CN218075156U

CN218075156U - Puncture needle fixing device

Info

Publication number: CN218075156U
Application number: CN202221685399.8U
Authority: CN
Inventors: 兰海; 刘婷; 张知剑; 张俊清; 许达
Original assignee: Chengdu Wenjiang District Peoples Hospital
Current assignee: Chengdu Wenjiang District Peoples Hospital
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2022-12-20
Anticipated expiration: 2032-07-01

Abstract

The utility model discloses a pjncture needle fixing device, concretely relates to medical apparatus technical field, comprising a base plate, bottom plate bottom four corners all is equipped with locating component, the inside opening of having run through of bottom plate has been seted up, the opening rear side is equipped with the fixed plate, fixed plate bottom and bottom plate top fixed connection, the recess has been seted up to the fixed plate front side, the inside threaded rod that is equipped with of recess, the threaded rod both ends all through the bearing respectively with recess both sides inner wall swing joint. The utility model discloses an operating threaded rod drives two slides on it and drives corresponding grip blocks and fix spacingly to the puncture needle, later through the rotation of lead screw again, orders about magnet propelling movement magnetism on the nut seat and inhale complex extrusion iron sheet and extrude spacingly to puncture needle top both sides, and overall structure carries out dual fixed spacingly to puncture needle bottom and top respectively through two grip blocks and two extrusion iron sheets to this stability that improves the puncture needle.

Description

Puncture needle fixing device

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a puncture needle fixing device.

Background

The directionality of ultrasonic waves can accurately position pathological changes, and can observe dynamic changes of tissue anatomical structures in real time, and the accuracy and the safety of the ultrasonic wave are incomparable with other imaging means, so that an ultrasonic guided puncture technology comes along, the technology is a clinical technology for puncturing in vivo pathological changes or targets under the monitoring and the guidance of real-time ultrasonic images, and the specific method is to accurately penetrate a puncture needle into pathological change tissues to treat or suck out and cut a small amount of cells or tissues to carry out pathological examination under the guidance of the ultrasonic images and avoid important organs and larger vascular nerves.

The existing puncture needle needs to be kept in a patient body for a long time, the needle is held for a long time to be fixed, the hand fatigue condition can occur, the stability of the puncture needle can be further influenced, the puncture needle is caused to shift, the puncture effect is influenced, the patient is damaged, and therefore the puncture needle fixing device is needed for improving the puncture stability.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's above-mentioned defect, the utility model provides a pjncture needle fixing device, it drives corresponding grip block and fixes spacingly to the puncture needle to drive two slides above that through the operating screw pole, later the rotation through the lead screw again, it inhales complex extrusion iron sheet and extrudees spacingly to puncture needle top both sides to order about magnet propelling movement magnetism on the nut seat, and overall structure carries out dual fixed spacingly to puncture needle bottom and top respectively through two grip blocks and two extrusion iron sheets, with this stability that improves the pjncture needle, with the problem that appears in solving above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a pjncture needle fixing device, includes the bottom plate, bottom plate bottom four corners all is equipped with locating component, the inside opening of having run through of bottom plate, the opening rear side is equipped with the fixed plate, fixed plate bottom and bottom plate top fixed connection, the fixed plate front side is seted up the recess, the inside threaded rod that is equipped with of recess, the threaded rod both ends all through the bearing respectively with recess both sides inner wall swing joint, the equal threaded connection in threaded rod both ends outer wall has the slide, the fixed grip block that is equipped with in slide front side, the grip block is close to the fixed installing support that is equipped with in open-ended one end top, the installing support cross-section is established to the U shape, the inside extrusion iron sheet that is equipped with of installing support, both sides all through the bearing respectively with installing support top front and back both sides inner wall swing joint around the extrusion iron sheet bottom, the mounting groove has been seted up to the grip block top, the inside extrusion mechanism that is equipped with of mounting groove, carries out dual fixed spacing to puncture needle bottom and top respectively through two extrusion iron sheets with two grip blocks to this stability that improves the pjncture needle.

In a preferred embodiment, the locating component includes a plurality of sucking discs, and bottom plate bottom four corners is located respectively to a plurality of sucking discs, sucking disc top and bottom plate bottom fixed connection can be fixed in the patient on one's body with the bottom plate with the help of the cooperation of a plurality of sucking discs, have improved user operation the utility model discloses the convenience when.

In a preferred embodiment, extrusion mechanism includes the lead screw, inside the mounting groove was located to the lead screw, the lead screw both ends all through the bearing respectively with mounting groove both sides inner wall swing joint, the outside cover in one end that the lead screw is close to the installing support is equipped with the nut seat, the fixed magnet that is equipped with in nut seat top, magnet and extrusion iron sheet contact, through the rotation of lead screw, can order about the nut seat and drive the magnetism of magnet propelling movement and inhale the complex extrusion iron sheet motion, and inhale the cooperation with the help of magnetism for magnet can paste always with the extrusion iron sheet and be in the same place, and then can ensure extrusion iron sheet and magnet ability concerted movement.

In a preferred embodiment, the fixed plate front side is equipped with the deflector, the fixed bottom plate top of locating of deflector, the guide way has been seted up to the deflector rear side, the inside guide post that is equipped with of guide way, the guide post both ends respectively with guide way both sides inner wall fixed connection, the outside guide post both ends all overlaps and is equipped with the guide holder, guide holder rear end and grip block front side fixed connection, through the cooperation of guide holder and guide post, stability when can improving the grip block motion avoids appearing rocking the condition of skew.

In a preferred embodiment, one end of the clamping plate, which is far away from the mounting bracket, is provided with a second handle, the second handle penetrates through the clamping plate and is fixedly connected with the screw rod, one end of the fixing plate is provided with a first handle, the first handle penetrates through the fixing plate and is fixedly connected with the threaded rod, and through the arrangement of the first handle and the second handle, a user can conveniently operate the threaded rod and the screw rod, so that the convenience of the user in operating the threaded rod and the screw rod is improved.

In a preferred embodiment, a protection pad is fixedly arranged on one side of the top end of the pressing iron sheet close to the opening, and through the arrangement of the protection pad, the protection of the puncture needle can be improved, and the puncture needle is prevented from being damaged in the positioning process.

The utility model discloses a technological effect and advantage:

the utility model discloses an operation threaded rod drives two slides above that and drives corresponding grip blocks and fix spacingly to the puncture needle, later through the rotation of lead screw again, orders about magnet propelling movement magnetism on the nut seat and inhale complex extrusion iron sheet and extrude spacingly to puncture needle top both sides, and overall structure carries out dual fixed spacingly to puncture needle bottom and top respectively through two grip blocks and two extrusion iron sheets to this stability that improves the puncture needle.

Drawings

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

fig. 2 is a side view of the fixing plate of the present invention;

fig. 3 is an exploded view of the fixing plate of the present invention;

fig. 4 is an exploded view of the deflector of the present invention;

fig. 5 is a bottom view of the bottom plate of the present invention.

The reference signs are: 1. a base plate; 2. an opening; 3. a fixing plate; 4. a groove; 5. a threaded rod; 6. a slide base; 7. a clamping plate; 8. mounting a bracket; 9. extruding iron sheets; 10. mounting grooves; 11. a suction cup; 12. a screw rod; 13. a nut seat; 14. a magnet; 15. a guide plate; 16. a guide groove; 17. a guide post; 18. a guide seat; 19. a protective pad.

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 the attached drawings 1-5 of the specification, the puncture needle fixing device of the embodiment comprises a bottom plate 1, positioning assemblies are arranged at four corners of the bottom plate 1, an opening 2 is formed in the bottom plate 1 in a penetrating manner, a fixing plate 3 is arranged behind the opening 2, the bottom end of the fixing plate 3 is fixedly connected with the top of the bottom plate 1, a groove 4 is formed in the front of the fixing plate 3, a threaded rod 5 is arranged in the groove 4, two ends of the threaded rod 5 are movably connected with inner walls of two sides of the groove 4 through bearings respectively, sliding seats 6 are connected with outer walls of two ends of the threaded rod 5 in a threaded manner, a clamping plate 7 is fixedly arranged on the front side of each sliding seat 6, a mounting bracket 8 is fixedly arranged at the top of one end, close to the opening 2, of each clamping plate 7 is provided with a U-shaped section, an extruding iron sheet 9 is arranged in each mounting bracket 8, the front side and the rear side of the bottom end of each extruding iron sheet 9 are movably connected with inner walls of the front and rear sides of the top end of the mounting bracket 8 through bearings respectively, a mounting groove 10 is formed in the top of the clamping plate 7, an extruding mechanism is arranged in the mounting groove 10, and the two clamping plates 7 and two extruding iron sheets 9 are used for fixing the puncture needle and fixing the top end of the puncture needle for improving the puncture needle for limiting stability.

Locating component includes a plurality of sucking

discs

11, and 1 bottom four corners of bottom plate is located respectively to a plurality of sucking

discs

11, 11 tops of sucking discs and 1 bottom fixed connection of bottom plate can be fixed in the patient on one's body with the help of a plurality of sucking discs 11's cooperation, have improved user operation with the bottom plate 1 the utility model discloses temporal convenience.

Extrusion mechanism includes lead screw 12, inside mounting groove 10 was located to

lead screw

12, 12 both ends of lead screw all through the bearing respectively with 10 both sides inner wall swing joint of mounting groove, the outside cover in one end that lead screw 12 is close to installing support 8 is equipped with nut seat 13, the fixed magnet 14 that is equipped with in nut seat 13 top, magnet 14 contacts with extrusion iron sheet 9, through the rotation of lead screw 12, can order about nut seat 13 and drive the motion of 14 propelling movement magnetism complex extrusion iron sheet 9 of magnet, and with the help of magnetism cooperation of inhaling for magnet 14 can laminate together with extrusion iron sheet 9 always, and then can ensure extrusion iron sheet 9 and magnet 14 and can the concerted movement.

3 front sides of fixed plate are equipped with

deflector

15, 1 top of bottom plate is located to deflector 15 is fixed, guide way 16 has been opened to 15 backs of deflector, the inside guide post 17 that is equipped with of guide way 16, guide post 17 both ends respectively with 16 both sides inner wall fixed connection of guide way, the outside guide post 17 both ends is all overlapped and is equipped with

guide holder

18, 18 rear ends of guide holder and 7 front side fixed connection of grip block, through the cooperation of guide holder 18 and guide post 17, stability when can improving the grip block 7 motion avoids appearing rocking the condition of skew.

The one end that installing support 8 was kept away from to grip block 7 is equipped with the second handle, the second handle run through grip block 7 and with lead screw 12 fixed connection, 3 one end of fixed plate is equipped with the first in command, the first in command run through fixed plate 3 and with 5 fixed connection of threaded rod, through the setting of the first in command and the second in command, the user of being convenient for operates threaded rod 5 and lead screw 12, convenience when having improved user operation threaded rod 5 and lead screw 12.

Through the cooperation with the help of a plurality of sucking discs 11, can be fixed in on one's body the patient with bottom plate 1, then drive two slides 6 on it through operating threaded rod 5 and drive corresponding grip block 7 and fix spacingly to the puncture needle, later through the rotation of lead screw 12, it inhales complex extrusion iron sheet 9 and extrudes spacingly to puncture needle top both sides to order about magnet 14 propelling movement on the nut seat 13, and overall structure carries out dual fixed spacingly to puncture needle bottom and top respectively through two grip blocks 7 and two extrusion iron sheets 9 to this stability that improves the puncture needle.

Referring to the attached drawings 1-3 in the specification, in the puncture needle fixing device of this embodiment, a protection pad 19 is fixedly arranged on one side of the top end of the pressing iron sheet 9 close to the opening 2, and through the arrangement of the protection pad 19, the protection for the puncture needle can be improved, and the puncture needle is prevented from being damaged in the positioning process.

And finally: the foregoing is illustrative of the preferred embodiments of the present invention, and is not to be construed as limiting the invention, and any modifications, equivalent alterations, improvements and the like made within the spirit and principle of the invention are intended to be included within the scope of the invention.

Claims

1. A puncture needle fixing device comprises a bottom plate (1), and is characterized in that: bottom plate (1) bottom four corners all is equipped with locating component, opening (2) have been seted up to inside running through of bottom plate (1), opening (2) rear side is equipped with fixed plate (3), fixed plate (3) bottom and bottom plate (1) top fixed connection, recess (4) have been seted up to fixed plate (3) front side, recess (4) inside threaded rod (5) are equipped with, threaded rod (5) both ends all through the bearing respectively with recess (4) both sides inner wall swing joint, threaded rod (5) both ends outer wall equal threaded connection has slide (6), slide (6) front side is fixed and is equipped with grip block (7), grip block (7) are close to the fixed installing support (8) that is equipped with in one end top of opening (2), installing support (8) cross-section is established to the U shape, installing support (8) inside is equipped with extrusion iron sheet (9), both sides all through the bearing respectively with installing support (8) top front and back both sides inner wall swing joint around extrusion iron sheet (9) bottom, mounting groove (10) top have been seted up to grip block (7), the inside is equipped with extrusion mechanism.

2. A needle retainer in accordance with claim 1, further comprising: the positioning assembly comprises a plurality of suckers (11), the suckers (11) are respectively arranged at four corners of the bottom plate (1), and the tops of the suckers (11) are fixedly connected with the bottom of the bottom plate (1).

3. A needle mounting apparatus in accordance with claim 1, wherein: extrusion mechanism includes lead screw (12), inside mounting groove (10) was located in lead screw (12), lead screw (12) both ends all through the bearing respectively with mounting groove (10) both sides inner wall swing joint, the outside cover of one end that lead screw (12) are close to installing support (8) is equipped with nut seat (13), fixed magnet (14) that are equipped with in nut seat (13) top, magnet (14) contact with extrusion iron sheet (9).

4. A needle retainer in accordance with claim 1, further comprising: fixed plate (3) front side is equipped with deflector (15), bottom plate (1) top is fixed to deflector (15), deflector (15) rear side is opened and is equipped with guide way (16), inside guide post (17) that is equipped with of guide way (16), guide post (17) both ends respectively with guide way (16) both sides inner wall fixed connection, outside all the overlapping in guide post (17) both ends is equipped with guide holder (18), guide holder (18) rear end and grip block (7) front side fixed connection.

5. A needle mounting apparatus in accordance with claim 3, wherein: one end of the clamping plate (7) far away from the mounting bracket (8) is provided with a second handle, the second handle penetrates through the clamping plate (7) and is fixedly connected with the screw rod (12), one end of the fixing plate (3) is provided with a first handle, and the first handle penetrates through the fixing plate (3) and is fixedly connected with the threaded rod (5).

6. A needle retainer in accordance with claim 1, further comprising: and a protective pad (19) is fixedly arranged on one side, close to the opening (2), of the top end of the extruded iron sheet (9).