WO2022206473A1 - Mandibular support and application thereof - Google Patents

Abstract

The present application provides a mandibular support, comprising: a first rod body; a raising/lowering portion on which a supporting portion capable of supporting the mandible of a patient is provided, the raising/lowering portion being movably connected to the first rod body to control a first length between the supporting portion and a first end of the first rod body; and a second rod body on which a sliding base capable of moving along the second rod body is provided, a connecting base being provided on the sliding base, a connecting piece connected to the first end of the first rod body being provided in the connecting base, and at least a part of the connecting piece being located in the connecting base and being capable of rotating in the connecting base, such that the first rod body can rotate in multiple directions.

Description

Mandibular support and its application

This application claims the priority of the Chinese patent application with the application number of 202120687812.3 and the invention name of "anesthetic mandibular support" filed with the China Patent Office on April 2, 2021, the entire contents of which are incorporated into this application by reference.

technical field

The present application belongs to the technical field of medical devices, and in particular relates to a mandibular support bracket and its application.

Background technique

Outpatient, minor surgery, sedation, induction period of general anesthesia, extubation period of general anesthesia, and non-intubation general anesthesia patients are under light anesthesia. The patient's jaw is opened, the airway is opened, and the mask is pressed against the patient's face to establish a closed breathing circuit between it and the anesthesia machine or ventilator. However, because the mask ventilation time is usually long, if the operator is inexperienced, the patient has a difficult airway, or the mask ventilation time needs to be extended, it is difficult to maintain the mask ventilation for a long time even with both hands, and the mask pressure supply provides Oxygen occupies the hands of the anesthesiologist, and the anesthesiologist cannot complete other tasks such as recording and medication at the same time, which brings difficulties to the clinical work.

SUMMARY OF THE INVENTION

Aiming at some deficiencies in the current anesthesia process, the present application provides a mandibular support bracket, which can support the mandible of a patient and replace the hands of medical staff.

A first aspect of the present application provides a chin support bracket, comprising:

the first rod body;

a lift part, which is provided with a support part capable of holding up the lower jaw of the patient; the lift part is movably connected with the first rod body to control the first length between the support part and the first end of the first rod body;

The second rod body is provided with a sliding seat that can move along the second rod body; the sliding seat is provided with a connecting seat, and the connecting seat is provided with a connecting piece connected with the first end of the first rod body;

Wherein, at least a part of the connecting piece is located in the connecting seat and can be rotated in the connecting seat, so that the first rod body can be rotated in multiple directions.

Optionally, the connecting piece is a ball head disposed at the first end of the first rod body; the connecting seat is a ball head seat, and a first substantially spherical cavity is opened therein; at least a part of the ball head is located at In the first cavity, it can rotate in multiple directions in the first cavity.

Alternatively, a cylindrical second cavity is opened in the connecting seat, the connecting piece is a cylinder and is located in the second cavity; the first end of the connecting piece is located outside the second cavity, and a third rotating shaft; the first end of the first rod body is connected with the third rotating shaft.

Optionally, the second rod body is provided with a mounting portion for fixedly installing the second rod body; preferably, the mounting portion is an insert plate that is substantially perpendicular to the second rod body.

Optionally, the lifting part is a sleeve sleeved on the first rod body, and the sleeve is movably connected with the first rod body to adjust the first length from the first end of the first rod body to the holding part.

Optionally, the first rod body is provided with a plurality of first grooves arranged in parallel along the first moving direction; the sleeve is provided with a first hole and a first accommodating groove; the sleeve is rotatably provided with a first groove. An adjustment plate, the first part of the first adjustment plate corresponds to the first hole, the first part of the first adjustment plate is provided with a first buckle, the first buckle is located in the first hole and can be locked with the first groove The second part of the first regulating plate corresponds to the first accommodating groove, and the first accommodating groove is provided with a first spring. Optionally, the first spring is preloaded in the first accommodating groove. Optionally, the first buckle is provided with a first inclined surface facing the holder, which can be in contact with the first groove; and/or, each of the first grooves is provided with a second inclined surface facing the connector , which can be in contact with the first buckle.

Optionally, the second rod body is provided with a plurality of second grooves arranged in parallel along the second moving direction; the sliding seat is provided with a second hole and a second accommodating groove; the sliding seat is rotatably provided with a second groove; Two adjustment plates, the first part of the second adjustment plate corresponds to the second hole, the first part of the second adjustment plate is provided with a second buckle, the second buckle is located in the second hole and can be locked with the second groove The second part of the second regulating plate corresponds to the second accommodating groove, and the second accommodating groove is provided with a second spring. Optionally, the second spring is preloaded in the second accommodating groove.

Alternatively, the second rod body includes a slide rail, and the slide seat is provided with a third groove matching the slide rail; the slide seat is also provided with a third adjusting member, which includes a first threaded rod and a third groove located on the first thread. A rotating head at the first end of the rod, wherein the rotating head is located outside the sliding seat, and the first threaded rod is threadedly connected with the sliding seat and extends to the third groove.

Optionally, the second end of the first threaded rod is provided with a contact pad located at the third groove.

Optionally, the inner wall of the third groove is provided with one or more fourth grooves capable of accommodating beads, and the beads are in rolling contact with the slide rail.

Optionally, the length of the second rod body is 20-25cm.

Optionally, a connecting portion is provided between the second rod body and the mounting portion, wherein the mounting portion is mounted on the connecting portion, and the first end of the second rod body and the connecting portion are movably connected to adjust the mounting portion to the second rod body the second length of the free end.

Optionally, the connecting portion is a cylindrical structure; the first end of the second rod body is inserted into the cylindrical structure; the cylindrical structure is provided with one or more adjustment bolts that can interfere with the second rod body.

Optionally, the second rod body is provided with a fifth groove along the second moving direction; one end of the cylinder structure close to the sliding seat is provided with a first protrusion, which extends into the fifth groove; One end is provided with a second protrusion, which also extends to the fifth groove; so that the first protrusion can restrain the second protrusion from leaving the cylindrical structure.

Alternatively, the connecting portion is a U-shaped structure, and is provided with a plurality of teeth arranged at intervals along the second moving direction to form a tooth row; a gap is formed between two adjacent teeth; the second rod body is the first One end is provided with an elastic piece, and the elastic piece is located in the gap in a free state.

Optionally, the first rod body and the ball head are detachably connected; wherein, the first rod body is provided with a third clamping piece, the ball head is provided with a connecting body, and a connection body is provided on the connecting body for engaging with the third clamping piece. Open your mouth.

Optionally, a fourth adjusting member is provided on the ball socket, and one of the following solutions is adopted:

Option 1: The fourth adjusting member includes a second threaded rod and an adjusting head located at one end of the second threaded rod, the adjusting head is located outside the ball socket, and the second threaded rod and the ball socket are threadedly connected and extend to the first at the cavity.

Option 2: The fourth adjusting member includes a lock nut, and the ball head seat is provided with an external thread matching the lock nut; the lock nut also has a cover on which a part of the ball head is exposed the fifth hole.

Optionally, the holder has a recess for accommodating the patient's lower jaw.

A second aspect of the present application provides an application of a mandibular support bracket, using two mandibular support brackets described in any of the foregoing technical solutions, and the two are substantially symmetrically arranged; wherein, the second rod body of each mandibular support bracket is substantially the same as that of the mandibular support bracket. The shoulders of the patient are parallel, and the supporting parts of each mandibular support bracket respectively support the mandibular parts on both sides of the patient's face.

Optionally, the mandibular support bracket is used in anesthesia surgery.

Compared with the prior art, the advantages and positive effects of the present application are as follows:

1. The mandibular support provided by at least one embodiment of the present application solves the problem that the anesthesiologist needs the operator to hold the patient's jaw with both hands or one hand during the mask pressurized oxygen supply process, thereby occupying the anesthesiologist's hands, so that the anesthesiologist cannot simultaneously. Completion of records, medication, and other tasks bring trouble to clinical work.

2. The mandibular support provided by at least one embodiment of the present application can flexibly and flexibly be shaped according to the manipulation of an anesthesiologist, fix the mandibular support, and fix the face mask, so as to realize mechanized ventilation under non-intubation general anesthesia, and also to preserve autonomy. Respiratory general anesthesia improves the safety index and frees the hands of the anesthesiologist.

3. The jaw support bracket provided by at least one embodiment of the present application has the characteristics of flexibility, convenience, little trauma, and low cost, and is suitable for clinical practical application.

Description of drawings

1 is a cross-sectional view of a chin rest support according to an embodiment;

Fig. 2 is the first partial enlarged view of Fig. 1;

Fig. 3 is the second partial enlarged view of Fig. 1;

FIG. 4 is a schematic diagram of a mandibular support bracket according to an embodiment;

5 is a schematic view of a sliding seat of an embodiment;

Fig. 6 is a partial exploded view of the chin support bracket of an embodiment;

7 is a schematic diagram of the cooperation between the first adjusting member and the first groove;

8 is a schematic view of a sliding seat of an embodiment;

9 is a schematic diagram of the combination of the mounting portion and the second rod body according to an embodiment;

10 is a schematic diagram of the combination of the first rod body and the ball head according to an embodiment;

11 is a schematic diagram of the connection between the first rod body and the connecting seat according to an embodiment;

Figure 12 is a cross-sectional view of the connector of Figure 11;

Among them: 1 first rod body, 101 first groove, 1011 second inclined surface, 102 third clip, 1021 plate body, 1022 third protrusion; 2 ball head, 201 connecting body, 202 opening; 3 lifting part, 4 Holder, 401 Recess, 5 Second Rod, 501 First End of Second Rod, 502 Second End of Second Rod, 503 Second Groove, 504 Slide Rail, 505 Second Protrusion, 506 Elastic Part; 6 Slide Seat, 601 second hole, 602 second accommodating groove, 603 third groove, 604 inner wall, 605 fourth groove, 606 ball; 7 ball socket, 701 first cavity, 702 notch, 703 external thread ; 8 mounting parts; 9 sleeves, 901 first holes, 902 first accommodating grooves; 10 first adjustment pieces, 1001 first adjustment plates, 1002 first rotation shafts, 1003 first buckles, 10031 first inclined surfaces, 1004 first spring; 11 second adjustment piece, 1101 second adjustment plate, 1102 second rotation shaft, 1103 second buckle, 1104 second spring; 12 third adjustment piece, 1201 first threaded rod, 1202 rotating head, 1203 contact pad; 13 connecting part; 14 cylinder structure, 1401 first protrusion; 15 adjusting bolt; 16 fifth groove; 17 teeth; 18 clearance; 19 fourth adjusting piece, 1901 second threaded rod, 1902 adjusting head ; 20 lock nut, 2001 cover, 2002 fifth hole; 21 connecting seat, 2101 second cavity, 2102 third cavity; 22 connecting section, 2201 expansion section; 23 third rotating shaft; L1 first length, L2 is the second length, X1 is the first moving direction, and X2 is the second moving direction.

Detailed ways

The technical solutions of the present application will be described in detail below in conjunction with specific embodiments, however, it should be understood that elements, structures and features in one embodiment can also be beneficially combined into other embodiments without further description.

In the description of the present application, it should be understood that the terms "first" and "second" are only used for description purposes, and cannot be interpreted as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature.

In the description of this application, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "bottom", "inside", etc. is mainly based on the orientation or positional relationship shown in FIG. It is for the convenience of describing the present application and to simplify the description, rather than indicating or implying that the referred device or element must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as a limitation of the present application.

In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integrated connection. Ground connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood in specific situations.

The first embodiment of the present application provides a mandibular support bracket, which can be used to hold a patient's mandible during anesthesia surgery, so that doctors or nurses can free their hands for other work; as shown in Figures 1-4, the The chin rest includes:

The first rod body 1, the first end of which is provided with a ball head 2 as a connecting piece;

The lift portion 3 is provided with a support portion 4 capable of holding up the lower jaw of the patient; the lift portion 3 is movably connected with the first rod body 1 to control the first length L1 between the support portion 4 and the ball head 2;

The second rod body 5 is provided with a sliding seat 6 that can move along the second rod body 5; cavity 701;

Wherein, at least a part of the ball head 2 is located in the first cavity 701 and can be rotated in the first cavity 701, so that the first rod body 1 can be rotated in multiple directions.

The first end 501 of the second rod body is provided with a mounting portion 8 for mounting the second rod body 5 on a fixed object such as an operating bed, so as to make the entire chin rest support relatively stable during use. As shown in FIGS. 1 and 4 , the mounting portion 8 can be an insert plate arranged substantially perpendicular to the second rod body 5 , and hangs down along the edge of the bed, and the insert plate is pressed to the fixed position by a fixing member on a fixed object such as an operating bed. between the part and the bed edge, so as to realize the fixation of the second rod body 5 .

As an optional embodiment, as shown in FIGS. 1 , 4 and 6 , the lifting portion 3 is a sleeve 9 sleeved on the first rod body 1 and movably connected with the first rod body 1 . The first rod body 1 is relatively fixed, and the sleeve 9 can move relative to the first rod body 1 , thereby increasing the overall length of the lifting portion 3 and the first rod body 1 to achieve the purpose of increasing the first length L1 .

As a specific embodiment, as shown in FIG. 6 , the first rod body 1 is provided with a plurality of substantially parallel first grooves 101 along the first movement direction X1 (which is the axial direction of the first rod body). The sleeve 9 is provided with a first hole 901 and a first accommodating groove 902 . The sleeve 9 is provided with a first adjustment member 10 for controlling the relative position of the sleeve 9 and the first rod body 1 , which includes a first adjustment plate 1001; the first adjustment plate 1001 is rotatably mounted on the sleeve 9, For example, the first rotating shaft 1002 is installed between the first hole 901 and the first accommodating groove 902, so that the first part 10011, the second part 10012 of the first adjusting plate and the first rotating shaft 1002 roughly form a seesaw structure: When the second part 10012 is pressed, the first part 10011 will lift; when the second part 10012 is released, the first part 10011 will descend, so that the second part 10012 forms an adjustment button. The first part 10011 of the first adjusting plate is provided with a first buckle 1003, the first buckle 1003 is located in the first hole 901 of the sleeve, and can be inserted into the first groove 101 through the first hole 901, so as to The movement of the sleeve 9 is restricted. A first spring 1004 is arranged in the first accommodating groove 902 of the sleeve 9. The first spring 1004 is arranged corresponding to the second part 10012 of the first adjustment plate, and can be installed on the second part 10012 of the first adjustment plate, or not required. On it, it is freely located in the first accommodating groove 902 . The first spring 1004 can be in contact with the second part 10012 of the first regulating plate to control its rotation around the rotation axis; preferably, the first spring 1004 is always in a compressed state, that is, the first spring 1004 is preloaded in the first receiving slot 902.

As a preferred embodiment, as shown in FIG. 7 (the sleeve 9 is omitted in the figure for ease of understanding), the first buckle 1003 is provided with a first inclined surface 10031 facing the receiving portion 4, which can be connected with the first The grooves 101 are in contact. Each of the first grooves 101 is provided with a second inclined surface 1011 facing the connecting piece (ball head 2 ), so that the first grooves 101 generally form a zigzag shape facing the connecting piece. Wherein, the first inclined surface 10031 and the second inclined surface 1011 may be provided at the same time, or one of them may be provided separately. By setting the inclined surface, the first length L1 can be controlled to be relatively short before use, and the first length L1 can be extended by dragging the sleeve 9 in the upward direction in FIG. 7 until it is in contact with the lower jaw of the patient. After the dragging is completed, the first spring 1004 and the first buckle 1003 are automatically engaged to prevent the sleeve 9 from retracting. Such an operation can extend the first length L1 without pressing the second part 10012 of the first adjusting plate, so as to adjust the matching between the rest part 4 and the lower jaw of the patient; at this time, there is no need to manually press the first length L1. Adjustment plate, so the operation is more convenient and fast.

Through the above arrangement, the adjustment and positioning between the lifting portion 3 and the first rod body 1 can be realized, so as to control the first length L1. Specifically, when the first length L1 needs to be adjusted, an operator such as a doctor or a nurse presses the second part 10012 (button) of the first adjustment plate, so that the first spring 1004 is compressed or further compressed (if it is in a pre-compressed state) , at this time, the first part 10011 of the first adjusting plate is lifted up and drives the first buckle 1003 to leave the current first groove 101. Since the first buckle 1003 loses the engagement with the first groove 101, the lifting part 3 can Free movement along the first rod body 1 . After adjusting to an appropriate length, the operator releases the second part 10012 of the first adjustment plate, and the first spring 1004 recovers to provide elastic force, so that the first part 10011 of the first adjustment plate is pressed down, and the first part 10011 drives the The first buckle 1003 is embedded in the new first groove 101 to realize the engagement between the first buckle 1003 and the new first groove 101, so that the lifting part 3 cannot continue to move along the first rod body 1, which limits the first length L1.

The same or similar structure as the first adjusting member 10 can also be used between the second rod body 5 and the sliding seat 6 to realize the movable connection between the two; The difference is that the movement of the sliding seat 6 on the second rod body 5 is mainly to select a better angle to match the lower jaw of the patient, or to coordinate the first rod body 1 and the lifting part 3 . More specifically, as shown in FIGS. 4 and 5 , the second rod body 5 is provided with a plurality of substantially parallel second grooves 503 along the second movement direction X2 (which is the axial direction of the second rod body). The sliding seat 6 is provided with a second hole 601 and a second accommodating groove 602 . The sliding seat 6 is provided with a second adjusting member 11 for controlling the position of the sliding seat 6 on the second rod body 5, which includes a second regulating plate 1101; the second regulating plate 1101 is rotatably mounted on the sliding seat 6, for example by The second rotating shaft 1102 is installed between the second hole 601 and the second accommodating groove 602, so that the first part 11011, the second part 11012 of the second adjusting plate 1101 and the second rotating shaft 1102 generally form a seesaw structure. The second part 11012 is an adjustment button. The first part 11011 of the second adjusting plate is provided with a second buckle 1103 , which is located in the second hole 601 and can be engaged with the second groove 503 through the second hole 601 to limit the movement of the sliding seat 6 . The second accommodating groove 602 is provided with a second spring 1104, which is arranged corresponding to the second portion 11012 of the second adjusting plate, and can be installed on the second portion 11012 of the second adjusting plate, or can be freely installed without being installed thereon. is located in the second accommodating groove 602 . The second spring 1104 can be in contact with the second part 11012 of the second regulating plate to control it to rotate around the rotation axis; preferably, the second spring 1104 is in a preloaded state. Through the above-mentioned settings, the movement of the sliding seat 6 on the second rod body 5 can be realized, and the movement method can be referred to above, and will not be repeated here.

During the operation of the mandibular support bracket, (1) according to the position of the patient lying flat on the operating bed, first fix the mounting part 8 of the mandibular support support at the edge of the bed, and the second rod body 5 extends to the direction of the patient's neck, which is roughly the same as that of the patient's neck. The shoulders are parallel; (2) according to the patient's body shape and the distance between the holder 4 and the patient's lower jaw, adjust the position of the sliding seat 6 on the second rod body 5 through the second adjusting member 11; (3) adjust the position of the ball head 2 The angle and the first adjusting member 10 are used to adjust the lift portion 3 to control the first length L1, so as to support the holder portion 4 at the lower jaw of the patient. The moving slide 6 in this embodiment can adjust the angle between the first rod body 1 and the lower jaw of the patient on the one hand, and can supplement the first length L1 on the other hand.

As an alternative embodiment, the following technical solutions can also be used between the second rod body 5 and the sliding seat 6 to realize the movement of the sliding seat 6 on the second rod body 5 . As shown in FIGS. 6 and 8 , the second rod body 5 includes a slide rail 504 , and a third groove 603 matching the slide rail 504 is defined on the slide base 6 , so that the slide base 6 can slide along the slide rail 504 . The sliding seat 6 is also provided with a third adjusting member 12, which includes a first threaded rod 1201, a rotating head 1202 and a contact pad 1203 respectively located at both ends of the first threaded rod 1201; wherein, the third adjusting member 12 and the sliding The first threaded rod 1201 and the threaded hole in the sliding seat 6 are used for threaded connection between the seats 6 ; the rotating head 1202 is located outside the sliding seat 6 and can be rotated manually; Such a configuration enables when the position of the sliding seat 6 on the second rod body 5 needs to be adjusted, the contact pad 1203 is rotated out to prevent the contact pad 1203 from preventing the sliding seat 6 from sliding; when the sliding seat 6 slides to an appropriate position, The contact pads 1203 are screwed inwards so that the contact pads 1203 are in contact with the slide rails 504 to prevent the sliding seat 6 from continuing to slide.

In order to make the movement between the third groove 603 and the slide rail 504 smoother, as shown in FIG. 8 , the inner wall 604 of the third groove 603 is further provided with one or more fourth grooves 606 capable of accommodating a plurality of beads 606 . The grooves 605 , the balls 606 and the slide rail 504 are in rolling contact, so as to realize the sliding of the slide seat 6 on the slide rail 504 . Preferably, spherical beads, such as stainless steel beads, are selected for the beads 606 . In FIG. 8 , the inner wall 604 of the third groove 603 is provided with a plurality of fourth grooves 605 along the second moving direction X2, but the arrangement of the fourth grooves 605 is not limited to the second moving direction X2, and can also be along the second moving direction X2. It is arranged perpendicular to the second movement direction X2 and forms an annular shape or a part of an annular shape (similar to a bearing).

Optionally, the length of the second rod body 1 is 15-30 cm, such as 15 cm, 18 cm, 20 cm, 22 cm, 25 cm, 28 cm, 30 cm, etc.; such a length is suitable for almost all patients.

Optionally, as shown in FIG. 1 and FIG. 4 , a connecting portion 13 substantially parallel to the second rod body 5 is provided between the second rod body 5 and the mounting portion 8 , wherein the mounting portion 8 is fixed on the connecting portion 13 or can be integrally formed, the second rod body 5 and the connecting portion 13 are movably connected to adjust the mounting portion 8 to the second length L2 of the second end 502 of the second rod body. The second end 502 of the second rod body is a free end opposite to the first end 501 of the second rod body.

As a specific embodiment, as shown in FIGS. 1 , 3 and 4 , the connecting portion 13 is a cylindrical structure 14 . The second rod body 5 is inserted into the cylindrical body structure 14 , and the cylindrical body structure 14 is provided with an adjusting bolt 15 , which is threadedly connected with the cylindrical body structure 14 and can abut with the second rod body 5 . When the second length L2 needs to be adjusted, the adjusting bolt 15 is unscrewed so that the second rod body 5 can move relative to the cylindrical structure 14; when the length is adjusted to an appropriate length, the adjusting bolt 15 is tightened to abut against the second rod body 5, to limit its movement. Conventionally, the width of hospital beds or operating beds used in hospitals is very limited, and when a patient lies down, the space on the left and right sides of the patient's neck is also very limited. If the second rod body 5 is too long, it may not be placed on both sides of the patient's neck; if the second rod body 5 is too short, the rest 4 may not reach the lower jaw of the patient. At the same time, considering that the space reserved for different patients is different, the length of the second rod body 5 (that is, the shortest length of the second length L2) needs to allow all kinds of patients to have space to lie down; for different patients, it is best to also The second length L2 can be adjusted to further satisfy different patients.

As an optional embodiment, as shown in FIGS. 1-4 , a fifth groove 16 is formed on the second rod body 5 along the second moving direction X2, and an end of the cylinder structure 14 close to the sliding seat 5 is formed There is a first protrusion 1401, which extends into the fifth groove 16; the first end 501 of the second rod body 5 is provided with a second protrusion 505, which also extends into the fifth groove 16; thus the first protrusion 1401 The second protrusion 505 can be restricted from being separated from the cylindrical structure 14, so that when the second length L2 is adjusted, the second rod body 5 will not be separated from the cylindrical structure 14, which makes the operation more convenient; in addition, the first protrusion and the second protrusion The rotation of the second rod body can also be restricted, so that the operation is more convenient.

When the fifth groove 16 is provided, the adjusting bolt 15 can extend into the fifth groove 16, which can limit the horizontal movement of the second rod body 5 on the one hand, and limit its rotation on the other hand.

When the fifth groove 16 is provided, the third adjusting member 12 on the sliding seat 6 can extend into the fifth groove 16, on the one hand, it can limit the horizontal movement of the sliding seat 6, and on the other hand, it can also limit its rotate.

As an alternative to the cylindrical structure 14 , as shown in FIG. 9 , the connecting portion 13 is substantially a U-shaped structure, and a plurality of teeth 17 are evenly spaced therein along the second moving direction X2 to form teeth. A gap 18 is formed between two adjacent teeth. The connecting portion 13 shown in FIG. 9 is formed with two tooth rows. The second rod body 5 is mainly provided with an elastic member 506 on the first end 501 of the second rod body, and the elastic member 506 is located in the gap 18 in a free state. When an external force is used to move the second rod body 5 , the elastic member 506 is squeezed by the teeth 17 ; if the external force is withdrawn, the elastic member 506 will be relatively stably located in the gap 18 , thereby restricting the movement of the second rod body 5 . One or more elastic members 506 may be arranged on the second rod body 5 to match the same tooth row. For example, in this embodiment, a total of four elastic members 506 are provided on the second rod body 5 , two of which are matched with the first dentition, and the other two are matched with the second dentition.

As an optional embodiment, the first rod body 1 and the ball head 2 (connector) are detachably connected, so that different first rod bodies 1, lifting parts 3 and support parts can be replaced according to different patients 4, to avoid cross infection. For a specific implementation, please refer to FIG. 10 . The first rod body 1 is provided with an elastic third clamping member 102 . In this embodiment, there are two deformable plate bodies 1021 , and the free end of each plate body has a third protrusion. from 1022. Correspondingly, the ball head 2 is provided with a connecting body 201 , and two openings 202 corresponding to the two plate bodies 1021 are formed thereon. As shown in the direction of the arrows in the figure, by pressing the two third clips 102 inward at the same time, the third clips 102 can be clipped into the opening 202 , thereby realizing the detachable connection between the first rod body 1 and the ball head 2 . connect.

As an optional embodiment, the ball socket 7 (connecting seat 21 ) can be integrally formed with the sliding seat 6 , that is, the first cavity 701 can be directly opened on the sliding seat 6 , or the two can be Split structure. As shown in FIG. 1 and FIG. 6 , the ball seat 7 (connection seat 21 ) is arranged vertically, so that when the first rod body 1 and the lifting part 3 are inclined to support the lower jaw of the patient lying on the back, the ball seat 7 (connection seat 21 ) is vertically arranged. The seat 21) can provide a larger contact surface for the ball head 2, so that the support of the first rod body 1 and the lifting part 3 between the ball head seat 7 and the lower jaw of the patient is more stable. It can be understood that the first cavity 701 is substantially spherical, that is, a spherical shape or a part of a spherical shape.

As an optional embodiment, as shown in FIG. 10 , one or more notches 702 are further opened on the ball socket 7 near the first rod body 1 . When the jaw support is no longer needed to support the patient's lower jaw, the first rod body 1 can be placed approximately flat from the notch 702 , so as not to interfere with other medical care work of doctors or nurses.

As an optional embodiment, as shown in FIG. 6 , the ball socket 7 may also be provided with a fourth adjusting member 19 , and the fourth adjusting member 19 includes a second threaded rod 1901 and a second threaded rod 1901 located on the second threaded rod 1901 . One end of the adjusting head 1902, the adjusting head 1902 is located outside the ball socket 7, and the second threaded rod 1901 is threadedly connected with the ball socket 7 and extends into the first cavity 701. When it is difficult to support the patient's lower jaw or the ball head 2 is too loose, the second threaded rod 1901 can be screwed into contact with the ball head 2 to stabilize the holder 4 .

As an optional implementation manner, the fourth adjusting member 19 on the ball socket 7 may also adopt a locking nut 20 . Specifically, as shown in FIG. 2 , the ball socket 7 is provided with an external thread 703 , and the locking nut 20 is matched with the external thread 703 of the ball socket. The lock nut 20 also has a cover body 2001 on which a fifth hole 2002 for exposing a part of the ball head 2 is opened. When the lock nut 20 is tightened, the ball head 2 can be pressed by the cover body 2001, etc., so that it is stable and does not rotate randomly.

As shown in FIG. 4 , the holder 4 has a concave portion 401 for accommodating the lower jaw of the patient, so as to better fit the lower jaw of the patient. The holder 4 can also be covered with a protective cover; it is made of a flexible material, such as silica gel, rubber, sponge, resin, etc., so as to have a certain flexibility and avoid injury to the patient's lower jaw.

The second embodiment of the present application provides a chin support bracket, which is different from the first embodiment in that the connection between the first rod body 1 and the ball head seat 7 (connection seat 21 ) is different (non-ball head connection) , and other technical solutions are the same or similar. Therefore, it can be understood that a plurality of technical solutions used in the first embodiment can also be used in this embodiment without reservation, which will not be repeated here. Different from the ball joint connection, as shown in FIGS. 11 and 12 , in this embodiment, the sliding seat 6 is provided with a connecting seat 21 , and a cylindrical second cavity 2101 is opened therein. The cylindrical connecting piece 22 is embedded in the second cavity 2101 so as to be rotatable in the connecting seat 21 . The first end of the connecting member 22 is located outside the second cavity 2101, and a third rotating shaft 23 is provided on it. The first rod body 1 is connected with the third rotating shaft 23, so that the connecting member 22 and the third rotating shaft can pass through 23 realizes multi-directional rotation of the first rod body 1 .

Optionally, the second cavity 2101 is further provided with a third cavity 2102 with an enlarged radius. Correspondingly, the connector 22 is provided with an expanded section 2201 with an expanded radius, and the expanded section 2201 is located in the third cavity 2102, so that the connecting piece 22 can be prevented from being separated from the connecting seat 21.

Through the above arrangement, on the one hand, the first rod body 1 can rotate around the third rotating shaft 23, and can also follow the third rotating shaft 23 to rotate around the connecting piece 22, so as to achieve the purpose of multi-directional rotation. The same thing works.

The third embodiment of the present application provides an application of a mandibular support bracket, using two mandibular support brackets described in any of the foregoing embodiments, and the two are substantially symmetrically arranged; wherein, the second rods of each mandibular support support are Roughly parallel to the shoulders of the patient lying on the back, the rests of each chin rest support respectively support the mandibles on both sides of the patient's face.

Optionally, the mandibular support bracket can be used in anesthesia surgery.

During use, when the patient is lying down on the operating bed, insert the two jaw support inserts into the slots on both sides of the bed and fix them. Each second rod body 5 is roughly parallel to the patient's shoulder, and the patient's neck The part is located between the two second rod bodies 5 . The two-sided translation slide 6 is fixed at a suitable position. After the patient is anesthetized, hold the patient's lower jaw with both hands, and simultaneously move the lifting part 3 so that the two brackets support the patient's lower jaw from both sides. Release both hands, and the chin rest bracket is locked in place, so that the chin rest bracket supports the patient's chin. Further, you can continue to make the bilateral bandages and the mask in place, turn on the ventilator, and complete the entire preparation process.

It should be understood that the mandibular support provided in this application can also be used in other fields or other medical departments, and is not limited to the use of anesthesia surgery described in this application.

The described embodiments are only to describe the preferred embodiments of the present application, and do not limit the scope of the present application. On the premise of not departing from the design spirit of the present application, various modifications made by those of ordinary skill in the art to the technical solutions of the present application and improvements, shall fall within the scope of protection determined by the claims of this application.

Claims (11)

A mandibular support, comprising: the first rod body; a lift part, which is provided with a support part capable of holding up the lower jaw of the patient; the lift part is movably connected with the first rod body to control the first length between the support part and the first end of the first rod body; The second rod body is provided with a sliding seat that can move along the second rod body; the sliding seat is provided with a connecting seat, and the connecting seat is provided with a connecting piece connected with the first end of the first rod body; Wherein, at least a part of the connecting piece is located in the connecting seat and can be rotated in the connecting seat, so that the first rod body can be rotated in multiple directions. The chin support bracket according to claim 1, wherein the connecting piece and the connecting seat are selected from one of the following schemes: The first solution: the connecting piece is a ball head; the connecting seat is a ball head seat, and a first substantially spherical cavity is opened therein; at least a part of the ball head is located in the first cavity and can multi-directional rotation in a cavity; The second solution: a cylindrical second cavity is set in the connecting seat, the connecting piece is a cylinder and is located in the second cavity; the first end of the connecting piece is located outside the second cavity, and a third rotating shaft; the first end of the first rod body is connected with the third rotating shaft. The chin support bracket according to claim 2, wherein the second rod body is provided with a mounting portion for fixedly installing the second rod body; the mounting portion is an insert plate substantially perpendicular to the second rod body. The chin support bracket according to any one of claims 1-3, wherein the lifting portion is a sleeve sleeved on the first rod body, and the sleeve is movably connected with the first rod body to adjust the first rod body. One end to the first length of the holder. The chin support bracket according to claim 4, wherein the first rod body is provided with a plurality of parallel first grooves along the first moving direction; the sleeve is provided with a first hole and a first accommodating groove; the sleeve The cylinder is rotatably provided with a first adjusting plate, the first part of the first adjusting plate corresponds to the first hole, the first part of the first adjusting plate is provided with a first buckle, and the first buckle is located in the first hole The second part of the first adjusting plate corresponds to the first accommodating groove, and the first accommodating groove is provided with a first spring. The chin support bracket according to claim 5, wherein the first buckle is provided with a first inclined surface facing the support portion, which can be in contact with the first groove; and/or each of the first grooves is provided There is a second inclined surface facing the connecting piece, which can be in contact with the first buckle. The chin support bracket according to any one of claims 1-3, 5 or 6, wherein the movement of the sliding seat on the second rod body is selected from one of the following schemes: The third solution: the second rod body is provided with a plurality of parallel second grooves along the second moving direction; the sliding seat is provided with a second hole and a second accommodating groove; the sliding seat is rotatably provided with a second groove Adjustment plate, the first part of the second adjustment plate corresponds to the second hole, the first part of the second adjustment plate is provided with a second buckle, the second buckle is located in the second hole and can be engaged with the second groove ; the second part of the second adjusting plate corresponds to the second accommodating groove, and the second accommodating groove is provided with a second spring; The fourth solution: the second rod body includes a slide rail, and the slide seat is provided with a third groove matching the slide rail; the slide seat is also provided with a third adjusting member, including a first threaded rod and a A rotating head at the first end of the rod, wherein the rotating head is located outside the sliding seat, and the first threaded rod is threadedly connected with the sliding seat and extends to the third groove. The chin support bracket according to claim 7, wherein the length of the second rod body is 20-25cm; a connecting portion is provided between the second rod body and the mounting portion, wherein the mounting portion is mounted on the connecting portion, and the second rod body is first One end is movably connected with the connecting portion to adjust the second length of the mounting portion to the free end of the second rod body. The chin support bracket according to claim 8, wherein the connecting portion is selected from one of the following schemes: Fifth solution: the connecting part is a cylindrical structure; the first end of the second rod body is inserted into the cylindrical structure; the cylindrical structure is provided with one or more adjustment bolts that can interfere with the second rod body; The second rod body is provided with a fifth groove along the second moving direction; one end of the cylinder structure close to the sliding seat is provided with a first protrusion, which extends into the fifth groove; the first end of the second rod body is provided with a first protrusion The second protrusion extends into the fifth groove; so that the first protrusion can restrict the second protrusion from being separated from the cylindrical structure; The sixth solution: the connecting part is a U-shaped structure, and a plurality of teeth are arranged at intervals along the second moving direction, and a gap is formed between two adjacent teeth; an elastic member is provided on the second rod body , the elastic piece is located in the gap in the free state. The chin support bracket according to claim 2, wherein the first rod body and the ball head are detachably connected; wherein, the first rod body is provided with a third clip, the ball head is provided with a connecting body, and the connecting body is provided with An opening for engaging with the third clip is opened. An application of a mandibular support bracket, using the two mandibular support brackets described in any one of claims 1-10, which are arranged roughly symmetrically; The support parts of the mandibular support support respectively support the mandibles on both sides of the patient's face.

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