CN210433567U - Strutting device for child hernia surgery - Google Patents
Strutting device for child hernia surgery Download PDFInfo
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- CN210433567U CN210433567U CN201821592224.6U CN201821592224U CN210433567U CN 210433567 U CN210433567 U CN 210433567U CN 201821592224 U CN201821592224 U CN 201821592224U CN 210433567 U CN210433567 U CN 210433567U
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- frame body
- electric cylinder
- wheel shaft
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Abstract
The utility model discloses a children hernia surgery distraction device, which comprises a frame body, wherein the right end of the frame body is fixedly connected with a handle, and the left end of the frame body is provided with an opening; the electric cylinder assembly, the wheel shaft assembly, the spring assembly, the unfolding assembly and the pull rope assembly are sequentially arranged in the frame body from the right end to the left end, and the unfolding assembly is arranged at an opening at the left end of the frame body. The utility model discloses the expansion of repairing the material is accomplished to accessible automatic control, avoids the error and the inefficient problem of the manual expansion of doctor, and stability is good.
Description
Technical Field
The utility model relates to a distraction device specifically is a distraction device is used in children's hernia surgery.
Background
Hernias are diseases that are characteristic of humans and orthotics and are also one of the most common diseases in the elderly and children. Surgical operations for repairing hernias mainly include tension repair and tension-free repair. The current gold standard for external abdominal hernia treatment is "tension-free hernia repair", that is, in a surgical operation mode, a repair device made of biocompatible materials and having a specific shape or structure is implanted into a defect or weak area of an abdominal wall, a large amount of fibrosis tissues are rapidly proliferated on the repair device by stimulating an organism, the defect tissues are repaired and reinforced, and finally the purpose of completely treating hernia lesions is achieved. The hernia repair materials commonly used in clinic are three types: polyester patches (also known as dacron patches), polypropylene patches and expanded polytetrafluoroethylene patches. The hernia repair material is divided into a flat sheet, a mesh plug, a three-in-one hernia repair device and the like according to the shape of the product.
When a hernia repair operation is performed, the repair material needs to be unfolded, and once the material has wrinkles, the adhesion may be not tight, and the operation effect is finally affected. Most of the existing unfolding technologies are manually unfolded by doctors, the operation time is long, and the existing unfolding devices are poor in stability and possibly influence the operation process.
Therefore, the utility model provides a children hernia surgery is with distraction device to solve the problem that proposes in the above-mentioned background art.
Disclosure of Invention
An object of the utility model is to provide a children hernia surgery is with distraction device to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the invention provides a distraction device for child hernia surgery, which comprises a frame body 1, wherein the right end of the frame body 1 is fixedly connected with a handle 22, and the left end of the frame body is provided with an opening; an electric cylinder assembly, a wheel shaft assembly, a spring assembly, an unfolding assembly and a pull rope assembly are distributed in the frame body 1, and the electric cylinder assembly, the wheel shaft assembly, the spring assembly and the unfolding assembly are sequentially distributed from the right end to the left end;
the electric cylinder assembly comprises an electric cylinder 24, and a base of the electric cylinder 24 is fixed on the inner wall of the right end of the frame body 1; the electric cylinder 24 is connected with a direct current power supply arranged outside the frame body 1 or outside the frame body through a switch 21;
the wheel shaft assembly comprises two sliding rod seats 20, two sliding rods 25 which are symmetrical up and down, an assembly frame 18 which is connected on the two sliding rods 25 in a sliding way, two wheel shafts 19 which are symmetrical up and down and an auxiliary wheel shaft 17; the two slide bar seats 20 are fixedly connected to the side wall of the frame body 1, the two slide bars 25 are fixedly connected between the two slide bar seats 20, and the assembly frame 18 passes through the two slide bars 25 and can slide along the slide bars 25; the left end of the electric cylinder rod seat 26 is fixedly connected with the assembling frame 18, and the right end of the electric cylinder rod seat 26 is fixedly connected with the end part of the telescopic rod of the electric cylinder 24; the two wheel shafts 19 are fixedly connected to one side of the assembly frame 18, and the outer sides of the two wheel shafts 19 are respectively and rotatably connected with the rollers 2; the auxiliary wheel shaft 17 is fixed on the side wall of the frame body 1 and positioned on the left side of the two wheel shafts 19, and the outer side of the auxiliary wheel shaft 17 is rotatably connected with the roller 2;
the spring assembly comprises a mounting plate 4, a spring 5 and a sliding sleeve 6; the assembly plate 4 is fixed on the lower side wall of the frame body 1, and the lower part of the assembly plate is provided with a line hole for passing through the pull rope 16; one end of the spring 5 is connected with the middle part of the left side of the assembling plate 4, and the other end of the spring 5 is connected with the sliding sleeve 6; a pull rope hole for penetrating the pull rope 16 is formed in the middle of the sliding sleeve 6 along the vertical direction; two symmetrical sliding blocks 13 are arranged on the outer side of the sliding sleeve 6, sliding block grooves matched with the sliding blocks 13 are formed in the corresponding positions of the inner side wall of the frame body 1, and the sliding blocks 13 are arranged in the sliding block grooves and can slide left and right along the sliding block grooves;
the unfolding component comprises a plurality of sliding sleeves 8 which are arranged at equal intervals on the inner wall of an opening at the left end of the frame body 1, a plurality of adapter seats 7 which correspond to the sliding sleeves 8 respectively, a plurality of flattening rods 9 which are rotatably connected with the adapter seats 7 respectively, and a plurality of flattening heads 11; the adapter seats 7 are fixedly arranged on the left side of the sliding sleeve 6, and each flattening rod 9 penetrates through the corresponding sliding sleeve 8; one end of each flattening rod 9 is rotatably connected with the corresponding adapter 7, the other end of each flattening rod is rotatably connected with a flattening head 11, an assembly groove is formed in the outer side of each flattening head 11, and an electrostatic block 10 is installed in each assembly groove;
the pull rope assembly comprises a pull rope 16, a ball head 15 used for fixing the pull rope 16 and an annular sleeve 14; one end of a pull rope 16 is fixed at the upper end of the assembly plate 4, and the other end of the pull rope sequentially passes through a pull rope hole of the sliding connection sleeve 6, a wire hole at the lower part of the assembly plate 4, a roller 2 connected around the outer side of the lower wheel shaft 19, a roller 2 connected around the outer side of the auxiliary wheel shaft 17, a roller 2 connected around the outer side of the upper wheel shaft 19 and a ball head 15; the annular sleeve 14 is fixed on the inner side wall of the frame body 1, and the ball head 15 is arranged in the annular sleeve 14.
As a further aspect of the present invention: the handle 22 is externally sleeved with a rubber sleeve 23.
As a further aspect of the present invention: the electric cylinder 24 adopts a TJC-C1 type direct current linear electric cylinder.
As a further aspect of the present invention: the switch 21 is mounted on the outer side wall of the frame 1 and located near the handle 22.
As a further aspect of the present invention: and the inner side of a wire hole formed in the lower part of the assembling plate 4 is provided with a wear-resistant sleeve 3.
As a further aspect of the present invention: the sliding sleeve 8, the flattening rod 9 and the flattening head 11 are all made of flexible wear-resistant rubber.
As a further aspect of the present invention: and limiting flanges matched with the rollers 2 are arranged on the outer sides of the auxiliary wheel shaft 17 and the wheel shaft 19.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model has the advantages of reasonable design structurally, during the use, when carrying out hernia repair operation, will repair the material adhesion on the device, extend and repair the position, will repair the material and expand, prevent that the fold from appearing in the material, avoid causing attached not tight, this expansion device is accomplished through automatic control, avoids the error of the manual expansion of doctor and the problem of time overlength, and this expansion device stability is good, reduces the volume, facilitates the use, guarantees the operation process.
Drawings
Fig. 1 is a schematic structural diagram of a child hernia surgical distraction device;
FIG. 2 is a schematic view of the right side view at A in FIG. 1;
FIG. 3 is a schematic view of the structure of the opening of the children's hernia surgical distraction device;
fig. 4 is a schematic structural diagram of a spreading head and its connected components in the children hernia surgical distraction device.
In the figure: 1-frame body, 2-roller, 3-wear-resistant sleeve, 4-assembly plate, 5-spring, 6-sliding sleeve, 7-adapter, 8-sliding sleeve, 9-flattening rod, 10-static block, 11-flattening head, 12-rotating pin, 13-sliding block, 14-annular sleeve, 15-ball head, 16-pull rope, 17-auxiliary wheel shaft, 18-assembly frame, 19-wheel shaft, 20-sliding rod seat, 21-switch, 22-handle, 23-rubber sleeve, 24-electric cylinder, 25-sliding rod and 26-electric cylinder rod seat.
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.
It should be noted that for simplicity, two symmetrical components are generally labeled with only one of the two symmetrical components in the figures. In addition, all directions herein refer to the directions of fig. 1.
Examples
Referring to fig. 1-4, in the present embodiment, the distraction device for child hernia surgery includes a frame body 1, a handle 22 is fixedly connected to a right end of the frame body 1, a left end of the frame body 1 is open, an electric cylinder assembly, an axle assembly, a spring assembly, a deployment assembly, and a pull rope assembly are disposed in the frame body 1, wherein the electric cylinder assembly, the axle assembly, the spring assembly, and the deployment assembly are sequentially disposed from the right end to the left end.
The electric cylinder assembly comprises an electric cylinder 24, and the base of the electric cylinder 24 is fixed on the inner wall of the right end of the frame body 1. In this embodiment, the electric cylinder 24 is a miniature linear telescopic electric cylinder, for example, a TJC-C1 model direct current linear electric cylinder may be selected, and the stroke of the electric cylinder is selected according to the size of the frame 1. In this embodiment, the electric cylinder 24 may be connected to a dc power supply provided outside the housing 1, or may be provided inside the housing 1. A switch 21 is installed on the outer side wall of the frame 1, and the switch 21 is electrically connected with a direct current power supply and an electric cylinder 24. For ease of use, the switch 21 is preferably located near the handle 22.
Referring to fig. 1 and 2, the axle assembly includes two slide rod seats 20, two slide rods 25 which are symmetrical up and down, a mounting frame 18 which is slidably connected to the two slide rods 25, two axles 19 which are symmetrical up and down, and an auxiliary axle 17. The two sliding rod seats 20 are fixedly connected with the side wall of the frame body 1, the two sliding rods 25 are fixedly connected between the two sliding rod seats 20, the assembly frame 18 penetrates through the two sliding rods 25 and can slide along the sliding rods 25, the left end of the electric cylinder rod seat 26 is fixedly connected with the assembly frame 18, and the right end of the electric cylinder rod seat 26 is fixedly connected with the end part of the telescopic rod of the electric cylinder 24. The two wheel shafts 19 are fixedly connected to one side of the assembly frame 18, and rollers (not marked in the figure) are respectively and rotatably connected to the outer sides of the two wheel shafts 19; the auxiliary wheel shaft 17 is fixed on the side wall of the frame body 1 and positioned on the left side of the two wheel shafts 19, and the outer side of the auxiliary wheel shaft 17 is rotatably connected with the roller 2.
Referring to fig. 1, the spring assembly includes a mounting plate 4, a spring 5, and a slip sleeve 6. The assembly plate 4 is fixed on the lower side wall of the frame body 1, the lower part of the assembly plate is provided with a wire hole for penetrating the pull rope 16, and in order to reduce the abrasion of the pull rope 16, the inner side of the wire hole is provided with the wear-resistant sleeve 3. The middle part of the left side of the assembling plate 4 is provided with a spring 5, and the left end of the spring 5 is provided with a sliding sleeve 6. The middle part of the sliding sleeve 6 is provided with a pull rope hole which is used for penetrating the pull rope 16 along the up-down direction. Two sliding blocks 13 which are symmetrical in the front and the back are arranged on the outer side of the sliding sleeve 6, sliding block grooves matched with the sliding blocks 13 are formed in the corresponding positions of the inner side wall of the frame body 1, and the sliding blocks 13 are arranged in the sliding block grooves. The sliding sleeve 6 can slide left and right along the sliding block groove under the action of the elastic force of the spring 5.
Referring to fig. 1, 3 and 4, the frame 1 has an opening at the left end, and the unfolding assembly includes a plurality of sliding sleeves 8 arranged at equal intervals on the inner wall of the opening, a plurality of adapter seats 7 respectively corresponding to the sliding sleeves 8, a plurality of flattening rods 9 rotatably connected to the adapter seats 7, and a plurality of flattening heads 11. The adapter seats 7 are fixedly arranged on the left side of the sliding sleeve 6, and each flattening rod 9 penetrates through the corresponding sliding sleeve 8 and is in sliding connection with the sliding sleeve 8. One end of each flattening rod 9 is rotatably connected with the corresponding adapter 7, the other end of each flattening rod is rotatably connected with a flattening head 11, an assembly groove is formed in the middle of the outer side of each flattening head 11, an electrostatic block 10 is installed in the assembly groove, and the outer side of each flattening head 11 is used for unfolding the repairing material. In the embodiment, the outer end head of the flattening rod 9 is rotatably connected with the flattening head 11 through a rotating pin 12; the sliding sleeve 8, the flattening rod 9 and the flattening head 11 can be made of flexible wear-resistant rubber.
Referring to fig. 1, the pull cord assembly includes a pull cord 16, a ball 15 for securing the pull cord 16, and an annular sleeve 14 for protecting the ball 15. One end of the pull rope 16 is fixed at the upper end of the assembly plate 4, and the other end of the pull rope sequentially passes through a pull rope hole of the sliding connection sleeve 6, a wire hole of the assembly plate 4, the roller 2 connected around the outer side of the lower wheel shaft 19, the roller 2 connected around the outer side of the auxiliary wheel shaft 17, the roller 2 connected around the outer side of the upper wheel shaft 19 and the ball head 15. The pull rope 16 is connected with the pull rope hole, the thread hole and the roller in a sliding way. The annular sleeve 14 is fixed on the inner side wall of the frame body 1, and the ball head 15 is arranged in the annular sleeve 14.
The preferable scheme of the embodiment comprises the following steps:
(1) the rubber sleeve 23 is sleeved on the outer side of the handle 22, so that the use experience is better;
(2) and limiting flanges matched with the rollers 2 are arranged on the outer sides of the auxiliary wheel shaft 17 and the wheel shaft 19.
The utility model discloses a use and principle as follows:
when the hernia repair operation is carried out, when the repair material needs to be unfolded, the repair material is adhered to the static block 10 outside the flattening head 11; the switch 21 is used for controlling the electric cylinder 24 to contract, the telescopic rod of the electric cylinder 24 contracts to drive the assembly frame 18 to move rightwards, and the wheel shaft 19 is fixed on the assembly frame 18, so that the assembly frame 18 drives the wheel shaft 19 to move rightwards, and the distance between the auxiliary wheel shaft 17 and the wheel shaft 19 is enlarged. At this time, the pull rope 16 will pull the sliding sleeve 6 to move right, and the sliding block slot is provided to ensure the sliding sleeve 6 to slide in the left and right direction. The sliding sleeve 6 moves rightwards, so that the flattening rods 9 move rightwards along the sliding sleeve 8, and in the moving process, the left ends of the flattening rods 9 are gradually closed, so that the repairing material adhered to the flattening heads 11 is shrunk.
Then, the flattening head 11 is extended to the position to be repaired, the telescopic rod of the electric cylinder 24 is controlled to extend through the switch 21, the assembling frame 18 moves leftwards, so that the distance between the auxiliary wheel shaft 17 and the wheel shaft 19 is reduced, at the moment, the pull rope 16 is loosened, and the sliding joint 6 slides leftwards under the action of the elastic force of the spring 5. The sliding sleeve 6 pushes the flattening rod 9 to the left, and the left end of the flattening rod 9 is gradually separated, so that the repairing material adhered to the flattening head 11 is unfolded. The deployed repair material can then be used for surgical repair. By adopting the device, the repair material can be prevented from being folded, the phenomenon that the attachment is not tight is avoided, and the operation effect is finally influenced
The utility model discloses the expansion of repair material is accomplished to accessible automatic control, avoids the error and the low efficient problem of the manual expansion of doctor, and stability is good, and the slider 13 cooperation take-up housing groove of setting makes the slip joint cover 6 slide stably, and the auxiliary shaft 17 cooperation shaft 19 of setting enlargies the displacement distance of 24 telescopic links of electric jar, reduces the device volume, facilitates the use to guarantee operation efficiency and effect.
The utility model discloses except being used for expanding the repair material in the hernia repair operation, can also be used for strutting the tissue in paediatrics operation to expose the operation position, enlarge the operation field of vision. When the device is used for opening tissues, firstly, the flattening rod 9 is folded, and the flattening rod 9 extends to the part of the tissues to be opened; the electric cylinder 24 controls the separation of the ends of the flattening rod 9, thereby spreading the tissue.
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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a children hernia surgery is with strutting device which characterized in that:
comprises a frame body (1), wherein the right end of the frame body (1) is fixedly connected with a handle (22), and the left end of the frame body is opened; an electric cylinder assembly, a wheel shaft assembly, a spring assembly, an unfolding assembly and a pull rope assembly are distributed in the frame body (1), and the electric cylinder assembly, the wheel shaft assembly, the spring assembly and the unfolding assembly are sequentially distributed from the right end to the left end;
the electric cylinder assembly comprises an electric cylinder (24), and a base of the electric cylinder (24) is fixed on the inner wall of the right end of the frame body (1); the electric cylinder (24) is connected with a direct current power supply arranged outside the frame body (1) or outside the frame body through a switch (21);
the wheel shaft assembly comprises two sliding rod seats (20), two sliding rods (25) which are symmetrical up and down, an assembly frame (18) which is connected to the two sliding rods (25) in a sliding manner, two wheel shafts (19) which are symmetrical up and down and an auxiliary wheel shaft (17); the two sliding rod seats (20) are fixedly connected to the side wall of the frame body (1), the two sliding rods (25) are fixedly connected between the two sliding rod seats (20), and the assembly frame (18) penetrates through the two sliding rods (25) and can slide along the sliding rods (25); the left end of the electric cylinder rod seat (26) is fixedly connected with the assembly frame (18), and the right end of the electric cylinder rod seat (26) is fixedly connected with the end part of the telescopic rod of the electric cylinder (24); the two wheel shafts (19) are fixedly connected to one side of the assembly frame (18), and the outer sides of the two wheel shafts (19) are respectively and rotatably connected with the rollers (2); the auxiliary wheel shaft (17) is fixed on the side wall of the frame body (1) and positioned on the left side of the two wheel shafts (19), and the outer side of the auxiliary wheel shaft (17) is rotatably connected with the roller (2);
the spring assembly comprises an assembling plate (4), a spring (5) and a sliding sleeve (6); the assembly plate (4) is fixed on the lower side wall of the frame body (1), and the lower part of the assembly plate is provided with a wire hole for passing through the pull rope (16); one end of the spring (5) is connected with the middle part of the left side of the assembling plate (4), and the other end of the spring (5) is connected with the sliding sleeve (6); a pull rope hole for penetrating a pull rope (16) is formed in the middle of the sliding sleeve (6) along the vertical direction; two symmetrical sliding blocks (13) are arranged on the outer side of the sliding sleeve (6), sliding block grooves matched with the sliding blocks (13) are formed in the corresponding positions of the inner side wall of the frame body (1), and the sliding blocks (13) are arranged in the sliding block grooves and can slide left and right along the sliding block grooves;
the unfolding component comprises a plurality of sliding sleeves (8) which are arranged at equal intervals on the inner wall of an opening at the left end of the frame body (1), a plurality of adapter seats (7) which correspond to the sliding sleeves (8) respectively, a plurality of flattening rods (9) which are rotatably connected with the adapter seats (7) respectively, and a plurality of flattening heads (11); the adapter seats (7) are fixedly arranged on the left side of the sliding sleeve (6), and each flattening rod (9) penetrates through the corresponding sliding sleeve (8) respectively; one end of each flattening rod (9) is rotatably connected with the corresponding adapter (7), the other end of each flattening rod is rotatably connected with a flattening head (11), an assembly groove is formed in the outer side of each flattening head (11), and an electrostatic block (10) is installed in each assembly groove;
the pull rope assembly comprises a pull rope (16), a ball head (15) used for fixing the pull rope (16) and an annular sleeve (14); one end of a pull rope (16) is fixed at the upper end of the assembly plate (4), and the other end of the pull rope sequentially passes through a pull rope hole of the sliding sleeve (6), a wire hole at the lower part of the assembly plate (4), a roller (2) connected around the outer side of a lower wheel shaft (19), a roller (2) connected around the outer side of an auxiliary wheel shaft (17), a roller (2) connected around the outer side of an upper wheel shaft (19) and finally connected with a ball head (15); the annular sleeve (14) is fixed on the inner side wall of the frame body (1), and the ball head (15) is arranged in the annular sleeve (14).
2. The children's hernia surgical distraction device of claim 1, wherein:
the handle (22) is sleeved with a rubber sleeve (23).
3. The children's hernia surgical distraction device of claim 1, wherein:
the electric cylinder (24) adopts a TJC-C1 type direct current linear electric cylinder.
4. The children's hernia surgical distraction device of claim 1, wherein:
the switch (21) is arranged on the outer side wall of the frame body (1) and is positioned near the handle (22).
5. The children's hernia surgical distraction device of claim 1, wherein:
wear-resisting cover (3) is installed to the line hole inboard that pilot plate (4) lower part was seted up.
6. The children's hernia surgical distraction device of claim 1, wherein:
the sliding sleeve (8), the flattening rod (9) and the flattening head (11) are all made of flexible wear-resistant rubber.
7. The children's hernia surgical distraction device of claim 1, wherein:
and limiting flanges matched with the rollers (2) are arranged on the outer sides of the auxiliary wheel shaft (17) and the wheel shaft (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821592224.6U CN210433567U (en) | 2018-09-28 | 2018-09-28 | Strutting device for child hernia surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821592224.6U CN210433567U (en) | 2018-09-28 | 2018-09-28 | Strutting device for child hernia surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210433567U true CN210433567U (en) | 2020-05-01 |
Family
ID=70392754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821592224.6U Expired - Fee Related CN210433567U (en) | 2018-09-28 | 2018-09-28 | Strutting device for child hernia surgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210433567U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111657846A (en) * | 2020-05-28 | 2020-09-15 | 黄燕妮 | Quick anus expander for pediatrics |
-
2018
- 2018-09-28 CN CN201821592224.6U patent/CN210433567U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111657846A (en) * | 2020-05-28 | 2020-09-15 | 黄燕妮 | Quick anus expander for pediatrics |
| CN111657846B (en) * | 2020-05-28 | 2024-05-28 | 南京展康医疗科技有限公司 | Pediatric quick anus dilator |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200501 Termination date: 20200928 |