CN204318881U - Bone holding forceps - Google Patents
Bone holding forceps Download PDFInfo
- Publication number
- CN204318881U CN204318881U CN201420780048.4U CN201420780048U CN204318881U CN 204318881 U CN204318881 U CN 204318881U CN 201420780048 U CN201420780048 U CN 201420780048U CN 204318881 U CN204318881 U CN 204318881U
- Authority
- CN
- China
- Prior art keywords
- handle
- elastic
- opening
- upper handle
- lower handle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 51
- 230000009467 reduction Effects 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 230000003115 biocidal effect Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract 5
- 230000007423 decrease Effects 0.000 abstract 1
- 230000005489 elastic deformation Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000001356 surgical procedure Methods 0.000 description 4
- 241000283984 Rodentia Species 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000003242 anti bacterial agent Substances 0.000 description 2
- 229940088710 antibiotic agent Drugs 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Surgical Instruments (AREA)
Abstract
This utility model provides a kind of bone holding forceps, relates to medical instruments field.The object reached reduces reduction of the fracture operation duration, reduces antibiotic use amount, decreases the economy expenditure of patient.The technical scheme of main employing is: bone holding forceps comprise: upper handle, lower handle, elastic construction and positioner.Lower handle is articulated and connected by bearing pin and upper handle.Elastic construction is arranged on the inner side of upper handle and lower handle, and one end of elastic construction is connected with upper handle, and the other end is connected with lower handle; The openings of sizes of the jaw of upper handle and the jaw of lower handle is controlled by the elastic stage of elastic construction.Positioner is arranged on the inner side of upper handle and lower handle, and one end of positioner is connected with upper handle, and the other end is connected with lower handle, for the elastic stage of positioning elastic structure to control the openings of sizes of jaw; Wherein, elastic construction is between bearing pin and positioner.This utility model embodiment is mainly used in reduction of the fracture operation process.
Description
Technical Field
The utility model relates to the field of medical equipment, especially, relate to a bone holding forceps.
Background
The bone holding forceps are used for fracture reduction, are medical instruments playing a key role in fracture reduction surgery, and are frequently used in the fracture reduction surgery. The convenient degree of the bone holding forceps can reduce the time of the fracture reduction operation, improve the safety factor and determine the success rate of the fracture reduction operation to a certain extent. Therefore, the bone holding forceps play an important role in the fracture reduction operation.
The opening size of the jaw of the existing bone holding forceps is adjusted through a threaded screw. In the fracture reduction operation, a medical worker needs to grasp the left forceps handle and the right forceps handle with one hand and carefully and stably rotate the threaded screw rod with the other hand to adjust the opening size of the jaws of the forceps so that the forceps can clamp or loosen the injured bone. And the medical care personnel shake to injure the patient by mistake in the clamping or loosening process, so that the pain and the secondary injury of the patient are caused. Meanwhile, the bone holding forceps need medical care personnel to manually rotate the threaded screw rod in the process of clamping or loosening the injured bone, so that the existing bone holding forceps are complex in operation, long in time consumption of fracture reduction operation, more in needed antibiotics and capable of increasing economic burden of patients.
SUMMERY OF THE UTILITY MODEL
The main object of the utility model is to provide a novel structure of bone holding forceps, easy operation, it is long when reducing the fracture reduction operation, reduced the use amount of antibiotic, reduced patient's economic expenditure.
The utility model discloses an aim at and solve its technical problem and adopt following technical scheme to realize:
the utility model provides a bone holding forceps, this bone holding forceps includes:
an upper handle;
the lower handle is hinged with the upper handle through a pin shaft;
the elastic structure is arranged on the inner sides of the upper handle and the lower handle, one end of the elastic structure is connected with the upper handle, and the other end of the elastic structure is connected with the lower handle; the opening sizes of the jaw of the upper handle and the jaw of the lower handle are controlled through the elastic state of the elastic structure;
the positioning device is arranged on the inner sides of the upper handle and the lower handle, one end of the positioning device is connected with the upper handle, and the other end of the positioning device is connected with the lower handle and used for positioning the elastic state of the elastic structure so as to control the opening size of the jaw; wherein,
the elastic structure is located between the pin shaft and the positioning device.
The bone-holding forceps as described above, wherein the positioning device comprises: the locking tongue and the locking sleeve are matched with the locking tongue for use;
the locking tongue is arranged on the inner side of the upper handle, and the locking sleeve is arranged on the inner side of the lower handle; or,
the locking tongue is arranged on the inner side of the lower handle, and the locking sleeve is arranged on the inner side of the upper handle.
The bone clamp as in the previous paragraph, wherein the locking sleeve is integrally formed with the upper handle or the lower handle.
The bone forceps as described above, wherein the locking tongue comprises: straight flat end and circular arc section;
one end of the straight section is vertically connected with one end of the circular arc section, and the joint of the straight section and the circular arc section is rotationally connected to the upper handle or the lower handle;
the other end of the straight flat section is provided with a locking tooth used for being clamped with the locking sleeve;
correspondingly, the bone holding forceps further comprise: an elastic member;
one end of the elastic piece is connected with the upper handle or the lower handle, and the other end of the elastic piece is positioned below the arc section.
The bone-holding forceps as described above, wherein the elastic member comprises a locking spring plate;
one end of the elastic piece is connected with the upper handle or the lower handle, and the other end of the elastic piece is positioned below the arc section: one end of the locking elastic sheet is connected with the upper handle or the lower handle, and the other end of the locking elastic sheet is located below the arc section.
The bone holding forceps are characterized in that a flat plate for pressing is arranged at the other end of the circular arc section.
The bone forceps as described above, wherein the elastic structure comprises: the first opening and closing elastic piece and the second opening and closing elastic piece;
the first end of the first opening and closing elastic sheet is connected with the first end of the second opening and closing elastic sheet, the second end of the first opening and closing elastic sheet is connected with the upper handle, and the second end of the second opening and closing elastic sheet is connected with the lower handle; or,
the second end of the first opening and closing elastic sheet is connected with the lower handle, and the second end of the second opening and closing elastic sheet is connected with the upper handle.
The bone holding forceps as described above, wherein the first end of the first opening and closing elastic sheet is provided with a through hole, and the first end of the second opening and closing elastic sheet is provided with a protrusion;
the protrusion penetrates into the through hole to connect the first opening and closing elastic piece and the second opening and closing elastic piece.
Borrow by above-mentioned technical scheme, the utility model discloses the structure has following advantage at least:
the technical proposal provided by the utility model is that the elastic structure and the positioning device are arranged, the elastic structure is respectively connected with the upper handle and the lower handle, and the opening size of the jaw of the bone holding forceps is controlled by the elastic state of the elastic structure; the positioning device is respectively connected with the upper handle and the handle, and the elastic state of the elastic structure is positioned by the positioning device so as to control the size of the opening of the jaw. Compared with the prior bone holding forceps, the utility model provides a bone holding forceps need not the manual opening size that can adjust keeping in a jaw of rotating the screw thread screw rod of medical personnel, easy operation, and then it is long when effectual reduction fracture reduction surgery, has reduced the use amount of antibiotic, has reduced patient's economic expenditure.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a first schematic structural view of a bone holding forceps provided by an embodiment of the present invention;
fig. 2 is a schematic structural view of a bone holding forceps according to an embodiment of the present invention;
fig. 3 is a third schematic structural view of a bone holding forceps provided by an embodiment of the present invention; .
Detailed Description
To further illustrate the technical means and effects of the present invention for achieving the intended purpose of the present invention, the following detailed description of the embodiments, structures, features and effects of the test stand according to the present invention will be made with reference to the accompanying drawings and preferred embodiments. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Fig. 1 is a schematic structural view of a bone holding forceps according to an embodiment of the present invention. The bone holding forceps of this embodiment includes: an upper handle 1, a lower handle 2, an elastic structure 3 and a positioning device 4. The lower handle 2 is hinged to the upper handle 1 through a pin shaft 5, and the upper handle 1 and the lower handle 2 can rotate by taking the pin shaft 5 as a shaft. The elastic structure 3 is arranged on the inner sides of the upper handle 1 and the lower handle 2, one end of the elastic structure 3 is connected with the upper handle 1, and the other end of the elastic structure is connected with the lower handle 2. The opening sizes of the jaws of the upper handle 1 and the lower handle 2 are controlled by the elastic state of the elastic structure 3. The positioning device 4 is arranged on the inner sides of the upper handle 1 and the lower handle 2, one end of the positioning device 4 is connected with the upper handle 1, and the other end of the positioning device 4 is connected with the lower handle 2 and used for positioning the elastic state of the elastic structure 3 so as to control the size of the opening of the jaw. Wherein, the elastic structure 3 is located between the pin 5 and the positioning device 4.
In specific implementation, when the elastic structure is in a first elastic state (namely a compressed state), the opening of the jaw of the upper handle and the opening of the jaw of the lower handle are consistent with the size of a clamped object so as to clamp the clamped object, and at the moment, the positioning device positions the state of the elastic structure so as to prevent the bone holding forceps from loosening; when the elastic structure is in a second elastic state (namely a natural state), the opening of the jaw of the upper handle and the opening of the jaw of the lower handle are larger than the size of the clamped object so as to release the clamped object, and at the moment, the positioning device positions the state of the elastic structure so as to prevent the elastic structure from having overlarge elastic force so as to prevent the jaws from hurting a patient.
The embodiment of the utility model is provided with the elastic structure and the positioning device, the elastic structure is respectively connected with the upper handle and the lower handle, and the opening size of the jaw of the bone holding forceps is controlled by the elastic state of the elastic structure; the positioning device is respectively connected with the upper handle and the handle, and the elastic state of the elastic structure is positioned by the positioning device so as to control the size of the opening of the jaw. Compared with the prior bone holding forceps, the utility model provides a bone holding forceps need not the manual opening size that can adjust keeping in a jaw of rotating the screw thread screw rod of medical personnel, easy operation, and then it is long when effectual reduction fracture reduction surgery, has reduced the use amount of antibiotic, has reduced patient's economic expenditure.
Further, as shown in fig. 2 and 3, in order to enable the positioning device 4 to position the different elastic states of the elastic structure 3, the positioning device 4 in the above embodiment may include: a locking tongue 42 and a locking sleeve 41 matched with the locking tongue 42. Wherein, a plurality of locking teeth are arranged at one end of the locking sleeve 41, and different opening sizes of the jaw are adjusted by clamping the locking tongue 42 with the locking teeth at different positions and positioning different elastic states of the elastic structure 3. The locking tongue 42 is arranged on the inner side of the upper handle 1, and the locking sleeve 41 is arranged on the inner side of the lower handle 2; or the locking tongue 42 is arranged on the inner side of the lower handle 2, and the locking sleeve 41 is arranged on the inner side of the upper handle 1.
Further, in order to make the bone holding forceps have strong integrity, the locking sleeve and the upper handle are integrally formed in the embodiment; or the locking sleeve and the lower handle are integrally formed. That is, the locking sleeve is a structure extending from the inner end surface of the upper handle or the lower handle in a direction perpendicular to the end surface. Wherein, the position of the locking sleeve on the upper handle or the lower handle corresponds to the position of the locking tongue on the lower handle or the upper handle. The locking sleeve can be firmly connected with the upper handle or the lower handle, and the integrity of the bone holding forceps can be enhanced.
Further, for the purpose of simply and quickly releasing the holding object from the bone holding forceps, the locking tongue in the above embodiment may include: straight flat end and circular arc section. One end of the straight section is vertically connected with one end of the circular arc section, and the joint of the straight section and the circular arc section is rotationally connected with the upper handle or the lower handle. It should be noted that, the junction of the straight section and the circular arc section is placed along the upper handle and the lower handle, and the junction is connected to the upper handle or the lower handle in a rotating manner, so that the locking tongue can swing in the arc direction along the upper handle and the lower handle, and the locking tongue and the locking sleeve can be clamped and separated in a reciprocating manner. And the other end of the straight flat section is provided with a locking tooth which is used for being clamped with the locking sleeve. Correspondingly, the bone holding forceps further comprise: an elastic member. One end of the elastic piece is connected with the upper handle or the lower handle, and the other end of the elastic piece is positioned below the arc section. That is, the locking tongue abuts the elastic member and is hinged to the upper handle or the lower handle. When the external force is applied to the arc section of the locking tongue, the arc section can extrude the elastic sheet to cause the elastic sheet to generate elastic deformation, after the external force is removed, the elastic deformation of the elastic sheet recovers the elastic force in a certain direction of the locking tongue, and the locking teeth at the end part of the straight section of the locking tongue can be separated from the locking sleeve, so that the positioning device eliminates the positioning effect on the elastic structure, the elastic structure recovers the elastic deformation, and the opening of the jaw of the bone holding forceps is enlarged to loosen the holding objects of the bone holding forceps.
Further, as shown in fig. 2 and fig. 3, the elastic member 6 in the above embodiments may be any one having elastic properties, such as a locking spring. Then one end of the elastic part 6 is connected with the upper handle 1 or the lower handle 2, and the other end is located below the circular arc segment: one end of the locking elastic sheet is connected with the upper handle 1 or the lower handle 2 through a fastening screw, and the other end of the locking elastic sheet is located below the arc section. Because the tightening elastic sheet is thin and has good elasticity, the tightening elastic sheet is placed on the end surface of the inner side of the upper handle 1 or the lower handle 2, one end of the locking elastic sheet is connected with the upper handle 1 or the lower handle 2, and the other end of the locking elastic sheet is positioned below the arc section and is approximately attached to the upper handle 1 or the lower handle 2, so that the gap between the locking tongue 42 and the upper handle 1 or the lower handle 2 is small, and the integrity of the bone holding forceps is enhanced.
Further, in order to press one end of the arc segment of the locking tongue 42 to apply an external force to the locking tongue 42, a flat plate for pressing is provided on the other end of the arc segment in the above embodiment.
Further, as shown in fig. 2 and 3, the elastic structure 3 in the above embodiment may include: a first opening and closing spring sheet 31 and a second opening and closing spring sheet 32. The first end of the first opening and closing elastic sheet 31 is connected with the first end of the second opening and closing elastic sheet 32 (cross connection), the second end of the first opening and closing elastic sheet 31 is connected with the upper handle 1 through a screw, and the second end of the second opening and closing elastic sheet 32 is connected with the lower handle 2 through a screw; or, the second end of the first opening and closing elastic sheet 31 is connected with the lower handle 2 through a screw, and the second end of the second opening and closing elastic sheet 32 is connected with the upper handle 1 through a screw. When the first opening and closing spring piece 31 is implemented, a through hole is formed in the first end, and a protrusion is formed in the first end of the second opening and closing spring piece 32. The protrusion penetrates the through hole to connect the first opening/closing spring plate 31 and the second opening/closing spring plate 32.
To sum up, in practical application, when needing to hold the rongeur centre gripping holding object, medical personnel only need hold upper handle and lower handle gently with the hand and knead the rongeur to suitable position, and first shell fragment and the second shell fragment that opens and shuts take place elastic deformation. At the moment, the locking tongue of the bone holding forceps enters the locking sleeve, and the locking tongue and the locking sleeve are automatically locked under the action of the locking elastic sheet, so that the positioning device positions the deformation states of the first opening and closing elastic sheet and the second opening and closing elastic sheet, and the opening size of the jaw of the bone holding forceps is adjusted; when the holding forceps are required to loosen the clamped objects, medical workers only need to lightly press the flat plate at the tail end of the circular arc section on the locking tongue by fingers, the locking tongue bounces under the action of the locking elastic sheet, the locking tongue can be separated from the locking sleeve, the holding forceps can be quickly loosened, then the positioning device cancels the positioning effect of elastic deformation of the first opening and closing elastic sheet and the second opening and closing elastic sheet, and therefore in the process of recovering the elastic deformation through the elastic structure, the opening of the jaw of the holding forceps is enlarged so that the holding forceps loosen the clamped objects. The whole operation process not only saves the adjusting time, but also reduces the length of the fracture reduction operation, reduces the usage amount of antibiotics, reduces the economic expenditure of patients and improves the precision.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (8)
1. A bone forceps, comprising:
an upper handle;
the lower handle is hinged with the upper handle through a pin shaft;
the elastic structure is arranged on the inner sides of the upper handle and the lower handle, one end of the elastic structure is connected with the upper handle, and the other end of the elastic structure is connected with the lower handle; the opening sizes of the jaw of the upper handle and the jaw of the lower handle are controlled through the elastic state of the elastic structure;
the positioning device is arranged on the inner sides of the upper handle and the lower handle, one end of the positioning device is connected with the upper handle, and the other end of the positioning device is connected with the lower handle and used for positioning the elastic state of the elastic structure so as to control the opening size of the jaw; wherein,
the elastic structure is located between the pin shaft and the positioning device.
2. The bone clamp of claim 1, wherein the positioning device comprises: the locking tongue and the locking sleeve are matched with the locking tongue for use;
the locking tongue is arranged on the inner side of the upper handle, and the locking sleeve is arranged on the inner side of the lower handle; or,
the locking tongue is arranged on the inner side of the lower handle, and the locking sleeve is arranged on the inner side of the upper handle.
3. The bone clamp of claim 2, wherein the locking sleeve is integrally formed with the upper handle or the lower handle.
4. The bone forceps of claim 2, wherein the locking tongue comprises: straight flat end and circular arc section;
one end of the straight section is vertically connected with one end of the circular arc section, and the joint of the straight section and the circular arc section is rotationally connected to the upper handle or the lower handle;
the other end of the straight flat section is provided with a locking tooth used for being clamped with the locking sleeve;
correspondingly, the bone holding forceps further comprise: an elastic member;
one end of the elastic piece is connected with the upper handle or the lower handle, and the other end of the elastic piece is positioned below the arc section.
5. The bone forceps of claim 4, wherein the resilient member includes a locking spring;
one end of the elastic piece is connected with the upper handle or the lower handle, and the other end of the elastic piece is positioned below the arc section: one end of the locking elastic sheet is connected with the upper handle or the lower handle, and the other end of the locking elastic sheet is located below the arc section.
6. The bone holding forceps of claim 5 wherein the other end of the circular arc segment is provided with a flat plate for pressing.
7. A bone clamp according to any one of claims 1 to 6, wherein the resilient structure comprises: the first opening and closing elastic piece and the second opening and closing elastic piece;
the first end of the first opening and closing elastic sheet is connected with the first end of the second opening and closing elastic sheet, the second end of the first opening and closing elastic sheet is connected with the upper handle, and the second end of the second opening and closing elastic sheet is connected with the lower handle; or,
the second end of the first opening and closing elastic sheet is connected with the lower handle, and the second end of the second opening and closing elastic sheet is connected with the upper handle.
8. The bone-holding forceps of claim 7,
the first end of the first opening and closing elastic sheet is provided with a through hole, and the first end of the second opening and closing elastic sheet is provided with a bulge;
the protrusion penetrates into the through hole to connect the first opening and closing elastic piece and the second opening and closing elastic piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420780048.4U CN204318881U (en) | 2014-12-10 | 2014-12-10 | Bone holding forceps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420780048.4U CN204318881U (en) | 2014-12-10 | 2014-12-10 | Bone holding forceps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204318881U true CN204318881U (en) | 2015-05-13 |
Family
ID=53155294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420780048.4U Expired - Fee Related CN204318881U (en) | 2014-12-10 | 2014-12-10 | Bone holding forceps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204318881U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107536638A (en) * | 2017-06-13 | 2018-01-05 | 马克 | A kind of surgical instrument assemblies for fracture fixation |
| CN108888333A (en) * | 2018-08-17 | 2018-11-27 | 遵义市中医院 | A kind of universal Medical bottle opener auxiliary tool |
| CN110037770A (en) * | 2019-04-09 | 2019-07-23 | 王保华 | A kind of surgical procedures pincers |
| CN110403654A (en) * | 2019-08-23 | 2019-11-05 | 秦纯 | A kind of stitch equipment |
-
2014
- 2014-12-10 CN CN201420780048.4U patent/CN204318881U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107536638A (en) * | 2017-06-13 | 2018-01-05 | 马克 | A kind of surgical instrument assemblies for fracture fixation |
| CN108888333A (en) * | 2018-08-17 | 2018-11-27 | 遵义市中医院 | A kind of universal Medical bottle opener auxiliary tool |
| CN110037770A (en) * | 2019-04-09 | 2019-07-23 | 王保华 | A kind of surgical procedures pincers |
| CN110403654A (en) * | 2019-08-23 | 2019-11-05 | 秦纯 | A kind of stitch equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204318881U (en) | Bone holding forceps | |
| CN201510389U (en) | Resetting and positioning tractor suitable for patient with fracture | |
| CN204562491U (en) | Radius far-end fracture traction apparatus | |
| CN205924101U (en) | Hemostatic forceps for foundation medicine | |
| CN209122415U (en) | A kind of elbow fracture reduction forceps | |
| CN203763208U (en) | Fracture reduction forceps for nasal bone | |
| CN203576583U (en) | Surgical hemostatic forceps | |
| CN205019142U (en) | Restorer is rolled over to hollow sharp dentary | |
| CN208926571U (en) | A kind of fracture of clavicle Retracting repositioning device | |
| CN201949098U (en) | Novel reduction forceps | |
| CN203017056U (en) | Joint-fracture reduction device | |
| CN104027065A (en) | Medical mouth gag | |
| CN205586068U (en) | Novel patella fracture pincers that reset | |
| CN212788622U (en) | Nasal rongeur | |
| CN211934454U (en) | Pediatric orthopedic traction bow | |
| CN202060849U (en) | Orthopedic position restoration device | |
| CN204562246U (en) | A kind of distraction forcep of removing in pedicle of vertebral arch screw tack operation | |
| CN203591320U (en) | Tail-breaking device | |
| CN201282996Y (en) | Clamp for fracture diaplasis | |
| CN208726068U (en) | A kind of orthopaedic gypsum dismounting pincers | |
| CN111920509A (en) | Accurate-positioning reduction fixing forceps for traumatic orthopedics department | |
| CN203647459U (en) | Nail/needle guider for phalanges | |
| CN205379358U (en) | Orthopaedic nail removing device | |
| CN204839785U (en) | Dentagra | |
| CN211050572U (en) | Anesthesia mouth gag |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |