CN107981914B

CN107981914B - Small knife needle equipment and small knife needle device

Info

Publication number: CN107981914B
Application number: CN201711182196.0A
Authority: CN
Inventors: 文玉强
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-11-23
Filing date: 2017-11-23
Publication date: 2020-11-03
Anticipated expiration: 2037-11-23
Also published as: CN107981914A

Abstract

The invention relates to the field of medical equipment, in particular to knife needle equipment and a knife needle device. The lancet device includes a lancet assembly and a holding assembly for preventing the lancet assembly from falling off the needle application site, the lancet assembly being connected to the holding assembly. The fixing component comprises a hook lock component for hooking the needle application part and a vacuum adsorption component for forming vacuum on the needle application part to prevent the position deviation of the needle application process of the small needle component, the vacuum adsorption component is connected with the hook lock component, and the small needle component is connected with the vacuum adsorption component. This knife needle equipment can carry out locking to executing the needle region and fix, reduces the person of executing the needle and seeks the area of executing the needle position, fixes executing the needle position simultaneously, liberates the both hands of executing the needle personnel, is convenient for execute the control of needle personnel to the knife needle.

Description

Small knife needle equipment and small knife needle device

Technical Field

The invention relates to the field of medical equipment, in particular to knife needle equipment and a knife needle device.

Background

The small knife needle therapy is an occlusive, open procedure that is intermediate between surgical and non-surgical procedures. Is formed by combining an incisional surgery method and a needling method. The operation of the small knife needle therapy is characterized in that the deep part of the treatment part is punctured to the pathological change part for easy cutting, and the harmful tissue is stripped, so as to achieve the purposes of relieving pain and removing diseases. The indications are mainly soft tissue injury and osteoarthropathy. The small knife needle therapy has the advantages of simple operation of the treatment process and no limitation of any environment and condition. The incision is small during treatment, no suture is needed, the injury to human tissues is small, the infection is not easy to cause, the adverse reaction is avoided, the patient does not have obvious pain and fear feeling, the rest is not needed after the operation, the treatment time is short, the treatment course is short, and the patient can easily accept the medicine.

In the process of using the small knife needle, a medical worker needs to fix or determine the needle application position with one hand and then carry out small knife needle treatment with the other hand, and the position of the small knife needle may deviate in the treatment process, so that the operation effect is affected. Meanwhile, the accuracy of needle application can not be ensured only by the experience of the needle application personnel for determining the needle application position.

Disclosure of Invention

The invention aims to provide a small needle device which can lock and fix a needle application area, reduce the area of a needle application part searched by a needle applier, fix the needle application part, free the two hands of the needle applier and facilitate the control of the small needle by the needle applier.

Another object of the present invention is to provide a small needle device which can accurately determine a needle application site, hook the needle application site, facilitate needle application by a needle application worker, and prevent the needle application worker from cutting a non-diseased part.

The embodiment of the invention is realized by the following steps:

a lancet device includes a lancet assembly and a holding assembly for preventing the lancet assembly from falling off from a needle application site, the lancet assembly being connected to the holding assembly. The fixing component comprises a hook lock component for hooking the needle application part and a vacuum adsorption component for forming vacuum on the needle application part to prevent the position deviation of the needle application process of the small needle component, the vacuum adsorption component is connected with the hook lock component, and the small needle component is connected with the vacuum adsorption component.

In a preferred embodiment of the present invention, the vacuum suction assembly includes a vacuum suction tube, two ends of the vacuum suction tube are respectively communicated with the hook lock assembly, and the vacuum suction tube is connected with the knife needle assembly.

In a preferred embodiment of the present invention, the hook assembly includes a first hook and a second hook, and the first hook and the second hook are respectively communicated with two ends of the vacuum suction pipe.

In a preferred embodiment of the present invention, the first hook locking member comprises an upper hook member and a lower hook member, the upper hook member and the lower hook member are slidably connected, and the lower hook member is in communication with the vacuum suction pipe.

In a preferred embodiment of the present invention, the upper hook member includes an upper hook, a first connecting rod, and a bolt, the upper hook is integrally formed with one end of the first connecting rod, the bolt is integrally formed with a middle portion of the first connecting rod, and the lower hook member is threadedly coupled to the bolt.

In a preferred embodiment of the present invention, the above-mentioned lancet device further comprises a connecting assembly to which the lancet assembly, the vacuum suction tube and the hooking lock assembly are connected.

In a preferred embodiment of the present invention, the above-mentioned small lancet assembly comprises a crochet hook, a hook and a knife, the hook and the knife are respectively connected with a vacuum suction tube, and the vacuum suction tube and the connecting assembly are connected with the crochet hook.

In a preferred embodiment of the present invention, the connecting assembly includes a second connecting rod, a first elastic member and a first button, the second connecting rod and the first elastic member are disposed in the vacuum tube, two ends of the first elastic member are respectively connected to the second connecting rod and the first button, the first button is connected to the hook lock assembly, the second connecting rod is slidably connected to the vacuum tube, and the second connecting rod is connected to the hook.

In a preferred embodiment of the present invention, the connection assembly further includes a third connection rod, a second elastic member and a second button, the third connection rod and the second elastic member are disposed in the vacuum suction tube, two ends of the third connection rod are respectively connected to the crochet hook and the vacuum suction tube, the second elastic member is connected to the second button, the second button is connected to the hook lock assembly, and two ends of the second elastic member are respectively connected to the crochet hook and the second connection rod.

A knife needle device comprises the knife needle equipment.

The embodiment of the invention has the beneficial effects that: the position of the small knife needle assembly is fixed through the fixing assembly, the two hands of medical staff are liberated, the medical staff can find a diseased part more accurately and more quickly, meanwhile, the hook is used for hooking the diseased part all the time, excessive non-diseased parts are prevented from being cut, the health of a patient is improved, and the safety of the small knife needle is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural diagram of a knife needle device provided in an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a vacuum adsorption assembly according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a receiving chamber provided in an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a connection assembly according to an embodiment of the present invention.

Icon: 100-a knife needle device; 200-a small needle assembly; 300-a stationary component; 400-a hook lock assembly; 500-vacuum adsorption component; 401-a first hook and lock; 402-a second hook-and-lock; 410-upper hook element; 420-lower hook element; 411-hooking; 413-first connecting rod; 415-a bolt; 501-vacuum suction pipe; 503-gas flow holes; 505-vacuum detector; 507-through via holes; 509-a first baffle; 511-a second baffle; 513-bumps; 515-grooves; 517-a containment chamber; 201-crochet hook; 203-hooks; 205-knife; 211-connecting tube; 213-a knife handle; 215-a blade; 600-a connecting assembly; 601-a second connecting rod; 603-a first resilient member; 605-a first key; 607-third connecting rod; 609-a second elastic element; 611-second key; 613-fixing plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "first", "second", "third", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

As shown in fig. 1, the present embodiment provides a lancet device 100 including a lancet assembly 200 and a fixing assembly 300 for preventing the lancet assembly 200 from falling off from a needle application site, the lancet assembly 200 being connected to the fixing assembly 300.

The fixing component 300 is used for fixing the needle application part, preventing the small knife needle from falling off from the needle application area, simultaneously liberating the two hands of the needle applicator and facilitating the control of the needle applicator to the small knife needle. The fixing member 300 includes a hook locking member 400 for hooking the needle application portion and a vacuum suction member 500 for forming a vacuum to the needle application portion to prevent the position deviation of the needle application process of the knife needle assembly 200, the vacuum suction member 500 is connected to the hook locking member 400, and the knife needle assembly 200 is connected to the vacuum suction member 500.

The hook lock assembly 400 can hook and lock human skin, so that the region of approximately applying the needle is determined, the size of the region searched by medical personnel on the needle applying position is reduced, and the operation time is saved. Meanwhile, the double hands of the medical staff can be liberated, and the medical staff can conveniently control and operate the small knife needle. Further, the hooking and locking part 400 includes a first hooking and locking part 401 and a second hooking and locking part 402, and the first hooking and locking part 401 and the second hooking and locking part 402 are respectively communicated with both ends of the vacuum sucking assembly 500.

The provision of the first and second hook-and-

lock members

401 and 402 enables a small needle application area to be determined and, at the same time, enables the lancet to be more stably combined with the skin of a human body, more effectively preventing the lancet assembly 200 from coming off. It should be noted that the first and

second catches

401, 402 are identical in structure and are merely located on either side of the vacuum attachment assembly 500, which in turn facilitates the stabilization of the lancet assembly 200. Meanwhile, the interior of the first hooking and locking part 401 and the interior of the second hooking and locking part 402 are of hollow structures, so that the vacuum degree in the vacuum adsorption component 500 can be conveniently adjusted, the weight of the whole knife needle device 100 can be reduced, and the phenomenon that the patient feels uncomfortable due to the fact that the knife needle device 100 is too heavy can be prevented.

Further, the first hook-and-lock assembly 401 includes an upper hook member 410 and a lower hook member 420, the upper hook member 410 and the lower hook member 420 being slidably coupled, the lower hook member 420 being in communication with the vacuum adsorption assembly 500. The upper hook 410 and the lower hook 420 are slidably connected to clamp and fix the skin of the human body, and then the needle application position is determined.

Specifically, the upper hook 410 includes an upper hook 411, a first connection rod 413, and a bolt 415, the upper hook 411 being integrally formed with one end of the first connection rod 413, the bolt 415 being integrally formed with a middle portion of the first connection rod 413, and the lower hook 420 being threadedly coupled with the bolt 415. The upper hook 411, the first connecting rod 413 and the bolt 415 are integrally formed, so that dirt is prevented from being collected at the joint of the upper hook 411, the first connecting rod 413 and the bolt 415, and the cleanliness of the small knife needle device 100 is guaranteed.

Further, the vertical section of the upper hook 411 is arc-shaped, and the upper hook 411 is bent towards one side relatively far away from the skin of the human body, so that the skin of the human body can be hooked and locked. After the upper hook 411 hooks the skin of the human body, the lower hook 420 moves downward by the bolt 415 and then clamps the skin of the human body, and then the first and second hook-and-

lock parts

401 and 402 realize the determination and fixation of the needle application region.

Further, the vacuum suction assembly 500 includes a vacuum suction pipe 501, both ends of the vacuum suction pipe 501 are respectively communicated with the latch assembly 400, and the vacuum suction pipe 501 is connected with the knife needle assembly 200.

Specifically, the first and

second hook members

401 and 402 communicate with both ends of the vacuum suction pipe 501, respectively, i.e., the lower hook member 420 communicates with the vacuum suction pipe 501. When the position of need giving the needle has certain vacuum, draw the vacuum from the tip of lower hook piece 420, make vacuum suction pipe 501 can absorb the air between position of giving the needle and vacuum suction pipe 501 then, make vacuum suction pipe 501 can adsorb the region of giving the needle steadily, then further prevent droing of knife needle subassembly 200, can guarantee that medical personnel find the position of giving the needle more fast. Meanwhile, the vacuum degree between the vacuum suction pipe 501 and the skin of the human body is controlled by the end part of the lower hook part 420 in the needle application process, so that the flow of extravasated blood at the needle application part is convenient to control, excessive blood loss caused by too high blood flow speed in the needle application process is prevented, extravasated blood can be accelerated to prevent accumulation of extravasated blood at the needle application part, the recovery of a patient is accelerated, and the safety of a small-knife needle is improved.

Further, a side of the vacuum suction pipe 501 relatively close to the skin of the human body and relatively close to the first and second hook-and-

lock members

401 and 402 is provided with a gas circulation hole 503, thereby facilitating a user to adjust the degree of vacuum between the vacuum suction pipe 501 and the skin through the lower hook member 420.

Specifically, a suction balloon or a bulge balloon is provided at the end of the lower hook member 420 relatively far from the upper hook 411, so that air in the lower hook member 420 and the vacuum suction pipe 501 can be sucked, and then air between the vacuum suction pipe 501 and the skin can be sucked. Or the end of the lower hook 420 may be connected to a suction device, which in turn adjusts the vacuum between the vacuum suction tube 501 and the skin.

Further, vacuum detector 505 is arranged on one side of vacuum suction tube 501, which is relatively close to the skin of a human body, so that the vacuum between vacuum suction tube 501 and the skin can be conveniently detected, medical personnel can conveniently control the vacuum between vacuum suction tube 501 and the skin, and the safety of knife needle device 100 is improved.

It should be noted that the vacuum degree detector 505 is connected to an existing control system or display system, so that the medical staff can directly read the vacuum degree between the vacuum suction tube 501 and the skin of the human body from the control system or display system, thereby facilitating the control of the vacuum degree.

Further, referring to fig. 2, 2 through holes 507 are formed in the vacuum suction pipe 501, the knife needle assembly 200 is disposed in the two through holes 507, and the vertical section of the through holes 507 is trapezoidal, so that a certain space can be provided for the rotation of the knife needle assembly 200, and then the needle application position can be accurately found, and the needle application by medical staff is facilitated. And the aperture of the side, which is relatively close to the human skin, of the through hole 507 is large, so that the position of the small knife needle can be effectively adjusted, and the vacuum degree between the vacuum suction pipe 501 and the human skin is ensured.

Further, a first partition 509 and a second partition 511 are further arranged in the vacuum suction pipe 501, the second partition 511 and the first partition 509 are integrally formed with the vacuum suction pipe 501, the first partition 509 and the second partition 511 form a containing chamber 517 for containing the knife needle assembly 200, and the knife needle assembly 200 can horizontally rotate and vertically move in the containing chamber 517 respectively.

Specifically, the vacuum suction tube 501 is provided with a plurality of projections 513 in the area of the accommodating chamber 517, and a plurality of grooves 515 are formed between the projections 513 to accommodate the lancet assembly 200, so that the horizontal position of the lancet assembly 200 can be adjusted. The first baffle 509 is also provided with a plurality of protrusions 513 on a side thereof opposite to the second baffle 511, and a plurality of grooves 515 are formed between the plurality of protrusions 513 to accommodate the lancet assembly 200, so that the vertical position of the lancet assembly 200 can be adjusted.

It should be noted that the vacuum suction tube 501 and the baffle are both transparent structures, which is convenient for the user to observe the position of the knife needle assembly 200 and is also convenient for the medical staff to observe the implementation situation of the knife needle.

Specifically, the knife needle assembly 200 comprises a crochet hook 201, a hook 203 and a knife 205, the hook 203 and the knife 205 are respectively connected with a vacuum suction pipe 501, and the vacuum suction pipe 501 is connected with the crochet hook 201. Specifically, the hook 203 and the knife 205 are respectively disposed in two through holes of the vacuum suction pipe 501, and the hook 203 and the knife 205 can rotate or move downward to penetrate into the human body.

Specifically, referring to fig. 3, the knife 205 includes a connecting tube 211, a handle 213 and a blade 215, the handle 213 and the blade 215 are disposed in the connecting tube 211, the handle 213 is connected to the blade 215, the handle 213 is connected to the connecting tube 211 by a screw, the connecting tube 211 is disposed in the through hole 507, the connecting tube 211 can rotate in the through hole 507, and then the horizontal position of the blade 215 is adjusted, and the vertical height of the knife 205 can be adjusted by adjusting the relative height of the handle 213 and the connecting tube 211.

It should be noted that the connection mode of the hook 203 and the vacuum suction pipe 501 is the same as the connection mode of the knife 205 and the vacuum suction pipe 501, that is, the connection pipes 211 are all provided, the connection pipes 211 can relatively penetrate through the through holes 507 to rotate, and the connection pipes 211 are all provided with threads to adjust the vertical height.

The crochet hook 201 is placed in the accommodating chamber 517 and connected with the vacuum suction pipe 501 and the first baffle 509, so that the crochet hook 201 can horizontally rotate and vertically slide, the crochet hook 201 can hook a lesion part or a part to be cut off conveniently, and redundant tissues are prevented from being cut off.

The crochet hook 201 hooks the lesion part, prevents secondary searching of the lesion part, improves removal speed, then utilizes the knife 205 to cut skin and determine the size of a taking hole, then utilizes the crochet hook 201 to drive the lesion part outwards, enables the lesion part to be discharged by external force, and the hook 203 can clear away some residual lesion parts and simultaneously discharges extravasated blood, and utilizes the crochet hook 201 to prevent redundant non-lesion parts from being cut off, thereby ensuring the safety of a small knife needle.

Further, the lancet device 100 further comprises a connecting assembly 600, to which the lancet assembly 200, the vacuum straw 501 and the hooking lock assembly 400 are connected. Specifically, the coupling assembly 600 is coupled to the crochet needle 201, the coupling assembly 600 is coupled to the vacuum suction pipe 501 and the first barrier, and the coupling assembly 600 is coupled to the lower hook 420.

Specifically, referring to fig. 4, the connection assembly 600 includes a second connection rod 601, a first elastic member 603 and a first button 605, which enable the latch 201 to rotate, the second connection rod 601 and the first elastic member 603 are both disposed in the vacuum suction tube 501, two ends of the first elastic member 603 are respectively connected with the second connection rod 601 and the first button 605, the first button 605 is connected with the latch assembly 400, the second connection rod 601 is slidably connected with the vacuum suction tube 501, and the second connection rod 601 is connected with the latch 201. That is, the second connecting rod 601 is disposed in the accommodating chamber 517, one end of the second connecting rod 601 selectively acts on the plurality of grooves 515 formed by the plurality of protrusions 513 on the vacuum suction pipe 501, and the other end of the second connecting rod 601 is connected to the crochet hook 201, so that when the position of the second connecting rod 601 is changed, the horizontal position of the crochet hook 201 is also changed. And the one end of first elastic component 603 is connected with second connecting rod 601, when first elastic component 603 takes place to warp, gives second connecting rod 601 effort for the position of second connecting rod 601 changes, and lug 513 still prevents that second connecting rod 601 from not receiving the effect of external force and restoring to the normal position down, and the push rod is convenient for medical personnel to operate.

An obtuse angle is formed between the second connecting rod 601 and the crochet hook 201, so that the first elastic piece 603 can adjust the position of the second connecting rod 601 conveniently, and then medical staff can adjust the position of the crochet hook 201 conveniently. And the vertical position of the connection point of the second connection rod 601 and the crochet hook 201 is not changed, that is, the second connection rod 601 only changes the horizontal position and does not change the vertical position.

Further, the connection assembly 600 further includes a third connection rod 607, a second elastic member 609 and a second button 611, which enable the crochet hook 201 to move vertically, the third connection rod 607 and the second elastic member 609 are both disposed in the vacuum suction pipe 501, two ends of the third connection rod 607 are respectively connected with the crochet hook 201 and the vacuum suction pipe 501, the second elastic member 609 and the second button 611 are connected, the second button 611 is connected with the hook lock assembly 400, and two ends of the second elastic member 609 are respectively connected with the crochet hook 201 and the second connection rod 601.

Specifically, the third connecting rod 607 is slidably connected to the first baffle 509, that is, one end of the third connecting rod 607 can slide up and down between the plurality of grooves 515 formed by the plurality of protrusions 513 of the first baffle 509, so as to adjust the vertical position or the insertion depth of the crochet hook 201. The second button 611 is connected to the second elastic member 609, so that when the medical staff presses the second button 611 downwards, the second elastic member 609 is acted downwards, so that the third connecting rod 607 can move downwards, and the crochet hook 201 can move downwards. And after the user looses his hand, the position of the third connecting rod 607 is limited by the plurality of bumps 513 on the first baffle 509, so as to prevent the third connecting rod 607 from returning to the original position, and then prevent the crochet hook 201 from returning to the original position, and then ensure that the crochet hook 201 can hook the diseased region at all times.

Further, a fixing plate 613 is disposed between the second connecting rod 601 and the second elastic member 609, the fixing plate 613 is connected to the vacuum suction pipe 501, and the second connecting rod 601 and the second elastic member 609 are respectively fixedly connected to the fixing plate 613, that is, the second connecting rod 601 drives the fixing plate 613 to rotate only, and the vertical height of the fixing plate 613 does not change, that is, the vertical position of the second connecting rod 601 does not change.

The second button 611 can drive the second elastic member 609 to move up and down, and an opening with a certain length is formed at a position corresponding to the second partition 511, so that the second button 611 can slide up and down.

The present invention also provides a lancet device (not shown) comprising the above-described lancet device 100.

In the embodiment, the operation method and principle of the small needle device are as follows:

roughly determine the area where the small knife needle needs to be used, then use the upper hook to take the human skin, then adjust the bolt and the lower hook, then make the lower hook and the upper hook interact and grip the skin. While the needle application area is determined by the first and second hook-and-lock members. Then, vacuum is extracted from the end part of the lower hook piece, so that a certain negative pressure is formed between the vacuum suction pipe and the skin of a human body, and the knife needle device is clamped on the skin of the human body more stably. Promote the horizontal position of first button regulation crochet hook, and press the second button, adjust the vertical position of crochet hook, make the crochet hook collude the skin, rotate the position of sword and move the sword downwards, make the sword cut through the skin, then the crochet hook pierces internally, and hook to the pathological change position and get, and outwards drive the pathological change position, then utilize the hook to get rid of remaining focus and get rid of extravasated blood, and simultaneously, adjust the vacuum between vacuum suction pipe and the skin, prevent a large amount of hemorrhage, promote extravasated blood to flow out fast simultaneously. And the small needle device preferably can remove the pathogenic rheumatism and has an excellent cutting effect without leaving scars.

In conclusion, the position of the small knife needle assembly is fixed through the fixing assembly, the two hands of medical staff are released, the medical staff can find a diseased region more accurately and quickly, meanwhile, the hook is used for hooking the diseased region all the time, excessive non-diseased regions are prevented from being cut, the health of a patient is improved, and the safety of the small knife needle is improved.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A lancet device comprising a lancet assembly and a holding assembly for preventing the lancet assembly from falling off from a needle application site, the lancet assembly being connected to the holding assembly; the fixing component comprises a hook lock component for hooking a needle application part and a vacuum adsorption component for forming vacuum on the needle application part to prevent the position deviation of the small needle component in the needle application process, the vacuum adsorption component is connected with the hook lock component, and the small needle component is connected with the vacuum adsorption component; the hook locking component comprises a first hook locking part and a second hook locking part, and the first hook locking part and the second hook locking part are respectively communicated with two ends of the vacuum adsorption component; the first hook lock comprises an upper hook and a lower hook, the upper hook and the lower hook are connected in a sliding mode, and the lower hook is communicated with the vacuum adsorption assembly; the upper hook piece comprises an upper hook, a first connecting rod and a bolt, the upper hook and one end of the first connecting rod are integrally formed, the bolt and the middle of the first connecting rod are integrally formed, and the lower hook piece is in threaded connection with the bolt.

2. The knife needle apparatus of claim 1, wherein the vacuum suction assembly includes a vacuum suction tube, both ends of the vacuum suction tube are respectively communicated with the hook lock assembly, and the vacuum suction tube is connected with the knife needle assembly.

3. The lancet device of claim 2, further comprising a connection assembly, the lancet assembly, the vacuum straw, and the hook lock assembly all being connected to the connection assembly.

4. The lancet device of claim 3, wherein the lancet assembly comprises a crochet hook, a hook and a knife, the hook and the knife being respectively connected to the vacuum tubing, the vacuum tubing and the connection assembly being connected to the crochet hook.

5. The knife needle apparatus of claim 4, wherein the connecting assembly includes a second connecting rod, a first elastic member and a first button, the second connecting rod and the first elastic member are both disposed in the vacuum tube, both ends of the first elastic member are respectively connected with the second connecting rod and the first button, the first button is connected with the hook lock assembly, the second connecting rod is slidably connected with the vacuum tube, and the second connecting rod is connected with the hook needle.

6. The knife needle apparatus according to claim 5, characterized in that the connecting assembly further comprises a third connecting rod, a second elastic member and a second button, the third connecting rod and the second elastic member are both disposed in the vacuum suction tube, both ends of the third connecting rod are respectively connected with the hook needle and the vacuum suction tube, the second elastic member is connected with the second button, the second button is connected with the hook lock assembly, and both ends of the second elastic member are respectively connected with the hook needle and the second connecting rod.

7. A lancet device characterized by comprising the lancet device of any one of claims 1 to 6.