CN111249022A - Soft tissue lifting device in maxillary sinus external lifting operation - Google Patents
Soft tissue lifting device in maxillary sinus external lifting operation Download PDFInfo
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- CN111249022A CN111249022A CN202010186480.0A CN202010186480A CN111249022A CN 111249022 A CN111249022 A CN 111249022A CN 202010186480 A CN202010186480 A CN 202010186480A CN 111249022 A CN111249022 A CN 111249022A
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- hand lever
- maxillary sinus
- lifter
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
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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
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- Veterinary Medicine (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention discloses a soft tissue lifter in maxillary sinus external lifting operation, which comprises a hand lever, a handle arranged at one end of the hand lever, a supporting part connected to the other end of the hand lever and a drawing part connected to the hand lever, wherein the handle is connected with the upper end of the hand lever; the bearing part and the drawing part are both positioned on one side of the hand lever and are positioned on the same side. The lifter is made of a mixed material of polyether-ether-ketone and carbon fiber. The maxillary sinus collet spoon and the gum traction component are integrated on one appliance, so that the mandibular sinus collet spoon can effectively support the mandibular sinus mucosa while the gum is dragged to expose the operation area in the operation, bone powder is smoothly filled, one-hand operation is realized, labor input can be reduced, and labor is saved; the lifter is made of carbon fiber reinforced polyether-ether-ketone materials, the excellent performance of polyether-ether-ketone and the good characteristics of carbon fibers are combined, the nano hardness and the elastic modulus of the lifter are further enhanced, the friction coefficient and the wear rate of the lifter are reduced, the lifter is suitable for surgical requirements, the service life of the lifter is prolonged, and the lifter has wide popularization and application significance.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a soft tissue lifter in a maxillary sinus external lifting operation.
Background
In the current dental disease related operation, the maxillary posterior tooth implantation treatment accounts for about 1/3 of the implantation cases, the implant needs to be fixed into the alveolar ridge for a certain depth in the implantation operation, but more than one fourth of the existing implantation cases have insufficient alveolar ridge height caused by symptoms such as maxillary sinus gasification or alveolar ridge crest absorption, and the like, and the implant cannot be fixed under sufficient conditions.
In response to the above disadvantages, a vertical bone augmentation procedure is required prior to implantation. The maxillary sinus floor elevation can increase the height of the residual bone, which is beneficial to planting. In the maxillary sinus floor lifting operation, firstly, the gum needs to be peeled off to expose the maxillary bone, the maxillary sinus floor mucosa is peeled off and the mandibular sinus floor mucosa is supported by windowing the maxillary sinus side wall corresponding to the maxillary sinus, and then a bone substitute product is implanted into the windowed part to improve the distance between the gum and the jaw so as to meet the planting requirement.
In the operation, the mucosa of the maxillary sinus fluctuates up and down along with the breathing, which is not beneficial to filling bone meal, so a special tool is needed to support the maxillary sinus mucosa, and in order to fully expose the fenestrated part to ensure that the operation visual field is clear, a stripped gingival flap needs to be pulled, and the oozing blood at the operation position needs to be continuously washed, so a plurality of operation assistants are needed to assist the operation, and the labor input is greatly increased; moreover, the high-strength special tool has higher weight, the operation fatigue of an assistant is greatly increased after long-time operation, and the smooth reflection of the surface of the tool under an operating lamp can also increase the discomfort of eyes of an operator, which is not favorable for smooth operation.
Therefore, the problem to be solved by those skilled in the art is how to provide a light-weight and high-strength surgical tool capable of simultaneously retracting the gingival flap and supporting the mucosa of the mandibular sinus.
Disclosure of Invention
In view of the above, the invention provides a soft tissue lifter in maxillary sinus external lifting operation, which can not only lift up the sinus floor mucosa of the maxillary sinus and be beneficial to filling bone powder, but also lift up the gingival flap, and the two are combined into a whole, so that an assistant can conveniently cooperate, and after the floor is held in place, the handle draw hook can be held by one hand; and the instrument has the advantages of light weight, frosted surface and no reflection after being improved by components, and is convenient for operation.
In order to achieve the purpose, the invention adopts the following technical scheme:
a soft tissue lifter in maxillary sinus external lifting comprises a hand lever, a handle arranged at one end of the hand lever, a supporting part connected to the other end of the hand lever and a drawing part connected to the hand lever; the bearing part and the drawing part are both positioned on one side of the hand lever, and the bearing part and the drawing part are positioned on the same side of the hand lever.
Preferably, the supporting part comprises a spoon support and a first connecting rod, one end of the first connecting rod is connected to the hand-pulling rod, and the other end of the first connecting rod fixes the spoon support so that the spoon support is positioned on one side of the hand-pulling rod; the drawing part comprises a second connecting rod and a drawing hook, one end of the second connecting rod is connected to the hand lever, the other end of the second connecting rod is fixed on the drawing hook, so that the drawing hook is located on one side of the hand lever, and the supporting surface of the supporting spoon and the bending direction of the drawing hook are on the same side.
Further, first connecting rod includes the horizontal pole and the montant of body coupling, the terminal of horizontal pole is fixed hold in the palm the spoon, the terminal of montant is provided with external screw thread section one, the hand lever is connected the one end of holding portion is provided with external screw thread section two, external screw thread section one with external screw thread section two is passed through the swivel nut and is connected.
The beneficial effects of the above preferred and further technical solutions are: the supporting spoon can be fixed and can not move in the direction of acting force through the threaded sleeve connection, but the distance between the supporting spoon and the traction hook can be adjusted by adjusting the threaded sleeve, so that different traction and supporting requirements are met.
Preferably, the second connecting rod comprises a connecting rod and a connecting piece, the connecting piece comprises a first semicircular component and a second semicircular component which have the same specification and are oppositely arranged, and the connecting rod is fixed on the first semicircular component; one end of the first semicircular member is hinged with the second semicircular member, and the other end of the first semicircular member is provided with a first wing rafter; one end of the first semicircular component is provided with a first wing rafter, the first wing rafter corresponds to the first wing rafter and is provided with a threaded hole, a screw with a matched specification is connected in the threaded hole, and the radius of the first semicircular component is smaller than that of the traction rod.
The beneficial effects of the preferred technical scheme are as follows: the traction hook is movably connected to the traction rod, so that the distance between the supporting spoon and the traction hook can be conveniently adjusted, the supporting spoon can be independently used after the traction device is disassembled, and the application range is widened.
Preferably, the bearing part and the hand lever are integrally arranged.
Preferably, the pulling part is integrally provided with the pull rod.
Preferably, the outer surface of the handle is provided with a protective line.
The beneficial effects of the preferred technical scheme are as follows: effectively provides the friction force between the hand and the traction device in the traction process and avoids the hand from slipping.
Preferably, the whole surface of the lifter is a frosted surface.
The beneficial effects of the preferred technical scheme are as follows: visual errors and visual fatigue caused by the fact that the lifter reflects light under the operating lamp are avoided.
The invention further provides the raw material composition of the soft tissue lifter in the maxillary sinus external lifting operation, namely the soft tissue lifter is made of a mixed material of polyether-ether-ketone and carbon fiber.
Preferably, the weight ratio of the polyetheretherketone to the carbon fibres is 3: 2.
The beneficial effects of the preferred technical scheme are as follows: the polyether-ether-ketone can bear thousands of times of circulating sterilization in a high-temperature and high-pressure environment, has creep resistance, hydrolysis resistance, corrosion resistance, good wear resistance and mechanical property in normal saline, and keeps stable swelling property; the carbon fiber has the characteristics of high specific strength, high specific modulus, fatigue resistance, creep resistance, good biocompatibility, self-lubricity, wear resistance, strong designability, good damage safety and the like, and the addition of the carbon fiber can enhance the nano hardness and the elastic modulus of the polyether-ether-ketone, reduce the friction coefficient and the wear rate of the polyether-ether-ketone and adapt to the surgical requirements.
According to the technical scheme, compared with the prior art, the soft tissue lifter in the maxillary sinus external lifting operation disclosed by the invention has the following advantages:
firstly, structurally, the maxillary sinus collet spoon and the gum traction component are integrated on one appliance, so that the mandibular sinus collet spoon can effectively support the mandibular sinus collet while simultaneously drawing the gum to expose the operation part in the operation, bone powder is smoothly filled, one-hand operation is realized, manpower input can be reduced, and labor is saved; the lifter is prepared from a carbon fiber reinforced polyether-ether-ketone material, combines the creep resistance, hydrolysis resistance, corrosion resistance, good wear resistance and mechanical property of polyether-ether-ketone, stable swelling property and the characteristics of high specific strength, high specific modulus, fatigue resistance, creep resistance, good biocompatibility, self-lubricity, wear resistance, strong designability, good damage safety and the like of carbon fibers, further enhances the nano hardness and elastic modulus of the lifter, reduces the friction coefficient and wear rate of the lifter, meets the surgical requirements, prolongs the service life of the lifter, and has wide popularization and application significance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of a soft tissue lifter in maxillary sinus extraction according to embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a soft tissue lifter in maxillary sinus extraction in embodiment 2 of the invention;
FIG. 3 is a schematic view showing a connecting member of a soft tissue elevator in maxillary sinus extraction according to embodiment 2 of the present invention;
FIG. 4 is a graph showing tensile property test strength strain of example 3 of the present invention;
FIG. 5 is a graph showing the compressive performance stress strain of example 3 of the present invention;
FIG. 6 is a graph showing bending stress-strain curves in example 3 of the present invention;
FIG. 7 is a graph showing impact strength versus time in example 3 of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in the attached figure 1, the soft tissue lifter in the maxillary sinus external lifting operation comprises a hand lever 1, a handle 2 arranged at one end of the hand lever 1, a supporting part 3 connected to the other end of the hand lever 1, and a pulling part 4 connected to the hand lever 1; the bearing part 3 and the drawing part 4 are both located on one side of the hand lever 1, and the bearing part 3 and the drawing part 4 are located on the same side of the hand lever 1.
The supporting part 3 comprises a supporting spoon 31 and a first connecting rod 32, one end of the first connecting rod 31 is connected to the hand-pulling rod 1, and the other end of the first connecting rod 31 fixes the supporting spoon 31 so that the supporting spoon 31 is positioned on one side of the hand-pulling rod 1; the pulling part 4 comprises a pulling hook 41 and a second connecting rod 42, one end of the second connecting rod 42 is connected to the hand lever 1, the other end of the second connecting rod 42 fixes the pulling hook 41 so that the pulling hook 41 is located on one side of the hand lever 1, and the supporting surface of the supporting spoon 31 and the bending direction of the pulling hook 41 are on the same side.
The supporting part 3 and the traction part 4 are all integrally arranged with the hand lever 1, the outer surface of the handle 2 is provided with protective grains, and the whole surface of the lifter is a frosted surface.
The action principle of the technical scheme is as follows: when the operation is carried out, the gingival flap at the corresponding position is firstly cut, then the window is opened on the side surface of the alveolar ridge, after the window opening is finished, the supporting spoon 31 of the supporting part 3 of the lifter is adopted to support the maxillary sinus floor in the alveolar ridge, and meanwhile, the pulling hook 41 of the pulling part 4 pulls the peeled gingival flap to a certain position to fully expose the window opening, so that the bone powder can be smoothly filled in the window opening.
Example 2
As shown in the attached figure 2, the soft tissue lifter in the maxillary sinus external lifting operation comprises a hand lever 1, a handle 2 arranged at one end of the hand lever 1, a supporting part 3 connected to the other end of the hand lever 1, and a pulling part 4 connected to the hand lever 1; the supporting part 3 and the drawing part 4 are both positioned on one side of the hand lever 1, and the supporting part 3 and the drawing part 4 are positioned on the same side of the hand lever 1;
the supporting part 3 comprises a supporting spoon 31 and a first connecting rod 32, one end of the first connecting rod 31 is connected to the hand-pulling rod 1, and the other end of the first connecting rod 31 fixes the supporting spoon 31 so that the supporting spoon 31 is positioned on one side of the hand-pulling rod 1; the pulling part 4 comprises a pulling hook 41 and a second connecting rod 42, one end of the second connecting rod 42 is connected to the hand lever 1, the other end of the second connecting rod 42 fixes the pulling hook 41 so that the pulling hook 41 is positioned at one side of the hand lever 1, and the bearing surface of the supporting spoon 31 and the bending direction of the pulling hook 41 are at the same side;
the first connecting rod 32 comprises a cross rod 321 and a vertical rod 322 which are integrally connected, the end of the cross rod 321 is fixed with the supporting spoon 31, the end of the vertical rod 322 is provided with a first external thread section 323, one end of the hand lever 1 connected with the supporting part 3 is provided with a second external thread section 11, and the first external thread section 323 is connected with the second external thread section 11 through a threaded sleeve 5;
as shown in fig. 3, the second connecting rod 42 includes a connecting rod 421 and a connecting member 422, the connecting member 422 includes a first semicircular member 423 and a second semicircular member 424 which have the same specification and are oppositely disposed, and the connecting rod 421 is fixed on the first semicircular member 423; one end of the first semicircular member 423 is hinged with the second semicircular member 424, and the other end of the first semicircular member is provided with a first wing rafter 425; one end of the second semicircular member 424 is provided with a second wing rafter 426, the first wing rafter 425 and the second wing rafter 426 are provided with threaded holes corresponding to each other, the threaded holes are internally connected with screws 427 with adaptive specifications, and the radius of the first semicircular member 423 is smaller than that of the traction rod.
The outer surface of the handle 2 is provided with protective grains, and the whole surface of the lifter is a frosted surface.
The principle of the technical scheme is as follows: when an operation is carried out, the gingival flap at the corresponding position is firstly cut, then a window is opened on the side surface of the alveolar ridge, after the window opening is finished, a proper traction hook 41 and a proper support spoon 31 are selected according to the distance between the windowing part and the gingival flap of a patient, the stripping area of the gingival flap and the size of the window opening, the traction part 4 and the support part 3 are adjusted through the connecting piece 422 and the threaded sleeve 5 to adapt to the lifting requirement of the maxillary sinus floor at the windowing part and the gingival flap of the patient, then the maxillary sinus floor in the alveolar ridge is supported by the support spoon 31 of the support part 3 of the lifter, and meanwhile, the traction hook 41 of the traction part 4 pulls the stripped gingival flap to a certain position to fully expose the windowing part so as to smoothly fill bone powder by the window opening.
Example 3
Taking the structure of the embodiment 1-2 as a reference, preparing soft tissue lifters in the maxillary sinus external extraction by adopting polyether-ether-ketone and carbon fiber respectively according to the weight ratio of 3:2 and 4:1, and marking as a model I and a model II; preparing a soft tissue lifter in the maxillary sinus external lifting operation by using a pure polyether-ether-ketone material, and marking as a third model; the three properties were tested separately, as shown in the following table and figures 4-7:
note: and comparing every two groups, wherein P is less than 0.05, obtaining a statistical result, wherein the statistical P value among the model I, the model II and the model III is less than 0.05, and the test data among the three groups have statistical difference.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A soft tissue lifter in maxillary sinus external lifting is characterized by comprising a hand lever, a handle arranged at one end of the hand lever, a bearing part connected to the other end of the hand lever and a drawing part connected to the hand lever; the bearing part and the drawing part are both positioned on one side of the hand lever, and the bearing part and the drawing part are positioned on the same side of the hand lever.
2. The soft tissue lifter for maxillary sinus extraction of claim 1, wherein the supporting part comprises a spoon and a first connecting rod, one end of the first connecting rod is connected to the hand pull rod, and the other end of the first connecting rod fixes the spoon so that the spoon is positioned at one side of the hand pull rod; the drawing part comprises a second connecting rod and a drawing hook, one end of the second connecting rod is connected to the hand lever, the other end of the second connecting rod is fixed on the drawing hook, so that the drawing hook is located on one side of the hand lever, and the supporting surface of the supporting spoon and the bending direction of the drawing hook are on the same side.
3. The soft tissue lifting device for maxillary sinus lifting surgery according to claim 2, wherein the first connecting rod comprises a cross rod and a vertical rod which are integrally connected, the supporting spoon is fixed at the terminal of the cross rod, the terminal of the vertical rod is provided with a first external thread section, the hand lever is connected with one end of the supporting part and is provided with a second external thread section, and the first external thread section and the second external thread section are connected through a threaded sleeve.
4. The soft tissue elevator in maxillary sinus extraction of claim 2, wherein the second connecting rod comprises a connecting rod and a connecting piece, the connecting piece comprises a first semicircular member and a second semicircular member which have the same specification and are oppositely arranged, and the connecting rod is fixed on the first semicircular member; one end of the first semicircular member is hinged with the second semicircular member, and the other end of the first semicircular member is provided with a first wing rafter; one end of the first semicircular component is provided with a first wing rafter, the first wing rafter corresponds to the first wing rafter and is provided with a threaded hole, a screw with a matched specification is connected in the threaded hole, and the radius of the first semicircular component is smaller than that of the traction rod.
5. The soft tissue elevator for maxillary sinus extraction of claim 1, wherein the support part is integrally provided with the pull rod.
6. The soft tissue elevator in maxillary sinus extraction of claim 1, wherein the pulling part is integrally provided with the pull rod.
7. The soft tissue elevator in maxillary sinus extraction of claim 1, wherein the outer surface of the handle is provided with protective lines.
8. The soft tissue elevator in maxillary sinus extraction of claim 1 wherein the whole surface of the elevator is frosted.
9. An intra-maxillary sinus extraction soft tissue elevator according to any one of claims 1 to 7 wherein the elevator is made of a mixed material of polyetheretherketone and carbon fibre.
10. The maxillary sinus lift soft tissue elevator of claim 8, wherein the weight ratio of the polyetheretherketone to the carbon fiber is 3: 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010186480.0A CN111249022A (en) | 2020-03-17 | 2020-03-17 | Soft tissue lifting device in maxillary sinus external lifting operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010186480.0A CN111249022A (en) | 2020-03-17 | 2020-03-17 | Soft tissue lifting device in maxillary sinus external lifting operation |
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| Publication Number | Publication Date |
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| CN111249022A true CN111249022A (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010186480.0A Pending CN111249022A (en) | 2020-03-17 | 2020-03-17 | Soft tissue lifting device in maxillary sinus external lifting operation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111904643A (en) * | 2020-09-07 | 2020-11-10 | 首都医科大学附属北京口腔医院 | Gum and mouth corner integrated retractor |
| CN115006023A (en) * | 2022-03-31 | 2022-09-06 | 山西医科大学口腔医院 | Maxillary sinus lifting method based on 3D printing technology |
-
2020
- 2020-03-17 CN CN202010186480.0A patent/CN111249022A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111904643A (en) * | 2020-09-07 | 2020-11-10 | 首都医科大学附属北京口腔医院 | Gum and mouth corner integrated retractor |
| CN111904643B (en) * | 2020-09-07 | 2021-05-28 | 首都医科大学附属北京口腔医院 | Gum and mouth corner integrated retractor |
| CN115006023A (en) * | 2022-03-31 | 2022-09-06 | 山西医科大学口腔医院 | Maxillary sinus lifting method based on 3D printing technology |
| CN115006023B (en) * | 2022-03-31 | 2024-05-10 | 山西医科大学口腔医院 | Maxillary sinus lifting method based on 3D printing technology |
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