Disposable puncture needle convenient to destroy

Abstract

The utility model provides a disposable puncture needle convenient to destroy, which relates to the technical field of puncture needles, and comprises a needle tube, a needle head is arranged on one side of the needle tube, a protection device is arranged on one side of the needle tube, the protection device comprises a fixing plate, the fixing plate is fixedly connected with the needle tube, and the needle head is arranged on the other side of the needle tube. The protection device comprises a fixing plate, one side of the fixing plate is connected with a protection sleeve in a sliding mode, the size of the protection sleeve is matched with the size of a needle head, a bolt is inserted into one side of the fixing plate in a threaded mode, one side of the bolt is connected with an extrusion plate in a rotating mode, and one side of the extrusion plate abuts against the protection sleeve. According to the disposable puncture needle destroying device, the needle head of the used puncture needle can be shielded, the situation that an operator is punctured by the tip end of the needle head when destroying the disposable puncture needle is avoided, and therefore the operator can destroy the disposable puncture needle conveniently, and the destroying efficiency of the disposable puncture needle is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to puncture needle technical field especially, relate to a disposable puncture needle of convenient destruction. BACKGROUND

[0002] Puncture needle is a kind of medical instrument, is used to penetrate skin or other tissues in medical process, to carry out various medical operations.

[0003] When carrying out cardiology puncture, needle tube one side needle is inserted into patient's body, then subsequent guide wire insertion is carried out, then puncture needle is pulled out.In the use of disposable puncture needle, the tip of needle is easy to cause damage to the destruction personnel, thereby causing the problem of affecting the destruction efficiency of disposable puncture needle. UTILITY MODEL CONTENT

[0004] The utility model discloses to solve in the use of disposable puncture needle, the tip of needle is easy to cause damage to the destruction personnel, thereby causing the problem of affecting the destruction efficiency of disposable puncture needle, and a kind of disposable puncture needle of convenient destruction is presented.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a kind of disposable puncture needle of convenient destruction, including needle tube, the side of needle tube is equipped with needle, the side of needle tube is equipped with protection device, the protection device includes fixed plate, the fixed plate is fixedly connected with needle tube, the side of fixed plate is slidably connected with protective sleeve, the size of protective sleeve is compatible with the size of needle, the side of fixed plate is screw-inserted with bolt, the side of bolt is rotatably connected with extrusion plate, the side of extrusion plate is in contact with protective sleeve.

[0006] The effect reached by the above-mentioned components is that when carrying out cardiology puncture, needle tube one side needle is inserted into patient's body, then subsequent guide wire insertion is carried out, then puncture needle is pulled out.When using puncture needle, the bolt can be rotated, the extrusion plate is driven away from the protective sleeve by the bolt, then the protective sleeve is moved, the protective sleeve is moved on the side of the fixed plate, and the needle is shielded and protected, then the bolt is rotated, the extrusion plate is driven close to the protective sleeve, to abut and fix the protective sleeve, then the position of the protective sleeve is fixed, by using the protection device, the needle of the used puncture needle can be shielded, to avoid the operator being pricked by the tip of the needle when destroying the disposable puncture needle, so that the operator can conveniently destroy the disposable puncture needle, and the destruction efficiency of the disposable puncture needle is improved.

[0007] Preferably, the side of the fixed plate is provided with a sliding groove, the inside of the sliding groove on one side of the fixed plate is slidably connected with a limiting block, and the limiting block is fixedly connected with the extrusion plate.

[0008] The effect achieved by the above-mentioned components is that the movement track of the extrusion plate is limited by the limiting plate moving inside the groove on one side of the fixed plate, so that the extrusion plate moves more stably.

[0009] Preferably, one side of the bolt is fixedly connected with a connecting rope, and the connecting rope is fixedly connected with the fixed plate away from one side of the bolt.

[0010] The effect achieved by the above-mentioned components is that the bolt is connected with the fixed plate by using the connecting rope, so that the loss of the bolt is avoided.

[0011] Preferably, one side of the bolt is fixedly connected with a bearing, and the outer side ring of the bearing is fixedly connected with the extrusion plate.

[0012] The effect achieved by the above-mentioned components is that the friction between the bolt and the extrusion plate is reduced by using the bearing, so that the bolt is more easily rotated inside the extrusion plate.

[0013] Preferably, one side of the extrusion plate is fixedly connected with a rubber pad, and the size of the rubber pad is matched with the size of the extrusion plate.

[0014] The effect achieved by the above-mentioned components is that the friction between the extrusion plate and the protective sleeve is improved by using the rubber pad, so that the extrusion plate better abuts and fixes the protective sleeve.

[0015] Preferably, one side of the protective sleeve is provided with an auxiliary device, the auxiliary device comprises a placement block, the placement block is fixedly connected with the protective sleeve, and one side of the placement block is clamped with an auxiliary frame.

[0016] The effect achieved by the above-mentioned components is that when the protective sleeve is moved, the auxiliary frame can be moved, one side of the auxiliary frame is inserted into the placement block and clamped and fixed with the placement block, and then the auxiliary frame drives the protective sleeve to move, and by using the auxiliary device, the contact area between the operator and the protective sleeve is improved, so that the operator more easily moves the protective sleeve.

[0017] Preferably, one side of the auxiliary frame is fixedly connected with a trapezoidal block, and the size of one side of the trapezoidal block away from the auxiliary frame is smaller than the size of the other side.

[0018] The effect achieved by the above-mentioned components is that the auxiliary frame is more easily inserted into the placement block for clamping and fixing by using the trapezoidal block.

[0019] Preferably, one side of the auxiliary frame is fixedly connected with a plurality of anti-skid blocks, and the plurality of anti-skid blocks are equidistantly arranged on one side of the auxiliary frame.

[0020] The effect achieved by the above-mentioned components is that the friction between the operator and the auxiliary frame is improved by using the anti-skid blocks, so that the use effect of the auxiliary frame is improved.

[0021] In summary, the beneficial effects of this utility model are as follows:

[0022] By using a protective device, the needle tip of the used puncture needle can be shielded, preventing operators from being pricked by the needle tip when disposing of disposable puncture needles. This makes it easier for operators to dispose of disposable puncture needles and improves the disposal efficiency. Attached Figure Description

[0023] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0024] Figure 2 This is a three-dimensional structural diagram of the protective device of this utility model;

[0025] Figure 3 This utility model Figure 2 Enlarged view of point A;

[0026] Figure 4 This utility model Figure 2 Enlarged view of point B.

[0027] Legend: 1. Needle; 2. Protective device; 21. Fixing plate; 22. Protective sleeve; 23. Bolt; 24. Squeezing plate; 25. Slide groove; 26. Limiting block; 27. Connecting rope; 28. Bearing; 29. ​​Rubber pad; 3. Auxiliary device; 31. Placement block; 32. Auxiliary frame; 33. Trapezoidal block; 34. Anti-slip block; 4. Needle. Detailed Implementation

[0028] Reference Figures 1-4 As shown, this embodiment discloses a disposable puncture needle that is easy to destroy, including a needle tube 1, a needle tip 4 on one side of the needle tube 1, and a protective device 2 on one side of the needle tube 1.

[0029] Reference Figures 1-4As shown, the embodiment discloses a protective device 2 including a fixed plate 21, the fixed plate 21 is fixedly connected with the needle tube 1, one side of the fixed plate 21 is slidably connected with a protective sleeve 22, the size of the protective sleeve 22 is matched with the size of the needle 4, one side of the fixed plate 21 is threadedly inserted with a bolt 23, one side of the bolt 23 is rotatably connected with an extrusion plate 24, one side of the extrusion plate 24 abuts against the protective sleeve 22. When performing cardiology puncture, the needle 4 on one side of the needle tube 1 is inserted into the patient's body, and then the subsequent guide wire insertion is performed, and then the puncture needle is pulled out. After using the puncture needle, the bolt 23 can be rotated, the extrusion plate 24 is driven away from the protective sleeve 22 by the bolt 23, then the protective sleeve 22 is moved, the protective sleeve 22 is moved on one side of the fixed plate 21, and the needle 4 is shielded and protected, then the bolt 23 is rotated, the extrusion plate 24 is driven to be close to the protective sleeve 22, and the protective sleeve 22 is abutted and fixed, then the position of the protective sleeve 22 is fixed, by using the protective device 2, the needle 4 of the puncture needle after use can be shielded, the situation that the operator is stabbed by the tip of the needle 4 when destroying the disposable puncture needle is avoided, so that the operator can conveniently destroy the disposable puncture needle, and the destruction efficiency of the disposable puncture needle is improved.

[0030] Referring to Figures 1-4 As shown, the embodiment discloses that one side of the fixed plate 21 is provided with a sliding groove 25, a limiting block 26 is slidably connected in the sliding groove 25 on one side of the fixed plate 21, and the limiting block 26 is fixedly connected with the extrusion plate 24. The limiting plate moving in the sliding groove 25 on one side of the fixed plate 21 limits the movement track of the extrusion plate 24, so that the extrusion plate 24 moves more stably. One side of the bolt 23 is fixedly connected with a connecting rope 27, and the connecting rope 27 is fixedly connected with the fixed plate 21 away from one side of the bolt 23. The connecting rope 27 is used to connect the bolt 23 with the fixed plate 21, so as to avoid the loss of the bolt 23. One side of the bolt 23 is fixedly connected with a bearing 28, and the outer side ring of the bearing 28 is fixedly connected with the extrusion plate 24. The bearing 28 is used to reduce the friction between the bolt 23 and the extrusion plate 24, so that the bolt 23 is more easily rotated in the extrusion plate 24. One side of the extrusion plate 24 is fixedly connected with a rubber pad 29, and the size of the rubber pad 29 is matched with the size of the extrusion plate 24. The rubber pad 29 is used to improve the friction between the extrusion plate 24 and the protective sleeve 22, so that the extrusion plate 24 better abuts and fixes the protective sleeve 22.

[0031] Referring to Figures 1-4As shown, the embodiment discloses that one side of the protective sleeve 22 is provided with an auxiliary device 3, the auxiliary device 3 comprises a placing block 31, the placing block 31 is fixedly connected with the protective sleeve 22, and one side of the placing block 31 is clamped with an auxiliary frame 32. When the protective sleeve 22 is moved, the auxiliary frame 32 can be moved, one side of the auxiliary frame 32 is inserted into the placing block 31 and clamped and fixed with the placing block 31, then the protective sleeve 22 is moved through the auxiliary frame 32, and through the use of the auxiliary device 3, the contact area of the protective sleeve 22 and the operator can be increased, so that the operator can more easily move the protective sleeve 22.

[0032] Referring to Figures 1-4 As shown, the embodiment discloses that one side of the auxiliary frame 32 is fixedly connected with a trapezoidal block 33, and the size of the side of the trapezoidal block 33 away from the auxiliary frame 32 is smaller than the size of the other side. Through the use of the trapezoidal block 33, the auxiliary frame 32 can be more easily inserted into the placing block 31 for clamping and fixing. One side of the auxiliary frame 32 is fixedly connected with a plurality of anti-skid blocks 34, and the plurality of anti-skid blocks 34 are equidistantly arranged on one side of the auxiliary frame 32. Through the use of the anti-skid blocks 34, the friction between the operator and the auxiliary frame 32 can be increased, so that the use effect of the auxiliary frame 32 can be improved.

[0033] Working principle: when puncturing in the department of cardiology, the needle 4 on one side of the needle tube 1 is inserted into the patient's body, then the subsequent guide wire insertion is carried out, and then the puncture needle is pulled out. After the puncture needle is used, the bolt 23 with the connecting rope 27 can be rotated, the bolt 23 drives the pressing plate 24 away from the protective sleeve 22, then the protective sleeve 22 is moved, the protective sleeve 22 is moved on one side of the fixed plate 21, the needle 4 is shielded and protected, then the bolt 23 is rotated, the pressing plate 24 approaches the protective sleeve 22, at this time, the movement track of the pressing plate 24 is limited through the limiting plate moving in the groove 25 on one side of the fixed plate 21, then the protective sleeve 22 is abutted and fixed, then the position of the protective sleeve 22 is fixed, through the use of the protection device 2, the needle 4 of the puncture needle used can be shielded, the situation that the operator is pricked by the tip of the needle 4 when destroying the disposable puncture needle can be avoided, so that the operator can conveniently destroy the disposable puncture needle, and the destruction efficiency of the disposable puncture needle can be improved.

[0034] When the protective sleeve 22 is moved, the auxiliary frame 32 with the anti-skid blocks 34 can be moved, one side of the auxiliary frame 32 with the trapezoidal block 33 is inserted into the placing block 31 and clamped and fixed with the placing block 31, then the protective sleeve 22 is moved through the auxiliary frame 32, and through the use of the auxiliary device 3, the contact area of the protective sleeve 22 and the operator can be increased, so that the operator can more easily move the protective sleeve 22.

Claims

1. A single-use disposable lancet for easy disposal, comprising a needle cannula (1), characterized in that: One side of the needle tube (1) is provided with a needle (4), one side of the needle tube (1) is provided with a protective device (2), the protective device (2) includes a fixed plate (21), the fixed plate (21) and the needle tube (1) are fixedly connected, one side of the fixed plate (21) is slidably connected with a protective sleeve (22), the size of the protective sleeve (22) is matched with the size of the needle (4), one side of the fixed plate (21) is threadedly inserted with a bolt (23), one side of the bolt (23) is rotatably connected with an extrusion plate (24), one side of the extrusion plate (24) abuts with the protective sleeve (22).

2. A disposable, single-use, lancet according to claim 1, wherein: One side of the fixed plate (21) is provided with a sliding groove (25), the sliding groove (25) is slidably connected with a limiting block (26), the limiting block (26) and the extrusion plate (24) are fixedly connected.

3. A disposable, single-use, lancet as defined in claim 2, wherein: One side of the bolt (23) is fixedly connected with a connecting rope (27), the connecting rope (27) is fixedly connected with the fixed plate (21) away from one side of the bolt (23).

4. A disposable, single-use, lancet as defined in claim 3, wherein: One side of the bolt (23) is fixedly connected with a bearing (28), the outer side ring of the bearing (28) is fixedly connected with the extrusion plate (24).

5. A disposable, single-use, lancet as defined in claim 4, wherein: One side of the extrusion plate (24) is fixedly connected with a rubber pad (29), the size of the rubber pad (29) is matched with the size of the extrusion plate (24).

6. A disposable, single-use, lancet as defined in claim 5, wherein: One side of the protective sleeve (22) is provided with an auxiliary device (3), the auxiliary device (3) includes a placing block (31), the placing block (31) and the protective sleeve (22) are fixedly connected, one side of the placing block (31) is clamped with an auxiliary frame (32).

7. A disposable, single-use, lancet as defined in claim 6, wherein: One side of the auxiliary frame (32) is fixedly connected with a trapezoidal block (33), the size of the trapezoidal block (33) away from one side of the auxiliary frame (32) is smaller than the size of the other side.

8. A disposable, single-use, lancet according to claim 7, wherein: One side of the auxiliary frame (32) is fixedly connected with a plurality of anti-skid blocks (34), a plurality of anti-skid blocks (34) are equidistantly arranged on one side of the auxiliary frame (32).

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