CN214387611U

CN214387611U - Puncture locator

Info

Publication number: CN214387611U
Application number: CN202022963691.9U
Authority: CN
Inventors: 周新涛
Original assignee: Anqing Municipal Hospital
Current assignee: Anqing Municipal Hospital
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-10-15
Anticipated expiration: 2030-12-11

Abstract

The utility model provides a puncture locator, including position location device and direction positioner, position location device includes the polylith locating plate, be equipped with the spliced pole between the adjacent locating plate, spliced pole and locating plate flexible connection, be equipped with the location sign on the locating plate, position location device location puncture point, take off position location device, use direction location device to carry out the direction location, direction location device includes the locating lever, the locating lever passes through angle adjusting device and connects the locating support, fixing device is all established to locating plate bottom and locating support bottom, make the locating lever bottom arrange the puncture point in. The utility model discloses an each locating plate corresponds different digital sign respectively, divides specific puncture point according to the region of different locating plates during the use, and direction positioner makes locating lever bottom and puncture point coincidence, combines the CT location, fixes a position the puncture direction, can pinpoint the position of lump fast, confirms the puncture point, improves patient's comfort level, has improved medical personnel work efficiency simultaneously.

Description

Puncture locator

Technical Field

The utility model belongs to the technical field of medical instrument, especially, relate to a puncture locator.

Background

With the wide application of the CT technology in chest physical examination, more and more small pulmonary nodules are discovered early, and the small pulmonary nodules which meet the surgical indication can be subjected to downlink lung wedge resection or lung segment resection in a thoracoscopic minimally invasive surgery. However, many pulmonary nodules are small, especially some intrapulmonary nodules and non-solid nodules, which are difficult to find during the operation and require precise positioning of the nodules before the operation.

At present, puncture positioning methods are various, and improper puncture methods result in long puncture time and are easy to cause various puncture complications. Currently, common positioning methods include a CT combined lung anatomy structure positioning method, preoperative combined software for lung three-dimensional reconstruction positioning, preoperative combined pulmonary vessel 3D printing technology for anatomical structure positioning, and most common preoperative puncture positioning methods, such as medical gel injection positioning, indocyanine green injection positioning, microcoil positioning and the like.

When the method is used for puncturing the tumor, positioning deviation and inaccurate puncturing points are easy to occur, and extra pain is caused to the patient.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to provide a locator, especially simple structure, convenient operation is applicable to the puncture location before the lung nodule, carries out position location to the lump earlier, carries out the direction location to the lump afterwards, and double-deck location fixes a position accurately, can fix a position the position of lump fast accurately, confirms the point of puncture, improves patient's comfort level, has improved medical personnel work efficiency's a puncture locator simultaneously.

In order to solve the technical problem, the utility model discloses a technical scheme is:

a puncture locator comprises a position locating device and a direction locating device, wherein the position locating device comprises a plurality of locating plates, a connecting column is arranged between every two adjacent locating plates and is flexibly connected with the locating plates, first fixing plates are arranged at two ends of the locating plates, a first fixing device is arranged at the bottom of each first fixing plate and is in contact with the surface skin of a patient, a locating mark is arranged on each locating plate and is developed under CT, the position locating device locates a puncture point, the position locating device is taken down and is used for conducting direction locating, the direction locating device comprises a locating rod, the locating rod is connected with a locating support through an angle adjusting device, a second fixing device is arranged at the bottom of the locating support and is in contact with the surface skin of the patient, and the bottom of the positioning rod is arranged at the puncture point.

Further, the location sign includes digit sign and direction sign, the locating plate is square column board, the digit sign is the column body, the digit sign cross-section is corresponding digit, the digit sign is arranged in the locating plate top, locating plate width direction is equipped with the spliced pole, first fixed plate upper surface is equipped with the direction sign, the direction sign is the column arch.

Furthermore, the adjacent positioning plates are connected through two connecting columns, the two connecting columns are respectively arranged at two ends of the positioning plates, and the length of each connecting column is 10 mm.

Furthermore, the spliced pole is the ring form cylinder, locating plate width direction is equipped with the connecting hole, the spliced pole with the connecting hole is coaxial, the spliced pole with the connecting hole passes through elastic cord swing joint.

Furthermore, the connecting column and the positioning plate are integrally formed, and the connecting column is made of a flexible material.

Furthermore, the positioning support comprises a first cross beam, a second cross beam, a first vertical beam and a second vertical beam, the first cross beam is parallel to the second cross beam, the first vertical beam and the second vertical beam are respectively arranged at two ends of the first cross beam and two ends of the second cross beam, the first vertical beam and the second vertical beam are respectively perpendicular to the first cross beam and the second cross beam, and the positioning rod is movably arranged in the middle of the first cross beam and the second cross beam.

Further, the angle adjusting device comprises a sliding knob, a first placing groove is formed in the upper surface and the lower surface of the first cross beam in a penetrating mode, a second placing groove is formed in the upper surface and the lower surface of the second cross beam in a penetrating mode, the positioning rod is arranged in the first placing groove and the second placing groove, a first fixing groove is formed in the front surface and the rear surface of the first cross beam in a penetrating mode, a second fixing groove is formed in the front surface and the rear surface of the second cross beam in a penetrating mode, a positioning groove is formed in the front surface and the rear surface of the positioning rod in a penetrating mode, the sliding knob comprises a first sliding knob and a second sliding knob, the first sliding knob is arranged in the first fixing groove and the positioning groove, and the second sliding knob is arranged in the second fixing groove and the positioning groove.

Furthermore, a second fixing plate is arranged at the bottom of each first vertical beam and the bottom of each second vertical beam, each second fixing plate is arranged in a T shape with the corresponding first vertical beam or the corresponding second vertical beam, and a second fixing device is arranged at the bottom of each second fixing plate.

Furthermore, the first fixing device is a dressing or a sucker, the dressing or the sucker is arranged on the bottom surface of the first fixing plate, and the structure of the second fixing device is the same as that of the first fixing device.

Furthermore, the bottom of the positioning rod is arranged in a pointed shape.

The utility model has the advantages and positive effects that:

1. the utility model has simple structure and convenient operation, designs the position positioning device into a digital shape, can be completely developed under CT, and is clear when medical personnel read and operate, thereby saving the time of counting steel wires on the CT screen and the time of counting steel wires on the chest wall of a patient by an operator, and being beneficial to quick and accurate positioning; after the position locating device is fixed, combine the CT location, correspond different digital sign respectively through each locating plate, there is distance locating device between each locating plate, the interval is balanced, easily calculate length, divide specific puncture point according to the region of different locating plates during the use, take off position locating device after, fixed direction locating device, make locating lever bottom and puncture point coincidence, combine the CT location, fix a position puncture direction, double-deck location, the location is accurate, can pinpoint the position of lump fast, confirm the puncture point, patient's comfort level is improved, medical personnel work efficiency has been improved simultaneously.

2. The utility model discloses well position positioner's spliced pole and locating plate flexonics fix position positioner when patient's body surface, and the spliced pole flexible makes position positioner whole crooked along with the undulation radian of human surface skin, and the laminating degree is high, and positioning accuracy is high.

3. The utility model discloses a first fixing device fixes position positioner on human skin, fixes direction positioner on human skin through second fixing device, ensures that the human body is at CT location in-process, and position positioner and direction positioner squint influence positioning accuracy.

4. The utility model discloses a locating lever bottom is the setting of point form, and the point column structure is sunken with patient's skin surface formation, and on the CT location, whether the line through judging sunken and lump is unanimous with the pointer direction to judge the puncture direction of pjncture needle.

5. The utility model discloses a material is polylactic acid, and polylactic acid is the medical material who makes disposable infusion apparatus, exempts from to tear open type operation stylolite, artificial fracture internal fixation device, safe and reliable, and has certain penetrability to the X line, and the scattering is few, does not produce the artifact, has can fully develop under the CT scanning, does benefit to the characteristics of location.

6. The utility model discloses disposable puncture success rate is high, and CT scanning number of times is few, has changed "detain syringe needle in the chest wall" mode scanning, changes into and adjusts the puncture direction outside human body table, has reduced patient's fear and pain.

Drawings

Fig. 1 is a schematic view of the overall structure of the position locating device according to the embodiment of the present invention.

Fig. 2 is a top view of the overall structure of the position positioning device according to the embodiment of the present invention.

Fig. 3 is a schematic view of the overall structure of the directional positioning device according to the embodiment of the present invention.

Fig. 4 is an elevation view of the overall structure of the directional positioning device according to the embodiment of the present invention.

In the figure:

1. digital mark 2, direction mark 3 and positioning plate

4. Spliced pole 5, first fixing device 6, first crossbeam

7. Positioning rod 8, first vertical beam 9 and second cross beam

10. Second fixed plate 11, second fixing device 12, second vertical beam

13. A first fixing plate 14, a first sliding knob 15, a first placing groove

16. Second placement groove 17, first fixing groove 18, second fixing groove

19. A positioning groove 20 and a second sliding knob.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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 should be noted that the terms "center", "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, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiments of the present invention will be further described with reference to the accompanying drawings:

as shown in fig. 1-4, a puncture locator includes a position locating device and a direction locating device. As shown in fig. 1 and 2, the position positioning device comprises a plurality of positioning plates 3, a connecting column 4 is arranged between every two adjacent positioning plates 3, the connecting column 4 is flexibly connected with the positioning plates 3, first fixing plates 13 are arranged on two sides of the positioning plates 3 at two ends, a first fixing device 5 is arranged at the bottom of each first fixing plate 13, the first fixing devices 5 are in contact with the surface skin of a patient, positioning marks are arranged on the positioning plates 3, the positioning marks are developed under a CT (computed tomography), and the position positioning device positions puncture points. The position positioning device is taken down, and the direction positioning device is used for direction positioning, as shown in fig. 3 and 4, the direction positioning device comprises a positioning rod 7, the positioning rod 7 is connected with a positioning bracket through an angle adjusting device, a second fixing device 11 is arranged at the bottom of the positioning bracket, and the second fixing device 11 is in contact with the surface skin of the patient, so that the bottom of the positioning rod 7 is arranged at a puncture point.

This embodiment is fixed the back with position location device, combine the CT location, correspond different digital sign 1 respectively through each locating plate 3, divide specific puncture point according to the region of different locating plates 3 during the use, after taking off position location device, fixed direction positioner, make 7 bottoms of locating lever and puncture point coincidence, combine the CT location, fix a position puncture direction, double-deck location, it is accurate to fix a position, can be fast the position of pinpointing the lump, confirm the puncture point, improve patient's comfort level, medical personnel work efficiency has been improved simultaneously.

As shown in fig. 1 and 2, the positioning plate 3 is a square columnar plate, the positioning plate 3 is provided with connecting columns 4 in the width direction, preferably, the positioning plate 3 provided by the embodiment is five, the adjacent positioning plates 3 are connected through the two connecting columns 4, the two connecting columns 4 are respectively arranged at two ends of the positioning plate 3, and the length of the connecting columns 4 provided by the embodiment is 10 mm. The connecting column 4 can be flexibly connected with the positioning plate 3 in various ways. The connecting column 4 can be a circular cylinder, a connecting hole is formed in the width direction of the positioning plate 3, the connecting column 4 and the connecting hole are coaxial, and the connecting column 4 and the connecting hole are movably connected through an elastic rope. The connecting column 4 and the positioning plate 3 can also be integrally formed, and the connecting column 4 is made of flexible materials.

In the embodiment, the connecting column 4 of the position positioning device is flexibly connected with the positioning plate 3, and when the position positioning device is fixed on the surface of the body of a patient, the connecting column 4 can be bent, so that the whole position positioning device is bent along with the fluctuation radian of the skin on the surface of the body, the fitting degree is high, and the positioning accuracy is high.

As shown in fig. 1 and 2, the positioning mark comprises a digital mark 1 and a direction mark 2, the positioning plate 3 is a square columnar plate, the digital mark 1 is a columnar body, the section of the digital mark 1 is a corresponding number, the digital mark 1 is arranged at the top of the positioning plate 3, the direction mark 2 is arranged on the upper surface of the first fixing plate 13, and the direction mark 2 is a columnar protrusion.

As shown in fig. 3 and 4, the positioning bracket includes a first cross beam 6, a second cross beam 9, a first vertical beam 8 and a second vertical beam 12, the first cross beam 6 and the second cross beam 9 are arranged in parallel, the first vertical beam 8 and the second vertical beam 12 are respectively arranged at two ends of the first cross beam 6 and the second cross beam 9, the first vertical beam 8 and the second vertical beam 12 are respectively arranged perpendicular to the first cross beam 6 and the second cross beam 9, and the positioning rod 7 is movably arranged in the middle of the first cross beam 6 and the second cross beam 9. Preferably, angle adjusting device includes the slip knob, and the surface runs through and is equipped with first standing groove 15 about first crossbeam 6, and the surface runs through and is equipped with second standing groove 16 about second crossbeam 6, and in first standing groove 15 and the second standing groove 16 were arranged in to locating lever 7, the surface runs through and is equipped with first fixed slot 17 around first crossbeam 6, and the surface runs through and is equipped with second fixed slot 18 around second crossbeam 9, and the surface runs through and is equipped with constant head tank 19 around locating lever 7. The sliding knob comprises a first sliding knob 14 and a second sliding knob 20, the first sliding knob 14 is disposed in the first fixing groove 17 and the positioning groove 19, and the second sliding knob 20 is disposed in the second fixing groove 18 and the positioning groove 19. Preferably, the bottoms of the first vertical beam 8 and the second vertical beam 12 are both provided with a second fixing plate 10, the second fixing plate 10 and the first vertical beam 8 or the second vertical beam 12 are both arranged in a T shape, and the bottom of the second fixing plate 10 is provided with a second fixing device 11.

The first fixing device 5 is a dressing or a sucker, the dressing or the sucker is arranged on the bottom surface of the first fixing plate 13, and the structure of the second fixing device 11 is the same as that of the first fixing device 5. In the embodiment, the position positioning device is fixed on the skin of a human body through the first fixing device 5, and the direction positioning device is fixed on the skin of the human body through the second fixing device 11, so that the position positioning device and the direction positioning device are deviated in the CT positioning process of the human body, and the positioning precision is influenced.

As shown in fig. 3 and 4, the positioning rod 7 is provided with a pointed bottom. The sharp structure forms a depression on the surface of the skin of the patient, and the puncture direction of the puncture needle is judged by judging whether the connecting line of the depression and the tumor is consistent with the direction of the pointer on the aspect of CT positioning.

The utility model discloses a theory of operation is:

according to the CT result before operation, the approximate position of the shortest projection path of the tumor outside the chest wall is drawn up. At the selected position, the position fixing device is fixed by the first fixing device 5 and is guaranteed to be free from directional deviation according to the direction indication 2 on the position fixing device, i.e. the directions of the head, the foot and the arrow. And performing first scanning of CT positioning examination, determining the positions of the tumor and the digital identifier 1 on the position positioning device, and accurately positioning and marking the puncture point.

The position positioning device is taken down, the direction positioning device is fixed through the second fixing device 11, the tip of the positioning rod 7 is arranged at a puncture point, the positioning rod 7 is pressed down gently to form a recess on the skin of a patient, whether the connecting line of the recess and the tumor is consistent with the direction of the pointer or not is judged on the CT, if so, the puncture operation can be carried out, if not, the sliding knob is adjusted through adjusting the sliding knob, and then the sliding knob is fixed until the connecting line of the recess and the tumor is consistent with the direction of the pointer.

The utility model has the advantages and positive effects that:

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. A puncture locator, characterized in that: comprises a position positioning device and a direction positioning device, wherein the position positioning device comprises a plurality of positioning plates, connecting columns are arranged between every two adjacent positioning plates, the connecting column is flexibly connected with the positioning plate, two sides of the positioning plate at two ends are provided with first fixing plates, the bottom of the first fixing plate is provided with a first fixing device which is contacted with the surface skin of the patient, the positioning plate is provided with a positioning mark which is developed under CT, the position positioning device positions the puncture point, the position positioning device is taken down, the direction positioning device is used for direction positioning, the direction positioning device comprises a positioning rod which is connected with a positioning bracket through an angle adjusting device, and a second fixing device is arranged at the bottom of the positioning bracket and is in contact with the skin on the surface of the patient, so that the bottom of the positioning rod is arranged at the puncture point.

2. A puncture locator according to claim 1, wherein: the utility model discloses a positioning device, including first fixed plate, locating plate, reference column, locating plate width direction, first fixed plate upper surface is equipped with the reference column, the locating plate includes digital identification and direction sign, the locating plate is square column board, the digital identification is the column body, the digital identification cross-section is corresponding digit, the digital identification is arranged in the locating plate top, locating plate width direction is equipped with the spliced pole, first fixed plate upper surface is equipped with the direction sign, the direction sign is the column arch.

3. A puncture locator according to claim 1 or 2, wherein: the adjacent positioning plates are connected through two connecting columns, the two connecting columns are arranged at two ends of the positioning plates respectively, and the length of each connecting column is 10 mm.

4. A puncture locator according to claim 3, wherein: the spliced pole is the ring form cylinder, locating plate width direction is equipped with the connecting hole, the spliced pole with the connecting hole is coaxial, the spliced pole with the connecting hole passes through elastic cord swing joint.

5. A puncture locator according to claim 3, wherein: the connecting column and the positioning plate are integrally formed, and the connecting column is made of flexible materials.

6. A puncture locator according to claim 1, 2, 4 or 5, wherein: the positioning support comprises a first cross beam, a second cross beam, a first vertical beam and a second vertical beam, the first cross beam is parallel to the second cross beam, the first vertical beam and the second vertical beam are respectively arranged at two ends of the first cross beam and two ends of the second cross beam, the first vertical beam and the second vertical beam are respectively arranged at two ends of the first cross beam and the second cross beam, and the positioning rod is movably arranged at the middle of the first cross beam and the second cross beam.

7. A puncture locator according to claim 6, wherein: the angle adjusting device comprises a sliding knob, wherein a first placing groove is formed in the upper surface and the lower surface of a first cross beam in a penetrating mode, a second placing groove is formed in the upper surface and the lower surface of a second cross beam in a penetrating mode, a positioning rod is arranged in the first placing groove and the second placing groove, a first fixing groove is formed in the front surface and the rear surface of the first cross beam in a penetrating mode, a second fixing groove is formed in the front surface and the rear surface of the second cross beam in a penetrating mode, a positioning groove is formed in the front surface and the rear surface of the positioning rod in a penetrating mode, the sliding knob comprises a first sliding knob and a second sliding knob, the first sliding knob is arranged in the first fixing groove and the positioning groove, and the second sliding knob is arranged in the second fixing groove and the positioning groove.

8. A puncture locator according to claim 7, wherein: the first vertical beam and the second vertical beam are provided with second fixing plates at the bottoms, the second fixing plates are arranged in a T shape, and the second fixing plates are provided with second fixing devices at the bottoms.

9. A puncture locator according to claim 1, 2, 4, 5, 7 or 8, wherein: the first fixing device is a dressing or a sucker, the dressing or the sucker is arranged on the bottom surface of the first fixing plate, and the structure of the second fixing device is the same as that of the first fixing device.

10. A puncture locator according to claim 1, 2, 4, 5, 7 or 8, wherein: the bottom of the positioning rod is arranged in a pointed shape.