CN215821099U

CN215821099U - Improved percutaneous lung puncture needle

Info

Publication number: CN215821099U
Application number: CN202121653836.3U
Authority: CN
Inventors: 涂东; 于杰; 余冰玉; 罗小迪
Original assignee: 920th Hospital of the Joint Logistics Support Force of PLA
Current assignee: 920th Hospital of the Joint Logistics Support Force of PLA
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2022-02-15
Anticipated expiration: 2031-07-21

Abstract

The utility model relates to the technical field of medical puncture instruments, and particularly discloses an improved percutaneous lung puncture needle which comprises a handle, a holding plate and a back plate, wherein a cavity is formed in the handle, spring devices are vertically and equidistantly arranged on the left side and the right side of the inner wall of the handle, the holding plate is slidably connected in the cavity and fixedly connected with the spring device on the left side of the inner wall of the handle, the back plate is slidably connected in the cavity and fixedly connected with the spring device on the right side of the inner wall of the handle, a mounting seat is fixedly connected to the top of the handle, a needle tube penetrating through the center of the mounting seat is fixedly connected to the top of the handle, and a through groove is formed in the center of the front of the handle.

Description

Improved percutaneous lung puncture needle

Technical Field

The utility model relates to the technical field of medical puncture instruments, in particular to an improved percutaneous lung puncture needle.

Background

The percutaneous lung puncture operation has high requirement, the operation should be careful, careful and rapid, the operation time is shortened as much as possible, the active cooperation of a patient is also needed during the operation, and the needle is punctured into pathological cells and local cell tissues are extracted when the patient holds breath.

The existing percutaneous lung puncture needle is simple in structure, the percutaneous lung puncture needle is stabilized only in a hand-held mode for operation, when a doctor holds a handle of the percutaneous lung puncture needle for operation, the problem that the handle falls off from the hand is easily caused, the operation process is influenced, and the percutaneous lung puncture needle is very inconvenient to use in the operation.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides an improved percutaneous lung puncture needle which has the advantages of preventing a handle of the percutaneous lung puncture needle from falling off during operation and the like, and solves the problem that the handle is easy to fall off from a hand when a doctor holds the handle of the percutaneous lung puncture needle to operate.

The improved percutaneous lung puncture needle comprises a handle, a holding plate and a back plate, wherein a cavity is formed in the handle, spring devices are vertically and equidistantly arranged on the left side and the right side of the inner wall of the handle, the holding plate is slidably connected in the cavity and fixedly connected with the spring device on the left side of the inner wall of the handle, the back plate is slidably connected in the cavity and fixedly connected with the spring device on the right side of the inner wall of the handle, the top of the handle is fixedly connected with an installation seat, the top of the handle is fixedly connected with a needle tube penetrating through the center of the installation seat, and the center of the front surface of the handle is provided with a through groove.

Through the design of the technical scheme, the problem that the handle is easy to fall off from the hand when a doctor holds the handle of the percutaneous lung puncture needle to operate due to the fact that the existing percutaneous lung puncture needle is simple in structure is solved.

As a further improvement of the utility model, the right side of the holding plate is integrally formed with a continuous wavy finger groove, and the left side of the back plate is integrally formed with an arc-shaped groove.

Through the design of the technical scheme, when the hand is inserted into the through groove, the finger can be better attached to the holding plate and the back plate, and the stability is improved.

As a further improvement of the utility model, a first rubber pad matched with the holding plate in shape is fixedly connected to the right side of the holding plate, and a second rubber pad matched with the back plate in shape is fixedly connected to the left side of the back plate.

Through the design of the technical scheme, when the handle is held by a hand, the first rubber pad and the second rubber pad can increase the friction force between the hand and the handle.

As a further improvement of the utility model, the top and the bottom of the holding plate and the back plate are fixedly connected with first sliding blocks, and the top and the bottom of the inner wall of the handle are both provided with first sliding grooves for the first sliding blocks to slide.

Through the design of the technical scheme, when the hand is inserted into the through groove, the sliding block and the sliding groove can reduce the force required by the sliding of the holding plate and the back plate, and the holding plate and the back plate can conveniently slide towards the outer side of the handle.

As a further improvement of the utility model, the surface of the needle tube is provided with scale marks, and the top of the needle tube is provided with a needle head in a bevel opening shape.

Through the design of the technical scheme, the needle can be conveniently punctured by the needle tube during the operation, and the depth of the needle penetrating into the skin can be conveniently observed by the scale marks on the needle tube.

As a further improvement of the utility model, a notch is arranged on the surface of the needle tube close to the top, and the notch is in an inclined opening shape.

Through the design of the technical scheme, when the needle head is penetrated into the pathological tissue, the notch can facilitate the sampling of the needle head to the pathological tissue cells.

As a further improvement of the utility model, the spring device comprises a sleeve, a movable block is connected in the sleeve in a sliding manner, a return spring is fixedly connected between the movable block and the inner wall of the handle, and the holding plate and the back plate are respectively fixed on the movable block on the left side and the movable block on the right side.

Through the design of the technical scheme, when the hand is inserted into the through groove, the movable block is matched with the reset spring to be capable of contracting to hold the plate and the back plate to be attached to the hand better, and when the reset spring rebounds, the hand can be extruded and fixed.

As a further improvement of the utility model, the top and the bottom of the inner wall of the sleeve are both provided with a second sliding groove, the top and the bottom of the movable block are both fixedly connected with a second sliding block, and the movable block is connected in the second sliding groove in a sliding manner through the second sliding block.

Through the design of the technical scheme, when the movable block compresses the reset spring and the reset spring rebounds the movable block, the second sliding block and the second sliding groove enable the stress direction of the movable block to be horizontal stress.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the reset springs on the left and right sides of the inner wall of the handle, the movable blocks which are slidably connected in the second sliding groove are matched with the holding plate and the back plate which are slidably connected to the top and the bottom of the inner wall of the handle through the first sliding groove, a worker only needs to put a hand into the through groove, the holding plate and the back plate can extrude the hand under the action of the reset springs, so that the holding plate and the back plate are stably attached and fixed with the palm of the worker, the stability is improved, the friction force between the hand and the handle can be increased through the first rubber pad and the second rubber pad which are respectively matched with the holding plate and the back plate, the sampling of lesion cell tissues is facilitated through the notch formed in the needle head when the needle head penetrates lesion cells, and the problem that the percutaneous lung puncture needle is easy to fall off from the hand in the operation process is solved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

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

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a front cross-sectional structural view of the handle of the present invention;

fig. 4 is a schematic top view of the handle of the present invention.

In the figure: 1. a handle; 2. holding the plate; 3. a back plate; 4. a first slider; 5. a first chute; 6. a first rubber pad; 7. A second rubber pad; 8. a through groove; 9. a cavity; 10. a sleeve; 11. a return spring; 12. a movable block; 13. a second slider; 14. a second chute; 15. a mounting seat; 16. a needle tube; 17. scale lines; 18. a notch; 19. a needle.

Detailed Description

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the various embodiments of the utility model. It should be understood, however, that these physical details should not be construed as limiting the utility model. That is, in some embodiments of the utility model, such physical details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-4, the improved percutaneous lung puncture needle comprises a handle 1, a holding plate 2 and a back plate 3, wherein a cavity 9 is formed in the handle 1, spring devices are vertically and equidistantly arranged on the left side and the right side of the inner wall of the handle 1, the holding plate 2 is slidably connected in the cavity 9 and fixedly connected with the spring device on the left side of the inner wall of the handle 1, the back plate 3 is slidably connected in the cavity 9 and fixedly connected with the spring device on the right side of the inner wall of the handle 1, an installation seat 15 is fixedly connected to the top of the handle 1, a needle tube 16 penetrating through the center of the installation seat 15 is fixedly connected to the top of the handle 1, and a through groove 8 is formed in the center of the front face of the handle 1.

Referring to fig. 1, the right side of the holding plate 2 is integrally formed with a continuous wavy finger groove, and the left side of the back plate 3 is integrally formed with an arc groove, so that when a hand is inserted into the through groove 8, the fingers can be better attached to the holding plate 2 and the back plate 3, and the stability is improved.

Referring to fig. 1, a first rubber pad 6 with a shape matched with the right side of the holding plate 2 is fixedly connected to the right side of the holding plate 2, and a second rubber pad 7 with a shape matched with the left side of the back plate 3 is fixedly connected to the left side of the holding plate 3, so that when a hand holds the handle 1, the first rubber pad 6 and the second rubber pad 7 can increase the friction force between the hand and the handle 1.

Please refer to fig. 1, the top and the bottom of the holding plate 2 and the back plate 3 are both fixedly connected with a first sliding block 4, the top and the bottom of the inner wall of the handle 1 are both provided with a first sliding slot 5 for the sliding of the first sliding block 4, when the hand is inserted into the through slot 8, the first sliding block 4 and the first sliding slot 5 can reduce the force required by the sliding of the holding plate 2 and the back plate 3, and the holding plate 2 and the back plate 3 can slide to the outside of the handle 1 conveniently.

Referring to fig. 1, the surface of the needle tube 16 is provided with scale marks 17, the top of the needle tube 16 is provided with a needle 19 in a bevel shape, so that the needle 19 can facilitate the needle tube 16 to puncture during an operation, and the scale marks 17 on the needle tube 16 can facilitate observation of the penetration depth of the needle 19 into the skin.

Referring to fig. 1, a notch 18 is formed on the surface of the needle tube 16 near the top, the notch 18 is in the shape of an inclined opening, and when the needle 19 penetrates into the diseased tissue, the notch 18 facilitates the sampling of the cells of the diseased tissue by the needle 19.

Please refer to fig. 3, the spring device includes a sleeve 10, a movable block 12 is slidably connected in the sleeve 10, a return spring 11 is fixedly connected between the inner wall of the movable block 12 and the inner wall of the handle 1, the holding plate 2 and the back plate 3 are respectively fixed on the movable block 12 on the left side and the movable block 12 on the right side, when the hand is inserted into the through groove 8, the movable block 12 is matched with the return spring 11 to be able to contract the holding plate 2 and the back plate 3 to better attach to the opponent, and when the return spring 11 rebounds, the hand can also extrude and fix to the opponent.

Referring to fig. 3, the top and the bottom of the inner wall of the sleeve 10 are both provided with a second sliding groove 14, the top and the bottom of the movable block 12 are both fixedly connected with a second sliding block 13, the movable block 12 is slidably connected in the second sliding groove 14 through the second sliding block 13, and when the movable block 12 compresses the return spring 11 and the return spring 11 rebounds the movable block 12, the second sliding block 13 and the second sliding groove 14 enable the stress direction of the movable block 12 to be stressed in the horizontal direction.

When needing to use percutaneous lung pjncture needle, can insert the hand from leading to groove 8, holding board 2 and backplate 3 all slide to the handle 1 outside this moment, and reset spring 11 atress compression produces the resilience force, and holding board 2 and backplate 3 receive the power that reset spring 11 kick-backs to extrude fixedly to the finger, alright start operation work after accomplishing fixedly.

When the percutaneous lung puncture needle needs to be punctured into the pathological cell tissue of a patient, the handle 1 is held, the needle 19 is punctured from a position positioned on the patient, when the needle 19 is about to reach the pathological cell tissue, the specific distance from the needle tube 16 to the pathological cell tissue is known by observing the scale mark 17 on the needle tube 16, and when the notch 18 is immersed into the pathological cell tissue, the needle tube 16 is pulled out, so that the sampling of the pathological cell tissue is completed.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. An improved percutaneous lung puncture needle, which comprises a handle (1), a holding plate (2) and a back plate (3), and is characterized in that: handle (1) inside cavity (9) of having seted up, the inner wall left and right sides of handle (1) all is provided with spring assembly along perpendicular equidistance, hold board (2) sliding connection in cavity (9) and with the left spring assembly fixed connection of handle (1) inner wall, backplate (3) sliding connection in cavity (9) and with the spring assembly fixed connection on handle (1) inner wall right side, the top fixedly connected with mount pad (15) of handle (1), the top fixedly connected with of handle (1) runs through needle tubing (16) of mount pad (15) central authorities, logical groove (8) have been seted up to the positive central authorities of handle (1).

2. An improved percutaneous lung puncture needle according to claim 1, wherein: the right side of the holding plate (2) is integrally formed with a continuous wavy finger groove, and the left side of the back plate (3) is integrally formed with an arc-shaped groove.

3. An improved percutaneous lung puncture needle according to claim 2, wherein: the right side of the holding plate (2) is fixedly connected with a first rubber pad (6) matched with the holding plate in shape, and the left side of the back plate (3) is fixedly connected with a second rubber pad (7) matched with the holding plate in shape.

4. An improved percutaneous lung puncture needle according to claim 1, wherein: the top and the bottom of holding board (2) and backplate (3) all fixedly connected with first slider (4), the gliding first spout (5) of confession first slider (4) are all seted up to the top and the bottom of handle (1) inner wall.

5. An improved percutaneous lung puncture needle according to claim 1, wherein: the surface of the needle tube (16) is provided with scale marks (17), and the top of the needle tube (16) is provided with a needle head (19) in an inclined opening shape.

6. An improved percutaneous lung puncture needle according to claim 1, wherein: a notch (18) is formed in the surface of the needle tube (16) close to the top, and the notch (18) is in an inclined opening shape.

7. An improved percutaneous lung puncture needle according to claim 1, wherein: the spring device comprises a sleeve (10), a movable block (12) is connected to the sleeve (10) in a sliding mode, a reset spring (11) is fixedly connected between the movable block (12) and the inner wall of the handle (1), and the holding plate (2) and the back plate (3) are fixed to the movable block (12) on the left side and the movable block (12) on the right side respectively.

8. An improved percutaneous lung puncture needle according to claim 7, wherein: second spout (14) have all been seted up to the inner wall top and the bottom of sleeve (10), the equal fixedly connected with second slider (13) in top and the bottom of movable block (12), movable block (12) are through second slider (13) sliding connection in second spout (14).