CN208693379U - A kind of Gastrointestinal Endoscopes both arms protractor - Google Patents

Abstract

A kind of Gastrointestinal Endoscopes both arms protractor, conveyer system, which extends outwardly, accesses soft axis, and soft shaft length is the appropriate length for being longer than Gastrointestinal Endoscopes length, fixed link before soft axis front end is accessed, preceding fixed link is metal material, and front end is that tooth of synchronous belt metallic rod and two can be opened and closed movable tong arm.The utility model pistol grip handle and two sseparated sliding driving means are hold by one hand and operate convenient for medical staff, it is through Gastrointestinal Endoscopes biopsy duct that preceding fixed link and movable tong arm feeding alimentary canal is intracavitary, reach the tissue defect site formed after perforation, fistula or therapeutic endoscopy, the utility model is applied to the complicated surface of a wound, and it can quickly, effectively grab more tissues, strong applicability, operation are simple.

Description

A kind of Gastrointestinal Endoscopes both arms protractor

Technical field

The utility model relates to be grabbed under a kind of clinical Gastrointestinal Endoscopes surgical instrument more particularly to a kind of achievable Gastrointestinal Endoscopes, Fix and handle the both arms protractor of tissue.

Background technique

With the upgrading of equipment and technology, the Gastrointestinal Endoscopes treatment operation scope of application also expands therewith, new art formula not stopping pregnancy It is raw, such as swell under scope object evidement (ESE), endoscopic full-thickness resection (EFTR), this generic operation often forms deeper Iatrogenic defect is even perforated, and selects direct wound closure under scope first at this time.Ulcer, tumour, foreign object damage etc. its The perforation of the positions such as oesophagus caused by his reason, Stomach duodenum and Colon and rectum and digestive tract fistula are also that Closure is controlled under scope Treat indication.(TTSC), external rake metal clip (OTSC), nylon rope, cushion rubber are pressed from both sides such as Esophageal Stent, through biopsy forceps road metal structure Perforation or the fistula for closing most of different situations have been able to satisfy etc. existing closure equipment.But under scope realize rapid and convenient, The complicated wounds such as damaged area is big, breakage is deep, angle is bad, shape is irregular are completely closed, are still had in clinic compared with disaster Degree.

OTSC is a kind of outer novel metal folder for being used for alimentary canal defect repairing and hemostasis for investing Gastrointestinal Endoscopes, the span Greatly, bite force is strong, the defect of the effectively closed 10~30mm of energy.Authorization Notice No. 301439535S is designed as specially OTSC being cooperated to make Auxiliary instrument is mainly used for grabbing wound tissue, discharges OTSC again later and completes defect repairing, but two tong arm is simultaneously Opening mutual angle maximum is only 90 °, limits the breadth and depth of its grasping tissue, therefore for the suitable of complicated wound It is poor with property；Its not ipsilateral sliding handle exist in actual operation convenience it is poor, using it is more complex, do not allow easy to get started lack It falls into, assistant is difficult to its index finger of coordinated manipulation and middle finger often to control monosymmetric sliding handle, a side handle often occurs and draws It is next to unclamp again or slide the maloperations situation such as binding lever when controlling another side handle again, for the assistant of unskilled instrument It is even more so, difficulty is caused to complicated wound is quickly smoothly closed under scope.

Summary of the invention

The purpose of this utility model is that opening angle is small simultaneously, grasping tissue range for existing both arms grabber tong arm With the problem that depth is limited, sliding handle operability is poor, providing a kind of tong arm, opening angle is bigger simultaneously, operation is relatively simple Easy dual-arm protractor.Stomach intestinal tissue can be quickly and easily grabbed, lifts and fix using the utility model, it is especially broken The complicated wound tissues such as area is big, breakage is deep, angle is bad, shape is irregular are damaged, cooperation is combined corresponding instrument later Complete the complete closure of wound.

To achieve the above object, the solution of the utility model are as follows:

The dual-arm tissue protractor used under a kind of Gastrointestinal Endoscopes, including pistol grip handle, two sseparated slidings push Device, soft axis, preceding fixed link and separable two movable tong arms.Pistol grip handle is plastics or rubber material, including list The transmission system of hand holding part, push part tube body, separated two sliding driving means and inside, the metal wire of conveyer system to Outer extension accesses soft axis, and soft axis includes crust and inner wire, and crust is the spring bung flange of plastics or good bending property Shaped metal material, soft shaft length are the appropriate length for being longer than Gastrointestinal Endoscopes shank length, fixed link before soft axis front end is accessed, Preceding fixed link crust is the spring bung flange shaped metal of good bending property, and inside is metal drive line, and metal wire is drawn by push Dynamic device is mutually driven with two tong arms, and preceding fixed link leading end portion is divided into opening for the hard metal bar with protrusion groove and its two sides Movable tong arm is closed, tong arm is metal material.

Further, two sseparated sliding driving means on pistol grip handle control two pincers by transmission system respectively The opening and closing of arm, front-rear position is staggered two sliding driving means up and down, positioned at different horizontal planes.

Further, it is 0 °~90 ° that single tong arm, which opens the angular range to be formed, and two tong arms open the angle of formation simultaneously Range is 0 °~180 °.

Further, there is protrusion groove in two tong arm body portions, binding clip is to divide dentation.

After adopting the above scheme, the tong arm expanded angle of this utility model is big, and in two tong arms and apex hard metal bar There is the protrusion groove for increasing clamping friction power, applicability is good, being capable of big in damaged area, damaged deep, the complicated wound such as angle is bad Mouthful scene under, effectively grab the wound tissue of more two sides respectively using two movable tong arms, fast and effective fixing organization, Smoothly to realize that the complete closure of alimentary canal defect creates conditions.

The utility model is designed reasonably facilitates assistant to be hold by one hand operation, two sliding push dresses using pistol grip handle Seated position is staggered, and a corresponding corresponding side tong arm set of sliding driving means will not interfere with each other influence operation between the two, Control method is simply easy to get started, effectively improves validity, accuracy and the convenience of medical staff's operation.

Detailed description of the invention

Fig. 1 is the overall structure diagram of utility model device

Fig. 2 is that the both arms of utility model device clamp expanded schematic diagram

Fig. 3 is the both arms caliper schematic diagram of utility model device

Specific embodiment

The utility model is described in detail below in conjunction with drawings and the specific embodiments.

Refering to fig. 1, shown in Fig. 2, Fig. 3, a kind of stomach and intestine dual-arm protractor of the utility model design, including pistol type hand Handle 1, push part tube body 2, be hold by one hand portion 3, upper sliding driving means refers to that retaining ring 4, lower slider driving means refer to retaining ring 5, upper cunning Dynamic driving means connection strap 6, lower slider driving means connection strap 7, upper cushion piece 8, middle buffering spacer 9, lower cushion piece 10, Be sequentially connected joint 11, upper metal drive line 12, lower metal drive line 13, protection sheath 14, soft axis 15, preceding fixed link 16, Tong arm driveshaft section 17, upper tong arm 18, lower tong arm 19, apex hard metal bar 20, binding clip 21.Pistol grip handle 1 includes push Portion's tube body 2 is hold by one hand portion 3, upper sliding driving means refer to retaining ring 4, lower slider driving means refer to retaining ring 5, upper cushion piece 8, Middle buffering spacer 9, lower cushion piece 10 are located at ipsilateral outside the portion that is hold by one hand 3, upper sliding driving means connection strap 6 and upper metal Drive line 12, lower slider driving means connection strap 7 and lower metal drive line 13, transmission connection joint 11 are interconnected on pistol type Inside handle 1, upper metal drive line 12, lower metal drive line 13, protection sheath 14 extend outwardly and access soft axis 15, soft axis Fixed link 16 before 15 front ends are accessed, preceding fixed link 16 are connected with tong arm driveshaft section 17, upper metal drive line 12, the transmission of lower metal Line 13 is connected by the inside of soft axis 15 and preceding fixed link 16 with tong arm driveshaft section 17, then is divided by tong arm driveshaft section 17 Do not connect with upper tong arm 18 and lower tong arm 19, preceding fixed link 16 extends to forward apex hard metal bar 20.

Upper sliding driving means refers to two sets of transmission systems that retaining ring 4 and lower slider driving means refer to that retaining ring 5 drives respectively Component locations are staggered, and do not interfere with each other respective activity.Medical staff pushes to sliding driving means by hook and refers to retaining ring 4 and lower slider Driving means refer to retaining ring 5 enable on slide driving means connection strap 6, lower slider driving means connection strap 7, upper metal drive line 12, Lower metal drive line 13 carries out the sliding of respective corresponding distance, then controls 18 He of tong arm respectively by tong arm driveshaft section 17 The folding activity of lower tong arm 19.Upper tong arm 18 and lower tong arm 19 can carry out free opening and closing activity respectively, when single tong arm is opened and closed Be 0 °~90 ° with the angular range that apex hard metal bar 20 is formed, when upper tong arm 18 and lower tong arm 19 are opened and closed simultaneously mutually it Between the angular range that is formed be 0 °~180 °.

The size for being hold by one hand portion 3 is opened and closed required driving means sliding distance and medical staff according to tong arm completely and holds Level of comfort is designed adjusting.Upper sliding driving means refers to that retaining ring 4 and lower slider driving means refer to that the internal diameter of retaining ring 5 omits respectively Greater than common people's index finger, the diameter of middle finger.The length of soft axis 15 and preceding fixed link 16 can need to adjust according to clinic, such as and not The product of different length specification is matched and designed with the gastroscope of shank length, duodenoscope, Sigmoidoscope etc..Upper tong arm 18, the groove quantity and size in lower tong arm 19 and apex hard metal bar 20 is designed adjustment according to clinical demand.Upper pincers Arm 18, the length of lower tong arm 19 are consistent, and in general, the binding clip 21 that tong arm is closed time-division dentation need to be with apex hard metal bar 20 Front it is chimeric.

Specifically used method

Medical staff is hold by one hand and operates pistol grip handle 1 and two sseparated sliding driving means 4,5, through Gastrointestinal Endoscopes Biopsy duct is intracavitary by preceding fixed link 16 and the movable feeding of tong arm 18,19 alimentary canal, is formed after reaching perforation, fistula or therapeutic endoscopy Tissue defect site, by medical staff control handle on sliding driving means 4,5 opening and closing activity tong arms 18,19, cooperation is stretched Enter the apex hard metal bar 20 of wound, grab respectively lifted after the approximate tissue of two sides, the processing such as fixing organization.Tong arm 18, it 19 can be opened and closed simultaneously, i.e. the direct grasping tissue simultaneously of two tong arms, the method is smaller suitable for damaged area, angle is preferable, line The general surface of a wound of shape；Tong arm 18,19 successively can also be respectively opened and closed, i.e. be first fixed against apex after the tissue of tong arm crawl clamping side Hard metal bar 20, then make two sides approximate tissue and fixation after controlling another tong arm crawl clamping other side tissue, the method is suitable For the complicated surface of a wound.After the fixed alimentary canal tissue of the utility model, when using single clamp channel scope, cushion rubber or OTSC etc. can be combined Quick, complete closure that the closure instrument on Gastrointestinal Endoscopes completes wound are invested outside；And when using the road Shuan Qian scope, then it can pass through Another pincers road is sent into, combination TTSC or nylon rope etc. are closed quick, complete closure that instrument realizes wound.

The above is only the preferred embodiment of the present invention, not to the limitation of this case design, all setting according to this case The crucial equivalent variations done of meter, each falls within the protection scope of this case.

Claims (6)

1. a kind of Gastrointestinal Endoscopes both arms protractor, which is characterized in that held including pistol grip handle (1), push part tube body (2), one hand Hold portion (3), upper sliding driving means refers to that retaining ring (4), lower slider driving means refer to retaining ring (5), upper sliding driving means connection strap (6), lower slider driving means connection strap (7), upper cushion piece (8), middle buffering spacer (9), lower cushion piece (10), transmission connect Connect joint (11), upper metal drive line (12), lower metal drive line (13), protection sheath (14), soft axis (15), preceding fixed link (16), tong arm driveshaft section (17), upper tong arm (18), lower tong arm (19), apex hard metal bar (20), binding clip (21)；Wherein Pistol grip handle (1) includes push part tube body (2), is hold by one hand portion (3), and upper sliding driving means refers to that retaining ring (4), lower slider push away It send device to refer to that retaining ring (5), upper cushion piece (8), middle buffering spacer (9), lower cushion piece (10) are located at and is hold by one hand portion (3) outside Portion is ipsilateral, and upper sliding driving means connection strap (6) and upper metal drive line (12), lower slider driving means connection strap (7) are under Metal drive line (13), transmission connection joint (11) are interconnected on inside pistol grip handle (1), upper metal drive line (12), Lower metal drive line (13), protection sheath (14) extend outwardly and access soft axis (15), fixed before soft axis (15) front end access Bar (16), preceding fixed link (16) are connected with tong arm driveshaft section (17), and upper metal drive line (12), lower metal drive line (13) are logical The inside for crossing soft axis (15) and preceding fixed link (16) connects with tong arm driveshaft section (17), then passes through tong arm driveshaft section (17) Connect respectively with upper tong arm (18) and lower tong arm (19), preceding fixed link (16) extends to forward apex hard metal bar (20).

2. a kind of Gastrointestinal Endoscopes both arms protractor as described in claim 1, it is characterised in that be including pistol grip handle (1) shell Plastics or rubber material；Soft axis (15) crust is the spring bung flange shaped metal material of plastics or good bending property, soft axis (15) length is to be longer than the appropriate length of Gastrointestinal Endoscopes shank length；Preceding fixed link (16) crust is the spring bung flange of good bending property Shaped metal, preceding fixed link (16) front end portion are the apex hard metal bar (20) with protrusion groove；Upper tong arm (18), lower pincers Arm (19) is metal material.

3. a kind of Gastrointestinal Endoscopes both arms protractor as described in claim 1, it is characterised in that above slide driving means and refer to retaining ring (4), lower slider driving means refers to that retaining ring (5) position is staggered, and is located at the ipsilateral position up and down in the portion of being hold by one hand (3), upper cunning Dynamic driving means refers to retaining ring (4) and upper sliding driving means connection strap (6), transmission connection joint (11) and upper metal drive line (12) be connected, lower slider driving means refer to retaining ring (5) and lower slider driving means connection strap (7), transmission connection joint (11) and Lower metal drive line (13) is connected, and constitutes two sets of independent complete power train systems.

4. a kind of Gastrointestinal Endoscopes both arms protractor as claimed in claim 3, it is characterised in that the component locations of two sets of transmission systems It is staggered, does not interfere with each other the activity of two systems, sliding driving means is pushed to by hook and refers to that retaining ring (4) and lower slider driving means refer to It is internal in the portion that is hold by one hand (3) that driving means connection strap (6) and lower slider driving means connection strap (7) are slided in retaining ring (5) order The sliding of specific range is carried out, to drive upper metal drive line (12) and lower metal drive line (13) in push part tube body respectively (2), the sliding of soft axis (15) distance corresponding with progress in preceding fixed link (16), then respectively by tong arm driveshaft section (17) The folding activity of tong arm (18) and lower tong arm (19) in control, upper tong arm (18) and lower tong arm (19) can be opened and closed simultaneously, can also be first Respectively opening and closing afterwards.

5. a kind of Gastrointestinal Endoscopes both arms protractor as described in claim 1, it is characterised in that upper tong arm (18) and lower tong arm (19) Positioned at apex hard metal bar (20) two sides, when thering is protrusion groove to increase clamping on upper tong arm (18) and lower tong arm (19) body portion Frictional force, binding clip (21) are to divide dentation.

6. a kind of Gastrointestinal Endoscopes both arms protractor as claimed in claim 5, it is characterised in that upper tong arm (18) and lower tong arm (19) By independent transmission system, can respectively carry out free opening and closing activity respectively, when single tong arm is opened and closed with apex hard metal The angular range that bar (20) is formed is 0 °~90 °, what upper tong arm (18) and lower tong arm (19) were formed between each other when being opened and closed simultaneously Angular range is 0 °~180 °.