KR101641025B1

KR101641025B1 - Blood sampling pen unit

Info

Publication number: KR101641025B1
Application number: KR1020150110008A
Authority: KR
Inventors: 웨이-니엔 첸; 하오-쳉 판
Original assignee: 웨이-니엔 첸
Priority date: 2015-08-04
Filing date: 2015-08-04
Publication date: 2016-07-29

Abstract

The blood collecting pen unit of the present invention includes a push rod, a rod holder provided on the push rod, a rotating sleeve, and a braking sleeve, and the rotating sleeve is selectively supported in contact with or in contact with the braking sleeve in the axial direction The rotating sleeve and the braking sleeve are not in contact with each other and are not supported, and the operating member is in contact with the braking sleeve and the push rod in an axial direction so as to be in contact with each other And the push rod pushes the lancet from the uppermost end of the blood collecting pen unit to the lowermost end of the blood collecting pen unit to allow the puncture to be released. When the rotary sleeve rotates and is positioned at the triggering waiting position, The rotating sleeve and the braking sleeve are held in contact with each other, The moving member can not move in the axial direction from the uppermost end of the blood collecting pen unit to the lowermost end of the blood collecting pen unit.

Description

BLOOD SAMPLING PEN UNIT}

The present invention relates to a blood collecting pen unit.

The patent CN2479917Y's blood-drawing pen makes it easy for the user to be exposed to danger, for example, when the lancet is in the state of a shotgun and the user performs a task of replacing the needle body, if the user accidentally presses the button May be injured.

The main object of the present invention is to ensure that the needle retraction operation can not proceed in the triggered state, thereby increasing the safety.

In order to achieve the above object, the blood collecting pen unit of the present invention includes a push member and a switch member. The push member has a push rod and a rod holder which is installed on the push rod. Wherein the switching member comprises a rotating sleeve and a braking sleeve, the rotating sleeve optionally being held in abutment with or in contact with the braking sleeve in contact with each other, the rotating sleeve being movable between a triggering standby position and a needle retracting position Wherein the rotary sleeve and the braking sleeve are not in contact with each other and are not supported when the rotary sleeve is rotated and positioned at the needle retreat position, And the push rod is brought into contact with the sleeve and the push rod so that the push rod pushes the lancet from the uppermost end of the blood collecting pen unit to the lowermost end of the blood collecting pen unit, When positioned, the rotating sleeve and the braking The ribs and the support is abutting each other, the operation member can not proceed with the axial movement to the lowest end of the blood collection pen unit from the top of the blood collection pen unit.

1 is a first perspective view of an internal unit;
2 is a second perspective view of the inner unit;
3 is an exploded view.
Fig. 3A is a perspective view of another view of the rod holder. Fig.
FIG. 3B is a perspective view of another rotation of the rotating sleeve; FIG.
4 is a perspective view.
5 is a cross-sectional view of the triggering standby state.
6 is a partial cross-sectional view at another time of the triggering standby state.
Fig. 7 is a cross-sectional view of the shotgun state.
8 is a cross-sectional view of the completion of the shotgun.
9 is a cross-sectional view of the triggered state.
10 is a cross-sectional view of the pre-needle retreat.
11 is a cross-sectional view of the needle retracted state.
12 is a cross-sectional view at another time of the needle retracted state.

1 to 6, 3A and 3B, the blood collecting pen unit 1 of the present invention includes a push member 10 and a switching member 20. [

The push member 10 has a rod holder 11 and a push rod 12 and a through hole 114 is passed through both ends of the rod holder 11. The push rod 12 is inserted into the hole 114 The push rod 12 and the rod holder 11 are connected to the outside of the rod holder 11 in the axial direction, Wherein the engaging portion 121 and the inner engaging portion 115 are in contact with and supported by each other and the inner engaging portion 115 is formed on a wall of the perforation 114, The outer engaging portion 121 is selectively supported in contact with the inner engaging portion 115 in the axial direction or in contact with each other and not supported by the inner engaging portion 115. More specifically, The inner engaging portion 115 is located at the upper portion of the outer engaging portion 121 .

The push rod 12 can move in the axial direction relative to the rod holder 11 when the push rod 12 and the rod holder 11 are not in contact with each other in the axial direction, The push rod 12 can be axially interlocked with the rod holder 11 when the rod 12 and the rod holder 11 are held in contact with each other, And the push rod 12 pushes the lancet 50 from the lowermost end of the puncture 114. The lancet 50 is inserted into the hole 114 at the upper end of the holder 11, You can.

The switching member 20 is provided with a rotating sleeve 21 and a braking sleeve 22 which are selectively held in contact with the braking sleeve 22 in axial direction or in contact with each other And the rotary sleeve 21 may be installed on the rod holder 11 so as to be rotatable between a trigger waiting position and an acute retracted position.

The rotary sleeve 21 and the braking sleeve 22 are not in contact with each other and are not supported while the rotary sleeve 21 is rotated and positioned at the acute and retracted position, And the push rod 12 can support the push rod 12 from the upper end of the blood collecting pen unit 1 to the lowest end of the blood collecting pen unit 1, 50). The rotating sleeve 21 and the braking sleeve 22 are held in contact with each other so that the operating member 30 can be rotated by the rotation of the blood collecting pen unit 1 to the lowermost end of the blood collecting pen unit 1 in the axial direction. Therefore, since the acupressure / retraction operation can not be performed in the triggering standby state, the erroneous operation of the lancet 50 can be prevented by mistake.

The rotating sleeve 21 and the braking sleeve 22 are supported by the second inner stopper 212 and the second outer stopper 221 in the axial direction so that the rotating sleeve 21 and the braking sleeve 22, 2 inner stopper 212, and the braking sleeve 22 has the second outer stopper 221 on its outer peripheral surface. The second outer stopper 221 and the second inner stopper 212 do not come into contact with each other in the axial direction to support the rotary sleeve 21 when the rotary sleeve 21 rotates and is positioned at the acute- The second outer stopper 221 and the second inner stopper 212 are held in contact with each other in the axial direction.

A first outer stopper 111 is formed on the outer wall of the rod holder 11 and the first outer stopper 111 is provided with a slot 112. A first inner stopper 111 is provided on the inner peripheral surface of the rotary sleeve 21, The first inner stopper 211 is inserted into and connected to the slot 112 when the rotary sleeve 21 is positioned at the acute and retracted position, The rod holder 11 can not move to the uppermost end of the blood collecting pen unit 1 because of the axial movement relative to the rotary sleeve 21. The first inner stopper 211 and the slot 112 are offset from each other when the rotation sleeve 21 is positioned at the triggering standby position and the rod holder 11 is rotated relative to the rotation sleeve 21 It can move in the axial direction.

The blood collecting pen unit includes a case member (40), and the switching member (20) includes a positioning sleeve (23). The push member 10 and the switching member 20 are accommodated in the case member 40 and the positioning sleeve 23 is fixed to the inside of the case member 40, The crystal sleeve 23 is installed on the rod holder 11. The case member 40 includes a pen body 41 and a pen cap 42 provided at the lowermost end of the pen body 41. The pen cap 42 is connected to the needle body 40 of the lancet 50, (51) to be stretched.

The positioning sleeve 23 is fixed to the pen body 41 and the positioning sleeve 23 has a positioning portion 231 on the outer circumferential surface thereof. The pen body 41 has a button 411 and the rotary sleeve 21 has a contact portion 213 to be in contact with the button 411 in the radial direction The rod holder 11 further includes an elastic piece 113 selectively contacting the contact portion 213 on the outer circumferential surface of the rod holder 11. When the rotary sleeve 21 is positioned at the triggering standby position, The push member 10 can move axially between the loading position and the triggering position.

The elastic piece 113 and the contact portion 213 contact with each other in the radial direction and the positioning portion 231 and the elastic piece 113 are in contact with each other when the push member 10 is positioned at the loading position, The elastic member 113 and the positioning unit 231 are prevented from being in contact with each other by supporting the button 411 in contact with the contact portion 213 so that the push member 10 can be moved to the triggering position so that the push rod 12 causes the needle body 51 of the lancet 50 to extend out of the pen cap 42.

The operating member 30 includes a pressing member 31 and an inhibiting member 32 connected to the pressing member 31. [ The pushing member 10 further includes a pushing elastic member 13 which abuts against and supports the braking sleeve 22 and the rod holder 11. The pushing elastic member 13 is connected to the push rod 12, Respectively. When the push member 10 is positioned at the trigger position, the inhibition member 32 is held in contact with the braking sleeve 22 and the push rod 12 in the axial direction. Therefore, when the braking sleeve 22 can not move, the blocking member 32, which is in contact with the braking sleeve 22 and supported, can not push the push rod 12 downward to move in the axial direction. The push member 10 has a distal end cap 14 and a return elastic member 15 which are connected to the upper end of the push rod 12 and the return resilient member 15 And is installed between the end cap (14) and the non-contact member (32) and covers the push rod (12).

5 to 7, when the rotary sleeve 21 rotates and is positioned at the percussion stand-by position, the rod holder 11 moves in the axial direction relative to the rotary sleeve 21 And the braking sleeve 22 remains as it is.

The return elastic member 15 is compressed to push the end cap 14 to be connected to the end cap 14 so that the end cap 14 is connected to the end cap 14. [ The push rod 12 is moved upward and the rod holder 11 is moved upwardly and the pushing elasticity of the push rod 12 is increased until the elastic piece 113 comes into contact with the positioning portion 231 in the axial direction. The member 13 is compressed. At this time, the contact portion 213 is positioned between the button 411 and the elastic piece 113.

Referring to FIGS. 7 to 8, when the operation of pulling the pushing member 31 is stopped, the return elastic member 15 is moved in a direction to contact the braking sleeve 22 with the braking sleeve 22 And the pushing member 31 is moved downward to complete the operation of the shotgun. At this time, the inhibiting member 32 can not move the push rod 12 (the needle can not be retracted) due to the restriction of the braking sleeve 22.

8 to 9, when the button 411 is depressed, the button 41 presses the contact portion 213 and the contact portion 213 contacts the elastic piece 113, And the resilient piece 113 and the positioning portion 231 are displaced from each other in the axial direction. At this time, the pushing elastic member 13 pushes the rod holder 11 and interlocks the push rod 12 downward (the return elastic member 15 simultaneously pushes by the end cap 14 to compress , The needle body 51 of the lancet 50 is pushed out to be drawn out of the pen cap 42. Thereafter, the returning force of the return elastic member 15 causes the end cap 14, the push rod 12, the rod holder 11 and the lancet 50 to move and return.

Referring to FIG. 10, when the needle retracts, the rotary sleeve 21 is rotated to the needle retreat position, and then the pen cap 42 is detached. At this time, the first inner stopper 211 of the rotary sleeve 21 is inserted into the slot 112, and the rod holder 11 is fixed (the shot can not proceed). The rotating sleeve 21 and the braking sleeve 22 are not supported in contact with each other in the axial direction and the braking sleeve 22 can move in the axial direction relative to the rotating sleeve 21. [

11 to 12, when the pushing member 31 is pressed, the pushing member 31 moves the downwardly deflecting member 32 in a downward direction to move the braking sleeve 22 and the push rod 31, The push rod 12 pushes the push rod 12 downward and causes the lancet 50 to move away from the puncture 50 (the rod holder 11 does not move).

According to the above description, the blood collecting pen unit of the present invention can assure that the needle retracting operation can not be performed in the stalling waiting state, while preventing the risk of malfunction due to the inability to advance the shotgun in the needle retracting process .

1: Blood collection pen unit 10: Push member 11: Rod holder
111: first outer stopper 112: slot 113:
114: perforation 115: inner engaging portion 12: push rod
121: outer hooking portion 13: pushing elastic member 14: end cap
15: return elastic member 20: switching member 21: rotating sleeve
211: first inner stopper 212: second inner stopper 213:
22: Braking sleeve 221: Second outer stopper
23: positioning sleeve 231: positioning portion 30: operating member
31: pressing member 32: inhibiting member 40: case member
41: pen body part 411: button 42: pen cap
50: lancet 51: lancet body

Claims

A rod holder and a push rod, wherein a perforation is pierced at both ends of the rod holder, the push rod being installed through the perforation and selectively supporting and supporting the rod holder in an axial direction, Wherein the push rod is movable in an axial direction relative to the rod holder when the push rod and the rod holder are not in contact with each other in an axial direction so that the push rod and the rod holder contact each other The push rod and the rod holder can be interlocked with each other in the axial direction, the push rod protruding from the upper end of the rod holder, and the lancet is accommodated in the lowest end of the push holder;
A rotating sleeve and a braking sleeve, wherein the rotating sleeve selectively supports the braking sleeve in abutting contact with or in contact with each other in an axial direction, and wherein the rotating sleeve is movable between a triggering standby position and a needle retracting position Wherein the rotary sleeve and the braking sleeve are not in contact with each other and are not supported when the rotary sleeve is rotated and positioned at the acute and retracted position, And the push rod can be held in contact with the push rod to cause the push rod to push the lancet from the uppermost end of the blood collecting pen unit to the lowermost end of the blood collecting pen unit, The rotating sleeve and the brake sleeve are in contact with each other And the operating member includes a switching member that is unable to move axially from the uppermost end of the blood collecting pen unit to the lowermost end of the collecting pen unit.

2. The push rod according to claim 1, wherein an inner locking portion is formed in a wall of a hole, an outer locking portion is formed on an outer wall of the push rod, and the outer locking portion selectively contacts the inner locking portion in an axial direction And wherein the switching member is fixed to the case member of the blood collecting pen unit and is fixed to the rod holder by a positioning sleeve.

3. The apparatus according to claim 2, wherein a first outer stopper is formed on an outer wall of the rod holder, the first outer stopper includes a slot, a first inner stopper is formed on an inner circumferential surface of the rotary sleeve, The first inner stopper is inserted into and connected to the slot, and the rod holder can not move in the axial direction relative to the rotary sleeve, and when the rotary sleeve is located at the triggering standby position, Wherein the first inner stopper and the slot are offset from each other, and the rod holder is movable in the axial direction relative to the rotating sleeve.

3. The braking device according to claim 2, wherein a second inner stopper is further provided on an inner circumferential surface of the rotary sleeve, a second outer stopper is further provided on an outer circumferential surface of the braking sleeve, The second outer stopper and the second inner stopper are not in contact with each other and are not supported, and when the rotary sleeve rotates and is positioned at the triggering waiting position, the second outer stopper and the second inner stopper come into contact with each other Blood collection pen unit.

The portable terminal according to claim 1, further comprising a case member, wherein the push member and the switching member are accommodated in the case member, and the case member includes a pen body portion and a pen cap provided at the lowermost end of the pen body portion Wherein the pen cap is capable of causing the needle body of the blood collecting needle to be elongated, and the switching member further includes a positioning sleeve, wherein the positioning sleeve is fixed to the pen body portion, Wherein the positioning sleeve is mounted on the rod holder and the pen body portion includes a button, the rotating sleeve has a contact portion that is in radial contact with the button, When the rod holder is positioned at the stand-by position, the rod holder is further provided with an elastic piece, which is selectively in contact with the contact portion, And the pushing member is movable in the axial direction between the loading position and the triggering position, and when the pushing member is located at the loading position, the resilient piece and the abutting portion come into contact with each other in the radial direction, And the elastic piece are in contact with each other in the axial direction so that the elastic piece and the positioning part do not come into contact with each other by supporting the button in contact with the contact part and the push member can move to the triggering position, Wherein the rod causes the needle body of the lancet to be drawn out of the pen cap.

The pusher according to claim 5, wherein the actuating member includes a pushing member and a pushing member which is connected to the pushing member, the pushing member further comprises a pushing elastic member supported in contact with the braking sleeve and the rod holder, Wherein the pushing elastic member is provided on the push rod, and when the push member is located in the trigger position, the push member is in contact with the braking sleeve and the push rod in the axial direction.

The push rod assembly of claim 6, wherein the push member includes a distal cap and a return elastic member, the distal cap is connected to a top end of the push rod, the return elastic member is disposed between the distal cap and the non- A collection pen unit installed on the push rod.