Handle assembly and endoscope

Abstract

The utility model discloses a handle assembly and an endoscope. The handle assembly comprises a handle part, a rotating part and an inserting structure; the rotating part is rotationally connected with the handle part; the insertion structure is connected with the rotating part, and the rotating part rotates relative to the handle part to drive the insertion structure to rotate together; a clamping part is arranged on one of the handle part and the rotating part, a plurality of matching parts matched with the clamping part are arranged on the other one of the handle part and the rotating part, and the clamping part can be matched with the matching parts in a one-to-one correspondence mode, so that the rotating part can be limited and fixed to a plurality of positions, in the circumferential direction, of the handle part. According to the technical scheme provided by the utility model, the rotating angle of the rotating part can be effectively controlled, so that the angle adjustment of the insertion structure can be more accurate, observation operation can be performed for a long time at each corresponding position, the position does not need to be repeatedly adjusted, the detection and treatment of an affected part are more facilitated, and the working efficiency can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of medical apparatus and instruments, and particularly relates to a handle assembly and an endoscope. BACKGROUND

[0002] As a kind of minimally invasive examination and treatment medical instrument, endoscope is mainly used for diagnosing and treating various diseases. By entering the body through natural orifice or small incision of surgery, doctors can clearly observe the condition in the body, diagnose various diseases and various auxiliary treatments, such as polypectomy, lithotripsy, etc. The traditional endoscope can realize the rotation of the front end insertion part by rotating the whole operation part, thereby increasing the field of view for the doctor to observe, which is beneficial to better observe the affected area and improve the accuracy of the operation. However, when the operation part rotates as a whole, on the one hand, the angle held by the operator changes, and the hand is prone to fatigue during long-time operation at a special angle, which is not stable. On the other hand, it is not easy to control the angle of rotation, and the angle needs to be adjusted repeatedly many times, which reduces the operation efficiency. SUMMARY

[0003] In order to solve the above technical problems, the main purpose of the utility model is to provide a handle assembly and an endoscope, which aims to solve the problem that the traditional endoscope is not easy to adjust the observation angle, which easily leads to fatigue of the operator's hand, and the control of the rotation angle is not convenient, which makes the operation efficiency low.

[0004] In order to achieve the above purpose, the utility model provides a handle assembly, which comprises:

[0005] a handle part;

[0006] a rotating part, which is rotationally connected with the handle part;

[0007] an insertion structure, which is connected with the rotating part, and the rotating part rotates relative to the handle part to drive the insertion structure to rotate together;

[0008] wherein one of the handle part and the rotating part is provided with a clamping part, and the other is provided with a plurality of matching parts matched with the clamping part, the clamping part can be matched with the plurality of matching parts one by one, so that the rotating part can be limited and fixed at a plurality of positions along the circumference of the handle part.

[0009] Optionally, the plurality of matching parts are arranged in sequence along the rotation direction, in the process that the clamping part moves from one of the adjacent two matching parts to the other, the clamping part can be elastically deformed, and when the clamping part is clamped in place with the corresponding matching part and the deformation is restored, the deformation energy of the clamping part can be converted into sound waves, and / or at least part of the clamping part collides with the matching part when the deformation is restored.

[0010] Optionally, the handle part comprises a holding part and a connecting part arranged at the front end of the holding part, and the clamping part comprises elastic clamping protrusions arranged on the connecting part;

[0011] The rotating part is arranged outside the connecting part, the matching part comprises clamping grooves arranged inside the rotating part, and the elastic clamping protrusions can be sequentially clamped and matched with the clamping grooves.

[0012] Optionally, the connecting part is arranged in a cylindrical shape and has a connecting end and a free end arranged in opposite directions along the axial direction of the connecting part, the connecting end is connected with the holding part, the free end is formed with a connecting gap extending along the circumferential direction of the connecting part, and the part of the connecting part between the connecting gap and the end of the free end forms the elastic clamping protrusions.

[0013] Optionally, two elastic clamping protrusions are arranged, the two elastic clamping protrusions are arranged at intervals along the circumferential direction of the connecting part, and the part of the connecting part connected between the two elastic clamping protrusions is arranged in a hollow manner.

[0014] Optionally, the insertion structure comprises:

[0015] an insertion part;

[0016] a silica gel part connected with the rotating part and in which the insertion part is inserted;

[0017] a connecting shaft having one end rotatably connected with the handle part and the other end connected with the rotating part and the silica gel part;

[0018] The rotating part is rotated under the action of an external force, thereby driving the silica gel part, the insertion part and the connecting shaft to rotate together.

[0019] Optionally, at least part of the rotating part can extend into the silica gel part, the inner side of the silica gel part is provided with a clamping protrusion, the part of the rotating part extending into the silica gel part is provided with a clamping groove, the clamping groove extends along the circumferential direction of the rotating part and is clamped and matched with the clamping protrusion.

[0020] Optionally, the inner side of the rotating part is provided with a first clamping groove, and the silica gel part is provided with a second clamping groove corresponding to the first clamping groove, and the first clamping groove and the second clamping groove both extend along the axial direction of the rotating part.

[0021] The outer side of the connecting shaft is provided with a clamping boss, and the clamping boss is arranged in the corresponding first clamping groove and second clamping groove.

[0022] Optionally, the handle assembly further comprises a snap ring arranged at the connecting end, the snap ring and the handle part are arranged in a spaced manner along the axial direction of the snap ring to enclose a limiting groove, and one end of the connecting shaft is rotatably arranged in the limiting groove.

[0023] The utility model also provides an endoscope, including above-mentioned handle assembly.

[0024] The technical scheme provided by the utility model has the following beneficial effects:

[0025] The handle assembly provided by the utility model comprises a handle part, a rotating part and an insertion structure, wherein the handle part can be used for an operator to hold, the rotating part is rotatably arranged on the handle part and connected with the insertion structure, the insertion structure can be rotated by rotating the rotating part, thereby the observation angle of the front end to the affected part can be adjusted to increase the detection visual angle of the operator, and the relative position of the rotating part and the handle part can be better limited when the clamping part is clamped and matched with one of the matching parts, the rotating part can be fixed at one position of the handle part when the clamping part is clamped and matched with another one of the matching parts, the rotating angle of the rotating part can be effectively controlled by adjusting the interval between the matching parts, the angle adjustment of the insertion structure can be more accurate, observation operation can be performed for a long time at each position, the position does not need to be repeatedly adjusted, the detection and treatment of the affected part are more beneficial, and the work efficiency can be effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the structure shown in these drawings without creative labor.

[0027] Figure 1 It is an embodiment structure schematic view of the handle assembly provided by the utility model;

[0028] Figure 2 It is an embodiment structure schematic view of the handle assembly provided by the utility model; Figure 1

[0029] Figure 3 It is an embodiment structure schematic view of the handle assembly provided by the utility model; Figure 1 ​​

[0030] Figure 4 for Figure 1 Fig. 1 is a schematic view of a cross-sectional structure of the handle assembly along the axial direction of the rotating part;

[0031] Figure 5 for Figure 1 Fig. 2 is a schematic view of an exploded structure of the handle assembly;

[0032] Figure 6 for Figure 1 Fig. 3 is another schematic view of an exploded structure of the handle assembly;

[0033] Figure 7 for Figure 1 Fig. 4 is still another schematic view of an exploded structure of the handle assembly.

[0034] Brief Description of the Drawings:

[0035] 100-handle assembly; 1-handle part; 11-grip part; 12-connection part; 13-elastic clamping protrusion; 2-rotating part; 21-matching part; 211-clamping groove; 22-first clamping groove; 23-clamping recess; 3-inserting structure; 31-inserting part; 32-silicone part; 321-second clamping groove; 322-clamping protrusion; 33-connection shaft; 331-clamping boss; 4-clamping ring.

[0036] The purposes, functional features and excellent effects of the utility model will be further described below in combination with specific embodiments and the drawings. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0038] It should be noted that if the directionality indication is involved in the embodiments of the utility model, the directionality indication is only used to explain the relative position relationship, movement condition and the like between the components in a certain specific posture, and if the specific posture changes, the directionality indication also changes accordingly.

[0039] In addition, if the description of "first", "second" and the like is involved in the embodiments of the present application, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes. For example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor in the protection scope required by the present application.

[0040] The utility model provides a handle assembly 100 suitable for endoscope. Specifically, please refer to Figure 1 、 Figure 2 and Figure 4 In the embodiment, the handle assembly 100 includes handle part 1, rotating part 2 and insertion structure 3, the rotating part 2 is connected with handle part 1 rotation, the insertion structure 3 is connected with rotating part 2, rotating part 2 relative to handle part 1 rotates, drives insertion structure 3 and rotates together, wherein, one of handle part 1 and rotating part 2 is equipped with clamping part, and the other is equipped with a plurality of cooperation parts 21 matched with clamping part, clamping part can be respectively and a plurality of cooperation parts 21 one-to-one matched, so that rotating part 2 can be limited and fixed at a plurality of positions along the circumference of handle part 1.

[0041] In the embodiment, the handle part 1 is used for the operator to hold, the rotating part 2 is arranged on the handle part 1 and connected with the insertion structure 3, by rotating the rotating part 2, the insertion structure 3 is driven to rotate, so that the observation angle of the front end to the affected area is adjusted to increase the detection visual angle of the operator; and the clamping part is arranged on one of the handle part 1 and the rotating part 2, and the plurality of matching parts 21 are arranged on the other one, when the clamping part is clamped and matched with one of the matching parts 21, the rotating part 2 is fixed at one position of the handle part 1, when the clamping part is clamped and matched with the other one of the matching parts 21, the rotating part 2 is fixed at the other position of the handle part 1, the relative position of the rotating part 2 and the handle part 1 is better limited, by adjusting the interval between the plurality of matching parts 21, the rotation angle of the rotating part 2 is effectively controlled, the angle adjustment of the insertion structure 3 is more accurate, the observation operation can be performed for a long time at each position, the position does not need to be repeatedly adjusted, the detection and treatment of the affected area are more beneficial, and the work efficiency is effectively improved.

[0042] Moreover, in the process of rotating the rotating part 2, in order to make the operator better perceive that the rotating part 2 is rotating, sound feedback can be emitted in the process of rotating the rotating part 2. Specifically, the plurality of matching parts 21 are arranged in sequence along the rotation direction, in the process that the clamping part moves from one of the adjacent two matching parts 21 to the other one, the clamping part can be elastically deformed, and when the clamping part is clamped in place with the corresponding matching part 21 and the deformation is restored, the deformation energy of the clamping part can be converted into sound waves, and / or at least part of the clamping part collides with the matching part 21 when the deformation is restored, to emit a collision sound, better prompting the operator that the rotating part 2 is rotating, and the operation feeling is better.

[0043] Among them, the clamping part can be made of elastic plastic material or metal material, when the elastic deformation is restored, the corresponding sound can be emitted, better forming the prompt sound.

[0044] Preferably, the clamping part is arranged on the handle part 1, and the matching part 21 is arranged on the rotating part 2. Specifically, in combination with Figure 3 and Figure 4As shown, the handle part 1 comprises a holding part 11 and a connecting part 12 arranged at the front end of the holding part 11, and the clamping part comprises a resilient clamping protrusion 13 arranged on the connecting part 12; the rotating part 2 is rotatably arranged outside the connecting part 12, the matching part 21 comprises a clamping groove 211 arranged inside the rotating part 2, and the resilient clamping protrusion 13 can be sequentially clamped and matched with a plurality of clamping grooves 211. Wherein, the rotating part 2 can be driven to rotate by a driving part, so that the front end insertion structure 3 is more intelligent in adjustment; or the rotating part 2 is directly rotated by the operator's hand, the adjustment operation is simple and convenient, and the structure is simpler.

[0045] When set in the initial position, the clamping part is clamped in the first matching part 21, and by rotating the rotating part 2, the clamping part can be sequentially clamped in the second, third and sequentially arranged multiple matching parts 21. Wherein, a plurality of matching parts 21 can be uniformly distributed along the circumference of the rotating part 2, and each rotation of the rotating part 2 by a predetermined angle can make the clamping part clamped in one matching part 21, so that the detection angle of the insertion structure 3 changes correspondingly. Wherein, the predetermined angle can be set to 10°, 15°, 20°, 30°, 45°, 60°, 90°, etc., according to the requirement of adjustment accuracy, a corresponding number of matching parts 21 can be set, so that the detection visual angle of multiple angles can be better obtained, and the observation of the operator is more accurate.

[0046] Further, the connecting part 12 is arranged in a cylindrical shape, preferably the connecting part 12 is arranged in a cylindrical shape with both ends open, and the inner cavity forms a mounting space for other components to pass through. The connecting part 12 has a connecting end and a free end arranged oppositely along the axial direction, the connecting end is connected with the holding part 11, preferably the connecting end is integrally arranged with the holding part 11. The free end is formed with a connecting gap extending along the circumference of the connecting part 12, and the part of the connecting part 12 between the connecting gap and the end of the free end forms the resilient clamping protrusion 13. Specifically, the side wall at the front section of the connecting gap forms the elastic wall of the resilient clamping protrusion 13, and the convex is arranged on the side wall, the elastic wall and the convex together form the resilient clamping protrusion 13, the resilient clamping protrusion 13 and the connecting part 12 can be integrally formed, which is more convenient to manufacture, can reduce the assembly steps, and can also ensure that the resilient clamping protrusion 13 has enough deformation space.

[0047] Preferably, the elastic clamping protrusions 13 are provided in two, and the two elastic clamping protrusions 13 are arranged along the circumference of the connecting portion 12, preferably the two elastic clamping protrusions 13 are symmetrically arranged, and the part between the two elastic clamping protrusions 13 is hollow, so as to further increase the deformation space of the elastic clamping protrusions 13, and at the same time, make the rotation prompt sound larger. Correspondingly, the plurality of matching portions 21 are symmetrically arranged along the circumference of the rotating portion 2, so that the two elastic clamping protrusions 13 can be symmetrically clamped on both sides of the rotating portion 2, and the stress is more balanced.

[0048] For the insertion structure 3, the front end of the insertion structure 3 is used to extend into the patient's body, and a camera module is provided at the front end of the insertion structure 3 to better obtain image information of the affected area. Specifically, in combination with Figure 2 and Figure 5 It is shown that the insertion structure 3 comprises an insertion portion 31, a silica gel piece 32, and a connecting shaft 33; the insertion portion 31 comprises an insertion tube, which is suitable for extending into the patient's body; the silica gel piece 32 is connected with the rotating portion 2, and the insertion portion 31 is inserted into the inside of the silica gel piece 32; one end of the connecting shaft 33 is rotatably connected with the handle portion 1, and the other end is connected with the rotating portion 2 and the silica gel piece 32; the rotating portion 2 is rotated under the action of external force, driving the silica gel piece 32, the insertion portion 31 and the connecting shaft 33 to rotate together, so that the rotation of the front end insertion portion 31 can be adjusted by adjusting the rotating portion 2 outside the patient's body, and the image information of the affected area at different angles can be better obtained.

[0049] Further, at least part of the rotating portion 2 can extend into the silica gel piece 32 to be connected with the silica gel piece 32. Preferably, in combination with Figure 5 and Figure 6 It is shown that the rotating portion 2 is arranged in a circular ring shape, the silica gel piece 32 is arranged in a substantially conical shape, the diameter of the cross section of one end of the silica gel piece 32 connected with the rotating portion 2 is large, the diameter of the cross section of the front end of the silica gel piece 32 is small, and the insertion portion 31 is fixedly sleeved on the inside of the silica gel piece 32. Among them, at the sleeving position of the rotating portion 2 and the silica gel piece 32, the inside of the silica gel piece 32 is provided with a clamping protrusion 322, and the part of the rotating portion 2 extending into the silica gel piece 32 is provided with a clamping groove 23, the clamping groove 23 is arranged along the circumference of the rotating portion 2 and is clamped and matched with the clamping protrusion 322, so as to limit the relative position of the rotating portion 2 and the silica gel piece 32 along the axial direction.

[0050] Further, in combination with Figure 5 and Figure 6As shown, a first clamping groove 22 is arranged on the inner side of the rotating part 2, a second clamping groove 321 corresponding to the first clamping groove 22 is arranged on the silica gel piece 32, and the first clamping groove 22 and the second clamping groove 321 are arranged along the axial direction of the rotating part 2; a clamping boss 331 is arranged on the outer side of the connecting shaft 33, and the clamping boss 331 is clamped in the corresponding first clamping groove 22 and second clamping groove 321, so as to limit the relative position of the rotating part 2 and the silica gel piece 32 along the circumferential direction, and when the rotating part 2 rotates under the action of an external force, the silica gel piece 32, the connecting shaft 33 and the insertion part 31 can be better driven to rotate together.

[0051] Furthermore, in combination with Figure 4 and Figure 7 As shown, the handle assembly 100 further comprises a clamping ring 4 arranged on the connecting end, the clamping ring 4 and the handle part 1 are arranged in a spaced manner along the axial direction of the clamping ring 4 to form a limiting groove, and one end of the connecting shaft 33 is arranged in the limiting groove. The clamping ring 4 is substantially annular, and the clamping ring 4 is clamped on the rear end of the connecting part 12 along the axial direction thereof. The rear end of the connecting shaft 33 is provided with a flange on the outer side thereof, the flange is pressed and connected to the other side of the clamping ring 4 and can rotate relative to the clamping ring 4, one side of the connecting shaft 33 is abutted by the clamping ring 4, and the other side of the connecting shaft 33 is abutted by the inner convex surface of the handle part 1. Furthermore, the clamping ring 4 is arranged in a non-entire annular manner, when assembling, the connecting shaft 33 can be first inserted from front to back through the connecting part 12, and then the clamping ring 4 is clamped on the outer side of the connecting shaft 33 through the opening of the clamping ring 4, so as to limit the connecting shaft 33; when disassembling, the clamping ring 4 can be first disassembled, and then the connecting shaft 33 can be disassembled, so that the assembly and disassembly are more convenient.

[0052] In addition, a plurality of recesses are arranged on the outer circumferential side surface of the rotating part 2, and the plurality of recesses can increase the friction system of the outer circumferential side surface of the rotating part 2, so that the operator can rotate the rotating part 2 more easily. Furthermore, an adjusting boss is protruded on the circumferential side of the rotating part 2, the adjusting boss can be used for pushing the rotating part 2 to rotate on one hand, and can form a mark of the initial position of the rotating part 2 on the other hand, so that the position of the rotating part 2 can be observed more conveniently.

[0053] The utility model further provides a kind of endoscope, and the endoscope includes above-mentioned handle assembly 100, by the handle assembly 100, when detecting or treating, the angle of front end insertion structure 3 can be flexibly and conveniently adjusted, so that the detection angle of endoscope is greater, and the adjustment of detection field of view is more convenient.

[0054] It should be noted that, in the normal use of the endoscope, the endoscope is front near the patient and back away from the patient. The silicone part of the insertion structure 3 is connected to the front end of the rotating part 2, and the handle part 1 is connected to the rear end of the rotating part 2. The description of the direction in the utility model can be referred to.

[0055] The above is only the preferred embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure made by using the content of the utility model specification and drawings, or directly or indirectly used in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A handle assembly comprising: The handle assembly comprises: a handle part; a rotating part rotatably connected with the handle part; an insertion structure connected with the rotating part, the rotating part rotates relative to the handle part to drive the insertion structure to rotate together; wherein one of the handle part and the rotating part is provided with a clamping part, and the other is provided with a plurality of matching parts matched with the clamping part, the clamping part can be matched with the plurality of matching parts one by one, so that the rotating part can be limited and fixed at a plurality of positions along the circumference of the handle part.

2. The handle assembly of claim 1, wherein, The plurality of matching parts are arranged in sequence along the rotation direction, in the process that the clamping part moves from one of the two adjacent matching parts to the other, the clamping part can be elastically deformed, and when the clamping part is clamped in place and the deformation is restored, the deformation energy of the clamping part can be converted into sound waves, and / or at least part of the clamping part collides with the matching part when the deformation is restored.

3. The handle assembly of claim 2, wherein, The handle part comprises a holding part and a connecting part provided at the front end of the holding part, and the clamping part comprises an elastic clamping protrusion provided on the connecting part; The rotating part is rotatably arranged outside the connecting part, the matching part comprises a clamping groove provided on the inner side of the rotating part, and the elastic clamping protrusion can be sequentially matched with a plurality of clamping grooves.

4. The handle assembly of claim 3, wherein, The connecting part is in a cylindrical shape and has a connecting end and a free end arranged in opposite directions along the axial direction of the connecting part, the connecting end is connected with the holding part, the free end is formed with a connecting gap extending along the circumference of the connecting part, and the part of the connecting part between the connecting gap and the end of the free end forms the elastic clamping protrusion.

5. The handle assembly of claim 4, wherein, The elastic clamping protrusion is provided with two, the two elastic clamping protrusions are arranged in a spaced manner along the circumference of the connecting part, and the part region connected between the two elastic clamping protrusions is provided in a hollow manner.

6. The handle assembly of claim 4, wherein, The insertion structure comprises: an insertion part; a silica gel piece connected with the rotating part and in which the insertion part is inserted; a connecting shaft having one end rotatably connected with the handle part and the other end connected with the rotating part and the silica gel piece; The rotating part is driven to rotate by external force, driving the silica gel piece, the insertion part and the connecting shaft to rotate together.

7. The handle assembly of claim 6, wherein, At least part of the rotating part can extend into the silica gel piece, wherein the inner side of the silica gel piece is provided with a clamping protrusion, and the part of the rotating part extending into the silica gel piece is provided with a clamping groove extending along the circumference of the rotating part and matched with the clamping protrusion.

8. The handle assembly of claim 7, wherein, The inner side of the rotating part is provided with a first clamping groove, and the silica gel piece is provided with a second clamping groove corresponding to the first clamping groove, and the first clamping groove and the second clamping groove extend along the axial direction of the rotating part; The outer side of the connecting shaft is provided with a clamping boss, and the clamping boss is arranged in the corresponding first clamping groove and second clamping groove.

9. The handle assembly of claim 6, wherein, The handle assembly further comprises a clamping ring arranged on the connecting end, the clamping ring and the handle part are arranged in a spaced manner along the axial direction of the clamping ring to form a limiting groove, and one end of the connecting shaft is rotatably arranged in the limiting groove.

10. An endoscope characterized by comprising: A handle assembly as claimed in any one of claims 1 to 9. A handle assembly as claimed in any one of claims 1 to 9.

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