CN213345879U - Obstetrical department is with artifical rupture of membranes device - Google Patents

Abstract

The utility model provides an obstetrical department is with artifical rupture of membranes device, including syringe needle, safety cover and hose, the syringe needle is fixed on the safety cover, the point portion of syringe needle expose in the front end of safety cover, the hose can stretch into from the rear end the safety cover passes thereby the safety cover covers the point portion of syringe needle, the hose can be followed the outside pull of rear end of safety cover and exposed the point portion of syringe needle. The utility model discloses a safety cover and hose protect the syringe needle, and the syringe needle does not expose when putting into, avoids doctor and pregnant woman to be stabbed by the syringe needle.

Description

Obstetrical department is with artifical rupture of membranes device

Technical Field

The utility model relates to an obstetrical department especially relates to an artifical rupture of membranes device that obstetrical department used with disposable medical instrument.

Background

The artificial membrane rupture is a common obstetrical operation with skill, belongs to the field of minimally invasive operation, and has certain risk due to the puncture operation. Both for patients and healthcare workers, there is a need for good protection during this process from accidental needle stick injuries. Due to the difference of human body structures, in addition to the requirement of skill in actual operation, good tools can obviously double the effort, and the operation safety can be improved.

Therefore, there are many researches on artificial membrane rupturing tools in the prior art, for example, the chinese patent application CN202010107451.0 discloses an artificial membrane rupturing device, through the needle cylinder sample device and the built-in membrane breaking needle head, the drawing needle handle generates negative pressure to make the amniotic sac suck into the needle cylinder to touch the needle head so as to achieve the purpose of membrane breaking and can protect medical personnel to a certain extent, for example, CN201911085569.1 discloses an artificial membrane breaking device for obstetrics and gynecology department, through rotating the turning handle, the turning handle drives the screw rod and rotates at the outer wall of girder, and the screw rod is blocked by the baffle and can only rotate in the original place, and the screw rod drives a screw section of thick bamboo and is the screw motion at the outer wall, and a screw section of thick bamboo drives the ejector pin motion, and the ejector pin promotes the riser block motion, and the riser block drives horizontal pole upward movement, and the horizontal pole drives arc pole and ejector block motion, has reached the accessible and has supported the expansion and avoid the staff to stretch into the inside effect of carrying out the rupture of membranes of vagina, has realized the benefit that can safe. Above-mentioned two kinds of devices can both play certain security performance, but in practice, the artifical rupture of membranes ware of first kind is unable to be built-in, through outwards adsorbing, is difficult to operate to the lying-in woman of position behind the cervix or the high position of cervix, very easily produces the damage moreover, and the second kind of device structure is very complicated, as disposable article, to the very low artifical rupture of membranes operation of operating cost, obviously does not possess the practicality.

Disclosure of Invention

The utility model aims to solve the technical problem that an artificial rupture of membranes device is used to obstetrical department is provided, can overcome the problem in the background art.

The utility model provides a technical scheme that technical problem adopted is:

the utility model provides an obstetrical department uses artifical rupture of membranes device, includes syringe needle, safety cover and hose, the syringe needle is fixed on the safety cover, the point portion of syringe needle expose in the front end of safety cover, the hose can stretch into from the rear end the safety cover passes thereby the safety cover covers the point portion of syringe needle, the hose can be followed the outside pull of rear end of safety cover and exposed the point portion of syringe needle.

Furthermore, the protective cover is made of flexible plastic materials, and the front end of the protective cover, which is exposed out of the needle head, is provided with a smooth cambered surface.

Further, a cover plate is arranged at the rear end of the protective cover, and the tail end of the needle head is fixed on the inner surface of the cover plate.

Furthermore, a needle fixing part is arranged in the middle of the cover plate, and the tail end of the pillow is fixed on the needle fixing part.

Further, the periphery of the needle fixing part is provided with a mounting groove matched with the shape of the hose, and the hose can extend into the protective cover through the mounting groove and cover the needle.

Further, the mounting groove is 2/3-3/4 ring-shaped.

Further, the hose comprises a needle shield location capable of extending into and through the protective cover, the needle shield location being tubular from 2/3 to 3/4.

Further, the section ring shape of the needle shield part is smaller than that of the mounting groove part.

Furthermore, the front end of the protective cover is provided with a mounting hole matched with the shape of the hose, and the hose can penetrate through the mounting hole and extend out of the front end of the protective cover so as to cover the tip of the needle head.

Furthermore, a limiting device is arranged on the hose to prevent the hose from being pulled out of the protective cover.

The utility model has the advantages that:

(1) the utility model discloses a safety cover and hose protect the syringe needle, and the syringe needle does not expose when putting into, avoids doctor and pregnant woman to be stabbed by the syringe needle.

(2) The utility model discloses when preparing the rupture of membranes, can follow the outside pull hose in safety cover rear and make the syringe needle expose and carry out artifical rupture of membranes, the rupture of membranes device of impulse type among the prior art more has simple operation nature and controllability.

(3) The utility model discloses a device structure is small and exquisite, especially to the high cervical position/under the condition that is difficult to rupture of membranes backward of cervix, all has certain advantage in the aspect of maneuverability and security.

(4) The utility model discloses the ordinary simple structure of material, low in manufacturing cost easily clinical realization.

Drawings

Fig. 1 is an overall structure diagram of the present invention.

Fig. 2 is a schematic view of the protective cover of the present invention from the rear end.

Fig. 3 is a schematic view of a hose.

Reference numbers in the figures: the needle comprises a needle 1, a tip part 11, a needle seat 12, a protective cover 2, a cover plate 21, a needle fixing part 22, a mounting groove 23, a hose 3 and a needle shield part 31.

Detailed Description

The technical solution of the present invention will be described in detail with reference to the accompanying drawings, and it should be noted that the embodiments are only for the specific illustration of the present invention, and the purpose thereof is to make those skilled in the art better understand and realize the technical solution of the present invention, and should not be considered as the limitation of the present invention, and the protection scope of the present invention is still subject to the scope defined by the claims.

As shown in the figure, the utility model provides a membrane rupture device for obstetrical department, including syringe needle 1, safety cover 2 and hose 3, syringe needle 1 is fixed on safety cover 2, syringe needle 1 includes sharp portion 11 that can puncture and syringe needle seat 12 that is used for installing, syringe needle seat 12 has certain width, can be used for pasting or welding on safety cover 2, syringe needle seat 12 is fixed on apron 21 at the safety cover rear end, the front end of safety cover is equipped with the mounting hole, the size of mounting hole should guarantee at least that the hose can pass through, the sharp portion 11 of syringe needle can stretch out from the mounting hole at the safety cover front end, expose in the front end of safety cover, simultaneously, the safety cover is under non-use condition, hose 3 can stretch into safety cover and pass the safety cover from the rear end of safety cover 2, then stretch out from the trompil at the safety cover front end, cover the sharp portion 11 of syringe needle, thereby protect the sharp portion of syringe needle under non-, preventing puncture injury when not in use. In use, the hose 3 can be pulled outwardly from the rear end of the protective cover 2 and expose the tip of the needle, which can then be subjected to a manual rupture operation.

Preferably, in order to ensure that unnecessary scratches are not caused to the human body during membrane rupture, the whole protective cover 2 is made of a flexible plastic material, and the protective cover 2 has a smooth arc-shaped front end capable of exposing the needle head, so that discomfort to the body of the pregnant woman during insertion is avoided.

Preferably, a needle fixing portion 22 is provided in the middle of the cover plate 21 of the protective cover 2, and the end of the pillow is fixed to the needle fixing portion.

Preferably, the periphery of the needle fixing portion 22 is provided with an installation groove 23 matching with the shape of the hose 3, so that the hose 3 can extend into the protective cover 2 through the installation groove 23 and further pass through the protective cover 2 to cover the needle 11.

Preferably, in order to ensure a secure connection of the needle fixing portion 22 and a certain coverage of the hose 3, the needle may be covered with the mounting groove 2/3 to 3/4 in a ring shape, i.e. the mounting groove is not a complete ring shape but a partially grooved ring shape as viewed in cross section as shown in fig. 2.

Preferably, the hose 3 comprises a needle shield site 31 which is capable of extending into and through said protective shield in order to mate with the needle fixing site 22, and a slot 32 is provided in the needle shield site so that the needle shield site 31 is designed to be 2/3 to 3/4 tubular, and the rest may be a full tube.

Preferably, the cross-sectional ring shape of the needle shield part is not greater than the cross-sectional ring shape of the mounting groove part, specifically, the length of the ring shape is referred to, for example, the cross-sectional ring shape of the mounting groove part is 3/4 rings, and the cross-sectional ring shape of the needle shield part can be the ring length within 3/4 rings, so that the needle shield part of the needle tube can be ensured to move in the mounting groove to be drawn.

Preferably, the hose 3 is provided with a limiting device to prevent the hose 3 from being pulled out of the protective cover 2, for example, the end of the hose 3 is provided with a full-section pipe without opening, so that the needle fixing part 22 can be blocked by the cover plate without being separated from the protective cover 2, therefore, after the membrane rupture is completed, if the insertion depth is shallow, the membrane rupture device can be pulled out along the insertion direction through the hose, after the membrane rupture device is pulled out, the protective cover is pulled back rapidly to enable the hose to cover the needle again, and if the membrane rupture device is deeper, the protective cover 2 can be pressed and pulled back immediately after the membrane rupture, so that the used needle is covered by the hose again, and then the whole body is taken out to prevent the patient or the doctor from being punctured.

Claims (10)

1. The utility model provides an obstetrical department uses artifical rupture of membranes device, characterized by, includes syringe needle, safety cover and hose, the syringe needle is fixed on the safety cover, the point portion of syringe needle expose in the front end of safety cover, the hose can stretch into from the rear end the safety cover passes thereby the safety cover covers the point portion of syringe needle, the hose can be followed the outside pull of rear end of safety cover and exposed the point portion of syringe needle.

2. An obstetrical rupture device according to claim 1, wherein said protective cover is made of flexible plastic material, and the front end of the protective cover exposed from the needle has a rounded curved surface.

3. An obstetrical rupture device according to claim 1, wherein said protective cover is provided at a rear end thereof with a cover plate, and a distal end of said needle is fixed to an inner surface of said cover plate.

4. The obstetric artificial rupture device of claim 3, wherein a needle fixing portion is provided in the middle of said cover plate, and the tip of said needle is fixed to said needle fixing portion.

5. The obstetrical artificial membrane rupturing device of claim 4, wherein an installation groove matched with the shape of the hose is formed in the periphery of the needle fixing portion, and the hose can extend into the protective cover through the installation groove and cover the needle.

6. The artificial obstetric rupture device as set forth in claim 5, wherein the mounting groove is formed in a ring shape of 2/3-3/4.

7. An obstetric rupture device as claimed in claim 6, wherein said flexible tube includes a needle shield portion adapted to extend into and through said protective cover, said needle shield portion being tubular in shape from 2/3 to 3/4.

8. An obstetrical artificial rupture device according to claim 7, wherein the cross-sectional annular shape of the needle shield portion is smaller than the cross-sectional annular shape of the mounting groove portion.

9. An obstetrical membrane rupturing device according to claim 1, wherein the front end of the protective cover is provided with a mounting hole matching the shape of the hose, and the hose can extend out of the front end of the protective cover through the mounting hole to cover the tip of the needle.

10. An obstetrical membrane rupturing device as claimed in claim 1, wherein said flexible tube is provided with a stop means to prevent said flexible tube from being pulled out of said protective cover.

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