CN107456646B

CN107456646B - Stomach tube

Info

Publication number: CN107456646B
Application number: CN201710603235.3A
Authority: CN
Inventors: 吉文龙
Original assignee: Ningbo Luke Medical Devices Co ltd
Current assignee: Ningbo Luke Medical Devices Co ltd
Priority date: 2017-07-22
Filing date: 2017-07-22
Publication date: 2020-08-28
Anticipated expiration: 2037-07-22
Also published as: CN107456646A

Abstract

The invention discloses a stomach tube, which solves the problem that medical staff know the length of the stomach tube in pulling out or inserting according to the nursing experience of the medical staff in the operation of pulling out and inserting the stomach tube, and the stomach tube is easy to damage the mucosa of the esophagus or the stomach tube due to too long or too short stomach tube insertion without uniform operation specification and operating hands, and the key points of the technical scheme are as follows: the stomach tube is convenient for medical personnel to correctly master the length of the stomach tube which is pulled out or inserted, and the occurrence of the condition that the mucosa of the esophagus or the stomach tract is damaged due to incorrect insertion of the stomach tube is avoided.

Description

Stomach tube

Technical Field

The invention relates to the field of medical instruments, in particular to a stomach tube.

Background

The stomach tube is used as a clinical common medical appliance, is widely applied to gastrointestinal decompression of gastrointestinal tract operation patients, can not normally eat nutrient substances of the patients and the like, and is used for carrying out decompression drainage on the patients or automatically eating the critical patients with dysfunction and needing gastrointestinal nutrition life support.

In the practical use process, in order to prevent the stomach tube from pressing the mucosa of the esophagus or the stomach tract of a human body, a nursing staff needs to regularly pull out or insert the stomach tube for a certain distance, for example, the nursing staff pulls out the stomach tube by 1.0cm to 2.0cm in the morning and inserts the stomach tube by 1.0cm to 2.0cm in the evening, so that the stomach tube is effectively prevented from pressing the mucosa of the esophagus or the stomach tract for a long time to be damaged, and in the pulling-out and inserting operation, the medical staff can master the pulling-out or inserting length of the stomach tube according to the nursing experience of the medical staff.

Disclosure of Invention

The invention aims to provide a gastric tube, which is convenient for medical staff to correctly master the extraction or insertion length of the gastric tube and avoids the condition that mucosa of esophagus or gastric tract is damaged due to incorrect insertion of the gastric tube.

The technical purpose of the invention is realized by the following technical scheme:

the utility model provides a stomach tube, includes the stomach tube body, still locates the position sleeve body of stomach tube body lateral wall including the cover, the position sleeve body sets up an entry port and the delivery outlet that cooperation stomach tube body passes through respectively on its preceding, rear side wall, the internal distance detection device that is equipped with of position sleeve, distance detection device is connected with the actuating mechanism who is controlled by distance detection device, actuating mechanism connects in distance indicating mechanism.

Adopt above-mentioned scheme, can realize detecting the distance that the stomach tube body removed through the internal distance detection device of position sleeve, and because distance detection device connects in actuating mechanism, so distance that distance detection device detected can use actuating mechanism to carry out the instruction of relevant position for middle bridge messenger corresponding distance indicating mechanism to the user is comparatively accurate obtains the distance that the stomach tube body removed.

Preferably, the distance detecting device includes a roller body disposed in the fixing sleeve body and abutted against the gastric tube body, a driving shaft vertically fixed to the center of the roller body and having two ends penetrating through the positioning sleeve body and connected to the driving mechanism, and a limiting mechanism for limiting the movement of the positioning sleeve body.

Adopt above-mentioned scheme, can effectively transmit the displacement distance of stomach tube body for actuating mechanism indirectly through the setting of roller body, and the stop gear that here set up can effectively avoid the position sleeve body to appear removing in the use, and further convenience of customers acquires the accurate distance that the stomach tube body removed.

Preferably, stop gear includes that one end sets up and wears to establish out the through-rod of the position sleeve body and butt in the stomach tube body near stomach tube body one side and the other end and sets up in being close to stomach tube body one side and perpendicular fixed connection in the locating plate of through-rod, both ends respectively fixed connection in the position sleeve body and locating plate and cover locate through-rod and be close to the first elastic component of stomach tube body with the drive locating plate, still including being used for keeping the through-rod keep away from the position retaining mechanism of stomach tube body.

Adopt above-mentioned scheme, use the lift that realizes the logical pole through the setting of logical pole, locating plate and mutually supporting of first elastic component, and can realize the removal of stomach tube body on the position sleeve body through the lift to the logical pole, in addition, can effectively realize the location to the logical pole so that the stomach tube body freely removes on the position sleeve body through holding mechanism's setting.

Preferably, a shifting plate is arranged at one end of the through rod, which is far away from the stomach tube body, the position maintaining mechanism comprises a fixed plate and hinged plates, the fixed plate is located below the shifting plate and fixedly connected to the stomach tube body, the fixed plate is symmetrically distributed, the hinged plates are hinged to the fixed plate, and a positioning groove for inserting the hinged plates is formed in one end of the shifting plate, which is close to the hinged plates.

By adopting the scheme, the hinged plate hinged to the fixed plate can be effectively inserted into the positioning groove through the hinged plate when needed, so that the through rod is kept away from the concave groove, and the positioning sleeve body is convenient to move.

Preferably, the driving mechanism comprises a third gear connected to the driving shaft, a horizontal moving assembly connected to the third gear to drive the third gear to move horizontally, a first gear and a second gear which are respectively arranged on two sides of the third gear and meshed with the third gear, a first transmission wheel fixedly connected to the first gear, a second transmission wheel fixedly connected to the second gear, and an adjusting assembly connected to the first gear to adjust rotation of the first gear, wherein a clamping plate is arranged on one side of the third gear close to the driving shaft, a clamping groove for clamping the clamping plate is formed in the driving shaft, and the distance indicating mechanism comprises a distance measuring belt and a marking rod, wherein the distance measuring belt is simultaneously rotatably connected to the first transmission wheel and the second transmission wheel, and the marking rod is fixedly connected to the shifting plate.

By adopting the above scheme, the third gear can be effectively driven to move in the horizontal direction through the arrangement of the third gear and the horizontal moving component, the first gear can be effectively driven to rotate by adjusting the adjusting component when the third gear is in horizontal movement, the rotation of the distance measuring belt can be correspondingly driven through the rotation of the first gear, and the adjustment of a user on the distance measuring belt is facilitated.

As preferred, the position sleeve body constitutes for transparent material, the horizontal migration subassembly includes that one end fixed connection wears to establish the connecting rod of the position sleeve body in third gear and the other end, sets up in the limiting plate that is close to one side of third gear and perpendicular fixed connection in the connecting rod, one end fixed connection in limiting plate and other end butt and encircle locate the second elastic component that the connecting rod is close to the third gear in order to order about the limiting plate in the position sleeve body.

By adopting the scheme, the connecting rod is arranged to facilitate the stomach tube to move at ordinary times, the distance measuring belt is effectively driven to move, and the limiting plate, the second elastic piece and the locating sleeve are arranged to effectively facilitate medical workers to avoid the rotation of the distance measuring belt from influencing the movement of the roller body so as to effectively avoid the rotation of the roller body.

Preferably, one side of the connecting rod, which is far away from the third gear, is fixedly connected with a rotating wheel, and the rotating wheel is fixedly connected with the pull ring.

Adopt above-mentioned scheme, set up through the runner and made things convenient for the rotation of user to the third gear, made things convenient for the user to resume original and first gear, second gear meshing state after removing through the rotation to the third gear, and set up through the pull ring and made things convenient for medical personnel to the horizontal migration of third gear, and can effectively avoid the removal that can avoid driving the roller body when needs independent adjustment distance measurement area through the horizontal migration to the third gear.

As preferred, the adjusting part includes fixed connection in first drive wheel and wears to establish the transfer line and the fixed connection of the position sleeve body and keeps away from the spacing wheel of first gear in the transfer line, spacing wheel circumference is provided with a plurality of recesses, still including set up in the outer terminal surface of stomach tube body and be close to the fixed length piece of spacing wheel, set up in the spout of fixed length piece, sliding connection in the slide bar of spout and set up between the cell wall of slide bar and spout in order to order about the slide bar and keep away from the third elastic component of spacing wheel, the perpendicular fixedly connected with of slide bar is used for inserting the inserted bar to the recess, a plurality of confession inserted bar male wearing grooves are evenly seted up along its circumference to the runner, still including the spacing subassembly that is used for restricting.

Adopt above-mentioned scheme, through a plurality of recesses and perpendicular fixed connection on the spacing round in the inserted bar of slide bar effectively made things convenient for cooperation between them to use, can further control the removal of stomach tube, in addition, because the wearing groove and the inserted bar setting on the runner can conveniently carry on spacingly to the spacing round, avoid the spacing ring to reply with first gear and second gear meshing state.

Preferably, the limiting assembly comprises a limiting sleeve arranged close to the sliding groove and a screw rod connected to the limiting sleeve in a threaded mode, and one side, close to the screw rod, of the inserted rod is provided with a slot for the screw rod to insert.

By adopting the scheme, the limiting of the insertion rod is facilitated through the limiting sleeve and the screw rod, and the situation that the screw rod is lost can be effectively avoided due to the threaded connection of the screw rod in the limiting sleeve when the limiting is not needed.

As preferred, the locating sleeve body includes first cover body and the second cover body, the through-hole has been seted up in one side that deviates from stop gear to the first cover body, the second cover body is in one side fixedly connected with locating piece that deviates from stop gear and set up the spacing groove in the locating piece, the spacing inslot slides and is connected with the gag lever post that is used for inserting to the through-hole, still includes one end fixed connection in the extension spring of gag lever post in order to stimulate gag lever post to the spacing groove in spacing groove and other end fixed connection.

By adopting the scheme, the positioning sleeve body is divided into the first sleeve body and the second sleeve body, so that the user can conveniently detach and connect the first sleeve body and the second sleeve body, and the specific detachable structure can effectively detach and connect the first sleeve body and the second sleeve body through the inserted rod, the tension spring and the through hole at the position of the first sleeve body, which slide in the limiting groove.

In conclusion, the invention has the following beneficial effects:

1. the moving distance of the stomach tube can be conveniently and accurately measured through the arrangement of the distance detection device, the driving mechanism and the distance measuring belt, and in addition, the arrangement of the marking rod can facilitate medical personnel to more accurately record the moving distance of the distance measuring belt;

2. through the arrangement of the horizontal moving assembly, the adjusting assembly and the inserting rod, medical workers can adjust the distance measuring belt conveniently, and the position of the inserting rod can be controlled through the arrangement of the inserting rod, the third elastic part, the limiting sleeve and the screw rod.

Drawings

Fig. 1 is a schematic view of a gastric tube;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion D of FIG. 2;

fig. 4 is a first exploded view of a gastric tube;

fig. 5 is a first cross-sectional view of a gastric tube;

fig. 6 is a second schematic diagram of an explosion of a gastric tube;

FIG. 7 is an enlarged view of portion C of FIG. 5;

fig. 8 is a second cross-sectional view of a gastric tube;

fig. 9 is a third sectional view of a gastric tube;

fig. 10 is an enlarged view of a portion B in fig. 1.

In the figure: 1. a stomach tube body; 2. positioning the sleeve body; 3. a roller body; 4. a distance detection device; 5. a drive shaft; 6. a distance indicating mechanism; 7. a drive mechanism; 8. a distance measuring band; 9. a limiting mechanism; 10. a marker post; 11. a limiting component; 12. a poking plate; 13. a fixing plate; 14. a hinge plate; 15. positioning a groove; 16. an inlet port; 17. an output port; 18. a communication joint; 19. a suction hole; 21. a first sleeve body; 22. a second sleeve body; 23. a position holding mechanism; 211. a through hole; 221. a limiting groove; 222. a limiting rod; 223. a tension spring; 224. positioning blocks; 91. a through rod; 92. positioning a plate; 93. a first elastic member; 94. a stationary ring plate; 95. a recessed groove; 71. a third gear; 72. a horizontal movement assembly; 73. a first gear; 74. a second gear; 75. a first drive pulley; 76. a second transmission wheel; 77. a clamping and connecting plate; 78. a card slot; 80. an adjustment assembly; 721. a connecting rod; 722. a pull ring; 723. a limiting plate; 724. a second elastic member; 725. a rotating wheel; 726. penetrating a groove; 801. a transmission rod; 802. a limiting wheel; 803. a groove; 804. a chute; 805. a slide bar; 806. a third elastic member; 807. inserting a rod; 808. fixing the long block; 8071. a slot; 111. a limiting sleeve; 112. a screw.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and 10, the gastric tube disclosed in this embodiment includes a gastric tube body 1, the positioning body 1 is provided with a communication joint 18 at a front end thereof, the positioning body 1 is provided with a plurality of circumferentially distributed suction holes 19 on an outer wall at a rear end thereof, a cross section of each suction hole 19 is arranged in a circular shape, and the communication joint 18 is connected with a negative pressure device so that the suction holes 19 can suck gastric juice and contents in the stomach through the negative pressure device and can be extracted out of the human body.

As shown in fig. 2 and 4, a stomach tube further comprises a positioning sleeve body 2 sleeved on the outer side wall of the stomach tube body 1, the positioning sleeve body 2 is made of transparent materials so that a user can know the internal structure of the positioning sleeve body, the positioning sleeve body 2 is provided with an inlet 16 and an outlet 17 on the front side wall and the rear side wall of the positioning sleeve body respectively, the positioning sleeve body 2 is internally provided with a distance detection device 4, the distance detection device 4 is connected with a driving mechanism 7 controlled by the distance detection device 4, and the driving mechanism 7 is connected with a distance indication mechanism 6.

As shown in fig. 4, 5, distance detection device 4 is including setting up in the position sleeve body 2 and butt in the running roller body 3 of stomach tube body 1, the perpendicular fixed centre of a circle and both ends of wearing to locate running roller body 3 wear out the position sleeve body 2 respectively and be connected in actuating mechanism 7's drive shaft 5, the quantity of the running roller body 3 of here is preferred two and be about the stomach tube and be the symmetry setting, drive shaft 5 is the cylinder and wears out the position sleeve body 2, drive shaft 5 is in the rotation of surpassing the one end fixedly connected with handle of the position sleeve body 2 so that medical personnel, drive shaft 5 connects in actuating mechanism 7 simultaneously.

As shown in fig. 2 and 8, correspondingly, in order to maintain the accuracy of distance measurement, the device further includes a limiting mechanism 9 for limiting the movement of the positioning sleeve 2, wherein the limiting mechanism 9 includes a through rod 91 having one end disposed at one side close to the gastric tube body 1 and the other end penetrating through the positioning sleeve 2 and abutting against the gastric tube body 1, a positioning plate 92 disposed at one side close to the gastric tube body 1 and vertically and fixedly connected to the through rod 91, a first elastic member 93 having two ends respectively fixedly connected to the positioning sleeve 2 and the positioning plate 92 and sleeved on the through rod 91 to drive the positioning plate 92 to be close to the gastric tube body 1, the through rod 91 is provided with a toggling plate 12 at one end far from the gastric tube body 1, the through rod 91 is a cylinder, the positioning plate 92 is circular, the positioning plate 92 has a cross section which is circular and is larger than the through rod 91, the first elastic member 93 is preferably a spring, the cross section of the toggling plate 12 is, in addition, the stomach tube fixing device further comprises a position retaining mechanism 23 for keeping the through rod 91 away from the stomach tube body 1, wherein the position retaining mechanism 23 comprises two fixing plates 13 which are positioned below the poking plate 12 and fixedly connected to the stomach tube body 1 and symmetrically distributed, and hinge plates 14 hinged to the fixing plates 13, the fixing plates 13 are symmetrically distributed, one end, close to the hinge plates 14, of the poking plate 12 is provided with a positioning groove 15 for inserting the hinge plates 14, the hinge plates 14 are rectangular, the corresponding positioning grooves 15 are also rectangular, and in order to effectively lift the poking plate 12, the height of the hinge plates 14 is larger than the depth of the positioning grooves 15.

The specific working processes of the limiting mechanism 9 and the position holding mechanism 23 are as follows: when the stomach tube needs to be moved, the poking plate 12 is pulled to move the poking plate 12 for a certain distance, meanwhile, the hinged plate 14 is rotated to enable the hinged plate 14 to be inserted into the positioning groove 15 of the poking plate 12 so as to raise the height of the hinged plate 14, the through rod 91 is separated from the positioning groove 15, and at the moment, the stomach tube body 1 can be moved on the positioning sleeve body 2; when the stomach tube needs to be limited, the poking plate 12 is lifted in the process, and then the hinged plate 14 is rotated to prevent the hinged plate 14 from being inserted into the positioning groove 15, so that the stomach tube body 1 can be positioned.

As shown in fig. 7, the driving mechanism 7 includes a third gear 71 connected to the driving shaft 5, a horizontal moving assembly 72 connected to the third gear 71 to drive the third gear 71 to move horizontally, a first gear 73 and a second gear 74 respectively disposed at two sides of the third gear 71 and engaged with the third gear 71, a first transmission wheel 75 fixedly connected to the first gear 73, a second transmission wheel 76 fixedly connected to the second gear 74, and an adjusting assembly 80 connected to the first gear 73 to adjust the rotation of the first gear 73, the third gear 71 is provided with a locking plate 77 at a side close to the driving shaft 5, the driving shaft 5 is provided with a locking groove 78 for the locking plate 77 to lock, wherein the diameter of the first gear 73 and the diameter of the second gear 74 are half of the diameter of the upper roller body 3, and the driving mechanism 7 is disposed to enable the rotating distance of the upper roller body 3 or the lower roller body 3 to pass through the first gear 73, The cooperative use of the second gear 74 is converted into the distance measured by the distance measuring belt 8, and the distance indicating mechanism 6 includes the distance measuring belt 8 rotatably connected to the first driving wheel 75 and the second driving wheel 76 at the same time, and the marking bar 10 fixedly connected to the toggling plate 12, wherein the distance measuring belt 8 is provided with a scale, and the marking bar 10 is triangularly arranged to indicate the scale on which the distance measuring belt 8 is arranged so as to facilitate the user to accurately know the scale.

The corresponding horizontal moving assembly 72 includes a connecting rod 721 having one end fixedly connected to the third gear 71 and the other end penetrating through the positioning sleeve 2, a limiting plate 723 disposed on a side close to the third gear 71 and vertically and fixedly connected to the connecting rod 721, a second elastic member 724 having one end fixedly connected to the limiting plate 723 and one end abutting against the positioning sleeve 2 and annularly disposed on the connecting rod 721 to drive the limiting plate 723 to be close to the third gear 71, wherein the connecting rod 721 is disposed in a cylindrical shape, the second elastic member 724 is preferably a spring, the connecting rod 721 is further fixedly connected to a rotating wheel 725 on a side far from the third gear 71, a cross section of the rotating wheel 725 is disposed in a circular shape, and in order to facilitate the medical staff to horizontally move the rotating wheel 725, the rotating wheel 725 is fixedly connected to the pull ring 722, and the pull ring 722 is disposed in a.

As shown in fig. 2, 3 and 9, the adjusting assembly 80 includes a transmission rod 801 fixedly connected to the first transmission wheel 75 and penetrating through the positioning sleeve 2, a spacing wheel 802 fixedly connected to the transmission rod 801 and far away from the first gear 73, the spacing wheel 802 having a handle on an upper end surface thereof for rotation by medical personnel, a plurality of grooves 803 being circumferentially arranged on the spacing wheel 802, a fixed long block 808 arranged on an outer end surface of the stomach tube body 1 and near the spacing wheel 802, a sliding slot 804 arranged on the fixed long block 808, a sliding rod 805 slidably connected to the sliding slot 804, and a third elastic member 806 arranged between the sliding rod 805 and a slot wall of the sliding slot 804 for driving the sliding rod 805 to far away from the spacing wheel 802, the third elastic member 806 is preferably a spring, the sliding rod 805 is vertically and fixedly connected with an inserted rod 807 for being inserted into the groove 803, and further includes a spacing assembly 11 for limiting movement of the sliding rod 805, where the section of the inserted, and a limiting component 11 for limiting the movement of the sliding bar 805.

As shown in fig. 2, 3 and 9, the limiting component 11 includes a limiting sleeve 111 disposed near the sliding groove 804 and a screw rod 112 screwed to the limiting sleeve 111, one side of the inserted rod 807 near the screw rod 112 is provided with a slot 8071 for inserting the screw rod 112, and for facilitating the screw rod 112 of the medical staff, an arc-shaped plate is symmetrically disposed at the rear end of the screw rod 112, and the outer edge of the arc-shaped plate is in an arc shape.

As shown in fig. 7, the rotating wheel 725 has a through groove 726 along its circumference, a through rod for inserting into the through groove 726 is vertically and fixedly connected to one side of the sliding rod 805 close to the rotating plate, the cross section of the through groove 726 is circular, and the cross section of the through rod is rectangular corresponding to the through groove 726.

As shown in fig. 5, the positioning sleeve body 2 includes a first sleeve body 21 and a second sleeve body 22, the first sleeve body 21 has a through hole 211 on one side deviating from the limiting mechanism 9, the second sleeve body 22 has a limiting groove 221 on one side deviating from the limiting mechanism 9, the limiting groove 221 is connected in sliding with the limiting rod 222 that is L-shaped so as to be inserted into the through hole 211, the positioning sleeve further includes one end fixedly connected to the limiting groove 221 and the other end fixedly connected to the tension spring 223 of the limiting rod 222 in order to stimulate the limiting rod 222 to the limiting groove 221, the specific process can be decomposed into a disassembling process and an installing process, the detailed description is as follows:

the disassembling process comprises the following steps:

the first step is as follows: the stopper 222 inserted into the through hole 211 is gripped and pulled out;

the second step is that: on the basis of the above, the first jacket body 21 and the second jacket body 22 were separated.

The installation process comprises the following steps:

the first step is as follows: the first sleeve body 21 and the second sleeve body 22 are initially abutted together;

the second step is that: the limiting rod 222 is held and pulled to enable the limiting rod 222 to move for a distance, and the limiting rod 222 is inserted into the through hole 211 for limiting, so that the installation of the limiting rod 222 and the through hole 211 is completed.

The overall operation is as follows:

1. firstly, the first sleeve body 21 and the second sleeve body 22 are installed together;

2. then when the stomach tube body 1 needs to be moved, the poking plate 12 is held to move outwards at the moment, the poking rod 91 can leave the stomach tube body 1 at the moment, then the hinged plate 14 is inserted into the positioning groove 15 to limit the poking plate 12, the stomach tube can move freely at the moment, when the stomach tube needs to be positioned, the poking plate 12 is lifted at the moment, the hinged plate 14 is rotated at the same time to enable the hinged plate 14 not to be inserted into the positioning groove 15, the position of the poking plate 12 moves downwards at the moment, the first elastic piece 93 can indirectly drive the poking rod 91 to abut against the stomach tube body 1 at the moment, and the marking rod 10 connected to the poking plate 12 can indicate the initial position of the stomach tube, so that medical personnel can conveniently record the moving distance of the;

3. when the stomach tube needs to be positioned, the insertion rod 807 can be indirectly inserted into the groove 803 by sliding the sliding rod 805 in the sliding groove 804, and in order to maintain the state that the insertion rod 807 is inserted into the groove 803, the screw rod 112 is rotated to insert the screw rod 112 into the slot 8071 of the insertion rod 807, and at this time, the rotation of the first gear 73 can be effectively limited, so that the rotation of the third gear 71 is indirectly stopped.

In addition, when there is a case where the distance measuring belt 8 is faulty during use, the distance measuring belt 8 needs to be separately modified, and the specific operation process is immediately followed by the following process:

first, the screw 112 is moved to make the screw 112 not to be inserted into the slot 8071, at this time, the sliding rod 805 will be moved away from the limiting wheel 802 by the third elastic member 806 and be located at the upper end of the rotating wheel 725, at this time, the pulling ring 722 is pulled by holding the pulling ring 722 to make the pulling ring 722 move towards the outer end, at the same time, the inserting rod 807 is moved to make the inserting rod 807 not to be located in the moving path of the rotating wheel 725, when the inserting rod 807 and the through slot 726 on the rotating wheel 725 are located at the same plane position, the inserting rod 807 will be inserted into the through slot 726 to make the rotating wheel 725 located at one end, at this time, the engaging plate 77 is disengaged from the driving shaft 5, that is, it means that the third gear 71 is disengaged from the first gear 73 and the second gear 74, at.

When the original state needs to be restored, the insertion rod 807 is moved to prevent the insertion rod 807 from penetrating into the through groove 726, and meanwhile, since the positioning sleeve body 2 is arranged in a perspective manner, the third gear 71, the first gear 73 and the second gear 74 are engaged by the second elasticity after the adjustment of the rotation of the upper roller body 3 or the lower roller body 3 and the rotation of the first gear 73 is performed, so that the requirement for the adjustment of the clamping of the third gear 71 is met, and the clamping plate 77 is clamped to the driving shaft 5 to complete the clamping of the first gear 71 and the second gear, so that the normal stomach tube movement can be realized.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. A stomach tube, includes stomach tube body (1), characterized by: the stomach tube is characterized by further comprising a positioning sleeve body (2) sleeved on the outer side wall of the stomach tube body (1), wherein an inlet (16) and an outlet (17) matched with the stomach tube body (1) to pass through are respectively formed in the front side wall and the rear side wall of the positioning sleeve body (2), a distance detection device (4) is arranged in the positioning sleeve body (2), the distance detection device (4) is connected with a driving mechanism (7) controlled by the distance detection device (4), and the driving mechanism (7) is connected with a distance indication mechanism (6);

the distance detection device (4) comprises a roller body (3) which is arranged in the fixed sleeve and is abutted against the stomach tube body (1), a driving shaft (5) which is vertically and fixedly arranged in the circle center of the roller body (3) in a penetrating manner, and two ends of the driving shaft are respectively penetrated through the positioning sleeve body (2) and connected with the driving mechanism (7), and the distance detection device also comprises a limiting mechanism (9) which is used for limiting the movement of the positioning sleeve body (2);

the limiting mechanism (9) comprises a through rod (91) with one end arranged at one side close to the stomach tube body (1) and the other end penetrating through the positioning sleeve body (2) and abutting against the stomach tube body (1), a positioning plate (92) arranged at one side close to the stomach tube body (1) and vertically and fixedly connected to the through rod (91), a first elastic piece (93) with two ends respectively fixedly connected to the positioning sleeve body (2) and the positioning plate (92) and sleeved on the through rod (91) to drive the positioning plate (92) to be close to the stomach tube body (1), and a position keeping mechanism (23) for keeping the through rod (91) away from the stomach tube body (1);

the stomach tube comprises a stomach tube body (1), a through rod (91) and a position retaining mechanism (23), wherein a poking plate (12) is arranged at one end of the through rod (91) far away from the stomach tube body (1), the position retaining mechanism (23) comprises a fixed plate (13) and hinged plates (14), the fixed plate (13) is located below the poking plate (12) and fixedly connected to the stomach tube body (1) and symmetrically distributed, the hinged plates (14) are hinged to the fixed plate (13), and a positioning groove (15) for inserting the hinged plates (14) is formed in one end, close;

drive mechanism (7) including connecting in third gear (71) of drive shaft (5), connect in third gear (71) in order to drive third gear (71) horizontal migration's horizontal migration subassembly (72), set up respectively in third gear (71) both sides and mesh in first gear (73) and second gear (74) of third gear (71), fixed connection is in first drive wheel (75) of first gear (73), fixed connection is in second drive wheel (76) of second gear (74), and connect in first gear (73) in order to adjust first gear (73) pivoted adjusting part (80), third gear (71) are provided with joint board (77) in the one side that is close to drive shaft (5), offer draw-in groove (78) that supply joint board (77) card to go into on drive shaft (5), distance indication mechanism (6) are including rotating simultaneously and connect in first drive wheel (75), A distance measuring belt (8) of a second transmission wheel (76) and a marking rod (10) fixedly connected with the poking plate (12);

the position sleeve body (2) constitutes for transparent material, horizontal migration subassembly (72) include one end fixed connection in third gear (71) and the other end wear to establish connecting rod (721) of the position sleeve body (2), set up in limiting plate (723) that are close to one side of third gear (71) and perpendicular fixed connection in connecting rod (721), one end fixed connection in limiting plate (723) and the other end butt in the position sleeve body (2) and encircle locate connecting rod (721) in order to order about second elastic component (724) that limiting plate (723) is close to third gear (71).

2. A gastric tube according to claim 1, wherein: the connecting rod (721) is fixedly connected with a rotating wheel (725) on one side far away from the third gear (71), and the rotating wheel (725) is fixedly connected with the pull ring (722).

3. A gastric tube according to claim 2, wherein: the adjusting component (80) comprises a transmission rod (801) fixedly connected to the first transmission wheel (75) and penetrating through the positioning sleeve body (2), a limiting wheel (802) fixedly connected to the transmission rod (801) and far away from the first gear (73), wherein a plurality of grooves (803) are circumferentially formed in the limiting wheel (802), the adjusting component further comprises a fixed long block (808) arranged on the outer end face of the stomach tube body (1) and close to the limiting wheel (802), a sliding groove (804) formed in the fixed long block (808), a sliding rod (805) connected to the sliding groove (804) in a sliding mode, and a third elastic piece (806) arranged between the sliding rod (805) and the groove wall of the sliding groove (804) to drive the sliding rod (805) to be far away from the limiting wheel (802), the sliding rod (805) is vertically and fixedly connected with an inserted rod (807) inserted into the grooves (803), and the rotating wheel (725) is uniformly provided with a plurality of penetrating grooves (726) into which the inserted rod, the device also comprises a limiting component (11) used for limiting the movement of the sliding rod (805).

4. A gastric tube according to claim 3, wherein: the limiting component (11) comprises a limiting sleeve (111) arranged close to the sliding groove (804) and a screw rod (112) in threaded connection with the limiting sleeve (111), and a slot (8071) for inserting the screw rod (112) is formed in one side, close to the screw rod (112), of the inserted rod (807).

5. A gastric tube according to claim 4, wherein: the utility model discloses a spacing mechanism (9) for the locating sleeve body, including the first cover body (21) and the second cover body (22) of the locating sleeve body (2), through-hole (211) have been seted up in one side that deviates from stop gear (9) to the first cover body (21), the second cover body (22) is in one side fixedly connected with locating piece (224) that deviates from stop gear (9) and set up spacing groove (221) in locating piece (224), spacing groove (221) internal slipping is connected with gag lever post (222) that are used for inserting to through-hole (211), still includes that one end fixed connection is in gag lever post (221) and other end fixed connection is in extension spring (223) of gag lever post (222) in order to stimulate gag lever post (222) to spacing groove (221.