CN216933277U

CN216933277U - Clinical measurement sampler that uses of department of neurology

Info

Publication number: CN216933277U
Application number: CN202122376908.0U
Authority: CN
Inventors: 刘思序
Original assignee: Peoples Hospital of Deyang City
Current assignee: Peoples Hospital of Deyang City
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-07-12
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses a measurement sampler for neurology clinic, relates to the technical field of medical equipment, and can be used for positioning a puncture needle. Comprises a positioning mechanism and a sampling mechanism; the positioning mechanism comprises a positioning cylinder, the positioning cylinder is of a hollow structure with openings at two ends, an opening is formed in the side wall of the positioning cylinder in a penetrating mode in the direction of the extension degree, and an adjusting portion used for changing the width of the opening is arranged on the positioning cylinder; the sampling mechanism comprises a needle cylinder, a puncture needle, a piston and a catheter, the needle cylinder is movably sleeved in the positioning cylinder, one end of the piston movably penetrates through the needle cylinder, and the other end of the piston extends to the outside of the needle cylinder; the end part of the needle cylinder, which deviates from the piston, is vertically and communicated with the puncture needle, and the needle cylinder is communicated with and detachably provided with the catheter. According to the utility model, the position of the puncture needle is fixed by the arrangement of the positioning cylinder, so that the sampling position deviation is avoided.

Description

Clinical measurement sampler that uses of department of neurology

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a measurement sampler for neurology clinic.

Background

Neurology disease is treating the patient and nursing the in-process, need carry out cerebrospinal fluid pressure measurement and sample sampling operation to the patient, uses a disinfection pipe connection pjncture needle and manometer generally, measures cerebrospinal fluid pressure force earlier, and then the reuse puncture is taken a sample to cerebrospinal fluid, nevertheless in the sample process, the position of pjncture needle is difficult for fixing, causes the sample position deviation easily.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: provided is a sampler capable of positioning a puncture needle.

The utility model is realized by the following technical scheme:

a measurement sampler for clinical neurology comprises a positioning mechanism and a sampling mechanism;

the positioning mechanism comprises a positioning cylinder, the positioning cylinder is of a hollow structure with openings at two ends, an opening is formed in the side wall of the positioning cylinder in a penetrating mode in the direction of the extension degree, and an adjusting portion used for changing the width of the opening is arranged on the positioning cylinder;

the sampling mechanism comprises a needle cylinder, a puncture needle, a piston and a catheter, the needle cylinder is movably sleeved in the positioning cylinder, one end of the piston movably penetrates through the needle cylinder, and the other end of the piston extends to the outside of the needle cylinder; the end part of the needle cylinder, which deviates from the piston, is vertically and communicated with the puncture needle, and the needle cylinder is communicated with and detachably provided with the catheter.

In an initial state, the needle cylinder can move in the positioning cylinder, and the width of the opening is reduced through the adjusting part, so that the inner diameter of the positioning cylinder is reduced until the positioning cylinder can fix the needle cylinder, and the needle cylinder can be suitable for needle cylinders with different thicknesses; after the puncture needle penetrates into a part to be punctured, the piston is pulled outwards, cerebrospinal fluid flows into the needle cylinder along the puncture needle under the action of pressure, flows into the catheter from the outlet, and is collected.

Preferably, the regulating part includes fixed block, spacing ring, open-ended both sides just are located all seted up the mounting groove on the location section of thick bamboo, two set firmly respectively in the mounting groove and keeping away from the fixed block that a location section of thick bamboo direction extends, two common cover is equipped with on the fixed block and is used for making the spacing ring that the fixed block is close to each other.

Further preferably, the mounting groove is the arc structure, two the fixed block is the half cone structure of mutual adaptation, the laminating at the end of the awl of half cone structure the arc structure sets up, the spacing ring is established two simultaneously through the screw thread on the fixed block.

Preferably, the positioning mechanism further comprises a bottom plate and a base cylinder, the bottom end of the base cylinder is fixedly arranged on the bottom plate, and the top end of the base cylinder is horizontally provided with the positioning cylinder.

Further preferably, the top end of the base cylinder is hinged with the positioning cylinder. Preferably, be equipped with the spacing groove on the inner wall of a location section of thick bamboo, the spacing inslot has set firmly the spring, the terminal fixedly connected with stopper of spring, the stopper with the one side that the cylinder meets is the scarf structure, be provided with on the outer wall of cylinder with a plurality of spacing teeth of scarf structure looks adaptation, and a plurality of spacing tooth is all followed the length direction align to grid of cylinder.

Preferably, the positioning cylinder is of a transparent structure.

Preferably, a pressure gauge is fixedly arranged on the guide pipe, and the tail end of the guide pipe is detachably connected with a sampling pipe.

The utility model has the following advantages and beneficial effects:

1. the position of the puncture needle can be fixed by the positioning cylinder, and the sampling position deviation is avoided.

2. After the length needing to be punctured is estimated, the puncturing depth is controlled through the cooperation among the limiting teeth, the limiting block and the spring, and the situation that the puncturing is too deep or too shallow is avoided.

3. The cooperation of fixed block and spacing ring can fix the cylinder better, also can be in the sample completion back convenient to dismantle of cylinder.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the principles of the utility model. In the drawings:

FIG. 1 is a schematic structural view of embodiment 1 of the present invention;

FIG. 2 is a schematic structural view of a positioning cylinder in accordance with embodiment 1 of the present invention;

FIG. 3 is a schematic cross-sectional view of example 1 of the present invention;

FIG. 4 is a view showing the connection between the cylinder and the positioning cylinder in accordance with embodiment 1 of the present invention;

fig. 5 is a schematic structural diagram of a sampling mechanism in embodiment 1 of the present invention.

Reference numbers and corresponding part names in the drawings:

1-needle cylinder, 2-puncture needle, 3-pressure gauge, 4-catheter, 5-positioning cylinder, 6-base cylinder, 8-mounting groove, 9-opening, 10-fixing block, 11-limiting groove, 12-spring, 13-limiting block, 14-limiting tooth, 15-limiting ring and 16-piston.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the present invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.

Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the utility model. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be construed as limiting the scope of the present invention.

Example 1:

a neurology clinical measurement sampler, as shown in figures 1 to 5, comprises a positioning mechanism and a sampling mechanism;

the positioning mechanism comprises a positioning cylinder 5, the positioning cylinder 5 is of a hollow structure with openings 9 at two ends, the opening 9 penetrates through the side wall of the positioning cylinder 5 in the extension direction, and an adjusting part for changing the width of the opening 9 is arranged on the positioning cylinder 5;

the sampling mechanism comprises a needle cylinder 1, a puncture needle 2, a piston 16 and a catheter 4, wherein the needle cylinder 1 is movably sleeved in the positioning cylinder 5, one end of the piston 16 is movably arranged in the needle cylinder 1 in a penetrating manner, and the other end of the piston extends to the outside of the needle cylinder 1; the end part of the needle cylinder 1 departing from the piston 16 is vertically and communicated with the puncture needle 2, and the needle cylinder 1 is communicated with and detachably provided with the catheter 4.

In the initial state, the needle cylinder 1 can move in the positioning cylinder 5, and the width of the opening 9 is reduced through the adjusting part, so that the inner diameter of the positioning cylinder 5 is reduced until the positioning cylinder 5 can fix the needle cylinder 1, and the needle cylinder 1 can be suitable for needle cylinders 1 with different thicknesses; after the puncture needle 2 penetrates into a part to be punctured, the piston 16 is pulled outwards, and cerebrospinal fluid flows into the needle cylinder 1 along the puncture needle 2 under the action of pressure, flows into the catheter 4 from the outlet and is collected.

As shown in fig. 2 to 3, in one or more embodiments, the adjusting portion includes a fixing block 10 and a limiting ring 15, mounting grooves 8 are respectively formed on two sides of the opening 9 and on the positioning cylinder 5, the two mounting grooves 8 are respectively and fixedly provided with the fixing block 10 extending in a direction away from the positioning cylinder 5, and the two fixing blocks 10 are jointly sleeved with the limiting ring 15 for enabling the fixing blocks 10 to approach each other.

The fixing block 10 is driven by the limiting ring 15 to approach each other, so that the two sides of the opening 9 are driven to approach each other, the width of the opening 9 is reduced, and the inner diameter of the positioning cylinder 5 is reduced.

The mode that the limiting ring 15 makes the fixing blocks 10 approach to each other may be realized by changing the internal area of the limiting ring 15 and then extruding the two fixing blocks 10 in opposite directions, or realized by gradually increasing or decreasing the distance between the surfaces of one side, which are away from each other, of the two fixing blocks 10 along the extending direction thereof, and making the limiting ring 15 move in the extending mode thereof and then extrude the fixing blocks 10.

Therefore further, in one or more embodiments, the mounting groove 8 is an arc-shaped structure, the two fixing blocks 10 are half-cone-shaped structures which are matched with each other, the cone bottoms of the half-cone-shaped structures are attached to the arc-shaped structures, and the limiting ring 15 is sleeved on the two fixing blocks 10 through threads.

The half-cone structures which are mutually matched are two structures which are cut along the axis of the cone structure, the surface of one side of each fixed block 10, which deviates from each other, is a curved surface of the fixed block, the distance between the two structures is gradually reduced in the direction of keeping away from the positioning cylinder 5, and therefore the limiting ring 15 moves on the pair of fixed blocks 10 by rotating the limiting ring 15 along the thread direction, so that the inner diameter of the positioning cylinder 5 can be adjusted at any time, and the needle cylinders 1 with different thicknesses can be fixed.

In one or more embodiments, the positioning mechanism further comprises a bottom plate and a base barrel 6, the bottom end of the base barrel 6 is fixedly arranged on the bottom plate, and the top end of the base barrel 6 is horizontally provided with the positioning barrel 5. Through the setting of bottom plate, make whole equipment more stable.

Further, in one or more embodiments, the top end of the base cylinder 6 is hinged to the positioning cylinder 5. The angle of the positioning cylinder 5 can be adjusted, thereby adjusting the angle of the needle cylinder 1. The hinging mode refers to the connection mode of the all-metal base and the aluminum alloy lock magnet outer ring in the mobile phone frame with the brand of Kuste and the model of SHZJ-999 in the prior art.

As shown in fig. 3 to 4, in one or more embodiments, be equipped with spacing groove 11 on the inner wall of a location section of thick bamboo 5, spring 12 has set firmly in spacing groove 11, the terminal fixedly connected with stopper 13 of spring 12, stopper 13 with the one side that cylinder 1 meets is the scarf structure, be provided with on the outer wall of cylinder 1 with a plurality of spacing teeth 14 of scarf structure looks adaptation, and a plurality of spacing tooth 14 all follows the length direction align to grid of cylinder 1.

The oblique plane of the limiting block 13 is attached to the oblique plane of the limiting teeth 14, when the needle cylinder 1 is pushed forward, the spring 12 is shortened, in the process that the limiting block 13 reaches the highest end of the limiting teeth 14, the resistance of the needle cylinder 1 is pushed to be gradually increased until the highest end of the limiting teeth 14 is reached, the spring 12 is shortened to be shortest, the needle cylinder 1 is continuously pushed forward, the limiting block 13 drops to the next limiting teeth 14, at the moment, the spring 12 is instantly lengthened and is instantly reduced, the user can judge the distance of the forward pushing of the needle cylinder 1 through the change of the sensed resistance, so that the depth of the puncture needle 2 is estimated, the needle cylinder 1 is pushed to enable the puncture needle 2 to puncture the part to be punctured, cerebrospinal fluid is collected, and after the collection is finished, the needle cylinder 1 is separated from the positioning cylinder 5 by adjusting the adjusting part, thereby disassembling the cylinder 1.

In one or more embodiments, the positioning cylinder 5 is a transparent structure. The sampling condition is conveniently observed.

In one or more embodiments, the pressure gauge 3 is fixedly arranged on the guide pipe 4, and the tail end of the guide pipe 4 is detachably connected with a sampling pipe. Observe pressure value on the manometer 3, if patient cerebrospinal fluid pressure is normal this moment, then can continue to take a sample to the patient, the sample tube is convenient for collect the sample.

The working principle is as follows: the needle cylinder 1 is sleeved in the positioning cylinder 5, the positioning cylinder 5 is aligned to the part to be punctured, and the puncture needle 2 can be aligned to the part to be punctured; in an initial state, the needle cylinder 1 can move in the positioning cylinder 5, the limiting ring 15 is sleeved on the pair of fixing blocks 10, the pair of fixing blocks 10 are continuously close to each other, the opening 9 is continuously close to each other, and therefore the inner diameter of the positioning cylinder 5 is reduced until the positioning cylinder 5 can fix the needle cylinder 1; after the puncture needle 2 is aligned to a part to be punctured, the piston 16 is pulled outwards, cerebrospinal fluid flows into the needle cylinder 1 along the puncture needle 2 under the action of pressure, the needle cylinder 1 is communicated through the guide outlet and is detachably provided with the guide pipe 4, and the cerebrospinal fluid flows into the guide pipe 4 from the guide outlet, so that the cerebrospinal fluid can be collected.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A neurology clinical measurement sampler is characterized by comprising a positioning mechanism and a sampling mechanism;

the positioning mechanism comprises a positioning barrel (5), the positioning barrel (5) is of a hollow structure with openings (9) at two ends, the opening (9) is formed in the side wall of the positioning barrel (5) in a penetrating mode in the extension direction, and an adjusting portion used for changing the width of the opening (9) is arranged on the positioning barrel (5);

the sampling mechanism comprises a needle cylinder (1), a puncture needle (2), a piston (16) and a catheter (4), the needle cylinder (1) is movably sleeved in the positioning cylinder (5), one end of the piston (16) is movably arranged in the needle cylinder (1) in a penetrating mode, and the other end of the piston extends to the outside of the needle cylinder (1); the end part of the needle cylinder (1) departing from the piston (16) is vertically and communicated with the puncture needle (2), and the needle cylinder (1) is communicated with and detachably provided with the catheter (4).

2. A neurology clinical measurement sampler according to claim 1, wherein: the regulating part includes fixed block (10), spacing ring (15), the both sides of opening (9) just are located all seted up mounting groove (8), two on a location section of thick bamboo (5) respectively set firmly in mounting groove (8) and to keeping away from fixed block (10), two that a location section of thick bamboo (5) direction extends common cover is equipped with on fixed block (10) and is used for making spacing ring (15) that fixed block (10) are close to each other.

3. A neurology clinical measurement sampler according to claim 2, wherein: mounting groove (8) are the arc type structure, two fixed block (10) are the half cone structure of mutual adaptation, the laminating at the bottom of the awl of half cone structure the arc type structure sets up, spacing ring (15) are established two simultaneously through the screw thread on fixed block (10).

4. A neurology clinical measurement sampler according to claim 1, wherein: the positioning mechanism further comprises a bottom plate and a base barrel (6), the bottom end of the base barrel (6) is fixedly arranged on the bottom plate, and the top end of the base barrel (6) is horizontally provided with the positioning barrel (5).

5. A neurological clinical measurement sampler according to claim 4, wherein: the top end of the base barrel (6) is hinged with the positioning barrel (5).

6. A neurology clinical measurement sampler according to claim 1, wherein: be equipped with spacing groove (11) on the inner wall of location section of thick bamboo (5), spring (12) have set firmly in spacing groove (11), the terminal fixedly connected with stopper (13) of spring (12), stopper (13) with the one side that cylinder (1) met is the scarf structure, be provided with on the outer wall of cylinder (1) with a plurality of spacing tooth (14) of scarf structure looks adaptation, and a plurality of spacing tooth (14) are all followed the length direction align to grid of cylinder (1).

7. A neurology clinical measurement sampler according to claim 1, wherein: the positioning cylinder (5) is of a transparent structure.

8. A neurology clinical measurement sampler according to claim 1, wherein: the pressure gauge (3) is fixedly arranged on the guide pipe (4), and the tail end of the guide pipe (4) is detachably connected with a sampling pipe.