Multifunctional drag hook assembly

Abstract

The invention relates to the technical field of oral medical auxiliary instruments, in particular to a multifunctional drag hook assembly which comprises two drag hooks which are the same in structure and are in bilateral symmetry. The drag hook comprises a hook part and a handle part which are integrated, the hook part comprises a mucous membrane flap hook part and a mouth corner hook part which are integrated, and the mouth corner hook part is connected with the handle part; a protruding piece and a supporting and positioning piece connected with the protruding piece are arranged at the end of the side face, away from the oral corner hook part, of the mucous membrane flap hook part. The protruding piece comprises a plurality of continuously-arranged protrusions, the connecting positions of the sides, away from the mucous membrane flap hook part, of the adjacent protrusions are in fillet transition, and the sides, away from the mucous membrane flap hook part, of the protrusions are arranged in a fillet mode. The supporting and positioning piece is a protrusion with a rectangular section, a first scale mark is arranged on the supporting and positioning piece in the length direction of the supporting and positioning piece, and a second scale mark is arranged on the supporting and positioning piece in the height direction of the supporting and positioning piece. According to the multifunctional retractor assembly, the comfort degree of a patient in the operation process is improved, and meanwhile the operation accuracy of medical staff can be improved.

Description

Technical Field

[0001] The invention relates to the technical field of oral medical auxiliary instruments, and in particular to a multifunctional retractor assembly. Background Art

[0002] During oral implant surgery, in order to ensure smooth operation, ensuring that the surgical area has sufficient vision and light is the key factor for the success of the operation. The existing technology clearly exposes the structure of the maxillary sinus side wall by pulling the mucosa, protects the surrounding normal tissues, avoids unnecessary damage to these tissues during the operation, and enables doctors to accurately perform window surgery, thereby improving the success rate of the operation.

[0003] However, the existing retractors are simply provided with a lip retractor portion, a cheek retractor portion and a handle portion. In the process of pulling the mucosa to fix it, there is a problem that the position cannot be accurately adjusted; in addition, during the lateral wall window surgery of the maxillary sinus, the operation area is located near the opening of the salivary gland duct, and excessive saliva will interfere with the surgical field of view.

[0004] Therefore, it is very important to provide a kind of draw hook that can solve the above-mentioned technical problems. Summary of the invention

[0005] In order to solve the above problems, the purpose of the present invention is to provide a multifunctional retractor assembly, which can improve the comfort of patients during surgery and enhance the accuracy of medical staff's operations.

[0006] The purpose of the present invention can be achieved by the following technical solutions: The present invention provides a multifunctional hook assembly, which comprises two hooks with the same structure and bilateral symmetry; The retractor includes an integrated hook portion and a handle portion, the hook portion includes an integrated mucosal flap hook portion and a mouth corner hook portion, and the mouth corner hook portion is connected to the handle portion; The side end of the mucosal flap hook away from the mouth corner hook is provided with a protrusion for stabilizing the pulling position of the mucosal flap without damaging surrounding tissues, and a supporting positioning member connected to the protrusion for positioning; The protrusion comprises a plurality of continuously arranged protrusions, the connection positions of adjacent protrusions away from the side of the mucosal flap hook portion are chamfered, and the side of the protrusion away from the mucosal flap hook portion is rounded; The support positioning member is a protrusion with a rectangular cross section. The support positioning member is provided with a first scale line along its length direction and a second scale line along its height direction.

[0007] In one embodiment of the present invention, a saliva suction tube is provided on the back of the retractor and runs through the length direction thereof, and the saliva suction tube is away from the supporting positioning member; The end of the saliva suction tube close to the hook of the mucosal flap serves as the inlet of the saliva suction tube, and the end away from the hook of the mucosal flap serves as the outlet of the saliva suction tube; When in use, the end of the saliva suction tube away from the mucosal flap hook is connected to the external negative pressure suction component through a connector; The external connecting piece is provided with a switch for connecting or closing the connection passage between the saliva suction tube and the external negative pressure component.

[0008] In one embodiment of the present invention, there are two protrusions, the height of the protrusions is 5.5-6.5 mm, the thickness is 0.8-1.2 mm, and the length is 4-7 mm; preferably, the height of the protrusions is 5.8-6.2 mm, the thickness is 0.9-1.0 mm, and the length is 5-6 mm; In one embodiment of the present invention, the distance between the position where adjacent protrusions are connected and the hook portion of the mucosal flap is 2 to 3 mm.

[0009] In one embodiment of the present invention, the support positioning member has a height of 4 to 4.5 mm, a thickness of 0.8 to 1.2 mm, and a length of 10 to 12 mm; Preferably, the support positioning member has a height of 4.2-4.3 mm, a thickness of 0.9-1.0 mm, and a length of 10.5-11.5 mm.

[0010] In one embodiment of the present invention, the support positioning member is parallel to the central axis of the protrusion along the length direction; and the angle between the support positioning member and the mucosal flap hook is 60-120°.

[0011] In one embodiment of the present invention, the included angle between the mucosal flap hook and the mouth corner hook is 180°; the side of the mucosal flap hook away from the mouth corner hook is rounded.

[0012] In one embodiment of the present invention, the handle portion includes an integrated first grip portion, a second grip portion and a third grip portion, the first grip portion, the second grip portion and the third grip portion are connected in sequence, and a side of the first grip portion away from the second grip portion is connected to the corner hook portion; Among them, the angle between the first gripping portion and the corner hook portion is 130~160° (preferably, the angle between the first gripping portion and the corner hook portion is 135~140°), the second gripping portion and the corner hook portion extend in opposite directions, and the third gripping portion and the first gripping portion extend in opposite directions.

[0013] In one embodiment of the present invention, the angle between the first gripping portion and the second gripping portion is 135-165° (preferably, the angle between the first gripping portion and the second gripping portion is 140-145°); The included angle between the second gripping portion and the third gripping portion is 120-170° (preferably, the included angle between the second gripping portion and the third gripping portion is 130-140°).

[0014] In one embodiment of the present invention, the inner sides of the connection between the corner hook portion and the first grip portion, the inner sides of the connection between the first grip portion and the second grip portion, and the inner sides of the connection between the second grip portion and the third grip portion are all chamfered.

[0015] In one embodiment of the present invention, the surface of the first gripping portion is provided with anti-slip grooves (for increasing the contact friction between the hand and the retractor and improving the stability of the medical staff when holding the retractor).

[0016] In one embodiment of the present invention, the anti-slip lines are lines perpendicular to the length direction of the hook.

[0017] Compared with the prior art, the present invention has the following beneficial effects: In the present invention, the mucosal flap hook and the protrusion are used to pull the mucosal flap turned up during the maxillary sinus lateral wall window operation; in the implant operation, the mucosa and the soft tissues such as the periosteum thereunder need to be pulled apart so that the doctor can view the underlying bone structure, accurately make a hole in the bone, and then place the bone transplant material in the maxillary sinus lateral wall window area; further, it can help stabilize the soft tissue, increase the surgical field of view, and protect the surrounding tissue from damage; the first scale line on the support positioning member is used to measure the size of the lateral wall window bone window, and the second scale line is used to measure the height of the lateral wall window bone window, so as to accurately calculate The size of the bone window can avoid damaging important anatomical structures, ensuring the accuracy and reliability of the operation; the mouth corner hook is used to fix the patient's mouth corner, which is convenient for better pulling of the oral soft tissue, so that the surgical site is fully exposed, and it is convenient for the doctor to implant the implant; the handle part is convenient for the doctor to accurately control the direction and strength of the mouth corner hook and the mucosal flap hook, providing convenience of operation; the saliva suction tube is convenient for removing saliva and / or blood accumulated in the patient's mouth, ensuring the cleanliness of the oral environment; on the one hand, it is convenient for the doctor to operate and observe, and on the other hand, it can also improve the comfort of the patient during the operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of a multifunctional hook assembly of the present invention; Figure 2 A side view of a multifunctional hook assembly of the present invention; Figure 3 A bottom view of a multifunctional hook assembly of the present invention; Figure 4 A diagram showing the positional relationship between a supporting positioning member and a mucosal hook portion in a multifunctional hook assembly of the present invention; Figure 5 It is a structural schematic diagram of a multifunctional retractor assembly (including a saliva suction tube) of the present invention; Figure 6 It is a side view of a multifunctional retractor assembly (including a saliva suction tube) of the present invention; Figure 7 A bottom view of a multifunctional retractor assembly (including a saliva suction tube) of the present invention; Numbers in the figure: 1. mucosal flap hook; 2. mouth corner hook; 3. first gripping part; 4. second gripping part; 5. third gripping part; 6. protrusion; 7. supporting positioning piece; 71. first scale line; 72. second scale line; 8. anti-slip pattern; 9. saliva suction tube. DETAILED DESCRIPTION

[0019] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

[0020] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0022] In the description of this embodiment, the terms "upper", "lower", "left", "right" and other directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operate in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0023] In the following embodiments, unless otherwise specified, the structures or components used are conventional structures or components in the art and can achieve corresponding functions.

[0024] Example 1 This embodiment provides a multifunctional hook assembly, such as Figures 1 to 4 As shown, the multifunctional hook assembly includes two hooks with the same structure and bilateral symmetry; the hook includes an integrated hook portion and a handle portion, the hook portion includes an integrated mucosal flap hook portion 1 and a corner of mouth hook portion 2, and the corner of mouth hook portion 2 is connected to the handle portion; the side end of the mucosal flap hook portion 1 away from the corner of mouth hook portion 2 is provided with a protrusion for stabilizing the pulling position of the mucosal flap without damaging the surrounding tissue, and a supporting positioning member 7 connected to the protrusion for positioning; The protrusion member includes a plurality of continuously arranged protrusions 6, and the connection positions of adjacent protrusions 6 away from the mucosal flap hook portion 1 are chamfered (for enhancing the bending strength of the connection position), and the side of the protrusion 6 away from the mucosal flap hook portion 1 is rounded; the support positioning member 7 is a protrusion 6 with a rectangular cross-section, and the support positioning member 7 is provided with a first scale line 71 along its length direction and a second scale line 72 along its height direction.

[0025] The protrusions 6 are provided with two, the height of the protrusions 6 is 5.5-6.5 mm, the thickness is 0.8-1.2 mm, and the length is 4-7 mm (preferably, the height of the protrusions 6 is 5.2-6.2 mm, the thickness is 0.9-1.0 mm, and the length is 5-6 mm); the height of the position where the adjacent protrusions 6 are connected from the upper surface of the mucosal flap hook 1 is 2-3 mm; the height of the support positioning member 7 is 4-4.5 mm, the thickness is 0.8-1.2 mm, and the length is 10-12 mm (preferably, the height of the support positioning member 7 is The support positioning member 7 is parallel to the central axis of the protrusion 6 along the length direction; the angle between the support positioning member 7 and the mucosal flap hook portion 1 is 60~120° (preferably, the angle between the support positioning member 7 and the mucosal flap hook portion 1 is 90°, and the angle between the mucosal flap hook portion 1 and the corner of the mouth hook portion 2 is 180°); the side of the mucosal flap hook portion 1 away from the corner of the mouth hook portion 2 is rounded (for improving the patient's comfort during surgery).

[0026] The handle portion includes an integrated first grip portion 3, a second grip portion 4 and a third grip portion 5, the first grip portion 3, the second grip portion 4 and the third grip portion 5 are connected in sequence, and the first grip portion 3 is connected to the corner hook portion 2 at a side away from the second grip portion 4; wherein the angle α between the first grip portion 3 and the corner hook portion 2 is 1 is 130-160° (preferably, the angle α between the first gripping portion 3 and the corner hook portion 2 1The second gripping portion 4 extends in the opposite direction to the corner hook portion 2, and the third gripping portion 5 extends in the opposite direction to the first gripping portion 3; the included angle α between the first gripping portion 3 and the second gripping portion 4 is 2 is 135-165° (preferably, the angle α between the first grip portion 3 and the second grip portion 4 is 2 The angle α between the second gripping portion 4 and the third gripping portion 5 is 140-145°; 3 is 120-170° (preferably, the angle α between the second grip portion 4 and the third grip portion 5 is 3 is 130~140°); wherein, the first grip portion 3, the second grip portion 4 and the third grip portion 5 are arranged to fit the curve of the hand.

[0027] The inner side of the connection between the corner hook portion 2 and the first grip portion 3, the inner side of the connection between the first grip portion 3 and the second grip portion 4, and the inner side of the connection between the second grip portion 4 and the third grip portion 5 are all chamfered; the surface of the first grip portion 3 is provided with anti-slip patterns 8 (for increasing the contact friction between the hand and the retractor and improving the stability of the medical staff when holding the retractor); The anti-slip pattern 8 is a pattern perpendicular to the length direction of the hook.

[0028] The size of the retractor can be adjusted according to actual conditions (for example, the length of the retractor is 13-15 cm and the width is 1.5-2.5 cm).

[0029] In this embodiment, the mucosal flap hook 1 and the protrusion are used to pull the mucosal flap turned up during the maxillary sinus lateral wall window operation; in the implant operation, the mucosa and the soft tissues such as the periosteum thereunder need to be pulled apart so that the doctor can view the underlying bone structure, accurately make a hole in the bone, and then place the bone transplant material in the maxillary sinus lateral wall window area; further, it can help stabilize the soft tissue, increase the surgical field of view, and protect the surrounding tissue from damage; the first scale line 71 on the support positioning member is used to measure the size of the lateral wall window bone window, and the second scale line 72 is used to measure the height of the lateral wall window bone window, and then accurately calculate the size of the bone window to avoid damaging important anatomical structures and ensure the accuracy and reliability of the operation; the corner of the mouth hook 2 is used to fix the patient's corner of the mouth, so as to better pull the oral soft tissue, so that the surgical site is fully exposed, and it is convenient for the doctor to perform the implantation operation; the handle part facilitates the doctor to accurately control the direction and strength of the corner of the mouth hook 2 and the mucosal flap hook 1, providing convenience of operation.

[0030] Example 2 This embodiment provides a multifunctional hook assembly, which is the same as the embodiment 1 except that a saliva suction tube 9 is added.

[0031] Specifically, a saliva suction tube 9 is provided on the back of the retractor and runs through the length direction thereof (the support positioning member 7 is provided on the front of the retractor), and the saliva suction tube 9 is away from the support positioning member 7; wherein, the end of the saliva suction tube 9 close to the mucosal flap hook portion 1 serves as the inlet of the saliva suction tube 9, and the end away from the mucosal flap hook portion 1 serves as the outlet of the saliva suction tube 9; when in use, the end of the saliva suction tube 9 away from the mucosal flap hook portion 1 is connected to the external negative pressure suction component through an external connecting member; a switch for connecting or closing the saliva suction tube 9 and the external negative pressure component (such as Figures 4 to 7 as shown).

[0032] In this embodiment, the saliva suction tube 9 is convenient for removing saliva and / or blood accumulated in the patient's oral cavity to ensure the cleanliness of the oral environment; on the one hand, it is convenient for the doctor to operate and observe, and on the other hand, it can also improve the patient's comfort during the operation.

[0033] The above description of the embodiments is to facilitate the understanding and use of the invention by those skilled in the art. It is obvious that those skilled in the art can easily make various modifications to these embodiments and apply the general principles described herein to other embodiments without creative work. Therefore, the present invention is not limited to the above embodiments, and improvements and modifications made by those skilled in the art based on the explanation of the present invention without departing from the scope of the present invention should be within the scope of protection of the present invention.

Claims

1. A multifunctional hook assembly, characterized in that: The multifunctional hook assembly comprises two hooks with the same structure and bilateral symmetry; The retractor comprises an integrated hook portion and a handle portion, wherein the hook portion comprises an integrated mucosal flap hook portion (1) and a mouth corner hook portion (2), and the mouth corner hook portion (2) is connected to the handle portion; The side end of the mucosal flap hook portion (1) away from the mouth corner hook portion (2) is provided with a protrusion for stabilizing the pulling position of the mucosal flap without damaging the surrounding tissue, and a supporting positioning member (7) connected to the protrusion for positioning; The protrusion member comprises a plurality of protrusions (6) arranged in series, the connection positions of adjacent protrusions (6) away from the side of the mucosal flap hook portion (1) are chamfered, and the side of the protrusion (6) away from the mucosal flap hook portion (1) is rounded; The support positioning member (7) is a protrusion (6) with a rectangular cross section. The support positioning member (7) is provided with a first scale line (71) along its length direction and a second scale line (72) along its height direction.

2. A multifunctional hook assembly according to claim 1, characterized in that: A saliva suction tube (9) is provided on the back of the retractor hook and runs through the length direction thereof, and the saliva suction tube (9) is away from the supporting positioning member (7); When in use, the end of the saliva suction tube (9) away from the mucosal flap hook portion (1) is connected to an external negative pressure suction component via a connecting piece.

3. A multifunctional hook assembly according to claim 1, characterized in that: Two protrusions (6) are provided, and the height of the protrusions (6) is 5.5-6.5 mm, the thickness is 0.8-1.2 mm, and the length is 4-7 mm.

4. A multifunctional hook assembly according to claim 1, characterized in that: The support positioning member (7) has a height of 4-4.5 mm, a thickness of 0.8-1.2 mm, and a length of 10-12 mm.

5. The multifunctional hook assembly according to claim 1, characterized in that: The support positioning member (7) is parallel to the central axis of the protrusion (6) along the length direction; the angle between the support positioning member (7) and the mucosal flap hook portion (1) is 60-120 degrees.

6. The multifunctional hook assembly according to claim 1, characterized in that: The included angle between the mucosal flap hook portion (1) and the corner of mouth hook portion (2) is 180°; the side of the mucosal flap hook portion (1) away from the corner of mouth hook portion (2) is rounded.

7. The multifunctional hook assembly according to claim 1, characterized in that: The handle portion comprises an integrated first grip portion (3), a second grip portion (4) and a third grip portion (5), the first grip portion (3), the second grip portion (4) and the third grip portion (5) being connected in sequence, and a side of the first grip portion (3) away from the second grip portion (4) is connected to the corner hook portion (2); The included angle between the first gripping portion (3) and the corner hook portion (2) is 130-160°, the second gripping portion (4) and the corner hook portion (2) extend in opposite directions, and the third gripping portion (5) and the first gripping portion (3) extend in opposite directions.

8. A multifunctional hook assembly according to claim 7, characterized in that: The included angle between the first gripping portion (3) and the second gripping portion (4) is 135-165°; The included angle between the second gripping portion (4) and the third gripping portion (5) is 120-170°.

9. The multifunctional hook assembly according to claim 7, characterized in that: The inner side of the connection between the corner hook portion (2) and the first grip portion (3), the inner side of the connection between the first grip portion (3) and the second grip portion (4), and the inner side of the connection between the second grip portion (4) and the third grip portion (5) are all chamfered.

10. The multifunctional hook assembly according to claim 7, characterized in that: The surface of the first gripping portion (3) is provided with anti-slip patterns (8).

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