CN115300132A - A mouth-expanding anti-occlusal stent for ERCP surgery - Google Patents

Abstract

The invention discloses an ERCP (oral cavity surgery) mouth expansion anti-occlusion bracket, which comprises a movable seat, a limiting plate and a supporting plate, wherein a fixing plate is fixedly arranged on the surface of one side of the movable seat, a positioning block is embedded in the fixing plate, a screw rod penetrates through the positioning block, one end of the screw rod is welded with a knob, and the other end of the screw rod is provided with a connecting shaft. This interlock support is prevented in expansion of ERCP operation with mouth is provided with the locating piece, the screw rod, the knob, connecting axle and limiting plate, at the in-process of operation intubate, limiting plate through the rotation to knob and screw rod can drive both sides carries out the removal in opposite directions, so that adjust the distance between the limiting plate according to the specification of intubate, be favorable to carrying on spacingly to the intubate, avoid the intubate to rock at the in-process production of operation, the effect of intubate operation has been improved, the slipmat can carry out inseparable laminating with the head, prevent that this support from producing loosely ofly at the in-process that uses, the holistic stability in use of the device has been improved.

Description

Mouth expansion anti-bite bracket for ERCP operation

technical field

The invention relates to the field of medical technology, in particular to a mouth expansion anti-bite bracket for ERCP surgery.

Background technique

In the process of ERCP surgery, selective intubation is the basis for smooth ERCP diagnosis and treatment, and in the process of intubation, in order to prevent the damage of the intubation tube caused by the bite of the mouth and the accident of the operation, it is necessary to prevent the bite by expanding the mouth The stent expands the mouth to ensure the normal operation, but the existing mouth expansion anti-bite stent still has some defects during use;

For example, the application number CN202023187894.X proposes an oral fixation frame with an anti-occlusion function, which includes a tooth socket and a base. There is a support column, the bottom of the handheld frame is attached with a column, and the left side of the column is attached with an adhesion sleeve, and a cross bar is placed under the adhesion sleeve, and the base is located above the cross bar, and the base The upper right side of the seat is pasted with an isolation plate, and the right side of the base is welded with a lower ring buckle. Compared with the existing oral fixed frame, the oral cavity hand-held frame with anti-occlusion function can control the height of the pressure plate by tightening the knob when the device is in use through the cooperation between the knob and the pressure plate. The cooperation between the pressure plates makes the knob more stable and fixed on the top of the pressure plate; through the cooperation between the support column and the hand-held frame, it can better support the oral cavity evenly during use and is not easy to fall off. In actual use In the process, in the process of expanding and supporting the oral cavity, it is not convenient to adjust the occlusal bracket to support the oral cavity of different sizes. At the same time, the integrated structure of the anti-occlusal bracket causes the anti-occlusal bracket to easily produce Damage can also easily lead to numbness in the mouth, and it is easy to loosen during the process of fixing the anti-bite bracket.

Therefore, we propose a mouth expansion anti-bite bracket for ERCP surgery, in order to solve the above-mentioned problems.

Contents of the invention

The object of the present invention is to provide a mouth expansion anti-occlusal bracket for ERCP surgery, to solve the problem that the mouth expansion anti-occlusal bracket for ERCP surgery in the market is not convenient for the other side to adjust the anti-occlusal bracket for different sizes. The problem of loosening easily occurs in the process of supporting the oral cavity and fixing the anti-bite bracket.

In order to achieve the above object, the present invention provides the following technical solutions: a mouth expansion anti-occlusal bracket for ERCP surgery, including a movable seat, a limiting plate and a support plate, and a fixed plate is fixedly installed on one side of the movable seat. The inside of the fixed plate is inlaid with a positioning block, the inside of the positioning block is penetrated with a screw, one end of the screw is welded with a knob, the other end of the screw is installed with a connecting shaft, and the surface of the connecting shaft is sleeved with a limit An expansion board is fixedly installed on the other side of the movable seat, a positioning plate is installed on one side of the movable seat, a connecting groove is opened inside the positioning plate, and a limit rod is welded inside the connecting groove, The surface of the limit rod is wound with a first spring, one end of the first spring is fixedly connected to a support plate, a through hole is opened inside the support plate, and a connection hole is opened inside one end of the support plate, so The inside of the connection hole is fitted with a positioning rod, one end of the positioning rod is fixedly connected with the movable seat, and fixed seats are welded on both sides of the movable seat, and a chute is provided inside the fixed seat, and the chute A connecting plate is slidably connected to the inside of the connecting plate, and a tooth groove is opened inside the connecting plate, and a gear is meshed and connected to the inside of the tooth groove, and a positioning shaft is connected to one end of the gear. A connecting rod runs through the inside of the positioning shaft, one end of the connecting rod is welded with a top plate, one side of the top plate is fixedly connected with a second spring, one end of the second spring is fixedly connected with a tooth block, and the fixed One side of the seat is provided with a fitting groove corresponding to the tooth block, a mounting block is installed on one side surface of the fixing seat, a fixing belt is fixedly installed on one end of the fixing block, and one side of the fixing belt is fitted There is a connecting belt, a connecting buckle runs through the inside of the connecting belt and the fixing belt, a buckle is installed at one end of the connecting belt, a braided belt is inserted inside the buckle, and a non-slip mat is installed at one end of the braided belt .

Preferably, the screw is screwed to the positioning block, and the screw is arranged symmetrically with respect to the transverse centerline of the movable seat, and the screw is rotatably connected to the limiting plate through a connecting shaft, and the limiting plate is in an arc shape.

With the design of the above structure, the rotation of the screw rod can drive the limiting plate to move towards each other through the connecting shaft, so that the limiting plate can limit the position of the intubation tube and improve the stability of the intubation tube.

Preferably, the expansion board is arranged at an equal angle on one side of the movable seat, and the expansion board is arranged in an arc-shaped structure.

With the design of the above structure, it is convenient for the expansion board to expand the inside of the oral cavity, and the arc-shaped structure of the expansion board can make the expansion board fit the oral cavity better.

Preferably, the size of one end of the support plate coincides with the size of the connection groove, and through holes are equally spaced inside the support plate, and the support plate forms a telescopic structure through the first spring and the connection groove.

The design of the above structure facilitates the stable sliding of the support plate inside the positioning plate through the connecting groove, and improves the stability of the support plate for the expansion of the oral cavity.

Preferably, the support plate is slidably connected to the positioning rod through the connecting hole, and the size of the connecting hole matches the size of the positioning rod.

With the design of the above structure, the positioning rod can stably limit the support plate through the connection hole, avoid shaking and deviation of the support plate during the sliding process, and improve the support of the support plate and the stability of the sliding work.

Preferably, the connecting plate and the tooth groove are arranged symmetrically with respect to the center line of the movable seat, and the connecting rod is meshed with the tooth groove through a gear, and the connecting rod is rotationally connected with the movable seat through a positioning shaft.

With the design of the above structure, the movable seat can be effectively driven up and down through the rotation of the gear and the setting of the tooth groove, which can facilitate the position adjustment of the movable seat on both sides, and is beneficial to adjust the device according to the size of the oral cavity. The fit between the anti-bite bracket and the oral cavity is improved.

Preferably, the tooth block forms a telescopic structure with the connecting rod through the second spring, and the middle part of the connecting rod is a square structure, and the tooth block is spline connected with the movable seat through a fitting groove.

With the design of the above structure, the second spring can push the tooth block to slide on the connecting rod, so as to facilitate the engagement between the tooth block and the fitting groove, effectively position the gear and the adjusted movable seat, and improve the The convenience of device adjustment work and the adaptability of use.

Preferably, the fixing belt is fixedly connected to the connecting belt through a connecting buckle, and the connecting belt is movably connected to the braided belt through a buckle, and the braided belt is installed symmetrically with respect to the anti-skid pad.

The design of the above structure is used to adjust the length of the connecting belt and the braided belt, and the device can be effectively adjusted according to the size of the head, so that the anti-skid pad and the head can be closely fitted, and the use of the device is improved. stability.

Compared with the prior art, the beneficial effect of the present invention is: the ERCP operation mouth expansion anti-occlusal bracket;

1. It is equipped with a positioning block, a screw, a knob, a connecting shaft and a limit plate. In the process of surgical intubation, the limit plates on both sides can be driven to move towards each other by rotating the knob and screw, so as to facilitate the intubation according to the The specifications adjust the distance between the limit plates, which is beneficial to limit the position of the intubation, avoid the shaking of the intubation during the operation, and improve the effect of the intubation operation;

2. It is provided with a positioning plate, a limit rod, a first spring and a support plate. When the support plate is squeezed, it can slide on the limit rod and at the same time squeeze the first spring so that the first spring can support the The plate produces a reaction force, which can effectively buffer the anti-bite bracket, and the sliding of the support plate within a certain range can also prevent the oral cavity from maintaining a fixed expansion state, and can move the oral cavity within a certain range to avoid numbness in the oral cavity. Improve the overall use comfort of the bracket;

3. It is equipped with a fixed seat, a chute, a tooth groove and a gear, so that during the use of the device, the rotation of the gear can drive the connecting plate to slide inside the chute, so that it is convenient to adjust the distance between the movable seats on both sides. It is adjusted so that the bracket can be adjusted according to different sizes of the mouth, which is conducive to the tight fit and support of the bracket to the mouth, and at the same time helps to improve the adaptability of the bracket;

4. There are buckles, elastic bands and anti-slip pads. The buckles can cooperate with the connecting belt and braided belt to tighten the anti-slip pads so that the anti-slip pads can fit closely with the head and prevent the bracket from being damaged during use. Loosening improves the overall use stability of the device.

Description of drawings

Fig. 1 is the schematic diagram of side view appearance structure of the present invention;

Fig. 2 is a schematic diagram of the connection structure of the movable seat of the present invention;

Fig. 3 is a schematic diagram of the cross-sectional structure of the connection between the positioning plate and the support plate of the present invention;

Fig. 4 is a schematic diagram of the cross-sectional structure of the movable seat connection of the present invention;

Fig. 5 is a schematic diagram of the connection structure between the gear and the connecting rod of the present invention;

Fig. 6 is a schematic diagram of the connecting structure of the connecting belt and the braided belt of the present invention;

Fig. 7 is a schematic diagram of the enlarged structure at A in Fig. 1 of the present invention.

In the figure: 1. movable seat; 2. fixed plate; 3. positioning block; 4. screw; 5. knob; 6. connecting shaft; 7. limit plate; 8. expansion board; 9. positioning plate; 10. connection Slot; 11, limit rod; 12, first spring; 13, support plate; 14, through hole; 15, connection hole; 16, positioning rod; 17, fixed seat; 18, chute; , tooth groove; 21, gear; 22, positioning shaft; 23, connecting rod; 24, top plate; 25, second spring; 26, gear block; 27, fitting groove; 28, installation block; , connecting belt; 31, connecting buckle; 32, plug buckle; 33, braided belt; 34, non-slip mat.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 1-2, the present invention provides a technical solution: a mouth expansion anti-bite bracket for ERCP surgery, including a movable seat 1, a limiting plate 7 and a support plate 13, and one side surface of the movable seat 1 is fixedly installed There is a fixed plate 2, the inside of the fixed plate 2 is inlaid with a positioning block 3, the inside of the positioning block 3 is penetrated with a screw 4, the screw 4 is threaded with the positioning block 3, and the screw 4 is arranged symmetrically about the transverse center line of the movable seat 1, and the screw One end of 4 is welded with a knob 5, the other end of the screw rod 4 is equipped with a connecting shaft 6, the surface of the connecting shaft 6 is sleeved with a limiting plate 7, the screw 4 is rotationally connected with the limiting plate 7 through the connecting shaft 6, and the limiting plate 7 The shape is an arc structure, wherein the threaded connection between the screw rod 4 and the positioning block 3 is convenient for the screw rod 4 to rotate and move, and at the same time it is convenient to drive the limit plate 7 to move toward each other, so as to adjust the limit plate 7 and perform the intubation. Limit the position to avoid shaking of the cannula during the operation.

As specifically shown in Figure 1-2, an expansion board 8 is fixedly installed on the other side of the movable seat 1. The expansion board 8 is arranged at an equal angle on one side of the movable seat 1, and the expansion board 8 is arranged in an arc-shaped structure. The arc-shaped setting of the board 8 can make it fit closely with the inside of the oral cavity, and the equiangular setting of the expansion board 8 also facilitates the expansion of the oral cavity from multiple angles.

Specifically as shown in Figures 1-3, a positioning plate 9 is installed on one side of the movable seat 1, and a connecting groove 10 is opened inside the positioning plate 9, and the inside of the connecting groove 10 is welded with a limit rod 11, and the surface of the limit rod 11 is wound There is a first spring 12, one end of the first spring 12 is fixedly connected with a support plate 13, the support plate 13 forms a telescopic structure with the connection groove 10 through the first spring 12, and the size of one end of the support plate 13 matches the size of the connection groove 10, The inside of the support plate 13 is provided with through holes 14, and the inside of the support plate 13 is provided with through holes 14 at equal intervals, wherein the connecting groove 10 can limit the sliding of the support plate 13 to prevent the support plate 13 from shaking, and the first The setting of the spring 12 can buffer and rebound the support plate 13, so that the opening and closing of the oral cavity can cause damage to the support plate 13, and the sliding of the support plate 13 can also provide a certain range of motion for the oral cavity, preventing the oral cavity from being loosened due to long-term expansion Produce numbness.

Specifically as shown in Figure 2-3, a connection hole 15 is provided inside one end of the support plate 13, and a positioning rod 16 is attached to the inside of the connection hole 15, and the size of the connection hole 15 matches the size of the positioning rod 16. 13 is slidingly connected with the positioning rod 16 through the connecting hole 15, and one end of the positioning rod 16 is fixedly connected with the movable seat 1, wherein the positioning rod 16 can limit the position of the supporting plate 13 through the connecting hole 15, so as to prevent the supporting plate 13 from sliding Shaking occurs, which improves the fit between the support plate 13 and the oral cavity, and also improves the sliding stability of the support plate 13 .

Specifically as shown in Figures 1-4, fixed seats 17 are welded on both sides of the movable seat 1, and a chute 18 is provided inside the fixed seat 17, and a connecting plate 19 is slidably connected to the inside of the chute 18, and the inside of the connecting plate 19 is opened. There is a tooth groove 20, the connecting plate 19 and the tooth groove 20 are arranged symmetrically about the center line of the movable seat 1, the inner meshing connection of the tooth groove 20 is connected with a gear 21, and the connecting rod 23 is meshed with the tooth groove 20 through the gear 21, and the gear 21 One end is connected with a positioning shaft 22 . The inside of the positioning shaft 22 is penetrated with a connecting rod 23, the connecting rod 23 is rotationally connected with the movable seat 1 through the positioning shaft 22, wherein the connecting rod 23 can drive the gear 21 to rotate inside the tooth groove 20, and can drive the movement through the tooth groove 20 The base 1 is lifted and lowered on the connecting plate 19, so as to expand the movable base 1 and the expansion plate 8, which improves the convenience of adjusting the device and the practicability of the device.

Specifically as shown in Figures 1-5, one end of the connecting rod 23 is welded with a top plate 24, and the middle part of the connecting rod 23 is a square structure, one side of the top plate 24 is fixedly connected with a second spring 25, and one end of the second spring 25 is fixedly connected There is a tooth block 26, the tooth block 26 forms a telescopic structure through the second spring 25 and the connecting rod 23, and one side of the fixed seat 17 is provided with a fitting groove 27 corresponding to the tooth block 26, and the tooth block 26 is connected to the tooth block 27 through the fitting groove 27. The movable seat 1 is spline-connected, wherein the square structure of the connecting rod 23 facilitates engagement with the tooth block 26 while the tooth block 26 can slide, so that the tooth block 26 drives the gear 21 to rotate through the connecting rod 23, At the same time, the second spring 25 can also push the gear block 26 to engage with the fitting groove 27 , so as to adjust and fix the movable seat 1 by positioning the gear 21 .

Specifically as shown in Figures 1-7, a mounting block 28 is installed on one side of the fixing base 17, and a fixing band 29 is fixedly installed on one end of the mounting block 28, and a connecting band 30 is attached to one side of the fixing band 29, and the connecting band 30 And the inside of the fixing belt 29 runs through a connecting buckle 31, the fixing belt 29 is fixedly connected with the connecting belt 30 by the connecting buckle 31, and one end of the connecting belt 30 is equipped with a buckle 32, and the inside of the buckle 32 is interspersed with a braided belt 33, and connected Belt 30 is movably connected with braid 33 by buckle 32, and one end of braid 33 is equipped with anti-skid pad 34, and braid 33 is installed symmetrically about anti-skid pad 34, and wherein the setting of buckle 32 is convenient to pull braid 33, so that Tightening the anti-slip pad 34 improves the fit between the anti-slip pad 34 and the head and improves the stability of the device.

Working principle: When using the mouth expansion anti-bite support for ERCP surgery, first insert the device into the oral cavity as shown in Figure 1 and Figure 6, and then pull the braid 33 so that the braid 33 is inserted into the buckle 32 slides inside, and drives the anti-skid pad 34 to closely fit the head, and the rotation of the knob 5 drives the screw 4 to rotate and move inside the positioning block 3, and at the same time, the knob 5 drives the limit plate 7 to insert The tube can be used to limit the position, thereby completing the fixing work of the other side's occlusal bracket, so that it is convenient to start the operation work.

In the process of use, as shown in Figure 2 and Figure 3-5, the rotation of the tooth block 26 drives the connecting rod 23 and the gear 21 to rotate, and then the gear 21 will engage and rotate inside the connecting plate 19 through the tooth groove 20 At the same time, it drives the top movable seat 1 and the fixed seat 17 to perform lifting work on the connecting plate 19 through the chute 18. When the positions of the movable seats 1 on both sides are appropriate, it can drive the support plate 13 and the expansion plate 8 to closely connect with the inside of the oral cavity. Fitting, then the second spring 25 will push the tooth block 26 to slide on the connecting rod 23, and at the same time the tooth block 26 will also form engagement with the fitting groove 27, thereby completing the adjustment and fixing of the movable seat 1, when the oral cavity When the support plate 13 is squeezed, the support plate 13 will slide in the inside of the connecting groove 10 and the surface of the limit rod 11, and at the same time, the support plate 13 will squeeze the first spring 12, so that the first spring 12 can The support plate 13 performs buffering work, and can also provide a certain range of motion for the oral cavity during the telescopic process, and the positioning rod 16 can also limit the position of the support plate 13 through the connecting hole 15 during the sliding process.

A series of tasks are thus completed, and the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principles of the present invention, any modifications, equivalent replacements, improvements, etc., shall be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides an ERCP operation is with mouth expansion bite-preventing support, includes sliding seat (1), limiting plate (7) and backup pad (13), its characterized in that: a fixed plate (2) is fixedly mounted on the surface of one side of the movable seat (1), a positioning block (3) is inlaid in the fixed plate (2), a screw (4) penetrates through the positioning block (3), a knob (5) is welded at one end of the screw (4), a connecting shaft (6) is mounted at the other end of the screw (4), a limiting plate (7) is sleeved on the surface of the connecting shaft (6), an expansion plate (8) is fixedly mounted at the other side of the movable seat (1), a positioning plate (9) is mounted at one side of the movable seat (1), a connecting groove (10) is formed in the positioning plate (9), a limiting rod (11) is welded in the connecting groove (10), a first spring (12) is wound on the surface of the limiting rod (11), a supporting plate (13) is fixedly connected with one end of the first spring (12), a through hole (14) is formed in the supporting plate (13), a connecting hole (15) is formed in one end of the supporting plate (13), a positioning rod (16) is attached in the connecting hole (15), one end of the positioning rod (16) is fixedly connected with the movable seat (1), and a sliding groove (17) is formed in the fixed seat (17), the utility model discloses a fixing device for a shoe, including spout (18), connecting plate (19), tooth's socket (20) have been seted up to the inside sliding connection of spout (18), the inside meshing of tooth's socket (20) is connected with gear (21), the one end of gear (21) is connected with location axle (22), the inside of location axle (22) is run through and is had connecting rod (23), the one end welding of connecting rod (23) has roof (24), one side fixedly connected with second spring (25) of roof (24), the one end fixedly connected with tooth piece (26) of second spring (25), laminating groove (27) corresponding with tooth piece (26) are seted up to one side of fixing base (17), one side surface mounting of fixing base (17) has installing block (28), the one end fixed mounting of installing block (28) has fixed band (29), the one side laminating of fixed band (29) has connecting band (30), the inside of connecting band (30) and fixed band (29) is run through and is had connector link (31), eye-splice (32) are installed to the one end of connecting band (32), the interior of eye-splice (32) has woven braid pad (33), woven bag (34) is installed.

2. The mouth expanding anti-bite stent for ERCP surgery as claimed in claim 1, wherein: screw rod (4) and locating piece (3) threaded connection, and screw rod (4) are about the horizontal central line symmetry setting of sliding seat (1), screw rod (4) are connected through connecting axle (6) and limiting plate (7) rotation, and the shape of limiting plate (7) is the arc structure.

3. The mouth expanding anti-bite stent for ERCP surgery as claimed in claim 1, wherein: the expansion board (8) is arranged at one side of the movable seat (1) at an equal angle, and the expansion board (8) is arranged in an arc structure.

4. The mouth expanding anti-bite stent for ERCP surgery as claimed in claim 1, wherein: one end size of backup pad (13) is identical with the size of spread groove (10), and through-hole (14) have been seted up to the inside equidistant of backup pad (13), backup pad (13) constitute extending structure through first spring (12) and spread groove (10).

5. The mouth expanding anti-bite stent for ERCP surgery as claimed in claim 1, wherein: the supporting plate (13) is in sliding connection with the positioning rod (16) through a connecting hole (15), and the size of the connecting hole (15) is matched with that of the positioning rod (16).

6. The mouth expanding anti-bite stent for ERCP surgery as claimed in claim 1, wherein: connecting plate (19) and tooth's socket (20) are around the central line symmetry setting of sliding seat (1), and connecting rod (23) pass through gear (21) and be connected with tooth's socket (20) meshing, connecting rod (23) are connected with sliding seat (1) rotation through location axle (22).

7. The mouth expanding anti-bite stent for ERCP surgery as claimed in claim 1, wherein: tooth piece (26) constitute extending structure through second spring (25) and connecting rod (23), and the middle part of connecting rod (23) is square structure, tooth piece (26) are through laminating groove (27) and sliding seat (1) splined connection.

8. The mouth expanding anti-bite stent for ERCP surgery according to claim 1, wherein: the fixing strap (29) is fixedly connected with the connecting strap (30) through a connecting buckle (31), the connecting strap (30) is movably connected with the woven strap (33) through a plug buckle (32), and the woven strap (33) is symmetrically arranged relative to the non-slip mat (34).

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