CN219109400U

CN219109400U - Telescopic ureteral nephroscope

Info

Publication number: CN219109400U
Application number: CN202223258254.2U
Authority: CN
Inventors: 汪训朋
Original assignee: Wuhan Karmeisi Medical Equipment Co ltd
Current assignee: Wuhan Karmeisi Medical Equipment Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-06-02
Anticipated expiration: 2032-11-30

Abstract

The utility model relates to a telescopic ureteroscope, which comprises an instrument body for urine delivery detection, a connecting piece, a butt joint piece, a fixing component and a holding part, wherein the instrument body comprises an operation part for guiding an instrument to extend in and a detection part for ureteroscope detection, the connecting piece is arranged on the operation part, the butt joint piece is arranged on the detection part and detachably connected with the connecting piece, the fixing component comprises a holding part and a fixing part, one end of the holding part is arranged on the connecting piece, the other end of the holding part is arranged on the butt joint piece, the fixing part is arranged between the holding part and the butt joint piece, the connecting part is connected with the connecting piece through the cooperation of the holding part and the butt joint piece, the connecting distance between the holding part and the butt joint piece is extended, and then the butt joint piece is limited by the cooperation of the fixing part, so that the extension distance between the holding part and a lens body is prolonged, the holding range is increased, and meanwhile, the holding part is externally arranged, the valve on the holding part can be prevented from being opened, and the influence on normal use operation of the instrument is reduced.

Description

Telescopic ureteral nephroscope

Technical Field

The utility model relates to the field of medical instruments, in particular to a telescopic ureteral nephroscope.

Background

The ureteroscope is a medical instrument in a minimally invasive surgery mode, and is mainly used for ureteral calculus and ureter stenosis, the ureteroscope is divided into a hard (semi-hard) ureteroscope and a soft ureteroscope according to an insertion end material, a hand-held part, a lens body and an eyepiece eyeshade of the endoscope which are used at present are integrated together, and the three parts are not connected through a light beam and an image beam cable.

According to the medical telescopic ureteral nephroscope of Chinese patent CN202313262U, through adopting three-section telescopic pipe designs that the diameter is decreased gradually in proper order with outer mirror tube, have simple structure, convenient manufacture and cost of manufacture low grade advantage, but the mirror body and the eyepiece eye-shade of ureteral nephroscope occupy most constitutions, and instrument passageway valve is concentrated again in handheld portion simultaneously, and medical staff vertically holds ureteral nephroscope through handheld portion, leads to the hand of holding to blocking or pushing down the valve easily, influences the normal use operation of instrument.

Disclosure of Invention

Based on the above description, the utility model provides a telescopic ureteral nephroscope, which aims to solve the problems that the scope body and the ocular eyeshade of the ureteral nephroscope occupy most of components, meanwhile, the valve of an instrument channel is concentrated on a handheld part, and medical staff vertically holds the ureteral nephroscope through the handheld part, so that the held hand is easy to block or press the valve, and the normal use and operation of the instrument are affected.

The technical scheme for solving the technical problems is as follows:

a telescoping ureteroscope, comprising:

the urine transport detection instrument body comprises an operation part for guiding the instrument to extend and a detection part for ureter detection:

further comprises:

a connecting member provided on the operation unit;

the butt joint piece is arranged on the detection part and is detachably connected with the connecting piece;

a fixing component comprising a holding part and a fixing part, wherein,

one end of the holding part is arranged on the connecting piece, and the other end of the holding part is arranged on the butt joint piece;

and the fixing part is arranged between the holding part and the butt joint piece.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the connecting piece comprises a connector arranged on the operating part and a connecting cylinder arranged outside the connector.

Further, the butt joint piece comprises a butt joint head arranged on the detection part and a butt joint barrel arranged outside the butt joint head.

Further, the one end that the connector kept away from the connector extends to in the butt joint, the step groove has been seted up outward to the connector, be provided with the sealing member in the step groove.

Further, the holding part comprises a grab handle, a sleeve arranged on the grab handle and plug connectors symmetrically arranged on the sleeve.

Further, the plug connector is respectively positioned between the connector and the connecting cylinder and between the butt joint and the butt joint cylinder, and the plug connector is coated outside the sealing element.

Further, the fixed part comprises a connecting rod arranged on the grab handle, a fixed plate arranged on the connecting rod and abutted to the detection part, and a fastener arranged on the grab handle.

Further, the fixed plate is attached to the butt joint barrel.

Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:

according to the utility model, the connecting piece, the butt-joint piece and the fixing component are arranged, the connecting piece and the butt-joint piece are matched through the holding part, so that after the connecting piece and the butt-joint piece are normally separated, the connecting piece can be connected through the holding part, the connecting distance between the connecting piece and the butt-joint piece is extended, then the butt-joint piece is limited through the matching fixing part, the holding part, the connecting piece and the butt-joint piece are fixed, the extending distance between the holding part and the mirror body is realized, the holding range is increased, meanwhile, the holding part is arranged outside, the valve on the holding part can be prevented from being opened, and the influence on normal use operation of the instrument is reduced.

Drawings

Fig. 1 is a schematic structural view of a telescopic ureteral nephroscope according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;

FIG. 3 is a schematic diagram of a connection structure between a connector and a butt-joint member according to an embodiment of the present utility model;

FIG. 4 is a schematic structural view of a fixing assembly according to an embodiment of the present utility model;

FIG. 5 is a schematic structural view of a connecting member according to an embodiment of the present utility model;

FIG. 6 is a schematic view of a butt joint according to an embodiment of the present utility model;

in the drawings, the list of components represented by the various numbers is as follows:

1. an instrument body; 11. an operation unit; 12. a detection unit; 2. a connecting piece; 21. a connector; 22. a connecting cylinder; 3. a butt joint member; 31. butt joint; 32. a butt joint barrel; 4. a fixing assembly; 41. a grip portion; 411. a grab handle; 412. a sleeve; 413. a plug-in component; 42. a fixing part; 421. a connecting rod; 422. a fixing plate; 423. a fastener; 5. and a seal.

Detailed Description

In order to facilitate an understanding of the present application, a more complete description of the present application will now be provided with reference to the relevant figures. Examples of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

It will be appreciated that spatially relative terms such as "under … …," "under … …," "below," "under … …," "over … …," "above," and the like may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use and operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements or features described as "under" or "beneath" other elements would then be oriented "on" the other elements or features. Thus, the exemplary terms "under … …" and "under … …" may include both an upper and a lower orientation. Furthermore, the device may also include an additional orientation (e.g., rotated 90 degrees or other orientations) and the spatial descriptors used herein interpreted accordingly.

Referring to fig. 1-4, a telescopic ureteral nephroscope comprises an apparatus body 1 for urine delivery detection, a connecting piece 2, a butt joint piece 3 and a fixing component 4, wherein the apparatus body 1 comprises an operation part 11 for guiding an apparatus to extend into and a detection part 12 for ureter detection, the operation part 11 is provided with the connecting piece 2, the detection part 12 is provided with the butt joint piece 3, one end of the butt joint piece 3 extends into the connecting piece 2, the fixing component 4 is arranged between the connecting piece 2 and the butt joint piece 3, the fixing component 4 comprises a holding part 41, one end of which is arranged on the connecting piece 2, the other end of which is arranged on the butt joint piece 3, and a fixing part 42 is arranged between the holding part 41 and the butt joint piece 3.

Based on the prior art, the sheath of the detecting part 12 is composed of three telescopic pipes which are gradually decreased in sequence, when in use, the telescopic pipes are sequentially pulled out to form an external lens pipe which accords with the characteristics of the human urethra pipe and is thin and long, and the external lens pipe is matched with the handheld part to be externally connected with the external light guide optical cable, the camera cable and other instruments to detect, diagnose and treat the human ureter.

When the ureteroscope is installed, the operation part 11 and the detection part 12 are connected through the holding part 41 and the connecting piece 2 and the butt joint piece 3, the operation part 11 and the detection part 12 are assembled preliminarily, then the fixing part 42 is matched with the vertical holding direction of the ureteroscope, the ureteroscope is supported between the butt joint piece 3 and the detection part 12, the detection part 12 is indirectly limited on the holding part 41, the holding part 41 and the connecting piece 2 and the butt joint piece 3 are matched, the ureteroscope integral assembly is completed, the extension distance between the holding part and the lens body is realized, the holding range is increased, meanwhile, the holding part is externally arranged, the valve on the holding part can be prevented from being opened, and the influence on normal use operation of the instrument is reduced.

Referring to fig. 1-4, the connecting piece 2 includes a connector 21 disposed on the operating portion 11 and a connecting cylinder 22 disposed outside the connector 21, the abutting piece 3 includes an abutting joint 31 disposed on the detecting portion 12 and an abutting cylinder 32 disposed outside the abutting joint 31, one end of the connector 21 away from the connector 21 extends into the abutting joint 31, a stepped groove is formed outside the connector 21, and a sealing piece 5 is disposed in the stepped groove.

Based on prior art, the side is provided with the flange for the handheld portion and the mirror body connection of ureter nephroscope for the butt joint, and the knob on the arm portion inwards rotates again, realizes the handheld portion and the mirror body be connected, and this example is connected with the operation portion 11 and the detection portion 12 of butt joint section of thick bamboo 31 through connector 21, realizes the handheld of ureter nephroscope and the extension connection of mirror body.

And because the connector 21 is connected with the butt joint 31, if the same-size design is kept or the round platform design is kept once, the joint is difficult to keep sealed, so in this embodiment, through setting up the step groove at the one end that the connector 21 is connected, through the cooperation of step groove, the same-size connector 21 can be connected with the butt joint 31 to set up sealing member 5 at the step groove, realize sealing the joint.

Referring to fig. 1-4, the holding portion 41 includes a handle 411, a sleeve 412 disposed on the handle 411, and a plug 413 symmetrically disposed on the sleeve 412, wherein the plug 413 is respectively disposed between the connector 21 and the connecting barrel 22 and between the butt joint 31 and the butt joint barrel 32, and the plug 413 is wrapped around the sealing member 5.

In this embodiment, before the connector 21 is connected to the butt joint 31, the sealing member 5 is first arranged on the connector 21 through the stepped slot, then the sleeve 412 of the holding portion 41 is sleeved outside the connector 21, the sleeve 412 is propped against the connecting cylinder 22, the plug 413 enters the connecting cylinder 22, then the butt joint 31 is plugged into the sleeve 412, finally the butt joint cylinder 32 is connected to the sleeve 412, and the connection between the connector 21 and the butt joint 31 is completed.

Based on the above, the plug 413 is detachably connected with the connecting cylinder 22 and the docking cylinder 32, and a cavity is formed between the connecting cylinder 22 and the connector 21, so that the plug 413 is inserted into the cavity and clamped between the connecting cylinder 22 and the connector 21, and the other end of the plug 412 is clamped between the docking cylinder 32 and the docking head 31, so that the operation part 11 and the detection part 12 can be preliminarily connected.

Meanwhile, the plug connector 413 is clamped between the butt joint 31 and the butt joint barrel 32, so that the sealing element 5 between the connector 21 and the butt joint 31 can be reinforced, and the sealing performance is further improved.

Referring to fig. 1 to 4, the fixing portion 42 includes a connecting rod 421 disposed on the grip 411, a fixing plate 422 disposed on the connecting rod 421 and abutting against the detecting portion 12, and a fastening member 423 disposed on the grip 411, where the fixing plate 422 is attached to the abutting cylinder 32.

Since the ureteroscope operation is held in a vertical manner, the fixing plate 422 of the fixing part 42 moves along the grab handle 411 through the connecting rod 421, approaches to the joint of the detecting part 12 and the docking cylinder 32, and after the fixing plate 422 contacts with the detecting part 12 and the docking cylinder 32, the connecting rod 421 is limited through the fastening piece 423, so that the fixing plate 422 is fixed between the detecting part 12 and the docking cylinder 32, the vertical limitation of the docking cylinder 32 is realized, and the fixing of the connection of the connecting head 21 and the docking port 31 by the cooperation of the holding part 41 is completed.

Based on the above, the outer thread is provided on the grip 411, and is engaged with the fastener 423, which is preferably a nut, and the connecting rod 421 is rotated along the grip 411 to limit the fixing plate 422 between the abutment and detection unit 12 and the abutment cylinder 32, thereby completing the fixing.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. A telescopic ureteroscope, which comprises

An instrument body (1) for urine detection, comprising an operation part (11) for guiding the instrument to extend into the body and a detection part (12) for ureter detection;

characterized in that it also comprises

A connector (2) provided on the operation unit (11);

a butt joint member (3) which is arranged on the detection part (12) and is detachably connected with the connecting member (2);

a fixing component (4) comprising a holding part (41) and a fixing part (42), wherein,

a grip part (41) having one end provided on the connecting member (2) and the other end provided on the abutting member (3);

and a fixing portion (42) provided between the grip portion (41) and the butt joint member (3).

2. The telescopic ureteroscope according to claim 1, characterized in that the connecting piece (2) comprises a connecting head (21) arranged on the operating part (11) and a connecting cylinder (22) arranged outside the connecting head (21).

3. The telescopic ureteroscope according to claim 2, characterized in that the docking piece (3) comprises a docking head (31) provided on the detection portion (12) and a docking cylinder (32) provided outside the docking head (31).

4. A telescopic ureteroscope according to claim 3, characterized in that the end of the connecting head (21) remote from the connecting head (21) extends into the butt joint (31), a stepped groove is formed outside the connecting head (21), and a sealing element (5) is arranged in the stepped groove.

5. A telescopic ureteroscope according to claim 3, characterized in that the grip (41) comprises a grip (411), a sleeve (412) arranged on the grip (411) and a plug (413) arranged symmetrically on the sleeve (412).

6. The telescopic ureteroscope according to claim 5, characterized in that the plug-in connector (413) is respectively located between the connector (21) and the connecting cylinder (22) and between the butt-joint (31) and the butt-joint cylinder (32), and the plug-in connector (413) is coated outside the sealing element (5).

7. The telescopic ureteroscope according to claim 6, characterized in that the fixing portion (42) comprises a connecting rod (421) provided on the grip (411), a fixing plate (422) provided on the connecting rod (421) abutting against the detecting portion (12), and a fastener (423) provided on the grip (411).

8. The telescopic ureteroscope according to claim 7, characterized in that the fixing plate (422) is fitted with a docking barrel (32).