CN108742922B - Tissue retractor used in oral surgery - Google Patents
Tissue retractor used in oral surgery Download PDFInfo
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- CN108742922B CN108742922B CN201810316167.7A CN201810316167A CN108742922B CN 108742922 B CN108742922 B CN 108742922B CN 201810316167 A CN201810316167 A CN 201810316167A CN 108742922 B CN108742922 B CN 108742922B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C19/00—Dental auxiliary appliances
- A61C19/06—Implements for therapeutic treatment
Abstract
The tissue retractor used in the oral surgery comprises a deformable and compact elastic retractor ring and an imbedding structure, and is characterized in that the front end of the imbedding structure is a compact elastic retractor ring imbedding part, and the elastic retractor ring is compact and arranged in the imbedding part; the cross section area of the imbedding part is smaller than the area of the elastic traction ring after the elastic traction ring is stretched; a forward pushing structure is arranged behind the imbedding part, and the cross street area of the forward pushing structure is not smaller than the middle gap area of the tightening elastic traction ring; the rear end of the push bar setting part is provided with a push bar setting part, and a push bar channel with the same size as the front push bar is arranged in the push bar setting part; the rear end of the push bar is connected with a front push button for pushing the front push bar. The front push button can be arranged in the push button movable groove of the push bar imbedding part, or in the hole groove at the rear end, or an extension section connected with the front push button is arranged. In addition, the rear end is provided with a rear end vertical section which is arranged in a separated mode, so that the angles of all parts can be adjusted according to the operation requirement, and the force is conveniently applied. The structure is reasonable and convenient to use.
Description
Technical Field
The invention belongs to the field of medical equipment in the stomatology, in particular to a retracting instrument used in oral surgery, and particularly relates to a tissue retracting device used in oral surgery.
Background
During surgery, to better expose the surgical field, the wound needs to be retracted, and a conventional retractor is typically used clinically to retract the wound directly exposed to the outside of the body. When the conventional retractor is applied to the stomatology operation, the incision is often not easy to put in due to the disguise of the incision, and the conventional retractor is especially used for the aspects of the related fields such as the oral cavity plastic operation, the dental implant operation and the like.
Although some devices for gum separation exist in the prior art, the devices need to be repeatedly adjusted on the outer side to achieve accurate positioning, for example, the adjustable gum separation fixator 201520152475.2 for dental implant surgery and the gum retraction device 201520260440.0 for dental implant need to be adjusted when retracting the structures, so that the process of inserting the devices is complicated. In addition, the oral cavity retractor is mainly applied to the field of gingival separation in the prior art, has a narrow field range, and has an insignificant effect on retraction of other parts in the field of stomatology.
Aiming at the problems of complex tissue separation and retraction process and long adjustment time in the field of stomatology in the prior art, the invention provides a simple and convenient tissue retraction instrument capable of being placed.
Disclosure of Invention
The invention provides a tissue retractor used in oral surgery, which aims to solve the problems of complex tissue separation and retraction process and long adjustment time in the field of stomatology in the prior art.
The tissue retractor used in the oral surgery comprises a deformable and compact elastic traction ring and an imbedding structure, and is characterized in that the front end of the imbedding structure is an imbedding part, and the elastic traction ring is compact and arranged in the imbedding part; the cross section area of the imbedding part is smaller than the area of the elastic traction ring after the elastic traction ring is stretched; a forward pushing structure is arranged behind the imbedding part, and the cross street area of the forward pushing structure is not smaller than the middle gap area of the tightening elastic traction ring; a front push bar is arranged behind the front push structure, the rear end of the insertion structure is provided with a push bar setting part, and a push bar channel with the same size as the front push bar is arranged in the push bar setting part; the rear end of the front push bar is connected with a front push button for pushing the front push bar. When the structure is used, firstly, the elastic traction ring is arranged on the imbedding part, then the retracting device is arranged according to physiological bending of the oral cavity, the imbedding part enters the operation part, and then the front pushing button pushes the front pushing belt to drive the front pushing piston to move forward relatively, so that the elastic traction ring leaves the imbedding part to enter the operation incision or gingival tissues to be separated; the released elastic traction ring is automatically opened, and the annular wall is supported at the incision or gum position, so that the operation vision is clear. The whole operation is simple and convenient.
Further, the forward pushing structure is preferably a forward pushing piston;
further, the bending direction of the push bar setting part accords with the physiological bending of the oral cavity operation part.
Furthermore, the cross-street area of the forward pushing piston is equal to the area of the inner cavity of the imbedding part, and the forward pushing of the elastic traction ring can be effectively realized by the mode.
Further, a thin buffer layer is arranged on the outer side of the elastic traction ring, the buffer layer is a gel buffer layer or a gel buffer layer with medicines, and the arrangement of the buffer layer can effectively reduce the blunt contact of contact parts during contact and reduce the pain of patients during contact.
Furthermore, the rear ends of the imbedding part and the pushing strip setting part are both in cylindrical ring structures, and the setting is convenient for pushing out the elastic traction ring and the force application of the rear end.
Further, a push button movable groove is arranged at the rear end of the push bar setting part; the front push button extends out of the imbedding structure through the connecting section; or an extending section of a front push bar is arranged, and a front push button is arranged at the rear end of the extending section; the extending section extends from the rear end of the push bar setting part.
Or the rear end of the push bar setting part is provided with a push button movable section, the push button movable section is provided with a hole groove for the front push button to move, and the caliber of the hole groove of the push button movable section is the same as that of the front push button; a front push cap is arranged behind the front push button; the front end of the front push button is arranged in the hole groove when not in use; the front push button is of a cylindrical structure with a diameter larger than that of the front push bar. The control of the push-forward bar can be realized through the arrangement.
Furthermore, the length of the imbedding part is not more than the length of the movable section of the push button, and the arrangement ensures that the push button can effectively and reasonably push out the elastic traction ring. Preferably, the length of the insertion part is equal to the length of the movable section of the push button.
Further, the elastic traction ring is made of an elastically contractible material,
further, the annular plate is arranged below the elastic traction ring, and the micro-roll structure can be arranged on the annular plate, so that the upper tissue is effectively rolled into the elastic traction ring, and the interference to the tissue is effectively prevented.
Further, the push bar is a shape-variable push bar, the push bar channel is a curved channel, and the push bar can change along with the channel shape when moving forward.
Further, a spring structure is arranged in front of the front push button, the front push bar penetrates through the spring structure, and the spring structure is arranged in a hole groove at the rear end of the push bar arrangement part; the arrangement of the spring structure can ensure the position of the elastic insert ring to be restored after being pushed out. The arrangement is convenient for multiple uses of the imbedding structure.
Further, the imbedding structure is connected with the pushing strip setting part adjacent to the imbedding structure at a certain angle; wherein the preferred insertion structure is connected perpendicular to the pusher bar arrangement adjacent to the insertion structure; the elastic traction ring can be conveniently arranged according to the structure that the depth of the incision is perpendicular to the plane where the incision is positioned.
Further, the rear end of the push bar setting part also comprises a rear end inclined section which forms a certain angle with the adjacent part of the rear end. Wherein the rear end of the push bar arrangement portion preferably comprises a rear end vertical section perpendicular to the portion immediately adjacent to the rear end.
Further, the push-forward bar channel is disposed at a central location of each section.
Further, the rear vertical section is provided separately from the immediately adjacent portion thereof, and the separate portion is provided with a structure that enables rotation of the rear vertical section about the immediately adjacent portion thereof.
Further, the front end of the rear vertical section which is arranged in a separated mode comprises a short horizontal section, the short horizontal section is inserted into or sleeved on the embedded structure at the front end of the short horizontal section, the vertical section can be rotated in the mode, and good force and observation angle can be achieved in specific operation.
Further, a corresponding longitudinal protruding tooth structure is arranged at the contact position of the short horizontal section and the imbedding structure at the front end of the short horizontal section, and the protruding tooth structure can realize the adjustment of the angle of force application and the fixation of the relative position when no force is applied; or a screw structure which rotates with corresponding force is arranged at the contact position of the short horizontal section and the imbedding structure.
Further, a locking protrusion is arranged at the tail end of the short horizontal section and the tail end of the front end push bar setting part, so that the short horizontal section and the front end push bar setting part are prevented from being separated;
further, a section of forward pushing channel larger than the pushing channel is arranged in the imbedding structure in front of the short horizontal section, the forward pushing strips are arranged in the forward pushing channel in a separated mode, and a forward pushing plate with the same caliber as that of the forward pushing channel is arranged on the forward pushing strip at the rear end; through the arrangement, the torsion force brought to the front push bar when the separation part rotates can be effectively eliminated, and the arrangement of the front push plate can also prevent the separation of the two parts in the use process.
Furthermore, the middle part of the imbedding structure is prepared from a material with adjustable force, so that the problem of angle adjustment according to the condition of a patient can be solved, and the angle can be adjusted according to specific requirements during operation.
Further, a miniature illuminating lamp and a miniature photographing structure are arranged on the side wall of the imbedding part, and the photographing structure is connected with a wireless outgoing module at the rear end; the wireless outgoing module is connected with the wireless terminal, and the arrangement of the illuminating lamp and the miniature photographing structure does not influence the release of the elastic traction ring; the illuminating lamp and the miniature photographing structure are connected with a power supply structure at the rear end through a thin wire in the micro wire hole. The arrangement can be used for knowing the front situation when being placed, so that doctors can know the front situation more.
Further, the elastic traction ring with different inner circumferences is arranged in different sizes, and the sizes of the elastic traction rings can be selected according to the sizes of the surgical incisions.
Further, the bending direction of the imbedding structure accords with the physiological bending of the oral cavity operation part, and the mode can effectively realize the convenience of operation.
By the mode, the traction and separation of tissues in the oral cavity operation and the dental implant operation process can be realized, and the device is reasonable in structure and simple and convenient to operate.
When the elastic traction ring is used, the elastic traction ring is firstly arranged at the placement part, after the whole placement structure is placed at a proper position, the push button is pushed forward to push out the elastic traction ring, and then the elastic traction ring is automatically opened, so that the placement and the opening of the elastic traction ring are convenient.
Compared with the tissue retractor in the stomatology of the prior art, the tissue retractor has reasonable structure and simple operation, and can realize the tissue retraction very simply and rapidly.
Drawings
FIG. 1 is a schematic view of the overall structure of the invention with a separate rear vertical section and with a push button movable slot;
FIG. 2 is a schematic view of the overall longitudinal cross-section of the present invention without the separate rear vertical section and with the push button movable slot;
FIG. 3 is a schematic view of the overall structure of the invention with a separate rear vertical section and a perforated slot;
FIG. 4 is a schematic view of the overall longitudinal cross-sectional structure of the present invention with a separate rear vertical section and with a perforated slot;
FIG. 5 is a schematic view of the structure of the invention with a separate rear vertical section and with a perforated slot and without an external wrap through;
FIG. 6 is a schematic view of the overall construction of the belt of the present invention with a rear vertical section separated and with an extended section;
FIG. 7 is a schematic view of the overall longitudinal cross-sectional configuration of the belt of the present invention with the rear vertical section separated and the extended section;
FIG. 8 is a schematic view of the whole structure of the rear vertical section with the push button movable slot and the insertion structure on opposite sides of the rear vertical section with the rear vertical section separated;
FIG. 9 is a schematic view of a longitudinal cross-sectional structure of the present invention with a rear vertical section separated from the rear vertical section and with a push button movable slot on the opposite side from the insertion structure;
FIG. 10 is a schematic view of a partial enlarged structure of the rear end of the short horizontal segment and push bar arrangement part of the present invention with a protruding tooth structure;
FIG. 11 is a schematic view of a partially enlarged structure of the present invention with short horizontal segments separated and with a protruding tooth structure;
FIG. 12 is a schematic view of a partial enlarged structure of the rear end of a push bar arrangement part provided with a protruding tooth structure in a separated manner;
FIG. 13 is a schematic view of a partially enlarged structure of the rear end of the short horizontal segment and push bar arrangement part of the present invention with a screw thread structure;
FIG. 14 is an enlarged view of a portion of a longitudinal section of an insertion structure according to the present invention;
FIG. 15 is a schematic view of the elastic traction ring of the present invention after being extended;
in the figure, 1, an elastic traction ring; 11. an annular plate; 12. a micro-roll structure; 2. placing a structure; 21. an insertion part; 22. pushing the piston forward; 23. a push bar; 24. a pushing bar channel; 25. a front push button; 251. pushing the cap forward; 26. a push bar setting part; 271. a push button movable groove; 272. a connection section; 28. an extension section; 29. a hole groove; 31. a rear vertical section; 32. a short horizontal segment; 33. a protruding tooth structure; 34. a screw structure; 35. a push-forward channel; 36. a front push plate.
Detailed Description
Example 1A tissue retractor for use in oral surgery
The tissue retractor used in the oral surgery comprises a deformable and compact elastic retractor ring 1 and an imbedding structure 2, and is characterized in that the front end of the imbedding structure 2 is provided with an imbedding part 21, and the elastic retractor ring 1 is compactly arranged in the imbedding part 21; the cross section area of the imbedding part 21 is smaller than the area of the elastic traction ring 1 after being stretched out; a forward pushing piston 22 is arranged behind the imbedding part 21, and the cross-street area of the forward pushing piston 22 is equal to the area of the inner cavity of the imbedding part 21; a front push rod 23 is arranged behind the front push piston 22, the rear end of the imbedding structure is provided with a push rod arranging part 26, and a push rod channel 24 with the same size as the front push rod 23 is arranged in the push rod arranging part 26; the rear end of the front push bar is connected with a front push button 25 pushing the front push bar 23, and the bending direction of the push bar setting part 26 accords with the physiological bending of the oral cavity operation part. When the structure is used, firstly, the elastic traction ring 1 is arranged on the imbedding part 21, then the retracting device is arranged according to physiological bending of the oral cavity, the imbedding part 21 enters the operation part, and then the front push button 25 pushes the front push bar 23 to drive the front push piston 22 to move forwards relatively, so that the elastic traction ring 1 leaves the imbedding part 21 to enter the operation incision or the gingival tissue to be separated; after the implantation and release, the elastic traction ring 1 is automatically opened, and the annular wall is supported at the incision or the gum part, so that the operation vision is clear. The whole operation is simple and convenient. The rear ends of the imbedding part 21 and the pushing strip setting part 26 are both in cylindrical ring structures, and the setting is convenient for pushing out the elastic traction ring 1 and the force application of the rear end. The channel of the push-forward bar 23 is arranged in the center of each part. The elastic traction ring 1 is made of an elastically contractible material.
A push button movable groove 271 is also arranged at the rear end of the push bar arrangement part 26; the front push button 25 extends to the outer side of the imbedding structure 2 through the connecting section 272; the length of the insertion portion 21 is equal to the length of the push button moving groove 271.
The annular plate 11 is arranged below the elastic traction ring 1, the push bar is a push bar with a changeable shape, the push bar channel 24 is a bending channel, and the push bar can change along with the channel shape when moving forwards. The placement structure 2 is perpendicular to the pusher bar arrangement 26 immediately adjacent to the placement structure 2; the elastic traction ring 1 can be conveniently arranged according to the structure that the depth of the incision is perpendicular to the plane of the incision. The elastic traction rings 1 with different inner circumferences are arranged in size, and the sizes of the elastic traction rings can be selected according to the sizes of surgical incisions.
Example 2A tissue retractor for use in oral surgery
The tissue retractor used in the oral surgery comprises a deformable and compact elastic retractor ring 1 and an imbedding structure 2, and is characterized in that the front end of the imbedding structure 2 is provided with an imbedding part 21, and the elastic retractor ring 1 is compactly arranged in the imbedding part 21; the cross section area of the imbedding part 21 is smaller than the area of the elastic traction ring 1 after being stretched out; a forward pushing piston 22 is arranged behind the imbedding part 21, and the cross-street area of the forward pushing piston 22 is equal to the area of the inner cavity of the imbedding part 21; a front push rod 23 is arranged behind the front push piston 22, the rear end of the imbedding structure is provided with a push rod arranging part 26, and a push rod channel 24 with the same size as the front push rod 23 is arranged in the push rod arranging part 26; the rear end of the front push bar is connected with a front push button 25 pushing the front push bar 23, and the bending direction of the push bar setting part 26 accords with the physiological bending of the oral cavity operation part. When the structure is used, firstly, the elastic traction ring 1 is arranged on the imbedding part 21, then the retracting device is arranged according to physiological bending of the oral cavity, the imbedding part 21 enters the operation part, and then the front push button 25 pushes the front push bar 23 to drive the front push piston 22 to move forwards relatively, so that the elastic traction ring 1 leaves the imbedding part 21 to enter the operation incision or the gingival tissue to be separated; after the implantation and release, the elastic traction ring 1 is automatically opened, and the annular wall is supported at the incision or the gum part, so that the operation vision is clear. The whole operation is simple and convenient. The rear ends of the imbedding part 21 and the pushing strip setting part 26 are both in cylindrical ring structures, and the setting is convenient for pushing out the elastic traction ring 1 and the force application of the rear end. The channel of the push-forward bar 23 is arranged in the center of each part. The elastic traction ring 1 is made of an elastically contractible material.
A thin buffer layer is arranged outside the elastic traction ring 1, and the buffer layer is a gel buffer layer or a gel buffer layer with medicine.
An extension 28 of the front push bar 23 is provided, and a front push button 25 is provided at the rear end of the extension 28. The length of the insert 21 is equal to the length of the extension 28.
The annular plate 11 is arranged below the elastic traction ring 1, the push bar is a push bar with a changeable shape, the push bar channel 24 is a bending channel, and the push bar can change along with the channel shape when moving forwards. The placement structure 2 is perpendicular to the pusher bar arrangement 26 immediately adjacent to the placement structure 2; the elastic traction ring 1 can be conveniently arranged according to the structure that the depth of the incision is perpendicular to the plane of the incision. The elastic traction rings 1 with different inner circumferences are arranged in size, and the sizes of the elastic traction rings can be selected according to the sizes of surgical incisions.
Example 3A tissue retractor for use in oral surgery
The tissue retractor used in the oral surgery comprises a deformable and compact elastic retractor ring 1 and an imbedding structure 2, and is characterized in that the front end of the imbedding structure 2 is provided with an imbedding part 21, and the elastic retractor ring 1 is compactly arranged in the imbedding part 21; the cross section area of the imbedding part 21 is smaller than the area of the elastic traction ring 1 after being stretched out; a forward pushing piston 22 is arranged behind the imbedding part 21, and the cross-street area of the forward pushing piston 22 is equal to the area of the inner cavity of the imbedding part 21; a front push rod 23 is arranged behind the front push piston 22, the rear end of the imbedding structure is provided with a push rod arranging part 26, and a push rod channel 24 with the same size as the front push rod 23 is arranged in the push rod arranging part 26; the rear end of the front push bar is connected with a front push button 25 pushing the front push bar 23, and the bending direction of the push bar setting part 26 accords with the physiological bending of the oral cavity operation part. When the structure is used, firstly, the elastic traction ring 1 is arranged on the imbedding part 21, then the retracting device is arranged according to physiological bending of the oral cavity, the imbedding part 21 enters the operation part, and then the front push button 25 pushes the front push bar 23 to drive the front push piston 22 to move forwards relatively, so that the elastic traction ring 1 leaves the imbedding part 21 to enter the operation incision or the gingival tissue to be separated; after the implantation and release, the elastic traction ring 1 is automatically opened, and the annular wall is supported at the incision or the gum part, so that the operation vision is clear. The whole operation is simple and convenient. The rear ends of the imbedding part 21 and the pushing strip setting part 26 are both in cylindrical ring structures, and the setting is convenient for pushing out the elastic traction ring 1 and the force application of the rear end. The channel of the push-forward bar 23 is arranged in the center of each part. The elastic traction ring 1 is made of an elastically contractible material.
A thin buffer layer is arranged outside the elastic traction ring 1, and the buffer layer is a gel buffer layer or a gel buffer layer with medicine.
The rear end of the push bar setting part 26 is provided with a push button movable section, the push button movable section is provided with a hole groove 29 for the front push button 25 to move, and the caliber of the hole groove 29 of the push button movable section is the same as that of the front push button 25; a front push cap 251 is provided behind the front push button 25. The above arrangement can realize control of the push-forward bar 23. The front end of the front push button 25 is arranged in the hole groove 29 when not in use; the front push button 25 has a cylindrical structure with a diameter larger than that of the front push bar 23. A spring structure is arranged in front of the front push button 25, the front push bar 23 penetrates through the spring structure, and the spring structure is arranged in a hole groove 29 at the rear end of the push bar arrangement part 26; the arrangement of the spring structure can ensure the position of the elastic insert ring to be restored after being pushed out. This arrangement facilitates multiple uses of the insertion structure 2. The length of the insertion portion 21 is equal to the length of the push button movable section.
The annular plate 11 is arranged below the elastic traction ring 1, and the micro-roll structure 12 can be arranged on the annular plate, so that the upper tissue is effectively rolled into the elastic traction ring 1, and the interference to the tissue is effectively prevented. The pusher is a variable-shape pusher, and the pusher channel 24 is a curved channel, the pusher being adapted to change shape as it advances.
The placement structure 2 is perpendicular to the pusher bar arrangement 26 immediately adjacent to the placement structure 2; the elastic traction ring 1 can be conveniently arranged according to the structure that the depth of the incision is perpendicular to the plane of the incision. The elastic traction rings 1 with different inner circumferences are arranged in size, and the sizes of the elastic traction rings can be selected according to the sizes of surgical incisions.
Example 4A tissue retractor for use in oral surgery
The tissue retractor used in the oral surgery comprises a deformable and compact elastic retractor ring 1 and an imbedding structure 2, and is characterized in that the front end of the imbedding structure 2 is provided with an imbedding part 21, and the elastic retractor ring 1 is compactly arranged in the imbedding part 21; the cross section area of the imbedding part 21 is smaller than the area of the elastic traction ring 1 after being stretched out; a forward pushing piston 22 is arranged behind the imbedding part 21, and the cross-street area of the forward pushing piston 22 is equal to the area of the inner cavity of the imbedding part 21; a front push rod 23 is arranged behind the front push piston 22, the rear end of the imbedding structure is provided with a push rod arranging part 26, and a push rod channel 24 with the same size as the front push rod 23 is arranged in the push rod arranging part 26; the rear end of the front push bar is connected with a front push button 25 pushing the front push bar 23, and the bending direction of the push bar setting part 26 accords with the physiological bending of the oral cavity operation part. When the structure is used, firstly, the elastic traction ring 1 is arranged on the imbedding part 21, then the retracting device is arranged according to physiological bending of the oral cavity, the imbedding part 21 enters the operation part, and then the front push button 25 pushes the front push bar 23 to drive the front push piston 22 to move forwards relatively, so that the elastic traction ring 1 leaves the imbedding part 21 to enter the operation incision or the gingival tissue to be separated; after the implantation and release, the elastic traction ring 1 is automatically opened, and the annular wall is supported at the incision or the gum part, so that the operation vision is clear. The whole operation is simple and convenient. The rear ends of the imbedding part 21 and the pushing strip setting part 26 are both in cylindrical ring structures, and the setting is convenient for pushing out the elastic traction ring 1 and the force application of the rear end. The channel of the push-forward bar 23 is arranged in the center of each part. The elastic traction ring 1 is made of an elastically contractible material.
A thin buffer layer is arranged outside the elastic traction ring 1, and the buffer layer is a gel buffer layer or a gel buffer layer with medicine.
The rear end of the push bar setting part 26 is provided with a push button movable section, the push button movable section is provided with a hole groove 29 for the front push button 25 to move, and the caliber of the hole groove 29 of the push button movable section is the same as that of the front push button 25; a front push cap 251 is provided behind the front push button 25. The above arrangement can realize control of the push-forward bar 23. The front end of the front push button 25 is arranged in the hole groove 29 when not in use; the front push button 25 has a cylindrical structure with a diameter larger than that of the front push bar 23. A spring structure is arranged in front of the front push button 25, the front push bar 23 penetrates through the spring structure, and the spring structure is arranged in a hole groove 29 at the rear end of the push bar arrangement part 26; the arrangement of the spring structure can ensure the position of the elastic insert ring to be restored after being pushed out. This arrangement facilitates multiple uses of the insertion structure 2. The length of the insertion portion 21 is equal to the length of the push button movable section.
The annular plate 11 is arranged below the elastic traction ring 1, and the micro-roll structure 12 can be arranged on the annular plate, so that the upper tissue is effectively rolled into the elastic traction ring 1, and the interference to the tissue is effectively prevented. The pusher is a variable-shape pusher, and the pusher channel 24 is a curved channel, the pusher being adapted to change shape as it advances.
The placement structure 2 is perpendicular to the pusher bar arrangement 26 immediately adjacent to the placement structure 2; the elastic traction ring 1 can be conveniently arranged according to the structure that the depth of the incision is perpendicular to the plane of the incision.
The rear end of the pusher bar arrangement 26 also includes a rear vertical section 31 perpendicular to the portion immediately adjacent the rear end. The rear vertical section 31 is separated from the adjacent part thereof, and the separation can realize the rear vertical section 31
Rotation about its immediate vicinity. The front end of the rear vertical section 31 comprises a short horizontal section 32, and the short horizontal section 32 is inserted into or sleeved on the imbedding structure 2 at the front end of the rear vertical section, so that the vertical section can be rotated, and a good force and observation angle can be achieved during specific operation. Corresponding protruding tooth structures 33 are arranged at the contact positions of the short horizontal sections 32 and the embedded structure 2, and the protruding tooth structures 33 can realize the adjustment of the angle of force application and the fixation of the relative positions when no force is applied.
The middle part of the imbedding structure 2 is made of a material with adjustable force, so that the problem of angle adjustment according to the condition of a patient can be solved, and the angle can be adjusted according to specific requirements during operation. The elastic traction rings 1 with different inner circumferences are arranged in size, and the sizes of the elastic traction rings can be selected according to the sizes of surgical incisions.
Example 5A tissue retractor for use in oral surgery
The tissue retractor used in the oral surgery comprises a deformable and compact elastic retractor ring 1 and an imbedding structure 2, and is characterized in that the front end of the imbedding structure 2 is provided with an imbedding part 21, and the elastic retractor ring 1 is compactly arranged in the imbedding part 21; the cross section area of the imbedding part 21 is smaller than the area of the elastic traction ring 1 after being stretched out; a forward pushing piston 22 is arranged behind the imbedding part 21, and the cross-street area of the forward pushing piston 22 is equal to the area of the inner cavity of the imbedding part 21; a front push rod 23 is arranged behind the front push piston 22, the rear end of the imbedding structure is provided with a push rod arranging part 26, and a push rod channel 24 with the same size as the front push rod 23 is arranged in the push rod arranging part 26; the rear end of the front push bar is connected with a front push button 25 pushing the front push bar 23, and the bending direction of the push bar setting part 26 accords with the physiological bending of the oral cavity operation part. When the structure is used, firstly, the elastic traction ring 1 is arranged on the imbedding part 21, then the retracting device is arranged according to physiological bending of the oral cavity, the imbedding part 21 enters the operation part, and then the front push button 25 pushes the front push bar 23 to drive the front push piston 22 to move forwards relatively, so that the elastic traction ring 1 leaves the imbedding part 21 to enter the operation incision or the gingival tissue to be separated; after the implantation and release, the elastic traction ring 1 is automatically opened, and the annular wall is supported at the incision or the gum part, so that the operation vision is clear. The whole operation is simple and convenient. The rear ends of the imbedding part 21 and the pushing strip setting part 26 are both in cylindrical ring structures, and the setting is convenient for pushing out the elastic traction ring 1 and the force application of the rear end. The channel of the push-forward bar 23 is arranged in the center of each part. The elastic traction ring 1 is made of an elastically contractible material.
A thin buffer layer is arranged outside the elastic traction ring 1, and the buffer layer is a gel buffer layer or a gel buffer layer with medicine.
The rear end of the push bar setting part 26 is provided with a push button movable section, the push button movable section is provided with a hole groove 29 for the front push button 25 to move, and the caliber of the hole groove 29 of the push button movable section is the same as that of the front push button 25; a front push cap 251 is provided behind the front push button 25. The above arrangement can realize control of the push-forward bar 23. The front end of the front push button 25 is arranged in the hole groove 29 when not in use; the front push button 25 has a cylindrical structure with a diameter larger than that of the front push bar 23. A spring structure is arranged in front of the front push button 25, the front push bar 23 penetrates through the spring structure, and the spring structure is arranged in a hole groove 29 at the rear end of the push bar arrangement part 26; the arrangement of the spring structure can ensure the position of the elastic insert ring to be restored after being pushed out. This arrangement facilitates multiple uses of the insertion structure 2. The length of the insertion portion 21 is equal to the length of the push button movable section.
The annular plate 11 is arranged below the elastic traction ring 1, and the micro-roll structure 12 can be arranged on the annular plate, so that the upper tissue is effectively rolled into the elastic traction ring 1, and the interference to the tissue is effectively prevented. The pusher is a variable-shape pusher, and the pusher channel 24 is a curved channel, the pusher being adapted to change shape as it advances.
The placement structure 2 is perpendicular to the pusher bar arrangement 26 immediately adjacent to the placement structure 2; the elastic traction ring 1 can be conveniently arranged according to the structure that the depth of the incision is perpendicular to the plane of the incision.
The rear end of the pusher bar arrangement 26 also includes a rear vertical section 31 perpendicular to the portion immediately adjacent the rear end. The rear vertical section 31 is separated from the adjacent part thereof, and the separation can realize the rear vertical section 31
Rotation about its immediate vicinity. The front end of the rear vertical section 31 comprises a short horizontal section 32, and the short horizontal section 32 is inserted into or sleeved on the imbedding structure 2 at the front end of the rear vertical section, so that the vertical section can be rotated, and a good force and observation angle can be achieved during specific operation. Corresponding protruding tooth structures 33 are arranged at the contact positions of the short horizontal sections 32 and the embedded structure 2, and the protruding tooth structures 33 can realize the adjustment of the angle of force application and the fixation of the relative positions when no force is applied. Or a corresponding forcefully turned screw structure 34 is arranged at the contact position of the short horizontal section 32 and the imbedding structure 2
A section of forward pushing channel larger than the pushing strip channel 24 is arranged in the imbedding structure 2 in front of the short horizontal section 32
35, the front push bar 23 is arranged in the front push channel 35 in a separated way, and a front push 36 with the same caliber as the front push channel 35 is arranged on the front push bar 23 at the rear end; the torsion force brought to the push-forward bar 23 during rotation at the separation position can be effectively eliminated by the arrangement, and the push-forward 36 can prevent the separation of the two parts during use.
The middle part of the imbedding structure 2 is made of a material with adjustable force, so that the problem of angle adjustment according to the condition of a patient can be solved, and the angle can be adjusted according to specific requirements during operation.
A miniature illuminating lamp and a miniature photographing structure are arranged on the side wall of the imbedding part 21, and the photographing structure is connected with a wireless outgoing module at the rear end; the wireless outgoing module is connected with the wireless terminal, and the arrangement of the illuminating lamp and the miniature photographing structure does not influence the release of the elastic traction ring 1; the lighting lamp and the miniature photographing structure are connected with a power supply structure at the rear end through a thin wire in the micro wire hole. The arrangement can be used for knowing the front situation when being placed, so that doctors can know the front situation more. The elastic traction rings 1 with different inner circumferences are arranged in size, and the sizes of the elastic traction rings can be selected according to the sizes of surgical incisions.
Example 6 tissue retractor for oral surgery
The tissue retractor used in the oral surgery comprises a deformable and compact elastic retractor ring 1 and an imbedding structure 2, and is characterized in that the front end of the imbedding structure 2 is provided with an imbedding part 21, and the elastic retractor ring 1 is compactly arranged in the imbedding part 21; the cross section area of the imbedding part 21 is smaller than the area of the elastic traction ring 1 after being stretched out; a forward pushing piston 22 is arranged behind the imbedding part 21, and the cross-street area of the forward pushing piston 22 is equal to the area of the inner cavity of the imbedding part 21; a front push rod 23 is arranged behind the front push piston 22, the rear end of the imbedding structure is provided with a push rod arranging part 26, and a push rod channel 24 with the same size as the front push rod 23 is arranged in the push rod arranging part 26; the rear end of the front push bar is connected with a front push button 25 pushing the front push bar 23, and the bending direction of the push bar setting part 26 accords with the physiological bending of the oral cavity operation part. When the structure is used, firstly, the elastic traction ring 1 is arranged on the imbedding part 21, then the retracting device is arranged according to physiological bending of the oral cavity, the imbedding part 21 enters the operation part, and then the front push button 25 pushes the front push bar 23 to drive the front push piston 22 to move forwards relatively, so that the elastic traction ring 1 leaves the imbedding part 21 to enter the operation incision or the gingival tissue to be separated; after the implantation and release, the elastic traction ring 1 is automatically opened, and the annular wall is supported at the incision or the gum part, so that the operation vision is clear. The whole operation is simple and convenient. The rear ends of the imbedding part 21 and the pushing strip setting part 26 are both in cylindrical ring structures, and the setting is convenient for pushing out the elastic traction ring 1 and the force application of the rear end. The channel of the push-forward bar 23 is arranged in the center of each part. The elastic traction ring 1 is made of an elastically contractible material.
A thin buffer layer is arranged outside the elastic traction ring 1, and the buffer layer is a gel buffer layer or a gel buffer layer with medicine.
The rear end of the push bar setting part 26 is provided with a push button movable section, the push button movable section is provided with a hole groove 29 for the front push button 25 to move, and the caliber of the hole groove 29 of the push button movable section is the same as that of the front push button 25; a front push cap 251 is provided behind the front push button 25. The above arrangement can realize control of the push-forward bar 23. The front end of the front push button 25 is arranged in the hole groove 29 when not in use; the front push button 25 has a cylindrical structure with a diameter larger than that of the front push bar 23. A spring structure is arranged in front of the front push button 25, the front push bar 23 penetrates through the spring structure, and the spring structure is arranged in a hole groove 29 at the rear end of the push bar arrangement part 26; the arrangement of the spring structure can ensure the position of the elastic insert ring to be restored after being pushed out. This arrangement facilitates multiple uses of the insertion structure 2. The length of the insertion portion 21 is equal to the length of the push button movable section.
The annular plate 11 is arranged below the elastic traction ring 1, and the micro-roll structure 12 can be arranged on the annular plate, so that the upper tissue is effectively rolled into the elastic traction ring 1, and the interference to the tissue is effectively prevented. The pusher is a variable-shape pusher, and the pusher channel 24 is a curved channel, the pusher being adapted to change shape as it advances.
The placement structure 2 is perpendicular to the pusher bar arrangement 26 immediately adjacent to the placement structure 2; the elastic traction ring 1 can be conveniently arranged according to the structure that the depth of the incision is perpendicular to the plane of the incision.
The rear end of the pusher bar arrangement 26 also includes a rear vertical section 31 perpendicular to the portion immediately adjacent the rear end. The rear vertical section 31 is provided separately from the immediately adjacent portion thereof, and the provision of the separate portion enables rotation of the rear vertical section 31 about the immediately adjacent portion thereof. The front end of the rear vertical section 31 comprises a short horizontal section 32, and the short horizontal section 32 is inserted into or sleeved on the imbedding structure 2 at the front end of the rear vertical section, so that the vertical section can be rotated, and a good force and observation angle can be achieved during specific operation. Corresponding protruding tooth structures 33 are arranged at the contact positions of the short horizontal sections 32 and the embedded structure 2, and the protruding tooth structures 33 can realize the adjustment of the angle of force application and the fixation of the relative positions when no force is applied. Or a corresponding forcefully turned screw structure 34 is arranged at the contact position of the short horizontal section 32 and the imbedding structure 2
A section of forward pushing channel 35 which is larger than the pushing channel 24 is arranged in the imbedding structure 2 in front of the short horizontal section 32, the forward pushing strip 23 is arranged in the forward pushing channel 35 in a separated mode, and a forward pushing 36 with the caliber identical to that of the forward pushing channel 35 is arranged on the forward pushing strip 23 at the rear end; the torsion force brought to the push-forward bar 23 during rotation at the separation position can be effectively eliminated by the arrangement, and the push-forward 36 can prevent the separation of the two parts during use.
A locking protrusion is arranged at the tail end of the short horizontal section 32 and the front end push bar setting part 26 to prevent the short horizontal section 32 from being separated from the front end push bar setting part 26;
the middle part of the imbedding structure 2 is made of a material with adjustable force, so that the problem of angle adjustment according to the condition of a patient can be solved, and the angle can be adjusted according to specific requirements during operation.
A miniature illuminating lamp and a miniature photographing structure are arranged on the side wall of the imbedding part 21, and the photographing structure is connected with a wireless outgoing module at the rear end; the wireless outgoing module is connected with the wireless terminal, and the arrangement of the illuminating lamp and the miniature photographing structure does not influence the release of the elastic traction ring 1; the lighting lamp and the miniature photographing structure are connected with a power supply structure at the rear end through a thin wire in the micro wire hole. The arrangement can be used for knowing the front situation when being placed, so that doctors can know the front situation more. The elastic traction rings 1 with different inner circumferences are arranged in size, and the sizes of the elastic traction rings can be selected according to the sizes of surgical incisions.
The above description of embodiments is only for the understanding of the present invention. It should be noted that it will be apparent to those skilled in the art that modifications can be made to the present invention without departing from the principles of the invention, and such modifications will fall within the scope of the claims.
Claims (12)
1. A tissue retractor used in oral surgery, a deformable and compact elastic retractor ring (1) and an imbedding structure (2), characterized in that the front end of the imbedding structure (2) is an imbedding part (21), and the elastic retractor ring (1) is compactly arranged in the imbedding part (21); the cross section area of the imbedding part (21) is smaller than the area of the elastic traction ring (1) after being stretched out; a forward pushing structure is arranged behind the imbedding part (21), and the cross section area of the forward pushing structure is not smaller than the middle gap area of the tightening elastic traction ring (1); a front push bar (23) is arranged behind the front push structure, the rear end of the insertion structure is provided with a push bar arranging part (26), and a push bar channel (24) with the same size as the front push bar (23) is arranged in the push bar arranging part (26); the rear end of the front push bar is connected with a front push button (25) pushing the front push bar (23); the forward pushing structure is a forward pushing piston (22); the bending direction of the pushing strip setting part accords with the physiological bending of the oral cavity operation part; the cross section area of the forward pushing piston is equal to the area of the inner cavity of the imbedding part (21);
when in use, the imbedding part (21) enters the operation part, and then the front pushing bar (23) is pushed by the front pushing button (25) to drive the front pushing piston (22) to move forwards relatively, so that the elastic traction ring (1) leaves the imbedding part (21) to enter the operation incision or gingival tissue to be separated; after the implantation and release, the elastic traction ring (1) is automatically opened, and the annular wall is supported at the incision or the gum part, so that the operation vision is clear.
2. The tissue retraction device for oral surgery according to claim 1, wherein a thin buffer layer is arranged outside the elastic retraction ring (1), the buffer layer being a gel buffer layer or a medicated gel buffer layer.
3. The tissue retractor for oral surgery according to claim 1, wherein a push button movable groove (271) is further provided at the rear end of the push bar setting part (26); the front push button (25) extends to the outer side of the imbedding structure (2) through the connecting section (272); or the rear end of the push bar setting part (26) is provided with an extending section (28) of the front push bar (23), and the rear end of the extending section (28) is provided with a front push button (25); the extension section (28) extends from the rear end of the push bar arrangement portion (26).
4. The tissue retractor device for oral surgery according to claim 1, wherein a push button movable section is provided at the rear end of the push bar setting part (26), the push button movable section is provided with a hole groove (29) for the front push button (25) to move, and the caliber of the hole groove (29) of the push button movable section is the same as that of the front push button (25); the front end of the front push button (25) is arranged in the hole groove (29) when not in use; the front push button (25) is of a cylindrical structure with a diameter larger than that of the front push bar (23).
5. A tissue retraction device for use in oral surgery according to claim 4, wherein the length of the insertion portion (21) is not greater than the length of the push button active section.
6. A tissue retraction device for oral surgery according to claim 1, characterized in that an annular plate (11) is arranged under the elastic retraction ring (1), on which a micro-coil structure (12) can be arranged.
7. A tissue retraction device for use in oral surgery according to claim 1, wherein the forward pushing bar (23) is a shape-variable pushing bar, the pushing bar channel (24) of which is a curved channel, the forward pushing bar (23) being adapted to change with the channel shape when advanced.
8. Tissue retraction device for oral surgery according to claim 1, characterized in that the insertion structure (2) is connected at an angle to a pusher bar arrangement (26) adjacent to the insertion structure (2).
9. A tissue retraction device for use in oral surgery according to claim 8, wherein the insertion structure (2) is connected perpendicular to and in close proximity to the pusher bar arrangement (26) portion of the insertion structure (2).
10. The tissue retraction device for use in oral surgery according to any one of claims 1 to 8, wherein the rear end of the pusher bar arrangement (26) also includes a rear angled section angled from a portion immediately adjacent the rear end.
11. The tissue retraction device for use in oral surgery according to claim 10 wherein the rear end of the pusher bar arrangement (26) includes a rear vertical section (31) perpendicular to the portion immediately adjacent the rear end.
12. A tissue retraction device for use in oral surgery according to claim 11 wherein the rear vertical section (31) is spaced from the immediately adjacent portion thereof, the spacing being such that rotation of the rear vertical section (31) about the immediately adjacent portion thereof is effected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810316167.7A CN108742922B (en) | 2018-04-10 | 2018-04-10 | Tissue retractor used in oral surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810316167.7A CN108742922B (en) | 2018-04-10 | 2018-04-10 | Tissue retractor used in oral surgery |
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| Publication Number | Publication Date |
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| CN108742922A CN108742922A (en) | 2018-11-06 |
| CN108742922B true CN108742922B (en) | 2023-04-28 |
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| CN201810316167.7A Active CN108742922B (en) | 2018-04-10 | 2018-04-10 | Tissue retractor used in oral surgery |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112754409B (en) * | 2021-01-13 | 2022-08-30 | 中南大学湘雅二医院 | Tissue retractor used in oral surgery |
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| CN108742922A (en) | 2018-11-06 |
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