Operating handle assembly

Abstract

The utility model discloses an operating handle assembly, and belongs to the technical field of surgical auxiliary instruments. The catheter is provided with an operation guide wire in a penetrating manner; the adjusting cylinder slidably sleeves the catheter, and the other end of the adjusting cylinder is provided with a handle body; and the fixing piece is mounted on the adjusting cylinder. When the end part of the catheter is influenced by the temperature of the operating guide wire to deform, the end part of the catheter can be cut off or cut off, the fixing piece is unfastened, so that the catheter can axially move relative to the adjusting cylinder, the end part of the catheter can completely wrap the structure of the end part of the operating guide wire, and then the fixing piece is mounted, so that the catheter and the adjusting cylinder are fixed; therefore, the catheter can supplement the position of a cut section, it is guaranteed that the catheter can wrap the end of the operation guide wire so that the operation guide wire can be continuously used next time, the end of the cut catheter is smooth, normal stretching and retracting of the operation guide wire cannot be affected, the influence of deformation of the end of the catheter on work of the operation guide wire is avoided, and the service life of the operation guide wire is prolonged. And the harm possibly generated due to the fact that the operation guide wire cannot be completely collected into the catheter during working can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to surgical auxiliary instrument technical field, especially a kind of operating handle assembly. BACKGROUND

[0002] In the instrument such as cutting knife in electric cutting instrument, the front end position of catheter sleeved outside cutting knife is prone to melt deformation and other damages due to the high temperature of cutting knife, resulting in the extension or retraction of cutting knife being affected due to the deformation of catheter front end, which is not conducive to actual operation. SUMMARY

[0003] The utility model aims at providing a kind of operating handle assembly, to solve one or more technical problems existing in prior art, at least provide a beneficial choice or create conditions.

[0004] To solve the above technical problems, the technical scheme adopted is: an operating handle assembly, comprising: a catheter, an operating guide wire is arranged through the catheter;Adjusting barrel, one end of the adjusting barrel is slidably sleeved on one end of the catheter, the other end of the adjusting barrel is provided with a handle body, one end of the operating guide wire is installed on the handle body, and the other end of the operating guide wire passes through the adjusting barrel and extends into the catheter;Fixed part, installed on the adjusting barrel, the fixed part is used to fix the catheter.

[0005] The technical scheme at least has the beneficial effects as follows: when the end of the catheter is deformed due to the temperature of the operating guide wire, the end of the catheter can be cut off or cut off, at this time, the catheter can not completely wrap the end structure of the operating guide wire, by unlocking the fixed part, the catheter can move axially relative to the adjusting barrel, so that the end of the catheter can completely wrap the structure of the end of the operating guide wire, and then the fixed part is installed to fix the catheter and the adjusting barrel, so that the catheter can supplement the position cut by the cutting, and the catheter can wrap the end of the operating guide wire to ensure that it can be used next time, and the cut end of the catheter is flat, which will not affect the normal extension and retraction of the operating guide wire, so as to solve the influence of the deformation of the end of the catheter on the operation of the operating guide wire, and facilitate long-term stable and good use.

[0006] As a further improvement of the above technical scheme, a plurality of elastic clamping pieces are arranged on one end face of the adjusting barrel around the axis, the fixed part is an adjusting sleeve threadedly installed on the adjusting barrel, the elastic clamping pieces are in the adjusting sleeve, and a closing ring with a tapered inner side is arranged at one end of the adjusting sleeve, when the adjusting barrel is rotated to the position where the elastic clamping pieces abut against the tapered surface, the plurality of elastic clamping pieces can be close to each other and clamp the catheter. By rotating the adjusting sleeve, the catheter can be fixed or loosened.

[0007] As a further improvement of the above technical solution, the elastic clamping piece is integrally formed with the adjusting cylinder. The connection stability of the elastic clamping piece and the adjusting cylinder is improved, and production is facilitated.

[0008] As a further improvement of the above technical solution, the adjusting cylinder is a transparent tube. The remaining length of the catheter can be observed.

[0009] As a further improvement of the above technical solution, a length scale is arranged on the outside of the adjusting cylinder. By comparing the scale, the moving length of the catheter can be adjusted.

[0010] As a further improvement of the above technical solution, a connecting head is arranged at one end of the adjusting cylinder, and the connecting head is screwed with the handle body. The adjusting cylinder can be conveniently installed and removed.

[0011] As a further improvement of the above technical solution, a mounting groove is arranged on one side of the connecting head for embedding the adjusting cylinder, and the adjusting cylinder is bonded to the side wall of the mounting groove. The mounting efficiency can be improved.

[0012] As a further improvement of the above technical solution, a cutting member is further included, the cutting member comprises two blade handles rotatably connected at one end, and blades are arranged on the sides of the two blade handles close to each other. The blades on the two blade handles are overlapped and cut, so that the end of the catheter can be conveniently cut flat.

[0013] As a further improvement of the above technical solution, the handle body is provided with a storage box for storing the cutting member. The cutting member can be conveniently stored, and the cutting member can be prevented from being lost.

[0014] As a further improvement of the above technical solution, the storage box is provided with an opening for embedding the storage box, and magnetic attraction members are arranged between the storage box and the cutting member for mutual attraction. The cutting member can be prevented from being separated from the storage box. BRIEF DESCRIPTION OF DRAWINGS

[0015] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

[0016] Figure 1 The present application is an overall structural schematic diagram of the embodiment of the present application.

[0017] Figure 2 The present application is a cross-sectional structural schematic diagram of the embodiment of the present application.

[0018] Figure 3 The present application is Figure 2 The present application is an enlarged structural schematic diagram of position A in the middle.

[0019] Figure 4 The present application is a structural schematic diagram of the cutting member in the embodiment of the present application.

[0020] 100, catheter; 110, operation guide wire; 200, adjusting cylinder; 210, elastic clamping piece; 220, adjusting sleeve; 230, closing ring; 231, taper surface; 240, length scale line; 300, handle body; 400, connecting head; 410, mounting groove; 500, cutting piece; 510, knife handle; 520, blade; 530, rotating shaft; 600, storage box. DETAILED DESCRIPTION

[0021] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are used only for explaining the present application, and cannot be understood as a limitation of the present application.

[0022] In the description of the present application, it should be understood that, in relation to the orientation description, for example, the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0023] In the description of the present application, the meaning of several is one or more, and the meaning of multiple is more than two, greater than, less than, more than, etc. are understood as not including the number, and above, below, etc. are understood as including the number. If it is described as first, second, it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the sequence of indicated technical features.

[0024] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installing, connecting, etc. should be broadly understood, and the person skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical scheme.

[0025] Referring to Figures 1-4 The operation handle assembly includes a catheter 100, an adjusting cylinder 200, and a handle body 300. The handle body 300 includes a handle body and a sliding block slidingly arranged in the middle of the handle body. A sliding ring is arranged on the outside of the handle body, and the sliding ring is fixedly connected with the sliding block. Finger rings are fixedly installed on the two outer sides of the sliding ring.

[0026] The one end of the adjusting cylinder 200 is provided with a connecting head 400, the connecting head 400 is provided with external threads away from the one end of the adjusting cylinder 200, the handle body is provided with a connecting slot at one end, the side wall of the connecting slot is provided with internal threads matched with the external threads, so that the connecting head 400 is threadedly connected with the handle body. The mounting slot 410 is formed in the middle of the end face of the connecting head 400 away from the handle body, the one end of the catheter 100 can be embedded in the mounting slot 410, and the end of the catheter 100 is fixedly connected with the side wall of the mounting slot 410 through glue, so that the assembly efficiency is improved. Thus, the adjusting cylinder 200 and the handle body 300 are assembled and connected.

[0027] The one end of the adjusting cylinder 200 is provided with a connecting head 400, the connecting head 400 is provided with external threads away from the one end of the adjusting cylinder 200, the handle body is provided with a connecting slot at one end, the side wall of the connecting slot is provided with internal threads matched with the external threads, so that the connecting head 400 is threadedly connected with the handle body. The mounting slot 410 is formed in the middle of the end face of the connecting head 400 away from the handle body, the one end of the catheter 100 can be embedded in the mounting slot 410, and the end of the catheter 100 is fixedly connected with the side wall of the mounting slot 410 through glue, so that the assembly efficiency is improved. Thus, the adjusting cylinder 200 and the handle body 300 are assembled and connected.

[0028] The operating guide wire 110 is arranged in the catheter 100, the one end of the operating guide wire 110 is provided with a structure, such as a high-frequency electric knife, the other end of the operating guide wire 110 passes through the adjusting cylinder 200 and is fixedly connected with the sliding block. The sliding block can be moved by operating the finger ring, so that the operating guide wire 110 can be pushed and pulled, and the structure at the end of the operating guide wire 110 can be extended out of the catheter 100 or retracted into the catheter 100.

[0029] When the end of the catheter 100 is deformed due to the temperature of the operating guide wire 110, the deformed part of the end of the catheter 100 can be cut or clipped, at this time, the catheter can not completely wrap the end structure of the operating guide wire, and when the catheter 100 moves in the human body tissue, the operating guide wire 110 not wrapped by the catheter 100 is easy to scratch the human body tissue. The embodiment can release the fixing part, so that the catheter 100 can move axially relative to the adjusting cylinder 200, the end of the catheter 100 can completely wrap the structure at the end of the operating guide wire 110, the fixing part is installed again, so that the catheter 100 is fixed relative to the adjusting cylinder 200, so that the catheter 100 can supplement the position cut by a certain length, and the end of the catheter 100 can wrap the end of the operating guide wire 110, so as to ensure the safety and reliability of the next use. The end of the cut catheter 100 is flat, and does not affect the normal extension and retraction of the operating guide wire 110, so as to solve the influence of the deformation of the end of the catheter 100 on the operation of the operating guide wire 110, and facilitate long-term stable and good use.

[0030] The adjusting cylinder 200 is provided with a plurality of elastic clamping pieces 210 around the end face away from the connector 400, and gaps exist between the elastic clamping pieces 210. The elastic clamping pieces 210 are integrally formed with the adjusting cylinder 200. It can be understood that the end face of the adjusting cylinder 200 is provided with a plurality of circumferentially distributed notches to form the elastic clamping pieces 210. The adjusting cylinder 200 can be made of polypropylene (PP) material.

[0031] The fixing member is an adjusting sleeve 220 sleeved outside the plurality of elastic clamping pieces 210. The end of the adjusting sleeve 220 close to the connector 400 is threadedly connected with the adjusting cylinder 200. The end of the adjusting sleeve 220 away from the connector 400 is integrally provided with a closed ring 230. The inner side of the closed ring 230 is formed with a tapered surface 231. When the adjusting sleeve 220 is rotated in the forward direction, the adjusting sleeve 220 moves axially under the threaded connection between the adjusting sleeve 220 and the adjusting cylinder 200. When the adjusting sleeve 220 moves to the position where the elastic clamping pieces 210 away from the end of the adjusting cylinder 200 contact the tapered surface 231, the plurality of elastic clamping pieces 210 are deformed to clamp the catheter 100, thereby fixing the catheter 100 to the adjusting cylinder 200. By rotating the adjusting sleeve 220 in the reverse direction, the adjusting sleeve 220 moves axially to the position where the elastic clamping pieces 210 are separated from the tapered surface 231, so that the plurality of elastic clamping pieces 210 release the catheter 100, thereby facilitating the adjustment of the axial position of the catheter 100 relative to the adjusting cylinder 200.

[0032] In other embodiments, the fixing member can also be a clamp fixed at the end of the adjusting cylinder 200 away from the connector 400. The clamp is located at one side of the catheter 100. One end of the clamp is elastically connected or rotationally connected with an elastic plate. The elastic plate is located at the other side of the catheter 100. A threaded rod is provided at the end of the elastic plate away from the clamp. The threaded rod is threadedly connected with the clamp. By tightening the threaded rod, the clamp and the elastic plate clamp the catheter 100, thereby fixing the catheter 100 to the adjusting cylinder 200. By loosening the threaded rod, the elastic plate releases the catheter 100, so that the catheter 100 can slide relative to the adjusting cylinder 200 to adjust the position of the catheter 100.

[0033] The adjusting cylinder 200 is a transparent tube. A length scale 240 is provided on the outer side of the adjusting cylinder 200. The length scale 240 is a standard millimeter scale, so as to understand the position of the end of the catheter 100 and the axial displacement of the catheter 100 required for adjustment.

[0034] The operation handle assembly further comprises a cutting piece 500, the cutting piece 500 comprises two knife handles 510, one end of the two knife handles 510 is provided with a rotating shaft 530, one end of the two knife handles 510 is rotationally connected through the rotating shaft 530, and the opposite sides of the knife handles 510 are both provided with a clearance slot, and the clearance slot is embedded with a blade 520, and the cutting edges of the two blades 520 are located on opposite sides. When the two knife handles 510 are closed, the cutting edges of the two blades 520 are in contact with each other. The blade 520 of one of the knife handles 510 is pressed to one side of the end of the catheter 100, and then the other knife handle 510 is closed, so that the two blades 520 can cut the end of the catheter 100 flat, facilitating the repair and maintenance of the catheter 100.

[0035] A storage box 600 is fixedly installed on one side of the handle body, one side of the storage box 600 is provided with an opening, and when the two knife handles 510 are closed, the cutting piece 500 can be embedded in the storage box 600. A magnetic attraction member is arranged between the storage box 600 and the knife handle 510, the magnetic attraction member comprises a male part and a female part which can be attracted to each other, for example, the male part and the female part are magnets with opposite magnetic properties, for example, the male part and the female part are iron products and magnets respectively. One of the male part and the female part is fixedly installed on the inner bottom wall of the storage box 600, and the other is installed on the position of the knife handle 510 close to the rotating shaft 530. When the cutting piece 500 is embedded in the storage box 600, under the action of the magnetic attraction member, the cutting piece 500 can be prevented from coming out of the storage box 600, facilitating the storage of the cutting piece 500. The overall length of the cutting piece 500 is greater than the depth of the storage box 600, that is, the ends of the two knife handles 510 away from the rotating shaft 530 are partially protruding out of the opening of the storage box 600, and recessed groove structures are formed on both sides to facilitate the application of force to the cutting piece 500 to overcome the magnetic attraction of the magnetic attraction member and remove the cutting piece 500 for use.

[0036] In other embodiments, the storage box 600 can also be a storage box 600 with a cover, and the cover and the box body are fixed through buckling. By opening the cover, the cutting piece 500 can be conveniently stored in the storage box 600.

[0037] It should be noted that the utility model can also be used in the process of taking out the basket, for example, in the process of taking out the basket, there is a risk of breaking the basket net head, at this time the handle slider has reached the end, the broken basket may have been received in the catheter 100, but there is a risk that the broken nickel-titanium wire will be left outside, which is the limit of the operation. In this case, the nickel-titanium core wire is abnormally sharp and has burrs, and in this case, only slow extraction can be performed, which will cause damage to human tissue or the risk of puncture. The utility model can move the catheter 100 forward to adjust and ensure that the catheter 100 is completely received in the broken nickel-titanium core wire, and then it is taken out, thereby reducing the secondary damage to the human body. At the same time, it is also beneficial to pursue a higher success rate of surgery and a lower complication rate.

[0038] The utility model embodiment makes the detailed explanation in combination with the drawing, but the utility model is not limited to the above -mentioned embodiment, still can make various changes in the knowledge range of ordinary skill in the art person who has possessed under the premise of not departing from the utility model tenet.

Claims

1. An operating handle assembly, characterized by The utility model relates to a kind of medical treatment device, including: Conduit, is equipped with operating guide wire; Adjusting cylinder, the adjusting cylinder one end sliding sleeve is equipped in the conduit one end, the adjusting cylinder other end is equipped with handle body, the operating guide wire one end is installed in the handle body, other end passes through the adjusting cylinder and extends into the conduit; Fixing piece, installed in the adjusting cylinder, the fixing piece is used to fix the conduit; The adjusting cylinder one end face is provided with multiple elastic clamping pieces around axis, the fixing piece is screw thread installed in the adjusting sleeve of the adjusting cylinder, the elastic clamping piece is in the adjusting sleeve, the adjusting sleeve one end is provided with the inside taper face of closing ring, when rotating the adjusting cylinder to the elastic clamping piece resistance contact the taper face, multiple the elastic clamping piece can be mutually close and hold the conduit.

2. An operating handle assembly according to claim 1, wherein: The elastic clamping piece is integrally formed with the adjusting cylinder.

3. The handle assembly of claim 1, wherein: The adjusting cylinder is transparent tube.

4. The handle assembly of claim 1, wherein: The adjusting cylinder outside is equipped with length scale line.

5. The handle assembly of claim 1, wherein: The adjusting cylinder one end is equipped with connector, and the connector is screw thread connected with the handle body.

6. An operating handle assembly according to claim 5, wherein: The side of the connector is provided with mounting groove for embedding the adjusting cylinder, and the adjusting cylinder is bonded to the side wall of the mounting groove.

7. The handle assembly of claim 1, wherein: It further includes cutting member, and the cutting member includes two blade handles rotatably connected at one end.

8. An operating handle assembly according to claim 7, wherein: The handle body is equipped with storage box for storing the cutting member.

9. An operating handle assembly according to claim 8, wherein: The storage box is provided with opening for embedding the storage box, and the storage box and the cutting member are provided with magnetic attraction members that can be mutually attracted.

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