CN217430240U - Rat intrathecal indwelling catheter tool set - Google Patents

Abstract

The utility model provides a rat intrathecal intubation tool set relates to medical instrument technical field. The rat intrathecal catheter kit comprises a first catheter; the first catheter is provided with a plurality of scale marks for indicating the insertion depth of the first catheter; and/or a bending section is arranged on the inner pipe wall of the first pipe, and the bending section can be bent to adjust the bending degree of the first pipe. This rat intrathecal intubation tool set has the advantage that the intrathecal intubation operation of being more convenient for improves the experiment success rate.

Description

Rat intrathecal indwelling catheter tool set

Technical Field

The utility model belongs to the technical field of medical instrument.

Background

With the development of modern medicine, the average life of human beings is greatly prolonged, diseases can be better cured, and the pain is relieved. The development of medicine is not well-known from animal experiments.

As the first mammalian species domesticated for research, rats have advantages of easy availability, genetic stability, strong adaptability, many physiologically known parts, known strains, animal models for many diseases, and the like.

The rat intrathecal catheterization is a technique of placing a trace catheter into the subarachnoid space of a rat through the vertebral space. The drug is directly infused into the subarachnoid space through the indwelling micro catheter so as to research the effect of the drug on the spinal cord, and the cerebrospinal fluid can be collected for the research of the microenvironment of the central nervous system without considering the influence of the blood brain barrier. The technology has important value in animal eyelid study of neuroscience, anesthesia and analgesia, cardiovascular spinal cord regulation and control mechanism and drug spinal cord effect.

However, in the current rat intrathecal tube experiment, since there is no special set of experimental tools for rats, experimenters often purchase various experimental tools for rats in batches by means of online shopping, and because the experimental tools are trivial, the experimenters may forget to purchase some kind of tool during the purchase, which may hinder the experiment from proceeding and preparing. Meanwhile, the tool often has the problems of unknown history, incomplete disinfection and the like, and the rat is usually accidentally dead in the experiment, so that adverse effects are caused on the health of the experimental rat and the smooth operation of the rat intrathecal catheterization experiment.

In addition, these experimental tools have inconvenient use, such as the insertion depth can not be observed well when the catheter is used for rats, and the bending can occur due to the limited bending degree, which affects the experiment.

In summary, how to provide an experimental tool set suitable for rat intrathecal intubation experiments, which is more convenient for intrathecal intubation operation and improves the success rate of experiments is a technical problem to be solved urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming prior art's not enough, providing a rat intrathecal intubation tool suit, can instruct the depth of insertion of pipe to be convenient for adjust pipe crookedness, avoid warping and buckle, the intrathecal intubation operation of being convenient for.

The utility model provides a rat intrathecal intubation tool set, which comprises a first catheter;

the first catheter is provided with a plurality of scale marks for indicating the insertion depth of the first cannula;

and/or a plurality of bending sections are arranged on the inner pipe wall of the first conduit, and the bending sections can be bent to adjust the bending degree of the first conduit.

Further, the bending section is an elastic spiral bending section, an elastic strip bending section and/or an elastic net bending section.

Further, the tip of the first catheter is pointed.

Further, the length of the first conduit is 25 +/-5 centimeters.

Further, the medical catheter further comprises an adhesive tape, wherein the adhesive tape can be adhered to the first catheter and used for fixing the first catheter.

Further, the device also comprises a second conduit which is used for closing the top end of the first conduit; one end of the two ends of the second conduit is closed, and the other end of the second conduit is open;

the outer diameter of the first conduit is matched with the inner diameter of the second conduit, and the first conduit can be inserted into one end of the opening of the second conduit.

Further, the second conduit has a length of 1.5 ± 0.5 cm.

Furthermore, a marking line is arranged on the outer pipe wall of the second conduit.

Further, the device also comprises a needle used for puncturing the rat dura mater.

Further, gauze, cotton balls, paving towels, hole towels and/or gloves are also included.

The utility model discloses owing to adopt above technical scheme, compare with prior art, as the example, have following advantage and positive effect:

the first guide pipe is provided with scale marks which can indicate the insertion depth of the first guide pipe. The curvature of the first guide pipe can be adjusted through the curved section on the inner pipe wall, so that the pipe inserting operation is facilitated, and the first guide pipe can be prevented from being folded during pipe inserting. Can also fix first pipe through the adhesive tape during the intubate, prevent that the pipe from sliding.

Drawings

Fig. 1 is a schematic structural diagram of a first conduit according to the present invention.

Fig. 2 is a schematic structural diagram of the bending section provided by the present invention.

Fig. 3 is a schematic structural diagram of a bending section according to another embodiment of the present invention.

Fig. 4 is a schematic view of a connection structure between the second conduit and the first conduit according to the present invention.

Description of reference numerals:

the rat intrathecal intubation kit 100, a first catheter 110, a first catheter tip 111, a curved section 112, a graduation mark 113, a second catheter 120, a marking line 121, and an adhesive tape 130.

Detailed Description

The multifunctional joint disclosed by the invention is further described in detail with reference to the attached drawings and specific embodiments. It should be noted that technical features or combinations of technical features described in the following embodiments should not be considered as being isolated, and they may be combined with each other to achieve better technical effects. In the drawings of the embodiments described below, the same reference numerals appearing in the respective drawings denote the same features or components, and may be applied to different embodiments. Thus, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

It should be noted that the structures, ratios, sizes, etc. shown in the drawings of the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, and any modifications of the structures, changes of the ratio relationships, or adjustments of the sizes should fall within the scope that the technical contents disclosed in the present invention can cover without affecting the functions and purposes that the present invention can achieve. The scope of the preferred embodiments of the present invention includes other implementations in which functions may be performed out of the order described or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present invention.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

Examples

The present embodiment provides a rat intrathecal catheter kit 100, which includes a first catheter 110. As shown with reference to figure 1 of the drawings,

the tip 111 of the first conduit is pointed.

The first guide pipe is provided with a plurality of scale marks 113 for indicating the insertion depth of the first guide pipe.

Optionally, with the top end of the first catheter as a starting point, four scale marks are arranged within a range of 1-5 cm from the top end of the first catheter, and the interval between the four scale marks is 1 cm.

The rat intrathecal instrumentation kit 100 also comprises a plaster 130, which can be adhered to the aforementioned first catheter, for fixing the first catheter.

In a specific operation, the adhesive tape 130 is adhered to a depth of the first guide tube to be inserted into the rat, thereby preventing the first guide tube from slipping during the intubation operation.

Optionally, the size of the rubberized fabric is 3mm in length and 2mm in width.

As shown in fig. 2 and 3, the inner wall of the first conduit is provided with a bending section 112, which can be bent to adjust the bending degree of the first conduit.

The bending section can be made of metal wires, such as medical stainless steel wires and the like, and has certain hardness and certain flexibility. The bending section is an elastic spiral bending section, an elastic strip bending section and/or an elastic net bending section.

The curved section 112 of the helical structure is shown in fig. 2. The particular number and location of helical bends provided is not limiting. By way of example and not limitation, a plurality of helically curved segments may be spaced on the inner wall of the first conduit, as shown in fig. 2. In addition, a spiral bending section can be coated on the inner tube wall of the first conduit.

The curved section 112 of the strip-like structure is shown in fig. 3. Also, the particular number and location of the strip-shaped curved segments is not limited. By way of example and not limitation, a plurality of strip-shaped bent segments may be spaced apart on the inner wall of the first conduit. The strip-shaped bent sections can be arranged on different sides relative to each other as shown in fig. 3, or can be arranged on the same side of the inner pipe wall.

The length of the first conduit is 25 +/-5 centimeters.

The pipe diameter of the first conduit is unlimited, and different specifications and models can be set according to experimental needs. Optionally, the inner diameter of the first conduit is selected to be 0.28 ± 0.1 mm. The outer diameter of the first conduit is selected to be 0.60 ± 0.1 mm.

As shown in fig. 4, the rat intrathecal intubation kit 100 also includes a second catheter 120 for closing the tip of the first catheter 110.

One of the two ends of the second guide tube 120 is closed and the other end is open. The first guide pipe 110 has an outer diameter matched with an inner diameter of the second guide pipe 120 and can be inserted into an open end of the second guide pipe 120, thereby achieving the interconnection of the first guide pipe and the second guide pipe.

The second conduit has a marking line 121 disposed on its outer wall, by way of example and not limitation, and a marking line disposed longitudinally on its outer wall, as shown in fig. 4. The marking line can be selected from colors such as black, red and the like, and is helpful for experimenters to distinguish the first conduit from the second conduit during specific operation so as to avoid confusion.

The length of the second conduit is 1.5 +/-0.5 centimeters.

The pipe diameter of the second conduit is unlimited, and different specifications and models can be set according to experimental needs. Optionally, the inner diameter of the second conduit is selected to be 0.58 ± 0.1 mm, and the outer diameter is selected to be 0.95 ± 0.1 mm.

The first conduit and the second conduit are made of, for example, PE, PU, or the like, and are non-toxic and easy to clean.

The rat intrathecal instrumentation kit 100 also includes a needle for puncturing the rat dura. Optionally, the needle is a medical No. 7 needle with a needle diameter of about 0.7 mm.

The rat intrathecal instrumentation kit 100 also includes gauze, cotton balls, drape, hole towel and/or gloves.

By way of example and not limitation, two gauzes, a drape, a hole towel, 1 pair of gloves, and a plurality of cotton balls. The cotton balls are about 5 mm in size and used for compacting muscle tissues and small debris, so that blunt classification operation is facilitated.

The rat intrathecal instrumentation kit 100 includes all the tools that are medical-sized and sterilized.

It is within the scope of the disclosure that the various components may be selectively and operatively combined in any number. In addition, terms like "comprising" should be interpreted as inclusive or open-ended, rather than exclusive or closed-ended, by default, unless explicitly defined to the contrary. All technical, scientific, or other terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs unless defined otherwise. Common terms found in dictionaries should not be interpreted too ideally or too realistically in the context of related art documents unless the present disclosure expressly limits them to that.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. The utility model provides a rat intrathecal catheter tool set which characterized in that: the rat intrathecal intubation kit comprises a first catheter;

the first catheter is provided with a plurality of scale marks for indicating the insertion depth of the first catheter;

and/or a bending section is arranged on the inner pipe wall of the first pipe, and the bending section can be bent to adjust the bending degree of the first pipe.

2. The rat intrathecal catheter kit as in claim 1, wherein: the bending section is an elastic spiral bending section, an elastic strip bending section and/or an elastic net bending section.

3. The rat intrathecal catheter kit as in claim 1, wherein: the top end of the first conduit is pointed.

4. The rat intrathecal catheter kit as in claim 1, wherein:

the first conduit has a length of 25 ± 5 centimeters.

5. The rat intrathecal catheter kit as in claim 1, wherein:

the first catheter is characterized by further comprising an adhesive tape, wherein the adhesive tape can be adhered to the first catheter and used for fixing the first catheter.

6. The rat intrathecal catheter kit as in claim 1, wherein: the second conduit is used for closing the top end of the first conduit; one end of the two ends of the second conduit is closed, and the other end of the second conduit is open;

the outer diameter of the first conduit is matched with the inner diameter of the second conduit, and the first conduit can be inserted into one end of the opening of the second conduit.

7. The rat intrathecal catheter kit as in claim 6, wherein: the length of the second conduit is 1.5 +/-0.5 centimeters.

8. The rat intrathecal catheter kit as in claim 6, wherein: and a marking line is arranged on the outer pipe wall of the second conduit.

9. The rat intrathecal catheter kit as in claim 1, wherein: the device also comprises a needle head which is used for puncturing the rat dura mater.

10. The rat intrathecal catheter kit as in claim 1, wherein: also comprises gauze, cotton balls, paving towels, hole towels and/or gloves.

Images