CN113367773B - Medical ligation device with quick reset and recovery functions - Google Patents

Abstract

The invention discloses a medical ligation device with a quick resetting and recycling function, which belongs to the technical field of medical ligation devices and comprises a rotary driving handle, a main rod, a ligation component, a pressing driving piece, a handle and a transmission component, wherein a handle sleeve is rotatably arranged outside the main rod; according to the invention, the movable ligation component is arranged, the threaded rod can be driven to rotate in the rotating process of the transmission component, the threaded rod can automatically drive the ligation component to move to one side, so that the tissues of the patient can be more effectively ligated into the ligation sleeve in the ligation component, and meanwhile, the transmission gear in the external cutting knife containing sleeve can be meshed with the limiting transmission rack to rotate, so that the ring cutter with meshed teeth meshed with the cutting knife is driven to send out, the effect of synchronous cutting when the tissues of the patient are ligated is realized, the use effect of the ligation device is improved, and when the ligation sleeve is retracted, the ring cutter can be automatically and quickly contained, so that the next ligation on the tissues of the patient is not influenced.

Description

Medical ligation device with quick reset and recovery functions

Technical Field

The invention belongs to the technical field of medical ligation devices, and particularly relates to a medical ligation device with a quick resetting and recovering function.

Background

The ligation device is also a medical instrument for operation, can realize the ligation and excision effects on tissues of some patients, has important effect on clinical medical treatment, and whether the structural design of the ligation device is reasonable and ingenious is one of the most important indexes of whether the ligation device can be conveniently used.

Chinese patent discloses (CN201920305510.8) an automatic hemorrhoid ligation device, which comprises a shell, a hemorrhoid cavity rod, a ligation component, a sleeve buckle driving component for driving the sleeve buckle component to be sleeved on a hemorrhoid affected part, a locking component for driving the sleeve buckle component to be locked on the hemorrhoid affected part and a controller for driving the hemorrhoid ligation device to automatically complete hemorrhoid ligation, wherein the hemorrhoid cavity rod is arranged in the sleeve buckle driving component and fixed on the shell, one end of the hemorrhoid cavity rod is connected with a negative pressure interface, and the negative pressure interface is embedded in the shell and used for being connected with an external negative pressure machine; one end of the looping part is connected with a looping-off driving component, part of the looping part is inserted into the shell and is connected with a locking component, the looping-off driving component is arranged in the shell, part of the looping-off driving component is arranged outside the shell, the locking component is arranged in the shell, a controller is arranged in the shell, the looping device adopts a full-automatic control mode, all action data are processed by the microcontroller, the whole process of looping and tying hemorrhoids is completed by one key, uncontrollable factors brought by multiple doctors during simultaneous cooperative operation are solved, the problems of complex operation process, multiple flows, long time, cooperation of multiple persons, tacit is and the like are solved, but the looping device is complex in structure, the production cost is too high, the looping device is not suitable for some small and medium hospitals, and the purpose of reusing to reduce the cost is not easy to realize.

Disclosure of Invention

The invention aims to: in order to solve the problems that the traditional ligation device is complex in structure, too high in production cost and not suitable for some small and medium hospitals, and meanwhile, the ligation device does not have the function of synchronously performing ligation and cutting, and the purpose of reducing cost by recycling is not easy to realize, the medical ligation device with the quick resetting and recycling function is provided.

In order to achieve the purpose, the invention adopts the following technical scheme: a medical ligation device with a quick resetting and recycling function comprises a rotary driving handle, a main rod, a ligation assembly, a pressing driving piece, a handle and a transmission assembly, wherein a handle sleeve is rotatably installed on the outer portion of the main rod, the pressing driving piece is rotatably installed on the inner portion of the main rod, the transmission assembly is rotatably installed on the inner portion of the main rod, and the pressing driving piece is used for driving the transmission assembly; one end of the main rod is fixedly provided with an installation sleeve, and one end of the installation sleeve is slidably provided with a ligation component through a limiting transmission rack; the loop ligature assembly is composed of a cutting knife containing sleeve, a loop ligature cutter, a loop ligature sleeve and a transmission gear, two separation blades are arranged inside the cutting knife containing sleeve, and the loop ligature cutter is slidably mounted between the two separation blades.

As a preferred scheme, further, press the driving piece and constitute by presser, connecting rod, distortion answer spring and transmission worm wheel, the middle part position department fixed mounting of connecting rod has the transmission worm wheel, and equal fixed mounting has the distortion to answer the spring on the transmission worm wheel both sides are located the connecting rod.

As a preferable scheme, further, one end of the torsion return spring is fixedly connected with the inner wall of the main rod, and a pressing device is fixedly installed at the bottom of the connecting rod.

As a preferable scheme, further, the transmission assembly is composed of a main mounting rod, a transmission worm and a rod sleeve, wherein the rod sleeve is rotatably mounted at one end of the main mounting rod, a threaded rod is fixedly mounted at the other end of the main mounting rod, an air exhaust channel is formed in the threaded rod in a penetrating manner, the transmission worm is fixedly mounted on the main mounting rod, and the transmission worm is meshed with the transmission worm wheel; the cutting knife containing sleeve is internally provided with a transmission gear in a rotating mode through a rotating shaft, the outer wall of one side of the ring cutting knife is fixedly provided with meshing teeth, the transmission gear is meshed and connected with the limiting transmission rack and the meshing teeth respectively, and the ligation sleeve is in threaded connection with the threaded rod.

As a preferred embodiment, further: two ring-cutting knives are symmetrically arranged about the transverse central shaft of the cutting knife containing sleeve, and the knife edges of the two ring-cutting knives are arc-shaped.

As a preferable scheme, further, a handle is fixedly installed at the bottom of the handle sleeve, and a negative pressure exhaust tube is fixedly installed at the bottom of the handle.

Preferably, one end of the handle sleeve is fixedly provided with a side mounting ring through a connecting rod, one end of the main rod is fixedly provided with a rotary driving handle through a telescopic mounting shaft, and the rotary driving handle is rotatably arranged in a rotary hole formed in the side mounting ring.

The handle sleeve is characterized in that a positioning hole is formed in the outer wall of one side of the handle sleeve, and a positioning shaft is fixedly mounted on the outer wall of one side of the rotary driving handle.

As a preferable scheme, further, a sleeved spring is sleeved outside the positioning shaft, one end of the sleeved spring is fixedly connected with the outer wall of one side of the rotary driving handle, and one end of the positioning shaft is embedded in the positioning hole in a clamping manner.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. according to the invention, through installing the resettable pressing driving piece, when the ligation is carried out, the pressing driving piece is directly extruded, the pressing driving piece can rotate, the transmission worm wheel on the pressing driving piece can be effectively meshed with the transmission worm of the transmission assembly, the transmission worm can be effectively driven to rotate, so that the integral transmission assembly is driven to work, the design is ingenious, the transmission effect is stable, meanwhile, the twisting return spring is installed on the pressing driving piece, after the pressing driving piece is extruded each time, the extrusion force is removed, the pressing driving piece can automatically return under the action of the return spring, and the return effect is good.

2. According to the invention, the movable ligation assembly is arranged, the ring cutter capable of being stored is arranged in the ligation assembly, the threaded rod can be driven to rotate in the rotating process of the transmission assembly, the threaded rod can automatically drive the ligation assembly to move towards one side, so that the tissues of a patient can be more effectively sleeved in the ligation sleeve in the ligation assembly, meanwhile, the transmission gear in the external cutting knife storage sleeve can be meshed with the limiting transmission rack to rotate, so that the ring cutter with meshed teeth meshed with the transmission gear is driven to be sent out, the effect of synchronously cutting the tissues of the patient during ligation is realized, the using effect of the ligation device is improved, and when the ligation sleeve is retracted, the ring cutter can be automatically and quickly stored, and the next ligation of the tissues of the patient is not influenced.

3. According to the invention, the transmission assembly is arranged in the device, the air exhaust channel is arranged in the threaded rod arranged at one end of the transmission assembly, and when the patient tissue is generally sleeved and bundled, the negative pressure air exhaust device is externally connected through the negative pressure air exhaust pipe to exhaust air, so that negative pressure is generated in the device, the patient tissue can be effectively adsorbed, and the subsequent sleeving and bundling treatment is convenient.

4. According to the invention, the main rod and the handle sleeve of the device are designed to be in a rotary connection mode, when the ligation tissue is cut, if the cutting effect is required to be improved, the loop cutting can be carried out, at the moment, the handle is held by one hand, and the main rod can be directly rotated by the handle in a rotary driving manner, so that the ligation device can be rotated, the loop cutting knife can rapidly and effectively perform the loop cutting on the ligation diseased tissue, the cutting effect is improved, the problem that the whole ligation device cannot be directly rotated due to the connection relation of pipelines is solved, and meanwhile, the handle is held by one hand to perform the loop cutting treatment, compared with the single-hand rotary loop cutting, the cutting accuracy can be effectively improved.

5. According to the invention, the positioning shaft with the sleeved spring is arranged at one end of the rotary driving handle, so that the rotary driving handle is loosened when the ligation device is not required to be rotated at ordinary times, the positioning shaft is directly clamped into the positioning hole under the action of the sleeved spring by the rotary driving handle, the rotary driving handle is positioned, the fixing effect of the whole ligation device and the handle sleeve can be realized, and the use is not influenced.

Drawings

Fig. 1 is a schematic perspective view of a medical ligation device with a quick resetting and recovery function.

Fig. 2 is a schematic view of the internal structure of a medical ligation device with a quick resetting and recovery function.

Fig. 3 is an enlarged perspective view of a transmission assembly in a medical ligation device with a quick return and recovery function.

Fig. 4 is an enlarged perspective view of a pressing driving member of a medical ligation device with a quick return and recovery function.

Fig. 5 is an enlarged perspective view of a ligation assembly in a medical ligation device with a quick return and recovery function.

Fig. 6 is an enlarged schematic structural view of a position A in the medical ligation device with the function of quick resetting and recovery.

Fig. 7 is a schematic view of an enlarged meshing three-dimensional structure of a transmission gear and a limiting transmission rack in a medical ligation device with a rapid resetting and recovery function.

Fig. 8 is an enlarged perspective view of a middle ring cutting knife of a medical ligation device with a quick resetting and recovering function.

Fig. 9 is an enlarged schematic structural view of a position B in the medical ligation device with a quick resetting and recovery function.

Fig. 10 is an enlarged schematic view of the position C of a medical ligation device with a quick resetting and recovery function.

Illustration of the drawings:

1. a rotation driving handle; 2. a handle cover; 3. a main rod; 4. installing a sleeve; 5. a ligation assembly; 51. a baffle plate; 52. a cutter accommodating sleeve; 53. a ring cutter; 54. sheathing and tying a sleeve; 55. a transmission gear; 56. meshing teeth; 6. pressing the driving member; 61. a pressing device; 62. a connecting rod; 63. a torsion return spring; 64. a drive worm gear; 7. a handle; 8. a negative pressure exhaust pipe; 9. a transmission assembly; 91. a main mounting bar; 92. a drive worm; 93. a rod sleeve; 94. an air extraction channel; 95. a threaded rod; 10. positioning holes; 11. positioning the shaft; 12. a telescopic installation shaft; 13. sleeving a spring; 14. a limit transmission rack; 15. and a ring is installed laterally.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-10, the present invention provides a technical solution: a medical ligation device with a quick resetting and recycling function comprises a rotary driving handle 1, a main rod 3, a ligation component 5, a pressing driving piece 6, a handle 7, a transmission component 9 and a sleeving spring 13, wherein a handle sleeve 2 is rotatably installed outside the main rod 3, the handle 7 is fixedly installed at the bottom of the handle sleeve 2, and a negative pressure exhaust tube 8 is fixedly installed at the bottom of the handle 7;

one end of the handle sleeve 2 is fixedly provided with a side mounting ring 15 through a connecting rod, one end of the main rod 3 is fixedly provided with a rotary driving handle 1 through a telescopic mounting shaft 12, the rotary driving handle 1 is rotatably arranged in a rotary hole formed in the side mounting ring 15, one side outer wall of the handle sleeve 2 is provided with a positioning hole 10, one side outer wall of the rotary driving handle 1 is fixedly provided with a positioning shaft 11, the outer part of the positioning shaft 11 is sleeved with a sleeved spring 13, one end of the sleeved spring 13 is fixedly connected with one side outer wall of the rotary driving handle 1, one end of the positioning shaft 11 is clamped and embedded into the positioning hole 10, one end of the handle sleeve 2 is fixedly provided with the side mounting ring 15 through a connecting rod, one end of the main rod 3 is fixedly provided with a rotary driving handle 1 through a telescopic mounting shaft 12, and when the ligation device is not required to be rotated normally, the rotary driving handle is loosened, the rotary driving handle 1 directly enables the positioning shaft 11 to be clamped into the positioning hole 10 under the action of the sleeving spring 13, so that the rotary driving handle 1 is positioned, the fixing effect of the integral ligation device and the handle sleeve 2 can be realized, and the use is not influenced;

the inside of mobile jib 3 rotates and installs and presses driving piece 6, press driving piece 6 to reply spring 63 and transmission worm wheel 64 by presser 61, connecting rod 62, distortion and constitute, the middle part position fixed mounting of connecting rod 62 has transmission worm wheel 64, and transmission worm wheel 64 both sides are located equal fixed mounting on connecting rod 62 and reply spring 63, the one end of distortion reply spring 63 and the inner wall fixed connection of mobile jib 3, the bottom fixed mounting of connecting rod 62 has presser 61, through installing press driving piece 6, press driving piece 6 by presser 61, connecting rod 62, distortion reply spring 63 and transmission worm wheel 64 constitute, when carrying out the cerclage, this press driving piece 6 of direct extrusion, press driving piece 6 and can take place to rotate, transmission worm wheel 64 on it can effectively take place to mesh with the transmission worm 92 of transmission assembly 9, can effectively drive worm transmission 92 and rotate, the integral transmission assembly 9 is driven to rotate, the design is ingenious, the transmission effect is stable, after the pressing driving piece 6 is extruded each time and the extrusion force is removed, the pressing driving piece 6 can automatically return under the action of the torsion return spring 63, and the return effect is good;

a transmission component 9 is rotatably arranged above the pressing driving component 6 and positioned in the main rod 3, the transmission component 9 is composed of a main mounting rod 91, a transmission worm 92 and a rod sleeve 93, one end of the main mounting rod 91 is rotatably provided with a rod sleeve 93, the other end of the main mounting rod 91 is fixedly provided with a threaded rod 95, an air exhaust channel 94 penetrates through the interior of the threaded rod 95, a transmission worm 92 is fixedly installed on the main installation rod 91, the transmission worm 92 is meshed with the transmission worm wheel 64, by installing the transmission assembly 9, the transmission assembly 9 is composed of a main installation rod 91, a transmission worm 92 and a rod sleeve 93, in the process of rotating the transmission component 9, the threaded rod 95 can be driven to rotate, and the threaded rod 95 can automatically drive the ligation component 5 to move to one side, so that the tissues of the patient can be more effectively sleeved and ligated into the ligation sleeve 54 in the ligation component 5;

the one end fixed mounting of mobile jib 3 has the installation cover 4, the one end of installation cover 4 has ligation subassembly 5 through spacing transmission rack 14 slidable mounting, ligation subassembly 5 comprises cutting knife storage sleeve 52, cutting ring 53, ligation cover 54, and drive gear 55, the inside of cutting knife storage sleeve 52 is provided with two separation blades 51, slidable mounting has cutting ring 53 between two separation blades 51, the inside of cutting knife storage sleeve 52 rotates through the pivot to install drive gear 55, fixed mounting has meshing tooth 56 on the outer wall of one side of cutting ring 53, drive gear 55 respectively with spacing transmission rack 14 and meshing tooth 56 intermeshing connection, ligation cover 54 and threaded rod 95 mutual threaded connection, two are installed about cutting knife storage sleeve 52's horizontal center pin symmetry to cutting ring 53, the edge of two cutting ring 53 all is circular-arcly, by installing the ligation component 5, the ligation component 5 consists of a cutting knife accommodating sleeve 52, a ring cutting knife 53, a ligation sleeve 54 and a transmission gear 55, meanwhile, the transmission gear 55 in the external cutting knife accommodating sleeve 52 can be meshed with the limiting transmission rack 14 to rotate, so as to drive the ring cutting knife 53 which is meshed with the cutting knife and is provided with a meshing tooth 56 to be sent out, the effect of synchronously cutting when the patient tissues are ligated is realized, the using effect of the ligation device is improved, when the ligation sleeve 54 is retracted, the ring cutting knife 53 can be automatically and quickly accommodated without influencing the next ligation of the patient tissues, when the ligation tissues are cut, if the cutting effect is required to be improved, the ring cutting can be carried out, at the moment, one hand can directly rotate the main rod 3 by rotating the driving handle 1 to hold the handle 7, so as to enable the ring cutting knife to rapidly and effectively perform the ring cutting on the ligated patient tissues, the improved cutting effect, solved because there is the difficult problem of directly rotating whole ligation device of the connection of pipeline, the handle is handed to one hand simultaneously and the hand carries out the circular cutting processing, compares and carries out rotatory circular cutting in the one hand, can effectively improve the cutting precision, through installing dicyclo cutter 53, can improve the circular cutting effect to the disease tissue greatly.

The working principle is as follows: the negative pressure suction tube 8 of the ligation device is externally connected with a negative pressure suction device, so that the ligation component 5 is close to the tissues of a patient to suck air, negative pressure is generated inside the device, the tissues of the patient can be effectively adsorbed into a ligation sleeve 54 of the ligation component 5, when ligation is carried out, the pressing driving part 6 is directly extruded, the pressing driving part 6 can rotate, a transmission worm wheel 64 on the pressing driving part can be effectively meshed with a transmission worm 92 of a transmission component 9, the transmission worm 92 can be effectively driven to rotate, so that the integral transmission component 9 is driven to rotate, in the rotating process of the transmission component 9, a threaded rod 95 can be driven to rotate, the threaded rod 95 can automatically drive the ligation component 5 to move to one side, the tissues of the patient can be more effectively sleeved into a ligation cutting knife sleeve 54 in the ligation component 5, and simultaneously, a transmission gear 55 in an external storage sleeve 52 can be meshed with a limiting rack 14 to rotate, thereby driving the cutting ring 53 engaged with the cutting ring and having the engaging teeth 56 to be sent out, realizing the effect of synchronously cutting when the patient tissue is sleeved and tied, improving the use effect of the ligation device, and when the ligation sleeve 54 is retracted, the cutting ring 53 can be automatically and quickly stored without influencing the next ligation of the patient tissue, when the ligation tissue is cut, if the cutting effect is required to be improved, the ligation can be carried out, at the moment, one hand can hold the handle 7 and the other hand can directly rotate the main rod 3 through the rotation driving handle 1, so that the ligation device can be rotated, thereby the cutting ring can be quickly and effectively cut on the sleeved and tied patient tissue, the cutting effect is improved, the problem that the integral ligation device is not easy to directly rotate due to the connection relationship of pipelines is solved, and simultaneously, the one hand can hold the handle and the other hand can carry out the ligation treatment, compared with the rotary ligation by one hand, can effectively improve the cutting precision, when need not rotate this ligation device at ordinary times, loosen the rotation drive handle, rotation drive handle 1 directly makes location axle 11 card go into locating hole 10 under the effect of suit spring 13, realizes the location to this rotation drive handle 1, can realize not influencing the use to the fixed effect of whole ligation device and handle cover 2.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (6)

1. The utility model provides a medical ligation device with retrieve function resets fast, includes rotation driving handle (1), mobile jib (3), ligation subassembly (5), presses driving piece (6), handle (7) and transmission assembly (9), its characterized in that: a handle sleeve (2) is rotatably mounted on the outer portion of the main rod (3), a pressing driving piece (6) is rotatably mounted in the main rod (3), a transmission assembly (9) is rotatably mounted in the main rod (3), and the pressing driving piece (6) is used for driving the transmission assembly (9); a mounting sleeve (4) is fixedly mounted at one end of the main rod (3), and a ligation component (5) is slidably mounted at one end of the mounting sleeve (4) through a limiting transmission rack (14); ligation assembly (5) accomodate sleeve (52), cutting ring (53), ligation cover (54) by the cutting knife, constitute with drive gear (55), the inside that sleeve (52) were accomodate to the cutting knife is provided with two separation blade (51), slidable mounting has cutting ring (53) between two separation blade (51), it comprises according to pressing device (61), connecting rod (62), distortion answer spring (63) and transmission worm wheel (64) to press driving piece (6), the middle part position department fixed mounting of connecting rod (62) has transmission worm wheel (64), and equal fixed mounting has distortion answer spring (63) on transmission worm wheel (64) both sides lie in connecting rod (62), the one end of distortion answer spring (63) and the inner wall fixed connection of mobile jib (3), the bottom fixed mounting of connecting rod (62) has pressing device (61), drive assembly (9) are by main installation pole (91), The device comprises a transmission worm (92) and a rod sleeve (93), wherein one end of a main mounting rod (91) is rotatably provided with the rod sleeve (93), the other end of the main mounting rod (91) is fixedly provided with a threaded rod (95), an air exhaust channel (94) penetrates through the interior of the threaded rod (95), the main mounting rod (91) is fixedly provided with the transmission worm (92), and the transmission worm (92) is meshed with a transmission worm wheel (64) and connected with the transmission worm wheel; the cutting knife containing sleeve is characterized in that a transmission gear (55) is rotatably installed inside the cutting knife containing sleeve (52) through a rotating shaft, meshing teeth (56) are fixedly installed on the outer wall of one side of the circular cutting knife (53), the transmission gear (55) is meshed with the limiting transmission rack (14) and the meshing teeth (56) respectively, and the ligation sleeve (54) is in threaded connection with the threaded rod (95) mutually.

2. The medical ligation device with the function of quick resetting and recovery according to claim 1, wherein: two ring cutters (53) are symmetrically arranged about the transverse central axis of the cutter accommodating sleeve (52), and the cutting edges of the two ring cutters (53) are arc-shaped.

3. The medical ligation device with the quick resetting and recovery function according to claim 1, wherein a handle (7) is fixedly installed at the bottom of the handle sleeve (2), and a negative pressure suction tube (8) is fixedly installed at the bottom of the handle (7).

4. The medical ligation device with the rapid resetting and recovery functions as claimed in claim 3, wherein one end of the handle sleeve (2) is fixedly provided with a side mounting ring (15) through a connecting rod, one end of the main rod (3) is fixedly provided with a rotary driving handle (1) through a telescopic mounting shaft (12), and the rotary driving handle (1) is rotatably arranged in a rotary hole formed in the side mounting ring (15).

5. The medical ligation device with the rapid resetting and recovery functions according to claim 4, wherein a positioning hole (10) is formed in the outer wall of one side of the handle sleeve (2), and a positioning shaft (11) is fixedly mounted on the outer wall of one side of the rotary driving handle (1).

6. The medical ligation device with quick resetting and recovery functions according to claim 5, wherein a sleeving spring (13) is sleeved outside the positioning shaft (11), one end of the sleeving spring (13) is fixedly connected with the outer wall of one side of the rotary driving handle (1), and one end of the positioning shaft (11) is inserted into the positioning hole (10).

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