WO2010128701A1

WO2010128701A1 - Lancing device

Info

Publication number: WO2010128701A1
Application number: PCT/KR2009/002656
Authority: WO
Inventors: 신병섭; 정경호; 최성철
Original assignee: Shin Byong Sup; Jeong Kyeong Ho; Cui Cheng Zhe
Priority date: 2009-05-06
Filing date: 2009-05-20
Publication date: 2010-11-11
Also published as: KR20100120403A

Abstract

Disclosed is a lancing device which comprises: an inner cover formed by coupling a first cover part to a second cover part; a trigger mounted to the inner cover and further comprising a lancet mounting device with an extension bar protruding on one side thereof; a first elastic body for providing an ejection force to the trigger; a second elastic body which is embedded in a second operation chamber of the inner cover; a load button having one end disposed in the second operation chamber of the inner cover to contact with the other end of the second elastic body and the other end protruding to the outside; an ejection button which is mounted in the inner cover; an outer cover which accommodates the inner cover at an inner circumference thereof; an end cap which is coupled to the front of the inner cover; and a control tip which is coupled to the end cap.

Description

Blood collection device

The present invention relates to a blood collection device, and more particularly, to a blood collection device that performs a simple blood collection by loading a disposable lancet.

In general, patients with chronic diabetes should have their own blood glucose test daily at home to measure blood glucose levels and manage disease to maintain a constant blood sugar level. In order to perform blood glucose test, blood must be collected.

A small amount of capillary blood is taken through the skin with a lancet and then buried in a strip and the blood glucose level is measured using a blood glucose tester equipped with the strip.

Here, as a means for collecting blood, a lancing device is mainly used. Such a blood collection device includes a lancet holder equipped with a loading unit including a disposable lancet, for example, an elastic body and a cocking lever, a lancet holder installed on the lancet holder and covering the lancet and attaching the needle only for skin penetration. It consists of an end cap formed with a protruding hole.

In addition, the disposable lancet is provided with a lancet at one end of the lancet body having a predetermined length, and the lancet is configured to combine a protective cap.

According to such a configuration, the conventional blood collection device first separates the end cap from the lancet holder and then attaches the disposable lancet to the lancet holder to cover the end cap while compressing the elastic body of the loading unit and closes the capillaries such as fingers. After pressing, the trigger lever of the whole body is pressed to trigger the disposable lancet to penetrate the skin. Thereafter, the periphery of the skin is pressed to obtain sufficient capillary blood, and capillary blood is applied to the strip of the blood glucose meter to measure the blood glucose level.

On the other hand, since the skin thickness of each person and the part to be collected may be different, there is a need to adjust the penetration depth has been developed a product that can control the penetration depth of the needle, US Patent No. 5,613,978 The configuration is It is described in detail. In the US Patent No. 5,613,978, the user is to adjust the penetration depth of the lancet needle by turning the adjustment tip provided on the end cap.

However, in the conventional blood collection device, the method of adjusting the depth of penetration of the needle is to control the depth of penetration of the needle by turning the control tip so that the front of the loaded lancet body, that is, the front portion of the lancet body protruding from the needle, is caught. In this case, the shape of the disposable lancet is unusual, but there is a lancet that can not be used, there is a limit to the application range of the disposable lancet.

In addition, in order to use a disposable lancet in the blood collection device, even when mounting the disposable lancet with both hands by turning the disposable lancet in the loading unit, such as mounting or pulling the mounting method of the disposable lancet is difficult problem, the mounting process There is a problem that occurs when the user is stuck in the blood.

In addition, the existing blood collection device has a problem in that the needle is inadvertently stabbed in the process of separating the disposable lancet after the blood collection by the user to pull out by manual method. In particular, when blood is collected by an inspector (third party), the blood needle of the blood of the blood collector may pierce or touch the inspector's hand in the process of separating the disposable lancet from the blood collection device, thereby preventing the infection of the pathogen. There is a problem.

Thus, the present invention was devised to solve the general problems of the existing blood collection device,

The problem to be solved by the present invention is to provide a blood collection device that can be universal for various types of disposable lancet by adjusting the penetration depth of the blood collection needle by the lancet is equipped with the whole body.

Another problem to be solved by the present invention is to provide a blood collection device that can be convenient to the user by performing the mounting operation of the disposable lancet with one hand.

Another problem to be solved by the present invention is to provide a blood collection device that can reduce the infection caused by pathogens during blood collection by minimizing physical contact between the user (or inspector) and the blood collection needle by performing the separation operation of the lancet by the removal button There is.

As a specific means of the present invention for solving the above problems;

A first cover body and a second cover body are combined to each other, and each cover body has a stopper-mounted trigger button installation groove facing each other, and the inside of each cover body has an elastic body receiving groove therebetween. An inner cover divided into an operation chamber and a second operation chamber, and having a protrusion formed at one end of each cover body;

A part of which is housed in the first operating chamber of the inner cover is exposed to the outside through the protruding portion, the outer circumference is provided with a cutting groove and the first and second guide projections and the lancet mounting protrusion protruding in the opposite position; A protrusion formed at one side of the lancet mounting opening and accommodated in the first operating chamber and the second operating chamber and positioned at the rear end of the elastic projection and the second operating chamber, the elastic protrusion being caught by the stopper; A full body consisting of extension bars comprising groups;

A first elastic body, one end of which is fixed to the fixing jaw of the loader to give a triggering force to the loader, and the other end of which is inserted into the elastic body receiving groove;

A second elastic body which is installed in the second operating chamber of the inner cover in a state in which the engaging protrusion of the extension bar is accommodated therein, and one end of which is supported and fixed to one side of the elastic body receiving groove;

One end is received in the second operation chamber of the inner cover and the other end protrudes to the outside so as to contact the other end of the second elastic body, and at one end accommodated in the second operation chamber, an elastic protrusion of the loader is attached to the stopper. A loading button having a loading groove for locking and moving the locking protrusion of the extension bar so as to be locked and loaded, and a movement guide protrusion protruding from the rear of the loading groove;

A percussion button installed in the percussion button installation groove so as to detach the elastic protrusion caught by the stopper;

The inner cover is accommodated in its inner diameter so that the projecting portion is exposed to the outside of the one end and the loading button is exposed to the outside of the other end, and the mounting groove is provided at one end thereof, and the trigger button is exposed to the outside at the outer circumference thereof. An outer cover provided with a trigger button through-hole;

An end cap installed at one end of the outer cover to be coupled to the inner diameter and provided with a mounting protrusion fixed to the mounting groove, the front end having a depth adjusting tooth formed therein;

The depth cap is coupled to the end cap, the depth adjusting port having a tapered surface at the rear of the rotary ball provided with a blood collection needle, and the depth adjusting port is provided with an elastic fixing protrusion fixed to the end cap and a protrusion fixed to the depth adjusting tooth. It provides a blood collection device comprising a; control tip.

In a preferred embodiment, a first guide groove for guiding the first guide protrusion and the second guide protrusion of the lancet mounting fitting so that the front surface of the lancet mounting fitting is in contact with the tapered surface of the depth adjusting fitting in the first operating chamber of the inner cover. And a second guide groove.

In a preferred embodiment, the second operation chamber of the inner cover may be provided with a movement guide groove having a slope for guiding the movement guide projection.

As a preferred embodiment, the adjustment tip may be configured to change the tapered surface position of the depth adjustment by the forward, reverse rotation of the rotary ball by the depth adjustment tooth and the projection body.

In a preferred embodiment, the removal button installation groove is provided in the first operating chamber of the inner cover, and the removal button may be installed in the outer cover by forming a removal button through hole extending from the mounting groove.

More preferably, the removal button may be configured to include a lancet removal protrusion for removing the installed lancet of the lancet fitting, and the end cap separation projection.

In a preferred embodiment, the first operating chamber of the inner cover may be provided with a positioning body for determining the position of the removal button and the second guide projection of the lancet mounting opening.

As described above, the blood collection device according to the present invention can be generalized to the disposable lancet of various structures as the lancet mounting opening of the whole body is equipped with a disposable lancet is caught on the tapered surface of the depth adjusting mechanism to adjust the penetration depth of the blood collection needle, The operation of adjusting the depth of penetration of the blood collection needle also has the advantage of easily adjusting the depth of penetration by turning the depth knob in both directions. In addition, the blood collection device of the present invention can be loaded by pressing the mounting button one time after mounting the disposable lancet in the lancet mounting opening with one hand even when the loading operation of the disposable lancet can be conveniently performed.

In addition, according to the blood collection device of the present invention by performing the operation of separating the disposable lancet by the removal button can prevent the phenomenon that the tester is stuck to the blood collection needle or infected by pathogens in the process of separating the disposable lancet as before. It works.

1 is an exploded perspective view for explaining a blood collection device according to a first embodiment of the present invention.

2 is a combined perspective view for explaining a blood collection device according to a first embodiment of the present invention.

3 to 7 are cross-sectional views for explaining the operating state of the blood collection device according to the first embodiment of the present invention.

8 is a cross-sectional view for explaining the penetration depth adjustment state of the blood collection needle by the control tip in the blood collection device according to the first embodiment of the present invention.

9 is an exploded perspective view for explaining a blood collection device according to a second embodiment of the present invention.

10 is a combined perspective view of a blood collection device according to a second embodiment of the present invention.

11 is an overall cross-sectional view of a blood collection device according to a second embodiment of the present invention.

12 is a perspective view of the main portion for explaining the operation of the removal button in the blood collection device according to the second embodiment of the present invention.

13 is a perspective view for explaining a state in which the end cap is separated by the removal button in the blood collection device according to the second embodiment of the present invention.

14 is a perspective view of the main portion for explaining the action state of the positioning body in the blood collection device according to the second embodiment of the present invention.

Explanation of symbols for major parts of drawing

1: blood collection device 2: inner cover

3: whole body 4: first elastic body

5: second elastic body 6: loading button

7: trigger button 8: outer cover

9: end cap 10: adjustment tip

11: rotary ball 12: depth adjustment

21: first cover body 22: second cover body

23: trigger button installation groove 24: elastic body receiving groove

25: 1st operating room 26: 2nd operating room

27: protrusion 28: removal button

29: positioning body 31: lancet fitting

32: extension bar 61: loading groove

62: moving guide projection 81: mounting groove

82: trigger button through hole 83: remove button through hole

91: mounting projection 92: depth adjustment tooth

100: disposable lancet 110: blood collection needle

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is an exploded perspective view for explaining a blood collection device according to a first embodiment of the present invention, Figure 2 is a combined perspective view for explaining a blood collection device according to a first embodiment of the present invention.

1 and 2, the blood collection apparatus according to the first embodiment of the present invention includes an inner cover 2, a charger 3, first and second elastic bodies 4 and 5, and a loading button. 6, the cock button 7, the outer cover 8, the end cap 9 and the adjustment tip 10 is configured to include.

The inner cover 2 is configured by combining the first cover body 21 and the second cover body 22. In other words, the inner cover 2 has a cylindrical shape in which front and rear sides are opened by combining the first cover body 21 and the second cover body 22 having left and right symmetrical structures. Each of the

cover bodies

21 and 22 as described above is provided with a form in which a stopper 231 is provided with a trigger button installation groove 23 facing each other. In addition, the inside of each cover body (21, 22) is divided into the first operating chamber 25 and the second operating chamber 26 with the elastic body receiving groove 24 therebetween, one end of each cover body (21.22) That is, the front is provided with a projection 27, for example a projection 27 is provided with an assembly groove (not shown in the figure) for firm coupling with the outer cover 8 to be described later. In this case, a first guide groove 251 and a second guide groove 252 are provided at opposite positions in the first operating chamber 25 of the inner cover 2, and the second operation of the inner cover 2 is performed. The seal 26 has a moving guide groove 261 having an inclined portion 262 for guiding the moving guide protrusion 62 of the loading button 6 to be described later.

The charger 3 includes a lancet fitting 31 and an extension bar 32. At this time, the lancet mounting opening 31 is partially exposed to the outside through the protrusion 27 in a state accommodated in the first operating chamber 25 of the inner cover 2, the outer periphery (incision groove) 311), the first guide grooves 251 and the second guide grooves provided in the first and second guide protrusions 312 and 313, that is, the first operating chamber 25 of the

cover bodies

21 and 22, respectively. The first and second guide protrusions 312 and 313 guided in the inserted state 252 protrude at opposite positions. In addition, the extension bar 32 is protruded on one side of the lancet mounting opening 31 is accommodated in the first operating chamber 25 and the second operating chamber 26, the cock button installation groove 23 The elastic protrusion 321 which is caught by the stopper 231, the fixing jaw 322 provided at the rear of the elastic protrusion 321, and the locking protrusion 323 which is located in the second operation chamber 26. It is configured to include.

The first elastic body 4 is applied with a compression spring. The first elastic body 4 is fixed to the fixing jaw 322 in a state where one end thereof is inserted into the extension bar 32 of the loader 3, and the other end thereof is fixed to the elastic body receiving groove 24. Is inserted. According to such a configuration, the first elastic body 4 is compressed / extended between the fixing jaw 322 and the elastic body accommodating groove 24 to impart a triggering force to the whole body 3.

The second elastic body 5 is installed in the second operation chamber 25 of the inner cover 2 in a state in which the engaging protrusion 323 of the extension bar 32 is accommodated therein. The second elastic body 5 is applied to the compression spring like the first elastic body 4 described above, one end of which is supported and fixed to one side of the elastic body receiving groove 24.

One end of the loading button 6 is accommodated in the second operation chamber 26 of the inner cover 2 so as to contact the other end of the second elastic body 5, and the other end thereof is outside of the inner cover 2. To protrude. In the loading button 6, the extension bar 32 is disposed so that the elastic protrusion 321 of the loading device 3 is caught by the stopper 231 at one end accommodated in the second operation chamber 26. A loading groove 61 for locking the locking projection 323 of the < RTI ID = 0.0 >), < / RTI > a movement guide protrusion 62 protruding from the rear of the loading groove 61, i.e., a second operation chamber of the inner cover 2; A movement guide protrusion 62 guided to the movement guide groove 261 provided at 26 is provided. According to this configuration, when the user presses the loading button 6, the other end compresses the second elastic body 5 and at the same time the moving guide protrusion 62 is moved along the moving guide groove 261 to load the loading. The engaging projection 323 of the extension bar 32 is accommodated in the groove 61, and then the loading button 6 passes through the inclined portion 262 of the moving guide groove 261. While being rotated at a predetermined angle, the locking protrusion 323 of the extension bar 32 is locked to the loading groove 61. Thereafter, when the force used to press the loading button 6 is released, the loading button 6 is returned to its original position by the restoring force of the second elastic body 5. In this case, the locking protrusion 323 of the extension bar 32 is used. Since the extension bar 32 of the loader 3 is pulled backward as the original position is locked to the loading groove 61, the elastic protrusion 321 provided in the extension bar 32 is attached to the stopper 231. As the jam is loaded, the loading of the whole body 3 is performed.

The trigger button 7 is installed in the trigger button installation groove 23. The trigger button 7 has a structure in which the button body is elastically connected to the plate-shaped plate, the trigger button 7 is separated from the elastic projection 321 is caught on the stopper 231 by the user's pressing operation. It works.

The outer cover 8 is formed in a cylindrical shape, the inner cover 2 so that the protrusion 27 of the inner cover 2 is exposed to the outside of the one end and the loading button 6 is exposed to the outside of the other end. To the inner diameter. The outer cover 8 is provided with a mounting groove 81 at one end thereof, for example, a mounting groove 81 into which the mounting protrusion 91 of the end cap 9 to be described later is inserted, and at the outer circumference thereof. Trigger button through-hole 82 is provided so that the button 7 is exposed to the outside. At this time, the outer cover 8 is preferably provided with an assembling protrusion (not shown in the figure) corresponding to the assembling groove provided in the inner cover 2 for firm coupling with the inner cover 2 described above. Do.

The end cap 9 is installed at one end of the outer cover 8 so that the protrusion 27 is coupled to its inner diameter. The end cap 9 has a mounting protrusion 91 fixed to the mounting groove 81 protrudes at the rear thereof, and the depth adjusting teeth 92 are formed at the front thereof. At this time, the outer cap of the end cap 9 is preferably provided with an adjustment scale indicated by a number of numbers so that the user can easily adjust the penetration depth of the blood collection needle.

The adjusting tip 10 is coupled to the front of the end cap (9). Such a control tip 10 has a structure consisting of a rotating sphere 11 and the depth control 12 as a body, the rotary sphere 11 is provided with a blood collection needle penetration hole 111, the rotary sphere ( The depth adjusting tool 12 provided at the rear of the 11) is composed of a tapered surface 121, that is, an end surface thereof inclined at a predetermined angle. In addition, the depth adjusting device 12 is provided with an elastic fixing protrusion 122 fixed to the end cap (9), and a projection body 123 is engaged with the depth adjusting tooth (92). At this time, the adjusting tip 10 is the tapered surface 121 of the depth adjusting opening 12 when the rotating hole 11 is rotated forward and backward by the depth adjusting tooth 92 and the protrusion 123. ) Has a structure in which the inclined position is changed in the same way, which initially ends the adjustment tip 10 so that the position where the control tip 10 is coupled to the end cap 9 corresponds to the highest inclination position of the tapered surface 121. It is realized by assembling in the cap 9.

Thus, the working state of the blood collection device according to the first embodiment of the present invention having the configuration as described above will be described.

3 to 7, the blood collection device 1 according to the first embodiment of the present invention first detaches the end cap 9 from the protrusion 27 in order to load the disposable lancet 100. At this time, the lancet mounting opening 31 of the charger 3 maintains a part of which protrudes out of the protrusions 27 (FIG. 3).

Thereafter, the user (or inspector) removes the protective cap (not shown in the drawing) covering the lancet 110 of the disposable lancet 100 and then holds the disposable lancet 100 with one hand, and the lancet fitting 31 ) And then the loading button 6 is pressed to load the elastic protrusion 321 of the loader 3 onto the stopper 231. The loading operation is such that the user (or inspector) presses the loading button 6 once so that the engaging projection 323 of the extension bar 32 is caught in the loading groove 61 of the loading button 6 as described above. Afterwards, in parallel with the operation in which the loading button 6 is returned to its original position by the restoring force of the second elastic body 5, the loader 3 is pulled backward from the inner cover 2 so that the elastic protrusion 321 of the extension bar 32 is At the same time, the first elastic body 4 is compressed by being caught by the stopper 231. (FIG. 4, FIG. 5)

When the loader 3 is loaded as described above, the user (or the inspector) triggers the end cap 9 on the protrusion 27 and then moves the control tip 10 close to the body part such as a finger. A small amount of capillary blood is collected by pressing the button 7 to allow the lancet 110 of the lancet 100 to penetrate the skin. In this case, the triggering force of the charger 3 may be obtained through an elastic restoring force in which the first elastic body 4 is restored to a circular shape as the elastic protrusion 321 is detached from the stopper 231. (FIG. 6, FIG. 7)

Thereafter, the end cap 9 is separated from the protruding portion 27, and the blood collection operation is completed by separating the disposable lancet 100 in the lancet fitting opening 31 with one hand.

Here, in the present invention, when the user adjusts the penetration depth of the lancet 100 through the end cap (9) and the adjustment tip (10), the end of the lancet mounting port 31 triggered the depth of the control device (12) It has a structure to adjust the penetration depth by engaging the tapered surface 121, the rotating sphere 11 of the adjusting tip 10 in both directions, that is, forward or reverse rotation to the depth of the rotating sphere 11 and one body By changing the inclination angle of the tapered surface 121 of the end of the control 12, it is possible to conveniently adjust the penetration depth of the lancet blood collection needle (110).

In other words, Figure 8 is a cross-sectional view for explaining the penetration depth adjustment state of the blood collection needle by the control tip in the blood collection device according to the first embodiment of the present invention, as shown in Figure 7 the lancet fitting 31 is tapered When the rotary hole 11 is positioned to be in contact with the highest inclined position of the surface 121, the lancet blood collection needle 110 penetrates deeply, and as shown in FIG. 8, the lancet mounting opening 31 is the minimum inclined angle of the tapered surface 121. Rotating the rotary ball 11 forward and backward to abut the position, since the depth of the lancet 110 of the lancet 100 becomes shallow, thereby adjusting the penetration depth of the lancet lancet 110 in this manner.

Therefore, in the blood collection device 1 according to the first embodiment of the present invention having the configuration as described above, the lancet mounting opening 31 of the charger 3, on which the disposable lancet 100 is mounted, has a taper of the depth adjuster 12. As it is caught on the surface 121 to adjust the depth of penetration of the blood immersion needle 110 can be used universally in the disposable lancet 100 of various structures and shapes, the operation of adjusting the depth of penetration of the blood immersion needle 110 (depth control port ( 12) and by turning the rotating sphere 11 which is one body in both directions there is an advantage that can easily adjust the penetration depth. In addition, the blood collection device 1 according to the first embodiment of the present invention is equipped with a single-handed lancet mounting device 31 on the lancet mounting opening 31 with one hand even when the loading operation of the disposable lancet 100 and then the loading button (6) It can be loaded once by pressing, so the loading work can be performed conveniently.

Second Embodiment

9 is an exploded perspective view for explaining a blood collection device according to a second embodiment of the present invention, Figure 10 is a combined perspective view of the blood collection device according to a second embodiment of the present invention.

9 and 10, the blood collection device 1 according to the second embodiment of the present invention includes an inner cover 2, a charger 3, first and second elastic bodies 4 and 5, and , Reload button (6), cock button (7), the outer cover (8), including the end cap (9) and the adjusting tip (10), further comprises a removal button (28).

Here, since the second embodiment of the present invention is configured to further include a remove button 28 in the component of the first embodiment, a description of the components of the first embodiment will be omitted.

The removal button 28 is installed in the first operating chamber 25 of the inner cover 2. The removal button 28 is configured to include a lancet removal projection 281 and the end cap separation projection 282 for removing the lancet 100 installed in the lancet mounting opening 31, such a removal button 28, the end cap separation protrusion 282 protrudes at one end of the plate and the lancet is removed in the same direction as the protruding direction of the end cap separating protrusion 282 at one end of the button body elastically connected to the plate. The protrusion 281 has a structure that protrudes.

Meanwhile, the first operating chamber 25 of the inner cover 2, that is, the first operating chamber 25 of the first cover body 21 and the second cover body 22, is installed to install the removal button 28. ) Guides the plate provided with a removal button installation groove 283, for example, the lancet removal protrusion 281 and the end cap separation protrusion 282, and at the same time a portion (button body) of the removal button 28 protrudes to the outside. The removal button installation groove 283 is configured to be provided, such removal button installation groove 283 is preferably formed on the opposite side of the above-described trigger button installation groove 23. In addition, the outer cover 8 is provided with a removal button through-hole 83 extending from the mounting groove 81, ie, a removal button through which a part (button body) of the removal button 28 is exposed to the outside. A ball 83 is formed.

In addition, the positioning body 29 for determining the position of the removal button 28 and the second guide projection 313 of the lancet mounting opening 31 in the first operating chamber 25 of the inner cover (2). For example, a positioning member 29 is formed of a soft synthetic resin material and opens and closes the second guide groove 252 in which the second guide protrusion 313 is guided according to the position of the removal button 28. .

Thus, the coupling state and the action state of the blood collection device according to the second embodiment of the present invention having the configuration as described above will be described.

Referring to Figure 11, the blood collection device 1 according to the second embodiment of the present invention is provided with a removal button 28 in the removal button installation groove 283, this removal button 28 is triggered button (7) Are assembled at opposite locations. The blood collection apparatus 1 of the second embodiment performs the blood collection operation in the same manner as in the first embodiment described above, and when the blood collection is completed, the end cap 9 and the lancet 100 are removed by using the removal button 28. Will be separated.

12 is a perspective view of a main portion for explaining the operation state of the removal button in the blood collection device according to a second embodiment of the present invention, Figure 13 is a removal button in the blood collection device according to a second embodiment of the present invention Is a perspective view for explaining a state in which the end cap is separated.

12 and 13, after the blood collection is completed, pushing the removal button 28 forward, the removal button 28 is guided to the removal button installation groove 283 is moved forward, at this time removal button 28 End cap separation protrusion 282 of the push the end cap (9), the lancet removal protrusion 281 is moved along the cutting groove 311 of the lancet mounting opening 31 is inserted into the lancet mounting opening (31) Since the lancet 100 is pushed, the end cap 9 and the lancet 100 are separated.

Accordingly, in the blood collection apparatus according to the second embodiment of the present invention, the process of separating the disposable lancet as in the prior art by performing the operation of separating the disposable lancet 100 and the end cap 9 by the removal button 28. In this case, the tester can prevent the infection of the pathogen by being pierced or in contact with the needle.

Referring to FIG. 14, the positioning body 29 is installed between the removal button installation groove 283 and the second guide groove 252 so that the removal button 28 is pushed forward, that is, the end cap 9 and When the lancet 100 is pushed forward to separate, the second guide groove 252 is moved to block the second guide groove 252, so that the second guide protrusion 313 of the lancet fitting 31 is rearward To prevent movement. In addition, when the removal button 28 is moved to the initial position, the second guide groove 252 is returned to its original position. Accordingly, the positioning member 29 prevents the loading device 3 including the lancet mounting opening 31 from being loaded when the removal button 28 is not returned to the user. It performs the function of perception.

Claims

A first cover body and a second cover body are combined to each other, and each cover body has a stopper-mounted trigger button installation groove facing each other, and the inside of each cover body has an elastic body receiving groove therebetween. An inner cover divided into an operation chamber and a second operation chamber, and having a protrusion formed at one end of each cover body;

A part of which is housed in the first operating chamber of the inner cover is exposed to the outside through the protruding portion, the outer circumference is provided with a cutting groove and the first and second guide projections and the lancet mounting protrusion protruding in the opposite position; A protrusion formed at one side of the lancet mounting opening and accommodated in the first operating chamber and the second operating chamber and positioned at the rear end of the elastic projection and the second operating chamber, the elastic protrusion being caught by the stopper; A full body consisting of extension bars comprising groups;

A first elastic body, one end of which is fixed to the fixing jaw of the loader to give a triggering force to the loader, and the other end of which is inserted into the elastic body receiving groove;

A second elastic body which is installed in the second operating chamber of the inner cover in a state in which the engaging protrusion of the extension bar is accommodated therein, and one end of which is supported and fixed to one side of the elastic body receiving groove;

One end is received in the second operation chamber of the inner cover and the other end protrudes to the outside so as to contact the other end of the second elastic body, and at one end accommodated in the second operation chamber, an elastic protrusion of the loader is attached to the stopper. A loading button having a loading groove for locking and moving the locking protrusion of the extension bar so as to be locked and loaded, and a movement guide protrusion protruding from the rear of the loading groove;

A percussion button installed in the percussion button installation groove so as to detach the elastic protrusion caught by the stopper;

The inner cover is accommodated in its inner diameter so that the projecting portion is exposed to the outside of the one end and the loading button is exposed to the outside of the other end, and the mounting groove is provided at one end thereof, and the trigger button is exposed to the outside at the outer circumference thereof. An outer cover provided with a trigger button through-hole;

An end cap installed at one end of the outer cover such that the protrusion is coupled to an inner diameter thereof, and having a mounting protrusion fixed to the mounting groove, and having a depth adjusting tooth formed at a front thereof;

The depth cap is coupled to the end cap, the depth adjusting port having a tapered surface at the rear of the rotary ball provided with a blood collection needle, and the depth adjusting port is provided with an elastic fixing protrusion fixed to the end cap and a protrusion fixed to the depth adjusting tooth. Blood collection device comprising a;
The method of claim 1,

First guide grooves and second guide grooves for guiding the first guide protrusion and the second guide protrusion of the lancet mounting fitting so that the front surface of the lancet mounting fitting is in contact with the tapered surface of the depth adjusting opening in the first operating chamber of the inner cover. Blood collection device, characterized in that provided.
The method of claim 1,

Blood collection device, characterized in that the movement guide groove having a slope for guiding the movement guide projection is provided in the second operating chamber of the inner cover.
The method of claim 1,

The depth adjusting device is a blood collection device, characterized in that the position of the tapered surface is configured to be changed in the same position by the forward, reverse rotation of the rotary tool coupled to the control tip.
The method of claim 1,

The first operation chamber of the inner cover is provided with a removal button installation groove, the outer cover is a blood collection device, characterized in that the removal button through-hole is formed to extend from the mounting groove is installed.
The method of claim 5,

The removal button is a blood collection device, characterized in that it comprises a lancet removal projection for removing the lancet is installed, the end cap separation projection of the lancet mounting fitting.
The method of claim 5,

A blood collection device, characterized in that a positioning body for determining the position of the removal button and the second guide projection of the lancet mounting opening is installed in the first operating chamber of the inner cover.