CN213283259U

CN213283259U - Lumbar vertebra positioning and puncturing device

Info

Publication number: CN213283259U
Application number: CN202021710401.3U
Authority: CN
Inventors: 陈振华; 崔沙沙; 严红燕; 张毅
Original assignee: Nantong First Peoples Hospital
Current assignee: Nantong First Peoples Hospital
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-05-28
Anticipated expiration: 2030-08-17

Abstract

The utility model discloses a lumbar vertebrae location piercing depth, including cushion cap and a location section of thick bamboo, the below of cushion cap is provided with the fixed plate, and the fixed plate all installs the bolt in both sides about, the below of bolt is provided with the nut, the top of cushion cap is provided with flexible cover, and installs the extrusion screw on the left of flexible cover, the top of flexible cover is provided with the telescopic shaft, and the outside of telescopic shaft is provided with the scale mark, the right-hand motor that is provided with of fixed screw, and the right-hand pivot that is provided with of motor, the right of pivot is connected with ball, and ball's the outside is provided with the slider, slider upper surface middle part is provided with the scale plate, and scale plate right side surface is provided with the angle line, the intermediate junction in scale plate right has the extrusion pivot, a location section of thick bamboo sets up in the right. The utility model discloses set up a location section of thick bamboo, medical staff can confirm the concrete position of puncture through a location section of thick bamboo, and a location section of thick bamboo guarantees to be difficult for crooked when the puncture.

Description

Lumbar vertebra positioning and puncturing device

Technical Field

The utility model relates to a lumbar vertebrae puncture positioner technical field specifically is a lumbar vertebrae location piercing depth.

Background

At present, when a patient needs to do lumbar puncture, a puncture needle usually passes through the third or the fourth or the fifth intervertebral space of the lumbar of a human body to complete the puncture operation. Because the space between the vertebral bodies is very narrow, if the position is not found correctly, the continuous puncture is sometimes not successful for several times, and great pain is brought to the patient. In the process of puncturing, a doctor needs to concentrate attention, skilled operation experience is provided, the difficulty of operation is high, after puncturing and liquid taking, a medicament needs to be injected, and a patient feels high pain after multiple operations.

The lumbar puncture positioning device on the market is not suitable for adjusting the proper position according to the sitting posture or the prone posture of a patient in the using process, the patient is required to be in a specific posture to puncture successfully, and when a vertebral body gap is searched, a proportional tool convenient to operate is not provided, so that medical staff can operate difficultly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lumbar vertebrae location piercing depth to should not adjust the appropriate position according to patient's position of sitting or prone position in solving the lumbar vertebrae puncture positioner who provides among the above-mentioned background art use, and need the patient to carry out specific posture and just can puncture successfully, when looking for the centrum clearance, do not provide convenient operation's ratio volume instrument, make the difficult problem of operating of medical staff.

In order to achieve the above object, the utility model provides a following technical scheme: a lumbar vertebra positioning puncture device comprises a bearing platform and a positioning cylinder, wherein a fixed plate is arranged below the bearing platform, bolts are arranged on the left side and the right side of the fixed plate, nuts are arranged below the bolts, a telescopic sleeve is arranged above the bearing platform, an extrusion screw is arranged on the left side of the telescopic sleeve, a telescopic shaft is arranged above the telescopic sleeve, scale marks are arranged on the outer side of the telescopic shaft, a rotating rod is arranged above the telescopic shaft, a fixing screw is arranged on the right side of the upper surface of the rotating rod, a motor is arranged on the right side of the fixing screw, a rotating shaft is arranged on the right side of the motor, a ball screw is connected to the right side of the rotating shaft, a sliding block is arranged on the outer side of the ball screw, a scale plate is arranged in the middle of the upper surface of the sliding block, an angle line is arranged on the right, the positioning cylinder is arranged on the right side of the extrusion rotating shaft.

Preferably, the bolts penetrate through the bearing platform and the fixing plate, and the bolts are symmetrical left and right about the vertical center line of the bearing platform.

Preferably, a telescopic structure is formed between the telescopic shaft and the telescopic sleeve, and the telescopic sleeve is in threaded connection with the extrusion screw.

Preferably, the lower surface of dwang closely laminates with the upper surface of telescopic shaft, and the motor overall dimension is identical with the upper surface dimension of dwang.

Preferably, the motor forms a rotating structure with the ball screw through the rotating shaft, and the ball screw penetrates through the inside of the slider.

Preferably, a rotating structure is formed between the extrusion rotating shaft and the positioning cylinder, and a semi-surrounding structure is formed between the extrusion rotating shaft and the positioning cylinder.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the lumbar positioning puncture device is provided with a fixing plate, the whole device can be clamped on a bed board of a hospital bed or other suitable positions through the connection of the fixing plate and a bolt with a bearing platform, meanwhile, the bolt can be loosened to take down the whole device for maintenance or disinfection when the device is idle, a telescopic shaft is arranged, medical staff can determine the position of a third or fourth or fifth intervertebral space of the lumbar according to the B-ultrasound of the lumbar of a patient, and then the upper and lower positions are adjusted and fixed according to scale marks on the telescopic shaft;

2. the medical device is provided with the ball screw, a medical worker can start the motor to ensure that the slide block moves left and right on the ball screw to determine the final position of the lumbar vertebra gap according to the lumbar vertebra B ultrasonic of the patient, and the slide block can be positioned more accurately according to the scale on the rotary rod;

3. set up a location section of thick bamboo, medical staff can confirm the concrete position of puncture through a location section of thick bamboo, and a location section of thick bamboo guarantees to be difficult for crooked when the puncture to a location section of thick bamboo can utilize the angle line on extrusion pivot and the scale plate to carry out appropriate rotation angle when needing, in addition, can in time take off a location section of thick bamboo from the extrusion pivot after the puncture is accomplished, in time disinfect or change.

Drawings

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

FIG. 2 is a schematic view of the present invention at a position partially enlarged in FIG. 1A;

fig. 3 is a schematic view of the right side view structure of the positioning cylinder of the present invention.

In the figure: 1. a bearing platform; 2. a fixing plate; 3. a nut; 4. a telescopic sleeve; 5. extruding the screw; 6. a telescopic shaft; 7. scale lines; 8. rotating the rod; 9. fixing screws; 10. a motor; 11. a rotating shaft; 12. a ball screw; 13. a slider; 14. a positioning cylinder; 15. extruding the rotating shaft; 16. a scale plate; 17. an angle line; 18. and (4) bolts.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a lumbar vertebra positioning puncture device comprises a bearing platform 1, a fixed plate 2, a nut 3, a telescopic sleeve 4, an extrusion screw 5, a telescopic shaft 6, scale marks 7, a rotating rod 8, a fixed screw 9, a motor 10, a rotating shaft 11, a ball screw 12, a sliding block 13, a positioning cylinder 14, an extrusion rotating shaft 15, a scale plate 16, angle lines 17 and bolts 18, wherein the fixed plate 2 is arranged below the bearing platform 1, the bolts 18 are respectively arranged at the left side and the right side of the fixed plate 2, the nut 3 is arranged below the bolt 18, the telescopic sleeve 4 is arranged above the bearing platform 1, the extrusion screw 5 is arranged at the left side of the telescopic sleeve 4, the telescopic shaft 6 is arranged above the telescopic sleeve 4, the scale marks 7 are arranged at the outer side of the telescopic shaft 6, the rotating rod 8 is arranged above the telescopic shaft 6, the fixed screw 9 is arranged at the right side of the upper surface of the rotating rod 8, the motor, a rotating shaft 11 is arranged on the right of the motor 10, a ball screw 12 is connected to the right of the rotating shaft 11, a sliding block 13 is arranged on the outer side of the ball screw 12, a scale plate 16 is arranged in the middle of the upper surface of the sliding block 13, an angle line 17 is arranged on the right side surface of the scale plate 16, an extrusion rotating shaft 15 is connected to the middle of the right of the scale plate 16, and a positioning cylinder 14 is arranged on the right of the extrusion rotating shaft 15;

the bolt 18 penetrates through the inner parts of the bearing platform 1 and the fixed plate 2, the bolt 18 is bilaterally symmetrical about the vertical central line of the bearing platform 1, the fixed plate 2 is arranged, the whole device can be clamped on a bed board of a hospital bed or other suitable positions through the connection of the fixed plate 2 and the bolt 18 with the bearing platform 1, meanwhile, the bolt 18 can be loosened to take down the whole device for maintenance or disinfection when the device is idle, a telescopic structure is formed between the telescopic shaft 6 and the telescopic sleeve 4, the telescopic sleeve 4 is in threaded connection with the extrusion screw 5, the telescopic shaft 6 is arranged, medical staff can determine the position of the third, the fourth or the fifth intervertebral space of the lumbar according to the B-type super of the lumbar of a patient, then the vertical position adjustment is carried out and the fixation is carried out according to the scale mark 7 on the telescopic shaft 6, the lower surface of the rotary rod 8 is tightly attached to the upper surface of the telescopic shaft 6, and the, the rotating rod 8 is arranged, the rotating rod 8 can rotate around the fixing screw 9, the rotating rod 8 can rotate to be parallel to the back surface of a patient in a sitting posture state of the patient and is fixed through the fixing screw 9, unnecessary movement of the patient is reduced, and the accuracy of the telescopic shaft 6 after up-and-down adjustment is prevented from being reduced;

the motor 10 and the ball screw 12 form a rotating structure through the rotating shaft 11, the ball screw 12 penetrates through the slide block 13, the ball screw 12 is arranged, medical staff can start the motor 10 to ensure that the slide block 13 determines the final position of the lumbar intervertebral space according to the left and right movement of the lumbar vertebra B ultrasonic of a patient on the ball screw 12, the slide block 13 can be positioned more accurately according to the scale on the rotating rod 8, a rotating structure is formed between the extrusion rotating shaft 15 and the positioning cylinder 14, a semi-surrounding structure is formed between the extrusion rotating shaft 15 and the positioning cylinder 14, the positioning cylinder 14 is arranged, the medical staff can determine the specific puncture position through the positioning cylinder 14, the positioning cylinder 14 ensures that the puncture is not easy to skew, and the positioning cylinder 14 can use the extrusion rotating shaft 15 and the angle line 17 on the scale plate 16 to perform proper rotating angle when needed, in addition, the positioning cylinder 14 can be timely taken down from the extrusion rotating shaft 15, and sterilizing or replacing in time.

The working principle is as follows: for the lumbar vertebra positioning puncture device, firstly, the nut 3 rotates clockwise on the bolt 18 to extrude the fixed plate 2, so that the space between the bearing platform 1 and the fixed plate 2 becomes smaller, the whole device is clamped at a proper position, then the medical staff determines the position of the third, the fourth or the fifth intervertebral space of the lumbar vertebra and the corresponding distance according to the B ultrasonic wave of the lumbar vertebra of the patient, the telescopic shaft 6 moves upwards from the telescopic sleeve 4, the final position of the telescopic shaft 6 is determined according to the scale mark 7 on the telescopic shaft 6, then the telescopic shaft 6 is fixed by rotating the extrusion screw 5, then the rotating rod 8 rotates around the fixing screw 9 to be parallel to the back surface of the patient, the rotating position of the rotating rod 8 is fixed through the fixing screw 9, then the medical staff rotates according to the left and right positions or the corresponding distance related to the B ultrasonic wave of the lumbar vertebra of the patient and the scale on the rotating rod 8, starting the motor 10, the motor 10 drives the ball screw 12 to rotate through the rotating shaft 11, at this time, the ball screw 12 is used as an active body, the slide block 13 is converted into linear motion along with the rotation of the ball screw 12 according to the lead of the corresponding specification, and the positioning in the linear motion process is more accurate, which meets the requirement of accurate positioning of the lumbar intervertebral space during lumbar puncture, when the ball screw 12 rotates clockwise, the slide block 13 moves leftwards, when the ball screw 12 rotates anticlockwise, the slide block 13 moves rightwards, the final position of the lumbar intervertebral space is determined, then the pointed position of the positioning cylinder 14 is the specific position of the puncture, in addition, when necessary, medical staff can rotate the positioning cylinder 14 by a proper angle according to the lumbar vertebra B-ultrasound of a patient by utilizing the angle line 17 on the extrusion rotating shaft 15 and the scale plate 16, and the extrusion rotating shaft 15 can keep the positioning cylinder still through the friction force generated by the extrusion of the gasket in the extrusion, then, the lumbar puncture can be carried out along the inside of the positioning cylinder 14, and the whole lumbar positioning puncture device is used.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lumbar vertebrae location piercing depth, includes cushion cap (1) and location section of thick bamboo (14), its characterized in that: the bearing platform is characterized in that a fixing plate (2) is arranged below the bearing platform (1), bolts (18) are installed on the left side and the right side of the fixing plate (2), nuts (3) are arranged below the bolts (18), a telescopic sleeve (4) is arranged above the bearing platform (1), an extrusion screw (5) is installed on the left side of the telescopic sleeve (4), a telescopic shaft (6) is arranged above the telescopic sleeve (4), scale marks (7) are arranged on the outer side of the telescopic shaft (6), a rotating rod (8) is installed above the telescopic shaft (6), a fixing screw (9) is arranged on the right side of the upper surface of the rotating rod (8), a motor (10) is arranged on the right side of the fixing screw (9), a rotating shaft (11) is arranged on the right side of the motor (10), a ball screw (12) is connected to the right side of the rotating shaft (11), and a sliding block (13) is arranged on the outer, slider (13) upper surface middle part is provided with scale plate (16), and scale plate (16) right side surface is provided with angle line (17), the intermediate junction in scale plate (16) the right has extrusion pivot (15), a location section of thick bamboo (14) set up in the right of extrusion pivot (15).

2. The lumbar positioning puncture device of claim 1, wherein: the bolts (18) penetrate through the bearing platform (1) and the fixing plate (2), and the bolts (18) are bilaterally symmetrical about the vertical center line of the bearing platform (1).

3. The lumbar positioning puncture device of claim 1, wherein: an expansion structure is formed between the expansion shaft (6) and the expansion sleeve (4), and the expansion sleeve (4) is in threaded connection with the extrusion screw (5).

4. The lumbar positioning puncture device of claim 1, wherein: the lower surface of dwang (8) closely laminates with the upper surface of telescopic shaft (6), and motor (10) overall dimension is identical with the upper surface dimension of dwang (8).

5. The lumbar positioning puncture device of claim 1, wherein: the motor (10) and the ball screw (12) form a rotating structure through the rotating shaft (11), and the ball screw (12) penetrates through the inside of the sliding block (13).

6. The lumbar positioning puncture device of claim 1, wherein: a rotating structure is formed between the extrusion rotating shaft (15) and the positioning cylinder (14), and a semi-surrounding structure is formed between the extrusion rotating shaft (15) and the positioning cylinder (14).