CN219147513U - Endoscope with changeable structure - Google Patents

Abstract

The utility model discloses an endoscope with a changeable structure, which relates to the field of endoscopes, and comprises an upper endoscope handle cover and a lower endoscope handle cover which are connected together, wherein the upper endoscope handle cover and the lower endoscope handle cover are connected to form a handle main body, and a cable, a waterproof luer plug, a swing arm, a decoration plug, a key B, a key A and a two-way luer connecting pipe are arranged on the handle main body clockwise from an insertion part. The endoscope with changeable structure has simplified compatible design and convenient assembly based on the disposable soft mirror structure; the whole waterproof structure can be cleaned and disinfected, can be used repeatedly for a limited number of times, and is low in single use cost for patients; the utilization rate of high-value devices is improved, and resource waste is avoided.

Description

Endoscope with changeable structure

Technical Field

The utility model relates to the technical field of endoscopes, in particular to an endoscope with a changeable structure.

Background

The endoscope is characterized in that an insertion part with at least illumination and shooting functions is inserted into a natural channel or an operation area opening of a human body to detect the environment of the body cavity of the human body, and an active bending part at the front end of the insertion part of the endoscope is subjected to bending angle adjustment by operating a handle positioned outside the human body, so that the insertion part of the endoscope deflects in a preset direction, and people are helped to acquire the observation of a larger visual angle range. In addition, an instrument channel is usually further arranged on the insertion portion of the endoscope, in the process of detecting or treating the body cavity environment of the human body, redundant effusion of internal tissues of the human body needs to be sucked, the effusion is led out of the body through the instrument channel, in addition, the instrument channel is also used for external instruments, such as biopsy forceps, to extend into the body cavity along the instrument channel, and after the target object is reached to the tissues, part of human tissues are clamped for biopsy detection. Therefore, when the insertion part is inserted into the human body, the external and internal instrument channels thereof are seriously contaminated, and there is a clinical use in which the disposable endoscope is used, although the structure, materials, and assembly processes thereof are simple and low-cost compared with the reusable endoscope. However, the cost of the camera, which is a core part of the endoscope, is relatively high, and particularly, the endoscope with the small-diameter insertion part still needs to adopt an imported miniature COMS camera module, so that the cost is relatively high. Because of its disposable use, the cost of single use by patients is higher than the cost of repeated use of endoscopes. After one use, the equipment is scrapped, so that high-value devices are scrapped, and resource waste is caused. The traditional endoscope handle has single function and can not be expanded and deformed.

Disclosure of Invention

The utility model aims to provide an endoscope with changeable structure, which solves the problems that: the disposable endoscope is scrapped after being used, so that high-value devices are scrapped, resource waste is caused, and the problem that a patient is high in single-use cost and cannot change the structure is solved.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model relates to an endoscope with changeable structure, which is characterized in that: the novel endoscope handle comprises an upper endoscope handle cover and a lower endoscope handle cover which are connected together, wherein a handle main body is formed by connecting the upper endoscope handle cover and the lower endoscope handle cover, a cable, a waterproof luer plug, a swing arm, a decoration plug, a key B, a key A and two-way luer connecting pipes are arranged on the handle main body clockwise from an insertion part, the insertion part is sleeved into a sheath, the sheath is connected to the lower endoscope handle cover, the cable is sleeved into the cable sheath, the waterproof luer plug and the cable sheath are arranged up and down and are connected to one side of the bottom of the lower endoscope handle cover, the swing arm is connected to the upper part of the handle main body through a swing arm fixing screw, the decoration plug is fixedly arranged at the top of the lower endoscope handle cover, the key B is arranged on the lower endoscope handle cover and is positioned at one side far away from the swing arm, the key A is arranged below the key B, and the two-way luer connecting pipes are arranged at the other side of the bottom of the lower endoscope handle cover.

Preferably, the bottom end of the two-way luer connecting pipe is connected with an elbow and is fixedly connected together through dispensing, a clamp pipe in the insertion part is installed on the elbow, a first sealing ring is installed in a sealing groove on the outer peripheral surface of the two-way luer connecting pipe, and the two-way luer connecting pipe is fixedly dispensed in a corresponding mounting hole of the lower cover of the handle of the endoscope.

Preferably, the cable head end is stripped to form a cable core, the cable sheath is arranged at the position of the wire outlet hole of the lower cover of the endoscope handle, the cable core is statically solidified in the cable sheath by three layers of glue, and the three layers of glue are sequentially arranged into a hard pouring sealant, a soft pouring sealant and a hard pouring sealant.

Preferably, the top end of the waterproof luer plug is sleeved with a soft rubber anti-falling rope, the other end of the soft rubber anti-falling rope is sleeved on the luer plug, a second sealing ring is arranged in a sealing ring groove on the outer peripheral surface of the luer plug, the luer plug is fixed in a corresponding mounting hole of the lower cover of the endoscope handle in a dispensing mode, and the waterproof luer plug is rotatably arranged on the luer plug.

Preferably, a third sealing ring is arranged in a sealing ring groove on the outer peripheral surface of the decorative plug, and the decorative plug is connected in a groove corresponding to the top of the lower cover of the endoscope handle in a locking manner through a locking nut.

Preferably, the button B comprises a button switch, a button board, a spring, a button main body and a button core, wherein the button core is glued and adhered to the button main body, a side hole is formed in the button core, a fourth sealing ring is arranged in a sealing ring groove on the outer periphery of the button main body, the spring is internally installed in the button main body, the spring is sleeved on the button core, the button main body is installed in a mounting hole corresponding to a lower cover of an endoscope handle, a bracket is arranged at the bottom of the mounting groove of the button main body on the lower cover of the endoscope handle, the side hole is formed in the bracket, the button switch is welded on the button board, a button wire is welded on the button board, the button board is glued and adhered to the groove corresponding to the bracket, and two ends of the spring are abutted to the step surface of the button main body and one end surface of the bracket.

Preferably, the endoscope handle lower cover with the endoscope handle upper cover passes through screw connection, the connection terminal surface design of endoscope handle upper cover is boss structure, the connection terminal surface design of endoscope handle lower cover is groove structure, boss structure with groove structure assorted and lock are in the same place, install the sealing strip in the groove structure, the endoscope handle upper cover with the endoscope handle lower cover passes through screw locking location, the exposed end of screw covers there is the soft plug.

Preferably, the key B may be replaced by an attracting valve structure.

Preferably, the decoration plug is replaced by a luer adapter, a fifth sealing ring is arranged in a sealing ring groove on the peripheral surface of the luer adapter, the luer adapter is arranged in a mounting hole corresponding to the lower cover of the endoscope handle, the key board is replaced by a hose, and the hose sequentially penetrates through the lower hole of the bracket, the key core side hole and the upper hole of the bracket and then is connected with a pagoda connector at the bottom of the luer adapter.

Compared with the prior art, the utility model has the beneficial technical effects that:

1) The endoscope with the changeable structure is based on the concept of low-cost limited repeated use, the traditional cable connector and the fixing structure thereof are omitted on the basis of a disposable soft endoscope in the structural design, the cable connector mounting groove is directly arranged on the lower cover of the endoscope handle and used for mounting and fixing a cable sheath and a cable, the cable is arranged in a cable hole corresponding to the lower cover of the endoscope handle after the cable head end is stripped, and the adhesive is dispensed in sequence according to the mode of hard pouring sealant-soft pouring sealant-hard pouring sealant, so that the strength is good after the hard pouring sealant is cured, the drawing force of the cable can be effectively born, and the cable is prevented from falling; meanwhile, the soft pouring sealant is soft and has good fluidity, so that the periphery of the wire core and the side wall of the shell can be well sealed.

2) The traditional built-in spring sealing valve structure is omitted in the structural design of the leak detection valve, the luer leak detection head and the waterproof luer plug are matched with each other to form a sealing structure, the waterproof luer plug is screwed out of the luer leak detection head during leak detection, and the sealing structure is screwed after the leak detection is completed.

3) The button B structure comprises button main part, button core and spring, key switch, keypad, attracts the valve structure by button main part, button core, spring and support to constitute, opens on the button case and has the side opening, also opens the through-hole on the support with it simultaneously, and button B is very high with attracting the valve structure approximation degree, and both can realize quick conversion, further enlarges the function of endoscope. The luer adapter is designed at the top end, accessories such as a suction pipeline, a luer three-way valve and the like can be connected through a standard luer, an operator can automatically expand according to actual use conditions, meanwhile, the top end structure adopts a compatible design, the luer adapter can be replaced by the suction adapter, and the evolution of another structure is completed.

4) A sealing strip is designed between the lower cover of the endoscope handle and the upper cover of the endoscope handle, when the screw locks the upper cover and the lower cover, the boss of the upper cover tightly presses the sealing strip to seal the periphery of the shell, meanwhile, a soft rubber plug is designed at the screw hole to block the screw hole, so that water leakage at the screw hole is avoided, and the waterproof sealing of the whole machine is realized in the mode.

In summary, the utility model has the advantages of simplified structure, compatible design and convenient assembly; the whole waterproof structure can be cleaned and disinfected, can be used repeatedly for a limited number of times, and is low in single use cost for patients; the utilization rate of high-value devices is improved, and resource waste is avoided; the equipment cost is low, the competitiveness is strong, and the popularity of the soft mirror in the primary hospital can be improved.

Drawings

The utility model is further described with reference to the following description of the drawings.

FIG. 1 is a schematic view of a convertible-mechanism endoscope in accordance with the present utility model;

FIG. 2 is a schematic view of a convertible-mechanism endoscope according to a second embodiment of the present utility model;

FIG. 3 is a cross-sectional view of a convertible-mechanism endoscope configuration of the present utility model;

FIG. 4 is an enlarged view of a portion of the three-way connection of the present utility model;

FIG. 5 is an enlarged view of a portion of the cable and leak detection structure of the present utility model;

FIG. 6 is a block diagram of a key B compatible suction valve scheme of the present utility model;

FIG. 7 is a top view of a key B compatible suction valve embodiment of the present utility model;

FIG. 8 is a cross-sectional view of the sealing structure of the upper and lower covers of the endoscope handle of the present utility model;

FIG. 9 is a diagram showing the structure of the suction valve changing scheme of the key B;

fig. 10 is a sectional view showing the structure of the scheme of changing the suction valve by the key B.

Reference numerals illustrate: 1. an insertion section; 2. a sheath; 3. a cable; 4. a cable sheath; 5. a waterproof luer plug; 6. an endoscope handle lower cover; 7. a swing arm fixing screw; 8. swing arms; 9. a decorative plug; 10. a key B; 11. a key A; 12. a two-way luer connection tube; 13. a soft rubber plug; 14. an endoscope handle upper cover; 15. bending the pipe; 16. a first seal ring; 17. a second seal ring; 18. a luer leak detection head; 19. rope falling prevention of the soft rubber; 20. hard pouring sealant; 21. soft pouring sealant; 22. a wire core; 23. a third seal ring; 24. a lock nut; 25. a key switch; 26. a key sheet; 27. a key line; 28. a bracket; 29. a spring; 30. a key main body; 31. a key core; 32. a fourth seal ring; 33. a sealing strip; 34. a luer adapter; 35. a fifth seal ring; 36. and (3) a hose.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It should be noted that the terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying a number of technical features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. The meaning of "a number" is one or more than one unless specifically defined otherwise.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," and the like are to be construed broadly and include, for example, "connected," either fixedly connected, detachably connected, or integrally connected; can be mechanically or indirectly connected through an intermediate medium, but the connection at all places does not affect the multi-position folding of the application. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1-10, an endoscope with changeable structure comprises an upper endoscope handle cover 14 and a lower endoscope handle cover 6 which are connected together, wherein a handle main body is formed by connecting the upper endoscope handle cover 14 and the lower endoscope handle cover 6, a cable 3, a waterproof luer plug 5, a swinging arm 8, a decoration plug 9, a key B10, a key a11 and a two-way luer connecting pipe 12 are arranged on the handle main body clockwise from an insertion part 1, the insertion part 1 is sleeved in a sheath 2, the sheath 2 is connected to the lower endoscope handle cover 6, the cable 3 is sleeved in a cable sheath 4, the waterproof luer plug 5 and the cable sheath 4 are arranged up and down and are connected to one side of the bottom of the lower endoscope handle cover 6, the swinging arm 8 is connected to the upper part of the handle main body through a swinging arm fixing screw 7 in a threaded manner, the decoration plug 9 is fixedly mounted on the top of the lower endoscope handle cover 6, a key B10 is mounted on the lower endoscope handle cover 6 and is located on the other side far away from the swinging arm 8, the key a11 is arranged below the key B10, and the two-way luer connecting pipe 12 is mounted on the bottom of the lower endoscope handle cover 6.

As shown in fig. 4, the bottom end of the two-way luer connecting tube 12 is connected with an elbow 15 and is fixedly connected together by dispensing, a clamp tube in the insertion part 1 is installed on the elbow 15, a first sealing ring 16 is installed in a sealing groove on the outer peripheral surface of the two-way luer connecting tube 12, and the two-way luer connecting tube 12 is fixedly dispensed in a corresponding mounting hole of the lower cover 6 of the endoscope handle.

As shown in fig. 5, the head end of the cable 3 is stripped to form a cable core 22, the cable sheath 4 is mounted at the wire outlet hole position of the lower cover 6 of the endoscope handle, the cable core 22 is statically solidified in the cable sheath 4 by dispensing three layers of glue, and the three layers of glue are sequentially arranged into a hard pouring sealant 20, a soft pouring sealant 21 and the hard pouring sealant 20. The hard pouring sealant has good strength after being cured, can effectively bear the drawing force of the cable, and prevents the cable from falling off; meanwhile, the soft pouring sealant is soft and has good fluidity, so that the periphery of the wire core and the side wall of the shell can be well sealed.

Specifically, a soft rubber anti-drop rope 19 is sleeved at the top end of the waterproof luer plug 5, the other end of the soft rubber anti-drop rope 19 is sleeved on the luer plug 18, a second sealing ring 17 is installed in a sealing ring groove on the outer peripheral surface of the luer plug 18, the luer plug 18 is fixed in a mounting hole corresponding to the lower cover 6 of the endoscope handle in a dispensing mode, and the waterproof luer plug 5 is rotatably installed on the luer plug 18.

Specifically, a third sealing ring 23 is installed in a sealing ring groove on the outer peripheral surface of the decorative plug 9, and the decorative plug 9 is locked and connected in a groove corresponding to the top of the lower cover 6 of the endoscope handle through a locking nut 24.

As shown in fig. 6 and 7, the key B10 includes a key switch 25, a key plate 26, a spring 29, a key main body 30 and a key core 31, where the key core 31 is spot-glued to the key main body 30, the key core 31 is provided with a side hole, a fourth seal ring 32 is installed in a seal ring groove on the outer peripheral surface of the key main body 30, the spring 29 is installed inside the key main body 30, the spring 29 is sleeved on the key core 31, the key main body 30 is installed in a mounting hole corresponding to the lower cover 6 of the endoscope handle, a bracket 28 is provided at the bottom of the mounting groove of the key main body 30 on the lower cover 6 of the endoscope handle, the side hole is opened on the bracket 28, the key switch 25 is welded on the key plate 26, the key wire 27 is welded on the key plate 26 is glued to a groove corresponding to the bracket 28, and two ends of the spring 29 are abutted against a step surface of the key main body 30 and one end surface of the bracket 28.

In operation, when key core 31 is depressed, key core 31 compresses spring 29 and depresses key switch 25, switching the trigger signal, realizing the defined key function. When the key is released, the spring rebounds to eject the key core for resetting.

As shown in fig. 8, the lower endoscope handle cover 6 is connected with the upper endoscope handle cover 14 through a screw, the connection end surface of the upper endoscope handle cover 14 is designed into a boss structure, the connection end surface of the lower endoscope handle cover 6 is designed into a groove structure, the boss structure is matched with the groove structure and buckled together, a sealing strip 33 is installed in the groove structure, the upper endoscope handle cover 14 and the lower endoscope handle cover 6 are locked and positioned through a screw, and the exposed end of the screw is covered with a soft rubber plug 13. When the screw locks the upper cover and the lower cover, the boss of the upper cover tightly presses the sealing strip to seal the periphery of the shell, and meanwhile, a soft rubber plug is arranged at the screw hole to block the screw hole, so that water leakage at the screw hole is avoided, and waterproof sealing of the whole machine is realized in the mode.

As shown in fig. 9 and 10, the key B10 may be replaced by an attractive valve structure, the decorative plug 9 is replaced by a luer adapter 34, a fifth sealing ring 35 is installed in a sealing ring groove on the outer peripheral surface of the luer adapter 34, the luer adapter 34 is installed in a mounting hole corresponding to the lower cover 6 of the endoscope handle, the key board 26 is replaced by a flexible tube 36, and the flexible tube 36 sequentially passes through a lower hole of the bracket 28, a side hole of the key core 31 and an upper hole of the bracket 28 and then is connected with a pagoda adapter at the bottom of the luer adapter 34. After quick replacement, the whole endoscope realizes the function of the suction valve, and the suction valve is in a closed state at the moment by pulling the hose outwards under the action of spring force and pulling the hose to deform under the natural state. When in use, the suction valve is pressed down, the suction valve core retreats, and the hose deforms to return to the suction valve to be in an open state.

According to the utility model, the upper cover of the endoscope handle and the lower cover of the endoscope handle are connected in a sealing manner to form the waterproof sealing handle main body, and the sealing rings are introduced into the connection of other parts on the handle main body for waterproof sealing, so that the overall tightness is achieved, the sealing effect is good, the repeated use is realized, and the use cost is reduced; in addition, through the research and development of the similar structure, the rapid conversion of the structure of the key and the suction valve structure is realized, and the functions of the endoscope are further expanded.

The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims (9)

1. An endoscope with changeable structure, which is characterized in that: the novel endoscope comprises an endoscope handle upper cover (14) and an endoscope handle lower cover (6) which are connected together, wherein a handle main body is formed by connecting the endoscope handle upper cover and the endoscope handle lower cover (6), a cable (3), a waterproof luer plug (5), a swing arm (8), a decoration plug (9), a key B (10), a key A (11) and a two-way luer connecting pipe (12) are arranged on the handle main body clockwise from an insertion part (1), the insertion part (1) is sleeved into a sheath (2), the sheath (2) is connected onto the endoscope handle lower cover (6), the cable (3) is sleeved into a cable sheath (4), the waterproof luer plug (5) and the cable sheath (4) are arranged up and down and connected to one side of the bottom of the endoscope handle lower cover (6), the swing arm (8) is connected to the upper part of the handle main body through a swing arm fixing screw (7), the decoration plug (9) is fixedly arranged at the top of the endoscope handle lower cover (6), the key B (10) is arranged on the inner handle lower cover (6) and is arranged on the other side of the endoscope handle lower cover (8) far away from the key A, and the swing arm (10) is arranged below the endoscope handle lower cover (12).

2. A reconfigurable endoscope as in claim 1, wherein: the bottom of the two-way luer connecting pipe (12) is connected with an elbow pipe (15) and is fixedly connected together through dispensing, a clamp pipe in the insertion part (1) is installed on the elbow pipe (15), a first sealing ring (16) is installed in a sealing groove on the outer peripheral surface of the two-way luer connecting pipe (12), and the two-way luer connecting pipe (12) is fixedly dispensed in a mounting hole corresponding to the lower cover (6) of the handle of the endoscope.

3. A reconfigurable endoscope as in claim 1, wherein: the cable is characterized in that the head end of the cable (3) is stripped to form a cable core (22), the cable sheath (4) is arranged at the position of a wire outlet hole of the lower cover (6) of the endoscope handle, the cable core (22) is statically solidified in the cable sheath (4) through three layers of glue, and the three layers of glue are sequentially arranged into a hard pouring sealant (20), a soft pouring sealant (21) and the hard pouring sealant (20).

4. A reconfigurable endoscope as in claim 1, wherein: the waterproof luer plug is characterized in that a soft rubber anti-falling rope (19) is sleeved at the top end of the waterproof luer plug (5), the other end of the soft rubber anti-falling rope (19) is sleeved on a luer leakage detection head (18), a second sealing ring (17) is arranged in a sealing ring groove on the outer peripheral surface of the luer leakage detection head (18), the luer leakage detection head (18) is fixed in a mounting hole corresponding to the lower cover (6) of the endoscope handle in a dispensing mode, and the waterproof luer plug (5) is rotatably mounted on the luer leakage detection head (18).

5. A reconfigurable endoscope as in claim 1, wherein: a third sealing ring (23) is arranged in a sealing ring groove on the outer peripheral surface of the decorative plug (9), and the decorative plug (9) is connected in a groove corresponding to the top of the lower cover (6) of the endoscope handle in a locking manner through a locking nut (24).

6. A reconfigurable endoscope as in claim 1, wherein: the utility model provides a button B (10) is including button switch (25), keypad (26), spring (29), button main part (30) and button core (31), button core (31) point gluing is in button main part (30), button core (31) are opened there is the side opening, install fourth sealing washer (32) in the sealing washer groove of button main part (30) outer peripheral face, button main part (30) internally mounted spring (29), spring (29) suit is in on button core (31), button main part (30) are installed in the mounting hole that endoscope handle lower cover (6) corresponds, the mounting groove bottom of button main part (30) is provided with support (28) on endoscope handle lower cover (6), it has the side opening to open on support (28), button switch (25) are welded on keypad (26), keypad (26) are welded and are pressed key line (27), keypad (26) are in with gluing in the groove that support (28) correspond, the both ends face (28) of spring (29) are in support (28) and one end face of step.

7. A reconfigurable endoscope as in claim 1, wherein: the endoscope handle lower cover (6) with the endoscope handle upper cover (14) passes through screwed connection, the connection terminal surface design of endoscope handle upper cover (14) is boss structure, the connection terminal surface design of endoscope handle lower cover (6) is groove structure, boss structure with groove structure assorted and lock together, install sealing strip (33) in the groove structure, endoscope handle upper cover (14) with endoscope handle lower cover (6) pass through screw locking location, the exposed end of screw is covered with soft plug (13).

8. A reconfigurable endoscope as in claim 6, wherein: the key B (10) can be replaced by an attraction valve structure.

9. A reconfigurable endoscope as in claim 6, wherein: the decoration plug (9) is replaced by a luer adapter (34), a fifth sealing ring (35) is arranged in a sealing ring groove on the outer peripheral surface of the luer adapter (34), the luer adapter (34) is arranged in a mounting hole corresponding to a lower cover (6) of an endoscope handle, the key board (26) is replaced by a hose (36), and the hose (36) sequentially penetrates through a lower hole of the support (28), a side hole of the key core (31) and an upper hole of the support (28) and then is connected with a pagoda connector at the bottom of the luer adapter (34).

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