CN211674475U

CN211674475U - Tumor interventional operation puncture needle convenient for controlling puncture depth and angle

Info

Publication number: CN211674475U
Application number: CN202020083901.2U
Authority: CN
Inventors: 洪鑫
Original assignee: Nantong First Peoples Hospital
Current assignee: Nantong First Peoples Hospital
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2020-10-16
Anticipated expiration: 2030-01-15

Abstract

The utility model discloses a pjncture needle for tumour intervention art convenient to control depth of penetration and angle, including bottom plate, pjncture needle main part and pivot, the lower surface parcel of bottom plate has the cushion, and the inside sliding connection of bottom plate has the slider, the top of slider is fixed with the pole setting, and the top of pole setting is connected with the movable rod, the adapter sleeve has been cup jointed in the junction outside of movable rod and pole setting, the top of movable rod and the left end of bottom plate all articulate has the support, and the top of support is fixed with the diaphragm, the safety cover is installed in the top outside of diaphragm, the pjncture needle main part is settled in the inboard of safety cover, and the upper right corner of pjncture needle main part is connected with the handle, the pivot is installed in the cross connection department of second splint and first splint, and has cup jointed torsion. The utility model discloses a make things convenient for medical personnel to control the inclination and the depth of puncture of pjncture needle to for medical personnel's puncture operation provides convenience, effectively reduces the error, avoids repeated puncture.

Description

Tumor interventional operation puncture needle convenient for controlling puncture depth and angle

Technical Field

The utility model relates to the technical field of medical equipment, specifically be a puncture needle for tumour intervention operation convenient to control depth of penetration and angle.

Background

The minimally invasive interventional therapy is modern high-tech minimally invasive therapy, under the guidance of medical imaging equipment, special catheters, guide wires and other precise instruments are introduced into a human body to diagnose and locally treat in-vivo focuses, and the minimally invasive therapy for tumor intervention is mainly characterized by no need of operation, has the characteristics of no operation, small wound, quick recovery and good effect, and needs a puncture needle for puncture operation in the tumor intervention.

However, the puncture needle used clinically at present is not convenient for limiting the puncture depth and fixing the puncture angle, and mainly depends on the clinical experience of medical staff to control the puncture depth and angle, so that the error is large, and repeated puncture is easily caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pjncture needle for tumour intervention art convenient to control depth of penetration and angle to the pjncture needle that present clinical used of proposing in solving above-mentioned background art is not convenient for limit the depth of penetration, and is not convenient for fix the puncture angle, mainly relies on medical personnel's clinical experience to control depth of penetration and angle, and the error is great, leads to the problem of puncturing repeatedly easily.

In order to achieve the above object, the utility model provides a following technical scheme: a puncture needle for tumor interventional operation convenient for controlling puncture depth and angle comprises a bottom plate, a puncture needle main body and a rotating shaft, wherein a cushion wraps the lower surface of the bottom plate, a sliding block is connected inside the bottom plate in a sliding manner, a vertical rod is fixed above the sliding block, a movable rod is connected above the vertical rod, a fastening sleeve is sleeved outside the joint of the movable rod and the vertical rod, a support is hinged to the top end of the movable rod and the left end of the bottom plate, a transverse plate is fixed above the support, a protective cover is installed outside the upper side of the transverse plate, the puncture needle main body is arranged inside the protective cover, a handle is connected to the upper right corner of the puncture needle main body, a first clamping plate is arranged outside the middle position of the puncture needle main body, a second clamping plate is connected to the right side of the first clamping plate, the rotating shaft is installed at the cross joint of the second clamping plate and the first, the lower surface of the handle is fixed with a convex block.

Preferably, the structure of the soft cushion is an elastic structure, and a semi-enclosed structure is formed between the soft cushion and the bottom plate.

Preferably, the movable rod runs through the inside of the vertical rod, and the vertical rod forms a telescopic structure with the movable rod through the fastening sleeve.

Preferably, the upper surface of the transverse plate is provided with a groove, and the handle forms a sliding structure with the transverse plate through the groove and the convex block.

Preferably, the outer surface of the puncture needle main body is carved with scale marks, and the scale marks are distributed at equal intervals along the length direction of the puncture needle main body.

Preferably, the second clamping plate and the first clamping plate are distributed in bilateral symmetry about the vertical center line of the rotating shaft, and the second clamping plate and the first clamping plate form a rotating structure through the rotating shaft.

Preferably, the inner surfaces of the lower ends of the second clamping plate and the first clamping plate are both connected with anti-slip pads, and the anti-slip pads are tightly attached to the outer surface of the puncture needle main body.

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

1. the puncture needle setting cushion for tumor interventional surgery, which is convenient for controlling the puncture depth and angle, is made of silica gel materials, has good elasticity, can reduce the oppression of a rigid bottom plate on the epidermis of a patient, and simultaneously has certain adsorbability when being contacted with the skin of a human body, thereby effectively improving the placing stability of the whole device and effectively preventing skidding;

2. the movable rod and the vertical rod can be stretched up and down, so that the inclination angle of the puncture needle body can be adjusted, medical staff can select a proper needle inserting angle according to actual puncture requirements, and therefore convenience is provided for the operation of the medical staff;

3. set up second splint and first splint and form a spacing clamp, can the centre gripping in the pjncture needle main part outside to the clamping process utilizes torsion spring's elastic action can fix firm, so that carry on spacingly to the puncture degree of depth of puncture needle main part, prevents that medical personnel's hand mistake from resulting in the puncture too deeply or too shallowly, improves the precision of puncture, and the slipmat that sets up separates between splint and pjncture needle main part, can reduce the damage of splint to puncture needle main part.

Drawings

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

FIG. 2 is a schematic view of the main structure of the puncture needle and the first and second clamping plates of the present invention;

fig. 3 is a schematic structural diagram of the present invention.

In the figure: 1. a base plate; 2. a soft cushion; 3. a slider; 4. erecting a rod; 5. fastening sleeves; 6. a movable rod; 7. a support; 8. a transverse plate; 9. a protective cover; 10. a puncture needle main body; 11. a handle; 12. a first splint; 13. a second splint; 14. a rotating shaft; 15. a torsion spring; 16. a non-slip mat; 17. a bump; 18. a groove; 19. scale lines are marked.

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 puncture needle for tumor interventional operation convenient for controlling puncture depth and angle comprises a bottom plate 1, a cushion 2, a sliding block 3, a vertical rod 4, a fastening sleeve 5, a movable rod 6, a bracket 7, a transverse plate 8, a protective cover 9, a puncture needle main body 10, a handle 11, a first clamping plate 12, a second clamping plate 13, a rotating shaft 14, a torsion spring 15, an anti-slip pad 16, a convex block 17, a groove 18 and scale marks 19, the cushion 2 wraps the lower surface of the bottom plate 1, the sliding block 3 is connected to the inner part of the bottom plate 1 in a sliding manner, the cushion 2 is of an elastic structure, a semi-surrounding structure is formed between the cushion 2 and the bottom plate 1, the cushion 2 is made of silica gel materials, the puncture needle has good elasticity, the oppression of a hard bottom plate 1 on the epidermis of a patient can be reduced, meanwhile, certain adsorbability can be realized when the puncture needle is in contact with, the anti-skid effect is achieved;

a vertical rod 4 is fixed above the sliding block 3, a movable rod 6 is connected above the vertical rod 4, a fastening sleeve 5 is sleeved outside the joint of the movable rod 6 and the vertical rod 4, a support 7 is hinged at the top end of the movable rod 6 and the left end of the bottom plate 1, a transverse plate 8 is fixed above the support 7, a protective cover 9 is installed outside the upper part of the transverse plate 8, a puncture needle main body 10 is arranged inside the protective cover 9, a handle 11 is connected at the upper right corner of the puncture needle main body 10, the movable rod 6 penetrates inside the vertical rod 4, a telescopic structure is formed by the vertical rod 4 through the fastening sleeve 5 and the movable rod 6, the movable rod 6 and the vertical rod 4 can be arranged to be vertically telescopic so as to adjust the inclination angle of the puncture needle main body 10, medical personnel can select a proper needle inserting angle according to actual puncture needs, and the movable rod 6 and the vertical rod 4 can stably support the, thereby providing convenience for the operation of medical personnel, a first clamping plate 12 is arranged at the outer side of the middle position of the puncture needle main body 10, a second clamping plate 13 is connected with the right side of the first clamping plate 12, a rotating shaft 14 is arranged at the cross connection part of the second clamping plate 13 and the first clamping plate 12, a torsion spring 15 is sleeved at the outer side of the rotating shaft 14, the second clamping plate 13 and the first clamping plate 12 are distributed in bilateral symmetry about the vertical central line of the rotating shaft 14, the second clamping plate 13 forms a rotating structure with the first clamping plate 12 through the rotating shaft 14, the inner surfaces of the lower ends of the second clamping plate 13 and the first clamping plate 12 are both connected with an anti-skid pad 16, the anti-skid pad 16 is tightly attached to the outer surface of the puncture needle main body 10, the second clamping plate 13 and the first clamping plate 12 are arranged to form a limiting clamp which can be clamped at the outer side of the puncture needle main, so as to limit the puncture depth of the puncture needle body 10, prevent the medical staff from puncturing too deeply or too shallowly due to mistake, improve the puncture precision, and the arranged non-slip mat 16 is separated between the clamping plate and the puncture needle body 10, so that the damage of the clamping plate to the puncture needle body 10 can be reduced;

the lower fixed surface of handle 11 has lug 17, the upper surface of diaphragm 8 is seted up flutedly 18, and constitute sliding structure between handle 11 passes through recess 18 and lug 17 and the diaphragm 8, it can utilize the sliding action between recess 18 and the lug 17 to remove to set up handle 11, thereby realize pushing away the operation of needle puncture, because pjncture needle main part 10 keeps the parallel state with diaphragm 8 always, be favorable to helping pjncture needle main part 10 to keep corresponding inclination, be convenient for medical personnel to go into the needle to the slope, reduce the error, avoid repeated puncture, the surface carving of pjncture needle main part 10 has scale mark 19, and scale mark 19 distributes along the length direction equidistance of pjncture needle main part 10, set up scale mark 19 and carve on pjncture needle main part 10, thereby be convenient for medical personnel to observe real-time income needle degree of depth, then adjust income needle speed, prevent to puncture too.

The working principle is as follows: for the tumor interventional operation puncture needle convenient for controlling the puncture depth and angle, firstly, a fastening sleeve 5 is unscrewed, then a vertical rod 4 is pushed leftwards and rightwards, the vertical rod 4 drives a sliding block 3 to slide leftwards and rightwards relative to a bottom plate 1, and simultaneously drives a movable rod 6 to stretch and retract in the vertical rod 4, so that a bracket 7 rotates around the movable rod 6 and the bottom plate 1, the inclination angle of a transverse plate 8 is adjusted, then the fastening sleeve 5 is screwed to be fixed, the top end parts of a first clamping plate 12 and a second clamping plate 13 are pressed inwards, the first clamping plate 12 and the second clamping plate 13 rotate around a rotating shaft 14, and meanwhile, a torsion spring 15 is pressed, so that the lower end parts of the first clamping plate 12 and the second clamping plate 13 are unfolded, and an anti-skid pad 16 is;

then, according to the display of the scale mark 19, the puncture depth is determined, the first clamping plate 12 and the second clamping plate 13 are clamped at the position, the first clamping plate 12 and the second clamping plate 13 are loosened, the lower end parts of the first clamping plate 12 and the second clamping plate 13 rebound under the elastic action of the torsion spring 15 to clamp the puncture needle body 10, then the whole device is placed beside the puncture point, the soft cushion 2 is contacted with the skin of a patient, the bottom plate 1 supports the whole device, the needle point of the puncture needle body 10 is opposite to the puncture point, the handle 11 is pinched, the handle 11 is pushed downwards, the handle 11 drives the lug 17 to slide downwards relative to the transverse plate 8 along the groove 18, the puncture needle body 10 is driven to extend out from the lower end of the protective cover 9, and the puncture operation is carried out, so that the use process of the puncture needle for tumor interventional surgery, which is convenient to control the puncture depth and puncture.

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 tumour is intervene art and is used pjncture needle convenient to control puncture depth and angle, includes bottom plate (1), pjncture needle main part (10) and pivot (14), its characterized in that: the puncture needle comprises a bottom plate (1), a cushion (2) is wrapped on the lower surface of the bottom plate (1), a sliding block (3) is connected to the inner portion of the bottom plate (1) in a sliding mode, a vertical rod (4) is fixed to the upper portion of the sliding block (3), a movable rod (6) is connected to the upper portion of the vertical rod (4), a fastening sleeve (5) is sleeved on the outer side of the joint of the movable rod (6) and the vertical rod (4), a support (7) is hinged to the top end of the movable rod (6) and the left end of the bottom plate (1), a transverse plate (8) is fixed to the upper portion of the support (7), a protective cover (9) is installed on the outer side of the upper portion of the transverse plate (8), a puncture needle main body (10) is arranged on the inner side of the protective cover (9), a handle (11) is connected to the upper right corner of the puncture needle main body (10), a first clamping plate, the rotating shaft (14) is arranged at the cross connection position of the second clamping plate (13) and the first clamping plate (12), the outer side of the rotating shaft (14) is sleeved with a torsion spring (15), and a convex block (17) is fixed on the lower surface of the handle (11).

2. A needle for tumor intervention surgery facilitating control of depth and angle of penetration as recited in claim 1, wherein: the structure of cushion (2) is elastic structure, and forms half enclosed construction between cushion (2) and bottom plate (1).

3. A needle for tumor intervention surgery facilitating control of depth and angle of penetration as recited in claim 1, wherein: the movable rod (6) penetrates through the inside of the vertical rod (4), and the vertical rod (4) forms a telescopic structure with the movable rod (6) through the fastening sleeve (5).

4. A needle for tumor intervention surgery facilitating control of depth and angle of penetration as recited in claim 1, wherein: a groove (18) is formed in the upper surface of the transverse plate (8), and the handle (11) forms a sliding structure with the transverse plate (8) through the groove (18) and the convex block (17).

5. A needle for tumor intervention surgery facilitating control of depth and angle of penetration as recited in claim 1, wherein: the outer surface of the puncture needle main body (10) is carved with scale marks (19), and the scale marks (19) are distributed at equal intervals along the length direction of the puncture needle main body (10).

6. A needle for tumor intervention surgery facilitating control of depth and angle of penetration as recited in claim 1, wherein: the second clamping plate (13) and the first clamping plate (12) are distributed in bilateral symmetry about the vertical center line of the rotating shaft (14), and the second clamping plate (13) and the first clamping plate (12) form a rotating structure through the rotating shaft (14).

7. A needle for tumor intervention surgery facilitating control of depth and angle of penetration as recited in claim 1, wherein: the inner surfaces of the lower ends of the second clamping plate (13) and the first clamping plate (12) are both connected with an anti-slip pad (16), and the anti-slip pad (16) is tightly attached to the outer surface of the puncture needle main body (10).