CN211383402U - Novel gynecological medicine injector - Google Patents

Abstract

The utility model relates to a medical appliance, and discloses a novel gynecological medicine injector, wherein a piston is arranged in a medicine tube, a push rod is arranged at the rear side of the piston, and the medicine tube consists of a conical part and a straight tube part; side holes are uniformly distributed on the peripheral side wall of the conical part; a conical head is fixed on the front side of the piston; the rear end of the straight tube part is a holding tube, the tail end of the holding tube is provided with a guide screw hole, and the tail end of the holding tube is sleeved with a rotating sleeve; the push rod penetrates through the guide screw hole and is provided with guide threads; in the process that the push rod drives the piston to move forwards, the holding tube drives the medicine tube and the push rod to rotate relatively. When the novel gynecological medicine pusher is used, the medicine tube can rotate in the whole medicine pushing process, gynecological gel is uniformly dispersed and discharged through the side holes uniformly distributed on the outer wall of the conical part, the direct contact area of the gynecological gel and an affected part is increased, and the gynecological gel is favorably dissolved and the medicinal components are favorably and quickly absorbed; in addition, the disposable medical infusion bag is simple in structure, low in cost, suitable for disposable use, safe and sanitary, and has great popularization significance in clinic.

Description

Novel gynecological medicine injector

Technical Field

The utility model relates to a medical instrument, in particular to a medicine pusher used in the process of treating gynecological diseases.

Background

Vaginitis and cervicitis are the most common gynecological diseases, the treatment means of the diseases mainly comprises external application of medicaments, wherein gynecological gel is a relatively common external medicament, and the gynecological gel needs to be placed on an affected part by means of a special medicine injector when used due to the particularity of the physiological structure of the affected part. The structure of the prior medicine pushing device is similar to that of an injector and generally comprises a barrel, a piston and a push rod, and although the structure is simple, the device is safe and sanitary, but has remarkable defects in the using process. The specific defects are as follows: current gynaecology's impeller discharges gynaecology's gel through the opening of bobbin front end, and discharged gynaecology's gel is the clique, and on the one hand, the gynaecology's gel that is the clique dissolves rate slowly, and the medicine absorption is inefficient, and on the other hand, gynaecology's gel is little with affected part area of contact, and it is inhomogeneous to distribute, even dissolve back drug effect also often only can concentrated action in a banding local area, can't carry out omnidirectional medication to the disease position. Meanwhile, when the patient uses the gynecological gel, the patient mostly focuses on the sleeping period, the body of the patient is in a posture for a long time, and the distribution position of the medicament components after the gynecological gel is dissolved is relatively constant, so that the treatment effect of the gynecological gel is further reduced. In addition, in prior art, no few technical scheme has adopted the mode of bobbin lateral wall trompil to improve the area of contact of gynaecology's gel of discharge and affected part, but this type of pusher often the structure is comparatively complicated, and the dose that the side opening that distributes around is discharged is inhomogeneous, and remains more gynaecology's gel in the bobbin is easy in the use, consequently the advantage that brings in clinical use is not showing, and then fails by using widely on a large scale.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides a can increase the contact area of gynecological gel and affected parts, and make the gynecological gel distribute evenly and easily dissolve and absorb, can show the novel gynecological injector that improves the gynecological gel treatment effect.

In order to achieve the technical purpose, the utility model adopts the following technical scheme:

the utility model provides a novel gynaecology's medicine pusher, its includes a pencil, is equipped with the piston in the pencil, and the piston rear side is equipped with push rod, its characterized in that: the medicine tube is composed of a conical part and a straight tube part which are integrally formed front and back; the inner diameter of the conical part is gradually increased from front to back, the front end of the conical part is closed, and side holes are uniformly distributed on the peripheral side wall of the conical part; the piston can only slide in the straight pipe part, a conical head is fixed on the front side of the piston, and the outer diameter of the conical head is gradually increased from front to back; when the piston is positioned at the foremost end of the straight pipe part, the front end of the conical head is contacted with the inner wall of the front end of the conical part, and the side wall of the conical head is contacted with the inner wall of the conical part; the rear end of the straight pipe part is fixedly connected with a shell-shaped holding pipe, the tail end of the holding pipe is axially provided with a guide screw hole, the tail end of the holding pipe is sleeved with a rotating sleeve which can only rotate relative to the holding pipe, and the rotating sleeve is provided with a finger handle extending outwards; the push rod penetrates through the guide screw hole, a guide thread matched with the guide screw hole is arranged on the push rod, a handle is arranged at the rear end of the push rod, and anti-skid threads are arranged on the side surface and the rear end surface of the handle; in the process that the push rod drives the piston to move forwards, the holding tube drives the medicine tube and the push rod to rotate relatively under the guidance of the guide screw hole and the guide thread; in the initial state, the piston is positioned at the rear end of the straight pipe part, gynecological gel is filled in the space in the inner cavity of the medicine pipe, which is positioned at the front side of the piston, and the medicine pipe is coated with a plastic film for plugging the side hole.

The working principle and the using method of the novel gynecological medicine pusher are as follows:

when in use, the plastic film is taken off, and the holding tube is held to place the medicine tube part in a proper position in the vagina of a patient; the handle is pushed forwards by holding the rotating sleeve or the finger handle, and the handle is prevented from rotating in the process of pushing the handle; the push rod drives the piston to move forwards, on one hand, the conical head and the piston move forwards synchronously, and because the conical head and the conical part have conicity, a gap exists between the side walls of the conical head and the conical part, the gynecological gel is discharged outwards from each side hole through the gap after being pressed and is contacted with the vaginal wall of a patient; when the push rod cannot be pushed forwards continuously, the piston and the conical head are located at the front ends of respective strokes, the piston is located at the front end of the straight pipe part, the front end of the conical head is in contact with the inner wall of the front end of the conical part, and the side wall of the conical head is in contact with the inner wall of the conical part; finally, the novel gynecological medicine pusher is taken out from the body of a patient, and the whole medicine pushing operation is completed.

Compared with the prior art, the utility model, it has following technological effect:

when the novel gynecological medicine pusher is clinically used, in the whole medicine pushing process, the medicine tube can rotate, and gynecological gel can be discharged from each side hole in the whole process, so that the distribution state of the medicine is matched with the physiological structure characteristics of a diseased part, the direct contact area of the gynecological gel and the affected part is increased, a certain smearing effect is achieved, the distribution of the gynecological gel is more dispersed and more uniform, and the dissolution of the gynecological gel and the quick absorption of medicine effect components are facilitated; meanwhile, the gynecological gel is extruded and discharged through the side holes to be in a fine flocculent shape, so that the gynecological gel is more beneficial to dissolution and absorption compared with the traditional 'conglobate shape'. Meanwhile, the rotary type drug delivery of the gynecological medicine pusher is based on scientific structural design, and the using mode of the gynecological medicine pusher is not greatly different from that of the traditional medicine pusher, namely, the gynecological medicine pusher is convenient to operate and even can be operated by a patient. In addition, the utility model has the advantages of reasonable design, low cost, compound disposable requirement, safety and sanitation. Therefore, the novel gynecological medicine injector has great application prospect and popularization significance in clinic.

Drawings

Fig. 1 is a schematic structural view of the novel gynecological injector in embodiment 1.

Fig. 2 is a second schematic structural view of the novel gynecological injector of embodiment 1.

Fig. 3 is a working principle diagram of the novel gynecological injector pushing device in the embodiment 1.

FIG. 4 is a schematic view showing a state where the front end of the cone head is in contact with the inner wall of the front end of the cone portion in example 1.

Fig. 5 is a sectional view of the novel gynecological injector of example 2.

Fig. 6 is a schematic structural view of a conical head and a piston in embodiment 2.

In the figure, 1, a push rod, 2, a holding tube, 3, a finger handle, 4, a guide screw hole, 5, a guide thread, 6, a handle, 7, a rotating sleeve, 8, a piston, 9, a straight tube part, 10, a conical head, 11, a side hole, 12, a conical part, 13, a concave seat, 14 and a spherical end.

Detailed Description

Example 1

Referring to fig. 1-4, the novel gynecological medicine pusher disclosed in this embodiment mainly comprises a medicine tube, a conical head 10, a piston 8, a push rod 1, a holding tube 2 and a rotating sleeve 7; the medicine tube is composed of a conical part 12 and a straight tube part 9 which are integrally formed in the front and the back; the inner diameter of the conical part 12 is gradually increased from front to back to form a taper, the front end of the conical part 12 is closed, and side holes 11 for communicating the inner cavity of the conical part with the outside are uniformly distributed on the peripheral side wall of the conical part 12; the straight tube part 9 is cylindrical, namely the front and rear inner diameters are consistent, the piston 8 can only slide in the inner cavity of the straight tube part 9 in a sealing way, the conical head 10 is positioned at the front side of the piston 8 and the opposite positions of the two are fixed, and the outer diameter of the conical head 10 is gradually increased from front to back to form a taper; when the piston 8 is positioned at the foremost end of the straight pipe part 9, the front end of the conical head 10 is contacted with the front end inner wall of the conical part 12, the side wall of the conical head 10 is contacted with the inner wall of the conical part 12, namely, the inner cavity space of the conical part 12 tends to be filled when the conical head 10 is positioned at the foremost end; the holding tube 2 is in a tube shell shape and is fixedly connected with the rear end of the straight tube part 9, a guide screw hole 4 is formed in the center of the tail end of the holding tube 2 along the axial direction, the rotating sleeve 7 is sleeved outside the tail end of the holding tube 2 and can only rotate relative to the holding tube 2, and a finger handle 3 extending outwards is arranged on the rotating sleeve 7; the push rod 1 penetrates through the guide screw hole 4, a guide thread 5 matched with the inner thread of the guide screw hole 4 is arranged on the push rod 1, a handle 6 is arranged at the rear end of the push rod 1, and anti-skid threads are arranged on the side surface and the rear end surface of the handle 6; the push rod 1 is used for driving the piston 8 to move forwards, and in the process that the push rod 1 drives the piston 8 to move forwards, the holding tube 2 drives the medicine tube and the push rod 1 to rotate relatively under the guidance of the guide screw hole 4 and the guide thread 5; in an initial state, the piston 8 is located at the rear end of the straight pipe part 9, gynecological gel (not shown) is filled in a space in the inner cavity of the medicine tube, which is located on the front side of the piston 8, a plastic film (not shown) for plugging the side hole 11 is coated outside the medicine tube, and the plastic film is used for preventing the gynecological gel from flowing out through the side hole 11 on one hand and isolating the gynecological gel from air on the other hand, so that the gynecological gel is prevented from being degraded.

Referring to fig. 3 and 4, when the novel gynecological medicine injector is used, the plastic film is taken off, and the holding tube 2 is used for placing the medicine tube part in a proper position in the vagina of a patient; the handle 6 is pushed forwards by the rotating sleeve 7 or the finger handle 3, and the handle 6 is prevented from rotating in the process of pushing the handle 6; the push rod 1 drives the piston 8 to move forwards, on one hand, the conical head 10 and the piston 8 move forwards synchronously, as the conical head 10 and the conical part 12 both have conicity, a gap exists between the side walls of the conical head 10 and the conical part 12 before the conical head 10 reaches the front end of the conical part 12, gynecological gel is discharged outwards from each side hole 11 through the gap after being pressed and is contacted with the vaginal wall of a patient, on the other hand, under the matching of the guide thread 5 and the guide screw hole 4, the holding tube 2 drives the medicine tube and the push rod 1 to rotate relatively, namely, the medicine tube rotates in the process of pushing the push rod 1 forwards, so that rotary administration is realized, the contact area of the gynecological gel and an affected part is further improved, and the rotating medicine tube can play a certain smearing role, so that the distribution of the gynecological gel is more uniform and the contact with the affected part is; when the push rod 1 cannot be pushed forwards continuously, the piston 8 and the conical head 10 are both positioned at the front end of respective stroke, at the moment, the piston 8 is positioned at the front end of the straight pipe part 9, the front end of the conical head 10 is contacted with the inner wall of the front end of the conical part 12, and the side wall of the conical head 10 is contacted with the inner wall of the conical part 12, so that the gynecological gel in the medicine pipe is almost not left in the state of the novel gynecological medicine pusher; finally, the novel gynecological medicine pusher is taken out from the body of a patient, and the whole medicine pushing operation is completed.

As shown in fig. 3, in the whole drug pushing process, the drug tube can rotate, and each side hole 11 can discharge gynecological gel all the time, so that the drug distribution state is ensured to be matched with the physiological structure characteristics of the affected part, the direct contact area of the gynecological gel and the affected part is improved, the gynecological gel is distributed more dispersedly and more uniformly, and the dissolution of the gynecological gel and the rapid absorption of drug effective components are facilitated; meanwhile, the gynecological gel is extruded and discharged through the side hole 11 to be in a fine flocculent shape, so that the gynecological gel is more beneficial to dissolution and absorption compared with the traditional 'conglobate shape'.

As shown in figure 3, when the novel gynecological medicine injector is used, the handle 6 is prevented from rotating in the process of pushing the handle 6, otherwise, the technical purpose of rotating the medicine tube in the vagina in the medicine pushing process cannot be realized; in the process of pushing the medicine, the handle 6 is subjected to a large axial acting force applied by the hand, and the surface of the handle 6 is provided with the anti-slip lines, so that the friction force between the handle 6 and the hand can prevent the handle 6 from rotating, and therefore extra labor is not needed to prevent the handle 6 from rotating in the process of pushing the medicine.

As shown in fig. 3, the novel gynecological medicine injector has certain technical requirements on the rotation angle of the medicine tube in the medicine pushing process when in clinical use; on one hand, the medicine tube should rotate at least one circle in the medicine pushing process, thereby ensuring that the discharged gynecological gel is more uniformly distributed; on the other hand, the rotation of the medicine tube in the medicine pushing process should be less than three circles so as to avoid discomfort and even trauma to the patient caused by the too rapid rotation of the medicine tube; meanwhile, when the rotation angle of the medicine tube is in the range in the medicine pushing process, the thread pitch of the guide thread 5 is necessarily large, and further the axial thrust required by the relative rotation of the medicine tube and the push rod 1 by pushing the handle 6 is not large, so that the operation of a common operator can be realized.

Example 2

Referring to fig. 3, in the process of pushing the medicine, the push rod 1 and the medicine tube can rotate relatively, if the piston 8 is fixedly connected with the push rod 1, the piston 8 and the medicine tube can also rotate relatively in the process of pushing the medicine, but the piston 8 and the medicine tube are in tight contact due to the requirement of sealing property, and the rotation resistance between the piston 8 and the medicine tube is large, so that the operation is difficult. Therefore, on the basis of embodiment 1, the present embodiment has a further improvement on the novel gynecological injector, and the specific structure is as follows:

as shown in fig. 5, a recess 13 is provided at the center of the rear side circle of the piston 8, the front end of the push rod 1 is a spherical end 14, the spherical end 14 can be inserted into the recess 13 and the two can rotate relatively; therefore, in the medicine pushing process, the push rod 1 pushes the piston 8 to move forwards through the spherical end 14, the push rod 1 can rotate relative to the piston 8 at the same time, the piston 8 does not need to rotate relative to the medicine tube, and resistance of the push rod 1 to rotate relative to the medicine tube is reduced, so that the medicine pushing operation is more convenient and labor-saving.

Further, as shown in fig. 6, in order to simplify the structure of the novel gynecological injector and facilitate the implementation, the interior of the conical head 10 is hollow, and the recess 13 is fixed at the center of the circle at the rear end of the conical head 10; the piston 8 is annular and is sleeved on the outer side wall of the rear end of the conical head 10, and the piston and the conical head are fixed through adhesion.

Furthermore, in the using process of the novel gynecological medicine injector, only the medicine tube part is contacted with the affected part of the patient, the gynecological medicine injector is needed to be used for one time, and the holding tube 2, the push rod 1, the rotating sleeve 7 and other parts except the medicine tube are not contacted with the affected part, so that the gynecological medicine injector can be used repeatedly; therefore, in order to make the use cost of the novel gynecological injector cheaper, the embodiment further has the following improvements:

referring to fig. 5, the medicine tube is connected with the holding tube 2 by screw threads, so that the medicine tube can be disassembled and assembled; the medicine tube, the piston 8 and the conical head 10 in the medicine tube are made of disposable medical materials and are disposable parts; the holding tube 2, the rotating sleeve 7 and the push rod 1 are reusable components; one set of reusable components is used in conjunction with a plurality of sets of disposable components.

Because in this novel gynaecology's impeller, only the pencil position is disposable, and its structure is very simple, compares current gynaecology's impeller, and it need not to set up the part of gripping and then length is shorter, need not to set up push rod 1 alone simultaneously, and then makes this novel gynaecology's impeller's average use cost greatly reduced, is less than in the past gynaecology's impeller even.

Claims (5)

1. The utility model provides a novel gynaecology's medicine pusher, its includes a pencil, is equipped with the piston in the pencil, and the piston rear side is equipped with push rod, its characterized in that: the medicine tube is composed of a conical part and a straight tube part which are integrally formed front and back; the inner diameter of the conical part is gradually increased from front to back, the front end of the conical part is closed, and side holes are uniformly distributed on the peripheral side wall of the conical part; the piston can only slide in the straight pipe part, a conical head is fixed on the front side of the piston, and the outer diameter of the conical head is gradually increased from front to back; when the piston is positioned at the foremost end of the straight pipe part, the front end of the conical head is contacted with the inner wall of the front end of the conical part, and the side wall of the conical head is contacted with the inner wall of the conical part; the rear end of the straight pipe part is fixedly connected with a shell-shaped holding pipe, the tail end of the holding pipe is axially provided with a guide screw hole, the tail end of the holding pipe is sleeved with a rotating sleeve which can only rotate relative to the holding pipe, and the rotating sleeve is provided with a finger handle extending outwards; the push rod penetrates through the guide screw hole, a guide thread matched with the guide screw hole is arranged on the push rod, a handle is arranged at the rear end of the push rod, and anti-skid threads are arranged on the side surface and the rear end surface of the handle; in the process that the push rod drives the piston to move forwards, the holding tube drives the medicine tube and the push rod to rotate relatively under the guidance of the guide screw hole and the guide thread; in the initial state, the piston is positioned at the rear end of the straight pipe part, gynecological gel is filled in the space in the inner cavity of the medicine pipe, which is positioned at the front side of the piston, and the medicine pipe is coated with a plastic film for plugging the side hole.

2. The novel gynecological applicator according to claim 1, characterized in that: the medicine tube rotates at least one circle and less than three circles in the medicine pushing process.

3. The novel gynecological applicator according to claim 1, characterized in that: the round center of the back side of the piston is provided with a concave seat, the front end of the push rod is a spherical end, and the spherical end can be inserted into the concave seat and can rotate relatively.

4. The novel gynecological applicator according to claim 3, characterized in that: the conical head is hollow, and the concave seat is fixed at the center of a circle at the rear end of the conical head; the piston is annular and is sleeved on the outer side wall of the rear end of the conical head, and the piston and the conical head are fixed through adhesion.

5. The novel gynecological applicator according to claim 3, characterized in that: the medicine tube is connected with the holding tube by threads, so that the medicine tube can be disassembled and assembled; the medicine tube, the piston and the conical head inside the medicine tube are made of disposable medical materials and are disposable parts; the holding tube, the rotating sleeve and the push rod are reusable components.

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