CN215273203U - Improved lumbar puncture needle capable of bypassing liquid discharge and provided with bent pipe and pressure gauge - Google Patents

Abstract

The utility model discloses an improved lumbar puncture needle which can bypass to discharge liquid and is provided with a bent pipe and a pressure gauge, comprising a lumbar puncture needle main body, a bypass component, a needle core, a pressure component and a cerebrospinal fluid collecting pipe, wherein the side wall of the lumbar puncture needle main body is provided with a bypass pore channel; the bypass assembly comprises a hose and a control valve, one end of the control valve is fixedly connected with the bypass hole channel, and the other end of the control valve is detachably connected with the hose; the needle core is detachably connected with the lumbar puncture needle main body; the pressure component is detachably connected with the tail end of the lumbar puncture needle main body; the cerebrospinal fluid collecting pipe is detachably connected with the hose. The utility model discloses it is easy and simple to handle, material cost is low, economic environmental protection, can effectively avoid the vacuum suction of cerebrospinal fluid, reduce the cerebrospinal fluid simultaneously and collect and receive and inject receive the pollution risk in the sheath, obtain the aseptic culture result of more accurate cerebrospinal fluid.

Description

Improved lumbar puncture needle capable of bypassing liquid discharge and provided with bent pipe and pressure gauge

Technical Field

The utility model relates to the technical field of surgical puncture instruments, in particular to an improved lumbar puncture needle which can bypass to discharge liquid and is provided with a bent pipe and a pressure gauge.

Background

Lumbar puncture is a part of the classic four-major puncture procedure, and the role of lumbar puncture is crucial in a variety of traumatic and non-traumatic cerebral hemorrhage related procedures, both for therapy and diagnosis.

The traditional lumbar puncture needle only has one direct channel communicated with the outside, and has the functions of measuring cerebrospinal fluid pressure, collecting cerebrospinal fluid for relevant culture and injecting intrathecally. In the actual use process, the measurement result of the traditional piezometric tube sometimes has certain deviation according to the level of different operators, and the operation steps are complicated. In the process of lumbar puncture, when the operation times are too many or the operation time is too long, the cerebrospinal fluid is easily polluted by bacteria in the air and the like. In addition, only one channel of the puncture needle is directly connected with air, and after the puncture needle is operated by an operator for many times, the straight tube directly collecting cerebrospinal fluid at the channel port increases the risk of contamination of cerebrospinal fluid. When the intrathecal injection operation is carried out or the cerebrospinal fluid is left for too long, the cerebrospinal fluid is easily polluted by bacteria in the air and the like. Publication No. CN202235591U discloses a lumbar puncture needle, and the needle handle intercommunication has collection bottle and manometer, but collection bottle and manometer all fix on the puncture needle, influence operator's actual operation on the one hand, and on the other hand because there is airtight space, takes place the vacuum suction of cerebrospinal fluid easily, makes the patient take place dangers such as cerebral hernia at the in-process of puncture easily.

Therefore, a novel lumbar puncture needle is urgently needed to solve the problems, the operation is simple and convenient, the pollution risks of vacuum suction of cerebrospinal fluid, cerebrospinal fluid collection and intrathecal injection can be effectively avoided, and a more accurate cerebrospinal fluid sterile culture result is obtained.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a but improvement lumbar vertebrae pjncture needle of bypass tapping and outfit return bend and pressure-measuring ware to solve the problem that prior art exists, easy and simple to handle, material cost is low, economic environmental protection, can effectively avoid the vacuum suction of cerebrospinal fluid, reduce the cerebrospinal fluid simultaneously and collect and the contaminated risk of injection in the sheath, obtain the aseptic culture result of more accurate cerebrospinal fluid. In order to achieve the above object, the utility model provides a following scheme: the utility model provides an improved lumbar puncture needle which can bypass to discharge liquid and is provided with a bent pipe and a pressure gauge, comprising a lumbar puncture needle main body, a bypass component, a needle core, a pressure component and a cerebrospinal fluid collecting pipe;

a side opening pore channel is formed on the side wall of the lumbar puncture needle main body;

the bypass assembly comprises a hose and a control valve, one end of the control valve is fixedly connected with the bypass pore channel, and the other end of the control valve is detachably connected with the hose;

the needle core is detachably connected with the lumbar puncture needle main body;

the pressure assembly is detachably connected with the tail end of the lumbar puncture needle main body;

the cerebrospinal fluid collecting pipe is detachably connected with the hose.

Preferably, the pressure assembly comprises a pressure gauge and a pressure gauge connecting port, and the pressure gauge is detachably connected with the tail end of the lumbar puncture needle main body through the pressure gauge connecting port.

Preferably, the cerebrospinal fluid collecting tube comprises a switching head and a collecting tube main body detachably connected with the switching head, and the switching head is detachably connected with the hose.

Preferably, the collecting pipe body is provided with scales.

Preferably, the front end of the lumbar puncture needle main body is a sharp corner.

Preferably, the tube mouth end of the collecting tube main body is detachably connected with a cap.

The utility model discloses a following technological effect: when the lumbar puncture needle body successfully punctures out cerebrospinal fluid, the needle core is pulled out, the control valve is in a closed state at the moment, and the tail end of the lumbar puncture needle body is connected with the pressure assembly, so that cerebrospinal fluid pressure reading can be rapidly obtained according to the pressure assembly, namely initial cerebrospinal fluid pressure; when lumbar puncture drainage is completed, the pressure assembly can accurately display the corresponding cerebrospinal fluid pressure which is the cerebrospinal fluid end pressure after the control valve is closed. The utility model eliminates the tedious steps of repeatedly pulling and inserting the piezometer tube during the traditional lumbar puncture needle pressure measurement, greatly improves the accuracy of cerebrospinal fluid pressure measurement, also gets rid of the inconvenient operation caused by the old heavy piezometer tube, can effectively reduce the probability of contamination of cerebrospinal fluid, further obtains more accurate cerebrospinal fluid sterile culture result, and also can obtain accurate cerebrospinal fluid pressure value more conveniently and quickly; in the process of discharging the cerebrospinal fluid by lumbar puncture, the cerebrospinal fluid collecting pipe is detachably connected with the hose, a gap is formed at the joint, and a non-vacuum connection mode is adopted, so that the vacuum suction of the cerebrospinal fluid can be effectively avoided, and the potential safety hazard can be eliminated; the cerebrospinal fluid can flow out of the cerebrospinal fluid collecting pipe through the hose, after the liquid discharging is completed, the conversion head on the cerebrospinal fluid collecting pipe can be detached by manually rotating the cerebrospinal fluid collecting pipe with one hand gently, the cerebrospinal fluid can be rapidly inspected, and the aseptic and simple operation can be realized.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the improved lumbar puncture needle with bypass liquid discharge and equipped with a bent tube and a pressure gauge;

FIG. 2 is a view showing a state of use of the stylet of the present invention;

FIG. 3 is an exploded view of the improved lumbar puncture needle of the present invention with bypass liquid discharge and with a bent tube and a pressure detector;

FIG. 4 is a schematic structural view of the cross-shaped band-aid of example 1;

FIG. 5 is a schematic view showing a disassembled state of a retainer ring according to embodiment 2;

FIG. 6 is a schematic view showing an assembled state of the fixing ring in embodiment 2;

wherein, 1, the lumbar puncture needle main body; 2. a second groove; 3. a needle core; 4. a control valve; 5. a hose; 6. a pressure measuring device connector; 7. a pressure gauge; 8. a conversion head; 9. a collection tube body; 10. a cross-shaped band-aid; 11. an adhesive strip; 12. a fixing ring; 13. a first snap ring; 14. a second snap ring; 15. a first groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

Example 1

Referring to fig. 1-4, the utility model provides an improved lumbar puncture needle capable of bypassing liquid discharge and equipped with a bent pipe and a pressure gauge, which comprises a lumbar puncture needle main body 1, a bypass component, a needle core 3, a pressure component and a cerebrospinal fluid collecting pipe;

a side opening pore channel is arranged on the side wall of the lumbar puncture needle main body 1; the bypass duct can be used for cerebrospinal fluid drainage or intrathecal injection;

the bypass assembly comprises a hose 5 and a control valve 4, one end of the control valve 4 is fixedly connected with the bypass opening pore channel, and the other end of the control valve 4 is detachably connected with the hose 5; the hose 5 is communicated with the lumbar puncture needle main body 1 through a side opening pore channel; the lumbar puncture needle main body 1 and the hose 5 are connected through the control valve 4, the control valve 4 can control the speed of discharging cerebrospinal fluid, and the dangers of cerebral hernia and the like caused by too high liquid discharge speed can be prevented; the bypass assembly enables cerebrospinal fluid drainage and intrathecal injection procedures to be more sterile; the needle core 3 is detachably connected with the lumbar puncture needle main body 1; the tail end of the needle core 3 is provided with a base, the base is provided with a clamping bulge, the tail end of the lumbar puncture needle main body 1 is provided with a clamping groove matched with the clamping bulge, the needle core 3 is embedded into the inner cavity of the lumbar puncture needle main body 1 before lumbar puncture operation, the clamping bulge and the clamping groove are clamped into an integrated state, the needle core 3 can enhance the strength of the lumbar puncture needle main body 1, when in use, the lumbar puncture needle main body 1 and the needle core 3 embedded in the lumbar puncture needle main body are inserted into a puncture part of a patient together, after the puncture is successful, the clamping groove and the clamping bulge are separated, and the needle core 3 is slowly drawn out from the lumbar puncture needle main body 1;

the pressure component is detachably connected with the tail end of the lumbar puncture needle main body 1; the cerebrospinal fluid collecting pipe is detachably connected with the hose 5.

Further optimize the scheme, pressure assembly includes manometer 7 and pressure-measuring ware connector 6, and manometer 7 passes through pressure-measuring ware connector 6 and can dismantle with waist and wear needle main part 1 tail end and be connected. The pressure gauge 7 is a pressure gauge with a pointer, is preferably made of low-cost and safe plastics, after the puncture is successful, the control valve 4 is kept in a closed state, the pressure gauge connecting port 6 and the pressure gauge 7 are connected, the cerebrospinal pressure reading can be accurately and quickly obtained, the pressure gauge connecting port 6 is directly connected with the tail end of the lumbar puncture needle body 1, and the cerebrospinal pressure can be accurately and quickly measured.

In a further optimized scheme, the cerebrospinal fluid collecting tube comprises a conversion head 8 and a collecting tube main body 9 detachably connected with the conversion head 8, and the conversion head 8 is detachably connected with the hose 5; the collecting pipe main body 9 is communicated with the hose 5 through a conversion head 8; the cerebrospinal fluid is taken out by using the main body 9 with the conversion head 8 and the collecting pipe, so that the probability of contamination of the cerebrospinal fluid in the lumbar puncture process is lower, the cerebrospinal fluid is stored more safely and cleanly, the contamination risk of the cerebrospinal fluid and intrathecal injection is obviously reduced, and a more accurate cerebrospinal fluid sterile culture result is obtained.

Further optimize the scheme, be equipped with the scale on the collecting pipe main part 9, be convenient for master the collection volume of patient's cerebrospinal fluid fast.

Further optimizes the proposal that the front end of the lumbar puncture needle main body 1 is a sharp corner.

Further optimize the scheme, the nose end of collecting pipe main part 9 can be dismantled and be connected with the block, and the cross section of the body of collecting pipe main part 9 is circular, and the conversion head 8 is the bending, when cerebrospinal fluid is collected and is accomplished, can easily be unloaded with the conversion head 8 through manual rotation, behind the good pipe cap of collecting pipe main part 9 top, can send the inspection fast to the cerebrospinal fluid sample.

According to the further optimized scheme, the hose 5, the pressure measuring device connecting port 6 and the conversion head 8 are preferably made of safe and sterile plastics, so that the material cost is greatly reduced, and compared with similar products, the automatic pressure measuring device is more economical and durable, and is more beneficial to large-area popularization and practical clinical application.

Further optimize the scheme, refer to fig. 4, use cross woundplast 10 to paste in patient's puncture position after the lumbar puncture operation, cross woundplast 10 includes four adhesive beads 11, four adhesive beads 11 intercross, increase with skin laminating nature and waterproof nature, can effectively prevent puncture wound infection or delay healing, can effectively avoid ordinary woundplast to drop very easily when using, make the wound contact water, bacterium etc. cause the condition such as delay healing, wound infection.

The specific operation flow is as follows:

1. in the process of lumbar puncture, puncture is carried out after local conventional disinfection and infiltration anesthesia. When the lumbar puncture needle body 1 passes through the ligamentum flavum and the dura mater, there is a feeling of falling empty that the resistance suddenly disappears. At the moment, the needle core 3 in the lumbar puncture needle main body 1 is slowly drawn out, so that the cerebrospinal fluid flows out, the control valve 4 is in a closed state, the tail end of the lumbar puncture needle main body 1 is quickly connected with the pressure measuring device connecting port 6, and the cerebrospinal fluid pressure reading can be quickly obtained according to the number corresponding to the pointer of the pressure gauge 7, namely the initial pressure of the cerebrospinal fluid; when lumbar puncture drainage is completed, the pressure gauge 7 can accurately display the corresponding cerebrospinal fluid pressure, which is the cerebrospinal fluid end pressure, after the control valve 4 is closed. The initial pressure and the final pressure of the cerebrospinal fluid are measured in the puncturing process, so that a doctor can master the specific condition of the cerebrospinal fluid pressure of a patient, the outflowing cerebrospinal fluid is collected for biochemical examination, and the cerebrospinal fluid pressure can be reduced by performing standard cerebrospinal fluid discharging in a certain range; the utility model discloses compare with the tradition and improved cerebrospinal fluid pressure measurement's the degree of accuracy greatly, also broken away from the inconvenient operation that old-fashioned heavy pressure-measuring pipe brought, can effectively reduce the probability that the cerebrospinal fluid received the pollution, also can reach accurate cerebrospinal fluid pressure value convenient and fast ground more.

2. In the process of discharging the cerebrospinal fluid by lumbar puncture, the conversion head 8 is connected with the hose 5, and because a gap exists between the conversion head 8 and the hose 5, namely a non-vacuum connection mode is adopted, the vacuum suction of the cerebrospinal fluid can be effectively avoided, and potential safety hazards are eliminated; cerebrospinal fluid can flow out of the collecting pipe main body 9 through the control valve 4, the hose 5 and the conversion head 8, when liquid discharging is completed, the conversion head 8 can be detached by manually rotating the conversion head 8 slightly with one hand, the cerebrospinal fluid collecting pipe main body 9 is left, and the pipe cap matched with the top of the collecting pipe main body 9 is covered tightly, so that rapid delivery inspection can be achieved.

3. If the intrathecal injection operation is required, the syringe is connected with the hose 5 for the relevant operation. After the relevant operation of lumbar puncture or intrathecal injection is completed, the cross band-aid 10 is used to cover the wound, 4 adhesive strips 11 are tightly attached to the skin, the infection of the puncture opening is prevented or the healing is delayed, the infection is prevented, and the tunneling operation is completed.

Example 2

Referring to fig. 5-6, the difference from embodiment 1 is that the hose 5 and the conversion head 8 are clamped by a fixing ring 12, and a first snap ring 13 is sleeved outside one end of the hose 5 close to the fixing ring 12;

a second snap ring 14 is sleeved outside one end, close to the fixing ring 12, of the conversion head 8, and the sizes of the outer side walls of the first snap ring 13 and the second snap ring are larger than those of the inner side walls of the first snap ring and the second snap ring;

the fixing ring 12 is provided with a first groove 15 and a second groove 2, the fixing ring 12 is sleeved outside the hose 5 and the conversion head 8, and one end of the hose 5 is sleeved inside the conversion head 8; the first groove 15 is detachably connected with the first snap ring 13, and the second groove 2 is detachably connected with the second snap ring 14.

With the arrangement, in the process of discharging cerebrospinal fluid by lumbar puncture, the fixing ring 12 is firstly sleeved outside one end of the hose 5 close to the conversion head 8, and the first clamping ring 13 is clamped into the first groove 15 by adjusting the position, so that the fixing ring 12 and the hose 5 are fixed; then, one end of the hose 5 close to the conversion head 8 is inserted into the conversion head 8; finally, clamping a second clamping ring 14 on the conversion head 8 with the second groove 2, so that the conversion head 8 and the hose 5 are clamped into a whole, namely the assembly is completed; the cerebrospinal fluid that emits can be via control valve 4, hose 5, solid fixed ring 12 and conversion head 8 flow out to collecting main part 9, when the tapping is accomplished, artifical one hand is rotatory conversion head 8 gently, make second snap ring 14 and the separation of second recess 2, can dismantle conversion head 8, leave cerebrospinal fluid collecting main part 9, and can send out the inspection fast after covering tightly with the tube cap of collecting main part 9 top looks adaptation, because there is the clearance between solid fixed ring 12 and conversion head 8 and the hose 5, adopt the mode of non-vacuum connection promptly, can effectively avoid the vacuum suction of cerebrospinal fluid, clear away the potential safety hazard.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims (6)

1. An improved lumbar puncture needle capable of bypassing liquid discharge and provided with a bent pipe and a pressure gauge is characterized by comprising:

the lumbar puncture needle comprises a lumbar puncture needle body (1), wherein a side opening pore channel is formed in the side wall of the lumbar puncture needle body (1);

the bypass assembly comprises a hose (5) and a control valve (4), one end of the control valve (4) is fixedly connected with the bypass hole channel, and the other end of the control valve (4) is detachably connected with the hose (5);

the needle core (3) is detachably connected with the lumbar puncture needle main body (1);

the pressure component is detachably connected with the tail end of the lumbar puncture needle main body (1);

the cerebrospinal fluid collecting pipe is detachably connected with the hose (5).

2. The improved lumbar puncture needle with bypass drain and elbow and manometer of claim 1, wherein: the pressure component comprises a pressure gauge (7) and a pressure gauge connecting port (6), and the pressure gauge (7) is detachably connected with the tail end of the lumbar puncture needle main body (1) through the pressure gauge connecting port (6).

3. The improved lumbar puncture needle with bypass drain and elbow and manometer of claim 1, wherein: the cerebrospinal fluid collecting tube comprises a conversion head (8) and a collecting tube main body (9) detachably connected with the conversion head (8), and the conversion head (8) is detachably connected with the hose (5).

4. The improved lumbar puncture needle with bypass drain and elbow and manometer of claim 3, wherein: scales are arranged on the collecting pipe main body (9).

5. The improved lumbar puncture needle with bypass drain and elbow and manometer of claim 1, wherein: the front end of the lumbar puncture needle main body (1) is a sharp corner.

6. The improved lumbar puncture needle with bypass drain and elbow and manometer of claim 3, wherein: the pipe orifice end of the collecting pipe main body (9) is detachably connected with a cover cap.

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