CN219183997U

CN219183997U - Multifunctional needle knife

Info

Publication number: CN219183997U
Application number: CN202320275987.2U
Authority: CN
Inventors: 王诗奡; 滕居赞; 车思锦; 陈志鹏; 叶红禹
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-02-21
Filing date: 2023-02-21
Publication date: 2023-06-16
Anticipated expiration: 2033-02-21

Abstract

The utility model discloses a multifunctional needle knife which comprises a handle, wherein a needle tube is arranged at the lower end of the handle, and a cutting edge is arranged at the lower end of the needle tube. According to the utility model, after the blade at the front end of the needle tube longitudinally penetrates into the tendon layer of skin, the push rod at the hand-held handle is manually pushed downwards, the push rod moves downwards synchronously with the connecting rod and the extending vertical rod when being stressed, teeth fixed at the lower end of the extending vertical rod move downwards and are meshed with gears at the movable part, the gears rotate, the connecting piece and the blade rotate in an inclined manner when the gears rotate, the distal end of the blade is bent, the sheath tube is hooked and then is cut, the push rod is pushed upwards, the distal end of the blade is straightened and then the whole needle knife is pulled out, meanwhile, the connecting groove formed at the upper end of the handle is used for connecting with an interface of the needle tube, the hollow state of the needle tube is similar to that of an injector, the needle tube can be directly connected with the needle tube in an external connection mode after the blade penetrates into a focus to inject medicine to an affected part, and liquid accumulation exists on the affected part can be directly extracted.

Description

Multifunctional needle knife

Technical Field

The utility model relates to the field of medical instruments, in particular to a multifunctional needle knife.

Background

The needle knife can penetrate into the deep subcutaneous part to the lesion to perform cutting, stripping, loosening and other stimulation, is a therapeutic apparatus which organically combines a modern medical surgical knife and operation on the basis of nine needles in traditional Chinese medicine, and has the main indications of soft tissue injury diseases and bone joint diseases.

At present, the operation of pulling out the needle knife, inserting the syringe needle and the like is repeatedly carried out on the conventional straight needle knife for treating the lesion needing to inject the medicine in clinical application, so that the pain of a patient is greatly increased, and the extra damage to surrounding healthy tissues is more easily caused. When the tendon sheath is damaged or the ligament of the nerve is clamped, the tendon sheath is easily deviated and slipped off to damage the tendon or the nerve vessel. When treating osteoarthropathy, due to the special structures of bones and joints, the diseased soft tissues are not always on the same plane, and the existing straight needle knife or simple hook knife is difficult to enter the joints and adjust angles to accurately treat the diseased points.

Disclosure of Invention

The utility model aims to solve the defects of imperfect structural design and high treatment accuracy of the traditional needle knife, and provides a multifunctional needle knife capable of adjusting multiple angles to perform hooking and injecting medicines so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a multifunctional needle knife comprising:

the lower end of the handle is provided with a needle tube, and the lower end of the needle tube is provided with a cutting edge;

the upper end of the blade is provided with an adjusting mechanism;

the movable groove is formed in one side of the handle, the push rod is movably connected to one side of the movable groove, the connecting piece is fixedly connected to the upper end of the cutting edge, the movable piece is fixedly connected to the upper end of the connecting piece, the needle tube is movably connected with the connecting piece through the movable piece, two movable pieces are arranged on the movable piece, the right side is fixedly connected with a gear at one end of the movable piece, the connecting rod is fixedly connected to the inner side of the push rod, the tail end of the connecting rod is fixedly connected with an extension vertical rod, the teeth are fixedly connected to one side of the lower end of the extension vertical rod, and the gear fixed by the movable piece is meshed with the teeth.

Preferably, the needle tube is internally provided with a cavity, and the extending vertical rod is positioned on one side of the inner wall of the cavity.

Preferably, the push rod is rectangular, and a rubber layer is sleeved outside the push rod.

Preferably, the connecting groove is formed in the top of the handle, the top of the needle tube is fixedly inserted into the bottom of the handle, a round hole groove is formed in the center of the handle, and the round hole groove is located between the connecting groove and the needle tube.

Preferably, a limit groove is formed in the handle, and the connecting rod is movably inserted into the limit groove.

The utility model has the technical effects and advantages that:

according to the utility model, after the blade at the front end of the needle tube longitudinally penetrates into the tendon layer of skin, the pushing rod at the hand-held handle is manually pushed downwards, the pushing rod moves downwards synchronously with the connecting rod and the extending vertical rod when being stressed, teeth fixed at the lower end of the extending vertical rod move downwards and are meshed with gears at the movable part, the gears rotate, the connecting piece and the blade rotate in an inclined manner when the gears rotate, the distal end of the blade is bent, the sheath tube is hooked and then is cut, the pushing rod is pushed upwards, the distal end of the blade is straightened and then the whole needle knife is pulled out, meanwhile, the connecting groove formed at the upper end of the handle is used for connecting with an interface of the needle tube, the hollow state of the needle tube is similar to that of an injector, and the needle tube can be directly connected with the needle tube directly to inject medicine after the blade penetrates into a focus.

Drawings

Fig. 1 is a schematic perspective view of the whole structure of the present utility model.

Fig. 2 is a schematic cross-sectional elevation view of the present utility model.

FIG. 3 is a schematic view of the connecting rod of the present utility model.

Fig. 4 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.

Fig. 5 is an enlarged schematic view of the structure of fig. 2B according to the present utility model.

In the figure: 1. a handle; 2. a push rod; 3. a movable groove; 4. a connecting rod; 5. extending a vertical rod; 6. teeth; 7. a needle tube; 8. a connecting piece; 9. a blade; 10. a movable member; 11. a limit groove; 12. and a connecting groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The present utility model provides a multifunctional needle knife as shown in fig. 1-5, comprising:

the handle 1, the lower end of the handle 1 is provided with a needle tube 7, and the lower end of the needle tube 7 is provided with a blade 9;

the upper end of the blade 9 is provided with an adjusting mechanism;

a movable groove 3 is formed in one side of the handle 1, a push rod 2 is movably connected in the movable groove 3, a connecting piece 8 is fixedly connected to the upper end of a cutting edge 9, a movable piece 10 is fixedly connected to the upper end of the connecting piece 8, a needle tube 7 and the connecting piece 8 are movably connected through the movable piece 10, two movable pieces 10 are arranged, one end of the right movable piece 10 is fixedly connected with a gear, a connecting rod 4 is fixedly connected to the inner side of the push rod 2, an extension vertical rod 5 is fixedly connected to one side of the lower end of the extension vertical rod 5, the gear fixed by the right movable piece 10 is meshed with the teeth 6, a cavity is formed in the needle tube 7, the extension vertical rod 5 is positioned on one side of the inner wall of the cavity, the push rod 2 is rectangular, a rubber layer is sleeved outside the push rod 2, a connecting groove 12 is formed in the top of the handle 1, the top of the needle tube 7 is fixedly inserted with the bottom of the handle 1, a round hole groove is formed in the center of the handle 1, a limit groove 11 is formed in the interior of the handle 1, the connecting rod 4 is movably inserted with the limit groove 11;

the connecting groove 12 that handle 1 offered is used for the interface connection of cylinder, the one deck rubber layer that the push rod 2 surface cover was established is used for increasing frictional force, avoid sweating unhooking, movable groove 3 is the distance scope that push rod 2 can reciprocate and carries out spacingly to push rod 2, the cavity that needle tubing 7 offered is the cavity state, only extend montant 5 interlude in needle tubing 7 is inside, extend montant 5 and be medical stainless steel material, whole equipment is disposable, avoid disinfection used repeatedly to cause the gear of movable part 10 department to rust, cause the emergency to appear during the operation, connecting rod 4 plays and connects fixed effect with push rod 2 and extension montant 5, limiting groove 11 provides spacingly to connecting rod 4, can set up the buckle locking between push rod 2 and the handle 1, the both sides of movable groove 3 can adopt the mode of laser printing to survey and draw the scale table, conveniently adjust the crooked angle of needle sword, blade 9 is provided with many types, flat sword is made in the cutter body distal end and is convenient for cut, connecting rod 4 is put at needle sword wide face, in order to increase connecting rod width, intensity, fracture when preventing to collude cutting.

The working principle of the utility model is as follows:

after the blade 9 at the front end of the needle tube 7 longitudinally pierces the tendon layer of skin, the push rod 2 at the hand-held handle is manually pushed downwards, the push rod 2 moves downwards synchronously with the connecting rod 4 and the extension vertical rod 5 when being stressed, the tooth 6 fixed at the lower end of the extension vertical rod 5 is meshed with the gear at the movable part 10 and rotates with the gear, when the gear rotates, the connecting piece 8 and the blade 9 are rotated in an inclined angle, the distal end of the blade 9 is bent, the sheath tube is hooked for hooking, the push rod 2 is pushed upwards, the distal end of the blade 9 is straightened and then the whole needle knife is pulled out, meanwhile, the connecting groove 12 formed at the upper end of the handle 1 is used for connecting with an interface of a needle tube, the hollow state of the needle tube 7 is similar to that of a syringe needle, and the needle tube can be directly externally connected with the injection medicine of the needle tube until the affected part after the blade 9 pierces the focus.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model 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 described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A multifunctional needle knife comprising:

the needle tube (7) is arranged at the lower end of the handle (1), and a cutting edge (9) is arranged at the lower end of the needle tube (7);

the cutting edge (9) is characterized in that an adjusting mechanism is arranged at the upper end of the cutting edge;

the utility model discloses a handle, handle (1) one side has been seted up movable groove (3), inside swing joint of movable groove (3) has catch bar (2), cutting edge (9) upper end fixedly connected with connecting piece (8), connecting piece (8) upper end fixedly connected with moving part (10), needle tubing (7) and connecting piece (8) pass through moving part (10) swing joint, moving part (10) are provided with two, the right side the one end fixedly connected with gear of moving part (10), inboard fixedly connected with connecting rod (4) of catch bar (2), the tail end fixedly connected with of connecting rod (4) extends montant (5), extend montant (5) lower extreme one side fixedly connected with tooth (6), the right side the fixed gear of moving part (10) and tooth (6) meshing are connected.

2. The multifunctional needle knife according to claim 1, wherein the needle tube (7) is internally provided with a cavity, and the extending vertical rod (5) is positioned on one side of the inner wall of the cavity.

3. The multifunctional needle knife according to claim 1, wherein the pushing rod (2) is rectangular, and a rubber layer is sleeved outside the pushing rod (2).

4. The multifunctional needle knife according to claim 1, wherein the top of the handle (1) is provided with a connecting groove (12), the top of the needle tube (7) is fixedly inserted with the bottom of the handle (1), the center of the handle (1) is provided with a circular hole groove, and the circular hole groove is positioned between the connecting groove (12) and the needle tube (7).

5. The multifunctional needle knife according to claim 1, wherein a limit groove (11) is formed in the handle (1), and the connecting rod (4) is movably inserted into the limit groove (11).