WO2015111900A1

WO2015111900A1 - Specimen collection swap using multi-component injection molding and manufacturing method thereof

Info

Publication number: WO2015111900A1
Application number: PCT/KR2015/000584
Authority: WO
Inventors: 백계승; 이숙경
Original assignee: 노블바이오
Priority date: 2014-01-22
Filing date: 2015-01-20
Publication date: 2015-07-30
Also published as: KR20150087656A

Abstract

The present invention relates to a specimen collection swap using multi-component injection molding, and a manufacturing method thereof. A specimen collection swap manufacturing method using multi-component injection molding, according to an embodiment of the present invention, for manufacturing a specimen collection swap that collects a specimen for the execution of various tests comprises the steps of: selecting injection molding materials of a stick that a user of the swap grasps and a head for collecting a specimen; injection-molding the stick first by injecting a raw material, which is selected as the material of the stick, according to the shape of the stick with the head on a side thereof in a state where the user grasps the stick; injection-molding the head secondarily by injecting a raw material capable of collecting a specimen into the side of the primarily molded stick such that the head is integrally formed on the side of the stick; and completing the swap by extracting the stick and the head after integrally injection-molding the head with the stick.

Description

Specimen sampling swab using multicomponent injection molding method and its manufacturing method

The present invention relates to a sample sampling swab using a multicomponent injection molding method and a method for manufacturing the swab, and more particularly, to a stick portion of a swab by injection using a multicomponent injection molding method for a swab used to take a biological sample. By integrating and manufacturing the head part with different materials by injection molding, it improves the adhesion of the head part, and the head part is made of synthetic resin material that can be injected with antimicrobial effect to suppress the generation of particles and harmful bacteria to improve hygiene performance. The present invention relates to a specimen collection swab using a multicomponent injection molding method and a method of manufacturing the same.

In general, a swab is a tool that collects a sample of blood, saliva, or stools of a subject in order to perform various tests according to the subject's examination. That is, swabs are used to collect mucus or tissue from human nose, mouth, ear, and the like, and are also used to collect samples for diagnosing pathogens or viruses in hospitals.

Typically, a swab is commonly called a cotton swab, and is provided with a head for collecting a cotton sample at one end of a stick in a wood or synthetic resin material so as to be absorbed by the cotton head at the time of sample collection. In other words, the head of the cotton swab is made by wrapping cotton, nylon, polyester, etc., and the adhesive is applied to the end of the stick, and then the nylon particles are applied up, down, left and right. It is divided into locking method by sticking.

As described above, since the head portion to be sampled is made of cotton or nylon, it is contaminated with the mucous membranes of the nose and the oral mucosa, which are sampled by particles generated from cotton or nilo itself, and thus are badly sanitary. There is a problem that can have.

In addition, the surface or nylon material particles are generated has a problem that the adhesion performance is reduced to adhere to the stick in the form of cotton, short life as it is easily removed by an external impact.

Thus, in recent years, a synthetic resin having absorption performance while suppressing particle generation has been developed, and a technology for producing a swab by adhering to a stick has been developed and used.

In this method of manufacturing a swap of the prior art, the stick portion and the head portion are manufactured separately, and an adhesive is applied to the stick by the head mounting portion, and then the head portion is inserted and bonded to perform the manufacture.

However, in the prior art swap, the stick and the head are manufactured separately, followed by the bonding operation using an adhesive, and the stick and the head are each manufactured and bonded to a bonding process, whereby the bonding operation is complicated, and the time is complicated. There was a delayed issue.

In addition, there is a problem in that the hygiene performance is deteriorated as the contamination of the head portion is increased while the contaminants are sucked into the stick for adhesion in the state of holding the head, which is absorbed during the bonding process, for adhesion.

In the conventional method of manufacturing a swap, when a head of an absorbed material is bonded to a stick, a portion of the adhesive material is absorbed by the head and the adhesive material is cured in the head, thereby degrading the absorption performance of the head. There was a problem that the defect rate is increased by contaminating itself.

In addition, the swab prepared in the prior art has the adhesive material between the head and the stick, and after the sample is taken, the adhesive material affects various reagents or various tests that react to the sample depending on the type of test. Therefore, there was a problem that the reliability of the inspection is lowered.

The present invention has been invented to improve the above problems, the problem to be solved by the present invention, the head portion having the absorbent head portion and the stick portion for supporting the head portion so that the sample is taken to each of the injection-molded material Provides a sample collection swap using the multi-component injection molding method and a method of manufacturing the same, which can shorten the manufacturing process and reduce the manufacturing time by injection molding using the multi-component injection molding method so that the part and the stick part are integrated. It is.

Technical problem of the present invention is not limited to those mentioned above, another technical problem that is not mentioned will be clearly understood by those skilled in the art from the following description.

In order to achieve the above object, the sampling sampling swab manufacturing method using the multi-component injection molding method according to an embodiment of the present invention is a method for producing a sampling sampling swab to collect a sample to perform a variety of tests, the swap Selecting a stick, which is held by the user, and a head from which the sample is collected, as a material capable of injection, respectively, according to the shape of the stick provided at one side of the head in the state of holding by the user; Injecting the raw material into the first injection molding step, and injecting the raw material of a material from which a sample can be collected to one side into the first molded stick to be integrally formed on one side of the stick to inject the head into the secondary Molding and ejecting the head integrally with the stick, and then taking out to complete the swap. In that it comprises the features.

In addition, after selecting each of the materials, the step of injecting the raw material selected as the stick material into the first mold provided with the stick shape therein may be performed by injection molding the stick first, and molding the stick The head material is selected as the shape of the shape of the head portion provided in the state in which the stick is ejected from the first mold and the stick is injected into the second mold having the shape of the head on one side. Injecting the raw material is characterized in that the secondary injection molding the head so as to be integral with the stick.

And, after selecting each of the materials, and having a body mold provided therein the inside of the shape of the extension portion connecting the handle portion gripped to the other side of the stick by the molding and the core portion inserted into the head to one side, Install the core mold having the shape of the core part inside by the molding on the one side so as to be replaced by a slide to inject the raw material selected as the stick material into the body mold and the core mold by injection molding the stick first And the core mold is separated from the body mold after molding the stick, and when the core mold is integrated into the core mold position, the head integrated with the core part in the state where the core part is inserted therein The head mold provided with the shape provided is replaced by the slide to the body mold to the Injected into the mold to the de head mold replacement a material selected from a material to the head is characterized in that to perform the step of injection molding the head in the secondary.

In addition, the sample collection swab using the multi-component injection molding method according to an embodiment of the present invention is characterized in that it is produced by the sample sampling swab manufacturing method using the above-mentioned multi-component injection molding method.

In addition, the swap is a stick provided with a synthetic resin material, including a handle portion which is held by the user collecting the sample, an extension portion extending to one side from the handle portion, the core portion protruding from one end of the extension portion, And a head which is disposed on one side of the stick, the injection molded head being formed integrally with the outer circumference of the core part and the core accommodating part in which the core part is accommodated. It can be characterized by.

In addition, in the form of a groove in which the cross-sectional area is reduced to at least one or more of the stick, each of the extension grooves may be further formed, so that the specimen may be easily cut after sample collection.

And, the cover protrusion protruding in the outer circumferential direction in a position extending from the handle portion to the extension portion, and is arranged to fit in the other direction from one side of the stick, the head and the inside therein when inserted in one direction of the stick It has a cover space to accommodate the extension, the other end is supported is installed on the cover projections, characterized in that it may further include a protective cover provided to be detached to one side in use.

Specific details of other embodiments are included in the detailed description and the drawings.

According to the sampling sampling swab using the multi-component injection molding method according to an embodiment of the present invention and a method for manufacturing the same, the multi-component injection molding method using a head material for collecting a sample and a stick part to which the head is inserted and supported by different materials By using the integrally manufactured injection molding, there is no other bonding process, so that the manufacturing process is reduced and the manufacturing time can be shortened.

In addition, it is possible to inject the head portion to collect the sample, and it is made of a synthetic resin material that has absorption ability, and molding injection is possible while controlling the hardness according to the type and shape of the sample to be collected. In addition, by manufacturing the head portion according to the use according to the type and shape of the specimen, it is possible to provide a swap suitable for a variety of specimens to expand the versatility.

In addition, the head portion for collecting the sample and the stick portion combined with the head portion are firmly fixed as compared with the adhesion by using the multi-component injection molding method to prevent them from being separated by external force, and the adhesive material It does not exist, which can improve sanitary performance by minimizing contamination factors.

In addition, as the synthetic resin material that can be injected into the head portion to collect the sample can be added to the additional performance, such as antimicrobial performance can be produced a swap having a variety of functionalities can improve the functionality of the swap. .

The effects of the present invention are not limited to the above-mentioned effects, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

1 is a process chart showing a specimen sampling swab manufacturing method using the multi-component injection molding method according to an embodiment of the present invention.

Figure 2 is an exploded perspective view showing a first mold used in the primary molding step of the specimen sampling swab manufacturing method using the multi-component injection molding method of Figure 1;

Figure 3 is a perspective view showing a stick formed in the primary molding step of the specimen sampling swab manufacturing method using the multi-component injection molding method of FIG.

Figure 4 is an exploded perspective view showing a second mold used in the secondary molding step of the specimen sampling swab manufacturing method using the multi-component injection molding method of Figure 1;

5 is a use state diagram showing a state in which a stick formed in the first molding step is placed in the second mold of the specimen sampling swab manufacturing method using the multi-component injection molding method of FIG.

FIG. 6 is an exploded perspective view illustrating a body mold and a core mold in a primary forming step according to another embodiment of a method of manufacturing a specimen collection swab using the multicomponent injection molding method of FIG. 1;

7 is a use state diagram showing a state in which the body mold and the core mold of the primary molding step of the specimen sampling swab manufacturing method using the multi-component injection molding method of FIG.

FIG. 8 is an exploded perspective view illustrating a head mold and a body mold to be replaced after the first molding step of the method of manufacturing a specimen collection swab using the multicomponent injection molding method of FIG. 7;

FIG. 9 is a use state diagram illustrating a state in which a body mold and a head mold of a secondary molding step are combined with each other to form a head after a primary molding step according to another embodiment of a method for manufacturing a sample swap using the multicomponent injection molding method of FIG. 6; .

10 is a perspective view showing a sample collection swap using a multi-component injection molding method prepared according to the sample sampling swap using the multi-component injection molding method of FIG.

FIG. 11 is an exploded view illustrating a state in which a protective cover is installed on a specimen collection swab using the multicomponent injection molding method of FIG. 10; FIG.

100: swap 110: stick

111: handle portion 112: extension portion

113: core 114: incision groove

115: cover protrusion 120: head

121: core housing 130: protective cover

131: protected space 210: the first mold

220: second mold 310: body mold

320: core mold 330: head mold

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings such that those skilled in the art may easily implement the present invention.

In describing the embodiments, descriptions of technical contents which are well known in the technical field to which the present invention belongs and are not directly related to the present invention will be omitted. This is to more clearly communicate without obscure the subject matter of the present invention by omitting unnecessary description.

For the same reason, in the accompanying drawings, some components are exaggerated, omitted or schematically illustrated. In addition, the size of each component does not fully reflect the actual size. The same or corresponding components in each drawing are given the same reference numerals.

Hereinafter, the present invention will be described with reference to the drawings for explaining a method of preparing a specimen sampling swab using the multi-component injection molding method according to embodiments of the present invention.

1 is a process chart showing a sample sampling swab manufacturing method using the multi-component injection molding method according to an embodiment of the present invention, Figure 2 is a primary molding step of the sample sampling swab manufacturing method using the multi-component injection molding method of FIG. 3 is an exploded perspective view illustrating a first mold used in FIG. 3, FIG. 3 is a perspective view illustrating a stick formed in a primary molding step of a specimen collecting swab manufacturing method using the multicomponent injection molding method of FIG. 2, and FIG. 5 is an exploded perspective view showing a second mold used in the secondary molding step of the method of manufacturing a sample collection swab using the component injection molding method, and FIG. 5 is a second mold of the sample collection swap manufacturing method using the multicomponent injection molding method of FIG. It is a use state diagram which shows the state which the stick shape | molded in the primary shaping | molding step is settled.

Referring to Figures 1 to 5 sample sampling swab manufacturing method using a multi-component injection molding method according to an embodiment of the present invention is a swab 100 for collecting samples such as saliva and blood of the subject for various tests It relates to a method for producing using the component injection molding method.

Specimen sampling swab manufacturing method using the above-described multi-component injection molding method is a material selection step (S10), the primary injection molding step (S20) to select the material of the stick 110 and the head 120 including the swab 100 , Secondary injection molding step S30, and a swap completion step S40.

The material selection step (S10) is a step of selecting the stick 110 and the head 120 from which the sample is collected by the user included in the swap 100 as a material capable of injection.

That is, in order to manufacture the swap 100 by the multi-component injection molding method, injection of the stick 110 and the head 120 provided on one side of the stick 110 held by the user constituting the swap 100 is performed, respectively. Select the possible materials.

In other words, in order to collect a sample, the stick 110 supporting the head 120 and the head 120 directly collecting the sample are selected as appropriate materials for each function while the user grips the sample.

Here, the stick 110 is provided to support the head 120 is collected by the user gripping the sample in the form of a bag, the sample. The stick 110 may be any injection-molded synthetic resin material, preferably, thermoplastic polyester elastomer (TPC-ET), high impact polystyrene (HIPS), polypropylene (PP), polycarbonate (PC), acrylonitrile-styrene copolymer (ABS), polyethylene (PE), nylon (Nylon), and the like or a combination thereof may be used, but this is only one example, and the material It is obvious to those skilled in the art that this is not limited.

In addition, the head 120 is provided on one side of the stick 110 to directly contact the human body at the time of sample collection or to collect the sample inside the oral cavity or nasal cavity. Possible materials are used. Preferably, a type of elastomer such as silicone, ethylene vinyl acetate (EVA), and special material for molding injection, which is harmless to the human body, may be used, but this is only one example, and the material is not limited thereto. It will be apparent to those skilled in the art that they do not.

In the primary injection molding step S20, the raw material selected as the material of the stick 110 is injected according to the shape of the stick 110 provided at one side of the head 120 in a state of being held by the user, and the stick 110 is first. It is a step of injection molding.

That is, after selecting the material of the stick 110 and the head 120 in the above-described material selection step (S10), respectively, the handle portion 111, the extension portion 112 extended to one side of the handle portion 111 to be gripped by the user. ), And the raw material selected as the stick 110 material to the first mold 210 provided therein by the shape of the core portion 113 into which the head 120 is inserted into one side of the extension part 112. Injection is performed to injection molding the stick 110 first.

In other words, a composite having a first mold 210 for molding the shape in which the head 120 is inserted and supported in the state of being held by a user by injection, and formed of a stick 110 on the first mold 210. First, the stick 110 is injection molded by injecting a resin raw material.

Secondary injection molding step (S30) is injection molding the head 120 to the secondary by injecting the raw material of the material that can be sampled to one side so as to be integrally formed on one side of the stick (110) to one side. It's a step.

That is, after forming the stick 110 in the first injection molding step (S20), the second mold 220 having a shape in which the stick 120 is taken out from the first mold 210 and the stick is placed therein is provided so that the head 120 is provided on one side. Inject the raw material selected as the material of the head 120 into the core portion 113 provided with the head 120 in the state in which the stick 110 is injected into the head 110 to secondary the head 120 to be integrated with the stick 110. ) Injection molding.

In other words, when the mold 110 is ejected from the first mold 210 and then molded, the mold 110 has a shape of the head 120 formed in the core portion 113 in a state where the stick 110 is placed therein. 2 Molded in the state in which the stick 110 injected into the mold 220 is inserted and placed, and selected as the material of the head 120 as the shape of the head 120 in which the core portion 113 of the second mold 220 is inserted. The injected raw material is injected to integrally mold the head 120 to the core portion 113.

The swap completion step S40 is a step of taking out the integral stick 110 and the head 120 that are injection molded in the secondary injection molding step S30 to complete the swap 100.

FIG. 6 is an exploded perspective view illustrating a body mold and a core mold in a primary molding step according to another embodiment of a method of manufacturing a specimen collection swab using the multicomponent injection molding method of FIG. 1, and FIG. 7 is a multicomponent injection molding method of FIG. 6. Fig. 8 is a use state diagram showing a state in which a body mold and a core mold are molded together in a primary molding step of a sample collecting swab manufacturing method using a sample, and FIG. 8 is a sample sampling swab manufacturing method using the multicomponent injection molding method of FIG. 9 is an exploded perspective view illustrating a head mold and a body mold to be replaced after completing the primary molding step, and FIG. 9 is a secondary molding step after the primary molding step according to another embodiment of the specimen sampling method using the multicomponent injection molding method of FIG. 6. Is a state diagram showing the state in which the body mold and the head mold are molded to form the head.

6 to 9 relate to a method for producing a specimen sampling swab using a multi-component injection molding method according to another embodiment of the present invention. Here, the multi-component injection molding method according to another embodiment of the present invention is a material selection step (S10), and a swap completion step (S40) in the sample sampling swap manufacturing method using the multi-component injection molding method shown in Figs. Are the same, only the difference between the primary injection molding step S20 and the secondary injection molding step S30 will be described.

First, in the primary injection molding step (S20), after selecting the material of the stick 110 and the head 120 in the above-described material selection step (S10), respectively, the handle portion gripped to the other side of the stick 110 by the molding It is provided with a body mold 310 provided therein the shape of the extension portion 112 connecting the 111 and the core portion 113 inserted into the head 120 to one side.

In addition, the core die 320 having the shape of the core portion 113 provided therein by the molding to one side of the body mold 310 so as to be replaced by a slide.

As described above, the core mold 320 is installed in the body mold 310 to inject the raw material selected as the material of the stick 110 in the state of being molded, respectively, to firstly perform the injection molding of the stick 110 by primary injection molding step. Perform (S20).

In the secondary injection molding step S30, after the stick 110 is molded, the core mold 320 is separated from the body mold 310, and when the core body is molded at the core mold 320, the core portion 113 is formed therein. In the inserted state, the head mold 330 having a shape in which the head 120 integrated with the core portion 113 is provided is replaced and installed on one side of the body mold 310 by a slide.

Head mold 330 to integrally mold the head 120 by injection into the core portion 113 located inside the head mold 330 in a state in which the head mold 330 is installed on one side of the body mold 310. ) Is injected into the raw material selected as the head material to secondary injection molding the head 120 to perform a secondary injection molding step (S30).

After the above-described secondary injection molding step (S30) through the swap completion step (S40) to complete the manufacture of the swap (100).

FIG. 10 is a perspective view illustrating a sample sampling swab using the multicomponent injection molding method manufactured according to the method of manufacturing a sample extraction swab using the multicomponent injection molding method of FIG. 1, and FIG. 11 is a view illustrating the sample extraction swab using the multicomponent injection molding method of FIG. 10. An exploded view showing a state where a protective cover is installed on a sampling swab.

Referring to FIGS. 10 and 11, the specimen collection swab 100 using the multicomponent injection molding method according to an embodiment of the present invention is a specimen collection swab manufacturing method using the multicomponent injection molding method according to the embodiments described above. Is prepared.

That is, the specimen collection swab 100 using the multi-component injection molding method according to an embodiment of the present invention is a stick 110 and the head 120 according to the multi-component injection molding method according to the manufacturing method of the above-described embodiments It is provided integrally by injection.

The sample collection swab 100 using the multi-component injection molding method described above includes a stick 110, a head 120, and a protective cover 130 held by a user.

Stick 110 is the handle portion 111 is held by the user collecting the sample, the extension portion 112 extending to one side from the handle portion 111, and the core portion 113 protruding at one end of the extension portion 112 It is provided with a synthetic resin material that is injected, including). That is, the stick 110 is made of a synthetic resin material which is injected to apply the above-described manufacturing method, and the extension part 112 is advantageous to the access of the specimen in a state in which the user grips the handle 111 when the specimen is collected. It is provided with a core portion 113 is extended to the head 120 is inserted and supported for collecting the specimen.

In addition, the stick 110 may be formed in each of the incision groove 114 in the extension portion 112 in the form of a groove in which the cross-sectional area is reduced to at least one or more, so that the user is pressed to both sides at the incision groove 114 position after the sample collection Can be easily cut. The incision groove 114 may be formed in the shape of a groove to enable cutting according to use in order to perform storage and use in various forms according to inspection or analysis in a state in which a sample is collected on the head 120.

The stick 110 is provided with a cover protrusion 115 protruding in the outer circumferential direction at a position extending from the handle portion 111 to the extension portion 112. The cover protrusion 115 is provided in the form of a protrusion supporting the protection cover 130 to prevent the protective cover 130 from being moved to the handle portion 111.

The head 120 is disposed on one side of the stick 110, the synthetic resin material from which the sample is collected is integrally provided on the outer circumference of the core portion 113, the core portion 113 is accommodated therein The core receiving part 121 is provided to be injection molded to form. Head 120 is a material that can be ejected while being sampled from the stick 110 and other materials in order to apply the above-described manufacturing method while the core portion 113 is accommodated in the core portion 121 inside the core portion ( 113 is provided by injection molding integrally.

The protective cover 130 is disposed to be fitted in one direction of the stick 110 in the other direction, and the cover space 131 in which the head 120 and the extension 112 are accommodated when inserted in one direction of the stick 110. ), The other end is supported and installed on the cover protrusion 115, it is provided to be detached to one side in use.

That is, the protective cover 130 is provided in a hollow tubular shape to have a cover space 131 therein, and moves from one side to the other side of the stick 110 before and after sample collection, thereby moving the head 120 and the extension portion ( The other end of the cover protrusion 115 is supported while the 112 is inserted into the cover space 131 to minimize the contamination of the head 120 by an external material and to prevent cutting or damage by external force. In addition, it is easy to store and carry, thereby improving the convenience of use.

In addition, the protective cover 130 is provided to be easily detachable in a state held by the user so that the sample is collected in a removed state when collecting the sample, and after mounting the sample again to collect the sample head 120 By protecting, the sample can be prevented from being contaminated.

On the other hand, in the present specification and drawings have been described with respect to preferred embodiments of the present invention, although specific terms are used, it is merely used in a general sense to easily explain the technical details of the present invention and to help the understanding of the invention, It is not intended to limit the scope of the invention. It will be apparent to those skilled in the art that other modifications based on the technical idea of the present invention can be carried out in addition to the embodiments disclosed herein.

Claims

In the method of manufacturing a sampling swab for collecting a sample to perform various inspections,

Selecting a stick to be gripped by the user and a head from which the sample is collected as a material capable of injection, respectively;

Injecting the raw material selected as the material of the stick according to the shape of the stick provided at one side of the head in a state in which the user is gripped, and firstly injection molding the stick;

Injection molding the head secondary by injecting a raw material of a material that can be sampled into one side of the stick to be integrally formed on one side of the stick to one side;

And extracting the head after the injection molding is integrally performed with the stick to complete the swap.
The method of claim 1,

After selecting each of the materials, injecting the raw material selected as the stick material into a first mold having the stick shape therein, and firstly injection molding the stick;

After the stick is molded, the head is provided in the state in which the stick is ejected from the first mold and the stick is injected into the second mold having the shape of the head disposed on one side. Injecting the raw material selected as the head material to the injection-molding method using a multi-component injection molding method, characterized in that for performing the injection molding the head secondary to be integral with the stick.
The method of claim 1,

After selecting the respective materials and having a body mold provided therein the shape of the handle portion gripped to the other side of the stick by the molding and the extension portion connecting the core portion inserted into the head to one side, to one side of the body mold Installing a core mold having a shape of the core part inside by a molding so as to be replaced by a slide, and injecting the selected material as the stick material into the body mold and the core mold by injection molding the stick first; Then,

After the stick is molded, the core mold is separated from the body mold, and when molded at the core mold position, a head mold having a shape in which the head integrated with the core body is provided in the state where the core body is inserted therein. And replacing and installing the raw material selected as the head material into the head mold by installing a slide into the body mold by a slide to perform injection molding of the head secondaryly.
Specimen sampling swab using the multi-component injection molding method, characterized in that the manufacturing method of claim 1.
The method of claim 4, wherein

The swap is,

A stick provided with a synthetic resin material, including a handle part which is held by the user who collects the specimen, an extension part extending from one side of the handle part, and a core part protruding from one end of the extension part;

It is disposed on one side of the stick, and the injection-molded synthetic resin material is provided integrally on the outer periphery of the core portion and includes an injection-molded head to form a core receiving portion for receiving the core portion therein Specimen sampling swab using multicomponent injection molding method, characterized in that.
The method of claim 4, wherein

Sample collection swap using a multi-component injection molding method characterized in that the groove is reduced in cross-sectional area to at least one or more of the stick to form an incision groove in each of the extension portion can be easily cut after sample collection.
The method of claim 4, wherein

A cover protrusion protruding in the outer circumferential direction at a position extending from the handle portion to the extension portion, and

It is disposed to be fitted in the other direction from one side of the stick, has a cover space in which the head and the extension is accommodated therein when inserted in one direction of the stick, the other end is installed supported by the cover protrusion, Specimen sampling swab using a multi-component injection molding method, characterized in that it further comprises a protective cover provided to detach to one side.