CN211243487U - Puncture device - Google Patents

Abstract

The utility model provides a puncture device, including base, extensible member and cardboard, the base includes first base and second base, first base parallel fixation sets up on the second base, just first base with the both sides of second pedestal connection department respectively are equipped with cardboard propulsion spout, the cardboard is empty, the cardboard top is equipped with middle boss, the relative endwise slip of cardboard card is established in the cardboard impels the spout, a side of second base has been seted up and has been inserted the chamber, the extensible member is equipped with inserts a section of thick bamboo, it establishes to insert the relative endwise slip of a section of thick bamboo insert in the chamber, first recess is established at the top of first base, first recess is used for putting into medical pjncture needle. The utility model discloses a puncture device can convenient operation, and aseptic safety can trade again and wear the ear nail that is difficult to allergic pure silver, pure gold.

Description

Puncture device

Technical Field

The utility model relates to a piercing depth field, mainly used human puncture, for example earlobe, ear bone, nostril etc..

Background

In recent years, earholes and other human body punctures have been pursued by many fashionable boys and girls as one of fashion elements. The existing ear piercing method mainly comprises a 'ear nail gun' bullet piercing method and a manual propelling ear piercing method except the traditional old method, the 'ear nail gun' bullet piercing method is simple and convenient to operate and universal to use, the defects that the sterilization is not in place and the infection is easy to occur, instruments are not disposable, and the cross infection of the hematopathy is easy to occur after the instruments are repeatedly used every time; the manual pushing ear-piercing device technology disclosed in the prior art granted patent CN204671199U is not only a disposable piercing device, but also has no risk of cross infection, and the piercing operation is simple, fast and accurate in positioning. However, the disadvantages of this method are: firstly, only steel nails can be put through, and allergy is easy to occur; secondly, the part of the prior art tool behind the supporting earlobe is too thick, and particularly when the length of the earlobe is longer than that of the ear shape of the back head spoon, the thickness ensures that the tool cannot be accurately and completely placed into the root of the earlobe, so that the worn part is not easy to be vertical and is easy to be inclined; thirdly, especially when the thin earlobe is punctured, the height of the ear nail position and the height of the ear nail holder which are coaxial are too high, so that the reserved space can not completely support a stress surface, and the thin strip sheet which is used as a supporting point is easy to be distorted; and the plug is arranged behind the ear nail, and the plug is too tight to be worn behind the ear lobe due to the thick ear lobe, so that the ear hole is inconvenient to clean, and secretion and dirt are easily accumulated on the plug, so that the ear hole is inflamed.

Aiming at the defects of the perforation method, the ear nail which is exquisite in structure, convenient to operate, sterile and safe and not easy to be allergic to pure silver and pure gold is designed, and meanwhile, the problems that the tool cannot be accurately and completely placed into the root of the earlobe due to the thickness when the part of the tool in the prior art for supporting the rear part of the earlobe is too thick, particularly when the ear shape of the ear lobe is relatively attached to the back of the brain, the part to be worn is not easy to be vertical and is easy to be inclined are solved; the problem that when a thin earlobe is punctured, a long strip-shaped sheet which is used as a supporting point and is arranged at the ear nail position is easy to bend because the height of the ear nail position is too high along with the height of the ear nail holder, and the reserved space cannot completely support a stress surface; the problem of especially thick earlobe wear the ear nail, the stopper that has behind the ear nail, because of the earlobe is thick, it is too tight to wear the stopper behind the earlobe, inconvenient clean ear hole, and still collect secretion and dirt on the stopper easily, lead to the ear hole inflamed is solved.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect of the background art, the utility model provides a puncture device to the main technical problem who solves includes: firstly, only steel nails can be put through, and allergy is easy to occur; secondly, the part of the prior art tool behind the supporting earlobe is too thick, and particularly when the length of the earlobe is longer than that of the ear shape of the back head spoon, the thickness ensures that the tool cannot be accurately and completely placed into the root of the earlobe, so that the worn part is not easy to be vertical and is easy to be inclined; thirdly, the height of the ear nail position is too high together with the height of the ear nail holder, when the ear nail is pushed out, the strip-shaped sheet arranged at the ear nail position is used as a supporting point, the reserved space cannot completely support a stress surface, and the ear nail is easy to be askew especially when meeting a thin earlobe; fourthly, a plug is arranged behind the worn ear nail, the thick earlobe is worn too tightly, the plug is inconvenient to clean the ear hole, and secretion and dirt are easily accumulated on the plug, so that the ear hole is inflamed.

In order to solve the technical problem the utility model provides a puncture device, including base, extensible member and cardboard, the base includes first base and second base, first base parallel fixation sets up on the second base, just first base with the both sides of second pedestal junction respectively are equipped with cardboard and impel the spout, the cardboard is empty, the cardboard top is equipped with middle boss, the relative endwise slip's of cardboard card is established in the cardboard impels the spout, a side of second base has been seted up and has been inserted the chamber, the extensible member is equipped with inserts a section of thick bamboo, insert the relative endwise slip of a section of thick bamboo and insert and establish in inserting the chamber, first recess is established at the top of first base, first recess is used for putting into medical pjncture needle. The utility model discloses a puncture device can convenient operation, and aseptic safety can trade again and wear the ear nail that is difficult to allergic pure silver, pure gold.

Preferably, the telescopic piece is further provided with a needle seat, the needle seat is provided with a second groove, the cross section of the second groove is U-shaped, the width of the U-shaped groove is 1/4-2/3 of the needle seat, the arrangement of the width can better enlarge the visual field of an operator, and the puncture position can be found and positioned more quickly and accurately. The height of the U-shaped part is higher than that of the second base, and the height enables the puncture needle to penetrate through the U-shaped part when the clamping plate is pushed to drive the puncture needle to puncture.

Preferentially, the extensible member still is equipped with inserts a section of thick bamboo, it is equipped with an axial tube hole on the section of thick bamboo to insert, the axial tube hole be blind hole and opening corresponding to insert the end of inserting of a section of thick bamboo, insert in the axial tube hole and be equipped with a compression spring, on the compression spring with insert in the other end that the one end of axial tube hole corresponds supports and holds insert on the chamber diapire in chamber, insert still protruding be equipped with on the chamber diapire in chamber with the coaxial spring reference column of axial tube hole, compression spring supports and holds a pot head on the chamber diapire in chamber is inserted and is established on the spring reference column.

Preferentially, the extensible member still is equipped with the slide rail, the transversal T shape of personally submitting of slide rail, it is in to insert a parallel fixed the setting of section of thick bamboo the one end of slide rail corresponds on the middle rib of T shape cross-section, but the both sides limit that corresponds T shape cross-section on the slide rail is established axial gliding key respectively two slide rail location spouts on the inner wall of chamber both sides are inserted, slide rail location spout is used for fixing a position the removal of slide rail. The fixed plate that still is equipped with of one end of slide rail, the bottom of needle file sets up on the fixed plate, the height of fixed plate is less than or equal to the height of second base guarantees not touch when the puncture finger to finger injury is avoided. The width of the needle seat is 1/2-2/3 of the fixing plate, the width of the needle seat solves the problems that the needle seat is too narrow and is not easy to position, so that the positioning is not accurate, and the needle seat is too wide and can not be accurately and completely placed into a long earlobe and the root of the ear lobe of the back spoon after being attached to the brain, so that the penetrated part is not easy to be vertical and the needle seat is easy to be inclined. The thickness of the needle seat is larger than or equal to that of the fixing plate, the thickness of the needle seat is 2-6mm, the thickness of the needle seat is not only prevented from being too thin and not enough in strength, but also prevented from being too thick and not being placed into the most root part of an earlobe, and therefore the penetrated part is not easy to be vertical and is easy to be inclined.

Preferably, the clamping plate comprises a first end portion and a second end portion, the side face of the first end portion is free of a baffle, the side face of the second end portion is provided with a baffle, bottom protruding ribs capable of being clamped in the pushing sliding grooves of the clamping plate are respectively arranged on two sides of the bottom of the clamping plate, the bottom protruding ribs and the two long side faces of the clamping plate are integrally formed, the bottom protruding ribs extend from the first end portion of the clamping plate, and the bottom protruding ribs and the tail boss are matched to limit the length of the clamping plate sliding to the tail portion of the first base.

Preferably, the width and the depth of the first groove are 0.4-1.6mm, so that the medical puncture needle is clamped by the first groove and is not loosened or tightened.

Preferentially, it is equipped with protruding partition fin to correspond protruding respectively on the both sides inner wall of inserting the chamber, two it can with to separate the fin insert the chamber and separate into first base with the second base, it is equipped with to correspond protruding in the chamber it all has seted up slide rail location spout on the both sides inner wall of partition fin to insert, slide rail location spout is used for gliding the inserting to establish the extensible member.

Preferably, the first base further has a first end and a second end, the second base further has a first end and a second end, the first end of the first base and the side of the first end of the second base are on the same plane, the second end of the first base and the side of the second end of the second base are not on the same plane, and the second end of the first base is shorter than the second end of the second base, or the second end of the first base and the side of the second end of the second base are on the same plane, and the second end of the first base is equal to the second end of the second base. The bottom rib is 1/3-2/3 of the card when the second end of the first base is not in the same plane as the side of the second end of the second base, and 1/4-2/4 of the card when the second end of the first base is in the same plane as the side of the second end of the second base. The length range of the bottom convex rib ensures that the needle tip of the medical puncture needle placed in the first groove can not touch the earlobe.

Preferably, the second end of the first base is fixedly connected with the second base through a tail boss of the clamping plate pushing sliding groove, so that the clamping plate is prevented from sliding out of the first base.

Preferably, a strip-shaped slot hole is formed in the bottom of the second base, the slot hole is parallel to the slide rail, one end of the slot hole penetrates through the bottom wall of the insertion cavity, a guide sliding groove is formed in the inner side wall of the slot hole, which is formed in the insertion cavity, between the opening of the insertion cavity and the slot hole, the depth of the guide sliding groove is gradually reduced from the opening of the insertion cavity to the slot hole, and the bottom wall of the guide sliding groove is an inclined guide surface; an elastic hook extends from the end face of one end of the slide rail, which is correspondingly inserted into the insertion cavity, the slide rail is inserted into the insertion cavity, and the elastic hook can be hooked on the hole wall of one side, corresponding to the guide sliding groove, in the clamping groove hole. The guide sliding groove is used for guiding the elastic clamping hook to jump into the clamping groove hole when the sliding rail is inserted into the inserting cavity, and after the elastic clamping hook is clamped into the clamping groove hole, the sliding rail can be effectively axially limited in the inserting cavity under the limiting action between the elastic clamping hook and the clamping groove hole, so that the sliding rail cannot easily fall off.

Drawings

Fig. 1 is a schematic overall sectional structural view of a first embodiment of the present invention.

Fig. 2 is a schematic view of the structure of the base according to the first embodiment of the present invention.

FIG. 3 is a schematic view of another angle structure of the base according to the first embodiment of the present invention

Fig. 4 is a schematic view of the structure of the clamping plate according to the first embodiment of the present invention.

Fig. 5 is a schematic structural view of the expansion piece according to the first embodiment of the present invention.

Fig. 6 is a schematic overall structure diagram of a second embodiment of the present invention.

Fig. 7 is a schematic structural view of the clamping plate according to the second embodiment of the present invention.

Fig. 8 is an overall sectional structural view of the prior art.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from them without inventive effort.

For the sake of simplicity, only the parts relevant to the present invention are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".

In the prior art shown in fig. 8, a piercing ear nail b can be fixedly clamped in the two mutually buckled clamping shells 32, the piercing ear nail b pierces the ear lobe of the user relatively to the axial direction and is inserted into an ear nail card a in the nail clamping seat 23, and the piercing ear nail b and the ear nail card a are left on the ear lobe of the user. Ear nail b and ear nail card a among the prior art are fixed with the ear-piercing device and are worn the ear together, just can be not hard, painful sense little, and quick the passing because of the material that the ear nail need have certain hardness, so prior art chooses for use the ear nail of similar medical steel material, nevertheless can not choose for use pure gold pure silver, because of the metal texture of pure gold pure silver is too soft to pass the earlobe, more can not pass the ear bone. The utility model provides a problem, because of the utility model discloses not directly wear the earlobe with the ear nail, the ear nail is not fixed in on the piercing depth, is changed and wears away. The utility model discloses direct ear-piercing is that the medical pjncture needle that adopts disposable aseptic package punctures, passes behind the earlobe, holds the needle forceps again and cliies pure gold pure silver's ear nail and replaces medical pjncture needle, leaves the pure gold pure silver ear nail that is difficult for anaphylaxis in the ear hole.

In addition, medical pjncture needle is disposable aseptic, and a hole needle does not have cross infection's risk, the utility model discloses piercing depth, preparation low cost can disposable packing of high temperature disinfection as perforating equipment, also does not have cross infection's risk, because of piercing depth contactless blood wound, high temperature disinfection also can repetitious usage before the use, does not have cross infection's risk. The details of the method are shown in the examples.

Example one

A puncture device according to the present invention will be described in more detail with reference to fig. 1 to 5.

The embodiment provides a puncturing device, as shown in fig. 1 to 5, which includes a base 1, a clamping plate 2 and an expansion member 3, wherein the base 1 includes a first base 11 and a second base 12, the first base 11 is fixedly disposed on the second base 12 in parallel, clamping plate pushing chutes 13 are respectively disposed on two sides of a connection portion of the first base 11 and the second base 12, the first base 11 and the second base 12 are respectively provided with a first end portion and a second end portion, and a first end portion 111 of the first base and a side surface of a first end portion 121 of the second base are on the same plane. In this embodiment, the first base 11 is in a square shape, and a first groove 113 is formed at the top of the first base 11 and is used for placing a medical puncture needle to complete puncture.

In this embodiment, the clamping plate 2 is slidably clamped in the clamping plate pushing sliding groove 13 at the joint of the first base 11 and the second base 12, the clamping plate 2 is hollow, the clamping plate 2 includes a first end portion 21 and a second end portion 22, the side surface of the first end portion 21 has no baffle, the side surface of the second end portion 22 has a baffle, bottom protruding ribs 23 capable of being clamped in the clamping plate 2 pushing sliding groove are respectively arranged on two sides of the bottom of the clamping plate 2, the bottom protruding ribs 23 and two long side surfaces of the clamping plate 2 are integrally formed, and a middle boss 24 is arranged at the top of the clamping plate 2. The middle boss 24 of the clamping plate is used for pushing the medical puncture needle to a proper length, so that the medical puncture needle is convenient to replace. That is to say, after a user puts a medical puncture needle into the first groove 113, the user holds the first base 11 and the extensible member 3 with hands, punctures the earlobe with strength, then pushes another hand into the clamping plate 2 and pushes the medical puncture needle out of the earlobe by a certain length, then holds the needle forceps to clamp the pure gold and pure silver ear nail and replace the medical puncture needle, and leaves the pure gold and pure silver ear nail which is not easy to be allergic in the ear hole. The length of the pure gold and pure silver ear nail is longer than that of a conventional ear nail, the ear nail is conveniently bent into a closed ring shape at the back of an ear lobe after passing through the ear lobe, the ear nail is not attached to the ear lobe, the ear nail is breathable, secretion and dirt are not easy to accumulate, and the ear nail is easy to clean.

In this embodiment, as shown in fig. 2, the second end 112 of the first base and the second end 122 of the second base are not on the same plane, and the second end 112 of the first base is shorter than the second end 122 of the second base, and the corresponding card board 2 is shorter than the second base 12, so as to save materials and reduce cost.

In this embodiment, as shown in fig. 2, the second end 112 of the first base is fixedly connected to the second base 12 through the tail boss 126 of the pushing sliding slot of the card board 2, so that the tail boss 126 can block the card board 2 from sliding out of the first base 11.

In this embodiment, as shown in fig. 2 and 4, the width and depth of the first groove 113 on the top of the first base 11 are both 0.4-1.6mm, so as to block the medical puncture needle, the medical puncture needle should not be too loose and too tight, the puncture needle should fall out easily if too loose, which wastes the puncture needle and delays time, and the puncture needle should not be placed into the first groove if too tight. The root of the medical puncture needle is propped against the middle boss 24 of the clamping plate 2, so that the medical puncture needle is not easy to slide out of the first groove 113.

In this embodiment, as shown in fig. 1, fig. 2 and fig. 3, the second base 12 is a square block, the second base 12 has been provided with a cavity 123 on a side corresponding to the square block, a partition rib 124 is provided on the inner walls of both sides of the cavity 123, two the partition rib 124 can separate the cavity 123 into the first base 11 and the second base 12, a slide rail positioning sliding groove 125 is provided on the inner walls of both sides of the partition rib 124. The slide rail positioning sliding groove 125 is used for slidably inserting the telescopic member 3.

In this embodiment, as shown in fig. 5, the extensible member 3 includes an insertion tube 31, a sliding rail 32 and a needle seat 33, the insertion tube 31 can be inserted into the insertion cavity 123 in a relatively axial sliding manner, the cross section of the sliding rail 32 is T-shaped, the insertion tube 31 is fixedly disposed in parallel on a middle rib 34 of one end of the sliding rail 32 corresponding to the T-shaped cross section, and two side edges of the sliding rail 32 corresponding to the T-shaped cross section are respectively provided with a key capable of axially sliding in two sides of the insertion cavity 123.

In this embodiment, as shown in fig. 5, the bottom of the needle seat 33 is disposed on a fixing plate 35, the fixing plate 35 is fixedly connected to the slide rail 32, and the slide rail 32 is positioned in the slide rail positioning sliding groove 125. The height of the fixing plate 35 of the needle seat 33 is lower than or equal to the height of the second base 12, so that fingers are not touched during puncturing, and the fingers are prevented from being injured. The thickness of the needle base is 2-6mm, so that the situation that the needle base 33 is too thin and not enough in strength is avoided, and the situation that the needle base 33 is too thick and cannot be completely placed into the most root part of an earlobe is avoided, so that the penetrated part is not easy to be vertical and is easy to be inclined is avoided. The width of the needle seat 33 is 1/2-2/3 of the fixing plate 35, and the width of the needle seat 33 not only solves the problem that the needle seat 33 is too narrow and is not easy to position, thereby causing inaccurate positioning, but also solves the problem that the needle seat 33 is too wide and can not be accurately and completely placed into a long earlobe and the root of the ear lobe of a spoon which is relatively stuck to the back of the brain, thereby causing the penetrated part to be not easy to be vertical and easy to be inclined.

In this embodiment, as shown in fig. 5, the needle holder 33 is further provided with a second groove 38, the cross section of the second groove 38 is U-shaped, the width of the U-shape is 1/4-2/3 of the needle holder 33, the arrangement of the width can better enlarge the visual field of an operator, and the puncture position can be found and positioned more quickly and accurately. The cross section of the second groove 38 is U-shaped, the width of the U-shaped is 1/4-2/3 of the needle seat, the height of the U-shaped is higher than that of the second base 12, and the height enables the puncture needle to penetrate through the U-shaped when the puncture needle is driven to puncture by pushing the clamping plate 2. The U-shaped arrangement of the second groove 38 solves the problem that in the prior art, especially when piercing a thin earlobe, the height of the ear nail, which is coaxial with the ear nail holder, of the strip-shaped sheet arranged at the ear nail as a supporting point is too high, so that the space reserved by the ear nail cannot completely support a stress surface, and the ear nail is prone to being askew.

In this embodiment, as shown in fig. 4 and 5, an axial tube hole 36 is formed in the insertion tube 31, the axial tube hole 36 is a blind hole, and an opening of the axial tube hole 36 corresponds to the insertion end of the insertion tube 31, a compression spring 4 is inserted into the axial tube hole 36, the other end of the compression spring 4, which corresponds to the end inserted into the axial tube hole 36, abuts against the cavity bottom wall of the insertion cavity 123, a spring positioning column 127 coaxial with the axial tube hole is further convexly disposed on the cavity bottom wall of the insertion cavity 123, one end of the compression spring 4, which abuts against the cavity bottom wall of the insertion cavity 123, is sleeved on the spring positioning column 127, and the sliding rail 32 can automatically slide out of the insertion cavity under the driving of the elastic restoring force applied to the insertion tube 32 by the compression spring 4.

In this embodiment, as shown in fig. 1, fig. 2 and fig. 5, a strip-shaped slot 128 is formed at the bottom of the second base 12, the slot 128 is parallel to the slide rail 32, and one end of the slot penetrates through the bottom wall of the insertion cavity 123, a guide sliding slot 129 is formed between the opening of the insertion cavity 123 and the slot on the inner side wall of the slot 128 in the insertion cavity 123, the depth of the guide sliding slot 129 gradually decreases from the opening of the insertion cavity 123 to the slot 128, and the bottom wall of the guide sliding slot 129 is an inclined guide surface; an elastic hook 37 extends from an end surface of one end of the slide rail 32, which is inserted into the insertion cavity 123, the slide rail 32 is inserted into the insertion cavity 123, and the elastic hook 37 can be hooked on a side hole wall of the slot hole 128, which corresponds to the guide chute 129. When the slide rail 32 is inserted into the insertion cavity 123, the guide sliding groove 129 guides the elastic hook 37 to jump into the hook hole 128, and after the elastic hook 37 enters the hook hole 128, the slide rail 32 can be effectively axially limited in the insertion cavity under the limiting action between the elastic hook 37 and the hook hole 128, so as not to easily fall off.

In this embodiment, as shown in fig. 1, the outer wall of the second end 122 of the second base 12 is convexly provided with anti-slip insections 6, and the other side of the fixing plate corresponding to the base is also convexly provided with anti-slip insections 5, where the anti-slip insections are used for preventing slipping during operation.

Example two

Referring to fig. 6, the puncturing device of this embodiment is different from the puncturing device of the first embodiment in that the length of the first base 41 is different from the length of the second base 42.

In this embodiment, as shown in fig. 6 and 7, the bottom rib 53 is disposed in cooperation with the tail portion of the second base to limit the length of the card board 5 sliding to the tail portion of the first base 41, that is, when the medical puncture needle is placed into the first groove, the needle tail of the medical puncture needle abuts against the top end of the middle boss 54, and the card board 5 is pushed to slide to the second end 412 of the first base 41 until the bottom rib 53 is stopped by the tail boss and cannot slide further. The length of the bottom rib 53 is 1/4-2/4 of the clamping plate 5, and the length range of the bottom rib 53 ensures that the needle point of the medical puncture needle placed in the first groove can not touch the earlobe.

In this embodiment, the second end portion of the first base 41 and the second end portion 422 of the second base 42 are on the same plane, that is, the second end portion 412 of the first base 41 is equal to the second end portion 422 of the second base 42. Before puncturing, the clamping plate 5 sliding towards the second end part 412 of the first base protrudes out of the second end part 422 of the second base, and when a finger pinches the second end part 422 of the second base, the protruding part plays a supporting role, so that the finger can more stably pinch the puncturing device.

It should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art will be able to make the description as a whole, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art. The above-listed series of detailed descriptions are merely specific illustrations of possible embodiments of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention are intended to be included in the scope of the present invention.

Claims (10)

1. A lancing device, characterized by: including base, extensible member and cardboard, the base includes first base and second base, first base parallel fixed set is in on the second base, first base with the both sides of second base junction respectively are equipped with the cardboard and impel the spout, the cardboard is empty, the cardboard top is equipped with middle boss, the relative endwise slip of cardboard card is established in the cardboard impels the spout, a side of second base has been seted up and has been inserted the chamber, the extensible member is equipped with inserts a section of thick bamboo, insert the relative endwise slip of a section of thick bamboo and insert and establish insert in the chamber, first recess is established at the top of first base, first recess is used for putting into medical pjncture needle.

2. The lancing device of claim 1, wherein: the telescopic piece is further provided with a needle seat, the needle seat is provided with a second groove, the cross section of the second groove is U-shaped, the width of the U-shaped is 1/4-2/3 of the needle seat, and the height of the U-shaped is higher than that of the second base.

3. The lancing device of claim 2, wherein: the telescopic part is further provided with an inserting barrel, the inserting barrel is provided with an axial tube hole, the axial tube hole corresponds to the inserting end of the inserting barrel through a blind hole and an opening, a compression spring is inserted into the axial tube hole, the compression spring is inserted into the other end corresponding to one end of the axial tube hole and is abutted to the cavity bottom wall of the inserting cavity, a spring positioning column coaxial with the axial tube hole is further convexly arranged on the cavity bottom wall of the inserting cavity, and one end of the compression spring abutted to the cavity bottom wall of the inserting cavity is sleeved on the spring positioning column.

4. The lancing device of claim 3, wherein: the extensible member still is equipped with the slide rail, the transversal T shape of personally submitting of slide rail, the parallel fixed setting of a section of thick bamboo of inserting is in on the middle rib of the one end correspondence T shape cross-section of slide rail, but the both sides limit that corresponds the T shape cross-section on the slide rail is established respectively endwise slip's key in two slide rail location spouts on the inner wall of chamber both sides, the fixed plate that is equipped with of one end of slide rail, the bottom of needle file sets up on the fixed plate, the height of fixed plate is less than or equal to the height of second base, the width of needle file does 1/2-2/3 of fixed plate, the needle file is thicker than or equal to the fixed plate thickness, the thickness of needle file is 2-6 mm.

5. The lancing device of claim 4, wherein: the clamping plate comprises a first end portion and a second end portion, the side face of the first end portion is free of a baffle, the side face of the second end portion is provided with a baffle, bottom convex ribs capable of being clamped in the clamping plate pushing sliding grooves are arranged on two sides of the bottom of the clamping plate respectively, the bottom convex ribs and the two long side faces of the clamping plate are integrally formed, and the bottom convex ribs extend from the first end portion of the clamping plate.

6. The lancing device of claim 1, wherein: the width and the depth of the first groove are both 0.4-1.6 mm.

7. The lancing device of claim 6, wherein: insert and correspond protruding partition fin that is equipped with respectively on the both sides inner wall in chamber, two it can with to separate the fin insert the chamber and separate into first base with the second base, it corresponds protruding being equipped with in the chamber to insert all seted up slide rail location spout on the both sides inner wall of partition fin.

8. The lancing device of claim 5, wherein: the medical puncture needle comprises a first base, a second base and a bottom rib, wherein the top of the first base is provided with a first groove, the first groove is used for placing a medical puncture needle, when the second end of the first base and the side surface of the second end of the second base are not on the same plane, the length of the bottom rib is 1/3-2/3 of the clamping plate, and when the second end of the first base and the side surface of the second end of the second base are on the same plane, the length of the bottom rib is 1/4-2/4 of the clamping plate.

9. The lancing device of claim 8, wherein: the second end of the first base is fixedly connected with the second base through a tail boss of the clamping plate pushing sliding groove.

10. The lancing device of claim 9, wherein: a strip-shaped clamping groove hole is formed in the bottom of the second base, the clamping groove hole is parallel to the sliding rail, one end of the clamping groove hole penetrates through the bottom wall of the inserting cavity, a guide sliding groove is formed in the inner side wall of the clamping groove hole, located between the cavity opening of the inserting cavity and the clamping groove hole, in the inserting cavity, the depth of the guide sliding groove is gradually reduced from the cavity opening of the inserting cavity to the clamping groove hole, and the bottom wall of the guide sliding groove is an inclined guide surface; an elastic hook extends from the end face of one end of the slide rail, which is correspondingly inserted into the insertion cavity, the slide rail is inserted into the insertion cavity, and the elastic hook can be hooked on the hole wall of one side, corresponding to the guide sliding groove, in the clamping groove hole.

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