracy of a puncture position is ensured. However, the CT resource in hospitals is excessively occupied, and in order to solve the problem, most hospitals transfer patients to an operating room after CT detection is completed, and then doctors determine puncture positions on the patients according to CT detection results.

With the development of the puncture operation, the doctor can find the focus position of the patient for better assistance so as to carry out the corresponding puncture operation. When the patient is subjected to CT detection, the patient can be positioned, the posture of the patient at the moment is marked through instruments such as a level meter and the like, then special metal is attached along the direction of infrared rays, and mark points formed by the special metal are formed on the CT sheet obtained at the moment.

However, in the current market, there is no device capable of marking according to the distance between the marking point formed on the CT film and the lesion point during the operation, and the adopted method is also a simple measurement based on the marking point, and the method also has a lack of precision in the practical application.

SUMMERY OF THE UTILITY MODEL

The utility model provides a positioning device for operation, which is convenient for measurement and overcomes the defects of the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme: an intraoperative positioning device for surgery, characterized in that: comprises a frame body used for supporting and installing a device; a vertical marker provided on the frame body, forming a mark on the patient in a vertically downward direction; the horizontal moving device is arranged on the frame body and used for driving the vertical marker to move the measured distance in the horizontal direction; and the scale marks are arranged on the box body and used for accurately measuring the horizontal distance of the horizontal moving device moving the vertical marker. When the CT scanning device is used, the vertical marker can be driven to move to a metal marking point through the horizontal moving device, then the data is calculated according to the measured data on the CT film, then the vertical comparator is driven to horizontally move for a corresponding distance through the scale mark under the driving of the horizontal moving device, at the moment, the vertical marker is positioned right above the position of a focus of a patient, and the vertical marker can form a mark on the body of the patient.

Preferably, the vertical marker and the horizontal moving device are connected by a vertical connecting assembly; the vertical marker is connected with the horizontal moving device through the vertical connecting assembly, so that the vertical marker can be effectively ensured to be in a vertically downward state.

Preferably, the horizontal moving device comprises a coarse adjusting component and a fine adjusting component, and the scale marks are arranged on the fine adjusting component; the rough adjusting component can adjust the vertical marker to move the vertical marker to a proper distance, then the fine adjusting component adjusts the vertical marker to move above the marking point, and then the fine adjusting component adjusts the distance measured by the movement of the vertical marker to reach the upper part of the lesion point.

Preferably, the fine adjustment assembly comprises a movable rod connected with the vertical marker, a transmission rod pushing the movable rod and a rotating part arranged on the transmission rod; the transmission rod is rotated through the rotating piece, so that the movable rod is pushed to move horizontally, and the position of the vertical marker is controlled.

Preferably, the movable rod is provided with a screw hole, the transmission rod is inserted into the screw hole, and the transmission rod is provided with a thread which is matched with the screw hole; the transmission rod and the movable rod are provided with mutually matched threads, so that the movable rod can be accurately pushed to horizontally move for a corresponding distance by rotating the transmission rod.

Preferably, the rack body is provided with a rotation stopping groove, and the movable rod is provided with a bulge matched with the rotation stopping groove; the protrusion and the rotation stopping groove are matched with each other, so that the movable rod can be prevented from synchronously rotating along with the transmission rod, and the measuring accuracy is improved.

Preferably, the frame body is provided with a scale rod parallel to the movable rod, the rotation stopping groove is arranged on the scale rod, the rotating part is provided with a fine adjustment part, and the scale mark comprises a coarse adjustment scale arranged on the scale rod and a fine adjustment scale arranged on the fine adjustment part; the coarse adjustment scale can roughly measure the approximate moving distance of the movable rod, and the fine adjustment scale can measure the rotating angle of the transmission rod, so that the approximate distance measured by the coarse adjustment scale can be accurately positioned.

Preferably, the rough adjusting assembly comprises a length rod body connected with the scale rod and a fixed rod body arranged on the frame body, the fixed rod body is provided with a guide groove, the length rod body is provided with a bulge matched with the guide groove, and the length rod body and the fixed rod body are locked through a locking roller; the length rod body can slide in the guide groove through the protrusion, and is locked through the locking roller.

Preferably, the frame body is provided with a telescopic rod connected with the fixed rod; the telescopic rod can change the height of the horizontal moving device.

Preferably, a base is arranged on the frame body, and a butting piece is arranged on the base; the abutment member can abut the base on the operating bed, thereby completing the fixation of the present invention.

In summary, when the utility model is used, the vertical marker can be driven by the horizontal moving device to move to the metal marking point, then the data is calculated according to the measured data on the CT sheet, and then the vertical comparator is driven by the horizontal moving device to move horizontally by a corresponding distance through the scale mark, at this time, the vertical marker is located right above the focus position of the patient, and the vertical marker can form a mark on the body of the patient.

Drawings

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

Fig. 2 is an exploded view of the present invention.

Fig. 3 is a top view of the present invention.

Fig. 4 is a cross-sectional view taken along line a-a in fig. 4.

Fig. 5 is an enlarged view of a portion a in fig. 5.

Fig. 6 is a front view of the present invention.

Fig. 7 is an enlarged view of fig. 7 at B.

Fig. 8 is a cross-sectional view taken at B-B in fig. 7.

Fig. 9 is a bottom view of the vertical marker.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

As shown in fig. 1 to 9, an intra-operative positioning device for surgery includes a frame 1, a vertical marker 444, a horizontal moving device, and scale marks.

The frame body 1 can be fixed on an operating bed; the frame body 1 comprises an expansion link and a base 12, the base 12 is provided with a butt part 121, the base 12 is formed by three metal plates in a surrounding connection mode to form a notch, a butt hole is formed in the metal plate located at the bottom end, the butt part 121 comprises a hand screwing part 122, a screw rod 123 and a butt part 124, the screw rod 123 penetrates through the butt hole, threads matched with the screw rod 123 are arranged on the butt hole, the butt part 124 is arranged at the top end of the screw rod 123 and is a circular metal sheet, after the screw rod 123 penetrates through the butt hole, the butt part 124 is located in the notch, the hand screwing part 122 is arranged at the tail end of the screw rod 123, a plurality of friction protrusions are arranged on the hand screwing part 122, and by rotating the hand screwing part 122, the butt part 124 can be controlled to move upwards or downwards, so that an operating bed part is arranged in the notch, and then the hand screwing part 122 is rotated, the abutting piece 124 is tightly abutted with the bottom of the operating bed, thereby completing the fixation of the utility model.

Specifically, the telescopic rod comprises a bottom rod 111, a connecting rod 112 and a locking piece 13, wherein the bottom rod 111 is connected with the base 12, a telescopic groove 113 is arranged in the bottom rod 111, the connecting rod 112 can move up and down in the telescopic groove 113, the retaining rod 111 is provided with a fixing hole communicated with the telescopic slot, the locking member 13 comprises a rotating part 131, a locking rod 132 and a retaining plate 133, the locking rod 132 passes through the fixing hole, the locking rod 132 and the fixing hole are threadedly engaged with each other, the abutting plate 133 is a circular metal plate, the abutting plate 133 and the connecting rod 112 abut against each other, the rotating plate 131 is provided at the end of the locking lever 132, the locking portion 131 is provided with a friction pattern, and by rotating the rotating portion 131, the abutting plate 133 can be controlled to move inwards or outwards, so as to control whether the abutting plate 133 abuts against the connecting rod 112.

Connecting rod 112 with horizontal migration device links to each other, horizontal migration device includes coarse adjusting subassembly and fine setting subassembly, coarse adjusting subassembly includes the length body of rod 211, the fixed body of rod 212 and locking roller 216, the fixed body of rod 212 with connecting rod 112 interconnect, the fixed body of rod 212 with connecting rod 112 mutually perpendicular, be equipped with guide slot 213 on the fixed body of rod 212, be equipped with protruding 214 on the length body of rod 211, protruding 214 with guide slot 213 mutually supports, the length body of rod 211 can pass through protruding 214 is in slide in guide slot 213, the length body of rod 211 with be equipped with a plurality of locking holes 215 that communicate each other on the fixed rod 212, locking roller 216 inserts in the locking hole 215, can with the length body of rod 211 with the fixed rod 212 is locked each other. The inner wall of the guide groove 213 is symmetrically provided with anti-falling grooves 231, the protrusions 214 are provided with anti-falling parts 232 matched with the anti-falling grooves 231, and the anti-falling parts 232 are strip-shaped protrusions formed on the protrusions 214.

The fine setting subassembly includes movable rod 22, transfer line 24 and rotates the piece 25, be equipped with on the length body of rod 211 and rotate the hole, transfer line 24 is located rotate downtheholely, be equipped with the screw thread on the transfer line 25, be equipped with transmission channel 221 on the movable rod 22, transfer line 25 inserts in the transmission channel 221, be equipped with the screw thread of mutually supporting with transfer line 24 in the transmission channel 221, transfer line 25 with the screw thread of transmission channel 221 inner wall is the fixed screw thread of pitch.

Be equipped with scale bar 26 on the length body of rod 211, scale bar 26 with movable rod 22 is parallel to each other, be equipped with on the scale bar 26 and end a commentaries on classics groove 261, be equipped with on the movable rod 22 and end a commentaries on classics strip 222, it blocks into to end a commentaries on classics strip 222 in ending commentaries on classics groove 261.

The rotation member 25 is a circular handle provided on the transmission lever 24, and the scale bar 26 is formed with a rotation opening at the rotation member 25.

The scale mark includes fine adjustment scale 252 and coarse adjustment scale 253, it is equipped with fine setting portion to rotate the piece 25, fine adjustment scale 252 is located in the fine setting portion, coarse adjustment scale 253 is located on the scale rod 26, be equipped with laser emitter or finger rod pole on the length body of rod 211, in this embodiment, be equipped with laser generator on the length body of rod 211, laser emitter can launch horizontally laser and shine in the fine setting portion, when reading fine adjustment scale 252 in the fine setting portion, only need read out the laser irradiation's scale both. The coarse adjustment scale 253 is provided on the scale bar 26.

The movable rod 22 is provided with a vertical connecting part 221, and the vertical connecting part 221 is composed of a vertical straight rod perpendicular to the movable rod 22 and two obliquely arranged straight rods.

The vertical connecting portion 221 with the vertical marker 444 is connected through a vertical connecting assembly, the vertical connecting assembly comprises a fixed shell 31 and a vertical portion 32, the fixed shell 31 is formed by cutting 3/4 for a hollow sphere, the vertical portion 32 is formed by a sphere in the fixed shell 31, the vertical portion 32 is connected with a vertical rod 33, and the vertical rod 33 and the vertical marker 444 are formed.

The vertical marker 444 comprises a laser emitter 41 and a fixing body 42, wherein the fixing body 42 is a cylinder with a hollow inner part, the fixing body 42 is provided with a pipeline 421, and the laser emitter 41 is circumferentially arrayed on the periphery of the pipeline 421.

Before an operation is carried out, when a focus position of the head of a patient needs to be positioned, corresponding data are measured and calculated through information obtained through CT imaging, then the patient is fixed to the same body position and position in CT detection, then the base is installed at the position flush with a metal marker, a coarse adjusting component is adjusted, then a fine adjusting component is matched, laser emitted by the laser emitter 41 irradiates on the metal marker, then the scale mark at the moment is read through the scale mark, then the rotating part 25 is rotated, the vertical comparator 444 is guided to move on the horizontal distance to measure and calculate the data, and the position irradiated by the laser emitter 41 is the focus position of the patient at the moment.

It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Claims

1. An intraoperative positioning device for surgery, characterized in that: comprises that

The frame body (1) is used for supporting and installing the devices;

a vertical marker (444) provided on the frame body (1) to form a mark on a patient in a vertically downward direction;

the horizontal moving device is arranged on the frame body (1) and is used for driving the vertical marker (444) to move the measured distance in the horizontal direction;

and the scale marks are arranged on the frame body (1) and used for accurately measuring the horizontal distance of the vertical marker (444) moved by the horizontal moving device.

2. The intraoperative positioning device of claim 1, wherein: the vertical marker (444) and the horizontal movement device are connected by a vertical connection assembly.

3. The intraoperative positioning device of claim 1, wherein: the horizontal moving device comprises a coarse adjusting component and a fine adjusting component, and the scale marks are arranged on the fine adjusting component.

4. The intraoperative positioning device of claim 3, wherein: the fine adjustment assembly comprises a movable rod (22) connected with the vertical marker (444), a transmission rod (25) pushing the movable rod (22) and a rotating piece (24) arranged on the transmission rod (25).

5. The intraoperative positioning device of claim 4, wherein: the movable rod (22) is provided with a transmission channel (221), the transmission rod (25) is inserted into the transmission channel (221), and the transmission rod (25) is matched with the transmission channel (221) through threads.

6. The intraoperative positioning device of claim 4, wherein: the frame body (1) is provided with a rotation stopping groove (261), and the movable rod (22) is provided with a rotation stopping strip (222) matched with the rotation stopping groove (261).

7. The intraoperative positioning device of claim 6, wherein: be equipped with on support body (1) with scale bar (26) that movable rod (22) are parallel to each other, only revolving groove (261) are located on scale bar (26), be equipped with fine setting portion on rotating piece (24), the scale mark is including locating coarse adjusting scale on the scale bar with locate fine setting scale in the fine setting portion.

8. The intraoperative positioning device of claim 7, wherein: the coarse adjustment assembly comprises a length rod body (211) connected with the scale rod and a fixed rod body (212) arranged on the frame body, a guide groove (213) is formed in the fixed rod body (212), a protrusion (214) matched with the guide groove is formed in the length rod body (211), and the length rod body (211) and the fixed rod body (212) are locked through a locking roller (215).

9. The intraoperative positioning device of claim 8, wherein: the frame body (1) is provided with a telescopic rod connected with the fixed rod.

10. The intraoperative positioning device of claim 1, wherein: the frame body (1) is provided with a base (12), and the base (12) is provided with a butt piece (121).