CN115068727A - Anorectal cleaning device and manufacturing method - Google Patents

Abstract

The invention relates to the technical field of medical instruments, in particular to an anorectal cleaning device and a manufacturing method thereof. The anorectal cleaning device is characterized in that a dosing channel is arranged in the middle of a dosing rod, and a plurality of dosing holes communicated with the dosing channel are formed in the side wall of the dosing rod; the drug administration rod is also provided with a plurality of accommodating holes, the accommodating holes extend along the length direction of the drug administration rod, the accommodating holes are blind holes, and the accommodating holes are uniformly distributed around the circumferential direction of the drug administration channel; the side wall of the drug administration rod is provided with a plurality of accommodating grooves, the accommodating grooves extend along the length direction of the drug administration rod, and the bottoms of the accommodating grooves are communicated with the accommodating holes; be equipped with the liquid bag in the accommodation hole, the liquid bag is followed it extends to give medicine stick length direction, just the liquid bag is protruding under the swelling state give medicine stick lateral wall, can form the flowing back passageway at the stick lateral wall of giving the nutrition to timely discharge washing waste liquid ensures the cleaning performance. The manufacturing method of the anorectal cleaning device can be used for manufacturing the anorectal cleaning device.

Description

Anorectal cleaning device and manufacturing method

Technical Field

The invention relates to the technical field of medical instruments, in particular to an anorectal cleaning device and a manufacturing method thereof.

Background

Need the liquid medicine to wash anorectal intestines section after most anorectal operations, current anus intestines branch of academic or vocational study washs usefulness including dosing the stick, be equipped with in the middle part of dosing the stick and dose the runner, the lateral wall periphery be equipped with the hole of dosing of runner intercommunication of dosing to ensure when dosing the runner filling washing liquid medicine, can wash the intestines section that needs to wash. In clinical treatment, when the administration rod is inserted into the anus of a patient, the perianal muscles are stimulated to contract, so that the anus plica is tightly pressed on the side wall of the administration rod, the timely outflow of cleaning waste liquid is prevented, and the cleaning effect is influenced.

Disclosure of Invention

Aiming at the technical problem that when the existing anorectal cleaning device is inserted into the anorectal, the cleaning waste liquid can not be discharged in time; the invention provides an anorectal cleaning device and a manufacturing method thereof, which can form a liquid discharge channel on the side wall of a feeding rod when the feeding rod is inserted into an anorectal so as to discharge cleaning waste liquid in time and ensure the cleaning effect.

The invention is realized by the following technical scheme:

in a first aspect, the invention provides an anorectal cleaning device, wherein a drug delivery channel is arranged in the middle of a drug delivery rod, and a plurality of drug delivery holes communicated with the drug delivery channel are formed in the side wall of the drug delivery rod; the drug administration rod is also provided with a plurality of accommodating holes, the accommodating holes extend along the length direction of the drug administration rod, the accommodating holes are blind holes, and the accommodating holes are uniformly distributed around the circumferential direction of the drug administration channel; the side wall of the drug administration rod is provided with a plurality of accommodating grooves, the accommodating grooves extend along the length direction of the drug administration rod, and the bottoms of the accommodating grooves are communicated with the accommodating holes; the containing hole is internally provided with a liquid bag, the liquid bag extends along the length direction of the drug administration rod, and the liquid bag protrudes out of the side wall of the drug administration rod in a bulging state.

The anorectal cleaning device provided by the invention is characterized in that a plurality of accommodating holes are formed in the length direction of the administration rod and around the administration channel, the accommodating holes are blind holes, accommodating grooves communicated with the side walls of the accommodating holes are correspondingly formed in the side walls of the administration rod, and liquid bags are adapted in the accommodating grooves and the accommodating holes; before cleaning, the liquid bag is kept in a contraction state, so that the outer side wall of the liquid bag is flush with the side wall of the administration rod, then the administration rod is inserted into the anorectal of a patient, and the insertion of the administration rod cannot be influenced because the liquid bag does not protrude out of the side wall of the administration rod; when rinsing, pour into the washing liquid medicine through the passageway of dosing for the washing liquid medicine is discharged through the administration hole, thereby rinses, simultaneously, pours into the liquid (normally being the normal saline) of certain pressure into for the liquid bag, makes the liquid bag protrusion dosing stick lateral wall, with the anus fold top that will sticis on dosing stick lateral wall from dosing stick lateral wall, and form drainage channel between two adjacent liquid bags, and then timely discharge washing waste liquid, ensure the cleaning performance.

Therefore, the anorectal cleaning device provided by the invention can form a liquid drainage channel on the side wall of the feeding rod when the feeding rod is inserted into the anorectal so as to discharge cleaning waste liquid in time and ensure the cleaning effect.

In an optional embodiment, in the circumferential direction of the dosing rod, the plurality of dosing holes and the plurality of liquid bags are arranged in a staggered mode at intervals, so that the dosing holes are located in a liquid discharge channel formed by two adjacent liquid bags, cleaning liquid can be conveniently discharged from the dosing holes, and the cleaning effect is further ensured.

In an optional embodiment, the cross-sectional area of the accommodating groove in the width direction is smaller than the aperture of the accommodating hole, and two sides of the notch of the accommodating groove are axially symmetrical with respect to the accommodating hole, so that the liquid sac is clamped in the accommodating groove and the accommodating hole through the groove walls on two sides of the accommodating groove in the length direction, and therefore the liquid sac is convenient to mount and can be prevented from falling out of the accommodating groove.

In an optional embodiment, the notch and the groove bottom of the accommodating groove are rounded so as to avoid the sharp edge on the administration plate from damaging the liquid bag and simultaneously avoid the edge of the notch of the accommodating groove from damaging the anus and the intestine of a patient when the administration rod is inserted.

In an optional embodiment, a mounting ring is arranged at one end of the liquid bag, the mounting ring is fixed outside the end of the liquid bag, and the mounting ring is clamped at the bottom of the accommodating hole, so that the end of the liquid bag is fixed at the bottom of the accommodating hole.

In an optional embodiment, the drug delivery device further comprises a hollow connecting ring, wherein the connecting ring is sleeved on the middle part of the drug delivery rod; the connecting ring is provided with a connecting nozzle at one end opposite to the accommodating hole, one end of the liquid sac far away from the mounting ring is sleeved outside the connecting nozzle, and the connecting nozzle is inserted in the accommodating hole so as to connect all the liquid sacs and fill and draw liquid for all the liquid sacs at the same time.

In an optional embodiment, one end of the connecting ring is provided with a liquid suction nozzle so as to conveniently suck and inject liquid into the connecting ring.

In an alternative embodiment, the material of the sac is silicon rubber to ensure that the sac has sufficient flexibility and meets medical hygiene standards.

In an optional embodiment, the outer sleeve of the administration rod is provided with a protective sleeve made of flexible materials; the protecting sleeve is provided with a long seam facing the containing groove, the long seam extends along the length direction of the medicine feeding rod, and the long seam can be used for extending out of the liquid bag in a bulging state; the protecting sleeve is provided with a through hole right facing the dosing hole. Through the excellent of dosing of lag parcel to avoid dosing when inserting patient's anus the stick direct and the contact of patient's anus fold of dosing, thereby avoid dosing the stick and cause the damage to the patient in inserted process, and set up rectangular seam at the lag lateral wall, can ensure that the liquid bag stretches out under the drum state of expanding, can not cause the influence to the normal work of liquid bag.

In a second aspect, the invention provides a method for manufacturing an anorectal cleaning device, which is used for manufacturing the anorectal cleaning device and comprises the following steps:

s1, obtaining an administration rod with an administration channel and an administration hole;

s2, drilling a plurality of accommodating holes along the length direction of the dosing rod, wherein the accommodating holes are blind holes and are uniformly distributed around the circumferential direction of the dosing channel;

s3, arranging a plurality of accommodating grooves on the side wall of the drug administration rod, and enabling the groove bottoms of the accommodating grooves to be communicated with the accommodating holes;

s4, fixedly sleeving the mounting ring outside the liquid bag;

s5, clamping the mounting ring at the hole bottom of the accommodating hole;

s6, sleeving a hollow connecting ring outside the drug feeding rod, and sleeving one end of the liquid sac far away from the mounting ring on a connecting nozzle at the end part of the connecting ring;

s7, inserting a connector into the outer end of the accommodating hole far away from the mounting ring;

s8, sleeving a protective sleeve made of a flexible material outside the drug administration rod, wherein a long slit is formed in the side wall, opposite to the accommodating hole, of the protective sleeve, and the long slit extends along the length direction of the drug administration rod.

The manufacturing method of the anorectal cleaning device provided by the invention can manufacture the administration device for anorectal department.

The invention has the beneficial effects that:

1. the anorectal cleaning device provided by the invention has the advantages that the plurality of accommodating holes are formed in the length direction of the administration rod and are arranged around the administration channel, the accommodating holes are blind holes, the accommodating grooves communicated with the side walls of the accommodating holes are correspondingly formed in the side walls of the administration rod, and the accommodating grooves and the accommodating holes are internally provided with the liquid bags in a proper fit mode; when rinsing, pour into the washing liquid medicine through the passageway of dosing for the washing liquid medicine is discharged through the administration hole, thereby rinses, simultaneously, pours into the liquid (normally being the normal saline) of certain pressure into for the liquid bag, makes the liquid bag protrusion dosing stick lateral wall, with the anus fold top that will sticis on dosing stick lateral wall from dosing stick lateral wall, and form drainage channel between two adjacent liquid bags, and then timely discharge washing waste liquid, ensure the cleaning performance.

2. The manufacturing method of the anorectal cleaning device provided by the invention can be used for manufacturing the anorectal cleaning device.

Drawings

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

FIG. 1 is a schematic longitudinal sectional structure view of an anorectal cleaning device according to an embodiment of the invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the anorectal cleaning device in a liquid sac swelling state according to the embodiment of the invention;

fig. 4 is an enlarged schematic view of a portion B of fig. 1.

Reference numbers and corresponding part names in the drawings:

10-administration rod, 11-administration channel, 12-administration hole, 13-accommodation hole, 14-accommodation groove, 20-liquid bag, 21-installation ring, 30-connection ring, 31-connection nozzle, 32-liquid suction and injection nozzle, 40-protective sleeve and 41-long slit.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present application, the terms "central," "upper," "lower," "left," "right," "vertical," "longitudinal," "lateral," "horizontal," "inner," "outer," "front," "rear," "top," "bottom," and the like refer to orientations or positional relationships that are conventionally used in the manufacture of the present application, or that are routinely understood by those of ordinary skill in the art, but are merely used to facilitate the description and to simplify the description and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered limiting of the present application.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed", "opened", "mounted", "connected", and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

Example 1

With reference to fig. 1 and 2, the embodiment provides an anorectal cleaning device, wherein a drug delivery channel 11 is arranged in the middle of a drug delivery rod 10, and a plurality of drug delivery holes 12 communicated with the drug delivery channel 11 are formed in the side wall of the drug delivery rod 10; the drug administration rod 10 is further provided with a plurality of accommodating holes 13, the accommodating holes 13 extend along the length direction of the drug administration rod 10, the accommodating holes 13 are blind holes, and the accommodating holes 13 are uniformly distributed around the circumferential direction of the drug administration channel 11; a plurality of accommodating grooves 14 are formed in the side wall of the drug administration rod 10, the accommodating grooves 14 extend along the length direction of the drug administration rod 10, and the bottoms of the accommodating grooves 14 are communicated with the accommodating holes 13; a liquid sac 20 is arranged in the accommodating hole 13, the liquid sac 20 extends along the length direction of the drug administration rod 10, and the liquid sac 20 protrudes out of the side wall of the drug administration rod 10 in a bulging state.

Referring to fig. 2, in particular, one end of the liquid bag 20 is provided with a mounting ring 21, the mounting ring 21 is fixed outside the end of the liquid bag 20, and the mounting ring 21 is clamped at the bottom of the receiving hole 13, so as to fix the end of the liquid bag 20 at the bottom of the receiving hole 13.

For the sac 20, the sac 20 is made of silicon rubber to ensure that the sac 20 has sufficient flexibility and that the sac 20 meets medical hygiene standards.

In addition, referring to fig. 3, in the circumferential direction of the administration rod 10, the administration holes 12 and the liquid bags 20 are alternately arranged at intervals, so that the administration holes 12 are positioned in the liquid discharge channel formed by two adjacent liquid bags 20, the cleaning liquid is conveniently discharged from the administration holes 12, and the cleaning effect is ensured.

With reference to fig. 3, in this embodiment, the cross-sectional area of the receiving groove 14 in the width direction is smaller than the aperture of the receiving hole 13, and two sides of the notch of the receiving groove 14 are symmetrical with respect to the axial direction of the receiving hole 13, so that the liquid bag 20 is clamped between the receiving groove 14 and the receiving hole 13 by the groove walls on two sides of the receiving groove 14 in the length direction, which not only facilitates the installation of the liquid bag 20, but also prevents the liquid bag 20 from falling out of the receiving groove 14.

Preferably, the notch and the groove bottom of holding tank 14 are all rounded to avoid sharp edge damage sac 20 on the administration plate, and avoid simultaneously that the edge of the notch of holding tank 14 causes damage to the anus and intestine of the patient when medicine feeding rod 10 is inserted.

With reference to fig. 4, in order to facilitate connection of each liquid sac 20, in this embodiment, a hollow connection ring 30 is further included, and the connection ring 30 is sleeved on the middle part of the administration rod 10; the connecting ring 30 is provided with a connecting nozzle 31 at one end facing the accommodating hole 13, one end of the liquid bag 20 far away from the mounting ring 21 is sleeved outside the connecting nozzle 31, and the connecting nozzle 31 is inserted in the accommodating hole 13, so that all the liquid bags 20 can be connected and all the liquid bags 20 can be filled and pumped simultaneously.

On this basis, one end of the connecting ring 30 is provided with a liquid suction nozzle 32 so as to conveniently suck liquid into the connecting ring 30.

Before cleaning, the anorectal cleaning device provided by the embodiment keeps the liquid bag 20 in a contracted state, so that the outer side wall of the liquid bag 20 is flush with the side wall of the administration rod 10, then the administration rod 10 is inserted into the anorectal of a patient, and the insertion of the administration rod 10 cannot be influenced because the liquid bag 20 does not protrude out of the side wall of the administration rod 10; when cleaning, the cleaning liquid medicine is injected through the administration channel 11, so that the cleaning liquid medicine is discharged through the administration hole 12, thereby cleaning is performed, meanwhile, the liquid bag 20 is injected with liquid (generally physiological saline) with certain pressure, so that the liquid bag 20 protrudes out of the side wall of the administration rod 10, the anus plica tightly pressed on the side wall of the administration rod 10 is pushed away from the side wall of the administration rod 10, a liquid drainage channel is formed between two adjacent liquid bags 20, and then cleaning waste liquid is timely discharged, thereby ensuring the cleaning effect.

In summary, the anorectal cleaning device provided by this embodiment can form a liquid discharge channel on the side wall of the feeding rod when the feeding rod 10 is inserted into the anorectal, so as to discharge the cleaning waste liquid in time and ensure the cleaning effect.

Example 2

The embodiment provides an anorectal cleaning device, based on the structure and principle described in embodiment 1, a protective sleeve 40 made of a flexible material is sleeved outside the administration rod 10; the protecting sleeve 40 is provided with a long seam 41 facing the accommodating groove 14, the long seam extends along the length direction of the administration rod 10, and the long seam 41 is used for extending out of the liquid bag 20 in a swelling state; the protecting sleeve 40 is provided with a through hole right facing the medicine feeding hole 12.

Likewise, the material of lag 40 is also silica gel, and lag 40 is in the shrink state when liquid bag 20 does not swell, and rectangular seam 41 is also in the shrink state this moment to shelter from the notch of holding tank 14 through lag 40.

It can be understood that before use, the protecting sleeve 40 is coated with lubricant, and the protecting sleeve 40 wraps the administration rod 10, so that when the administration rod 10 is inserted into the anus of a patient, the administration rod 10 is prevented from directly contacting with the anal plica of the patient, and the administration rod 10 is prevented from damaging the patient in the insertion process, and the long slits 41 are arranged on the side wall of the protecting sleeve 40, so that the liquid bag 20 can be ensured to extend out in a swelling state, and the normal work of the liquid bag 20 cannot be affected.

Example 3

The embodiment provides a manufacturing method of an anorectal cleaning device, which is used for manufacturing the anorectal cleaning device described in embodiment 2 and comprises the following steps:

s1, obtaining the administration rod 10 with the administration channel 11 and the administration hole 12.

S2, drilling a plurality of accommodating holes 13 along the length direction of the drug administration rod 10, wherein the accommodating holes 13 are blind holes, and the accommodating holes 13 are uniformly distributed around the circumferential direction of the drug administration channel 11.

S3, providing a plurality of housing grooves 14 on the side wall of the drug delivery stick 10, and communicating the bottom of the housing grooves 14 with the accommodation hole 13.

It should be noted that the center line of the receiving groove 14 is parallel to the axis of the receiving hole 13, and the width of the notch of the receiving groove 14 is smaller than the radius of the receiving hole 13.

S4, the mounting ring 21 is fixedly sleeved outside the liquid sac 20.

To ensure the stability of the attachment of the mounting ring 21 to the sac 20, the mounting ring 21 has an inner diameter smaller than an outer diameter of the sac 20, and the mounting ring 21 is bonded to the outside of the sac 20.

S5, the mounting ring 21 is clamped at the bottom of the receiving hole 13.

Specifically, the mounting ring 21 is extended into the receiving hole 13 from the end of the receiving hole 13, and then the tool is used to act on the side wall of the mounting ring 21 from the receiving groove 14, for example, a needle tip is pressed on the side wall of the mounting ring 21, and the mounting ring 21 is driven to move along the length direction of the receiving groove 14 while the liquid bag 20 presses the mounting ring 21 down to the bottom of the receiving hole 13.

The mounting ring 21 is fixed to the bottom of the receiving hole 13, and the mounting ring 21 is mounted to the bottom of the receiving hole 13 by interference fit, adhesion, screwing, or the like.

S6, the hollow connecting ring 30 is sleeved outside the administration rod 10, and one end of the liquid sac 20 far away from the mounting ring 21 is sleeved on the connector 31 at the end part of the connecting ring 30.

S7, inserting connector 31 into the outer end of receiving hole 13 remote from mounting ring 21.

S8, sleeving a protective sleeve 40 made of a flexible material outside the drug administration rod 10, wherein a long slit 41 is arranged on the side wall, facing the accommodating hole 13, of the protective sleeve 40, and the long slit 41 extends along the length direction of the drug administration rod 10.

The method for manufacturing the anorectal cleaning device provided by the embodiment can be used for manufacturing the anorectal cleaning device.

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 (10)

1. The anorectal cleaning device comprises an administration rod (10), wherein an administration channel (11) is arranged in the middle of the administration rod (10), and the anorectal cleaning device is characterized in that a plurality of administration holes (12) communicated with the administration channel (11) are formed in the side wall of the administration rod (10);

the drug administration rod (10) is further provided with a plurality of accommodating holes (13), the accommodating holes (13) extend along the length direction of the drug administration rod (10), the accommodating holes (13) are blind holes, and the accommodating holes (13) are uniformly distributed around the circumferential direction of the drug administration channel (11);

the side wall of the medicine administration rod (10) is provided with a plurality of accommodating grooves (14), the accommodating grooves (14) extend along the length direction of the medicine administration rod (10), and the bottoms of the accommodating grooves (14) are communicated with the accommodating holes (13);

be equipped with liquid bag (20) in accommodation hole (13), liquid bag (20) extend along dosing stick (10) length direction, and liquid bag (20) are protruding under the swelling state dosing stick (10) lateral wall.

2. The anorectal cleaning device of claim 1 wherein a plurality of the administration holes (12) and a plurality of the liquid sacs (20) are arranged alternately in the circumferential direction of the administration rod (10).

3. The anorectal cleaning device of claim 1 wherein the cross section area of the width direction of the holding groove (14) is smaller than the hole diameter of the accommodating hole (13), and the two sides of the notch of the holding groove (14) are symmetrical with respect to the axial direction of the accommodating hole (13).

4. The anorectal cleaning device of claim 1 wherein the notch and the groove bottom of the holding groove (14) are rounded.

5. The anorectal cleaning device of claim 1 wherein one end of the liquid bag (20) is provided with a mounting ring (21), the mounting ring (21) is fixed outside the end part of the liquid bag (20), and the mounting ring (21) is clamped at the bottom of the accommodating hole (13).

6. The anorectal cleaning device of claim 5 further comprising a hollow connecting ring (30), wherein the connecting ring (30) is sleeved on the middle part of the drug delivery rod (10);

the connecting ring (30) is just right the one end of accommodation hole (13) is equipped with connection mouth (31), vacuole (20) are kept away from the one end of collar (21) cup joints outside connection mouth (31), just connection mouth (31) are inserted and are established in accommodation hole (13).

7. The anorectal cleaning device according to claim 6 wherein one end of the connecting ring (30) is provided with a liquid suction nozzle (32).

8. The anorectal cleaning device according to any one of claims 1 to 7 wherein the liquid sac (20) is made of silicone rubber.

9. Anorectal cleaning device according to claim 8 wherein said administration rod (10) is externally provided with a protective sheath (40) made of flexible material;

the protective sleeve (40) is provided with a long seam (41) opposite to the accommodating groove (14), the long seam extends along the length direction of the administration rod (10), and the long seam (41) can be used for extending out of the liquid bag (20) in a swelling state;

the protecting sleeve (40) is provided with a through hole right facing the medicine feeding hole (12).

10. A method for manufacturing an anorectal cleaning device according to any one of claims 1 to 9, wherein the method comprises the following steps:

s1, obtaining an administration rod (10) with an administration channel (11) and an administration hole (12);

s2, drilling a plurality of accommodating holes (13) along the length direction of the drug administration rod (10), wherein the accommodating holes (13) are blind holes, and the accommodating holes (13) are uniformly distributed around the circumferential direction of the drug administration channel (11);

s3, arranging a plurality of accommodating grooves (14) on the side wall of the medicine administration rod (10), and enabling the groove bottoms of the accommodating grooves (14) to be communicated with the accommodating holes (13);

s4, fixedly sleeving the mounting ring (21) outside the liquid bag (20);

s5, clamping the mounting ring (21) at the hole bottom of the accommodating hole (13);

s6, sleeving a hollow connecting ring (30) outside the drug administration rod (10), and sleeving one end, far away from the mounting ring (21), of the liquid bag (20) on a connecting nozzle (31) at the end part of the connecting ring (30);

s7, inserting the connecting nozzle (31) into the outer end of the accommodating hole (13) far away from the mounting ring (21);

s8, sleeving a protective sleeve (40) made of a flexible material outside the drug administration rod (10), wherein a long slit (41) is formed in the side wall, facing the accommodating hole (13), of the protective sleeve (40), and the long slit (41) extends along the length direction of the drug administration rod (10).

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