CN211024730U - Sealed medicine injection device for hysterosalpingography - Google Patents

Abstract

The utility model relates to a sealed medicine injection device for hysterosalpingography, which solves the technical problems that the original cervical liquid-flowing method is easy to damage the external opening of the cervix, can not carry out comprehensive examination on the uterine cavity and the cervix and the device is easy to fall off. The device comprises a liquid passing pipe, a barrier film, a supporting device, a positioning device and a hollow push-pull rod, wherein the push-pull rod is sleeved on the liquid passing pipe, the top end of the supporting device is connected to the top end of the liquid passing pipe, the bottom end of the supporting device is connected to the push-pull rod, and the barrier film covers the supporting device. The utility model has the advantages that: on the premise of not damaging the cervix, the closed injection is carried out on the hysterosalpingography, so that the medicine loss is prevented; the uterine cavity and the cervix cannot be shielded in the using process, and the uterine cavity and the cervix can be comprehensively checked; the condition of falling does not exist, secondary operation is not needed, the pain of a patient is relieved, and the workload of workers is reduced; the sealing performance is good.

Description

Sealed medicine injection device for hysterosalpingography

Technical Field

The utility model relates to a medical instrument applied to the gynecological field, in particular to a sealed medicine injection device for hysterosalpingography.

Background

In the gynecological field, hysterosalpingography is one of the more widely used methods in clinic, and hysterosalpingography examination can not only visually know whether the fallopian tube is unobstructed and the blocked part, but also observe the size, the shape, the abnormality, the adhesion of the uterine cavity or the space occupying lesion.

In the current clinical application, as the external cervical orifice of a puerpera becomes larger and the external orifice can not be completely sealed for injecting medicine, the contrast agent flows out, and the phenomenon of great waste of the contrast agent occurs, therefore, the external cervical orifice clamp is used in the hysterosalpingography examination and has the function of reducing the external cervical orifice to prevent the medicine from flowing out. After the external cervical orifice is reduced by using the external cervical orifice clamp, the liquid through tube with the conical front end is used for propping against the reduced external cervical orifice for injecting the contrast medium. However, in the oviduct radiography examination, the external cervical clamp can cause the external cervical orifice to be damaged and bleed, and the bath can not be carried out for one week after the operation, if prophylactic antibiotics are not taken, the infection of the cervix and the uterine cavity is easy to occur, and the secondary infertility is easy to occur.

For example, Chinese patent document CN201299632Y discloses a 'balloon type liquid instillation device for fallopian tube', which comprises a liquid instillation tube and an injector, wherein the liquid instillation tube is a flexible tube, the upper end of the flexible tube provided with a liquid outlet extends into a uterine cavity, a flexible membrane sac tube is arranged in parallel and integrally with the liquid instillation tube, the top end of the membrane sac tube corresponding to the position of an internal cervical orifice is provided with a membrane sac which is used for plugging the internal cervical orifice and can expand to form a spherical sac body surrounding the liquid instillation tube, and the liquid instillation tube and the bottom end orifice of the membrane sac tube are respectively in sealing connection with the liquid instillation injector and the expansion injector through a one-way valve.

Disclosure of Invention

The utility model mainly solves the technical problems that the original cervical liquid-feeding method is easy to damage the external opening of the cervix, can not carry out comprehensive examination on the uterine cavity and the cervix and the device is easy to fall off; the sealed medicine injection device for the hysterosalpingography is provided, which can carry out sealed medicine injection on the hysterosalpingography on the premise of not damaging the cervix, thereby preventing medicine waste; the uterine cavity and the cervix can be comprehensively checked under the condition that the uterine cavity and the cervix are not shielded; the condition of falling does not exist, secondary operation is not needed, the pain of a patient is relieved, and the workload of workers is reduced.

The above technical problem of the present invention can be solved by the following technical solutions: the utility model discloses a lead to liquid pipe, barrier film, strutting arrangement, hollow push-and-pull rod and inject the positioner of push-and-pull rod position, the push-and-pull rod cover is in lead to on the liquid pipe, strutting arrangement connects on the top that leads to the liquid pipe, and strutting arrangement's bottom is connected on the push-and-pull rod, strutting arrangement coats and is stamped the barrier film.

When using, only need with closed state the utility model discloses during injection device sent into the cervical canal through the cervical outer orifice, when the barrier membrane entered into the cervical canal completely, it is fixed according to the size of cervical canal diameter to open through the push-and-pull rod, realizes the sealed to the cervical canal, prevents the loss of medicine, still can not harm the cervix, can not block uterine cavity and cervical canal simultaneously, can carry out comprehensive inspection.

Preferably, the positioning device is provided with a plurality of scale buckles on the liquid passing pipe, a sliding ring is arranged between the push-pull rod and the supporting device, and a clamping groove matched with the scale buckles is arranged in the sliding ring.

The scale buckle combines together with the draw-in groove, and it has not only played the effect of location, and wherein the existence of scale buckle has enlarged the utility model discloses an application scope makes the utility model discloses can be applicable to the cervical canal of different diameters, no longer need make the injection device of multiple specification in order to satisfy medical demand, an injection device just can satisfy different medical demands.

Preferably, the support device comprises an upper support body, a lower support body, an upper support rod and a lower support rod, the upper support body is fixedly connected with one end of the liquid through pipe, the upper support rod is hinged to the upper support body, the upper support rod is hinged to the lower support rod, the lower support rod is hinged to the lower support body, the lower support body is fixedly connected with the push-pull rod, and the separation film covers the outer sides of the upper support body and the upper support body.

This strutting arrangement includes bracing piece and bottom suspension fagging, goes up the outside of bracing piece and last supporter and is equipped with the barrier film, and the barrier film has had the support of going up the bracing piece, then is difficult for producing deformation, can be better agree with the cervical canal, reachs better sealed effect.

Preferably, the number of the upper supporting rods and the number of the lower supporting rods are 3-8 respectively.

Because the whole circular that is of cervical canal, so the utility model discloses the shape of injection device's barrier film is circular, and when the quantity of bracing piece was preferred to 3 ~ 8, just can not appear because the quantity of bracing piece too little and can't realize the support to the barrier film, can not realize better sealed condition, also can not increase manufacturing cost because the quantity of bracing piece is too much.

Preferably, the outer ring of the barrier film is provided with a protective sleeve, and the protective sleeve is made of medical rubber.

Because the tissue of the cervical canal is relatively soft, even if the material adopted by the barrier film is generally flexible medical plastic, the flexible medical plastic also has certain rigidity, and in order to prevent the barrier film from damaging the tissue of the cervical canal, the outer ring of the barrier film is provided with a protective sleeve made of medical rubber, so that the cervical canal tissue is protected to a certain extent.

Preferably, the outer surface of the protective sleeve is provided with anti-skid convex points.

The inner wall of the cervical canal is wet, and the protective sleeve is in direct contact with the inner wall of the cervical canal, so that anti-skidding salient points are arranged on the outer surface of the protective sleeve, friction between the protective sleeve and the inner wall of the cervical canal is increased, and the device is prevented from falling off.

Preferably, the liquid passing pipe is provided with a fine adjustment nut in threaded connection with the liquid passing pipe, and the fine adjustment nut is positioned below the push-pull rod.

Although the existence of scale buckle can make the utility model is suitable for a cervical canal of different diameters still has certain distance between the scale buckle, when the diameter size of cervical canal is located between the scale buckle, if only simple locate at scale buckle department, then can lead to the barrier film can't closely laminate with the cervical canal inner wall, and unable fine realization is sealed, so including a fine setting nut and rather than supporting screw thread, make the utility model discloses a sealing performance is more perfect. Simultaneously, the fine setting nut also plays fixed effect, makes whole injection device with adding stably when using.

The utility model has the advantages that: 1) on the premise of not damaging the cervix, the closed injection is carried out on the hysterosalpingography, so that the medicine loss is prevented; 2) the uterine cavity and the cervix cannot be shielded in the using process, and the uterine cavity and the cervix can be comprehensively checked; 3) the condition of falling does not exist, secondary operation is not needed, the pain of a patient is relieved, and the workload of workers is reduced; 4) the sealing performance is good.

Drawings

Fig. 1 is a schematic view of a closed state of the present invention.

Fig. 2 is a schematic view of the expanded state of the present invention.

Fig. 3 is a schematic view of the top view structure of the present invention in an unfolded state.

Fig. 4 is a partial enlarged view of the protective sheath of the present invention.

Fig. 5 is a partial enlarged view of the scale buckle of the present invention when the scale buckle is clamped into the slot.

In the figure, 1, a liquid through pipe, 2, a supporting device, 21, an upper supporting body, 22, an upper supporting rod, 23, a lower supporting rod, 24, a lower supporting body, 3, a push-pull rod, 4, a fine adjustment nut, 5, a clamping groove, 6, a sliding ring, 7, a barrier film, 8, a positioning device, 81, a scale buckle, 9, a protective sleeve and 10 are anti-skidding bumps.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b): the sealed medicine injection device for hysterosalpingography in the embodiment comprises a liquid through pipe 1, a barrier membrane 7, a support device 2, a positioning device 8 and a push-pull rod 3, as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, wherein one end of the liquid through pipe is conical, the support device comprises an upper support body 21, a lower support body 24, 6 upper support rods 22 and 6 lower support rods 23, the positioning device is 3 pairs of scale buckles 81 arranged on one side of the liquid through pipe close to the conical shape, the 3 pairs of scale buckles are distributed at intervals along the length direction of the liquid through pipe, the scale buckles are elastic, can be retracted into the liquid through pipe when being extruded, and can be automatically ejected out of the liquid through pipe when not being extruded, a sliding ring 6 is fixedly arranged between the push-pull rod and the support device, a clamping groove 5 matched with the scale buckles is formed in the sliding ring, the upper support body is fixedly connected with one end of the conical shape of the liquid through pipe, the other end of 6 last bracing pieces articulates in corresponding 6 bottom suspension vaulting poles, the other end of bottom suspension vaulting pole articulates in the bottom suspension vaulting pole, bottom suspension body and sliding ring fixed connection, sliding ring and bottom suspension body all overlap on leading to the liquid pipe, the barrier film covers in the outside of last bracing piece and last bracing piece, and lead to gapless connection between the liquid pipe, the material of barrier film is flexible medical plastics, protective sheath 9 is installed to the barrier film outer lane, the material of protective sheath is medical rubber, protective sheath surface arranges a plurality of anti-skidding bumps 10 along protective sheath circumference equipartition, the lower fixed surface of sliding ring is connected with the push-and-pull rod, the inside cavity of push-and-pull rod cover is on leading to the liquid pipe, lead to install on the liquid pipe and lead to liquid pipe threaded connection.

When not in use, the utility model discloses a medicine injection device is the closed condition. When the device is used, the device is sent into a cervical canal through an external cervical orifice, when a barrier membrane completely enters the cervical canal, a push-pull rod is pushed, the push-pull rod drives a sliding ring and a lower support body to move upwards, the sliding ring moves upwards to drive the lower support body to move upwards, the lower support body and an upper support rod are driven to expand outwards along with the upward movement of the lower support body, the lower support body and the upper support rod which correspond to each other when reaching 3 pairs of scale buckles are different in expansion size, a scale buckle is selected to be positioned according to the diameter of the cervical canal, the scale buckle is inwards extruded by the inner wall of the sliding ring when moving upwards, the scale buckle elastically retracts into a liquid through pipe, and when the position of a clamping groove in the sliding ring corresponds to the scale buckle, the scale buckle is popped out to enter the clamping groove, and the positioning is. And then fine adjustment is carried out, namely the fine adjustment nut is rotated to move upwards, when the fine adjustment nut is screwed, the medicine injection device is pulled by hand, and if the medicine injection device cannot move, the cervical canal sealing is finished. Then contrast liquid is injected inwards through the liquid through tube to carry out the contrast examination of the oviduct, the uterus and the cervix.

After the inspection is accomplished, loosen the fine setting nut soon, will finely tune the nut and revolve to the very end of screw thread, the pulling push-and-pull rod is down-moving, the push-and-pull rod is driving sliding ring and under bracing body downstream, the inner wall of sliding ring extrudees the scale buckle inwards during the sliding ring downstream, scale buckle elasticity retraction is to leading to in the liquid pipe, until the sliding ring is whole to shift out, the scale buckle pops out, break away from the location, along with the downward movement of under bracing body drives the inside shrink of under bracing piece and last bracing piece, be the closure state until whole device, then take out the device.

Claims (7)

1. A sealed medicine injection device for hysterosalpingography is characterized by comprising a liquid passing pipe, a blocking membrane, a supporting device, a hollow push-pull rod and a positioning device for limiting the position of the push-pull rod, wherein the push-pull rod is sleeved on the liquid passing pipe, the top end of the supporting device is connected to the top end of the liquid passing pipe, the bottom end of the supporting device is connected to the push-pull rod, and the blocking membrane covers the supporting device.

2. The sealed medicine injection device for hystero-salpingography according to claim 1, wherein the positioning device is a plurality of graduated buckles disposed on the liquid-passing tube, a sliding ring is disposed between the push-pull rod and the supporting device, and a slot is disposed in the sliding ring and is matched with the graduated buckles.

3. The sealed drug injection device for hysterosalpingography according to claim 1, wherein the supporting device comprises an upper supporting body, a lower supporting body, an upper supporting rod and a lower supporting rod, the upper supporting body is fixedly connected with one end of the liquid through tube, the upper supporting rod is hinged with the upper supporting body, the upper supporting rod is hinged with the lower supporting rod, the lower supporting rod is hinged with the lower supporting body, the lower supporting body is fixedly connected with the push-pull rod, and the blocking film covers the outer sides of the upper supporting rod and the upper supporting body.

4. The sealed drug injection device for hystero-salpingography according to claim 3, wherein the number of the upper support rods and the lower support rods is 3-8 respectively.

5. The hysterosalpingography sealed medicine injection device according to claim 1, 2 or 3, wherein the outer ring of the barrier membrane is provided with a protective sleeve, and the protective sleeve is made of medical rubber.

6. The sealed drug injection device for hystero-salpingography according to claim 5, wherein the outer surface of the protective sheath is provided with anti-slip protrusions.

7. The sealed drug injection device for hystero-salpingography according to claim 1, 2 or 3, wherein the liquid tube is provided with a fine adjustment nut in threaded connection with the liquid tube, and the fine adjustment nut is positioned below the push-pull rod.

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