CN109602378B - Quick replaceable disposable film type ear-nose-throat endoscope sheath device - Google Patents
Quick replaceable disposable film type ear-nose-throat endoscope sheath device Download PDFInfo
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- CN109602378B CN109602378B CN201811255254.2A CN201811255254A CN109602378B CN 109602378 B CN109602378 B CN 109602378B CN 201811255254 A CN201811255254 A CN 201811255254A CN 109602378 B CN109602378 B CN 109602378B
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- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00142—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with means for preventing contamination, e.g. by using a sanitary sheath
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Abstract
The invention relates to a disposable membrane type otolaryngoscopy sheath device capable of being replaced quickly, wherein a protective sleeve, a clamping body and a gasket sponge sheath are arranged on a main body through an upper nut and a lower nut, the device is sealed aseptically before use, the seal is torn off when in use, one end of the otolaryngoscopy with a probe is inserted into the device from the lower end of the lower nut and gradually props against the bottom of the protective sleeve from the inside to move outwards, meanwhile, a bag body of the protective sleeve with a support rib turned outwards is pulled and unfolded to be sleeved on a rod body of the otolaryngoscopy to play a role in protection and isolation, after the protective sleeve is pulled to a certain length, the lower nut is screwed to press the clamping body to clamp the rod body of the otolaryngoscopy so that the device and the otolaryngoscopy are relatively fixed, then, corresponding examination or treatment is carried out on a patient through the otolaryngoscopy speculum, the device is directly discarded after completion, and the device is disposable, the ear-nose-throat sight glass does not need to be sterilized and disinfected, and is safe, sanitary, continuous and quick.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a disposable membrane type otolaryngoscopic sheath device capable of being replaced quickly.
Background
Since the advent of endoscopes, the endoscope has been widely used for otolaryngological observation and diagnosis, and can be generally inserted into the otolaryngological part and the like, thereby providing a visual access for doctors, in the otolaryngological endoscope in the prior art, when in use, each patient needs to be sterilized after use, so as to prevent cross infection, sterilization and disinfection in hospitals need a certain time, thus some endoscope insertion tubes need to be replaced for use, and the problem that the insertion tube of the endoscope is replaced for each detection, and the replacement is taken to sterilize and disinfect, thereby causing high inspection cost and overlong inspection preparation time, and directly influencing the work efficiency of inspectors; this problem remains to be solved.
Disclosure of the invention
In order to solve the problems, the invention provides a disposable membrane type otorhinolaryngological endoscope sheath device capable of being replaced quickly.
The specific contents are as follows: the disposable membrane type otorhinolaryngology speculum sheath device capable of being replaced quickly comprises an upper nut, a main body, a protective sleeve, a clamping body, a gasket sponge sleeve and a lower nut; the novel clamping device is characterized in that the main body is a cylinder with a coaxial cylindrical through hole, cylindrical grooves coaxial with the main body are symmetrically arranged at two ends of the main body, an internal thread is arranged on the side surface of each cylindrical groove, a thin-wall cylinder extending outwards is arranged on the bottom surface of one cylindrical groove in the main body, the thin-wall cylinder and the main body are coaxial, the inner diameter of the thin-wall cylinder is the same as that of the through hole, a plurality of claw strips which are uniformly distributed along the circumference and gradually shrink towards the center in the axially outward direction are arranged at the upper end of the thin-wall cylinder, a cutting seam is arranged between the claw strips, and an annular boss is arranged on the bottom surface of the other cylindrical groove;
the upper nut comprises a top plate and an upper connecting body, the top plate and the upper connecting body are both cylindrical, the upper connecting body is coaxially fixed on one end face of the top plate, a step hole which is coaxial and penetrates through the top plate and the upper connecting body is arranged on the upper nut, an external thread matched with the internal thread on the main body is arranged on the side face of the upper connecting body, the upper nut is fixedly connected with the internal thread on one end of the main body where the thin-wall cylinder is located through the external thread on the upper connecting body, the end face of the free end of the upper connecting body is attached to the bottom face of the cylindrical groove, an annular protective sleeve storage area is formed between the free end of the upper connecting body and the root of the thin-wall cylinder, and an annular protective sleeve;
the protective sleeve is made of an elastic film and is in a bag shape with one open end, a support rib is arranged at the open end of the protective sleeve, the bag body of the protective sleeve is turned and rolled up through the support rib by the protective sleeve, the rolled protective sleeve is sleeved on a thin-wall cylinder on the main body, the bottom of the protective sleeve is tightly attached to the upper end of the thin-wall cylinder, the support rib and the bag body of the rolled protective sleeve are placed in a protective sleeve storage area formed after an upper nut is connected with the main body, and the bag body of the protective sleeve sleeved on the thin-wall cylinder penetrates through;
the clamping bodies comprise arc-shaped clamping rings and push rods, the push rods are vertically fixed on the clamping rings along the diameter direction of the clamping rings, the clamping rings and the push rods form a Y shape, a layer of rubber pad is arranged on the inner surface of the clamping rings, two left-right symmetrical barb-shaped elastic sheets are arranged on the push rods, an included angle formed by the two elastic sheets faces the clamping rings, two clamping body mounting grooves which are matched with the profiles of the clamping bodies and are in left-right symmetry are arranged on an annular boss on the main body, the two clamping bodies are correspondingly mounted in the clamping body mounting grooves, the circle centers corresponding to the clamping rings of the two clamping bodies are on the axis of the main body, the clamping bodies are clamped in the clamping body mounting grooves through the elastic sheets and have outward elastic thrust on the push rods, the clamping rings can slide towards the centers of the annular bosses, and the free ends of the push rods of each clamping body radially;
the gasket sponge sleeve comprises a gasket and a cylindrical sponge sleeve coaxially fixed on the gasket, the gasket on the gasket sponge sleeve is coaxially fixed on the end face of the annular boss through a screw, the inner diameter of the gasket and the inner diameter of the sponge sleeve are the same as the diameter of the through hole in the main body, and the outer diameter of the gasket is the same as the outer diameter of the annular boss;
the lower nut include connector and bottom plate down, bottom plate and lower connector are cylindricly, lower connector is coaxial to be fixed on a terminal surface of bottom plate, be equipped with on the lower nut with the axle center and run through the step hole of bottom plate and lower connector, the major diameter hole site in this step hole is in the free end of connector down, be equipped with on the side of lower connector with the main part on the internal thread assorted external screw thread, the lower nut is through the external thread on the connector down and the main part on the internal thread fixed connection that the annular boss place was served, the inboard of the major diameter hole in the step hole on the lower nut is equipped with the annular bead of a week, the bead is close to the terminal surface of connector free end down and is located the below of the last push rod of cramping body, the diameter of the minor diameter hole in the step hole on the lower nut is the same with the diameter of.
Preferably, the outer diameters of the top plate, the bottom plate and the main body are the same.
Preferably, the closed end of the protective sleeve is a high-definition transparent sheet, and the high-definition transparent sheet is connected with the bag body in a seamless mode.
Preferably, two air pipes are symmetrically arranged on the side surface of the main body, each air pipe penetrates through the main body and is communicated with the through hole, and a pressure limiting valve is arranged at the free end of one air pipe.
Preferably, the inner diameter of the convex rib is larger than the outer diameter of the gasket, the part of the push rod extending out of the annular boss is smaller than the difference between the outer diameter of the annular boss and the inner diameter of the large-diameter hole in the stepped hole of the lower connecting body, and the lower part of the free end of the push rod on each clamping body and the upper part of the inner diameter edge of the convex rib are provided with corresponding inverted arc surfaces.
Preferably, the outer end of the inner surface of the small-diameter hole in the stepped hole on the lower connecting body is provided with an inverted inclined plane gradually contracting outwards.
Preferably, the disposable membrane type otorhinolaryngological endoscope sheath device capable of being replaced quickly is stored in a sterile and sealed mode before use.
Preferably, the diameter of the supporting rib is far larger than the width of the gap of the protective strip.
The invention has the beneficial technical effects
The invention is a disposable membrane type otolaryngoscopy sheath device capable of being replaced quickly, a protective sleeve, a clamping body and a gasket sponge sleeve are arranged on a main body through an upper nut and a lower nut, the device is sterile sealed before use and is safe and sanitary, the seal is torn off when the device is used, one end of the otolaryngoscopy with a probe is inserted into the device from the lower end of the lower nut and gradually props against the bottom of the protective sleeve from the inside to move outwards, meanwhile, a bag body of the protective sleeve with a support rib being rolled is pulled outwards and unfolded to be sleeved on a rod body of the otolaryngoscopy to play a role in protection and isolation, after the protective sleeve is pulled to a certain length, the lower nut is screwed to extrude the clamping body to clamp the rod body of the otolaryngoscopy, so that the device and the otolaryngoscopy are relatively fixed, the device is prevented from slipping to influence the examination operation, and then the patient is correspondingly examined or treated through the otolaryngo, the completion back makes protective sheath and otolaryngology speculum separation at trachea access air supply, can make otolaryngology speculum and the device separation fast, directly abandons the device after the separation, and the device disposable need not to disinfect and disinfect to otolaryngology speculum, and safety and sanitation, continuous quick, the overall process of using the device only need handheld main part or upper and lower nut, avoids hand direct contact protective sheath, can prevent the artificial contact infectious bacteria.
Drawings
FIG. 1 is a schematic view of the overall structure of a disposable membrane type ear-nose-throat speculum sheath device capable of being replaced quickly;
FIG. 2 is a front view of a quick change disposable membrane otorhinolaryngological speculum sheath apparatus;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 5 is a cross-sectional view of an otorhinolaryngological speculum inserted into the present invention;
FIG. 6 is a cross-sectional view of an otolaryngoscopic lens inserted into the present invention and having a protective sheath fitted over the rod of the otolaryngoscopic lens (with the lower nut tightened upwardly);
FIG. 7 is an enlarged view of C in FIG. 3;
FIG. 8 is a perspective view of the upper nut;
FIG. 9 is a perspective view of the main body;
FIG. 10 is a schematic perspective view of the holder mounted on the body;
FIG. 11 is a perspective view of the lower nut;
FIG. 12 is a perspective view of the clamping body;
FIG. 13 is a schematic perspective view of a washer sponge case;
in the figure, 1, an upper nut, 2, a protective sleeve, 3, a main body, 4, a lower nut, 5, a clamping body, 6, a gasket sponge sleeve and 7, an ear-nose-throat speculum and alpha indicate the included angle between a claw strip and a vertical line;
11. the novel anti-theft lock comprises a top plate, 12 parts of an upper connecting body, 13 parts of a protective sleeve storage region, 14 parts of a step hole on an upper nut, 21 parts of a support rib and a bag body of a protective sleeve, 22 parts of a high-definition transparent sheet, 31 parts of an air pipe, 32 parts of a pressure limiting valve, 33 parts of a groove, 34 parts of a thin-wall cylinder and a claw strip, 35 parts of a through hole, 36 parts of an annular boss, 37 parts of a cutting seam, 41 parts of an inverted inclined plane, 42 parts of a rib, 43 parts of a step hole on a lower nut, 44 parts of a bottom plate, 45 parts of an inverted arc surface, 46 parts of a lower connecting body, 51 parts of a clamping ring, 52 parts of.
Detailed Description
First embodiment, referring to fig. 1-13, a disposable membrane type otorhinolaryngological speculum sheath device capable of being replaced quickly comprises an upper nut, a main body, a protective sleeve, a clamping body, a washer sponge sleeve and a lower nut; the main body is a cylinder with a coaxial cylindrical through hole, cylindrical grooves which are coaxial with the main body are symmetrically arranged at two ends of the main body, an internal thread is arranged on the side surface of each cylindrical groove, a thin-wall cylinder which extends outwards is arranged on the bottom surface of one of the cylindrical grooves on the main body, the thin-wall cylinder and the main body are coaxial, the inner diameter of the thin-wall cylinder is the same as that of the through hole, a plurality of claw strips which are uniformly distributed along the circumference and gradually shrink towards the center in the axially outward direction are arranged at the upper end of the thin-wall cylinder, when the otolaryngoscopic rod body passes through the otolaryngoscopic endoscope, the pulling protective sleeve is more stable, the pulling protective sleeve is ensured to be smoother, a cutting seam is arranged between the claw strips, when the device is inflated, gas can rapidly enter a space between the protective sleeve and the otolaryngoscopic endoscope from the cutting seam, the protective sleeve can be rapidly separated from the oto, an annular boss is arranged on the bottom surface of the other cylindrical groove on the main body;
the upper nut comprises a top plate and an upper connecting body, the top plate and the upper connecting body are both cylindrical, the upper connecting body is coaxially fixed on one end face of the top plate, the upper nut is provided with a step hole which is coaxial and penetrates through the top plate and the upper connecting body, the side face of the upper connecting body is provided with an external thread matched with the internal thread on the main body, the upper nut is fixedly connected with the internal thread on one end of the main body where the thin-wall cylinder is located through the external thread on the upper connecting body, the end face of the free end of the upper connecting body is attached to the bottom face of the cylindrical groove, an annular protective sleeve storage area is formed between the free end of the upper connecting body and the root of the thin-wall cylinder, the support rib and the rolled protective sleeve bag body are stored in the protective sleeve storage area before use, an annular protective sleeve gap is formed between a through hole;
the protective sleeve is made of an elastic film and is in a bag shape with an opening at one end, a supporting rib is arranged at the opening end of the protective sleeve, the bag body of the protective sleeve is turned and rolled up through the supporting rib by the protective sleeve, the rolled protective sleeve is sleeved on the thin-wall cylinder on the main body, the bottom of the protective sleeve is tightly attached to the upper end of the claw bar on the thin-wall cylinder, the supporting rib and the bag body of the rolled protective sleeve are placed in a protective sleeve storage area formed after an upper nut is connected with the main body, and the bag body of the protective sleeve sleeved on the thin-wall;
the clamping body comprises an arc-shaped clamping ring and a push rod, the push rod is vertically fixed on the clamping ring along the diameter direction of the clamping ring, the clamping ring and the push rod form a Y shape, a layer of rubber pad is arranged on the inner surface of the clamping ring, the rubber pad enables the clamping body to have a certain buffering effect when clamping an endoscope rod body, two left-right symmetrical barb-shaped elastic sheets are arranged on the push rod, an included angle formed by the two elastic sheets faces the clamping ring, two clamping body mounting grooves which are matched with the profiles of the clamping bodies and are left-right symmetrical are arranged on an annular boss on the main body, the two clamping bodies are correspondingly mounted in the clamping body mounting grooves, the circle centers corresponding to the clamping rings of the two clamping bodies are all on the axis of the main body, the clamping bodies are clamped in the clamping body mounting grooves through the elastic sheets and have outward elastic thrust force on the push rod, and the clamping bodies are always, when an external force greater than the elastic force of the elastic sheet is applied to the push rods, the clamping rings can be pushed to slide towards the centers of the annular bosses, the clamping rings on the two clamping bodies move towards the centers simultaneously to clamp the rod bodies of the ear-nose-throat specula passing through, and the free end of each clamping body push rod extends outwards along the radial direction of the annular boss;
the gasket sponge sleeve comprises a gasket and a cylindrical sponge sleeve coaxially fixed on the gasket, the gasket on the gasket sponge sleeve is coaxially fixed on the end face of the annular boss through a screw, the gasket not only limits the clamping body to prevent the clamping body from falling down, but also is used for connecting the sponge sleeve, the inner diameter of the gasket and the inner diameter of the sponge sleeve are the same as the diameter of the through hole on the main body, and the outer diameter of the gasket is the same as the outer diameter of the annular boss;
the lower nut include connector and bottom plate down, bottom plate and lower connector are cylindricly, lower connector is coaxial to be fixed on a terminal surface of bottom plate, be equipped with on the lower nut with the axle center and run through the step hole of bottom plate and lower connector, the major diameter hole site in this step hole is in the free end of connector down, be equipped with on the side of lower connector with the main part on the internal thread assorted external screw thread, the lower nut is through the external thread on the connector down and the main part on the internal thread fixed connection that the annular boss place was served, the inboard of the major diameter hole in the step hole on the lower nut is equipped with the annular bead of a week, the bead is close to the terminal surface of connector free end down and is located the below of the last push rod of cramping body, the diameter of the minor diameter hole in the step hole on the lower nut is the same with the diameter of.
The external diameter of roof, the external diameter of bottom plate and the external diameter of main part all the same, guarantee that whole device is cylindric, pleasing to the eye and easily doctor handheld.
The blind end of protective sheath be high definition transparent thin slice, high definition transparent thin slice and bag body seamless connection hug closely the camera or the shooting device of otolaryngology endoscope front end through high definition transparent thin slice, guarantee that the camera or the shooting device of otolaryngology endoscope front end can clearly discern the position that waits to detect, can not influence the inspection result of otolaryngology speculum when guaranteeing to use the device.
The side symmetry of main part set up two trachea, every trachea runs through the main part and is linked together with the through-hole, set up a pressure limiting valve on one of them tracheal free end, after the inspection, through another intake pipe switch-on air supply, toward aerifing in the device and the protective sheath, make protective sheath and otolaryngology speculum separation, the otolaryngology speculum of being convenient for takes out from the device, the pressure limiting valve then is used for controlling the inside pressure of protective sheath, make the protective sheath after aerifing break away from otolaryngology speculum can, avoid protective sheath transition inflation or blast.
The internal diameter of bead be greater than the external diameter of packing ring, the part that the push rod stretches out annular boss is less than the difference of annular boss external diameter and the internal diameter of big diameter hole in the lower connector step hole, when guaranteeing that lower screw thread upwards revolves gradually, the bead can extrude the end of push rod and make the cramping body move to the center, when lower screw thread continues to revolve soon, the bead can cross the end of push rod again, the cramping body can resume initial condition this moment, the clamping-force to otolaryngology speculum disappears thereupon, the lower part of the push rod free end on every cramping body and the upper portion at bead internal diameter border are equipped with the arc face that corresponds, the contact of bead and push rod is convenient for to the arc face that falls, make the process that the bead extrudes the push.
The outer end of the inner surface of the small-diameter hole in the step hole on the lower connecting body is provided with an inverted inclined plane which is gradually and inwardly contracted outwards, the lower nut continues to be screwed upwards and enables the convex edge to cross the push rod, the inverted inclined plane gradually moves upwards along with the lower nut at the moment, thereby the sponge sleeve is gradually extruded to indirectly extrude the rod body of the ear-nose-throat endoscope which passes through the device, on one hand, in the process of drawing the ear-nose-throat endoscope away from the device, the rod body of the ear-nose-throat endoscope is wiped through the sponge sleeve, the accumulation of the liquid of the protective sleeve on the rod body of the ear-nose-throat endoscope is avoided, and in addition, when the trachea is inflated, the lower end of the device is also provided with.
The disposable membrane type ear-nose-throat endoscope sheath device capable of being replaced quickly is stored in a sterile and sealed mode before use, is safe and sanitary, can be used at any time, and is quick and pollution-free.
The diameter of the supporting rib is far larger than the width of the gap of the protective strip, so that the protective sleeve cannot be separated from the device.
The invention is a disposable membrane type otolaryngoscopic sheath device capable of being replaced quickly, and the device is aseptically sealed before use;
when in use: tearing off the seal, inserting one end of the otorhinolaryngology speculum with the camera or shooting device into the device from the lower end of the lower nut, and gradually propping against and clinging to the high-definition transparent sheet on the bottom of the protective sleeve from the inside, then the bag body passes through the upper nut to move outwards, and simultaneously the bag body of the protective sleeve with the support rib being rolled is pulled outwards and unfolded to be clung to the rod body of the ear-nose-throat speculum, and after the protective sleeve is pulled to a certain length along with the movement of the ear-nose-throat speculum, the lower nut is gradually screwed upwards, the convex edges on the lower nut gradually press the tail end of each push rod through the inverted arc surfaces and enable the two clamping bodies to simultaneously move towards the center of the main body, and the rod body of the otolaryngoscopic endoscope is gradually clamped by the two clamping rings, the lower nut is stopped screwing after the rod body of the otolaryngoscopic endoscope and the device are clamped, and the device and the otolaryngoscopic endoscope are relatively fixed at the moment, so that the examination can be carried out.
After use: after the inspection is finished, the lower nut is continuously screwed on the basis, when the lower thread is continuously screwed, the convex edge gradually and completely crosses the tail end of the push rod, at the moment, the clamping body is restored to the initial state under the action of the elastic sheet, the clamping force of the clamping ring on the rod body of the otolaryngoscopic endoscope is lost, at the moment, the lower nut is continuously screwed upwards, the inverted slope in the stepped hole of the lower nut gradually moves upwards along with the lower nut, the sponge sleeve is gradually extruded, so that the rod body of the otolaryngoscopic endoscope is indirectly extruded through the sponge sleeve, meanwhile, the sponge sleeve also has a certain sealing effect, when the lower nut cannot be continuously screwed, the air source inflates into the device through the air pipe without the pressure limiting valve, the protective sleeve gradually expands under the action of air, so that the protective sleeve tightly attached to the rod body of the otolaryngoscopic endoscope is gradually separated from the device, when the protective sleeve is not expanded any more, the, the body of rod of otolaryngology speculum is taken out from the in-process of device, cleans the body of rod of this otolaryngology speculum through the sponge cover, avoids the liquid of protective sheath itself to accumulate on the body of rod of otolaryngology speculum, and the device disposable need not to disinfect disinfection processing, safety and sanitation, quick in succession to otolaryngology speculum.
Claims (8)
1. The disposable membrane type otorhinolaryngology speculum sheath device capable of being replaced quickly comprises an upper nut, a main body, a protective sleeve, a clamping body, a gasket sponge sleeve and a lower nut; the novel clamping device is characterized in that the main body is a cylinder with a coaxial cylindrical through hole, cylindrical grooves coaxial with the main body are symmetrically arranged at two ends of the main body, an internal thread is arranged on the side surface of each cylindrical groove, a thin-wall cylinder extending outwards is arranged on the bottom surface of one cylindrical groove in the main body, the thin-wall cylinder and the main body are coaxial, the inner diameter of the thin-wall cylinder is the same as that of the through hole, a plurality of claw strips which are uniformly distributed along the circumference and gradually shrink towards the center in the axially outward direction are arranged at the upper end of the thin-wall cylinder, a cutting seam is arranged between the claw strips, and an annular boss is arranged on the bottom surface of the other cylindrical groove;
the upper nut comprises a top plate and an upper connecting body, the top plate and the upper connecting body are both cylindrical, the upper connecting body is coaxially fixed on one end face of the top plate, a step hole which is coaxial and penetrates through the top plate and the upper connecting body is arranged on the upper nut, an external thread matched with the internal thread on the main body is arranged on the side face of the upper connecting body, the upper nut is fixedly connected with the internal thread on one end of the main body where the thin-wall cylinder is located through the external thread on the upper connecting body, the end face of the free end of the upper connecting body is attached to the bottom face of the cylindrical groove, an annular protective sleeve storage area is formed between the free end of the upper connecting body and the root of the thin-wall cylinder, and an annular protective sleeve;
the protective sleeve is made of an elastic film and is in a bag shape with one open end, a support rib is arranged at the open end of the protective sleeve, the bag body of the protective sleeve is turned and rolled up through the support rib by the protective sleeve, the rolled protective sleeve is sleeved on a thin-wall cylinder on the main body, the bottom of the protective sleeve is tightly attached to the upper end of the thin-wall cylinder, the support rib and the bag body of the rolled protective sleeve are placed in a protective sleeve storage area formed after an upper nut is connected with the main body, and the bag body of the protective sleeve sleeved on the thin-wall cylinder penetrates through;
the clamping bodies comprise arc-shaped clamping rings and push rods, the push rods are vertically fixed on the clamping rings along the diameter direction of the clamping rings, the clamping rings and the push rods form a Y shape, a layer of rubber pad is arranged on the inner surface of the clamping rings, two left-right symmetrical barb-shaped elastic sheets are arranged on the push rods, an included angle formed by the two elastic sheets faces the clamping rings, two clamping body mounting grooves which are matched with the profiles of the clamping bodies and are in left-right symmetry are arranged on an annular boss on the main body, the two clamping bodies are correspondingly mounted in the clamping body mounting grooves, the circle centers corresponding to the clamping rings of the two clamping bodies are on the axis of the main body, the clamping bodies are clamped in the clamping body mounting grooves through the elastic sheets and have outward elastic thrust on the push rods, the clamping rings can slide towards the centers of the annular bosses, and the free ends of the push rods of each clamping body radially;
the gasket sponge sleeve comprises a gasket and a cylindrical sponge sleeve coaxially fixed on the gasket, the gasket on the gasket sponge sleeve is coaxially fixed on the end face of the annular boss through a screw, the inner diameter of the gasket and the inner diameter of the sponge sleeve are the same as the diameter of the through hole in the main body, and the outer diameter of the gasket is the same as the outer diameter of the annular boss;
the lower nut include connector and bottom plate down, bottom plate and lower connector are cylindricly, lower connector is coaxial to be fixed on a terminal surface of bottom plate, be equipped with on the lower nut with the axle center and run through the step hole of bottom plate and lower connector, the major diameter hole site in this step hole is in the free end of connector down, be equipped with on the side of lower connector with the main part on the internal thread assorted external screw thread, the lower nut is through the external thread on the connector down and the main part on the internal thread fixed connection that the annular boss place was served, the inboard of the major diameter hole in the step hole on the lower nut is equipped with the annular bead of a week, the bead is close to the terminal surface of connector free end down and is located the below of the last push rod of cramping body, the diameter of the minor diameter hole in the step hole on the lower nut is the same with the diameter of.
2. The quick-change disposable membrane otorhinolaryngological endoscope sheath device of claim 1, wherein the top plate has the same outer diameter, the bottom plate has the same outer diameter, and the main body has the same outer diameter.
3. The rapidly replaceable disposable membrane type ear-nose-throat speculum sheath device as recited in claim 1, wherein the closed end of the sheath is a high definition transparent sheet, and the high definition transparent sheet is seamlessly connected with the bag body.
4. The quick replaceable disposable membrane type ear-nose-throat speculum sheath device as in claim 1, wherein two air tubes are symmetrically disposed on the side of said main body, each air tube passing through the main body and communicating with the through hole, and a pressure limiting valve is disposed on the free end of one of the air tubes.
5. The rapidly replaceable disposable membrane type ear-nose-throat speculum sheath device as in claim 1, wherein the inside diameter of said rib is larger than the outside diameter of the washer, the portion of the push rod extending out of the annular boss is smaller than the difference between the outside diameter of the annular boss and the inside diameter of the large diameter hole in the stepped hole of the lower connector, and the lower portion of the free end of the push rod on each holder and the upper portion of the inside diameter edge of the rib are provided with corresponding reverse arc surfaces.
6. The rapidly replaceable disposable membrane type ear-nose-throat speculum sheath device as in claim 1, wherein the external end of the inner surface of the small diameter hole in the stepped hole of the lower connecting body is provided with an inverted slope gradually converging outwards.
7. The quick-change disposable membrane otorhinolaryngological scope sheath apparatus of claim 1 wherein the quick-change disposable membrane otolaryngological scope sheath apparatus is stored in a sterile, sealed condition prior to use.
8. The quick-change disposable membrane otorhinolaryngological speculum sheath apparatus of claim 1, wherein the diameter of said support ribs is substantially greater than the width of the protective sheath gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811255254.2A CN109602378B (en) | 2018-10-26 | 2018-10-26 | Quick replaceable disposable film type ear-nose-throat endoscope sheath device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811255254.2A CN109602378B (en) | 2018-10-26 | 2018-10-26 | Quick replaceable disposable film type ear-nose-throat endoscope sheath device |
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| Publication Number | Publication Date |
|---|---|
| CN109602378A CN109602378A (en) | 2019-04-12 |
| CN109602378B true CN109602378B (en) | 2021-02-23 |
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| CN201811255254.2A Active CN109602378B (en) | 2018-10-26 | 2018-10-26 | Quick replaceable disposable film type ear-nose-throat endoscope sheath device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128330B (en) * | 2011-01-03 | 2012-06-20 | 王涵琳 | Pipe fitting connector for thin-wall hole |
| CN206081193U (en) * | 2016-05-19 | 2017-04-12 | 杨贺 | PICC puts tub malleation and connects safety cover |
| CN207575241U (en) * | 2016-12-20 | 2018-07-06 | 梅广红 | A kind of ECG monitor conducting wire protection sleeve pipe |
| CN206809332U (en) * | 2017-01-17 | 2017-12-29 | 刘静 | Ultrasonic-B probe protection device |
| CN206995580U (en) * | 2017-01-24 | 2018-02-13 | 苏州大学附属第一医院 | A kind of trachea cannula fixation sleeve pipe |
| CN207940883U (en) * | 2017-12-13 | 2018-10-09 | 胡大山 | A kind of ear-nose-throat department clinical laboratory test apparatus |
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2018
- 2018-10-26 CN CN201811255254.2A patent/CN109602378B/en active Active
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