CN217014103U - Cervical collector with uterine horn sampling function - Google Patents

Abstract

The utility model discloses a cervical collector with a uterine horn sampling function, and belongs to the field of medical instruments. The utility model relates to a cervical collector, which comprises a sleeve, a sampling tube, a push-pull mechanism, a uterine horn scraping piece, a core rod and a core rod push-pull mechanism, wherein the sampling tube is fixedly arranged at the front end of the sleeve, the push-pull tube is connected with the front end of the sampling tube, the rear end of the push-pull tube is connected with the push-pull mechanism, the core rod is arranged in the push-pull tube, the uterine horn scraping piece is arranged at the front end of the sampling tube and is connected with the front end of the core rod, the rear end of the core rod is connected with the core rod push-pull mechanism, and the core rod push-pull mechanism drives the uterine horn scraping piece to contract or stretch out and bounce at the front end of the push-pull tube through the core rod. The uterine horn scratching piece is arranged on the basis of the original uterine cervix collector, so that the uterine cervix collector has the function of scratching the uterine orifice and the uterine horn, the sampling of the cervix is more comprehensive, and the sampling operation is simple and convenient.

Description

Cervical collector with uterine horn sampling function

Technical Field

The utility model relates to a cervical collector, in particular to a cervical collector with a uterine horn sampling function.

Background

In gynecological clinical practice, some gynecological diseases such as vagina and cervix are frequently encountered, and the cervix, 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 cervical collectors have also appeared on the market, like "a novel cervical sampling device" that chinese patent number ZL201520142995.5 disclosed, this cervical sampling device adopts the elasticity sampling head that contracts in the sampling tube to take a sample, during the use with elasticity sampling head from sampling tube in release open take a sample, this kind of cervical sampling device operation is comparatively convenient, but its sampling head only can utilize self elasticity to open, it is difficult to freely control to open the size, bring inconvenience for the sampling operation. As the cervical sampler disclosed in chinese patent No. ZL201620244735.3, the cervical sampler adopts a sliding tube to push a membrane scraping tube to expand the tube, the expansion size 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 also successively provides a ' cervix collector ' with the patent number of ZL201822156013.4 ', a ' push-type cervix collector ' with the patent number of ZL201921091558X and a ' novel endocervical collector ' with the patent number of ZL202020205047.2, and the cervix collectors all adopt expandable scraping tubes for cervix sampling, so that the uterine cervix sampling device has the advantages of flexibility and convenience in sampling and the like, but the scraping tubes are difficult to deeply penetrate into uterine horns and cannot effectively sample the uterine horns.

Disclosure of Invention

1. Technical problem to be solved by the utility model

The technical scheme of the utility model is that on the basis of the original uterine and cervical collector, a uterine horn scratching piece which can be contracted or extended and bounced at the front end of a push-pull tube by pushing and pulling a core rod is arranged, so that the cervical collector has the functions of scratching and scraping a uterine orifice and a uterine horn, the cervical sampling is more comprehensive, and the sampling operation is simple and convenient.

2. Technical scheme

In order to achieve the purpose, the technical scheme provided by the utility model is as follows:

the utility model discloses a cervical collector with a uterine horn sampling function, which comprises a sleeve, a sampling tube, a push-pull tube and a push-pull mechanism, wherein the rear end of the sampling tube is fixedly installed at the front end of the sleeve, the push-pull tube is arranged in the sleeve, the front end of the push-pull tube is connected with the front end of the sampling tube, the rear end of the push-pull tube is connected with the push-pull mechanism arranged at the rear end of the sleeve, the cervical collector also comprises a uterine horn scratching piece, a core rod and a core rod push-pull mechanism, the core rod is arranged in the push-pull tube, the uterine horn scratching piece is arranged at the front end of the sampling tube, the uterine horn scratching piece is connected with the front end of the core rod, the rear end of the core rod is connected with the core rod push-pull mechanism, and the core rod push-pull mechanism drives the uterine horn scratching piece to contract or stretch out and bounce at the front end of the push-pull tube through the core rod.

Furthermore, the side wall of the sampling tube is provided with at least two strip-shaped openings arranged along the circumferential direction to form a plurality of scraping strips or scraping strip brushes capable of being expanded outwards.

Furthermore, the uterine horn scratching piece is an annular scratching strip or a scraping blade or a hairbrush.

Furthermore, the uterine horn scratching piece consists of two annular scratching strips or two scraping blades or two brushes, and the two annular scratching strips or the two scraping blades or the two brushes are in an outwards-opened splayed structure in an extending and bouncing state.

Furthermore, the sleeve is provided with a sleeve breaking groove, the push-pull pipe breaking groove is also arranged at the corresponding position of the push-pull pipe, and the core rod breaking groove is also arranged at the corresponding position of the core rod.

Furthermore, the rear part of the sleeve is also provided with a push-pull tube positioning mechanism for positioning the relative position of the push-pull tube and the sleeve.

Furthermore, the push-pull pipe positioning mechanism comprises a handle, a pressure rod, a pressing block and a spring, the handle is fixed at the rear part of the sleeve, the push-pull pipe penetrates through the handle to be connected with the push-pull mechanism, a plurality of positioning grooves are formed in one section of outer wall, located on the inner side of the handle, of the push-pull pipe in the length direction, the middle of the pressure rod is hinged to a supporting seat arranged on the handle, the pressing block is hinged to one end of the pressure rod, the lower end of the pressing block is provided with a gear shaping which penetrates through the handle and is matched with the positioning grooves, the spring is arranged on one side, far away from the pressing block, of the pressure rod, and the spring is abutted between the pressure rod and the handle.

Furthermore, the push-pull mechanism comprises a scraping bar push-pull button, and the rear end of the push-pull pipe is connected with the scraping bar push-pull button; the core rod push-pull mechanism comprises a core rod push-pull button, the rear end of the core rod extends out of the push-pull pipe and then is connected with the core rod push-pull button, and the core rod push-pull button is located at the rear end of the scraper push-pull button.

Furthermore, the rear end of the handle is provided with a guide tube guide groove, and the front end of the scraping bar push-pull button is provided with a guide tube which is in sliding fit with the guide tube guide groove.

Furthermore, the sleeve is also provided with a rotation stopping mechanism for preventing the thrust pull tube and the core rod from rotating, the rotation stopping mechanism comprises a pin shaft arranged in the sleeve, the push-pull tube is provided with a push-pull tube guide groove matched with the pin shaft, and the core rod is provided with a core rod guide groove matched with the pin shaft.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

(1) the utility model relates to a cervix collector with a uterine horn sampling function, which comprises a sleeve, a sampling tube, a push-pull mechanism, a uterine horn scratching part, a core bar and a core bar push-pull mechanism, wherein the sleeve, the sampling tube, the push-pull tube and the push-pull mechanism form a uterine horn scratching assembly;

(2) according to the cervical collector with the uterine horn sampling function, the side wall of the sampling tube is provided with the at least two strip-shaped openings arranged along the circumferential direction to form the plurality of scraping strips or scraping strip brushes capable of being unfolded outwards, the sampling tube is unfolded and shrunk by utilizing the elasticity of the scraping strips, the cervical collector can conveniently extend into a cervical orifice during shrinking, scratching sampling is realized by utilizing the scraping strips during unfolding, the length and the diameter expansion range of the scraping strips can be increased, and the operation is flexible and convenient;

(3) according to the cervical collector with the uterine horn sampling function, the uterine horn scratching piece is the annular scraping strip or the scraping blade or the hairbrush, the annular scraping strip or the scraping blade or the hairbrush is convenient to contract into the front end of the push-pull pipe and can elastically stretch outwards when extending out, the expansion length and the diameter range of the annular scraping strip or the scraping blade or the hairbrush can be adjusted, and the sampling of the inner side of a uterus is facilitated;

(4) according to the cervical collector with the uterine horn sampling function, the uterine horn scratching piece is composed of the two annular scratching strips or the two scraping blades or the two brushes, the two annular scratching strips or the two scraping blades or the two brushes are in the splayed structure which is outwards opened in the stretching and springing state, and the uterine horn scratching piece can be used for sampling the inner side of the uterus better, so that the sampling accuracy and convenience are improved;

(5) according to the cervical collector with the uterine horn sampling function, the sleeve is provided with the sleeve breaking groove, the push-pull pipe breaking groove is also arranged at the corresponding position of the push-pull pipe, the core rod breaking groove is also arranged at the corresponding position of the core rod, and the cervical collector can be conveniently broken after being used by utilizing the breaking groove, so that the risk of secondary use is avoided;

(6) according to the cervical collector with the uterine horn sampling function, the push-pull tube positioning mechanism used for positioning the relative position of the push-pull tube and the sleeve is further arranged at the rear part of the sleeve, the push-pull tube can be fixed by the push-pull tube positioning mechanism, the opening size of the sampling tube is further fixed, and the uterine horn scratching piece is operated after the sampling tube is fixed in the opening size, so that the operation of the uterine horn scratching piece is more convenient, and the operation flexibility and stability of the whole cervical collector are improved;

(7) the utility model relates to a cervical collector with a uterine horn sampling function, wherein a push-pull tube positioning mechanism comprises a handle, a pressure rod, a pressing block and a spring, a plurality of positioning grooves are formed in the length direction of a section of outer wall, located on the inner side of the handle, of the push-pull tube, the middle part of the pressure rod is hinged to a supporting seat arranged on the handle, the pressing block is hinged to one end of the pressure rod, a gear shaping penetrating into the handle and matched with the positioning grooves is arranged at the lower end of the pressing block, the spring is arranged on one side, away from the pressing block, of the pressure rod, the spring abuts between the pressure rod and the handle, the gear shaping of the pressing block is matched with the positioning grooves in the push-pull tube by utilizing a lever principle, the gear shaping is stably matched with the positioning grooves by utilizing the spring, the pressing rod is only needed to be pressed downwards to lift the pressing block when unlocking, and the operation is simple and convenient;

(8) the utility model relates to a cervical collector with a uterine horn sampling function, wherein a push-pull mechanism of the cervical collector comprises a scraping bar push-pull button, and the rear end of a push-pull pipe is connected with the scraping bar push-pull button; the core rod push-pull mechanism comprises a core rod push-pull button, the rear end of the core rod extends out of the push-pull pipe and then is connected with the core rod push-pull button, and the core rod push-pull button is positioned at the rear end of the scraper push-pull button; the scraping bar push-pull button and the core rod push-pull button which are arranged in front and back are adopted, so that the structure design is simple, and the push-pull operation is flexible and convenient;

(9) according to the cervical collector with the uterine horn sampling function, the rear end of the handle is provided with the guide tube groove, the front end of the scraper bar push-pull button is provided with the guide tube in sliding fit with the guide tube groove, and the front-back push-pull operation of the scraper bar push-pull button is more stable and reliable;

(10) according to the cervical collector with the uterine horn sampling function, the sleeve is further provided with the rotation stopping mechanism for preventing the rotation of the anti-thrust pull tube and the core rod, the rotation stopping mechanism comprises the pin shaft arranged in the sleeve, the push-pull tube is provided with the push-pull tube guide groove matched with the pin shaft, the core rod is provided with the core rod guide groove matched with the pin shaft, and the rotation stopping mechanism can effectively prevent the rotation of the anti-thrust pull tube and the core rod during operation and improve the sampling stability.

Drawings

Fig. 1 is a schematic perspective view of a cervical collector with a uterine horn sampling function according to the present invention;

FIG. 2 is a schematic view of a part of the enlarged structure at K in FIG. 1;

fig. 3 is a schematic cross-sectional structural view of a cervical collector with a uterine horn sampling function according to the present invention;

FIG. 4 is a schematic view of a portion of the enlarged structure at M in FIG. 3;

FIG. 5 is a partial enlarged view of the structure at N in FIG. 3;

fig. 6 is a schematic sectional structure view of the push-pull tube positioning mechanism of the present invention.

The reference numerals in the schematic drawings illustrate:

1. a sleeve; 1-1, a pin shaft; 1-2, a sleeve breaking groove; 2. a sampling tube; 2-1, scraping strips or scraping strip brushes; 3. pushing and pulling the pipe; 3-1, positioning a groove; 3-2, push-pull pipe guide grooves; 3-3, breaking the groove by the push-pull pipe; 4. scraping a uterine horn; 5. a core bar; 5-1, a core bar guide groove; 5-2, core bar breaking groove; 6. a push-pull mechanism; 6-1, pushing and pulling a button by a scraping bar; 6-2, a conduit; 7. a core bar push-pull mechanism; 7-1, a core rod push-pull button; 8. a push-pull tube positioning mechanism; 8-1, a handle; 8-1a, a conduit guide groove; 8-2, a support seat; 8-3, a compression bar; 8-4, briquetting; 8-4a, gear shaping; 8-5 and a spring.

Detailed Description

For a further understanding of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings and examples.

[ examples ]

Referring to fig. 1, 2 and 3, a cervical collector with a uterine horn sampling function of this embodiment includes a sleeve 1, a sampling tube 2, a push-pull tube 3 and a push-pull mechanism 6, a rear end of the sampling tube 2 is fixedly mounted at a front end of the sleeve 1, the sampling tube 2 can be inserted and matched at a front end of the sleeve 1 through a plug, the sampling tube 2 and the sleeve 1 can also be connected in a threaded connection manner, the push-pull tube 3 is disposed in the sleeve 1, a front end of the push-pull tube 3 is connected with a front end of the sampling tube 2, a rear end of the push-pull tube 3 is connected with the push-pull mechanism 6 disposed at a rear end of the sleeve 1, the push-pull tube 3 can slide in the sleeve 1, the push-pull mechanism 6 is a component capable of push-pull operation, the push-pull mechanism 6 drives the sampling tube 2 to open or close through the push-pull tube 3, and the sampling tube 2 can scratch a uterine neck opening. Different from the prior cervical collector, the cervical collector also comprises a uterine horn scratching piece 4, a core rod 5 and a core rod push-pull mechanism 7, wherein the core rod 5 is arranged in the push-pull tube 3, the core rod 5 can slide in the push-pull tube 3, the uterine horn scratching piece 4 is arranged at the front end of the sampling tube 2, the uterine horn scratching piece 4 is connected with the front end of the core rod 5, the rear end of the core rod 5 is connected with the core rod push-pull mechanism 7, the front end of the push-pull tube 3 can accommodate the uterine horn scratching piece 4, the core rod push-pull mechanism 7 is a component capable of being pushed and pulled, and the core rod push-pull mechanism 7 drives the uterine horn scratching piece 4 to contract or stretch out and bounce at the front end of the push-pull tube 3 through the core rod 5. During operation, the push-pull tube 3 is driven by the push-pull mechanism 6 to stretch back and forth relative to the sleeve 1, the sampling tube 2 is driven by the push-pull tube 3 to expand or contract, and the cervical orifice can be sampled by the expanded sampling tube 2; the core rod 5 is driven by the core rod push-pull mechanism 7 to stretch back and forth relative to the push-pull tube 3, the uterine horn scratching piece 4 is driven by the core rod 5 to stretch and move at the front end of the push-pull tube 3, and scratching sampling can be carried out on the inner side of the cervix by the uterine horn scratching piece 4 stretching out and stretching out. The utility model provides a cervical collector with uterine horn sample function on the basis of original uterine cervical collector, has set up and has scratched the piece through the front end shrink of core bar push-and-pull pipe or stretch out the uterine horn that the bullet was opened for cervical collector has the function of scratching palace mouth and uterine horn, has realized intrauterine sample, and the cervical sample is more comprehensive, and sample operation is simple and convenient, has greatly made things convenient for clinical sampling analysis.

As shown in fig. 2, in this embodiment, the sidewall of the sampling tube 2 is formed with at least two strip-shaped openings arranged along the circumferential direction to form a plurality of scraping strips or scraping brush 2-1 capable of being expanded outward, the sampling tube 2 is made of an elastic material as a whole, when the push-pull tube 3 is pulled backward, two ends of the sampling tube 2 are drawn close to the middle, at this time, the scraping strips or scraping brush 2-1 are expanded outward to form a state shown in fig. 2, and cervical sampling can be performed by using the expanded scraping strips or scraping brush 2-1; the sampling tube 2 can be reset by utilizing the elasticity of the scraping strip or the scraping strip brush 2-1, so that the scraping strip or the scraping strip brush 2-1 is contracted, the cervical collector conveniently extends into the cervical orifice during contraction, scraping and sampling are realized by utilizing the scraping strip during expansion, the length and the diameter expansion range of the scraping strip or the scraping strip brush 2-1 can be increased, and the operation is flexible and convenient. The uterine horn scratching piece 4 is composed of at least one annular scratching strip or scraping blade or hairbrush, the annular scratching strip or scraping blade or hairbrush is preferably made of elastic materials, the annular scratching strip or scraping blade or hairbrush is convenient to shrink into the front end of the push-pull tube 3, meanwhile, the annular scratching strip or scraping blade or hairbrush can be outwards opened by the elasticity of the annular scratching strip or scraping blade or hairbrush when extending out, the stretching length and the outwards-expanded diameter range of the annular scratching strip or scraping blade or hairbrush can be adjusted, and sampling on the inner side of a uterus is facilitated. Preferably, the uterine horn scratching piece 4 consists of two annular scraping strips or two scraping blades or two hairbrushes, and the two annular scraping strips or the two scraping blades or the two hairbrushes are in an outwards-opened splayed structure in an extending and bouncing state, and particularly in a state shown in fig. 2, the sampling of the inner side of the uterus can be better carried out, and the sampling accuracy and the sampling convenience are improved.

As shown in fig. 1, 3 and 5, in this embodiment, the sleeve 1 is provided with a sleeve fracture groove 1-2, the push-pull tube fracture groove 3-3 is also provided at a corresponding position of the push-pull tube 3, and the core bar fracture groove 5-2 is also provided at a corresponding position of the core bar 5, so that the cervical collector can be conveniently fractured after being used by using the fracture groove, thereby avoiding the risk of secondary use. Specifically, the sleeve fracture groove 1-2, the push-pull tube fracture groove 3-3 and the core rod fracture groove 5-2 can be designed by adopting grooves, a weak area is formed at the corresponding fracture groove, and the sleeve fracture groove 1-2, the push-pull tube fracture groove 3-3 and the core rod fracture groove 5-2 correspond to each other in position under the expanded state of the sampling tube 2 and the extended state of the uterine horn scratching piece 4, so that the cervical collector is conveniently fractured.

As shown in fig. 1, fig. 3 and fig. 6, in order to further facilitate the operation of the cervical sampler, in this embodiment, the rear portion of the sleeve 1 is further provided with a push-pull tube positioning mechanism 8 for positioning the relative position of the push-pull tube 3 and the sleeve 1, the push-pull tube positioning mechanism 8 can be used for fixing the push-pull tube 3, so as to fix the opening size of the sampling tube 2, and the uterine horn scratching piece 4 is operated after the sampling tube 2 is opened and fixed in size, so that the operation of the uterine horn scratching piece 4 is more convenient, and the operation flexibility and stability of the whole cervical sampler are improved. The push-pull tube positioning mechanism 8 is used for fixing the push-pull tube 3 in the sleeve 1, and the push-pull tube 3 and the sleeve 1 can be fixed by adopting the existing locking mechanism, specifically in this embodiment, the push-pull tube positioning mechanism 8 comprises a handle 8-1, a pressure lever 8-3, a pressure block 8-4 and a spring 8-5, the handle 8-1 is fixed at the rear part of the sleeve 1, the push-pull tube 3 is connected with the push-pull mechanism 6 by passing through the handle 8-1, a section of outer wall of the push-pull tube 3, which is positioned at the inner side of the handle 8-1, is provided with a plurality of positioning grooves 3-1 along the length direction, the positioning grooves 3-1 are preferably provided with more than two positioning grooves for facilitating the position adjustment of the push-pull tube 3, the middle part of the pressure lever 8-3 is hinged with a supporting seat 8-2 arranged on the handle 8-1, so that the pressure lever 8-3 can flexibly rotate on the supporting seat 8-2, the pressing block 8-4 is hinged with one end of the pressing rod 8-3, the lower end of the pressing block 8-4 is provided with a gear shaping 8-4a which penetrates through the handle 8-1 and is matched with the positioning groove 3-1, the spring 8-5 is arranged on one side, far away from the pressing block 8-4, of the pressing rod 8-3, the spring 8-5 is propped between the pressing rod 8-3 and the handle 8-1, the pressing block 8-4 on the pressing rod 8-3 is pressed downwards by utilizing the elastic force of the spring 8-5, and the gear shaping 8-4a is inserted into the corresponding positioning groove 3-1 on the push-pull pipe 3, so that the push-pull pipe 3 is fixed with the sleeve 1; during unlocking, the press rod 8-3 is pressed downwards by utilizing the lever principle to lift the press block 8-4, so that the gear shaping 8-4a is separated from the positioning groove 3-1, and the push-pull pipe 3 can relatively slide in the sleeve 1. The positioning groove 3-1 on the push-pull tube 3 preferably adopts a ratchet structure, the gear shaping 8-4a adopts a tooth shape matched with the shape of the positioning groove 3-1, when the gear shaping 8-4a is meshed with the positioning groove 3-1, the push-pull tube 3 cannot move forwards, and the push-pull tube 3 can be pulled backwards to realize the opening size adjustment of the sampling tube 2 when the pressure rod 8-3 is not operated. The push-pull pipe positioning mechanism 8 utilizes the lever principle to realize the matching of the gear shaping 8-4a of the pressing block 8-4 and the positioning groove 3-1 on the push-pull pipe 3, the gear shaping 8-4a and the positioning groove 3-1 are stably matched by utilizing the spring 8-5, and the pressing block 8-4 can be lifted only by pressing the pressing rod 8-3 downwards during unlocking, so the operation is simple and convenient.

In the present embodiment, the push-pull mechanism 6 and the core bar push-pull mechanism 7 may be mechanisms capable of controlling the push-pull tube 3 and the core bar 5 to perform the push-pull movement in the axial direction. For convenience of operation, in the present embodiment, the push-pull mechanism 6 includes a scraper push-pull button 6-1, the rear end of the push-pull tube 3 is connected to the scraper push-pull button 6-1, and the push-pull tube 3 can be driven to move back and forth by pushing and pulling the scraper push-pull button 6-1; the core rod push-pull mechanism 7 comprises a core rod push-pull button 7-1, the rear end of the core rod 5 extends out of the push-pull tube 3 and then is connected with the core rod push-pull button 7-1, the core rod push-pull button 7-1 is positioned at the rear end of the scraper push-pull button 6-1, and the core rod 5 can be driven to move back and forth by pushing and pulling the core rod push-pull button 7-1. By adopting the scraping bar push-pull button 6-1 and the core rod push-pull button 7-1 which are arranged in the front and back, the structure design is simple, and the push-pull operation is flexible and convenient. Specifically, in the embodiment, the scraping bar push-pull button 6-1 is located at the rear part of the handle 8-1, the push-pull tube 3 penetrates out of the handle 8-1 and is fixedly connected with the scraping bar push-pull button 6-1, and the core rod 5 penetrates out of the scraping bar push-pull button 6-1 and is fixedly connected with the core rod push-pull button 7-1. And structures such as anti-skidding grooves convenient to operate are arranged on the scraping bar push-pull button 6-1 and the core rod push-pull button 7-1. As shown in fig. 3 and 6, in this embodiment, the rear end of the handle 8-1 is provided with a guide tube groove 8-1a, the front end of the scraper bar push-pull button 6-1 is provided with a guide tube 6-2 slidably engaged with the guide tube groove 8-1a, and the guide tube 6-2 slidably engages in the guide tube groove 8-1a, so that the forward and backward push-pull operation of the scraper bar push-pull button 6-1 is more stable and reliable.

In addition, in order to prevent the push-pull tube 3 and the core rod 5 from rotating during operation, in this embodiment, the sleeve 1 is further provided with a rotation stopping mechanism for preventing the push-pull tube 3 and the core rod 5 from rotating, so that the push-pull tube 3 and the core rod 5 can be effectively prevented from rotating during operation, and the sampling stability is improved. As shown in figure 4, the rotation stopping mechanism comprises a pin shaft 1-1 arranged in a sleeve 1, a push-pull pipe guide groove 3-2 matched with the pin shaft 1-1 is arranged on a push-pull pipe 3, and a core rod guide groove 5-1 matched with the pin shaft 1-1 is arranged on a core rod 5. Specifically, the push-pull tube guide groove 3-2 is a strip-shaped groove arranged along the length direction of the push-pull tube 3, the core bar guide groove 5-1 is a strip-shaped groove arranged along the length direction of the core bar 5, when the push-pull tube 3 and the core bar 5 are installed, the positions of the guide grooves on the push-pull tube 3 and the core bar 5 correspond to the positions of pin holes on the sleeve 1, and then the pin shaft 1-1 is inserted and fixed, so that the push-pull tube 3 and the core bar 5 both slide under the limit of the pin shaft 1-1, and the push-pull tube 3 and the core bar 5 are prevented from rotating randomly. The rotation stopping mechanism is simple in structure and convenient to assemble and manufacture, and the push-pull pipe 3 cannot axially rotate, so that the positioning groove 3-1 on the push-pull pipe 3 cannot deflect, and the push-pull pipe positioning mechanism 8 and the push-pull pipe 3 are ensured to be stably matched.

Before the cervical collector with the uterine horn sampling function is used, the scraping strip or the scraping strip brush 2-1 on the sampling tube 2 is in a contracted state, and the uterine horn scraping piece 4 is contracted at the inner side of the front end of the push-pull tube 3. When sampling the uterine cervix, the uterine cervix collector is deeply inserted into the uterine cervix of a patient, the push-pull tube 3 is pulled backwards by using the scraping strip push-pull button 6-1 to enable the scraping strip or the scraping strip brush 2-1 on the sampling tube 2 to be outwards stretched, then the push-pull tube 3 is positioned by using the push-pull tube positioning mechanism 8, and the core rod push-pull button 7-1 is used for pushing the core rod 5 forwards to enable the uterine horn scraping piece 4 to stretch out and stretch from the front end of the push-pull tube 3, so that the sampling of the uterine horn on the inner side of the uterine cervix is carried out. After sampling is finished, the push-pull tube 3 is unlocked by the push-pull tube positioning mechanism 8, the sampling tube 2 and the uterine horn scratching piece 4 are retracted, and the sampling can be finished by taking out the cervical collector. After the cervical collector is used, the cervical collector is broken off from the breaking groove.

According to the cervix collector with the uterine horn sampling function, the uterine horn scratching piece which can be pushed and pulled to contract or stretch out and bounce at the front end of the push-pull pipe through the core rod is arranged on the basis of the original cervix collector, so that the cervix collector has the function of scratching the uterine orifice and the uterine horn, cervix sampling is more comprehensive, and sampling operation is simple and convenient.

The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the utility model, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the utility model.

Claims (10)

1. The utility model provides a cervical collector with uterine horn sample function, includes sleeve pipe (1), sampling tube (2), push-and-pull tube (3) and push-and-pull mechanism (6), the rear end fixed mounting of sampling tube (2) in the front end of sleeve pipe (1), push-and-pull tube (3) locate in sleeve pipe (1), and the front end of push-and-pull tube (3) is connected with the front end of sampling tube (2), the rear end of push-and-pull tube (3) is connected with push-and-pull mechanism (6) of locating sleeve pipe (1) rear end, its characterized in that: the uterine horn scraping device is characterized by further comprising a uterine horn scraping piece (4), a core rod (5) and a core rod pushing and pulling mechanism (7), wherein the core rod (5) is arranged in the push-pull tube (3), the uterine horn scraping piece (4) is arranged at the front end of the sampling tube (2), the uterine horn scraping piece (4) is connected with the front end of the core rod (5), the rear end of the core rod (5) is connected with the core rod pushing and pulling mechanism (7), and the core rod pushing and pulling mechanism (7) drives the uterine horn scraping piece (4) to contract or stretch out and bounce at the front end of the push-pull tube (3) through the core rod (5).

2. The cervical collector having a uterine horn sampling function according to claim 1, wherein: the side wall of the sampling tube (2) is provided with at least two strip-shaped openings arranged along the circumferential direction to form a plurality of scraping strips or scraping strip brushes (2-1) which can be expanded outwards.

3. The cervical collector having a uterine horn sampling function according to claim 1, wherein: the uterine horn scratching piece (4) is an annular scratching strip or a scraping blade or a hairbrush.

4. The cervical harvester with uterine horn sampling function of claim 3, wherein: the uterine horn scratching piece (4) consists of two annular scratching strips or two scraping blades or two hairbrushes, and the two annular scratching strips or the two scraping blades or the two hairbrushes are in an outwards-opened splayed structure under the stretching and springing state.

5. The cervical harvester with uterine horn sampling function of claim 1, wherein: the sleeve (1) is provided with a sleeve breaking groove (1-2), the corresponding position of the push-pull pipe (3) is also provided with a push-pull pipe breaking groove (3-3), and the corresponding position of the core rod (5) is also provided with a core rod breaking groove (5-2).

6. The cervical harvester with uterine horn sampling function according to any one of claims 1 to 5, wherein: the rear part of the sleeve (1) is also provided with a push-pull tube positioning mechanism (8) for positioning the relative position of the push-pull tube (3) and the sleeve (1).

7. The cervical harvester with uterine horn sampling function of claim 6, wherein: the push-pull pipe positioning mechanism (8) comprises a handle (8-1), a pressure rod (8-3), a pressing block (8-4) and a spring (8-5), the handle (8-1) is fixed at the rear part of the sleeve (1), the push-pull pipe (3) is connected with the push-pull mechanism (6) through the handle (8-1), the push-pull pipe (3) is positioned on one section of outer wall of the inner side of the handle (8-1) and is provided with a plurality of positioning grooves (3-1) along the length direction, the middle part of the pressure rod (8-3) is hinged with a supporting seat (8-2) arranged on the handle (8-1), the pressing block (8-4) is hinged with one end of the pressure rod (8-3), the lower end of the pressing block (8-4) is provided with an insert tooth (8-4a) which penetrates through the handle (8-1) and is matched with the positioning groove (3-1), the spring (8-5) is arranged on one side of the pressure lever (8-3) far away from the pressing block (8-4), and the spring (8-5) is propped between the pressure lever (8-3) and the handle (8-1).

8. The cervical harvester with uterine horn sampling function of claim 7, wherein: the push-pull mechanism (6) comprises a scraping bar push-pull button (6-1), and the rear end of the push-pull pipe (3) is connected with the scraping bar push-pull button (6-1); the core rod push-pull mechanism (7) comprises a core rod push-pull button (7-1), the rear end of the core rod (5) extends out of the push-pull pipe (3) and then is connected with the core rod push-pull button (7-1), and the core rod push-pull button (7-1) is located at the rear end of the scraper bar push-pull button (6-1).

9. The cervical harvester with uterine horn sampling function of claim 8, wherein: the rear end of the handle (8-1) is provided with a guide tube guide groove (8-1a), and the front end of the scraping bar push-pull button (6-1) is provided with a guide tube (6-2) which is in sliding fit with the guide tube guide groove (8-1 a).

10. The cervical collector having a uterine horn sampling function according to claim 7, wherein: the anti-thrust pull pipe is characterized in that the sleeve (1) is further provided with a rotation stopping mechanism for preventing the rotation of the anti-thrust pull pipe (3) and the core rod (5), the rotation stopping mechanism comprises a pin shaft (1-1) arranged in the sleeve (1), the push-pull pipe (3) is provided with a push-pull pipe guide groove (3-2) matched with the pin shaft (1-1), and the core rod (5) is provided with a core rod guide groove (5-1) matched with the pin shaft (1-1).

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