CN211270912U

CN211270912U - Transparent cap capable of being pulled off and pulled

Info

Publication number: CN211270912U
Application number: CN201922033825.4U
Authority: CN
Inventors: 胡晓; 鲍少鹏
Original assignee: Jiangsu Weidekang Medical Science & Technology Co ltd
Current assignee: Jiangsu Weidekang Medical Science & Technology Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-08-18
Anticipated expiration: 2029-11-22

Abstract

The utility model belongs to the technical field of the medical instrument technique and specifically relates to a can fall tractive transparent cap is related to, the cap body comprises a cap body, the cap body is seted up along its axial and is run through the cavity at both ends, separable being provided with on the cap body presss from both sides the cover, set up the bayonet socket with the assembly of foreign matter pincers on the clamp cover, the utility model discloses can fall tractive transparent cap is when using, through the clamp cover of separable setting on the cap body, just also makes and presss from both sides the cover and can be separated with foreign matter pincers complex for foreign matter pincers can throw off and take out with the cap body after pressing from both sides the tissue, and the operation of being convenient for.

Description

Transparent cap capable of being pulled off and pulled

Technical Field

The utility model belongs to the technical field of the medical instrument technique and specifically relates to a transparent cap of tractive that can break off.

Background

Endoscopic submucosal dissection, called ESD for short, is a new endoscopic minimally invasive treatment technology for early cancer of digestive tract, which is presented in recent years, and the technology avoids open surgery, so that organs are retained to the maximum extent. Can treat a plurality of tumor positions directionally, and has obvious advantages for the submucosal tumors such as flat polyp interstitial tumor of early cancer and the like.

In the ESD operation, the requirement for an endoscope doctor is strict, and the soft lens has the defect of difficult palm control. Generally, the operation channel is a natural forceps channel, no human body auxiliary perforation is provided, the channel is matched, and the operation is realized by only repeatedly exchanging one instrument channel of the soft lens.

For the traction of mucosa after the ring incision in the operation, which can fully expose submucosa and obtain relatively ideal operation direction, the operator uses many auxiliary traction methods at present, but none of them is satisfactory, for example: the dental floss method can only pull the skin in vitro and has the possibility of damaging the digestive tract, the internal titanium clip pulls the skin, the mucosa is damaged, the operation process is influenced, and the like.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to solve the problem of stretching the mucosa after the circular incision in the operation, which can fully expose the submucosa and obtain a relatively ideal operation direction, a plurality of auxiliary stretching methods are used by the operator at present, but the methods are not satisfactory, for example: the dental floss method can only pull the head in vitro, has the possibility of damaging the digestive tract, and has the problems of damaging mucosa, influencing the operation process and the like due to the traction of an internal titanium clamp, thus providing a detachable pulling transparent cap.

The utility model provides a technical scheme that its technical problem adopted is: a detachable traction transparent cap comprises a cap body, wherein a cavity penetrating through two ends is formed in the cap body along the axial direction of the cap body, a clamping sleeve is detachably arranged on the cap body, and a bayonet assembled with foreign body pliers is formed in the clamping sleeve. Through the jacket that can separate the setting on the cap body, just also make the jacket that cooperates with the foreign matter pincers can be separated for the foreign matter pincers can be thrown off and take out with the cap body after pressing from both sides the clamp and getting the tissue, and the operation of being convenient for has just also improved operation efficiency.

In order to better drive the jacket to convey to a required position, a connecting structure capable of being disengaged in one direction is further arranged between the cap body and the jacket, the connecting structure is arranged to drive the jacket to synchronously displace when the cap body moves forwards, and the connecting structure can be disengaged from the cap body automatically when the jacket moves backwards. Through can drive the clamp cover displacement together when carrying to the tissue by the cap body, can break away from the cap body when pressing from both sides cover reverse displacement to make the foreign matter pincers can be taken out.

Furthermore, the connecting structure comprises a sliding groove formed in the outer peripheral surface of the cap body along the axial direction of the cap body, a sliding block matched with the sliding groove is arranged on the jacket, the sliding block is arranged in the sliding groove in a sliding mode, a limiting mechanism used for limiting the sliding block to move along the radial direction of the cap body is arranged between the sliding block and the sliding groove, a limiting block is arranged in the sliding groove, and one end of the jacket abuts against the limiting block.

Furthermore, stop gear is including setting up the arch on the slider lateral wall, set up on the spout with protruding phase-match's recess, the arch sets up in the recess.

Furthermore, two ends of the sliding groove extend towards the two ends respectively and penetrate through two end faces of the cap body, a limiting groove matched with the limiting block is formed in the clamping sleeve, and one end of the limiting groove in the displacement direction of the clamping sleeve penetrates through the end face of one end of the clamping sleeve.

Further, still include the snap ring, the notch that runs through internal perisporium and periphery wall is seted up to the one end of snap ring, be provided with ring groove on the internal perisporium of snap ring, be provided with ring groove assorted fixture block on the cap body, the fixture block sets up in ring groove.

The utility model has the advantages that: the utility model discloses can fall tractive transparent cap when using, through the cover that presss from both sides of separable setting on the cap body, just also make and press from both sides the cover with foreign matter pincers complex and can be separated for foreign matter pincers can throw off and take out with the cap body after pressing from both sides the tissue, the operation of being convenient for, operation efficiency has just also been improved, to the tractive of girdling back mucosa in having avoided the art, can make the submucosal lamina fully expose like this and obtain the operation direction of relative ideal, at present, the operator has utilized a lot of supplementary tractive methods, but not fully, for example: the dental floss method can only pull the skin in vitro and has the possibility of damaging the digestive tract, the internal titanium clip pulls the skin, the mucosa is damaged, the operation process is influenced, and the like.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a front view of the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a cross-sectional view B-B of FIG. 1;

FIG. 4 is a schematic three-dimensional structure of the cap body of the present invention;

fig. 5 is a schematic three-dimensional structure diagram of the middle clamping sleeve of the present invention.

In the figure: 1. the cap body, 2, cavity, 3, press from both sides the cover, 4, spout, 5, slider, 6, stopper, 7, arch, 8, recess, 9, bayonet socket, 10, snap ring, 11, notch, 12, fixture block, 13, ring groove, 14, spacing groove.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

As shown in fig. 1-5, a detachable pulling transparent cap comprises a cap body 1, wherein the cap body 1 is provided with a cavity 2 penetrating through two ends along the axial direction, the cap body 1 is detachably provided with a jacket 3, and the jacket 3 is provided with a bayonet 9 assembled with a pair of foreign body pliers.

The connecting structure capable of being disengaged in one direction is arranged between the cap body 1 and the jacket 3, and the connecting structure is arranged to drive the jacket 3 to synchronously displace when the cap body 1 moves forwards and to disengage from the cap body 1 when the jacket 3 moves backwards.

The connecting structure comprises a sliding groove 4 formed in the outer peripheral surface of a cap body 1 along the axial direction of the cap body, a sliding block 5 matched with the sliding groove 4 is arranged on a jacket 3, the sliding block 5 is arranged in the sliding groove 4 in a sliding mode, a limiting mechanism used for limiting the sliding block 5 to move along the radial direction of the cap body 1 is arranged between the sliding block 5 and the sliding groove 4, a limiting block 6 is arranged in the sliding groove 4, and one end of the jacket 3 abuts against the limiting block 6.

The limiting mechanism comprises a protrusion 7 arranged on the side wall of the sliding block 5, a groove 8 matched with the protrusion 7 is formed in the sliding groove 4, and the protrusion 7 is arranged in the groove 8.

The two ends of the sliding groove 4 extend towards the two ends respectively and penetrate through the two end faces of the cap body 1, a limiting groove 14 matched with the limiting block 6 is formed in the clamping sleeve 3, and one end, along the displacement direction of the clamping sleeve 3, of the limiting groove 14 penetrates through the end face of one end of the clamping sleeve 3.

Still include snap ring 10, the notch 11 that runs through internal perisporium and periphery wall is seted up to the one end of snap ring 10, be provided with ring groove 13 on the internal perisporium of snap ring 10, be provided with ring groove 13 assorted fixture block 12 on the cap body 1, fixture block 12 sets up in ring groove 13.

The detachable transparent traction cap realizes the required action operations such as traction reversal, propulsion and the like of mucous membrane tissues in the ESD operation when in use, and after the mucous membrane is grabbed, the foreign body forceps are separated from the transparent endoscope cap, the foreign body forceps are matched with the bayonet 9 on the jacket 3, the bayonet 9 is universal for the foreign body forceps on all the markets, the jacket 3 is put into the transparent cap after the foreign body forceps are pre-installed, the endoscope is provided with the transparent cap and drives the jacket 3 and the foreign body forceps to enter the human body together, the operations such as observation, ESD ring cutting, marking pre-cutting and the like are carried out through the endoscope, the foreign body forceps are slightly pushed out to grab the mucous membrane, the direction is changed, the adjustment is carried out after the grabbing according to the requirements of an operator, the foreign body forceps are continuously pushed out in the advancing direction until the foreign body forceps are separated from the cap body 1, the foreign body forceps are controlled by an assistant outside, the operator sends the instrument into the endoscope channel hole, in the operation, the assistant is matched with the operator to repeatedly adjust the orientation of the grasped mucous membrane, thereby shortening the operation time to the maximum extent.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A releasably pulling transparent cap, comprising: the clamp comprises a cap body (1), wherein a cavity (2) penetrating through two ends of the cap body (1) is formed in the axial direction of the cap body, a clamping sleeve (3) is detachably arranged on the cap body (1), and a bayonet (9) assembled with foreign body clamps is formed in the clamping sleeve (3).

2. A retractable pulling transparent cap as claimed in claim 1, wherein: the connecting structure capable of being disengaged in one direction is arranged between the cap body (1) and the jacket (3), and the connecting structure is arranged to drive the jacket (3) to synchronously displace when the cap body (1) moves forwards and to automatically disengage from the cap body (1) when the jacket (3) moves backwards.

3. A retractable pulling transparent cap as claimed in claim 2, wherein: the connecting structure comprises a sliding groove (4) which is formed in the outer peripheral surface of a cap body (1) along the axial direction of the cap body, a sliding block (5) matched with the sliding groove (4) is arranged on a clamping sleeve (3), the sliding block (5) is arranged in the sliding groove (4) in a sliding mode, a limiting mechanism used for limiting the radial displacement of the sliding block (5) along the cap body (1) is arranged between the sliding block (5) and the sliding groove (4), a limiting block (6) is arranged in the sliding groove (4), and one end of the clamping sleeve (3) abuts against the limiting block (6).

4. A retractable pulling transparent cap as claimed in claim 3, wherein: stop gear is including setting up arch (7) on slider (5) lateral wall, set up on spout (4) with protruding (7) phase-match mutually recess (8), arch (7) set up in recess (8).

5. A pull-off transparent cap according to claim 4, wherein: the two ends of the sliding groove (4) extend towards the two ends respectively and penetrate through the two end faces of the cap body (1), a limiting groove (14) matched with the limiting block (6) is formed in the clamping sleeve (3), and one end, in the displacement direction of the clamping sleeve (3), of the limiting groove (14) penetrates through the end face of one end of the clamping sleeve (3).

6. A retractable pulling transparent cap as claimed in claim 1, wherein: still include snap ring (10), notch (11) that run through internal perisporium and periphery wall are seted up to the one end of snap ring (10), be provided with ring groove (13) on the internal perisporium of snap ring (10), be provided with ring groove (13) assorted fixture block (12) on the cap body (1), fixture block (12) set up in ring groove (13).