CN219962945U - Oral cavity drag hook - Google Patents
Oral cavity drag hook Download PDFInfo
- Publication number
- CN219962945U CN219962945U CN202320583333.6U CN202320583333U CN219962945U CN 219962945 U CN219962945 U CN 219962945U CN 202320583333 U CN202320583333 U CN 202320583333U CN 219962945 U CN219962945 U CN 219962945U
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- holding groove
- working end
- drag hook
- groove
- main body
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- 210000000214 mouth Anatomy 0.000 title claims description 11
- 210000003813 thumb Anatomy 0.000 claims abstract description 14
- 210000004872 soft tissue Anatomy 0.000 description 14
- 210000004357 third molar Anatomy 0.000 description 13
- 210000003811 finger Anatomy 0.000 description 11
- 230000003239 periodontal effect Effects 0.000 description 8
- 208000027418 Wounds and injury Diseases 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 210000003128 head Anatomy 0.000 description 4
- 210000004932 little finger Anatomy 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004816 latex Substances 0.000 description 2
- 229920000126 latex Polymers 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 241001133760 Acoelorraphe Species 0.000 description 1
- 241000251468 Actinopterygii Species 0.000 description 1
- 241000446313 Lamella Species 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 210000000236 metacarpal bone Anatomy 0.000 description 1
- 210000000811 metacarpophalangeal joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model provides an oral drag hook, comprising: a retractor body; the drag hook main body is provided with a first working end and a second working end; the first working end and the second working end are provided with cambered surfaces, the cambered surfaces comprise inner cambered surfaces and outer cambered surfaces, and the ends of the first working end and the second working end are wedge-shaped; the upper surface of the drag hook main body is also provided with a first holding groove and a second holding groove which are used for being attached to the thumb part of the hand of a human body; the first holding groove and the second holding groove are positioned between the first working end and the second working end, and the horizontal distance from the center of the first holding groove to the end of the first working end is equal to the horizontal distance from the center of the second holding groove to the end of the second working end. The device can be attached to the hand of a human body, is labor-saving to hold and can relieve the pain of a patient.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to an oral drag hook.
Background
In the mandibular wisdom tooth extraction operation, a doctor needs to cut the gum at the wisdom tooth first, and then turn the gum over through the cut to expose the wisdom tooth, so that the high-speed turbine drill is used for tooth segmentation. The high-speed turbine drill can generate local negative pressure when rotating, and the surrounding soft tissues are sucked into the drill bit for mincing, so that oral cavity injury is caused, bleeding, swelling and even infection occur after operation. Special instruments are required to protect periodontal soft tissue during surgery.
Currently, there is also a device for protecting periodontal tissue, such as CN209091467U, but the device has the problems that a doctor holds the device hard, the doctor cannot hold the device for a long time or perform high-intensity operation, and the flat working end causes pain to the incision of a patient when performing flap turning.
Disclosure of Invention
In order to solve the technical problem, the utility model provides the oral retractor, which can be attached to the hand of a human body, is labor-saving to hold and can relieve the pain of a patient.
In order to achieve the purpose of the utility model, the utility model is realized by the following technical scheme: an oral retractor comprising: a retractor body; the drag hook main body is provided with a first working end and a second working end; the first working end and the second working end are provided with cambered surfaces, the cambered surfaces comprise inner cambered surfaces and outer cambered surfaces, and the ends of the first working end and the second working end are wedge-shaped; the upper surface of the drag hook main body is also provided with a first holding groove and a second holding groove which are used for being attached to the thumb part of the hand of a human body; the first holding groove and the second holding groove are positioned between the first working end and the second working end, and the horizontal distance from the center of the first holding groove to the end of the first working end is equal to the horizontal distance from the center of the second holding groove to the end of the second working end.
Optionally, the first holding groove and the second holding groove are also used for holding the big thenar of the human hand.
Optionally, the first working end and the second working end are coated with a layer of latex material protective sleeve.
In one possible implementation, the first working end is centrosymmetric with respect to the second working end.
In one possible implementation manner, the middle part of the end head of the first working end is further provided with a concave part, and the widths of the first working end and the second working end are smaller than the width of the middle waist part of the drag hook main body.
In one possible implementation, the curved surface of the first working end is curved downward, and the curved surface of the second working end is curved upward.
In one possible implementation manner, the range of an included angle between the tangent line of the outer cambered surface of the first working end and the normal line of the upper surface of the middle waist of the drag hook main body is 70-90 degrees, and the tangent line of the outer cambered surface of the first working end is a tangent line passing through the center point of the curve of the transverse section of the outer cambered surface of the first working end; the included angle range of the tangent line of the outer cambered surface of the second working end and the normal line of the upper surface of the middle waist of the drag hook main body is 70-90 degrees, and the tangent line of the outer cambered surface of the second working end is a tangent line passing through the center point of the transverse section curve of the outer cambered surface of the second working end.
Optionally, the range of an included angle between the tangent line of the outer cambered surface of the first working end and the normal line of the upper surface of the middle waist of the drag hook main body is 80 degrees, and the tangent line of the outer cambered surface of the first working end is a tangent line passing through the center point of the curve of the transverse section of the outer cambered surface of the first working end; the included angle range of the outer cambered surface tangent line of the second working end and the normal line of the upper surface of the middle waist of the drag hook main body is 80 degrees, and the outer cambered surface tangent line of the second working end is a tangent line passing through the center point of the transverse section curve of the outer cambered surface of the second working end.
In one possible implementation, the lower surface of the retractor body further has a third grip groove corresponding to the first grip groove and a fourth grip groove corresponding to the second grip groove.
In one possible implementation manner, the first holding groove, the second holding groove, the third holding groove and the fourth holding groove have the same shape and size, the shape is a groove with an elliptical or elliptical-like edge, and the groove surface of the groove is a smooth curved surface.
In one possible implementation manner, the groove surfaces of the first holding groove and the third holding groove and the cambered surface of the first working end are continuous curved surfaces, and the smooth curved surfaces of the second holding groove and the fourth holding groove and the cambered surface of the second working end are continuous curved surfaces.
In one possible implementation manner, the thicknesses of the edges of the first holding groove and the third holding groove, which are close to the long edges of the two sides of the drag hook main body, are equal to the thicknesses of the edges of the second holding groove and the fourth holding groove, which are close to the long edges of the two sides of the drag hook main body, and are larger than the thickness of the middle waist of the drag hook main body.
In one possible implementation, the retractor body has a length of 180mm; the distance from the end concave part of the first working end to the center of the first holding groove is 55mm, and the horizontal distance from the end of the second working end to the center of the second holding groove is 56mm; the horizontal distance from the center of the first holding groove to the center of the second holding groove is 68mm, the width of the middle waist of the drag hook main body between the first holding groove and the second holding groove is 20mm, the thickness of the middle waist of the drag hook main body is 3.8mm, the width of the first working end and the second working end is 16mm, and the thickness of the end head is 0.4mm.
In one possible implementation manner, the end head has a smooth port with a thickness of 0.4mm and is used for being conveniently inserted into a wound at the wisdom tooth of a patient so as to achieve the purpose of protecting soft tissues around the wound and not hurting the soft tissues deep in the wound.
In one possible implementation manner, the major axis of the edge ellipse of the first holding groove is 44mm, the minor axis is 17mm, the depth is 1.3mm, the width of the middle waist of the drag hook main body between the first holding groove and the second holding groove is 20mm, the thickness is 3.8mm, and the thicknesses of the edges of the first holding groove and the third holding groove, which are close to the long edges on two sides of the drag hook main body, are 5.3mm.
In one possible implementation manner, the first holding groove and the third holding groove are positioned and shaped like two curved surfaces, and the thickness of the edge close to the long edges of the two sides of the drag hook main body is larger than the thickness of the middle waist of the drag hook main body.
The technical scheme provided by the utility model has the following technical effects:
by adopting the oral retractor, the following technical effects can be achieved: the arrangement of the integral continuous curved surface of the device accords with the state of human hand when the hand is naturally held, and can be well attached to the hand shape of a human body; the setting of four holding grooves can be fine carry out spacingly to five fingers and big thenar under the nature state of holding, can effectively save the grip of doctor when holding to the cambered surface design of work end can be when the gum turns over the lamella, can jack up periodontal soft tissue easily and protect through the protruding part of cambered surface one side, and cambered surface protruding part is even to periodontal soft tissue application of force, alleviates patient's misery.
Drawings
FIG. 1 is a schematic view of the structure of the oral retractor of the present utility model;
FIG. 2 is a schematic diagram of the oral retractor of the present utility model from a top view;
FIG. 3 is a schematic view of the oral retractor of the present utility model from a front view perspective;
FIG. 4 is a schematic cross-sectional view of a second grip slot of the oral retractor of the present utility model;
fig. 5 illustrates a method of grasping an oral retractor of the present utility model.
Reference numerals: 1-a first working end, 11-an end recess; 2-a second working end; 3-a first grip slot; 4-a second grip slot; 5-a third grip slot; 6-fourth holding groove.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "aligned," "overlapping," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operate in a specific orientation, and therefore should not be construed as limiting the present utility model.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second" may include one or more such features, either explicitly or implicitly; in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
Example 1
Fig. 1-5 are diagrams showing an oral retractor according to embodiment 1 of the present utility model, including: a retractor body; the drag hook main body is provided with a first working end 1 and a second working end 2, the first working end 1 and the second working end 2 are provided with cambered surfaces, the cambered surfaces comprise an inner cambered surface and an outer cambered surface, and the ends of the first working end 1 and the second working end 2 are wedge-shaped; the drag hook main body is also provided with a first holding groove 3 and a second holding groove 4, and the first holding groove 3 and the second holding groove 4 are used for being attached to the thumb of the hand of a human body to hold;
the first holding groove 3 and the second holding groove 4 are positioned between the first working end 1 and the second working end 2, and the horizontal distance from the center of the first holding groove 3 to the end of the first working end 1 is equal to the horizontal distance from the center of the second holding groove 4 to the end of the second working end 2.
Optionally, the main body of the draw hook is made of stainless steel which accords with national standards of the people's republic of China/sanitary standards of stainless steel tableware containers GB 4806.9-2016.
Optionally, the first holding groove 3 and the second holding groove 4 are also used for holding the human hand with the big fish.
Optionally, the first working end 1 and the second working end 2 are coated with a layer of latex material protective sleeve, and by adopting the embodiment, the working end can be contacted with the incision of the gum at the wisdom tooth more gently.
In one possible implementation, the first working end 1 is centrosymmetric with respect to the second working end 2.
In a possible embodiment, the middle part of the end of the first working end 1 is further provided with a concave part 11, and by adopting the embodiment, different working ends can be selected according to the wisdom tooth burying depth, and the concave part 11 can better enable the first working end 1 to extend into the incision for flap turning.
In one possible implementation manner, the cambered surface bending direction of the first working end 1 is downward, and the cambered surface bending direction of the second working end 2 is upward, so that when the drag hook is used, the degree of fitting between unused work and palm roots and wrists can be improved.
In one possible implementation manner, the range of the normal angle between the tangent line of the outer arc surface of the first working end 1 and the upper surface of the middle waist of the drag hook main body is 80 degrees, and the tangent line of the outer arc surface of the first working end 1 is a tangent line passing through the center point of the transverse section curve of the outer arc surface of the first working end 1; the normal contained angle scope of the outer cambered surface tangent line of second work end 2 and the middle waist upper surface of drag hook main part is 80, the outer cambered surface tangent line of second work end 2 is the tangent line of the transversal section curve central point of the outer cambered surface of second work end 2 of passing through, adopts the crookedness of this embodiment work end cambered surface to accord with ergonomic design, can be when using the oral cavity drag hook, more comfortable and laborsaving.
In one possible embodiment, the width of the first working end 1 and the second working end 2 is smaller than the width of the middle waist of the retractor body, and with this embodiment, the width of the working end can be reduced without affecting the holding, so as to facilitate insertion into an incision.
In one possible implementation manner, the other side of the drag hook main body is further provided with a third holding groove 5 corresponding to the first holding groove 3 and a fourth holding groove 6 corresponding to the second holding groove 4, by adopting the implementation manner, two holding grooves which are formed by the thumb and the big thenar being jointed on one side when the drag hook is held, two holding grooves which are formed by the index finger, the middle finger, the ring finger and the little finger being jointed on the other side are realized, and the middle waist of the drag hook main body in the middle of the two holding grooves is used for supporting the metacarpophalangeal joint between the thumb and the first metacarpal bone when the drag hook is held.
In a possible implementation manner, the shapes and the sizes of the first holding groove 3, the second holding groove 4, the third holding groove 5 and the fourth holding groove 6 are the same, the shapes are grooves with oval edges, the groove surfaces of the grooves are smooth curved surfaces, the smooth curved surface grooves in the implementation manner can enable the five fingers of the hand and the large thenar to be more attached to the holding grooves, and the shapes and the sizes of the four holding grooves are the same to realize that the drag hook is used by a left hand or a right hand, and the comfortable attaching sense is kept when the drag hook is used by the first working end or the second working end.
In one possible implementation manner, the groove surfaces of the first holding groove 3 and the third holding groove 5 and the cambered surface of the first working end 1 are continuous curved surfaces, and the smooth curved surfaces of the second holding groove 4 and the fourth holding groove 6 and the cambered surface of the second working end 2 are continuous curved surfaces.
In a possible implementation manner, the thickness of the edges of the first holding groove and the third holding groove, which are close to the long edges of the two sides of the drag hook main body, is equal to the thickness of the edges of the second holding groove and the fourth holding groove, which are close to the long edges of the two sides of the drag hook main body, and is greater than the thickness of the middle waist of the drag hook main body, so that the effect of the holding groove on thumb limiting can be enhanced by adopting the implementation manner.
In one possible embodiment, the retractor body has a length of 180mm; the distance from the end concave part 11 of the first working end 1 to the center of the first holding groove 3 is 55mm, and the horizontal distance from the end of the second working end 2 to the center of the second holding groove 4 is 56mm; the horizontal distance from the center of the first holding groove 3 to the center of the second holding groove 4 is 68mm, the width of the middle waist of the drag hook main body between the first holding groove 3 and the second holding groove 4 is 20mm, the thickness is 4.6mm, and the width of the first working end 1 and the second working end 2 is 16mm.
In one possible implementation manner, the end head has a smooth port and a thickness of 0.4mm, and is used for being conveniently inserted into a wound at the wisdom tooth of a patient so as to achieve the purpose of protecting soft tissues around the wound without damaging the soft tissues deep in the wound.
In one possible implementation manner, the major axis of the oval edge of the first holding groove 3 is 44mm, the minor axis is 17mm, the depth is 1.3mm, the width of the middle waist of the drag hook main body between the first holding groove 3 and the second holding groove 4 is 20mm, the thickness is 3.8mm, and the thicknesses of the edges of the first holding groove and the third holding groove, which are close to the long edges on two sides of the drag hook main body, are 5.3mm.
In one possible implementation manner, the positions and shapes of the first holding groove 3 and the third holding groove 5 are similar to those of the two curved surfaces, the two curved surfaces are the same, the thickness of the edges close to the long edges on two sides of the drag hook main body is larger than that of the middle waist of the drag hook main body, and the effect of the holding groove on thumb limit can be enhanced by adopting the implementation manner.
Example 2
The embodiment provides a method for using the oral drag hook in the above embodiment, taking the case that the patient needs to pull the wisdom tooth at the lower left side, the wisdom tooth is buried deeply, and the doctor holds the oral drag hook in the right hand, because the wisdom tooth is buried deeply, the doctor selects to use the first working end 1, after cutting the incision, the doctor uses the thumb to attach the third holding groove 5, uses the right hand to attach the third holding groove 6, uses the index finger to attach the first holding groove 3, uses the middle finger, the ring finger and the little finger to attach the second holding groove 4, and uses the whole hand to attach the streamline main body of the oral drag hook to present a natural holding state, so that the force application efficiency is high, and the long-time continuous holding can be realized; then the first working end is inserted into the incision, the protruding surface of the cambered surface is close to the oral cavity wall, the periodontal soft tissue is easily jacked and protected by the protruding part, the force application of the cambered surface protruding part to the periodontal soft tissue is uniform, the pain of a patient is relieved, when the lingual soft tissue is required to be protected, the left hand-held oral cavity drag hook is replaced, at the moment, the left hand thumb is attached to the third holding groove 5, the right hand-held oral cavity drag hook can be continuously used, and at the moment, the right hand thumb is attached to the first holding groove 3.
Example 3
The embodiment provides a method for using the oral drag hook according to the above embodiment, taking the case that the patient needs to pull the wisdom tooth at the lower left side, the wisdom tooth is shallow, the doctor holds the oral drag hook according to the utility model with a left hand, and the wisdom tooth is deep, so that the doctor selects the second working end 2 to use, after cutting the incision, the doctor applies the thumb to the second holding groove 4, applies the thenar to the first holding groove 3, applies the index finger to the fourth holding groove 6, applies the middle finger, the ring finger and the little finger to the third holding groove 5, and applies the whole hand to the streamline main body of the oral drag hook to present a natural holding state, so that the force application efficiency is high, and the long-time continuous holding can be realized; then the second working end 2 is inserted into the incision, the protruding surface of the cambered surface is close to the oral cavity wall, the periodontal soft tissue is easily jacked and protected by the protruding part, the force applied to the periodontal soft tissue by the protruding part of the cambered surface is uniform, the pain of a patient is relieved, when the lingual soft tissue is required to be protected, the left hand-held oral cavity drag hook is replaced, at the moment, the thumb of the left hand is attached to the second holding groove 4, the right hand-held oral cavity drag hook can be continuously used, and at the moment, the thumb of the right hand is attached to the fourth holding groove 6.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting. The utility model is not limited to the exact construction described above and illustrated in the accompanying drawings, and the practice of the utility model is not to be considered limited to these descriptions. Various changes and modifications may be made by one of ordinary skill in the art without departing from the spirit of the utility model, and the utility model is deemed to fall within the scope of protection.
Claims (10)
1. An oral retractor, comprising: a retractor body;
the drag hook main body is provided with a first working end (1) and a second working end (2); the first working end (1) and the second working end (2) are provided with cambered surfaces, the cambered surfaces comprise inner cambered surfaces and outer cambered surfaces, and the ends of the first working end (1) and the second working end (2) are wedge-shaped;
the upper surface of the drag hook main body is also provided with a first holding groove (3) and a second holding groove (4), and the first holding groove (3) and the second holding groove (4) are used for being attached and held by the thumb of the hand of a human body;
the first holding groove (3) and the second holding groove (4) are positioned between the first working end (1) and the second working end (2), and the horizontal distance from the center of the first holding groove (3) to the end of the first working end (1) is equal to the horizontal distance from the center of the second holding groove (4) to the end of the second working end (2).
2. The oral retractor according to claim 1, wherein the middle of the tip of the first working end (1) further has a recess (11), and the widths of the first working end (1) and the second working end (2) are smaller than the width of the middle waist of the retractor body.
3. The oral retractor according to claim 1, wherein the curved surface of the first working end (1) is curved downward and the curved surface of the second working end (2) is curved upward.
4. The oral retractor according to claim 1, wherein the angle between the tangent line of the outer arc surface of the first working end (1) and the normal line of the upper surface of the middle waist of the retractor body is 70-90 °, and the tangent line of the outer arc surface of the first working end (1) is the tangent line passing through the center point of the curve of the transverse section of the outer arc surface of the first working end (1); the included angle between the tangent line of the outer cambered surface of the second working end (2) and the normal line of the upper surface of the middle waist of the drag hook main body is 70-90 degrees, and the tangent line of the outer cambered surface of the second working end (2) is a tangent line passing through the center point of the curve of the transverse section of the outer cambered surface of the second working end (2).
5. The oral retractor according to claim 1, wherein the lower surface of the retractor body further has a third grip groove (5) corresponding to the first grip groove (3) and a fourth grip groove (6) corresponding to the second grip groove (4).
6. The oral retractor according to claim 5, wherein the first holding groove (3), the second holding groove (4), the third holding groove (5) and the fourth holding groove (6) have the same shape and size, the shape is a groove with an oval or elliptical-like edge, and the groove surface of the groove is a smooth curved surface.
7. The oral retractor according to claim 6, wherein the groove surfaces of the first holding groove (3) and the third holding groove (5) and the arc surface of the first working end (1) are continuous curved surfaces, and the smooth curved surfaces of the second holding groove (4) and the fourth holding groove (6) and the arc surface of the second working end (2) are continuous curved surfaces.
8. The oral cavity drag hook according to claim 7, wherein the thickness of the edges of the first holding groove (3) and the third holding groove (5) which are close to the long edges on two sides of the drag hook main body is equal to the thickness of the edges of the second holding groove (4) and the fourth holding groove (6) which are close to the long edges on two sides of the drag hook main body, and is larger than the thickness of the middle waist of the drag hook main body.
9. The oral retractor of claim 2, wherein said retractor body has a length of 180mm; the distance from the end concave part (11) of the first working end (1) to the center of the first holding groove (3) is 55mm, and the horizontal distance from the end of the second working end (2) to the center of the second holding groove (4) is 56mm; the horizontal distance from the center of the first holding groove (3) to the center of the second holding groove (4) is 68mm, the width of the middle waist of the drag hook main body between the first holding groove (3) and the second holding groove (4) is 20mm, the thickness of the middle waist of the drag hook main body is 3.8mm, the width of the first working end (1) and the second working end (2) is 16mm, and the thickness of the end is 0.4mm.
10. The oral retractor according to claim 8, wherein the major axis of the oval edge of the first holding groove (3) is 44mm, the minor axis is 17mm, the depth is 1.3mm, the width of the middle waist of the retractor body between the first holding groove (3) and the second holding groove (4) is 20mm, the thickness is 3.8mm, and the thickness of the edges of the first holding groove (3) and the third holding groove (5) near the long sides of the retractor body is 5.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320583333.6U CN219962945U (en) | 2023-03-23 | 2023-03-23 | Oral cavity drag hook |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320583333.6U CN219962945U (en) | 2023-03-23 | 2023-03-23 | Oral cavity drag hook |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219962945U true CN219962945U (en) | 2023-11-07 |
Family
ID=88593546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320583333.6U Active CN219962945U (en) | 2023-03-23 | 2023-03-23 | Oral cavity drag hook |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219962945U (en) |
-
2023
- 2023-03-23 CN CN202320583333.6U patent/CN219962945U/en active Active
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