CN219126599U - Anti-backflow puncture needle capable of being fixed in shaping mode - Google Patents

Abstract

The utility model belongs to the technical field of medical appliances, in particular to a shapable fixed anti-reflux puncture needle, which aims at two problems of no convenient use function and no high-efficiency puncture function, which are proposed by the background technology, and comprises a moving mechanism and a puncture mechanism; and a moving mechanism: the device comprises a chassis, wherein a supporting plate is fixedly arranged at the top of the chassis, and a sliding plate is sleeved outside the supporting plate. According to the utility model, the angle between the puncture needle and the scalp is adjusted, the radian of the head shape is attached to the maximum limit, the depth of the needle insertion can be adjusted, the puncture needle is prevented from being overlong and falling off easily, the puncture needle is prevented from being too short to puncture and reach the ommaya capsule and can not normally drain cerebrospinal fluid, the needle hole is arranged on the outer fixing disc of the puncture needle, the scalp and the fixing disc can be sewed and fixed through the needle wire through the hole, the puncture needle is prevented from falling off, and the liquid backflow and backflow caused by the abnormality of intracranial atmospheric pressure can be prevented from being caused by the intracerebral drainage tube, the external drainage tube and the drainage bottle, and even the gas backflow can occur in the brain.

Description

Anti-backflow puncture needle capable of being fixed in shaping mode

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a shapable fixed anti-reflux puncture needle.

Background

The puncture is divided into vein puncture and artery puncture, the main purpose is blood sampling test, the Ommaya bag is a device for embedding a liquid storage bag under the skin after lateral ventricle puncture drainage, the device can be reserved for a long time, and the defect that the lateral ventricle external drainage device cannot be reserved for a long time is avoided. For example, patent application No. 202210355063.3 discloses an arterial puncture needle for preventing blood from flowing backward, and the current shapable fixed arterial puncture needle has the following problems:

(1) The drainage bag has no convenient use function, the existing drainage bag is hung on the fixed support, the hanging ring at the top of the drainage bag is damaged to cause the drainage bag to drop, and the drainage bag can only extract cerebrospinal fluid at a fixed position, and the drainage bag needs to be moved with the whole support when moving in the conditions of a toilet or other conditions, so that the use is inconvenient, and even the injury of personnel is caused;

(2) The traditional ommaya capsule does not have the function of high-efficiency puncture, the existing ommaya capsule is not provided with a special matched external drainage device, a clinician often uses a bent scalp needle to prick into the ommaya capsule, and the scalp needle is externally connected with a drainage bag to drain cerebrospinal fluid, but the simple device is not standard, easy to fall off, easy to be infected, easy to flow back, and easy to bleed repeatedly, thereby greatly weakening the effect of the ommaya capsule and possibly bringing about infection, bleeding and backflow.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides the shapable fixed anti-reflux puncture needle which overcomes the defects in the prior art through the matching use of the moving mechanism and the puncture mechanism, and effectively solves the two problems that the existing puncture needle does not have a convenient use function and does not have an efficient puncture function.

An anti-backflow puncture needle capable of being fixed in a shaping way comprises a moving mechanism and a puncture mechanism;

and a moving mechanism: the device comprises a chassis, wherein a supporting plate is fixedly arranged at the top of the chassis, a sliding plate is sleeved outside the supporting plate, and universal wheels are welded at four corners of the bottom of the chassis;

puncture mechanism: the drainage bag comprises a drainage bag body, a connecting pipe is fixedly arranged at the top of the drainage bag body, and a drainage bottle is arranged at the top of the connecting pipe in a penetrating manner.

Through foretell scheme, the fixability of backup pad that the chassis increases, when facing people of different heights, the accessible staff removes the sliding plate in the backup pad, adjusts the sliding plate to suitable height, and the connecting pipe makes the cerebrospinal fluid in the drainage bottle enter into the drainage bag, and the universal wheel makes the patient can be relaxed remove to other positions when drawing cerebrospinal fluid.

Preferably, a sliding fit is formed between the support plate and the sliding plate, and a threaded hole is formed in one side of the sliding plate.

Through foretell scheme, the sliding plate can slide in the backup pad, and the screw hole can form screw thread fit with the bolt between.

Preferably, the threaded holes are internally connected with fixing bolts in a threaded manner, and fixing plates are installed between the other sides of the sliding plates in a butt-clamping manner.

Through above-mentioned scheme, rotate fixing bolt and make the movable plate fixed, the upward movement of movable plate can drive the removal of movable plate opposite side fixed plate.

Preferably, the bottom of the fixing plate is fixedly provided with a loading plate, and the drainage bag is placed inside the loading plate.

Through foretell scheme, the drainage bag can be complete place in the inside of dress thing board, has avoided the link to appear damaging and lead to the drainage bag to drop and appear damaging, reduces use cost, avoids personnel to be injured.

Preferably, an external drainage tube is fixedly arranged at the top of the drainage bottle, and a three-way valve is arranged at the other end of the external drainage tube in a penetrating manner.

Through the scheme, the external drainage tube and the drainage bottle can prevent liquid from flowing back and flowing backward due to the abnormality of intracranial atmospheric pressure, and even gas flowing back can occur in the brain.

Preferably, the other side of the three-way valve is fixedly provided with a puncture needle, the top of the puncture needle is provided with a fixed disc, and the bottom of the three-way valve is fixedly provided with a fixed cap.

Through foretell scheme, the angle of adjustment pjncture needle and scalp, the radian of furthest laminating head form, adjustable needle-entering degree of depth avoids the pjncture needle overlength easily to drop, avoids the pjncture needle to pass to be short can't puncture to reach in the ommaya bag and can't normally drain cerebrospinal fluid, and pjncture needle outside fixed disk takes the pinhole, can use the needle and line to prick scalp and fixed disk through this hole and fix, avoids the pjncture needle to drop.

Preferably, the bottom of the puncture needle is provided with a drainage tube, one end of the drainage tube is placed in a lateral brain chamber in the brain, the other end of the drainage tube is connected with an ommaya bag, and the ommaya bag is buried under the scalp.

Through the scheme, the cerebral drainage tube is used for draining cerebrospinal fluid into the ommaya bag, and the cerebrospinal fluid entering the ommaya bag can enter the three-way valve from the puncture needle.

The beneficial effects of the utility model are as follows:

1. according to the adjusting mechanism, the sliding plate is moved on the supporting plate by a worker, when facing patients with different heights, the sliding plate is adjusted to a proper height, the sliding plate is fixed at one height by rotating the fixing bolts in the threaded holes, the drainage bag can be completely placed in the object loading plate, the drainage bag is prevented from falling down due to damage of the hanging ring, and the patient can easily move to other positions by the universal wheels when the cerebrospinal fluid is extracted, so that convenience is improved, the use cost is reduced, and personnel injury is avoided;

2. according to the puncture mechanism, the angle of the puncture needle and the scalp is adjusted, the radian of the head shape is attached to the maximum limit, the depth of the needle can be adjusted, the puncture needle is prevented from being overlong and falling off easily, the puncture needle is prevented from being too short and can not puncture and reach the ommaya bag and can not normally drain cerebrospinal fluid, the needle is externally fixed with a needle hole on a disc, the scalp and the fixed disc can be sewn and fixed through the needle wire through the hole, the puncture needle is prevented from falling off, and the liquid backflow and the backflow caused by the abnormality of intracranial atmospheric pressure can be prevented from being caused by an intracerebral drainage tube, an external drainage tube and a drainage bottle, and even the phenomenon that the gas flows backwards can be caused in the brain.

Drawings

FIG. 1 is a front view showing the overall structure of a shapable fixed anti-reflux puncture needle according to the present utility model;

FIG. 2 is a front view of the structure of an adjusting mechanism of a shapable fixed anti-reflux puncture needle according to the present utility model;

FIG. 3 is a front view of the puncture mechanism of the shapable fixed anti-reflux puncture needle according to the present utility model;

fig. 4 is an enlarged view of a part of the structure of a shapable fixed anti-reflux puncture needle according to the present utility model.

In the figure: 1. a moving mechanism; 2. a puncture mechanism; 11. a chassis; 12. a support plate; 13. a sliding plate; 14. a universal wheel; 15. a threaded hole; 16. a fixing bolt; 17. a fixing plate; 18. a loading plate; 21. a drainage bag; 22. a connecting pipe; 23. a drainage bottle; 24. externally connecting a drainage tube; 25. a three-way valve; 26. a puncture needle; 27. a fixed plate; 28. and (5) fixing the cap.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

1, referring to fig. 1-4, a shapeable fixed anti-reflux puncture needle comprises a moving mechanism 1 and a puncture mechanism 2;

moving mechanism 1: the device comprises a chassis 11, wherein a supporting plate 12 is fixedly arranged at the top of the chassis 11, a sliding plate 13 is sleeved outside the supporting plate 12, and universal wheels 14 are welded at four corners of the bottom of the chassis 11;

in order to accurately describe the connection structure of the support plate 12, a sliding fit is formed between the support plate 12 and the sliding plate 13, and a threaded hole 15 is formed on one side of the sliding plate 13;

in order to accurately describe the connection structure of the threaded hole 15, a fixing bolt 16 is connected in the threaded hole 15 in a threaded manner, and a fixing plate 17 is arranged between the other sides of the sliding plates 13 in a butt-clamping manner;

in order to accurately describe the connection structure of the fixing plate 17, a mounting plate 18 is fixedly installed at the bottom of the fixing plate 17, and a drainage bag 21 is placed inside the mounting plate 18;

through staff's removal sliding plate 13 on backup pad 12, when facing the patient of different heights, with sliding plate 13 regulation to suitable height, again rotate threaded hole 15 in fixing bolt 16 make sliding plate 13 fix on one height, dress thing board 18 can make drainage bag 21 complete put into, avoided the link to appear damaging and lead to drainage bag 21 to drop, universal wheel 14 makes patient can relax when drawing cerebrospinal fluid remove to other positions, thereby increase the convenience, reduce use cost, avoid personnel to hurt.

Example 2, with reference to fig. 1-4, this example is optimized on the basis of example 1, specifically:

puncture mechanism 2: the drainage device comprises a drainage bag 21, wherein a connecting pipe 22 is fixedly arranged at the top of the drainage bag 21, and a drainage bottle 23 is arranged at the top of the connecting pipe 22 in a penetrating manner;

in order to accurately describe the connection structure of the drainage bottle 23, an external drainage tube 24 is fixedly arranged at the top of the drainage bottle 23, and a three-way valve 25 is arranged at the other end of the external drainage tube 24 in a penetrating manner;

in order to accurately describe the connecting structure of the three-way valve 25, a puncture needle 26 is fixedly arranged on the other side of the three-way valve 25, a fixed disc 27 is arranged at the top of the puncture needle 26, and a fixed cap 28 is fixedly arranged at the bottom of the three-way valve 25;

in order to accurately describe the connection structure of the puncture needle 26, a drainage tube is arranged at the bottom of the puncture needle 26, one end of the drainage tube is placed in a lateral brain chamber in the brain, the other end of the drainage tube is connected with an ommaya bag, and the ommaya bag is buried under the scalp;

through the angle of adjusting pjncture needle 26 and scalp, the radian of furthest laminating head type, the adjustable degree of depth of inserting the needle avoids pjncture needle 26 overlength easily to drop, avoid pjncture needle 26 too short unable puncture to reach ommaya bag in and unable normal drainage cerebrospinal fluid, pjncture needle 26 outside fixed disk 27 takes the pinhole, can use the needle and line to sew up scalp and fixed disk 27 through this hole, avoid pjncture needle 26 to drop, the brain drainage tube, external drainage tube 24 and drainage bottle 23 can prevent to lead to liquid to flow backward and flow backward because of the abnormality of intracranial atmospheric pressure, even appear that the gas flows backward can the brain.

Working principle: when the device is used by a user, firstly, a worker wears the fixing cap 28 on the head of the patient, then when facing patients with different heights, the sliding plate 13 is moved on the supporting plate 12, the sliding plate 13 is adjusted to a proper height, the fixing bolt 16 in the threaded hole 15 is rotated to fix the sliding plate 13, then the drainage bag 21 is completely placed in the loading plate 18, after the height is adjusted according to the head radian of the patient, the needle head of the puncture needle 26 is arranged in the ommaya bag, the fixing plate 27 is attached to the scalp, the scalp is sewn and fixed with the fixing plate 27 through the needle hole of the fixing plate 27 outside the puncture needle 26, the fixing plate 27 is sewn with the scalp by needle threads, the puncture needle 26 is prevented from falling off, the universal wheel 14 enables the patient to move more conveniently when moving in a toilet or other conditions, finally the cerebral drainage tube drains cerebrospinal fluid into the ommaya bag, the cerebrospinal fluid entering the ommaya three-way valve 25 from the puncture needle 26, the external drainage tube 24 drains the cerebrospinal fluid entering the cerebral spinal fluid drainage tube 23 in the three-way valve 25, and the cerebral reverse flow drainage tube 23 enters the cerebral drainage tube 21 from the cerebral reverse flow bottle, and the reverse flow drainage tube is prevented from flowing, and the reverse flow is prevented from flowing into the cerebral drainage tube 21, and the reverse flow drainage tube is prevented from being caused by the abnormal air pressure.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (7)

1. The utility model provides a can fix by moulding prevent puncture needle against current which characterized in that:

comprises a moving mechanism (1) and a puncturing mechanism (2);

moving mechanism (1): the novel universal wheel comprises a chassis (11), wherein a supporting plate (12) is fixedly arranged at the top of the chassis (11), a sliding plate (13) is sleeved outside the supporting plate (12), and universal wheels (14) are welded at four corners of the bottom of the chassis (11);

puncture mechanism (2): the drainage device comprises a drainage bag (21), wherein a connecting pipe (22) is fixedly arranged at the top of the drainage bag (21), and a drainage bottle (23) is arranged at the top of the connecting pipe (22) in a penetrating manner.

2. The shapable fixed anti-reflux puncture needle according to claim 1, characterized in that a sliding fit is formed between the support plate (12) and the sliding plate (13), and a threaded hole (15) is formed on one side of the sliding plate (13).

3. The shapable fixed anti-backflow puncture needle according to claim 2, characterized in that the threaded hole (15) is internally connected with a fixing bolt (16) in a threaded manner, and a fixing plate (17) is arranged between the other sides of the sliding plates (13) in a butt-clamping manner.

4. A shapable fixed anti-reflux puncture needle according to claim 3, characterized in that the bottom of the fixing plate (17) is fixedly provided with a loading plate (18), and the drainage bag (21) is placed inside the loading plate (18).

5. The shapable fixed anti-reflux puncture needle according to claim 1, wherein an external drainage tube (24) is fixedly arranged at the top of the drainage bottle (23), and a three-way valve (25) is arranged at the other end of the external drainage tube (24) in a penetrating manner.

6. The shapable fixed anti-reflux puncture needle according to claim 5, wherein a puncture needle (26) is fixedly arranged on the other side of the three-way valve (25), a fixing disc (27) is arranged on the top of the puncture needle (26), and a fixing cap (28) is fixedly arranged on the bottom of the three-way valve (25).

7. The shapable fixed anti-reflux puncture needle according to claim 6, wherein a drainage tube is arranged at the bottom of the puncture needle (26), one end of the drainage tube is placed in a lateral brain chamber in the brain, the other end of the drainage tube is connected with an ommaya capsule, and the ommaya capsule is buried under the scalp.

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