CN112274150B

CN112274150B - Push type lancet

Info

Publication number: CN112274150B
Application number: CN202011574174.0A
Authority: CN
Inventors: 刘东莲
Original assignee: Guangzho Weidi Medical Technology Co ltd
Current assignee: Hunan Shengxi Medical Technology Co.,Ltd.
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-04-02
Anticipated expiration: 2040-12-28
Also published as: CN112274150A

Abstract

The invention relates to the technical field of medical instruments and discloses a push type lancet, which comprises a mounting plate, a blood taking seat, a needle head and a handle, wherein the mounting plate is arranged on the mounting plate; a group of fixed blocks with the same central axis of a cylindrical structure as the middle part of the mounting plate are arranged at the left part of the mounting plate, the middle parts of the front and rear side walls of the fixed blocks are rotationally connected to the corresponding connecting blocks at the left side of the mounting plate rightwards through connecting rods, each connecting rod consists of two groups of rod bodies which are rotationally connected, the left end of connecting rod handle of symmetry around fixedly connected with left, the spacing groove has been seted up to the right side inside of fixed block, and horizontal blood collection pipe has been placed to the inside of spacing groove, and blood collection pipe's right-hand member intercommunication has right-hand member open-ended bayonet lock, and the left side slidable mounting that is located blood collection pipe right side mounting panel has horizontal push rod, is located the inside fixedly connected with group horizontal piston rod of the seat of getting blood of push rod right-hand member, and the right-hand member fixed mounting of piston rod has a set of piston plate, and the right-hand member in piston chamber passes the detachable intercommunication of the right side wall of.

Description

Push type lancet

Technical Field

The invention relates to the technical field of medical instruments, in particular to a push type lancet.

Background

Lancets are well known in the art. Many lancets comprise a needle, typically made of metal, with a sharp tip at one end and an opposite end embedded in a body. Many known lancets further comprise a cap disposed on the distal end of the needle to maintain sterility of the tip and to protect the tip and the user.

The existing lancet is generally used for puncturing one part of the skin simply and then taking blood in other modes, firstly, the mode easily causes the instant of puncturing, the loss of blood and the contact with the external environment are influenced, and furthermore, before and after puncturing, wiping articles need to be taken from the outside separately to clean the skin and process the punctured blood, so that the fast and effective puncturing operation is not facilitated.

Disclosure of Invention

The present invention is directed to a push lancet to solve the problems set forth in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a push type lancet comprises a mounting plate, a blood taking seat, a needle head and a handle; the middle part of mounting panel sets up to circular structure and right side fixed mounting has the seat of getting blood of horizontal round platform shape structure, and the anterior fixed mounting of left side wall of mounting panel has two sets of connecting blocks, and the position that is located the mounting panel left part is provided with the axis of a set of cylinder type structure and the same fixed block in mounting panel middle part, and lateral wall middle part rotates through the connecting rod right around the fixed block to be connected to the left connecting block that corresponds of mounting panel, and the connecting rod comprises the body of rod of connecting two sets of rotations, the handle of the left end of connecting rod symmetry around the fixedly connected with left, through controlling two sets of handles symmetry open and shut, then under the rotation connection of connecting rod is opened. The spacing groove has been seted up to the right side inside of fixed block, horizontal blood collection vessel has been placed to the inside of spacing groove, blood collection vessel's right-hand member intercommunication has right-hand member open-ended bayonet lock, bayonet lock and blood collection vessel's inside intercommunication each other, the left side slidable mounting who is located blood collection vessel right side mounting panel has horizontal push rod, the inside fixedly connected with group's horizontal piston rod of the seat of getting blood that is located the push rod right-hand member, the right-hand member fixed mounting of piston rod has a set of piston board, piston board slidable connection is in setting up the piston chamber of the seat inside of getting blood, the right-hand member in piston chamber passes the detachable intercommunication of the right side wall of getting the blood seat and has a set of syringe needle, remove through removing of push rod, under the connection of piston.

Get the outer lane fixed mounting in blood seat right side wall piston chamber and have a set of spray tube, the round atomizing spout has been seted up on the right side of spray tube, the inboard intercommunication of spray tube has the setting to be getting the inside right side wall upside round alcohol chamber in blood seat, and the inlet has been seted up to the right side outside in alcohol chamber. The alcohol in the alcohol cavity is sprayed and cleaned through the spray pipe to the skin to be punctured, so that the damage to the skin during puncturing is reduced. In order to further improve the treatment before and after the blood is taken by puncturing the skin, a group of cotton ball bin with the left high and the right low is arranged on the upper side in the blood taking seat, an inlet and an outlet are arranged on the left side of the top of the cotton ball bin, a cotton ball outlet is outwards arranged on the right side of the cotton ball bin, which penetrates through the right side wall of the blood taking seat, and the cotton balls in the cotton ball bin can automatically roll out through the cotton ball outlet under the action of gravity because the cotton ball bin is inclined.

As a further scheme of the invention: the opposite inner sides of the two groups of handles are elastically connected through the two groups of springs, so that the two groups of handles are prevented from being expanded and attached without limit.

As a further scheme of the invention: the draw-in groove that communicates with the mutual joint of bayonet lock is seted up to the left end inside of push rod, the inside intercommunication right of draw-in groove has a set of connecting pipe of seting up in the push rod, and the right-hand member of connecting pipe extends to the inside of getting the blood seat. The left and right movement of the fixed block is controlled by the opening and closing handle, and then the push rod is pushed to move left and right under the connection of the blood collecting pipe.

As a further scheme of the invention: the upper and lower parts of the right side of the piston cavity in the blood taking seat are communicated to the connecting pipe through two groups of infusion hoses, when the piston plate moves leftwards, blood is input into the connecting pipe through the communication of the infusion hoses, and then the blood is input into the blood collecting pipe through the clamping groove and the clamping pin along the connecting pipe for storage.

As a further scheme of the invention: the connecting pipe is provided with a one-way valve at the communicating part with the piston cavity to prevent the blood in the transfusion hose from flowing back to the piston cavity.

As a further scheme of the invention: the outer side surface of the blood collection tube is of a transparent structure, so that the blood drawing amount can be conveniently and visually known.

As a further scheme of the invention: get the inside downside fixed mounting of blood seat and have a set of controller that is used for controlling the spray tube operation, the bottom lateral wall electric connection who gets the blood seat has the control switch of control controller operation, through what and the speed of controller control atomizing water spray, then realize the function of automatic clearance.

The upper part of the cotton ball bin positioned on the left side of the cotton ball outlet is in plug-in connection with the plug board for controlling the cotton balls in the cotton ball bin to roll out outwards, and the cotton balls which can be used for wiping are directly arranged in the upper side of the blood taking seat, so that the skin can be quickly and effectively wiped when the lancet is used.

As a still further scheme of the invention: the inside of spacing groove is provided with a set of buffer board, and the one side that buffer board right side and blood collection pipe contacted has laid the one deck rubber pad, can reduce the impact force to blood collection pipe right to the fixed block through the buffer board, the lateral wall seal of blood collection pipe is carved with the scale mark for the exact control is got how much of blood.

Compared with the prior art, the invention has the beneficial effects that: the fixed block is controlled to move left and right by adopting a mode of opening and closing two groups of handles under the connection of the connecting rod, then the blood collecting tube is detachably communicated between the fixed block and the push rod, the push rod is controlled to move left and right under the limitation of the blood collecting tube, and the piston plate in the piston cavity communicated with the needle head is controlled to move left and right by the movement of the push rod, so that after the needle head punctures the skin, blood is extracted by opening and closing the handles, the operation is simple, the control force is small, the stability is good, the blood collecting tube can be conveniently and timely replaced, and a plurality of groups of blood can be extracted;

the spray pipe which can atomize and spray alcohol to the skin to be punctured is arranged on the blood taking seat on the left side of the needle head, the cotton ball bin which is controlled by the inserting plate and rolls down by utilizing gravity is arranged inside the upper side of the blood taking seat, and then the cotton ball bin is matched with the spray pipe, so that the skin to be punctured is conveniently and effectively wiped in time, and the puncturing safety and the wiping convenience are improved.

Drawings

Fig. 1 is a schematic view of an external perspective structure of a push type lancet.

Fig. 2 is a front view of an internal structure of a push type lancet.

Fig. 3 is a top view of a push lancet.

Fig. 4 is a right side view of a push lancet.

Wherein: the blood collection tube comprises a mounting plate 10, a blood taking seat 11, a needle 12, a fixing block 13, a handle 14, a first spring 15, a connecting rod 16, a blood collection tube 17, a push rod 18, a cotton ball bin 19, an inserting plate 20, a spraying tube 21, a control switch 22, a cotton ball outlet 23, a piston cavity 24, an alcohol cavity 25, a transfusion hose 26, a piston plate 27, a piston rod 28, a clamping groove 29, a clamping pin 30, a buffer plate 31, a connecting tube 33 and a controller 34.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Example one

Referring to fig. 1-4, a push lancet comprises a mounting plate 10, a blood sampling seat 11, a needle 12, and a handle 14; the middle part of mounting panel 10 sets up to circular structure and right side fixed mounting has the seat 11 of getting blood of horizontal round platform shape structure, and the anterior fixed mounting in left side wall of mounting panel 10 has two sets of connecting blocks, and the position that is located the mounting panel 10 left part is provided with the axis of a set of cylinder type structure and the same fixed block 13 in mounting panel 10 middle part, and lateral wall middle part rotates through connecting rod 16 right around fixed block 13 and is connected to the left connecting block that corresponds of mounting panel 10, and connecting rod 16 comprises the body of rod of two sets of rotations connections, the handle 14 of symmetry around the left end fixedly connected with of connecting rod 16 opens and shuts through controlling two sets of handle 14 front and back symmetries, then connects to open and shut down in the rotation of connecting rod 16. The opposite inner sides of the two sets of handles 14 are elastically connected by two sets of springs 15, thereby preventing the two sets of handles 14 from expanding and fitting without limit. The spacing groove has been seted up to the right side inside of fixed block 13, and horizontal blood collection vessel 17 has been placed to the inside of spacing groove, and the right-hand member intercommunication of blood collection vessel 17 has right-hand member open-ended bayonet lock 30, and bayonet lock 30 communicates with the inside of blood collection vessel 17 each other, and the left side slidable mounting that is located blood collection vessel 17 right side mounting panel 10 has horizontal push rod 18, and the draw-in groove 29 that communicates with the mutual joint of bayonet lock 30 is seted up to the left end inside of push rod 18, the inside intercommunication right side of draw-in groove 29 has a set of connecting pipe 33 of seting up in push rod 18 inside, and the right-hand member. The left and right movement of the fixed block 13 is controlled by the opening and closing handle 14, and then the push rod 18 is pushed to move left and right under the connection of the blood collecting pipe 17.

The inside fixedly connected with group horizontal piston rod 28 of the seat of getting blood 11 that is located the right-hand member of push rod 18, the right-hand member fixed mounting of piston rod 28 has a set of piston plate 27, piston plate 27 sliding connection is in setting up the piston chamber 24 inside the seat of getting blood 11, the right-hand member of piston chamber 24 passes the detachable intercommunication of the right side wall of the seat of getting blood 11 and has a set of syringe needle 12, through the left-right movement of push rod 18, under the connection of piston rod 28, control piston plate 27 and remove about in piston chamber 24, thereby utilize syringe needle 12 to carry out the operation of getting blood. The upper and lower parts of the right side of the piston cavity 24 in the blood taking seat 11 are communicated with a connecting pipe 33 through two sets of transfusion hoses 26, and a one-way valve is arranged at the communication part of the connecting pipe 33 and the piston cavity 24 to prevent the blood in the transfusion hoses 26 from flowing back to the piston cavity 24. When the piston plate 27 is moved leftward, blood is fed into the connection tube 33 through the connection of the infusion tube 26, and then fed along the connection tube 33 through the catching groove 29 and the catching pin 30 into the blood collecting tube 17 for storage. The outer side surface of the blood collection tube 17 is of a transparent structure, so that the blood drawing amount can be conveniently and visually known.

Example two

On the basis of the first embodiment, a group of spray pipes 21 are fixedly mounted on the outer ring of the piston cavity 24 on the right side wall of the blood taking seat 11, a circle of atomizing nozzles are formed in the right side of each spray pipe 21, the inner side of each spray pipe 21 is communicated with a circle of alcohol cavity 25 which is formed in the upper side of the right side wall of the blood taking seat 11, and a liquid inlet is formed in the outer portion of the right side of each alcohol cavity 25. The alcohol in the alcohol cavity 25 is sprayed and cleaned through the spray pipe 21 to the skin to be punctured, so that the damage to the skin during puncturing is reduced. A group of controllers 34 used for controlling the operation of the spray pipes 21 are fixedly mounted on the lower side inside the blood taking seat 11, the side wall of the bottom of the blood taking seat 11 is electrically connected with a control switch 22 used for controlling the operation of the controllers 34, the amount and the speed of atomized water spray are controlled by the controllers 34, and then the automatic cleaning function is realized.

In order to further improve the treatment before and after blood sampling for skin puncture, a group of cotton ball bin 19 with the left high and the right low is arranged on the upper side in the blood sampling seat 11, an inlet and an outlet are arranged on the left side of the top of the cotton ball bin 19, a cotton ball outlet 23 is arranged on the right side of the cotton ball bin 19 penetrating through the right side wall of the blood sampling seat 11, and cotton balls in the cotton ball bin 19 can automatically roll out through the cotton ball outlet 23 under the action of gravity because the inside of the cotton ball bin 19 is inclined. The upper part of the cotton ball bin 19 positioned at the left side of the cotton ball outlet 23 is connected with an inserting plate 20 in an inserting way for controlling the outward rolling of the cotton balls in the cotton ball bin 19, and the cotton balls which can be used for wiping are directly arranged in the upper side of the blood taking seat 11, so that the skin can be wiped quickly and effectively when the lancet is used.

EXAMPLE III

On the basis of embodiment two, the inside of spacing groove is provided with a set of buffer board 31, and the one side of buffer board 31 right side and blood collection vessel 17 contact has laid the one deck rubber pad, can reduce the impact force to fixed block 13 to blood collection vessel 17 right through buffer board 31, the lateral wall seal of blood collection vessel 17 has carved with the scale mark for the exact control is got how much of blood.

The working principle of the invention is as follows: when the puncture needle is used, the needle head 12 is arranged at the right end of the piston cavity 24, before puncture, the position of skin to be punctured is wiped through the spray pipe 21, then cotton balls in the cotton ball bin 19 are cleaned, then the needle head 12 punctures against the position to be punctured, the fixed block 13 is controlled to move rightwards through the two groups of handles 14 which are opened and closed, then the push rod 18 is pushed to move leftwards and rightwards through the blood collection tube 17, then the piston plate 27 is pushed to drive under the communication of the needle head 12, blood enters the infusion hose 26 along the piston cavity 24, and then the blood is transferred into the blood collection tube 17 through the connecting pipe 33.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A push type lancet comprises a mounting plate (10), a blood taking seat (11), a needle head (12) and a handle (14); the middle part of mounting panel (10) sets up to circular structure and right side fixed mounting has the seat (11) of getting blood of horizontal round platform shape structure, the anterior fixed mounting of the left side wall of mounting panel (10) has two sets of connecting blocks, a serial communication port, the position that lies in mounting panel (10) left part is provided with axis and the fixed block (13) of mounting panel (10) central line coincidence of a set of cylinder type structure, the lateral wall middle part is rotated right through connecting rod (16) and is connected to the left corresponding connecting block of mounting panel (10) around fixed block (13), connecting rod (16) comprise two sets of body of rod of rotating the connection, the left end of connecting rod (16) is fixedly connected with handle (14) of longitudinal symmetry left and right, the inside spacing groove that has been seted up in the right side of fixed block (13), horizontal blood collection vessel (17) has been placed to the inside of spacing groove, the right-hand, the bayonet lock (30) is communicated with the inside of the blood collection tube (17), the left side of the mounting plate (10) positioned on the right side of the blood collection tube (17) is provided with a transverse push rod (18) in a sliding manner, the inside of the blood taking seat (11) positioned at the right end of the push rod (18) is fixedly connected with a group of transverse piston rods (28), the right end of each piston rod (28) is fixedly provided with a group of piston plates (27), each piston plate (27) is connected in a piston cavity (24) arranged in the blood taking seat (11) in a sliding manner, and the right end of each piston cavity (24) penetrates through the right side wall of the blood taking seat (11) and is detachably communicated with a;

get outer lane fixed mounting of blood seat (11) right side wall piston chamber (24) have a set of spray tube (21), and round atomizing spout has been seted up on the right side of spray tube (21), the inboard intercommunication of spray tube (21) has set up round alcohol chamber (25) at the inside right side wall upside of getting blood seat (11), and the inlet has been seted up to the right side outside of alcohol chamber (25), gets the inside upside of blood seat (11) and has seted up cotton ball storehouse (19) of a set of height in the left and right side, and exit has been seted up on the top left side of cotton ball storehouse (19), and the right side of cotton ball storehouse (19) is passed the right side wall of getting blood seat (11) and is outwards provided with cotton ball export (23).

2. A push lancet according to claim 1, wherein the opposing inner sides of the two sets of handles (14) are resiliently connected by two sets of springs one (15).

3. A push lancet according to claim 2, wherein a clamping groove (29) is formed in the left end of the push rod (18) and is in clamping connection with the clamping pin (30), a group of connecting pipes (33) is formed in the push rod (18) and is communicated with the right inside of the clamping groove (29), and the right end of each connecting pipe (33) extends to the inside of the blood sampling seat (11).

4. A push lancet according to claim 3, wherein the upper and lower right side of the piston chamber (24) in the blood collection holder (11) are connected to the connection tube (33) by two sets of infusion hoses (26).

5. A push lancet according to claim 4, wherein the connection of the connecting tube (33) to the piston chamber (24) is provided with a one-way valve.

6. A push lancet according to claim 5, characterised in that the outer side of the blood collection vessel (17) is provided as a transparent structure.

7. A push lancet according to claim 6, wherein a set of controls (34) for controlling the operation of the nozzle (21) is fixedly mounted on the inner lower side of the blood collection holder (11), and the bottom side wall of the blood collection holder (11) is electrically connected with a control switch (22) for controlling the operation of the controls (34).

8. A push lancet according to claim 7, wherein an insert plate (20) for controlling the outward rolling of the cotton ball inside the cotton ball chamber (19) is insertedly connected to the upper part of the cotton ball chamber (19) at the left side of the cotton ball outlet (23).

9. A push lancet according to claim 1 or 2, wherein a set of buffer plates (31) are provided inside the retaining groove, and a rubber pad is laid on the right side of the buffer plates (31) in contact with the blood collection vessel (17).