CN211536161U - Combined gynecological medicine injector - Google Patents
Combined gynecological medicine injector Download PDFInfo
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- CN211536161U CN211536161U CN201921422911.8U CN201921422911U CN211536161U CN 211536161 U CN211536161 U CN 211536161U CN 201921422911 U CN201921422911 U CN 201921422911U CN 211536161 U CN211536161 U CN 211536161U
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Abstract
The utility model relates to the technical field of medical instruments, in particular to a combined type gynecological medicine pusher, which consists of a medicine tube component and a rotary pushing component; the medicine tube assembly consists of a medicine tube, a piston and a conical head, the medicine tube consists of a conical part and a straight tube part, side holes are arranged around the conical part, and the conical head is positioned on the front side of the piston and gradually increases the outer diameter of the conical head from front to back; the rotary pushing assembly comprises a pipe shell, a rotary sleeve is arranged at the front end of the pipe shell, a guide screw hole is formed in the rotary sleeve, a travel bolt and a thrust spring are arranged inside the pipe shell, a push rod is arranged on the front side of the travel bolt, the push rod penetrates through the guide screw hole, and a pushing top part is arranged at the front end of the push rod; when the rotary pushing component is in a loading state, if the sliding arm is rotated to the sliding groove, the pushing top can push the piston to move forwards, and the rotating sleeve can be driven to drive the medicine tube to rotate in the process of forward movement of the pushing rod. The utility model has convenient and fast operation, and the patient can easily operate by himself; can realize the rotation type and administer medicine, do benefit to dissolving and absorbing of gynaecology's gel, adopt the combination formula design, reduce the material waste.
Description
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: a. in the process of pushing the medicine, on one hand, a bobbin of the existing gynecological medicine pusher needs to be kept stable, and on the other hand, a push rod needs to be driven manually to move forwards, so that the operation is laborious, and the difficulty of self-operation of a patient is high; b. the gynecological gel is discharged from an opening at the front end of a bobbin by the conventional gynecological pusher, the discharged gynecological gel is in a lump shape, on one hand, the dissolution rate of the lump gynecological gel is low, the medicine absorption efficiency is low, on the other hand, the contact area of the gynecological gel and an affected part is small, the gynecological gel is not uniformly distributed, even though the gynecological gel is dissolved, the medicine effect can only be intensively acted on a belt-shaped local area, and the omnibearing medicine treatment on the affected part cannot be carried out; c. the existing gynecological medicine pusher is usually designed in a disposable mode, and although the effect of safety and sanitation is achieved, the medicine pusher is integrally discarded after being used, so that certain material waste is caused, and meanwhile, the treatment cost of a patient is increased to a certain degree.
The device can not be placed, in the prior art, the technical scheme of adopting the opening on the side wall of the bobbin does not exist, so that the contact area between the discharged gynecological gel and the affected part is increased, but the structure of the type of the medicine pusher is complex, the medicine amount discharged by the side holes distributed in the front and back is not uniform, and more gynecological gel is easy to remain in the bobbin in the using process, so that the advantages brought in the clinical using process are not obvious, and the device cannot be popularized and used in a large range.
SUMMERY OF THE UTILITY MODEL
For overcoming the above-mentioned not enough among the prior art, the utility model provides a very convenient, laborsaving operation can increase gynaecology's gel and affected part area of contact to make gynaecology's gel distribute evenly and easily dissolve and absorb, and can reduce the wasting of resources, reduce use cost's combination formula gynaecology's pusher.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
a combined gynecological medicine injector is characterized by comprising a disposable medicine tube component and a reusable rotary pushing component;
wherein, the medicine tube component consists of a medicine tube, a piston and a conical head; 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 is closed, and side holes are uniformly distributed on the peripheral side wall; the rear end of the straight pipe part is provided with a combined part, the piston can only slide in the straight pipe part, the conical head is positioned 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 front 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; in an initial state, the piston is positioned at the rear end of the straight pipe part, and 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;
the rotary pushing assembly comprises a pipe shell, the front end of the pipe shell is provided with a rotary sleeve in rotary connection, the front end of the rotary sleeve can be connected with the combined part of the medicine pipe, and the axis of the rotary sleeve is provided with a guide screw hole for penetrating the front hole and the rear hole of the rotary sleeve; the side wall of the pipe shell is provided with a sliding chute extending forwards and backwards and a limiting groove vertical to and communicated with the rear end of the sliding chute; a moving bolt and a thrust spring for driving the moving bolt to move forwards are arranged in the pipe shell, and the moving bolt is fixedly connected with a sliding arm which can only move along the sliding groove and the limiting groove; the outer end of the slide arm is positioned outside the pipe shell and is provided with a handle part; a push rod is fixed on the front side of the travel bolt, the push rod penetrates through the guide screw hole and is matched with the guide screw hole through guide threads, and a push top part which is connected in a rotating mode is arranged at the front end of the push rod; when the sliding arm is positioned in the limiting groove, the rotary pushing assembly is in a loading state, the axial position of the sliding bolt is locked, and the thrust spring is in a compression state; when the medicine tube assembly in the initial state is combined with the rotating and pushing assembly in the loading state, the pushing top does not push the piston, and then if the sliding arm rotates to the sliding groove, the pushing spring provides pushing force, the pushing top can push the piston to move forwards and reach the front end of the straight tube part, and the rotating sleeve can be driven to drive the medicine tube to rotate in the pushing rod moving forwards process.
The working principle of the combined gynecological medicine pusher is as follows:
the handle part is pulled backwards by the handheld pipe shell, when the sliding arm reaches the tail end of the sliding groove, the handle part is twisted to enable the sliding arm to enter the limiting groove, under the limitation of the limiting groove, the sliding bolt can overcome the thrust of the thrust spring and cannot move forwards and axially, and at the moment, the screwing and pushing assembly is adjusted to a loading state; the combination part of the medicine tube is combined and connected with the rotary sleeve, so that the combination of the medicine tube component and the rotary pushing component is completed; the medicine tube is placed in a proper position in the vagina of a patient by the tube holding shell, the handle part is twisted to enable the sliding arm to be separated from the limiting groove and enter the sliding groove, then the free bolt, the push rod and the push top part move forwards under the driving of the push spring, on one hand, the push top part pushes the piston and the conical head to move forwards, a gap exists between the side walls of the conical head and the conical head due to the fact that the conical head and the conical part have conicity, gynecological gel is discharged outwards from each side hole through the gap after being pressed and is contacted with the vagina wall of the patient, on the other hand, the push rod drives the rotating sleeve to rotate through the guide thread in the advancing process, the rotating sleeve drives the medicine tube to rotate in the vagina, rotary administration is achieved, the contact area of the gynecological gel and an affected part is further improved, and the rotating medicine tube can play a; when the slide arm is observed not to move any more, the piston and the conical head are both positioned at the front end of respective stroke, and the gynecological gel in the medicine tube almost has no residue; and finally, taking the medicine tube out of the body of the patient, namely finishing the whole medicine pushing operation, treating the used medicine tube assembly as medical waste, and cleaning the rotary pushing assembly for the next use.
Compared with the prior art, the utility model, it has following beneficial effect:
when the combined gynecological medicine pusher is clinically used, the rotary pushing component is adjusted to the loading state in advance before medicine pushing is carried out, the rotary pushing component automatically drives the medicine tube component to complete medicine pushing by utilizing potential energy accumulated by the rotary pushing component in the medicine pushing process, manual power is not needed, the operation is convenient and rapid, time and labor are saved, and a patient can easily operate the combined gynecological medicine pusher by himself; 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 direct contact area of the gynecological gel and an affected part is increased, a certain smearing effect is achieved, the gynecological gel is distributed more dispersedly and more uniformly, and the gynecological gel is favorably dissolved and the medicinal components are favorably and quickly absorbed; because this combination formula gynaecology's impeller has adopted the design of combination formula, although the subassembly that pushes away soon comprises a plurality of parts, but because of it does not contact with the affected part and repeatedly usable, disposable cartridge subassembly need not to set up the position of gripping and length is shorter, the cartridge subassembly need not to set up the push rod alone in addition, make cartridge subassembly simpler than current impeller structure, the cost is cheaper, the material waste has been reduced, when clinical application, one set of subassembly that pushes away soon can cooperate many sets of cartridge subassemblies to use, make this combination formula gynaecology's impeller's average use cost can not be higher than current gynaecology's impeller. Based on the above, the combined type gynecological medicine injector has great application prospect and popularization significance in clinic.
Drawings
Fig. 1 is a schematic structural view of a cartridge assembly.
Figure 2 is a view of the cartridge tube assembly with the piston located at the forward end of the straight tube portion.
Fig. 3 is an exploded view of the rotational-pushing assembly.
Fig. 4 is a cross-sectional view of the spin-on assembly.
Fig. 5 is a schematic view of the assembly in the cocked state.
Fig. 6 is a schematic view showing the combination of the cartridge assembly and the rotational pushing assembly.
Figure 7 is a cross-sectional view of the combination of the cartridge assembly and the rotational pushing assembly.
Fig. 8 is a schematic view of the working principle of the combined gynecological injector.
In the figure, 1, a plastic film, 2, a conical part, 3, a straight pipe part, 4, a piston, 5, a combined part, 6, a conical head, 7, a side hole, 8, a guide thread, 9, a rotating sleeve, 10, a sliding arm, 11, a handle part, 12, a thrust spring, 13, a pipe shell, 14, a limiting groove, 15, a sliding groove, 16, a free bolt, 17, a guide screw hole, 18, a push rod, 19 and a push top part.
Detailed Description
Referring to fig. 6 and 7, the utility model discloses a combined type gynecological medicine injector which comprises a disposable medicine tube component and a reusable rotary pushing component;
as shown in fig. 1 and 2, the cartridge assembly comprises a cartridge, a piston 4 and a conical head 6; the medicine tube is of a shell structure and consists of a conical part 2 and a straight tube part 3 which are integrally formed in the front and the back; the inner diameter of the conical part 2 is gradually increased from front to back, namely the front part is small and the back part is large, the front end of the conical part 2 is closed, and side holes 7 for communicating the inner cavity of the conical part 2 with the outside are uniformly distributed on the peripheral side wall; the inner diameter of the straight pipe part 3 is consistent in front and back, a combined part 5 is arranged at the rear end of the straight pipe part, and the piston 4 can only slide in the straight pipe part 3 in a sealing way; the conical head 6 is positioned at the front side of the piston 4 and fixedly connected with the piston, and the outer diameter of the conical head is gradually increased from front to back, namely the conical head is small in front and large in back; when the piston 4 is positioned at the front end of the straight pipe part 3, the front end of the conical head 6 is contacted with the inner wall of the front end of the conical part 2, the side wall of the conical head 6 is contacted with the inner wall of the conical part 2, namely, the inner cavity space of the conical part 2 tends to be filled when the conical head 6 is positioned at the foremost end; when the medicine tube component is in an initial state, the piston 4 is positioned at the rear end of the straight tube part 3, and the space in the inner cavity of the medicine tube, which is positioned at the front side of the piston 4, is filled with gynecological gel (not shown);
as shown in fig. 3-8, the rotary push component includes a pipe shell 13, a rotary sleeve 9, a bolt 16, a thrust spring 12 and a push rod 18; the shell 13 is cylindrical, the front end of the shell is rotatably connected with the rotary sleeve 9, namely the shell and the rotary sleeve can only rotate relatively, the front end of the rotary sleeve 9 is used for being combined and connected with the combination part 5 of the medicine tube, and the axis of the rotary sleeve 9 is provided with a guide screw hole 17 for penetrating the front hole and the rear hole; the side wall of the pipe shell 13 is provided with a sliding chute 15 extending forwards and backwards and a limiting groove 14 vertical to and communicated with the rear end of the sliding chute 15; the trip bolt 16 is cylindrical and is positioned in the pipe shell 13, the trip bolt 16 is fixedly connected with the sliding arm 10, the sliding arm 10 can only move along the sliding groove 15 and the limiting groove 14, the outer end of the sliding arm 10 extends out of the pipe shell 13 and is provided with a handle part 11, the trip bolt 16 has a moving stroke under the matching of the sliding groove 15 and the sliding arm 10, and the thrust spring 12 is positioned in the pipe shell and is used for driving the trip bolt 16 to move forwards; when the sliding arm 10 is positioned in the sliding groove 15, the thrust spring 12 can drive the trip bolt 16 to move towards the front end of the stroke, after the sliding arm 10 is adjusted to the rear end of the sliding groove 15 by using the handle part 11, the handle part 11 is twisted to enable the sliding arm 10 to move into the limiting groove 14, when the sliding arm 10 is positioned in the limiting groove 14, the axial position of the trip bolt 16 is limited, and the thrust spring 12 cannot drive the trip bolt 16 to move forwards; the push rod 18 is fixed at the front side of the travel bolt 16, the push rod 18 passes through a guide screw hole 17 of the rotating sleeve 9, the push rod 18 is matched with the guide screw hole 17 through a guide thread 8, the front end of the push rod 18 is provided with a push top part 19 for pushing the piston 4, and the push top part 19 and the push rod 18 can only relatively rotate; when the handle 11 is manually driven to move the sliding arm 10 into the limiting groove 14, the rotary pushing assembly is in a loading state, at the moment, the axial position of the sliding bolt 16 is locked, and the thrust spring 12 is in a compression state and keeps high potential energy; when the cartridge assembly in the initial state is combined with the screwing and pushing assembly in the loading state, the pushing top part 19 at the front end of the push rod 18 does not push the piston 4, and then if the slide arm 10 is screwed to the chute 15, the pushing spring 12 provides a pushing force, the sliding bolt 16, the push rod 18 and the pushing top part 19 move forwards integrally, the pushing top part 19 can push the piston 4 to move forwards and reach the front end of the straight pipe part 3, and the rotating sleeve 9 can be driven to drive the cartridge to rotate in the process of the forward movement of the push rod 18.
The use method and the working principle of the combined gynecological medicine pusher are as follows:
referring to fig. 5, the handle 11 is pulled backwards by the hand-held casing 13, when the slide arm 10 reaches the tail end of the slide slot 15, the handle 11 is twisted to make the slide arm 10 enter the limit slot 14, under the limit of the limit slot 14, the axial position of the free bolt 16 is locked, which can overcome the thrust of the thrust spring 12 and does not move axially forwards, at this time, the screwing and pushing assembly is adjusted to the upper-chamber state, because the thrust spring 12 is compressed to have larger elastic potential energy; as shown in fig. 6, the combination part 5 of the drug tube is combined and connected with the rotary sleeve 9, thus completing the combination of the drug tube component and the rotary pushing component; referring to fig. 6, 7 and 8, the holding tube shell 13 places the medicine tube in the proper position in the vagina of the patient, the handle 11 is twisted to make the sliding arm 10 separate from the limiting groove 14 and enter the sliding groove 15, then the sliding bolt 16, the push rod 18 and the push top part 19 move forward together under the drive of the push spring 12, on one hand, the push top part 19 will push the piston 4 and the conical head 6 to move forward, because the conical head 6 and the conical part 2 both have conicity, when the conical head 6 does not reach the front end of the travel, a gap is always present between the conical head 6 and the side wall of the conical part 2, the gynecological gel is discharged from each side hole 7 through the gap and contacts with the vaginal wall of the patient after being pressed, on the other hand, because the push rod 18 is restricted by the sliding bolt 16 during the forward movement and can not rotate, the push rod 18 will drive the rotating sleeve 9 to rotate through the guide thread 8, the rotating sleeve 9 will drive the medicine tube connected with the rotating sleeve to rotate in, the rotary drug delivery is realized, the contact area between the gynecological gel and the affected part is further improved, and the rotary drug tube can play a certain smearing role; when the slide arm 10 is observed not to move any more, the piston 4 and the conical head 6 are both positioned at the front end of respective stroke, at the moment, the piston 4 is positioned at the front end of the straight tube part 3, the front end of the conical head 6 is contacted with the inner wall of the front end of the conical part 2, the side wall of the conical head 6 is contacted with the inner wall of the conical part 2, and the gynecological gel in the medicine tube is almost not remained in the medicine tube assembly in the state; and finally, taking the medicine tube out of the body of the patient, namely finishing the whole medicine pushing operation, treating the used medicine tube assembly as medical waste, and cleaning the rotary pushing assembly for the next use.
Referring to fig. 8, when the combined gynecological medicine pusher is used clinically, the rotary pushing component is adjusted to a loading state in advance before medicine pushing is carried out, the rotary pushing component automatically drives the medicine tube component to push medicine by utilizing self-accumulated potential energy in the medicine pushing process, manual power supply is not needed, the operation is convenient and rapid, time and labor are saved, and a patient can easily operate the combined gynecological medicine pusher by himself.
Referring to fig. 8, in the whole medicine pushing process, the medicine tube can rotate, and each side hole 7 can discharge gynecological gel in the whole process, so that the direct contact area of the gynecological gel and an affected part is increased, a certain smearing effect is achieved, the gynecological gel is distributed more dispersedly and more uniformly, and the dissolution of the gynecological gel and the rapid absorption of medicinal ingredients are facilitated.
The combined gynecological medicine pusher adopts a combined design, although the rotary pushing component is composed of a plurality of parts, the rotary pushing component can be repeatedly used because the rotary pushing component is not contacted with an affected part, the disposable medicine tube component is short in length because a holding part is not required to be arranged, and in addition, the medicine tube component is not required to be independently provided with the push rod 18, so that the medicine tube component is simpler in structure and lower in cost compared with the existing medicine pusher, and the material waste is reduced; in clinical application, one set of rotary pushing component can be matched with a plurality of sets of medicine tube components for use, so that the average use cost of the combined gynecological medicine pusher is not higher than that of the existing gynecological medicine pusher.
Referring to fig. 8, in the combined type gynecological injector, gynecological gel is stored in an inner cavity of a medicine tube, side holes 7 capable of discharging the gynecological gel are uniformly distributed in a side wall of a conical portion 2, and in the implementation process of the combined type gynecological injector, necessary measures are taken to avoid leakage of the gynecological gel from the side holes 7 before use.
Referring to fig. 4, 7 and 8, in the combined type gynecological medicine injector, the rotary sleeve 9 and the tube shell 13, and the push rod 18 and the push top 19 are connected in a relatively rotatable manner so as to ensure that the medicine tube assembly can rotate relatively with the tube shell 13 and the push rod 18 in the rotary pushing assembly during the medicine injecting process, and as for the prior art, the rotary connection manner of the rotary sleeve 9 and the tube shell 13, and the push rod 18 and the push top 19 has various embodiments and has no implementation obstacles, and in order to reduce the rotation resistance between the rotary matching parts, a bearing can be arranged between the rotary matching parts.
As shown in fig. 3-5, in the combined gynecological medicine pusher, in order to make the movement of the free bolt 16 in the tube shell 13 more stable, and also in order to make the manual adjustment of the position of the slide arm 10 through the handle 11 more labor-saving and convenient; the side wall of the pipe shell 13 is provided with a sliding groove 15 and a limiting groove 14 on two opposite sides, the traveling bolt 16 is fixed with two sliding arms 10, the two sliding arms 10 are respectively matched with the two sliding grooves 15 in a sliding manner, the outer end parts of the sliding arms 10 are respectively provided with a handle part 11, the two sliding arms 10 can be driven to reach the rear ends of the two sliding grooves 15 simultaneously through the two handle parts 11, and then the two sliding arms 10 can be driven to move into the corresponding limiting grooves 14 by twisting the handle parts 11.
Referring to fig. 6, 7 and 8, in the combined type gynecological medicine pusher, a combination part 5 is arranged at the rear end of a medicine tube, a rotary sleeve 9 can be combined and connected with the combination part 5, so that the combination of the medicine tube component and the rotary pushing component is realized, and the combination part 5 and the rotary sleeve 9 have certain stability after being combined; on one hand, the holding and rotating pushing assembly can stably place the medicine tube assembly in the vagina of a patient before medicine pushing operation, and on the other hand, the rotating sleeve 9 can drive the medicine tube to synchronously rotate without relative movement in the medicine pushing process; in the prior art, the matching structure of the combination part 5 and the rotary sleeve 9 has various embodiments, for example, the combination part 5 and the rotary sleeve 9 can be combined in an insertion manner, and a positioning mechanism for locking the relative positions of the combination part 5 and the rotary sleeve 9 is arranged on the combination part 5 or the rotary sleeve 9 and consists of a positioning hole and a spring plunger; in addition, as shown in fig. 1, 5 and 6, the combined part 5 and the rotary sleeve 9 are provided with mutually matched threads, after the combined part 5 and the rotary sleeve 9 are screwed down, when the rotary sleeve 9 drives the medicine tube to rotate in the medicine pushing process, the combined part 5 and the rotary sleeve 9 are in a continuous screwing trend, so that the combined part 5 and the rotary sleeve 9 can be ensured not to rotate relatively in the medicine pushing process.
Referring to fig. 7 and 8, when the combined gynecological medicine pusher is used clinically, the rotating sleeve 9 is driven to rotate by the guide thread 8 in the forward moving process of the push rod 18, the rotating sleeve 9 drives the medicine tube to rotate to realize rotary medicine feeding, and certain technical requirements on the rotation angle of the medicine tube in the medicine pushing process are met; on one hand, the medicine tube should rotate at least one circle in the whole 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 whole medicine pushing process should be less than three circles to ensure that the thread pitch of the guide thread 8 is proper and not too small, and in the process that the push rod 18 is pushed to move forwards by the push spring 12, the push rod 18 can drive the rotary sleeve 9 to drive the medicine tube to rotate through the guide thread 8, so that the screw rod mechanism formed by the push rod 18 and the rotary sleeve 9 in the medicine pushing process can not be in a locking state. Meanwhile, when the rotation angle of the medicine tube in the medicine pushing process is within the range, the rotation of the medicine tube does not cause discomfort to the patient. In the prior art, the above technical requirements are easily met by adjusting the pitch of the guide thread 8 in conjunction with the stroke of the piston 4.
Claims (4)
1. The utility model provides a modular gynaecology's medicine push device which characterized in that: it is composed of a disposable medicine tube component and a reusable rotary pushing component;
wherein, the medicine tube component consists of a medicine tube, a piston and a conical head; 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 is closed, and side holes are uniformly distributed on the peripheral side wall; the rear end of the straight pipe part is provided with a combined part, the piston can only slide in the straight pipe part, the conical head is positioned 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 front 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; in an initial state, the piston is positioned at the rear end of the straight pipe part, and 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;
the rotary pushing assembly comprises a pipe shell, the front end of the pipe shell is provided with a rotary sleeve in rotary connection, the front end of the rotary sleeve can be connected with the combined part of the medicine pipe, and the axis of the rotary sleeve is provided with a guide screw hole for penetrating the front hole and the rear hole of the rotary sleeve; the side wall of the pipe shell is provided with a sliding chute extending forwards and backwards and a limiting groove vertical to and communicated with the rear end of the sliding chute; a moving bolt and a thrust spring for driving the moving bolt to move forwards are arranged in the pipe shell, and the moving bolt is fixedly connected with a sliding arm which can only move along the sliding groove and the limiting groove; the outer end of the slide arm is positioned outside the pipe shell and is provided with a handle part; a push rod is fixed on the front side of the travel bolt, the push rod penetrates through the guide screw hole and is matched with the guide screw hole through guide threads, and a push top part which is connected in a rotating mode is arranged at the front end of the push rod; when the sliding arm is positioned in the limiting groove, the rotary pushing assembly is in a loading state, the axial position of the sliding bolt is locked, and the thrust spring is in a compression state; when the medicine tube assembly in the initial state is combined with the rotating and pushing assembly in the loading state, the pushing top does not push the piston, and then if the sliding arm rotates to the sliding groove, the pushing spring provides pushing force, the pushing top can push the piston to move forwards and reach the front end of the straight tube part, and the rotating sleeve can be driven to drive the medicine tube to rotate in the pushing rod moving forwards process.
2. The combined gynecological applicator according to claim 1, wherein: the medicine tube is coated with a plastic film for plugging the side hole.
3. The combined gynecological applicator according to claim 1, wherein: the side wall of the pipe shell is respectively provided with a sliding groove and a limiting groove at two opposite sides, the traveling bolt is fixed with two sliding arms which are respectively in sliding fit with the two sliding grooves, the outer ends of the sliding arms are respectively provided with a handle part, the two sliding arms can be driven to reach the rear ends of the two sliding grooves simultaneously through the two handle parts, and then the handle parts are twisted to drive the two sliding arms to respectively move into the corresponding limiting grooves.
4. The combined gynecological applicator according to claim 1, wherein: the combined part and the rotating sleeve are provided with mutually matched threads, and after the combined part and the rotating sleeve are screwed up through the threads, the combined part and the rotating sleeve are in a trend of continuing screwing up when the rotating sleeve drives the medicine tube to rotate in the medicine pushing process.
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CN201921422911.8U CN211536161U (en) | 2019-08-29 | 2019-08-29 | Combined gynecological medicine injector |
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CN201921422911.8U CN211536161U (en) | 2019-08-29 | 2019-08-29 | Combined gynecological medicine injector |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110368575A (en) * | 2019-08-29 | 2019-10-25 | 赵俊文 | A kind of combined type gynaecology drug pushing device |
CN113730692A (en) * | 2021-08-23 | 2021-12-03 | 魏萌 | Hemodialysis reverse osmosis membrane subassembly |
-
2019
- 2019-08-29 CN CN201921422911.8U patent/CN211536161U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110368575A (en) * | 2019-08-29 | 2019-10-25 | 赵俊文 | A kind of combined type gynaecology drug pushing device |
CN113730692A (en) * | 2021-08-23 | 2021-12-03 | 魏萌 | Hemodialysis reverse osmosis membrane subassembly |
CN113730692B (en) * | 2021-08-23 | 2023-12-01 | 西安交通大学第一附属医院 | Hemodialysis reverse osmosis membrane assembly |
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