CN214805194U

CN214805194U - Puncture needle guiding device with positioning mechanism for CT nuclear magnetic room

Info

Publication number: CN214805194U
Application number: CN202023174022.XU
Authority: CN
Inventors: 张梦琪; 玉苏甫·肉孜; 刘烁; 李晶晶
Original assignee: Peoples Hospital of Xinjiang Uygur Autonomous Region
Current assignee: Peoples Hospital of Xinjiang Uygur Autonomous Region
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-11-23
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses a puncture needle guiding device with a positioning mechanism for a CT nuclear magnetism room, which comprises a support plate, a main body frame, a rotating gear and a positioning ring, wherein sliding grooves are arranged on both sides of the upper surface of the support plate, sliding blocks are arranged in the sliding grooves, the main body frame is fixedly connected on the upper surface of the sliding blocks, the rotating gear is rotatably connected on both sides of the upper surface of the support plate, the rotating gear is rotatably connected with a rotating rod I, the rotating gear can be manually rotated through the arranged rotating gear, the rotating gear I on the surface of the rotating gear can be rotated by controlling the rotating speed of the rotating gear, the position of the puncture needle can be adjusted through the matching between the rotating rod I and the rotating rod II through the arranged rotating rod I and the rotating rod II, the rotating gear can be controlled in this way, and the position of the puncture needle can be controlled, this provides easier control of penetration depth than manual direct penetration.

Description

Puncture needle guiding device with positioning mechanism for CT nuclear magnetic room

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a puncture needle guiding device with a positioning mechanism for a CT nuclear magnetic room.

Background

The puncture needle is a medical instrument for sampling and injecting tissues of various organs such as kidney, liver, lung, mammary gland, thyroid gland, prostate, pancreas, testis, uterus, ovary, body surface and the like in minimally invasive surgery.

In the process of a neck vein puncture needle, the puncture needle needs to be inserted into a neck vein of a patient, medicine needing to be injected is input into the body of the patient, the puncture needle is generally inserted into the neck vein of the patient manually by a doctor at present, the puncture force cannot be accurately controlled in the mode, the puncture depth of the puncture needle cannot be accurately controlled, and on the other hand, the puncture needle can move in the puncture process, so that the puncture effect is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a CT is pjncture needle guiding device with positioning mechanism for nuclear-magnetism room to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a CT nuclear-magnetism room is with pjncture needle guiding device that has positioning mechanism, includes backup pad, main part frame, rolling gear and holding ring, the sliding tray has all been seted up to backup pad upper surface both sides, the inside sliding block that is provided with of sliding tray, fixed surface is connected with the main part frame on the sliding block, backup pad upper surface both sides all rotate and are connected with rolling gear, rolling gear upper surface rotates and is connected with dwang one, the dwang other end rotates and is connected with dwang two, fixed surface is connected with the main part frame on the dwang two, main part frame one side is provided with the opening, the inside connecting axle that is provided with of main part frame, the equal threaded connection in connecting axle both ends has adjusting nut, run through in the middle of the connecting axle and be provided with the shift ring, shift ring fixed surface is connected with puncture pipe.

As a further aspect of the present invention: the connecting shaft is characterized in that two ends of the connecting shaft are fixedly connected with fixing rings, one side of each fixing ring is fixedly connected with a limiting spring, the other end of each limiting spring is fixedly connected to the side edge of the corresponding positioning ring, and one side of each positioning ring is fixedly connected with a pull ring.

As a further aspect of the present invention: the equal fixedly connected with spacing ring in main part frame both sides, spacing ring inside surface is provided with spacing draw-in groove, the holding ring outside is provided with spacing latch.

As a further aspect of the present invention: the utility model discloses a support plate, including backup pad upper surface, backup pad upper surface both sides all fixedly connected with scale plate, scale plate upper surface is provided with the pointer, pointer one end fixed connection is at main part frame side.

As a further aspect of the present invention: the surface of the rotating gear is provided with a limiting hole, a limiting rod is arranged in the limiting hole, and the bottom end of the limiting rod is arranged in a screw hole in the upper surface of the supporting plate.

As a further aspect of the present invention: one side of the main body frame is hinged with a protective door through a hinge.

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

1. the rotating gear can be manually rotated through the arranged rotating gear, the rotating rod I on the surface of the rotating gear can be rotated by controlling the rotating speed of the rotating gear, and the rotating rod I and the rotating rod II can be matched with each other to move two positions of the rotating rod, so that the position of the puncture needle can be adjusted;

2. the limiting latch and the limiting clamping groove can be clamped into the limiting clamping groove through the limiting latch, and the rotation of the connecting shaft can be avoided, so that the situation that the puncture needle rotates in the puncturing process can be avoided;

3. through the spacing hole and the gag lever post that set up, can be through inserting the gag lever post spacing downthehole, can realize the fixed to the rotating gear position, thereby can avoid puncture needle position to remove, but the pointer through the scale plate that sets up, can be through the pointer numerical value of instructing on the scale plate, the observation pjncture needle that can be accurate pierces the degree of depth, through the adjusting nut who sets up, can adjust the position of shift ring through twisting adjusting nut, thereby can realize adjusting the position of pjncture needle on connecting the hub.

Drawings

FIG. 1 is a schematic structural view of a puncture needle guide device with a positioning mechanism for a CT nuclear magnetic resonance chamber;

FIG. 2 is a cross-sectional view of a needle guide with a positioning mechanism for a CT nuclear magnetic resonance chamber;

FIG. 3 is an enlarged view of A of a puncture needle guide device with a positioning mechanism for a CT nuclear magnetic resonance chamber;

FIG. 4 is a side view of a stop collar in a needle guide with a positioning mechanism for a CT nuclear magnetic resonance chamber;

FIG. 5 is a plan view of a rotary gear in the puncture needle guide device with a positioning mechanism for the CT nuclear magnetic resonance chamber;

in the figure: 1. a support plate; 2. a slider; 3. a sliding groove; 4. a rotating gear; 5. a main body frame; 6. a connecting shaft; 7. adjusting the nut; 8. a moving ring; 9. a puncture tube; 10. a fixing ring; 11. a limiting spring; 12. a limiting ring; 13. a limiting clamping groove; 14. limiting latch teeth; 15. rotating the first rod; 16. rotating the second rod; 17. a scale plate; 18. an indicator needle; 19. a limiting hole; 20. a limiting rod; 21. a protective door; 22. a hinge; 23. a retaining ring.

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 to 5, in an embodiment of the present invention, a puncture needle guiding device with a positioning mechanism for a CT nuclear magnetic resonance chamber includes a supporting plate 1, a main body frame 5, a rotating gear 4 and a positioning ring 23, wherein both sides of the upper surface of the supporting plate 1 are respectively provided with a sliding groove 3, a sliding block 2 is arranged inside the sliding groove 3, the upper surface of the sliding block 2 is fixedly connected with the main body frame 5, both sides of the upper surface of the supporting plate 1 are respectively and rotatably connected with the rotating gear 4, the rotating gear 4 can be manually rotated, and the rotating rod one 15 on the surface of the rotating gear 4 can be rotated by controlling the rotating speed of the rotating gear 4, the upper surface of the rotating gear 4 is rotatably connected with the rotating rod one 15, the other end of the rotating rod one 15 is rotatably connected with the rotating rod two 16, and the rotating rod two 16 can be moved by the matching between the rotating rod one 15 and the rotating rod two 16, so as to adjust the position of the puncture needle, can control the 4 rotational speeds of transmitting gear through this kind of mode, realize the position of control pjncture needle, compare in the mode of manual direct puncture, the depth of penetration is controlled more easily to this kind of mode, fixed surface is connected with main part frame 5 on the dwang two 16, main part frame 5 one side is provided with the opening, main part frame 5 inside is provided with connecting axle 6, the equal threaded connection in connecting axle 6 both ends has adjusting nut 7, through twisting adjusting nut 7, can adjust the position of shift ring 8, thereby can realize adjusting the position of pjncture needle on connecting axle 6, it is provided with shift ring 8 to run through in the middle of the connecting

axle

6, 8 fixed surface of shift ring is connected with puncture pipe 9, can rotate through connecting axle 6, realize adjusting the position of puncture pipe 9.

Preferably, the fixing rings 10 are fixedly connected to the two ends of the connecting shaft 6, the limiting spring 11 is fixedly connected to one side of the fixing ring 10, the other end of the limiting spring 11 is fixedly connected to the side edge of the positioning ring 23, the pull ring fixedly connected to one side of the positioning ring 23 can be pulled, the limiting latch 14 and the limiting clamping groove 13 can be separated, the connecting shaft 6 can be rotated, and the position of the puncture needle can be adjusted.

Preferably, the two sides of the main body frame 5 are fixedly connected with limit rings 12, the inner side surfaces of the limit rings 12 are provided with limit clamping grooves 13, limit clamping teeth 14 are arranged on the outer sides of the positioning rings 23, the limit clamping teeth 14 are clamped into the limit clamping grooves 13, the connecting shaft 6 can be prevented from rotating, and therefore the situation that the puncture needle rotates in the puncturing process can be avoided.

Preferably, the equal fixedly connected with scale plate 17 in backup pad 1 upper surface both sides, scale plate 17 upper surface are provided with pointer 18, and pointer 18 one end fixed connection is in main part frame 5 side, through observing pointer 18 and instructing numerical value on scale plate 17, observation pjncture needle that can be accurate pierces the degree of depth.

Preferably, the surface of the rotating gear 4 is provided with a limiting hole 19, a limiting rod 20 is arranged in the limiting hole 19, the bottom end of the limiting rod 20 is arranged in a screw hole on the upper surface of the support plate 1, and the limiting rod 20 is inserted into the limiting hole 19, so that the position of the rotating gear 4 can be fixed, and the puncture needle can be prevented from moving.

Preferably, a protective door 21 is hinged on one side of the main body frame 5 through a hinge 22, so that a user can open the main body frame 5 conveniently.

The utility model discloses a theory of operation is:

when the puncture needle is used, the puncture needle is directly inserted into the puncture tube 9 from the opening on one side of the main body frame 5, the adjusting nut 7 is screwed to adjust the position of the moving ring 8, so that the position of the puncture needle on the connecting shaft 6 can be adjusted, the pull ring on one side of the positioning ring 23 is pulled, the limiting latch 14 and the limiting slot 13 can be separated, the connecting shaft 6 can be rotated, the position of the puncture needle can be adjusted, the limiting latch 14 can be pulled into the limiting slot 13 through the elastic force between the limiting springs 11, the limiting latch 14 is clamped into the limiting slot 13 through the limiting latch 14, the connecting shaft 6 can be prevented from rotating, so that the puncture needle can be prevented from rotating in the puncturing process, after the position of the puncture needle is adjusted, the rotating gear 4 is manually rotated, and the rotating rod one 15 on the surface of the rotating gear 4 can be rotated by controlling the rotating speed of the rotating gear 4, through the cooperation between dwang 15 and the dwang two 16, can make dwang two 16 position removal, thereby can adjust the position of pjncture needle, 4 rotational speeds of slewing gear can be controlled through this kind of mode, realize the position of control pjncture needle, compare in the mode of manual direct puncture, the degree of depth is pierced in the easier control of this kind of mode, in the process of piercing, instruct numerical value on scale 17 through observing the pointer 18, the degree of depth is pierced to observation pjncture needle that can be accurate, through inserting limiting rod 20 in spacing hole 19, can realize the fixed to 4 positions of slewing gear, thereby can avoid the puncture needle position to remove.

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. The utility model provides a CT is puncture needle guiding device with positioning mechanism for nuclear magnetism room, includes backup pad (1), main part frame (5), bull gear (4) and holding ring (23), its characterized in that: both sides of the upper surface of the supporting plate (1) are provided with sliding grooves (3), sliding blocks (2) are arranged in the sliding grooves (3), the upper surface of the sliding block (2) is fixedly connected with a main body frame (5), both sides of the upper surface of the supporting plate (1) are rotatably connected with rotating gears (4), the upper surface of the rotating gear (4) is rotatably connected with a rotating rod I (15), the other end of the rotating rod I (15) is rotatably connected with a rotating rod II (16), the upper surface of the second rotating rod (16) is fixedly connected with a main body frame (5), one side of the main body frame (5) is provided with an opening, a connecting shaft (6) is arranged in the main body frame (5), two ends of the connecting shaft (6) are both in threaded connection with adjusting nuts (7), a moving ring (8) penetrates through the middle of the connecting shaft (6), and a puncture tube (9) is fixedly connected to the surface of the moving ring (8).

2. The puncture needle guide device with a positioning mechanism for a CT nuclear magnetic resonance room according to claim 1, characterized in that: the connecting shaft (6) is characterized in that two ends of the connecting shaft are fixedly connected with fixing rings (10), one side of each fixing ring (10) is fixedly connected with a limiting spring (11), the other end of each limiting spring (11) is fixedly connected to the side of a positioning ring (23), and one side of each positioning ring (23) is fixedly connected with a pull ring.

3. The puncture needle guide device with a positioning mechanism for a CT nuclear magnetic resonance room according to claim 1, characterized in that: the equal fixedly connected with spacing ring (12) in main part frame (5) both sides, spacing ring (12) inboard surface is provided with spacing draw-in groove (13), locating ring (23) outside is provided with spacing latch (14).

4. The puncture needle guide device with a positioning mechanism for a CT nuclear magnetic resonance room according to claim 1, characterized in that: the utility model discloses a support plate, including backup pad (1), backup pad upper surface both sides all fixedly connected with scale plate (17), scale plate (17) upper surface is provided with pointer (18), pointer (18) one end fixed connection is in main part frame (5) side.

5. The puncture needle guide device with a positioning mechanism for a CT nuclear magnetic resonance room according to claim 1, characterized in that: the surface of the rotating gear (4) is provided with a limiting hole (19), a limiting rod (20) is arranged in the limiting hole (19), and the bottom end of the limiting rod (20) is arranged in a screw hole in the upper surface of the supporting plate (1).

6. The puncture needle guide device with a positioning mechanism for a CT nuclear magnetic resonance room according to claim 1, characterized in that: one side of the main body frame (5) is hinged with a protective door (21) through a hinge (22).