CN211723270U

CN211723270U - Novel endocervical collector

Info

Publication number: CN211723270U
Application number: CN202020205047.2U
Authority: CN
Inventors: 杨永彬; 吴丹; 邬素芳; 汪世琼; 刘庆友
Original assignee: Jiangsu Kangbo Medical Devices Co ltd
Current assignee: Changzhou Zhibo Medical Equipment Co ltd
Priority date: 2020-02-25
Filing date: 2020-02-25
Publication date: 2020-10-23
Anticipated expiration: 2030-02-25

Abstract

The utility model discloses a novel endocervical collector, the electric iron comprises a handle, the regulating wheel, the sleeve pipe, scratch the head and adjust the pole, scratch the rear end fixed mounting of scraping the head in sheathed tube front end, sheathed tube rear end fixed mounting is on the handle, it sets up in the cover intraductally to adjust the pole, and the front end of adjusting the pole is connected with scratching the front end of scraping the head, the rear end of adjusting the pole is connected with the regulating wheel screw-thread fit who locates on the handle, the regulating wheel rotates and installs in the installation of handle, adjust the pole rear end and pass through threaded rod and the screw hole screw-thread fit on the regulating wheel, make to adjust the pole backward movement through rotating the regulating wheel and make scratch the head and expand and. This endocervix collector utilizes the screw-thread fit mode of regulating wheel and threaded rod, realizes the continuity control to regulating rod back-and-forth movement distance through rotating the regulating wheel, and then realizes scraping the continuity regulation of the head state of expandeing of scratching, and structural design is simple ingenious, and the flexible operation is convenient, makes the sampling operation of cervix, endometrium or tissue more accurate.

Description

Novel endocervical collector

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to a novel endocervix collector for gathering uterus cervix, endometrium and tissue.

Background

In gynecological clinical, some gynecological diseases such as vaginal diseases, uterine diseases and cervical diseases are frequently encountered, and cervical cells, vaginal epithelial cells, leucorrhea and the like need to be scraped for clinical examination and analysis for diagnosis. Clinically, the endometrium is sampled mainly by a curette, but the method is a nonrepeatable traumatic diagnosis method, has complicated operation process and poor sampling accuracy, and brings great pain to patients.

At present, some special cervix uteri collectors have also appeared in the market, like "a novel cervix uteri sampling device" that chinese patent number ZL201520142995.5 discloses, this cervix uteri sampling device adopts the elasticity sampling head that contracts in the sampling tube to take a sample, release the elasticity sampling head during the use and open from the sampling tube and take a sample, this kind of cervix uteri sampling device operation is comparatively convenient, but its sampling head only can utilize self elasticity to open, open the size and be difficult to control freely, bring inconvenience for the sampling operation. Also, as disclosed in chinese patent No. ZL201620244735.3, "a cervical sampler" which uses a sliding tube to push a membrane scraping tube to open the tube, the size of the opening is easy to control, but the structure is complex and the manufacturing cost is high.

Aiming at a plurality of technical problems of the existing endocervical collector, the applicant provides a utility model patent with the Chinese patent number of ZL201822156013.4 and the name of 'a cervical collector' in 2018, 12, month and 21, the cervical collector controls the deformation and expansion of the scraping strip by pushing a button to push and pull an adjusting rod, the structure is simple, and the stretching amplitude of the scraping strip is convenient to adjust. However, the operation of the medical scraper is realized by pulling the push button backwards, which is not suitable for the operation habit of medical staff, and the control of the operation of pulling backwards is relatively difficult. Therefore, the applicant proposes a patent application with the application number of 201921091558X and the name of 'pushing-pushing type cervical collector' on 12.7.2019, and the application utilizes the ingenious design of an arc-shaped sliding groove on a pushing-pulling button to convert the forward pushing-pulling action of the pushing-pulling button into the backward movement of a regulating rod so as to expand the scratching head. However, the operation is to convert the forward pushing action of the push button into the backward movement of the core rod to expand the bar scraping tube, so that the continuous adjustment of the expanded state of the bar scraping tube is not convenient to realize, and further improvement is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the defect that exists among the prior art, provide a novel endocervix collector, adopt this real neotype technical scheme, utilize the screw-thread fit mode of regulating wheel and threaded rod, realize the continuity control to regulating rod back-and-forth movement distance through rotating the regulating wheel, and then realize adjusting scratching the continuity of head expanded state, structural design is simple ingenious, and the flexible operation is convenient, makes the sampling operation of cervix, endometrium or tissue more accurate.

In order to achieve the purpose, the technical scheme of the utility model is to design a novel endocervical collector, which comprises a handle, a regulating wheel, a sleeve, a scratching head and a regulating rod, wherein the rear end of the scratching head is fixedly arranged at the front end of the sleeve, the rear end of the sleeve is fixedly arranged on the handle, the regulating rod is arranged in the sleeve, the front end of the regulating rod is connected with the front end of the scratching head, the rear end of the regulating rod is in threaded fit connection with the regulating wheel arranged on the handle, the regulating wheel is provided with a mounting hole, a cavity along the length direction is arranged inside the handle, the regulating wheel is rotatably arranged in the mounting hole of the handle, the regulating wheel is provided with a threaded hole running through the axial direction of the regulating wheel, the rear end of the regulating rod is provided with a threaded rod matched with the threaded hole on the regulating wheel, the regulating rod is in threaded fit with the threaded hole on the regulating wheel, the scraping head is expanded by rotating the adjusting wheel to enable the adjusting rod to move backwards.

The endocervix collector of the utility model utilizes the thread matching mode of the regulating wheel and the threaded rod to realize the continuous control of the back-and-forth movement distance of the regulating rod by rotating the regulating wheel, thereby realizing the continuous regulation of the scratching head expansion state, and the endocervix collector has simple and ingenious structural design and flexible and convenient operation, and ensures that the sampling operation of cervix, endometrium or tissue is more accurate; the rear end of the adjusting rod is in threaded fit with the adjusting wheel on the handle through a threaded rod, so that the cervical intima collector is more convenient to assemble and manufacture, and the production and processing efficiency of the cervical intima collector is ensured.

In order to ensure the adjusting efficiency of the endocervix collector in use, the preferred technical proposal is that the axial central line of the adjusting wheel is superposed with the geometric central line of the handle in the length direction of the cavity. The threaded rod is not blocked when moving in the cavity of the handle, thereby ensuring the adjusting efficiency of the endocervical collector when in use.

In order to ensure the safety of the endocervical membrane collector, the preferable technical scheme is that the adjusting rod comprises a linkage rod and a scratching head mounting rod, wherein the front end of the linkage rod is fixedly connected with the rear end of the scratching head mounting rod, the rear end of the linkage rod is fixedly connected with the front end of the threaded rod, and the axial central lines of the linkage rod, the scratching head mounting rod and the threaded rod are superposed; scratch the external diameter of scraping the first installation pole and be less than the external diameter of trace, scratch the front end of scraping the first installation pole and pass through the connector and scratch the front end card of head and link firmly. The linkage rod, the scratching head mounting rod and the threaded rod are coaxially arranged, so that the smoothness of the adjusting wheel in the operation process of adjusting the scratching head in the expansion state is guaranteed; the outer diameter of scratching the head mounting rod is smaller than that of the linkage rod, so that the front end of the linkage rod is abutted to the rear port of the scratching head when the endocervical intima collector is not used, namely, the cervical intima collector is in a limiting and locking state, the phenomenon that the scratching head falls off due to the fact that the adjusting wheel of the collector pushes the adjusting rod to move towards the front end of the sleeve when the adjusting wheel of the collector is acted by an external force is effectively prevented, and therefore the safety of the collector in the processes of storage, carrying or transportation is guaranteed.

In order to ensure the stability of the endocervical collector in the using process, the preferable technical scheme is that the linking rod is provided with a guide groove penetrating through the rod body, the guide groove is arranged along the length direction of the linking rod, the sleeve is provided with two pin holes penetrating through the pipe wall, the two pin holes are respectively positioned at two ends of the same diameter on the same cross section of the sleeve, the endocervical collector further comprises a pin shaft penetrating through the guide groove on the linking rod, and the two end parts of the pin shaft are respectively riveted and fixed at the two pin hole parts of the sleeve. The adjusting rod and the sleeve are matched with each other in a sliding guide mode through the pin shaft and the guide groove, so that the adjusting rod and the sleeve are effectively prevented from rotating relatively, and the stability of the adjusting wheel in the front-back movement process of the adjusting rod is guaranteed.

In order to facilitate the destruction of the collector after use, a further preferred technical scheme is that at least one annular groove is arranged on the outer peripheral side of the linkage rod, and a notch corresponding to the annular groove is arranged on the sleeve. After the endocervix collector is used, the scratching head is reset to a closed state through the adjusting wheel, the opening on the sleeve corresponds to the annular groove on the adjusting rod, the sleeve is broken off from the opening to destroy the collector, and therefore infection accidents caused by secondary use of the endocervix collector are avoided.

In order to further facilitate the destruction efficiency of the collector after use, the preferred technical scheme is that the number of the openings is two, and the two openings are respectively and correspondingly arranged on two opposite side walls of the same cross section of the sleeve. The endocervix collector is more labor-saving when being broken, and the destruction efficiency of the collector after use is ensured.

In order to facilitate the smooth preparation of this endocervix collector, the handle include half first shell and the half second shell, the front end of half first shell be equipped with first U type groove, the front end of half second shell corresponds and is equipped with second U type groove, half first shell and half second shell pass through buckle structure and to closing fixed connection, first U type groove and second U type groove lock form the installing port. Its handle includes half first shell and the half shell of second, and half first shell and the half shell of second are to closing fixed connection through buckle structure, the whole assembly of the endocervix collector of being convenient for, and the preparation is simple and convenient more.

The utility model has the advantages and the beneficial effects that:

1. the endocervix collector of the utility model utilizes the thread matching mode of the regulating wheel and the threaded rod to realize the continuous control of the back-and-forth movement distance of the regulating rod by rotating the regulating wheel, thereby realizing the continuous regulation of the scratching head expansion state, and the endocervix collector has simple and ingenious structural design and flexible and convenient operation, and ensures that the sampling operation of cervix, endometrium or tissue is more accurate; the rear end of the adjusting rod is in threaded fit with the adjusting wheel on the handle through a threaded rod, so that the cervical intima collector is more convenient to assemble and manufacture, and the production and processing efficiency of the cervical intima collector is ensured.

2. The axial center line of the adjusting wheel is superposed with the geometric center line of the handle in the length direction of the cavity. The threaded rod is not blocked when moving in the cavity of the handle, thereby ensuring the adjusting efficiency of the endocervical collector when in use.

3. The linkage rod, the scratching head mounting rod and the threaded rod are coaxially arranged, so that the smoothness of the adjusting wheel in the operation process of adjusting the scratching head in the expansion state is guaranteed; the outer diameter of scratching the head mounting rod is smaller than that of the linkage rod, so that the front end of the linkage rod is abutted to the rear port of the scratching head when the endocervical intima collector is not used, namely, the cervical intima collector is in a limiting and locking state, the phenomenon that the scratching head falls off due to the fact that the adjusting wheel of the collector pushes the adjusting rod to move towards the front end of the sleeve when the adjusting wheel of the collector is acted by an external force is effectively prevented, and therefore the safety of the collector in the processes of storage, carrying or transportation is guaranteed.

4. The adjusting rod and the sleeve are matched with each other in a sliding guide mode through the pin shaft and the guide groove, so that the adjusting rod and the sleeve are effectively prevented from rotating relatively, and the stability of the adjusting wheel in the front-back movement process of the adjusting rod is guaranteed.

5. After the endocervix collector is used, the scratching head is reset to a closed state through the adjusting wheel, the opening on the sleeve corresponds to the annular groove on the adjusting rod, the sleeve is broken off from the opening to destroy the collector, and therefore infection accidents caused by secondary use of the endocervix collector are avoided.

6. The two gaps are respectively and correspondingly arranged on two opposite side walls of the same cross section of the sleeve. The endocervix collector is more labor-saving when being broken, and the destruction efficiency of the collector after use is ensured.

7. This novel endocervix collector's handle includes half first shell and the half shell of second, and half first shell and the half shell of second are to closing fixed connection through buckle structure, the whole assembly of the endocervix collector of being convenient for, and the preparation is simple and convenient more.

Drawings

FIG. 1 is a schematic view of the overall structure of the endocervical canal collector of the present invention;

FIG. 2 is a schematic view of the exploded structure of the endocervical canal collector of the present invention;

fig. 3 is a schematic cross-sectional structure diagram of the endocervical collector of the invention (scratching head closed state);

FIG. 4 is an enlarged view of a portion of FIG. 3 at H;

FIG. 5 is a schematic cross-sectional view of the endocervical canal sampler of the present invention (with the scraping head in an open state);

fig. 6 is a partially enlarged view at S in fig. 5.

In the figure: 1. a handle; 1a, a first half-shell; 1b, a second half-shell; 1-1, mounting ports; 1-1a, a first U-shaped groove; 1-1b and a second U-shaped groove; 1-2, buckling; 1-3, a clamping groove; 1-4, a cavity; 2. an adjustment wheel; 3. a sleeve; 3-1, opening; 3-2, a pin shaft; 4. scratching a head; 5. adjusting a rod; 5-1, a linkage rod; 5-1-1, annular groove; 5-1-2, a guide groove; 5-2, scratching head mounting rods; 5-2-1, a connector; 5-3, threaded rod.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

Examples

As shown in figures 1-6, the utility model relates to a novel endocervical collector, which comprises a handle 1, an adjusting wheel 2, a sleeve 3, a scratching head 4 and an adjusting rod 5, wherein the rear end of the scratching head 4 is fixedly arranged at the front end of the sleeve 3, the rear end of the sleeve 3 is fixedly arranged on the handle 1, the adjusting rod 5 is arranged in the sleeve 3, the front end of the adjusting rod 5 is connected with the front end of the scratching head 4, the rear end of the adjusting rod 5 is connected with the adjusting wheel 2 arranged on the handle 1 in a thread fit manner, the novel endocervical collector is characterized in that the handle 1 is provided with an installing port 1-1, a cavity 1-4 along the length direction is arranged inside the handle 1, the adjusting wheel 2 is rotatably arranged in the installing port 1-1 of the handle 1, the adjusting wheel 2 is provided with a threaded hole penetrating through the axial direction, the rear end of the adjusting rod 5 is provided with a threaded rod 5-3 matched with the threaded hole on the adjusting wheel, the adjusting rod 5 is in threaded fit with a threaded hole in the adjusting wheel 2 through a threaded rod 5-3, and the adjusting rod 5 moves backwards by rotating the adjusting wheel 2 to expand the scratching head 4.

Preferably, the axial center line of the adjusting wheel 2 is coincident with the geometric center line of the cavity 1-4 on the handle 1 in the length direction.

Preferably, the adjusting rod 5 comprises a linkage rod 5-1 and a scratching head mounting rod 5-2, wherein the front end of the linkage rod 5-1 is fixedly connected with the rear end of the scratching head mounting rod 5-2, the rear end of the linkage rod 5-1 is fixedly connected with the front end of the threaded rod 5-3, and the axial center lines of the linkage rod 5-1, the scratching head mounting rod 5-2 and the threaded rod 5-3 are coincident; the outer diameter of the scratching head mounting rod 5-2 is smaller than that of the linkage rod 5-1, and the front end of the scratching head mounting rod 5-2 is fixedly connected with the front end of the scratching head 4 through a connector 5-2-1.

Preferably, the linkage rod 5-1 is provided with a guide groove 5-1-2 penetrating through the rod body, the guide groove 5-1-2 is arranged along the length direction of the linkage rod 5-1, the sleeve 3 is provided with two pin holes penetrating through the pipe wall, the two pin holes are respectively positioned at two ends of the same cross section of the sleeve 3, the linkage rod further comprises a pin shaft 3-2 penetrating through the guide groove 5-1-2 on the linkage rod 5-1, and two end parts of the pin shaft 3-2 are respectively riveted and fixed at two pin holes of the sleeve 3.

Preferably, the outer peripheral side of the linkage rod 5-1 is at least provided with an annular groove 5-1-1, and the sleeve 3 is provided with a notch 3-1 corresponding to the annular groove 5-1-1.

Furthermore, the two gaps 3-1 are included, and the two gaps 3-1 are respectively and correspondingly arranged on two opposite side walls of the same cross section of the sleeve 3.

Preferably, the handle 1 comprises a first half shell 1a and a second half shell 1b, a first U-shaped groove 1-1a is formed in the front end of the first half shell 1a, a second U-shaped groove 1-1b is correspondingly formed in the front end of the second half shell 1b, the first half shell 1a and the second half shell 1b are fixedly connected in an involutory mode through a buckling structure, and the first U-shaped groove 1-1a and the second U-shaped groove 1-1b are buckled to form the mounting opening 1-1.

Furthermore, the upper side and the lower side of the first half shell 1a are respectively provided with at least two pairs of buckles 1-2, the corresponding position of the second half shell 1b is also provided with at least two pairs of clamping grooves 1-3, and the first half shell 1a and the second half shell 1b are connected through the buckles 1-2 and the clamping grooves 1-3 in a buckling manner.

The utility model discloses endocervical collector's theory of use:

when in use, the endocervical collector is in an initial state, and the scraping strips on the scratching head 4 are closed under the elastic action of the scratching head 4 (as shown in figure 3), so that the endocervical collector enters a human body in the state; during operation, one hand holds the handle 1, the thumb rotates the adjusting wheel 2, the adjusting wheel 2 drives the threaded rod 5-3 to move backwards, so that the adjusting rod 5 moves backwards, the scraping strip on the scraping strip 4 expands (as shown in fig. 5), the opening and closing size of the scraping strip on the scraping head 4 is controlled by the adjusting wheel 2 to adjust the extending length of the threaded rod 5-3 in the cavity 1-4 of the handle 1, and sampling operation is realized; after the collector is used, the adjusting wheel 2 is rotated in the opposite direction to reset the scraping strips on the scratching head 4 to an initial closed state, at the moment, the annular groove 5-1-1 on the adjusting rod 5 corresponds to the notch 3-1 on the sleeve 3, and the collector is broken off from the notch 3-1 on the sleeve 3 to realize destruction.

When the endocervix collector is used for collecting and sampling the cervix, the scratching head does not need to be expanded too much, the collection and sampling can be scraped, and when the endocervix collector is used for collecting and sampling the endometrium or the tissue, the endocervix collector needs to be expanded to the maximum size so as to realize the purpose of collecting and sampling.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A novel endocervical collector comprises a handle (1), a regulating wheel (2), a sleeve (3), a scratching head (4) and a regulating rod (5), wherein the rear end of the scratching head (4) is fixedly arranged at the front end of the sleeve (3), the rear end of the sleeve (3) is fixedly arranged on the handle (1), the regulating rod (5) is arranged in the sleeve (3), the front end of the regulating rod (5) is connected with the front end of the scratching head (4), the rear end of the regulating rod (5) is in threaded fit connection with the regulating wheel (2) arranged on the handle (1), the novel endocervical collector is characterized in that the handle (1) is provided with a mounting hole (1-1), a cavity (1-4) along the length direction is arranged inside the handle (1), the regulating wheel (2) is rotatably arranged in the mounting hole (1-1) of the handle (1), and the regulating wheel (2) is provided with a threaded hole running through the axial direction, the rear end of the adjusting rod (5) is provided with a threaded rod (5-3) matched with a threaded hole in the adjusting wheel (2), the adjusting rod (5) is in threaded fit with a threaded hole in the adjusting wheel (2) through the threaded rod (5-3), and the adjusting rod (5) moves backwards to enable the scratching head (4) to expand by rotating the adjusting wheel (2).

2. A novel endocervical collector as claimed in claim 1, characterized in that the axial centre line of the regulating wheel (2) coincides with the geometric centre line of the handle (1) in the length direction of the cavities (1-4).

3. The novel endocervical collector of claim 2, characterized in that the adjusting rod (5) comprises a linkage rod (5-1) and a scratching head mounting rod (5-2), wherein the front end of the linkage rod (5-1) is fixedly connected with the rear end of the scratching head mounting rod (5-2), the rear end of the linkage rod (5-1) is fixedly connected with the front end of the threaded rod (5-3), and the axial central lines of the linkage rod (5-1), the scratching head mounting rod (5-2) and the threaded rod (5-3) are coincident; the outer diameter of the scratching head mounting rod (5-2) is smaller than that of the linkage rod (5-1), and the front end of the scratching head mounting rod (5-2) is fixedly connected with the front end of the scratching head (4) through a connector (5-2-1).

4. The novel endocervical collector as claimed in claim 3, characterized in that the linkage rod (5-1) is provided with a guide groove (5-1-2) penetrating through the rod body, the guide groove (5-1-2) is arranged along the length direction of the linkage rod (5-1), the sleeve (3) is provided with two pin holes penetrating through the tube wall, the two pin holes are respectively positioned at two ends of the same diameter on the same cross section of the sleeve (3), the novel endocervical collector further comprises a pin shaft (3-2) penetrating through the guide groove (5-1-2) on the linkage rod (5-1), and two end parts of the pin shaft (3-2) are respectively riveted and fixed at two pin holes of the sleeve (3).

5. The novel endocervical collector of claim 3, characterized in that the outer circumference of the linkage rod (5-1) is at least provided with an annular groove (5-1-1), and the sleeve (3) is provided with a notch (3-1) corresponding to the annular groove (5-1-1).

6. The novel endocervical collector of claim 5, characterized in that the two openings (3-1) are respectively arranged on two opposite side walls of the same cross section of the sleeve (3).

7. The novel endocervical canal collector of claim 1, wherein the handle (1) comprises a first half shell (1a) and a second half shell (1b), a first U-shaped groove (1-1a) is formed in the front end of the first half shell (1a), a second U-shaped groove (1-1b) is correspondingly formed in the front end of the second half shell (1b), the first half shell (1a) and the second half shell (1b) are fixedly connected in a matched mode through a buckling structure, and the first U-shaped groove (1-1a) and the second U-shaped groove (1-1b) are buckled to form the mounting opening (1-1).