阅读说明：本技术 一种口腔颌面外科丁字钳 (Oral cavity maxillofacial surgery T-shaped forceps ) 是由 宋洪宁 于 2020-07-09 设计创作，主要内容包括：本发明涉及医疗器械相关技术领域,具体是一种口腔颌面外科丁字钳,所述口腔颌面外科丁字钳包括连接座及铰接在所述连接座上的两个相对设置的钳杆,两个所述钳杆上均通过连接件固定有弧形支撑件,所述连接座上远离所述钳杆的一侧设置有两个相对设置的手柄,所述手柄通过传动组件与所述钳杆连接；所述口腔颌面外科丁字钳还包括压舌板,所述压舌板通过连接组件安装在所述连接座上且所述连接组件通过驱动组件与其中一个所述手柄连接。将钳杆上的弧形支撑件置于患者口腔处,通过控制两个手柄相向运动,以通过传动组件带动两个钳杆转动,从而起到口腔支撑作用,同时在两个钳杆转动过程中,自动将压舌板朝向患者口腔移动,以压住患者舌部,方便进行口腔检查。(The invention relates to the technical field related to medical instruments, in particular to an oral and maxillofacial surgery T-clamp which comprises a connecting seat and two oppositely arranged clamp rods hinged on the connecting seat, wherein arc-shaped supporting pieces are fixed on the two clamp rods through connecting pieces; the T-shaped forceps for oral and maxillofacial surgery further comprise a tongue depressor, the tongue depressor is mounted on the connecting seat through a connecting assembly, and the connecting assembly is connected with one of the handles through a driving assembly. The arc support piece on the forceps rod is arranged in the oral cavity of a patient, and moves in opposite directions by controlling the two handles to drive the two forceps rods to rotate through the transmission assembly, so that the oral cavity supporting effect is achieved, and meanwhile, in the rotating process of the two forceps rods, the tongue depressor is automatically moved towards the oral cavity of the patient to press the tongue of the patient, and oral cavity examination is conveniently carried out.)

1. The T-shaped forceps for oral and maxillofacial surgery are characterized by comprising a connecting seat (1) and two oppositely arranged forceps rods (2) hinged to the connecting seat (1), arc-shaped supporting pieces (3) are fixed on the two forceps rods (2) through connecting pieces (4), two oppositely arranged handles (8) are arranged on one side, far away from the forceps rods (2), of the connecting seat (1), the handles (8) are connected with the forceps rods (2) through transmission components, and when the two handles (8) move oppositely, the two forceps rods (2) reversely rotate under the action of the transmission components;

the T-shaped forceps for oral and maxillofacial surgery further comprise a tongue depressor (16), wherein the tongue depressor (16) is mounted on the connecting seat (1) through a connecting assembly, the connecting assembly is connected with one of the handles (8) through a driving assembly, and when the two handles (8) move in opposite directions, the driving assembly drives the tongue depressor (16) to move away from the connecting seat (1) through the connecting assembly.

2. The T-shaped forceps for oral and maxillofacial surgery as defined in claim 1, wherein one section of the forceps rod (2) is a strip-shaped structure, the other section is an arc-shaped structure, and the forceps rod (2) arranged in the strip-shaped structure is provided with an embedded groove.

3. The oral maxillofacial surgery T-clamp according to claim 1, wherein said transmission assembly comprises a second gear (12) rotatably mounted in a movable cavity (14) provided on said connecting base (1), said second gear (12) being fixedly connected to said jawset bar (2), said second gear (12) being further engaged with a second toothed plate (13) slidably mounted in said movable cavity (14), said second toothed plate (13) being fixed to said handle (8) by means of a mounting base (7) fixed thereto.

4. The oral maxillofacial surgery T-bar according to claim 3, wherein the second rack (13) is connected to the inner wall of the movable cavity (14) by means of a sliding assembly, wherein the sliding assembly comprises a sliding block (18) fixed to the second rack (13) and a sliding slot (15) arranged on the inner wall of the movable cavity (14) and in sliding engagement with the sliding block (18).

5. An oral maxillofacial surgical T-clamp according to claim 1, characterised in that said tongue-spatula (16) is provided with a plurality of through holes (17).

6. The oral and maxillofacial surgery T-shaped forceps according to claim 5, characterized in that the connecting assembly comprises a movable rod (5) fixedly connected with the tongue depressor (16), one end of the movable rod (5) far away from the tongue depressor (16) penetrates through the connecting base (1) and is in threaded connection with a threaded sleeve (11) rotatably mounted on the connecting base (1), and a limiting sleeve (6) in sliding fit with the movable rod (5) is fixed on the connecting base (1) at a position opposite to the threaded sleeve (11).

7. The T-shaped forceps for oral and maxillofacial surgery according to claim 6, wherein at least one strip-shaped limiting block is arranged on the inner wall of the limiting sleeve (6), and a strip-shaped limiting groove in sliding fit with the strip-shaped limiting block is arranged on the movable rod (5).

8. An oral maxillofacial surgical T-clamp according to claim 6, wherein said drive assembly comprises a first rack plate (9) fixed to one of said handles (8) and a first gear (10) fixed to said threaded sleeve (11), said first rack plate (9) engaging said first gear (10).

9. The T-shaped forceps for oral and maxillofacial surgery according to claim 1, characterized in that rack catch plates (19) are fixed to opposite sides of the handles (8), and toothed parts on the two rack catch plates (19) are arranged oppositely.

Technical Field

The invention relates to the technical field related to medical instruments, in particular to T-shaped forceps for oral and maxillofacial surgery.

Background

The oral and maxillofacial surgery is mainly used for surgical treatment, mainly researches and prevents and treats oral organs (teeth, alveolar bones, lips, cheeks, tongues, palates, pharynx and the like), facial soft tissues, maxillofacial bones (maxilla, mandible, zygomatic bones and the like), temporomandibular joints, salivary glands and certain related diseases of necks, and can be used for diagnosis and treatment only by expanding the oral cavity with tools in the emergency treatment or treatment process of the oral and maxillofacial surgery.

When the oral cavity is opened, the tongue is not easy to control due to the flexibility of the tongue, so that the tongue affects the examination of the inner side of the oral cavity during oral treatment, and the use is inconvenient.

Disclosure of Invention

The invention aims to provide an oral and maxillofacial surgery T-shaped clamp to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the T-shaped forceps for oral and maxillofacial surgery comprise a connecting seat and two oppositely arranged forceps rods hinged on the connecting seat, arc-shaped supporting pieces are fixed on the two forceps rods through connecting pieces, two oppositely arranged handles are arranged on one side, far away from the forceps rods, of the connecting seat, the handles are connected with the forceps rods through transmission assemblies, and when the two handles move in opposite directions, the two forceps rods rotate in opposite directions under the action of the transmission assemblies;

the T-shaped forceps for oral and maxillofacial surgery further comprise a tongue depressor, the tongue depressor is mounted on the connecting seat through a connecting assembly, the connecting assembly is connected with one of the handles through a driving assembly, and when the two handles move in opposite directions, the driving assembly drives the tongue depressor to move away from the connecting seat through the connecting assembly.

As a further scheme of the invention: one section of the clamp rod is in a strip-shaped structure, the other section of the clamp rod is in an arc-shaped structure, and an embedded groove is formed in the clamp rod in the strip-shaped structure.

As a still further scheme of the invention: the transmission assembly comprises a second gear which is rotatably arranged in a movable cavity on the connecting seat, the second gear is fixedly connected with the nipper rod, the second gear is also meshed with a second toothed plate which is slidably arranged in the movable cavity, and the second toothed plate is fixed with the handle through a mounting seat fixed with the second toothed plate.

As a still further scheme of the invention: the second rack plate is connected with the inner wall of the movable cavity through a sliding assembly, wherein the sliding assembly comprises a sliding block fixed on the second rack plate and a sliding groove arranged on the inner wall of the movable cavity and in sliding fit with the sliding block.

As a still further scheme of the invention: the tongue depressor is provided with a plurality of through holes.

As a still further scheme of the invention: the connecting assembly comprises a movable rod fixedly connected with the tongue depressor, one end of the movable rod, which is far away from the tongue depressor, penetrates through the connecting seat and is in threaded connection with a threaded sleeve rotatably installed on the connecting seat, and a limiting sleeve in sliding fit with the movable rod is fixed at a position, opposite to the threaded sleeve, on the connecting seat.

As a still further scheme of the invention: at least one bar-shaped limiting block is arranged on the inner wall of the limiting sleeve, and a bar-shaped limiting groove in sliding fit with the bar-shaped limiting block is arranged on the movable rod.

As a still further scheme of the invention: the driving assembly comprises a first rack plate fixed on one of the handles and a first gear fixed on the threaded sleeve, and the first rack plate is meshed with the first gear.

As a still further scheme of the invention: and one sides of the two handles opposite to each other are respectively fixed with a rack clamping plate, and the toothed parts on the two rack clamping plates are oppositely arranged.

Compared with the prior art, the invention has the beneficial effects that: the tongue depressor is novel in design, the arc-shaped supporting piece on the forceps rods is arranged at the oral cavity of a patient in the use process, the two handles are controlled to move oppositely, the two forceps rods are driven to rotate through the transmission assembly, the oral cavity supporting effect is achieved, meanwhile, in the rotating process of the two forceps rods, the tongue depressor is automatically moved towards the oral cavity of the patient to press the tongue of the patient, the oral cavity examination is convenient to carry out, and the practicability is high.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the T-shaped forceps for oral and maxillofacial surgery.

Figure 2 is a cross-sectional view of one embodiment of the oromaxillofacial surgical T-clamp.

Fig. 3 is a schematic structural view of a second rack plate in the T-clamp for oral and maxillofacial surgery.

Fig. 4 is a schematic structural diagram of another embodiment of the T-shaped forceps for oral and maxillofacial surgery.

In the figure: 1-connecting seat, 2-clamp rod, 3-arc supporting piece, 4-connecting piece, 5-movable rod, 6-limiting sleeve, 7-mounting seat, 8-handle, 9-first rack plate, 10-first gear, 11-threaded sleeve, 12-second gear, 13-second rack plate, 14-movable cavity, 15-sliding groove, 16-tongue depressor, 17-through hole, 18-sliding block and 19-rack clamping plate.

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.

In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1 to 4, in the embodiment of the invention, the oral and maxillofacial surgery t-clamp comprises a connecting seat 1 and two oppositely arranged clamp rods 2 hinged on the connecting seat 1, arc-shaped supporting members 3 are fixed on the two clamp rods 2 through connecting members 4, two oppositely arranged handles 8 are arranged on one side of the connecting seat 1 far away from the clamp rods 2, the handles 8 are connected with the clamp rods 2 through transmission components, and when the two handles 8 move in opposite directions, the two clamp rods 2 reversely rotate under the action of the transmission components;

the oral and maxillofacial surgery T-shaped forceps further comprise a tongue depressor 16, wherein the tongue depressor 16 is mounted on the connecting seat 1 through a connecting assembly, the connecting assembly is connected with one of the handles 8 through a driving assembly, and when the two handles 8 move in opposite directions, the driving assembly drives the tongue depressor 16 to move away from the connecting seat 1 through the connecting assembly.

In the embodiment of the invention, in the using process, the arc-shaped supporting piece 3 on the forceps rod 2 is placed at the oral cavity of a patient, the two handles 8 are controlled to move oppositely to drive the two forceps rods 2 to rotate through the transmission component, so that the oral cavity supporting effect is achieved, and meanwhile, in the rotating process of the two forceps rods 2, the tongue depressor 16 is automatically moved towards the oral cavity of the patient to depress the tongue of the patient, so that the oral cavity examination is convenient to carry out, and the practicability is strong.

In the embodiment of the invention, the inner arc of the arc-shaped supporting piece 3 is provided with a medical rubber pad, and an air bag can be adopted, so that the oral cavity of a patient is effectively protected.

In the embodiment of the invention, rubber pads are respectively fixed on two sides of the two handles 8 which are far away from each other.

As an embodiment of the present invention, one section of the clamping bar 2 is disposed in a strip-shaped structure, the other section is disposed in an arc-shaped structure, and the clamping bar 2 disposed in the strip-shaped structure is provided with an embedded groove.

In the embodiment of the invention, the arc-shaped structures are arranged on the forceps rods 2, so that the opening angles of the two forceps rods 2 are improved, the use for different people is realized, the application range is wide, and the penetration and placement of the tongue pressing tube 16 can be effectively supported.

In the embodiment of the present invention, it should be noted that when the two forceps rods 2 are in the combined state, two sections of the two forceps rods 2, which are arranged in a strip-shaped structure, are in contact with each other, and the embedded groove is used for placing the tongue depressor 6.

As an embodiment of the present invention, the transmission assembly includes a second gear 12 rotatably mounted in a movable cavity 14 disposed on the connecting seat 1, the second gear 12 is fixedly connected to the clamping bar 2, the second gear 12 is further engaged with a second rack 13 slidably mounted in the movable cavity 14, and the second rack 13 is fixed to the handle 8 through a mounting seat 7 fixed thereto.

In the embodiment of the present invention, when the two handles 8 move towards each other, the second rack gear 13 is driven by the action of the mounting seat 7, when the second rack gear 13 moves, the second gear 12 drives the two jawsets 2 to rotate, and when the two handles 8 move in opposite directions, the two jawsets 2 rotate in opposite directions, wherein, in order to realize the automatic return of the two handles 8, a spring or other elastic member can be installed between the two handles 8, which is not shown in the drawings in the present application.

As an embodiment of the present invention, the second rack plate 13 is connected to the inner wall of the movable cavity 14 through a sliding assembly, wherein the sliding assembly includes a sliding block 18 fixed on the second rack plate 13 and a sliding slot 15 disposed on the inner wall of the movable cavity 14 and slidably engaged with the sliding block 18.

In the embodiment of the invention, the second rack plate 13 is moved by the sliding fit of the arranged slide block 18 and the sliding groove 15, and the second rack plate is not deviated in the moving process, so that the stability is high.

In one embodiment of the present invention, the tongue depressor 16 is provided with a plurality of through holes 17.

As an embodiment of the present invention, the connecting assembly includes a movable rod 5 fixedly connected to the tongue depressor 16, one end of the movable rod 5, which is far away from the tongue depressor 16, penetrates through the connecting seat 1 and is in threaded connection with a threaded sleeve 11 rotatably installed on the connecting seat 1, and a position, which is opposite to the threaded sleeve 11, of the connecting seat 1 is fixed with a position-limiting sleeve 6 in sliding fit with the movable rod 5.

In the embodiment of the invention, when the threaded sleeve 11 rotates, the movable rod 5 in threaded connection with the threaded sleeve moves along the axial direction of the threaded sleeve 11 under the limiting action of the limiting sleeve 6, so that the tongue spatula 16 is moved and pushed out, and the driving requirement is met.

In the embodiment of the present invention, it should be noted that an external thread is disposed at a connection position of the movable rod 5 and the threaded sleeve 11, and the external thread is in threaded connection with an internal thread inside the threaded sleeve 11.

As an embodiment of the present invention, at least one bar-shaped limiting block is disposed on an inner wall of the limiting sleeve 6, and a bar-shaped limiting groove in sliding fit with the bar-shaped limiting block is disposed on the movable rod 5.

In the embodiment of the invention, the movable rod 5 can only slide along the axial direction of the limiting sleeve 6 under the limiting action of the limiting sleeve 6 by matching the arranged strip-shaped limiting groove with the strip-shaped limiting block.

As an embodiment of the present invention, the driving assembly includes a first rack plate 9 fixed to one of the handles 8 and a first gear 10 fixed to the threaded sleeve 11, and the first rack plate 9 is engaged with the first gear 10.

In the present embodiment, during use, the first rack plate 9 is moved by the handle 8 so as to be rotated by the first gear 10 engaged therewith, thereby driving the first threaded sleeve 11.

As an embodiment of the present invention, rack catch plates 19 are respectively fixed on opposite sides of the two handles 8, and the toothed parts on the two rack catch plates 19 are arranged oppositely.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.