CN115644936B - Secretion sampling device for obstetrics and gynecology department - Google Patents
Secretion sampling device for obstetrics and gynecology department Download PDFInfo
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- CN115644936B CN115644936B CN202211334106.6A CN202211334106A CN115644936B CN 115644936 B CN115644936 B CN 115644936B CN 202211334106 A CN202211334106 A CN 202211334106A CN 115644936 B CN115644936 B CN 115644936B
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Abstract
The invention discloses a secretion sampling device for obstetrics and gynecology department, which comprises an insertion tube, a plurality of air bags and a sampling tube, wherein the insertion tube is provided with a plurality of external sampling holes and a plurality of inflation holes; the air bags are laid on the outer wall of the insertion cylinder at intervals, sampling grooves are formed among the air bags, and the outer sampling holes are all formed in the sampling grooves; the sampling tube is slidably sleeved in the insertion tube and is provided with an inflating piston, a plurality of inner sampling holes and a sampling piston. This sampling device's external diameter can be through implementing aerifing to the gasbag and increase, diameter when effectively reducing this sampling device and inserting the vagina, reduce patient's misery, after this sampling device inserts the vagina, implement aerifing to the gasbag, strut the vagina inner wall gradually when the gasbag is bloated, the vagina inner wall that is located between the gasbag is also propped by the area, and with the separation of sample slot, absorb secretion through the outer sample hole that is located sample slot this moment, can prevent effectively that the attached outer sample hole that blocks up of vagina inner wall, stabilize sample efficiency.
Description
Technical Field
The invention relates to the technical field of biomedicine, in particular to a secretion sampling device for obstetrics and gynecology department.
Background
The obstetrics and gynecology department is one of four main subjects of clinical medicine, and is mainly used for researching the etiology, pathology, diagnosis and prevention of female reproductive organ diseases, the physiological and pathological changes of pregnancy and childbirth, the prevention and diagnosis and treatment of high-risk pregnancy and dystocia, female reproductive internal secretion, family planning, female health care and the like.
The secretion sampling in obstetrics and gynecology department is a necessary operation before the examination, and the prior secretion sampling device generally adopts a structure of scraping or sucking after insertion for sampling, but the devices of the above type generally have the following problems: (1) Because the inner wall of the vagina is soft and sensitive, the scraping form is adopted, so that the inner wall of the vagina is easy to damage, pain of a patient can be caused, and the sampling difficulty is high; (2) Because the vagina has the shrinkage characteristic, when secretion is collected in a suction mode, the inner wall of the vagina shrinks and is attached to the surface of the sampling device, so that a sampling hole is easy to block, the sampling efficiency is low, and even the sampling fails.
Disclosure of Invention
The invention aims to provide a secretion sampling device for obstetrics and gynecology department, and solves the technical problems of poor sampling experience and low sampling efficiency of the existing sampling device for obstetrics and gynecology department.
The invention is realized by the following technical scheme:
a gynecological secretion sampling device comprising: the insertion tube is used for being inserted into a vagina, and the insertion end of the insertion tube is closed and provided with a plurality of external sampling holes and a plurality of inflation holes; the air bags correspond to the inflation holes one by one and are communicated with the inflation holes one by one, the air bags are laid on the outer wall of the insertion cylinder at intervals so as to form sampling grooves among the air bags, and the external sampling holes are all arranged in the sampling grooves; the sampler barrel, the sampler barrel slip suit in insert in the section of thick bamboo, the airtight setting of inserting of sampler barrel and be equipped with the inflating piston, so that the inflating piston with insert and form inclosed inflation storehouse between the end, a plurality of inflating hole all with the inflation storehouse intercommunication, the sampler barrel is opened has a plurality of interior sampling holes, and a plurality of interior sampling holes and a plurality of outer sampling hole one-to-one, when a plurality of interior sampling holes and a plurality of when outer sampling hole corresponds the intercommunication, a plurality of the gasbag is aerifyd and is expanded, be equipped with the sampling piston in the sampler barrel, the sampling piston is used for changing the interior pressure of sampler barrel.
Optionally, a grooved drum is fixedly connected to the inner wall of the insertion drum, a plurality of through grooves and a plurality of closed grooves are annularly formed in the grooved drum, and the plurality of through grooves and the plurality of closed grooves are arranged at intervals; the end, far away from the inflating bin, of the sampling cylinder is annularly provided with a plurality of pressure-bearing teeth, the pressure-bearing teeth can slide to the bottom of the sampling cylinder along the through grooves, at the moment, the plurality of air bags are deflated, the closed grooves can block the pressure-bearing teeth from moving along the axial direction of the sampling cylinder, at the moment, the plurality of air bags are inflated and expanded, and the plurality of outer sampling holes are correspondingly communicated with the plurality of inner sampling holes; an extrusion cylinder is slidably sleeved in the insertion cylinder, a plurality of pressing teeth are annularly arranged at one end, close to the sampling cylinder, of the extrusion cylinder, the pressing teeth are used for extruding the pressure-bearing teeth, and the tooth surface of the pressure-bearing teeth is an inclined surface, so that the pressure-bearing teeth can drive the sampling cylinder to rotate step by step, and the pressure-bearing teeth are switched between the adjacent through grooves and the closed grooves; an elastic resetting piece is arranged in the inflating bin, and the elastic resetting piece can push the bearing teeth into the through groove or the closed groove.
Optionally, the sampling piston is connected with a pull rod, the pull rod penetrates through the sampling cylinder and is connected with the extrusion cylinder, and the plurality of inner sampling holes are formed in one side, far away from the extrusion cylinder, of the sampling piston.
Optionally, the protruding a plurality of first stoppers that are equipped with of sample piston, the sampler barrel inner wall is followed the axial of sampler barrel is equipped with a plurality of first spacing spouts, and is a plurality of first spacing spout and a plurality of first stopper one-to-one and sliding fit, the sampler barrel is close to the inner wall of the one end of recipient is equipped with the annular, the annular is with a plurality of first spacing spout all communicates, and is a plurality of first stopper can be followed the annular slides.
Optionally, the one end of recipient seals, be equipped with the piston of dosing in the recipient, so that the piston of dosing with form the confined storehouse of depositing between the blind end of recipient, the recipient is opened has a plurality of interior dosing holes, and is a plurality of interior dosing holes all with deposit the storehouse intercommunication of dosing, it has a plurality of outer dosing holes, and is a plurality of to insert a section of thick bamboo open outer dosing hole and a plurality of interior dosing hole one-to-one, and can correspond the intercommunication.
Optionally, the pull rod runs through the extrusion container and is connected with the dosing piston, the dosing piston is convexly provided with a plurality of second limiting blocks, a plurality of second limiting sliding grooves are formed in the inner wall of the extrusion container along the axial direction of the extrusion container, and the second limiting sliding grooves correspond to the second limiting blocks one to one and are in sliding fit with the second limiting blocks.
Optionally, work as the pressure-bearing tooth is located close the inslot, just first stopper is located in the annular, just the piston of dosing with the recipient is close to during the one end butt of sampling tube, it is a plurality of interior dosing hole all with correspond outer dosing hole intercommunication, it is a plurality of outer dosing hole all follows the axial extension of inserting a section of thick bamboo is the bar hole, at this moment, works as the recipient orientation the sampling tube slides, and is a plurality of interior dosing hole all follows correspondingly outer dosing hole slides.
Optionally, it is a plurality of the gasbag is the strip, and all follows the axial of inserting a section of thick bamboo is laid, adjacent two all laid between the gasbag and have been given the pencil, and is a plurality of it all follows to give the pencil insert the axial setting of a section of thick bamboo, and is a plurality of give pencil and a plurality of outer medicine hole one-to-one and intercommunication, it has a plurality of branch medicine holes to open along length direction to give the pencil, the cross sectional dimension who gives the pencil is less than the cross sectional dimension after the gasbag aerifys.
Optionally, the insertion end of the insertion tube is detachably connected with a silica gel head, and the end face of the silica gel head is an arc surface; the one end intercommunication that the sampling tube is close to the storehouse of aerifing has the sampling tube, the sampling tube stretches out the blind end of an insertion section of thick bamboo, the silica gel head is opened there is the seal groove, the sampling tube with seal groove is sealed and sliding fit.
Optionally, still include sample detection device, sample detection device is equipped with a plurality of sample grooves, the sample groove is used for inserting the blind end of an insertion section of thick bamboo, be equipped with the negative pressure machine in the sample detection device, the negative pressure machine with the sample groove intercommunication.
Compared with the prior art, the invention has the following advantages and beneficial effects:
according to the secretion sampling device for the obstetrics and gynecology department, the insertion cylinder is arranged, and the air bags are laid on the outer wall of the insertion cylinder, so that the outer diameter of the sampling device can be increased by inflating the air bags, the diameter of the sampling device inserted into the vagina is effectively reduced, the pain of a patient is preliminarily reduced, the pain of the patient is further reduced by adopting a mode that the vagina is gradually opened by inflating the air bags, and the elastic air bags can also protect the inner wall of the vagina; on the basis, a plurality of air bags are laid at intervals, so that a sampling groove is formed between the air bags, when the sampling device is inserted into a vagina, the air bags are inflated, the inner wall of the vagina is gradually propped up while the air bags swell, the inner wall of the vagina positioned between the air bags is also propped up at the moment and is separated from the sampling groove, and secretion is sucked through an outer sampling hole positioned in the sampling groove, so that the outer sampling hole can be effectively prevented from being blocked by the attachment of the inner wall of the vagina, and the sampling efficiency is stabilized; on the basis, the sampling cylinder and the inflating piston are arranged, the inserting end of the inserting cylinder is closed to form an inflating bin, air in the inflating bin can be compressed by pushing and pressing the sampling cylinder, and the air is pressed into the air bag to inflate; through setting up the sampling piston in the sampler barrel, can implement the secretion sample through push-and-pull sampling piston to seal up the secretion in the sampler barrel, through setting up outer sampling hole and interior sampling hole, make both stagger relatively or align, guarantee to aerify and just can implement the sample after accomplishing, and sample hole staggers with outer sampling hole in the gasbag gassing back, the sampler barrel seals, makes the secretion of gathering seal up and deposits in the sampler barrel, prevents that the secretion from leaking.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic view of a gynecological secretion sampling device provided in the present invention;
FIG. 2 is a sectional view of the gynecological secretion sampling device of the present invention inserted into the vagina;
FIG. 3 is a partial cross-sectional view of the bowl of the gynecological secretion sampling device provided in the present invention;
FIG. 4 is a schematic view of a squeezing barrel of the gynecological secretion sampling device provided in the present invention;
FIG. 5 is a schematic view of a sampling cylinder of the gynecological secretion sampling device provided in the present invention;
FIG. 6 is a schematic view of a bowl of the gynecological secretion sampling device provided in the present invention;
FIG. 7 is a sectional view of the gynecological secretion sampling device of the present invention when the inflation is completed;
FIG. 8 is a sectional view of the gynecological secretion sampling device of the present invention at the completion of sampling;
FIG. 9 is a sectional view of the gynecological secretion sampling device of the present invention at the completion of administration;
FIG. 10 is a sectional view of the gynecological secretion sampling device of the present invention ready for withdrawal;
FIG. 11 is a sectional view of the gynecological secretion sampling device inserted into the specimen testing device according to the present invention;
fig. 12 is a schematic view of a sample detection device of the secretion sampling device for obstetrics and gynecology department according to the present invention.
Reference numbers and corresponding part names in the figures:
10-an insertion cartridge; 11-external sampling wells; 12-an inflation hole; 13-inflating the bin; 131-an elastic reset member; 14-a grooved drum; 141-through slots; 142-closing the groove; 15-external administration hole; 16-an administration tube; 161-medicine distributing holes; 17-a first handle tray; 20-air bag; 21-a sampling trench; 30-a sampling tube; 31-inner sampling hole; 32-a charge piston; 33-pressure bearing teeth; 34-a first limiting chute; 35-a ring groove; 40-a sampling piston; 401-a first stopper; 41-a pull rod; 50-an extrusion cylinder; 51-pressing teeth; 52-a medicine storage bin; 53-internal administration hole; 54-a second limiting chute; 55-a dosing piston; 551-a second stopper; 56-a second handle tray; 57-end cap; 60-a silica gel head; 61-sampling tube; 62-a seal groove; 70-a sample detection device; 71-sampling tank.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Examples
Referring to fig. 1, 2, 7 and 8, an gynecological secretion sampling device according to an embodiment of the present invention includes an insertion tube 10, wherein the insertion tube 10 is used for being inserted into a vagina, an insertion end of the insertion tube 10 is closed, and a plurality of external sampling holes 11 and a plurality of air charging holes 12 are formed in the insertion end; the second sample tube comprises a plurality of air bags 20, the air bags 20 correspond to and are communicated with the inflation holes 12 one by one, the air bags 20 are laid on the outer wall of the insertion tube 10 at intervals so as to form sampling grooves 21 between the air bags 20, and the outer sampling holes 11 are all arranged in the sampling grooves 21; the third includes sampler barrel 30, sampler barrel 30 slip suit in the insertion section of thick bamboo 10, the airtight setting of the end of inserting of sampler barrel 30 and be equipped with inflatable piston 32, so that inflatable piston 32 with form inclosed inflation storehouse 13, a plurality of between the end of inserting of insertion section of thick bamboo 10 inflation hole 12 all with inflation storehouse 13 intercommunication, sampler barrel 30 opens has a plurality of interior sample holes 31, and a plurality of interior sample holes 31 and a plurality of outer sample hole 11 one-to-one, and during initial condition, a plurality of interior sample holes 31 and a plurality of outer sample hole 11 stagger the setting, and from a plurality of outer sample holes 11 of inner closure through inflatable piston 32 or the lateral wall of sampler barrel 30, when promoting sampler barrel 30, make a plurality of interior sample holes 31 slide to with a plurality of when outer sample hole 11 corresponds the intercommunication, a plurality of gasbag 20 accomplishes and aerifys and expands, be equipped with sampling piston 40 in the sampler barrel 30, sampling piston 40 is used for changing the internal pressure of sampler barrel 30 utilizes the negative pressure to extract the secretion.
According to the secretion sampling device for the obstetrics and gynecology department provided by the embodiment of the invention, the insertion cylinder 10 is arranged, and the air bags 20 are laid on the outer wall of the insertion cylinder 10, so that the outer diameter of the sampling device can be increased by inflating the air bags 20, the diameter of the sampling device inserted into the vagina is effectively reduced, the pain of a patient is preliminarily reduced, the pain of the patient is further reduced by adopting a mode that the air bags 20 are inflated to gradually open the vagina, and the elastic air bags 20 can also protect the inner wall of the vagina; on the basis, a plurality of air bags 20 are laid at intervals, so that a sampling groove 21 is formed between the air bags 20 and the air bags 20, when the sampling device is inserted into a vagina, the air bags 20 are inflated, the air bags 20 expand and gradually expand the inner wall of the vagina, the inner wall of the vagina between the air bags 20 is also supported together and is separated from the sampling groove 21, and then secretion is sucked through an outer sampling hole 11 in the sampling groove 21, so that the inner wall of the vagina can be effectively prevented from being attached to and blocking the outer sampling hole 11, and the sampling efficiency is stabilized; on the basis, the sampling cylinder 30 and the inflating piston 32 are arranged, the inserting end of the inserting cylinder 10 is closed to form the inflating bin 13, the air in the inflating bin 13 can be compressed by pushing the sampling cylinder 30, and the air is pressed into the air bag 20 to form Shi Chongqi; by arranging the sampling piston 40 in the sampling cylinder 30, secretion sampling can be implemented by pushing and pulling the sampling piston 40, and the secretion is sealed in the sampling cylinder 30, by arranging the outer sampling hole 11 and the inner sampling hole 31, the outer sampling hole 11 and the inner sampling hole 31 can be staggered or aligned relatively, sampling can be implemented after inflation is completed, the outer sampling hole 11 is sealed by the side wall of the inflating piston 32 or the sampling cylinder 30 from the inside when inflation is not completed, only the inner sampling hole 31 in the state of inflation completion can be communicated with the outer sampling hole 11, and the inner sampling hole 31 is staggered with the outer sampling hole 11 after the air bag 20 is deflated, the outer sampling hole 11 is sealed, the sampling cylinder 30 is sealed, the collected secretion is sealed in the sampling cylinder 30, and secretion leakage is prevented.
It should be noted that the air bag 20 can be made of any available elastic film material, such as silica gel, latex, rubber, etc., and is attached to the outer wall of the insertion tube 10 due to elastic contraction when not inflated, and then expands elastically after inflated; any film material without stretchability, such as soft plastic, which is attached to the outer wall of the insertion tube 10 due to internal negative pressure when it is not inflated, and is inflated by air to expand it, may also be used.
Referring to fig. 3 to fig. 6 on the basis of fig. 2, in order to fix the inflated state of the air bag 20 and facilitate switching between the inflated state and the deflated state, a grooved drum 14 is fixedly connected to the inner wall of the insertion drum 10, a plurality of through grooves 141 and a plurality of closed grooves 142 are annularly formed in the grooved drum 14, and the plurality of through grooves 141 and the plurality of closed grooves 142 are arranged at intervals; a plurality of pressure-bearing teeth 33 are annularly arranged at one end, away from the inflating bin 13, of the sampling cylinder 30, the pressure-bearing teeth 33 can slide to the bottom of the groove along the through groove 141, at the moment, a plurality of air bags 20 deflate, the closed groove 142 can block the axial movement of the pressure-bearing teeth 33 along the groove cylinder 14, at the moment, the plurality of air bags 20 inflate and expand, and the plurality of outer sampling holes 11 are correspondingly communicated with the plurality of inner sampling holes 31; an extrusion cylinder 50 is slidably sleeved in the insertion cylinder 10, one end of the extrusion cylinder 50, which is close to the sampling cylinder 30, is in sliding fit with the grooved cylinder 14, a plurality of pressure teeth 51 are annularly arranged, the pressure teeth 51 are used for extruding the pressure-bearing teeth 33, and the tooth surface of the pressure-bearing teeth 33 is an inclined surface, so that the pressure-bearing teeth 33 can drive the sampling cylinder 30 to rotate step by step, and the pressure-bearing teeth 33 are switched between the adjacent through grooves 141 and the closed grooves 142; an elastic resetting piece 131 is arranged in the inflating bin 13, and the elastic resetting piece 131 can push the pressure-bearing teeth 33 into the through grooves 141 or the closed grooves 142.
Through the arrangement, in an initial state, the pressure-bearing teeth 33 are all located in the corresponding through grooves 141, when inflation is needed, the extruding cylinder 50 is pushed to be close to the sampling cylinder 30 until the pressure-bearing teeth 51 are in contact with the pressure-bearing teeth 33 and extrude the pressure-bearing teeth 33, the extruded pressure-bearing teeth 33 drive the sampling cylinder 30 to move axially until the pressure-bearing teeth 33 exit from the through grooves 141, at this time, the pressure-bearing teeth 51 continue to extrude the pressure-bearing teeth 33, the extrusion force can generate a horizontal component force due to the inclined surface of the pressure-bearing teeth 33, the pressure-bearing teeth 33 are horizontally pushed to move, the sampling cylinder 30 is driven to rotate step by a certain angle, the pressure-bearing teeth 33 are aligned with the closed grooves 142, at this time, the thrust applied to the extruding cylinder 50 is removed, the elastic resetting piece 131 pushes the sampling cylinder 30 to slide axially and reversely, the pressure-bearing teeth 33 fall into the corresponding closed grooves 142, further displacement of the pressure-bearing teeth 33 is limited by the closed grooves 142, further axial displacement of the sampling cylinder 30 is limited by the closed grooves 142, at this time, the inflation cabin 13 is in an extrusion state, the airbag 20 completes inflation, the inner sampling hole 31 is communicated with the outer sampling hole 11, and the sampling piston 40 is ready for sampling; after sampling is finished and the sampling device needs to be pulled out, the extrusion cylinder 50 is pushed again to be close to the sampling cylinder 30 until the pressure teeth 51 are contacted with the pressure-bearing teeth 33 and press the pressure-bearing teeth 33, the extruded pressure-bearing teeth 33 drive the sampling cylinder 30 to move axially until the pressure-bearing teeth 33 retreat out of the closed grooves 142, at the moment, the pressure teeth 51 continue to extrude the pressure-bearing teeth 33, the extrusion force can generate horizontal component force due to the inclined surfaces of the pressure-bearing teeth 33, the pressure-bearing teeth 33 are pushed horizontally to move, the sampling cylinder 30 is driven to rotate in a stepping mode by a certain angle, the pressure-bearing teeth 33 are aligned with the through grooves 141 again, at the moment, the thrust applied to the extrusion cylinder 50 is removed, the elastic resetting piece 131 pushes the sampling cylinder 30 to slide in the axial direction in the reverse direction, the pressure-bearing teeth 33 fall into the corresponding groove bottoms of the through grooves 141, at the moment, the air charging bin 13 returns to the initial state, the air bag 20 finishes air discharging, the inner sampling hole 31 is staggered with the outer sampling hole 11, the sampling cylinder 30 is sealed, and the obtained secreted liquid is stored in the sealed sampling cylinder 30.
It should be noted that the elastic restoring member 131 may be any elastic member in the prior art, such as a spring, a hydraulic rod, a rubber block, etc., and in this embodiment, a spring is used.
Referring to fig. 2, 7 and 8, in order to fully utilize the structure of the container 50 and avoid the complicated structure caused by adding too many structures for individually controlling the sampling piston 40, the sampling piston 40 is connected with a pull rod 41, the pull rod 41 penetrates through the sampling container 30 and is connected with the container 50, and the inner sampling holes 31 are opened on the side of the sampling piston 40 away from the container 50.
Through the above arrangement, after the air bag 20 is inflated, the extruding cylinder 50 is pulled outwards, and the sampling piston 40 can be driven to move by moving the pull rod 41, so that negative pressure is formed in the sampling cylinder 30 to implement sampling, and the structure for controlling the sampling piston 40 is not required to be arranged independently, so that the structure is avoided being too complex.
Referring to fig. 8, in order to position the sampling piston 40 after sampling is performed and prevent the sampling piston 40 from being sucked back possibly to cause outflow of collected secretion, the sampling piston 40 is convexly provided with a plurality of first limiting blocks 401, the inner wall of the sampling cylinder 30 is provided with a plurality of first limiting sliding grooves 34 along the axial direction of the sampling cylinder 30, the plurality of first limiting sliding grooves 34 are in one-to-one correspondence with the plurality of first limiting blocks 401 and are in sliding fit with the plurality of first limiting blocks 401, the inner wall of the sampling cylinder 30 close to one end of the extrusion cylinder 50 is provided with an annular groove 35, the plane of the annular groove 35 is perpendicular to the axial direction of the sampling cylinder 30, the annular groove 35 is communicated with the plurality of first limiting sliding grooves 34, and the plurality of first limiting blocks 401 can slide along the annular groove 35.
Through the aforesaid setting, the in-process of pulling sample piston 40 sample, a plurality of first stoppers 401 slide along first spacing spout 34, inhale the sampler barrel 30 with bleeding gradually in, the first stopper 401 of in-process is close to annular 35 gradually, when first stopper 401 slips into annular 35, rotate the recipient 50, drive pull rod 41 and rotate, it rotates to drive sample piston 40, it slides along annular 35 to drive first stopper 401, thereby make first stopper 401 block in annular 35, make the axial motion that first stopper 401 can't follow sampler barrel 30, thereby restriction sample piston 40 is along the axial motion of sampler barrel 30, realize sample piston 40's location, stop sample piston 40 to take place the resorption, effectively prevent inspiratory bleeding outflow.
In order to further utilize the structure of recipient 50, the one end of recipient 50 is sealed, be equipped with in the recipient 50 and give medicine piston 55, so that give medicine piston 55 with form confined medicine storehouse 52 between the blind end of recipient 50, recipient 50 is opened has a plurality of interior dosing holes 53, and is a plurality of interior dosing holes 53 all with medicine storehouse 52 intercommunication, insert a section of thick bamboo 10 and open and have a plurality of outer dosing holes 15, a plurality of outer dosing holes 15 with a plurality of interior dosing holes 53 one-to-one, and can correspond the intercommunication.
Through the arrangement, after the step of sucking the secretion is completed, the extruding cylinder 50 is slid, the position of the extruding cylinder is adjusted, the inner administration hole 53 is communicated with the outer administration hole 15, then the administration piston 55 is moved, the medicine storage bin 52 is extruded through the administration piston 55, and the liquid medicine or ointment in the medicine storage bin 52 is extruded out along the direction from the inner administration hole 53 to the outer administration hole 15 and acts on the inner wall of the vagina.
It should be noted that the medicines in the medicine storage 52 can be selected according to the actual condition of the patient, and can be generally used for preparing anti-inflammatory medicines, pain-relieving medicines, etc., and can also be filled with lubricating liquid, so as to facilitate the taking out of the sampling device.
It should be noted that the trailing end of the insertion tube 10 extends radially outwardly to form a first grip disk 17, which on the one hand prevents the entire device from entering the vagina and on the other hand facilitates the user's grip and application of force, while the trailing end of the squeeze tube 50 extends radially outwardly to form a second grip disk 56.
It should be noted that the tail end of the container 50 is sealed by an end cap 57, and the end cap 57 is detachably connected (e.g., screwed or clamped) with the container 50, so as to facilitate the dosing in the drug storage chamber 52.
Because the extrusion cylinder 50 is inevitably pulled outwards when sampling operation is carried out, and meanwhile, the extrusion cylinder 50 is inevitably pushed inwards when deflation operation is carried out, in order to further utilize the action and further simplify the push-pull structure of the administration piston 55, the pull rod 41 penetrates through the extrusion cylinder 50 and is connected with the administration piston 55, a plurality of second limit blocks 551 are convexly arranged on the administration piston 55, a plurality of second limit sliding chutes 54 are arranged on the inner wall of the extrusion cylinder 50 along the axial direction of the extrusion cylinder 50, and the plurality of second limit sliding chutes 54 are in one-to-one correspondence with the plurality of second limit blocks 551 and are in sliding fit with the second limit blocks 551.
Through the above-mentioned setting, still implement the sample through the mode of drawing recipient 50 outward, then only need to rotate recipient 50 certain angle, because second stopper 54 blocks all the time in the spacing spout 54 of second, pivoted recipient 50 must drive piston 55 of dosing and rotate, must drive pull rod 41 and rotate, then drive sampling piston 40 and rotate, thereby make first stopper 401 slide along annular groove 35, can implement the spacing operation of the above-mentioned sampling piston 40 of content, then, only need inwards promote recipient 50, because sampling piston 40 axial spacing is fixed, lead to dosing piston 55 axial spacing fixed, consequently, promote recipient 50's in-process piston 55 of dosing and all the time, both take place the relative slip, extrude medicine storage 52, can implement the medicine when interior dosing hole 53 slides to communicate with outer dosing hole 15, continue to promote recipient 50, can implement the gassing step of gasbag 20, the whole process links up in order.
In order to optimize the administration structure, when the pressure-bearing tooth 33 is located close in the groove 142, just first stopper 401 is located in the annular 35, just give medicine the piston 55 with the recipient 50 is close to when the one end butt of recipient 30, it is a plurality of interior dosing hole 53 all with correspond outer dosing hole 15 intercommunication, it is a plurality of outer dosing hole 15 all follows the axial extension that inserts the section of thick bamboo 10 is the bar hole, at this moment, works as the recipient 50 orientation the recipient 30 slides, and is a plurality of interior dosing hole 53 all follows the correspondence outer dosing hole 15 slides.
Through setting up outer dosing hole 15 for the bar hole to restrict above-mentioned specific position relation, make whole in-process of inwards promoting recipient 50, interior dosing hole 53 communicates with outer dosing hole 15 all the time, prevents that the process instantaneous flow of dosing is too big.
Referring to fig. 1, in order to optimize the structure of the air bags 20 and increase the acting area of the liquid medicine, a plurality of the air bags 20 are strip-shaped and are all laid along the axial direction of the insertion tube 10, an administration tube 16 is laid between every two adjacent air bags 20, a plurality of administration tubes 16 are all arranged along the axial direction of the insertion tube 10, a plurality of administration tubes 16 are in one-to-one correspondence and communication with a plurality of outer administration holes 15, a plurality of medicine distribution holes 161 are formed in the administration tubes 16 along the length direction, and the cross-sectional size of the administration tubes 16 is smaller than that of the air bags 20 after being inflated.
Through the setting, reduce the frictional force of contact surface, promote the smooth degree when inserting and taking out, administer the area that the pipe 16 can effectively promote to dose, restrict to administer the cross sectional dimension of pipe 16, avoid it to be higher than gasbag 20 after aerifing, avoid its and vagina inner wall direct contact.
Referring to fig. 1 and 2, in order to prevent the inner wall of the vagina from being scratched when being inserted, a silicone head 60 is detachably connected to an insertion end of the insertion cylinder 10, and an end surface of the silicone head 60 is an arc surface; one end of the sampling tube 30 close to the inflating chamber 13 is communicated with a sampling tube 61, the sampling tube 61 extends out of the closed end of the insertion tube 10, the silica gel head 60 is provided with a sealing groove 62, and the sampling tube 61 is in sealing and sliding fit with the sealing groove 62.
Can effectively prevent the fish tail through setting up silica gel head 60, simultaneously, the seal groove 62 of silica gel head 60 can seal sampling tube 61 all the time (sampling tube 61 inserts the seal groove 62 depths when aerifing, returns shallow department after the gassing), keep sampling tube 30 all the time and only this department entry of interior sampling hole 31, after sampling device extracts, when the secretion that needs to obtain takes out, only need lift silica gel head 60 off, make sampling tube 61 expose, the secretion can flow through sampling tube 61. In order to accelerate the rate of the bleeding liquid extraction, an inflation step can be performed first, so that the inner sampling hole 31 is communicated with the outer sampling hole 11, the sampling tube 61 extends further, the sampling tube 61 is vertically downward, and the inner sampling hole 31 is communicated with the outer sampling hole 11, so that the situation that the separation liquid in the sampling tube 30 cannot flow out through the sampling tube 61 due to atmospheric pressure can be effectively prevented.
Referring to fig. 12, in order to detect the obtained secretion and further accelerate the outflow speed of the secretion, a sample detection device 70 is further included, the sample detection device 70 is provided with a plurality of sampling grooves 71, the sampling grooves 71 are used for being inserted into the closed end of the insertion tube 10, and a negative pressure machine (not shown) is arranged in the sample detection device 70 and is communicated with the sampling grooves 71.
Through setting up the negative pressure machine, can with the secretion quick suction in the sampling tube 30, and reduce the residual amount of the secretion in the sampling tube 30 by a wide margin, during the use, lift off silica gel head 60 earlier, then will insert a section of thick bamboo 10 and insert sampling groove 71, then implement the step of aerifing, make interior sampling hole 31 and outer sampling hole 11 intercommunication, then open the negative pressure machine can.
It should be noted that the charging step must be performed before the negative pressure machine is turned on, otherwise the sampling tube 30 has only one outlet of the sampling tube 61 and cannot suck out the secretion in the sampling tube 30.
It should be noted that the mechanism related to the detection of the sample detection device 70 may be any one of the mechanisms in the prior art, and only the secretion can be detected, and the specific structure is not related to the main invention point of the present invention and will not be elaborated herein.
The using steps of the device are as follows:
s1, checking the state of the sampling device to ensure that the sampling device is in a deflation state, and inserting the sampling device into the vagina of a patient as shown in figure 2;
s2, grasping the end part of the insertion barrel 10, pushing the extrusion barrel 50 inwards, and inflating air, as shown in figure 7;
s3, grasping the end part of the insertion barrel 10, pulling the extrusion barrel 50 outwards, and sampling as shown in figure 8;
s4, grasping the end part of the insertion cylinder 10, and rotating the extrusion cylinder 50 (the rotation angle is 90 degrees) to limit the sampling piston 40, as shown in FIG. 8;
s5, grasping the end part of the insertion barrel 10, pushing the extrusion barrel 50 inwards, and administering the medicine, as shown in figure 9;
s6, grasping the end of the insertion tube 10, continuously pushing the extrusion tube 50 inwards to perform deflation, then releasing the extrusion tube 50, and ejecting the extrusion tube 50, as shown in FIG. 10;
s7, grasping the end part of the insertion cylinder 10 and pulling out the whole sampling device;
s8, removing the silica gel head 60 of the sampling device, inserting the insertion end of the sampling device into the sampling groove 71 of the sample detection device 70, pushing the extrusion cylinder 50 inwards, inflating to enable the inner sampling hole 31 to be communicated with the outer sampling hole 11, and starting a negative pressure machine to extract secretion;
s9, detecting secretion.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A secretion sampling device for obstetrics and gynecology department, characterized by comprising:
the vaginal dilator is characterized by comprising an insertion barrel (10), wherein the insertion barrel (10) is used for being inserted into a vagina, the insertion end of the insertion barrel (10) is arranged in a closed mode, and a plurality of outer sampling holes (11) and a plurality of inflation holes (12) are formed in the insertion end;
the air bags (20) are in one-to-one correspondence and communication with the inflation holes (12), the air bags (20) are laid on the outer wall of the insertion barrel (10) at intervals so as to form sampling grooves (21) among the air bags (20), and the outer sampling holes (11) are all arranged in the sampling grooves (21);
sampling tube (30), sampling tube (30) slip suit in insert in section of thick bamboo (10), the airtight setting of inserting of the end of sampling tube (30) is equipped with and aerifys piston (32), so that aerify piston (32) with insert and form inclosed inflation storehouse (13) between the end of inserting of section of thick bamboo (10), a plurality of aerify hole (12) all with it communicates to aerify storehouse (13), sampling tube (30) are opened and are had a plurality of interior sampling hole (31), and sampling hole (31) and a plurality of in a plurality of outer sampling hole (11) one-to-one, and is as a plurality of interior sampling hole (31) and a plurality of when outer sampling hole (11) correspond the intercommunication, a plurality of inflation is aerifyd in gasbag (20), be equipped with sampling piston (40) in sampling tube (30), sampling piston (40) are used for changing the internal pressure of sampling tube (30) utilizes the negative pressure to extract the secretion.
2. The gynecological secretion sampling device according to claim 1, wherein a grooved drum (14) is fixedly connected to the inner wall of the insertion drum (10), a plurality of through grooves (141) and a plurality of closed grooves (142) are annularly formed in the grooved drum (14), and the plurality of through grooves (141) and the plurality of closed grooves (142) are arranged at intervals;
one end, far away from the inflating bin (13), of the sampling cylinder (30) is annularly provided with a plurality of pressure-bearing teeth (33), the pressure-bearing teeth (33) can slide to the bottom of the groove along the through groove (141), at the moment, the plurality of air bags (20) deflate, the closed groove (142) can block the axial movement of the pressure-bearing teeth (33) along the groove cylinder (14), at the moment, the plurality of air bags (20) inflate and expand, and the plurality of outer sampling holes (11) are correspondingly communicated with the plurality of inner sampling holes (31);
an extrusion cylinder (50) is slidably sleeved in the insertion cylinder (10), one end, close to the sampling cylinder (30), of the extrusion cylinder (50) is annularly provided with a plurality of pressing teeth (51), the pressing teeth (51) are used for extruding the pressure-bearing teeth (33), and the tooth surface of the pressure-bearing teeth (33) is an inclined surface, so that the pressure-bearing teeth (33) can drive the sampling cylinder (30) to rotate step by step, and the pressure-bearing teeth (33) are switched between the adjacent through grooves (141) and the closed grooves (142);
be equipped with elasticity piece (131) that resets in the storehouse of aerifing (13), elasticity piece (131) that resets can with pressure-bearing tooth (33) push through groove (141) or in closed groove (142).
3. The gynecological secretion sampling device according to claim 2, wherein the sampling piston (40) is connected with a pull rod (41), the pull rod (41) penetrates through the sampling cylinder (30) and is connected with the extrusion cylinder (50), and the inner sampling holes (31) are formed in one side of the sampling piston (40) far away from the extrusion cylinder (50).
4. The gynecological secretion sampling device according to claim 3, wherein a plurality of first limiting blocks (401) are convexly arranged on the sampling piston (40), a plurality of first limiting sliding grooves (34) are arranged on the inner wall of the sampling tube (30) along the axial direction of the sampling tube (30), the first limiting sliding grooves (34) correspond to the first limiting blocks (401) in a one-to-one and are in sliding fit with the first limiting blocks, an annular groove (35) is arranged on the inner wall of one end, close to the extrusion cylinder (50), of the sampling tube (30), the annular groove (35) is communicated with the first limiting sliding grooves (34), and the first limiting blocks (401) can slide along the annular groove (35).
5. The gynecological secretion sampling device according to claim 4, wherein one end of the extrusion cylinder (50) is closed, a drug delivery piston (55) is arranged in the extrusion cylinder (50), so that a closed drug storage bin (52) is formed between the drug delivery piston (55) and the closed end of the extrusion cylinder (50), a plurality of inner drug delivery holes (53) are formed in the extrusion cylinder (50), the inner drug delivery holes (53) are communicated with the drug storage bin (52), a plurality of outer drug delivery holes (15) are formed in the insertion cylinder (10), and the outer drug delivery holes (15) are in one-to-one correspondence with the inner drug delivery holes (53) and can be communicated with the inner drug delivery holes in a corresponding manner.
6. The gynecological secretion sampling device according to claim 5, wherein the pull rod (41) penetrates through the extrusion cylinder (50) and is connected with the drug delivery piston (55), the drug delivery piston (55) is provided with a plurality of second limiting blocks (551) in a protruding manner, the inner wall of the extrusion cylinder (50) is provided with a plurality of second limiting sliding grooves (54) along the axial direction of the extrusion cylinder (50), and the plurality of second limiting sliding grooves (54) are in one-to-one correspondence with the plurality of second limiting blocks (551) and are in sliding fit with the plurality of second limiting blocks.
7. The gynecological secretion sampling device according to claim 6, wherein when the pressure-bearing teeth (33) are located in the closed grooves (142), the first limiting blocks (401) are located in the ring grooves (35), and the drug delivery piston (55) abuts against one end of the extrusion cylinder (50) close to the sampling cylinder (30), the inner drug delivery holes (53) are all communicated with the corresponding outer drug delivery holes (15), the outer drug delivery holes (15) are all strip-shaped holes along the axial extension of the insertion cylinder (10), and at the time, when the extrusion cylinder (50) slides towards the sampling cylinder (30), the inner drug delivery holes (53) all slide along the corresponding outer drug delivery holes (15).
8. The gynecological secretion sampling device according to any one of claims 5 to 7, wherein a plurality of the air bags (20) are strip-shaped and are all laid along the axial direction of the insertion tube (10), an administration tube (16) is laid between every two adjacent air bags (20), the administration tubes (16) are all arranged along the axial direction of the insertion tube (10), the administration tubes (16) are in one-to-one correspondence and communication with the outer administration holes (15), the administration tube (16) is provided with a plurality of medicine distribution holes (161) along the length direction, and the cross-sectional dimension of the administration tube (16) is smaller than that of the air bags (20) after inflation.
9. The gynecological secretion sampling device according to any one of claims 1 to 7, wherein a silicone head (60) is detachably connected to the insertion end of the insertion cylinder (10), and the end face of the silicone head (60) is a circular arc surface;
sampling tube (30) are close to the one end intercommunication in storehouse (13) of aerifing has sampling tube (61), sampling tube (61) stretch out insert the blind end of a section of thick bamboo (10), silica gel head (60) are opened there is seal groove (62), sampling tube (61) with seal groove (62) are sealed and sliding fit.
10. The gynecological secretion sampling device according to claim 9, further comprising a sample detection device (70), wherein the sample detection device (70) is provided with a plurality of sampling grooves (71), the sampling grooves (71) are used for being inserted into the closed end of the insertion cylinder (10), and a negative pressure machine is arranged in the sample detection device (70) and is communicated with the sampling grooves (71).
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| CN115919374B (en) * | 2023-02-22 | 2023-05-05 | 潍坊医学院附属医院 | Gynecological secretion sampling and detecting device |
| CN116650031B (en) * | 2023-07-28 | 2023-12-29 | 苏州大学附属第二医院 | Nephrology department focus sampling device based on it can diagnose to insert |
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