CN211934228U - Infection-preventing membrane rupturing device for obstetrics and gynecology department - Google Patents
Infection-preventing membrane rupturing device for obstetrics and gynecology department Download PDFInfo
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- CN211934228U CN211934228U CN202020089317.8U CN202020089317U CN211934228U CN 211934228 U CN211934228 U CN 211934228U CN 202020089317 U CN202020089317 U CN 202020089317U CN 211934228 U CN211934228 U CN 211934228U
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- rupture
- membrane
- amnion
- piston rod
- membranes
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Abstract
The utility model discloses a gynaecology and obstetrics is with preventing infecting rupture of membranes ware, including amnion rupture of membranes ware, rupture of membranes needle mechanism, handle, piston rod and drainage chamber, the inside of amnion rupture of membranes ware is equipped with the piston rod, and the top of piston rod is equipped with the handle to the bottom and the piston rod top fixed connection of handle, the bottom of piston rod is equipped with the piston head, and piston head and piston rod fixed connection to the surface of piston head is equipped with two sets of sealing washers, the sealing washer is connected with the piston head suit, and the inside of piston rod is equipped with rupture of membranes needle mechanism, and the amnion rupture of membranes ware surface cover of rupture of membranes needle mechanism below is equipped with lubricated liquid to lubricated liquid and amnion rupture of membranes ware fixed connection, the inside drainage chamber that is equipped with of amnion rupture of membranes ware of lubricated liquid one side, and be equipped with. The utility model discloses not only realized the high-efficient stable amnion that impales of membrane rupture device, avoided the interior liquid of amnion to flow out and arouse the infection, improved the security that the membrane rupture device used moreover.
Description
Technical Field
The utility model relates to a membrane rupture device technical field specifically is a gynaecology and obstetrics is with preventing infecting membrane rupture device.
Background
With the rapid development of society and the improvement of medical level, a parturient with hypodynamia and difficult uterine contraction in an active period can not break membranes automatically in production, generally needs to help the production by means of an artificial membrane breaking method, and breaks and tears a fetal membrane at a uterine opening in an artificial mode so as to observe the color of amniotic fluid, strengthen the uterine contraction and accelerate the progress of the labor process, but the existing membrane breaker still has some defects to be improved when in use.
The membrane rupture device on the market is various and can basically meet the use requirements of people, but certain problems still exist, and the specific problems include the following points:
(1) the existing membrane rupture device is generally inconvenient to efficiently and stably puncture amnion when in use, thereby seriously influencing the convenience degree of the membrane rupture device when in use;
(2) when the existing membrane rupture device is used, the drainage of the liquid in the amnion is generally inconvenient to carry out membrane rupture, so that the safety of the membrane rupture device in use is greatly influenced;
(3) the existing membrane rupture device is not convenient to support and clamp when in use, thereby bringing great trouble to people.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a gynaecology and obstetrics is with preventing infecting rupture of membranes ware to provide the rupture of membranes ware and be not convenient for high-efficient stable amnion that impales in solving above-mentioned background art, carry out the drainage to the liquid in the amnion during rupture of membranes, be not convenient for support the problem of centre gripping to rupture of membranes ware.
In order to achieve the above object, the utility model provides a following technical scheme: an infection-preventing membrane rupture device for obstetrics and gynecology department comprises an amniotic membrane rupture device, a membrane rupture needle mechanism, a handle, a piston rod and a drainage cavity, wherein the piston rod is arranged inside the amniotic membrane rupture device, the handle is arranged at the top end of the piston rod, the bottom end of the handle is fixedly connected with the top end of the piston rod, the piston head is arranged at the bottom end of the piston rod and is fixedly connected with the piston rod, two groups of sealing rings are arranged on the surface of the piston head, the sealing rings are sleeved with the piston head, the membrane rupture needle mechanism is arranged inside the piston rod, lubricating liquid is sleeved on the surface of the amniotic membrane rupture device below the membrane rupture needle mechanism and is fixedly connected with the membrane rupture device, the drainage cavity is arranged inside the amniotic membrane rupture device on one side of the lubricating liquid, a drainage hole is arranged on the inner wall of the amniotic membrane rupture device on one side of the drainage cavity, one end of the drainage hole extends to the inside of the, the bottom of the amnion membrane-rupturing device is provided with an arc-shaped wall, the top end of the arc-shaped wall is fixedly connected with the bottom end of the amnion membrane-rupturing device, the outer wall of one side of the amnion membrane-rupturing device is provided with a drainage tube, and one end of the drainage tube extends into the drainage cavity.
Preferably, the outer wall of one side of the amnion membrane rupture device is provided with a first base, the top end of the first base is provided with a clamping block, the bottom end of the clamping block is hinged with the top end of the amnion membrane rupture device, a supporting rod is arranged at the center position inside the clamping block, the outer wall of the supporting rod is fixedly connected with the inner wall of the clamping block, and the stable blocking connection of the supporting structure is realized.
Preferably, the bottom of bracing piece is equipped with the drainage bag, and the top and the bracing piece looks joint of drainage bag, the bottom of drainage bag is equipped with the flowing back valve, and the one end of flowing back valve extends to the inside of drainage bag, realizes that the rupture of membranes ware leads to the interior liquid of amnion.
Preferably, one side of the outer wall of the amnion membrane rupture device, which is far away from the first base, is provided with a second base, the top end of the second base is provided with a supporting arm, the bottom end of the supporting arm is fixedly connected with the top end of the second base, the top end of the supporting arm is fixed with a convex block, the top of the convex block is provided with a concave block, one end of the convex block extends to the inside of the concave block, and the stable connection of the hinge structure of the supporting arm is realized.
Preferably, the top of the concave block is fixed with a clamping block, a support frame is arranged in the clamping block, one end of the support frame extends to the surface of the amnion membrane rupture device, and two groups of placing frames are fixed on the outer wall of the amnion membrane rupture device above the support frame, so that the amnion membrane rupture device is stably supported.
Preferably, the inside of rupture of membranes needle mechanism has set gradually syringe handle, first stopper, supporting spring, second stopper, rupture of membranes syringe, sealing strip and sealed piece, the inside of piston rod is equipped with the rupture of membranes syringe, and the top of rupture of membranes syringe extends to the outside of piston rod to the top of rupture of membranes syringe is equipped with the syringe handle, and syringe handle and rupture of membranes syringe fixed connection realize that the rupture of membranes syringe seals.
Preferably, the rupture of membranes cylinder surface of cylinder handle below is equipped with first stopper, and first stopper and rupture of membranes cylinder fixed connection, be equipped with two sets of second stoppers on the piston rod inner wall of first stopper below, and second stopper and piston rod fixed connection to the top of second stopper is equipped with supporting spring, realizes that piston rod stable in structure connects.
Preferably, the bottom end of the supporting spring is fixedly connected with the second limiting block, the top end of the supporting spring is fixedly connected with the first limiting block, a sealing block is arranged on the surface of the membrane breaking needle cylinder below the supporting spring and fixedly connected with the membrane breaking needle cylinder, and a sealing tape is sleeved on the surface of the sealing block, so that the efficient and stable amnion piercing of the membrane breaking device is realized.
Compared with the prior art, the beneficial effects of the utility model are that: the membrane rupture device not only realizes the efficient and stable puncture of the membrane rupture device on the amnion, avoids the infection caused by the outflow of the liquid in the amnion, but also improves the use safety of the membrane rupture device;
(1) the infection-preventing membrane rupture device for the obstetrics and gynecology department is provided with a syringe handle, a first limiting block, a supporting spring, a second limiting block, a membrane rupture syringe, a sealing strip and a sealing block, vulva is disinfected conventionally, a sterile towel is laid, an operator washes hands, wears a sterile surgical gown, wears a sterile glove, a doctor holds a placing rack to support the amniotic membrane rupture device by hands, pulls a handle to drive a piston rod to move outwards, negative pressure is formed under the cooperation of a piston head and a sealing ring, the amnion of an amnion is tightly attached to an arc-shaped wall, the doctor pushes the syringe handle by hands to push the membrane rupture syringe to rupture, the membrane rupture syringe drives the supporting spring to compress under the cooperation of the first limiting block and the second limiting block, the sealing strip and the sealing block support and seal the membrane rupture syringe, the amniotic membrane rupture device can pierce the amnion efficiently and stably, and the child in the amniotic membrane rupture syringe is prevented;
(2) according to the infection-preventing membrane rupture device for the obstetrics and gynecology department, after the amnion is punctured, liquid in the amnion flows into the drainage cavity through the drainage hole, the liquid is guided, the liquid flows into the drainage bag through the drainage tube under the transmission of the drainage tube, then the clamping block is supported through the first base, and the clamping block supports the supporting rod, so that the drainage bag is supported by the supporting rod;
(3) this gynaecology and obstetrics is with preventing infecting rupture of membranes ware, seal the piston rod through the cooperation at piston head and sealing washer down, seal the cylinder handle under the cooperation of sealing strip and sealed piece, realize the stable use of rupture of membranes ware under multiunit sealing mechanism's cooperation, later support the support arm through the second base, the support frame supports amnion rupture of membranes ware, under the cooperation of lug and concave block, press from both sides tight piece and can carry out arbitrary angular rotation, carry out rotatory support to the support frame through pressing from both sides tight piece, realized the reliable and stable support to rupture of membranes ware, the rupture of membranes ware of taking of doctor convenient and fast has been made things convenient for.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
fig. 2 is a schematic side view of the cross-sectional structure of the present invention;
fig. 3 is a schematic top view of the cross-sectional structure of the present invention;
FIG. 4 is a schematic view of a cross-sectional enlarged structure of the membrane rupturing needle mechanism of the present invention;
fig. 5 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.
In the figure: 1. an amniotic membrane rupture device; 2. a rupture pin mechanism; 201. a syringe handle; 202. a first stopper; 203. a support spring; 204. a second limiting block; 205. a membrane breaking needle cylinder; 206. sealing tape; 207. a sealing block; 3. a handle; 4. a piston rod; 5. placing a rack; 6. a drainage tube; 7. a support bar; 8. a clamping block; 9. a drainage bag; 10. a drain valve; 11. a first base; 12. a lubricating fluid; 13. a drainage hole; 14. a piston head; 15. an arcuate wall; 16. a seal ring; 17. a drainage lumen; 18. a second base; 19. a support arm; 20. a bump; 21. a concave block; 22. a support frame; 23. and (5) clamping the blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides an embodiment: an infection-preventing membrane rupture device for obstetrics and gynecology department comprises an amniotic membrane rupture device 1, a membrane rupture needle mechanism 2, a handle 3, a piston rod 4 and a drainage cavity 17, wherein the piston rod 4 is arranged inside the amniotic membrane rupture device 1, the handle 3 is arranged at the top end of the piston rod 4, the bottom end of the handle 3 is fixedly connected with the top end of the piston rod 4, a piston head 14 is arranged at the bottom end of the piston rod 4, the piston head 14 is fixedly connected with the piston rod 4, two groups of sealing rings 16 are arranged on the surface of the piston head 14, the sealing rings 16 are connected with the piston head 14 in a sleeved mode, the membrane rupture needle mechanism 2 is arranged inside the piston rod 4, a needle cylinder handle 201, a first limiting block 202, a supporting spring 203, a second limiting block 204, a membrane rupture needle cylinder 205, a sealing strip 206 and a sealing block 207 are sequentially arranged inside the piston rod 4, the membrane rupture needle cylinder 205 is arranged inside the, the top end of the membrane-breaking needle cylinder 205 is provided with a needle cylinder handle 201, the needle cylinder handle 201 is fixedly connected with the membrane-breaking needle cylinder 205, the surface of the membrane-breaking needle cylinder 205 below the needle cylinder handle 201 is provided with a first limiting block 202, the first limiting block 202 is fixedly connected with the membrane-breaking needle cylinder 205, the inner wall of the piston rod 4 below the first limiting block 202 is provided with two groups of second limiting blocks 204, the second limiting blocks 204 are fixedly connected with the piston rod 4, the top end of each second limiting block 204 is provided with a supporting spring 203, the bottom end of each supporting spring 203 is fixedly connected with the corresponding second limiting block 204, the top end of each supporting spring 203 is fixedly connected with the corresponding first limiting block 202, the surface of the membrane-breaking needle cylinder 205 below the corresponding supporting spring 203 is provided with a sealing block 207, the sealing block 207 is fixedly connected with.
When the amnion membrane rupture device is used, a doctor holds the placing frame 5 by hand to support the amnion membrane rupture device 1, pulls the handle 3 to drive the piston rod 4 to move outwards, negative pressure is formed under the matching of the piston head 14 and the sealing ring 16, the amnion of a parturitor is tightly attached to the arc-shaped wall 15, the doctor pushes the syringe handle 201 by hand, so that the membrane rupture syringe 205 is pushed to puncture the amnion, the membrane rupture syringe 205 drives the supporting spring 203 to compress under the matching of the first limiting block 202 and the second limiting block 204, the sealing strip 206 and the sealing block 207 support and seal the membrane rupture syringe 205, the efficient and stable amnion puncture of the membrane rupture device is realized, and the phenomenon that the overlong membrane rupture syringe 205 hur.
The surface of the amnion membrane rupture device 1 below the membrane rupture needle mechanism 2 is sleeved with lubricating liquid 12, the lubricating liquid 12 is fixedly connected with the amnion membrane rupture device 1, a drainage cavity 17 is arranged inside the amnion membrane rupture device 1 on one side of the lubricating liquid 12, a drainage hole 13 is formed in the inner wall of the amnion membrane rupture device 1 on one side of the drainage cavity 17, one end of the drainage hole 13 extends to the inside of the drainage cavity 17, the other end of the drainage hole 13 extends to the inside of the amnion membrane rupture device 1, the bottom end of the amnion membrane rupture device 1 is provided with an arc-shaped wall 15, the top end of the arc-shaped wall 15 is fixedly connected with the bottom end of the amnion membrane rupture device 1, a drainage tube 6 is arranged on the outer wall on one side of the amnion membrane rupture device 1.
Be equipped with first base 11 on the outer wall of 1 one side of amnion membrane rupture device, and the top of first base 11 is equipped with grip block 8, and grip block 8's bottom is articulated mutually with 1 top of amnion membrane rupture device, the inside central point department of putting of grip block 8 is equipped with bracing piece 7, and the outer wall of bracing piece 7 and 8 inner wall fixed connection of grip block, the bottom of bracing piece 7 is equipped with drainage bag 9, and drainage bag 9's top and bracing piece 7 looks joints, drainage bag 9's bottom is equipped with flowing back valve 10, and the one end of flowing back valve 10 extends to drainage bag 9's inside.
After the amnion is pierced in use, liquid in the amnion flows into the drainage cavity 17 through the drainage hole 13, flows into the drainage bag 9 under the transmission of the drainage tube 6, the support rod 7, the clamping block 8 and the first base 11 support the drainage bag 9, and the liquid in the drainage bag 9 is discharged out through the liquid discharge valve 10, so that the drainage of the membrane rupture device on the liquid in the amnion is realized, the infection caused by the outflow of the liquid in the amnion is avoided, and the use safety of the membrane rupture device is improved.
One side of keeping away from first base 11 on the outer wall of amnion membrane rupture device 1 is equipped with second base 18, and the top of second base 18 is equipped with support arm 19, and the bottom and the 18 top fixed connection of second base of support arm 19, the top of support arm 19 is fixed with lug 20, and the top of lug 20 is equipped with concave block 21, and the one end of lug 20 extends to the inside of concave block 21, the top of concave block 21 is fixed with presss from both sides tight piece 23, and the inside of pressing from both sides tight piece 23 is equipped with support frame 22, and the one end of support frame 22 extends to the surface of amnion membrane rupture device 1, be fixed with two sets of racks 5 on the amnion membrane rupture device 1 outer wall of support frame 22 top.
The working principle is as follows: when in delivery, a puerpera bladder lithotomy position is taken, vulva is disinfected conventionally, a sterile towel is laid, an operator washes hands, wears a sterile operating coat, wears a sterile glove, a doctor takes out the amnion disruptor 1 from the inside of the support frame 22, inserts the amnion disruptor 1 into the pudendum of the parturitor, the arc-shaped wall 15 contacts the amnion of the parturitor, holds the placing frame 5 by the doctor to support the amnion disruptor 1, pulls the handle 3 to drive the piston rod 4 to move outwards, negative pressure is formed under the cooperation of the piston head 14 and the sealing ring 16, the amnion of the parturitor is tightly attached to the arc-shaped wall 15, the doctor pushes the syringe handle 201 by hand to push the membrane-breaking syringe 205 to disrupt the amnion, the membrane-breaking syringe 205 drives the supporting spring 203 to compress under the cooperation of the first limiting block 202 and the second limiting block 204, the sealing strip 206 and the sealing block 207 support and seal the membrane-breaking syringe 205, thereby realizing the efficient and stable amnion puncturing of, after the amnion is pierced, the liquid in the amnion flows into the drainage cavity 17 through the drainage hole 13, the liquid flows into the drainage bag 9 under the transmission of the drainage tube 6, the support rod 7, the clamping block 8 and the first base 11 support the drainage bag 9, the liquid in the drainage bag 9 is discharged through the liquid discharge valve 10, the drainage of the liquid in the amnion by the membrane breaking device is realized, the infection caused by the outflow of the liquid in the amnion is avoided, the support arm 19 is supported by the second base 18, the amnion membrane breaking device 1 is supported by the support frame 22, the clamping block 23 can rotate at any angle under the matching of the convex block 20 and the concave block 21, the support frame 22 is rotatably supported by the clamping block 23, the stable and reliable support of the membrane breaking device is realized, and a doctor can conveniently and quickly take the membrane breaking device to finish the use work of the membrane breaking device.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. The utility model provides a gynaecology and obstetrics is with preventing infecting rupture of membranes ware, includes amnion rupture of membranes ware (1), rupture of membranes needle mechanism (2), handle (3), piston rod (4) and drainage chamber (17), its characterized in that: a piston rod (4) is arranged in the amnion membrane breaking device (1), a handle (3) is arranged at the top end of the piston rod (4), the bottom end of the handle (3) is fixedly connected with the top end of the piston rod (4), a piston head (14) is arranged at the bottom end of the piston rod (4), the piston head (14) is fixedly connected with the piston rod (4), two groups of sealing rings (16) are arranged on the surface of the piston head (14), the sealing rings (16) are connected with the piston head (14) in a sleeved mode, a membrane breaking needle mechanism (2) is arranged in the piston rod (4), lubricating liquid (12) is sleeved on the surface of the amnion membrane breaking device (1) below the membrane breaking needle mechanism (2), the lubricating liquid (12) is fixedly connected with the amnion membrane breaking device (1), a drainage cavity (17) is arranged in the amnion membrane breaking device (1) on one side of the lubricating liquid (12), and a drainage hole (13) is arranged on the inner wall of the amn, and one end of the drainage hole (13) extends to the inside of the drainage cavity (17), the other end of the drainage hole (13) extends to the inside of the amnion membrane-breaking device (1), the bottom end of the amnion membrane-breaking device (1) is provided with an arc-shaped wall (15), the top end of the arc-shaped wall (15) is fixedly connected with the bottom end of the amnion membrane-breaking device (1), the outer wall of one side of the amnion membrane-breaking device (1) is provided with a drainage tube (6), and one end of the drainage tube (6) extends to the inside of the drainage cavity (17).
2. The infection-preventing membrane rupture device for obstetrics and gynecology department according to claim 1, wherein: the amnion membrane rupturing device is characterized in that a first base (11) is arranged on the outer wall of one side of the amnion membrane rupturing device (1), a clamping block (8) is arranged at the top end of the first base (11), the bottom end of the clamping block (8) is hinged to the top end of the amnion membrane rupturing device (1), a supporting rod (7) is arranged at the center position inside the clamping block (8), and the outer wall of the supporting rod (7) is fixedly connected with the inner wall of the clamping block (8).
3. The infection-preventing membrane rupture device for obstetrics and gynecology department according to claim 2, wherein: the bottom of bracing piece (7) is equipped with drainage bag (9), and the top and bracing piece (7) looks joint of drainage bag (9), the bottom of drainage bag (9) is equipped with flowing back valve (10), and the one end of flowing back valve (10) extends to the inside of drainage bag (9).
4. The infection-preventing membrane rupture device for obstetrics and gynecology department according to claim 1, wherein: one side of keeping away from first base (11) on amniotic membrane rupture device (1) outer wall is equipped with second base (18), and the top of second base (18) is equipped with support arm (19) to the bottom and second base (18) top fixed connection of support arm (19), the top of support arm (19) is fixed with lug (20), and the top of lug (20) is equipped with concave block (21), and the one end of lug (20) extends to the inside of concave block (21).
5. The infection-preventing membrane rupture device for obstetrics and gynecology department according to claim 4, wherein: the top of concave block (21) is fixed with presss from both sides tight piece (23), and presss from both sides the inside of tight piece (23) and be equipped with support frame (22) to the one end of support frame (22) extends to the surface of amniotic membrane rupture device (1), is fixed with two sets of racks (5) on the amniotic membrane rupture device (1) outer wall above support frame (22).
6. The infection-preventing membrane rupture device for obstetrics and gynecology department according to claim 1, wherein: the inside of rupture of membranes needle mechanism (2) has set gradually syringe handle (201), first stopper (202), supporting spring (203), second stopper (204), rupture of membranes syringe (205), sealing strip (206) and sealing block (207), the inside of piston rod (4) is equipped with rupture of membranes syringe (205), and the top of rupture of membranes syringe (205) extends to the outside of piston rod (4) to the top of rupture of membranes syringe (205) is equipped with syringe handle (201), and syringe handle (201) and rupture of membranes syringe (205) fixed connection.
7. The infection-preventing membrane rupture device for obstetrics and gynecology department of claim 6, wherein: the membrane breaking syringe (205) surface below the syringe handle (201) is provided with a first limiting block (202), the first limiting block (202) is fixedly connected with the membrane breaking syringe (205), the inner wall of the piston rod (4) below the first limiting block (202) is provided with two groups of second limiting blocks (204), the second limiting blocks (204) are fixedly connected with the piston rod (4), and the top end of the second limiting block (204) is provided with a supporting spring (203).
8. The infection-preventing membrane rupture device for obstetrics and gynecology department according to claim 7, wherein: the bottom end of the supporting spring (203) is fixedly connected with the second limiting block (204), the top end of the supporting spring (203) is fixedly connected with the first limiting block (202), a sealing block (207) is arranged on the surface of the membrane breaking needle cylinder (205) below the supporting spring (203), the sealing block (207) is fixedly connected with the membrane breaking needle cylinder (205), and a sealing tape (206) is sleeved on the surface of the sealing block (207).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020089317.8U CN211934228U (en) | 2020-01-16 | 2020-01-16 | Infection-preventing membrane rupturing device for obstetrics and gynecology department |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020089317.8U CN211934228U (en) | 2020-01-16 | 2020-01-16 | Infection-preventing membrane rupturing device for obstetrics and gynecology department |
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| Publication Number | Publication Date |
|---|---|
| CN211934228U true CN211934228U (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020089317.8U Expired - Fee Related CN211934228U (en) | 2020-01-16 | 2020-01-16 | Infection-preventing membrane rupturing device for obstetrics and gynecology department |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211934228U (en) |
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2020
- 2020-01-16 CN CN202020089317.8U patent/CN211934228U/en not_active Expired - Fee Related
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Granted publication date: 20201117 Termination date: 20210116 |
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| CF01 | Termination of patent right due to non-payment of annual fee |