CN113598888B

CN113598888B - Diameter-variable sleeving and taking device for endoscope operation

Info

Publication number: CN113598888B
Application number: CN202110908068.XA
Authority: CN
Inventors: 张加永
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2022-11-22
Anticipated expiration: 2041-08-09
Also published as: CN113598888A

Abstract

The invention discloses a variable-diameter sleeving and taking device for endoscope operation, which belongs to the field of medical equipment, wherein a cylinder body is arranged at one end of the device in an opening manner, the cylinder body is connected with at least three clamping mechanisms capable of clamping foreign matters on an affected part through a driving mechanism, the clamping mechanisms are annularly distributed on the closed end of the cylinder body, and the cylinder body is further connected with a limiting mechanism capable of limiting the foreign matters on the affected part through a pushing mechanism so as to facilitate the peeling of the foreign matters. The pushing mechanism drives the limiting mechanism to move and can fix the foreign matters to be taken out from the puncture part so as to ensure that the foreign matters can keep certain stability when being cut off, thereby being beneficial to cutting off the foreign matters.

Description

Diameter-variable sleeving and taking device for endoscope operation

Technical Field

The invention relates to the field of medical equipment, in particular to a variable-diameter extracting device for endoscope operation.

Background

The puncture outfit can be used in various minimally invasive surgical operations, and is used for a specialist to puncture the abdominal cavity and convey gas into the abdominal cavity in a laparoscopic operation and establish a passage for an endoscope and a surgical instrument to enter and exit the abdominal cavity from the outside; various laparoscopic surgeries, including minimally invasive surgery, gynecological minimally invasive surgery, thoracic surgery, urinary surgery and other endoscopic surgeries, can be matched with various laparoscopic television systems at home and abroad.

The device is got to suit of current endoscope operation effect, because it can not be according to the size of a dimension of puncture position foreign matter, carry out corresponding regulation to the centre gripping size of fixture on the device is got to the suit, lead to the device is got to the suit when using, the fixture with affected part foreign matter size looks adaptation need be changed, just can realize pressing from both sides the getting of foreign matter smoothly, when the foreign matter of a plurality of not unidimensional sizes of affected part is got to needs to the clamp, it just can realize pressing from both sides the getting of different foreign matters to need to change a plurality of fixture with foreign matter size looks adaptation, this not only brings inconvenience to the operation for medical personnel, still can influence the process of operation, in addition because before pressing from both sides the getting to the foreign matter, can not carry out fixing in advance to the foreign matter, lead to the foreign matter probably skew appears in the in-process of centre gripping, thereby can bring the trouble for the clamp of foreign matter.

Disclosure of Invention

1. Technical problem to be solved

The present invention is directed to a variable diameter extracting device for endoscopic procedures that solves the problems set forth in the background above.

2. Technical scheme

In order to solve the problems, the invention adopts the following technical scheme:

the utility model provides a device is got to variable footpath cover for endoscope operation, is the opening including one end and sets up the barrel, be connected with through actuating mechanism on the barrel and can press from both sides the fixture that gets to foreign matter on the affected part, and fixture is equipped with three at least and be ring distribution on the end of remaining silent of barrel, still be connected with through pushing mechanism on the barrel and carry out spacing stop gear so that the foreign matter is peeled off to the foreign matter in the affected part.

Further, fixture includes that the equidistant barrel is located the barrel and is closed mouthful serve and rather than the breach of inside intercommunication, rotate through the articulated shaft and locate every intraoral hinge bar of breach, fix and locate every hinge bar upper end and be the supporting rod of arc structure, every the lower extreme of hinge bar all is connected with actuating mechanism through slide mechanism, the tip of supporting rod is sharp-pointed and can cut the affected part foreign matter.

Further, actuating mechanism locates the connecting ring body on the barrel open end including rotating, slides and locates the inside push pedal of barrel, fixes and locates push pedal bottom and tip and extend to the push rod in the connecting ring body outside, the perforation that supplies the vertical passing of push rod is seted up at the middle part of connecting the ring body, and is equipped with the screw thread of looks adaptation on the peripheral border of fenestrate inner wall and push rod, the top of push pedal is passed through slide mechanism and is connected with the lower extreme of hinge bar, the symmetry is equipped with two stoppers with barrel inner wall sliding connection on the lateral wall of push rod, and sets up on the inner wall of barrel and supply the gliding spout about the stopper.

Furthermore, a sealing ring tightly attached to the inner wall of the cylinder body is sleeved on the peripheral circumference of the push plate, and the sealing ring is located above the top end of the sliding groove when the push plate moves downwards to the limit position.

Furthermore, the sliding mechanism comprises T-shaped sliding grooves which are arranged at the top end of the push plate and correspond to the hinged rods one by one, and T-shaped sliding blocks which are fixedly arranged at the lower end of each hinged rod, correspond to the T-shaped sliding grooves one by one and slide the corresponding T-shaped sliding grooves.

Furthermore, the limiting mechanism comprises a supporting rod which penetrates through the middle of the closed end of the barrel in a sliding mode and is located in the inner side of the push plate and the push rod, and a limiting disc which is fixedly arranged at the top end of the supporting rod, made of elastic materials and in an arc-shaped structure, sliding cavities which enable the supporting rod to slide up and down are formed in the push plate and the push rod respectively, insertion rods which vertically penetrate through the side wall of the barrel are symmetrically arranged on the outer wall, close to the open end of the barrel, of the supporting rod, strip-shaped sliding ways II which correspond to the insertion rods one to one and can enable the insertion rods to slide are formed in the outer side wall of the barrel, strip-shaped sliding ways I which are aligned with the strip-shaped sliding ways one to one and enable the insertion rods to slide are formed in the outer wall of the push rod, a pushing mechanism which drives the insertion rods to move up and down is arranged on the outer wall of the barrel, and a sealing ring which is tightly attached to the outer wall of the push rod is arranged on the inner wall of the sliding cavity of the push plate.

Furtherly, pushing mechanism includes that two symmetries just fix the connecting block of locating on the barrel lateral wall, rotate the threaded rod of locating on one of them connecting block, fix the gag lever post of locating on another connecting block, two the connecting block corresponds an inserted bar respectively, one of them inserted bar is run through to the threaded rod screw thread formula, another inserted bar is run through to the gag lever post slidingtype.

3. Advantageous effects

1. According to the invention, the push plate slides up and down in the barrel under the driving of the driving mechanism, when the push plate moves up and down, the clamping rods can rotate on the closed end of the barrel through the sliding connection of the T-shaped sliding block on the lower end of the hinged rod and the T-shaped sliding groove on the push plate, and all the clamping rods are hinged on the closed end of the barrel, so that all the clamping rods can rotate simultaneously under the driving of the push plate, even if all the clamping rods are opened and closed, the device can clamp foreign matters with different sizes in a coating manner and realize the stripping work of the foreign matters in the clamping process.

2. According to the invention, the connecting ring body is screwed with the push rod through the rotation of the connecting ring body on the opening end of the cylinder body, so that the push plate can slide up and down in the cylinder body under the sliding connection of the limiting block and the sliding groove, and power is provided for the opening and closing of the clamping mechanism.

3. According to the invention, the connecting ring body is screwed with the push rod through the rotation of the connecting ring body on the opening end of the cylinder body, so that the push plate can slide up and down in the cylinder body under the sliding connection of the limiting block and the sliding groove, and power is provided for the opening and closing of the clamping mechanism.

4. According to the invention, the supporting rod can slide in the sliding cavity in the push rod by pushing the inserting and connecting rod, so that the position between the limiting disc on the end part of the supporting rod and the foreign matter on the affected part can be adjusted, and the limiting disc can fix the foreign matter to be clamped, so that the clamping mechanism can clamp the foreign matter conveniently, and the operation efficiency is improved.

5. The invention can drive the inserting rod to move up and down on the barrel under the limit of the limiting rod by the rotation of the threaded rod, thereby providing power for the movement of the supporting rod.

In conclusion, the pushing mechanism drives the limiting mechanism to move and can fix the foreign matters to be taken out from the puncture part so as to ensure that the foreign matters can keep certain stability when being cut off, thereby being beneficial to cutting off the foreign matters.

Drawings

FIG. 1 is a schematic front view of the internal structure of the present invention;

FIG. 2 is a side view of the internal structure of the present invention;

FIG. 3 is a schematic view of the clamping mechanism;

FIG. 4 is a schematic view of the pushing mechanism;

FIG. 5 is a schematic top view of the closed end of the cartridge;

FIG. 6 is a schematic top view of the push rod;

fig. 7 is a schematic top view of the inner structure of the cylinder.

Reference numerals: 1. a barrel; 2. a push rod; 3. pushing the plate; 4. a connecting ring body; 5. a notch; 6. a hinged lever; 7. a clamping rod; 8. a T-shaped slider; 9. a T-shaped chute; 10. a seal ring; 11. a support bar; 12. a limiting disc; 13. a slide chamber; 14. a first strip-shaped slideway; 15. a plug-in rod; 16. a strip-shaped slideway II; 17. connecting blocks; 18. a threaded rod; 19. a limiting rod; 20. a limiting block; 21. a chute.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Examples

As shown in fig. 1 and 2, the variable diameter extracting device for endoscope operation comprises a cylinder 1 with an opening at one end, the cylinder 1 is connected with a clamping mechanism capable of clamping foreign matters on an affected part through a driving mechanism, the clamping mechanism is at least provided with three clamping mechanisms and is annularly distributed on the closed end of the cylinder 1, and the cylinder 1 is further connected with a limiting mechanism capable of limiting the foreign matters on the affected part through a pushing mechanism so as to facilitate the peeling of the foreign matters;

as shown in fig. 1, 2, and 3, the clamping mechanism includes notches 5 that are equidistantly disposed on the closed end of the barrel 1 and are communicated with the inside of the barrel, hinge rods 6 that are rotatably disposed in each notch 5 through hinge shafts, and clamping rods 7 that are fixedly disposed at the upper end of each hinge rod 6 and have an arc-shaped structure, the lower end of each hinge rod 6 is connected with the driving mechanism through a sliding mechanism, the end of each clamping rod 7 is sharp and can cut foreign matters at an affected part, the push plate 3 is driven by the driving mechanism to slide up and down in the barrel 1, when the push plate 3 moves up and down, the clamping rods 7 can rotate on the closed end of the barrel 1 through the sliding connection of the T-shaped sliders 8 on the lower end of the hinge rods 6 and the T-shaped chutes 9 on the push plate 3, and even if all the clamping rods 7 are opened and closed, the device can clamp foreign matters of different sizes in a coating manner and peel off the foreign matters in the process of clamping;

as shown in fig. 1, 2, 3, 5, the driving mechanism includes a connection ring 4 rotatably disposed on the open end of the cylinder 1, a push plate 3 slidably disposed inside the cylinder 1, a push rod 2 fixedly disposed at the bottom end of the push plate 3 and having an end portion extending to the outside of the connection ring 4, a through hole for the push rod 2 to vertically pass through is formed in the middle of the connection ring 4, and threads adapted to the peripheral circumference of the push rod 2 and the inner wall of the through hole are disposed, the top end of the push plate 3 is connected to the lower end of the hinge rod 6 through a sliding mechanism, two stoppers 20 slidably connected to the inner wall of the cylinder 1 are symmetrically disposed on the side wall of the push rod 2, a sliding groove 21 for the stoppers 20 to slide up and down is formed on the inner wall of the cylinder 1, through the rotation of the connection ring 4 on the open end of the cylinder 1, the connection ring 4 and the push rod 2 are rotatably connected, so that the push plate 3 can slide up and down inside the cylinder 1 under the sliding connection of the stoppers 20 and the sliding groove 21, so as to provide power for the opening and closing of the clamping mechanism, the push plate 10 tightly attached to prevent the push plate 3 from moving downward and the push plate 3 from moving into the limited range of the sealing ring 3, and the push plate 3 is further to prevent blood from moving into the sealing device from moving upwards and moving into the sealing device at the upper end portion of the sliding groove 21 when the sealing groove 3, and the sealing device, and the push plate 3;

as shown in fig. 3, the sliding mechanism includes T-shaped sliding grooves 9 which are arranged at the top end of the push plate 3 and correspond to the hinge rods 6 one by one, and T-shaped sliding blocks 8 which are fixedly arranged at the lower end of each hinge rod 6, correspond to the T-shaped sliding grooves 9 one by one, and allow the corresponding T-shaped sliding grooves 9 to slide, and the lower ends of the hinge rods 6 can be limited by the sliding connection between the T-shaped sliding blocks 8 and the T-shaped sliding grooves 9, so that the push plate 3 can smoothly drive the clamping rods 7 to open and close;

as shown in fig. 4, 6, and 7, the limiting mechanism includes a supporting rod 11 slidably penetrating the middle of the closed end of the barrel 1 and located at the middle side inside the pushing plate 3 and the pushing rod 2, a limiting plate 12 fixedly disposed at the top end of the supporting rod 11 and made of an elastic material and having an arc-shaped structure, sliding cavities 13 for the supporting rod 11 to slide up and down are respectively disposed on the pushing plate 3 and the pushing rod 2, insertion rods 15 vertically penetrating the side wall of the barrel 1 are symmetrically disposed on the outer wall of the supporting rod 11 near the open end of the barrel 1, two strip-shaped slideways 16 corresponding to the insertion rods 15 one by one and allowing the insertion rods to slide are disposed on the outer wall of the barrel 1, first strip-shaped slideways 14 aligned with the second strip-shaped slideways 16 one by one and allowing the insertion rods 15 to slide are disposed on the outer wall of the pushing rod 2, a pushing mechanism for driving the insertion rods 15 to move up and down is disposed on the outer wall of the barrel 1, the inner wall of a sliding cavity 13 on the push plate 3 is provided with a sealing ring 10 tightly attached to the outer wall of the push rod 2, the support rod 11 can slide in the sliding cavity 13 inside the push rod 2 by pushing an insertion rod 15, so that the position between a limiting disc 12 at the end part of the support rod 11 and foreign matters on an affected part can be adjusted, the limiting disc 12 can fix the foreign matters to be clamped, the clamping mechanism can clamp the foreign matters conveniently, the operation efficiency is improved, and when the push rod 2 is driven by a connecting ring body 4 and moves up and down, the insertion rod 15 can perform relative sliding motion inside a strip-shaped slide way 14 on the push rod 2 through the strip-shaped slide way 14 arranged on the push rod 2, so that the support rod 11 inside the push rod 2 can keep still inside the barrel body 1 when the push rod 2 moves up and down;

as shown in fig. 4, the pushing mechanism includes two symmetrical and fixed connecting blocks 17 arranged on the outer side wall of the barrel 1, a threaded rod 18 rotatably arranged on one of the connecting blocks 17, a limiting rod 19 fixedly arranged on the other connecting block 17, the two connecting blocks 17 correspond to one insertion rod 15 respectively, the threaded rod 18 penetrates through one of the insertion rods 15 in a threaded manner, the limiting rod 19 penetrates through the other insertion rod 15 in a sliding manner, the insertion rod 15 can be driven by the rotation of the threaded rod 18 to move up and down on the barrel 1 under the limitation of the limiting rod 19, and accordingly power is provided for the movement of the supporting rod 11.

The specific application process of the variable-diameter extracting device for endoscopic operation comprises the following steps: when the device is used, firstly, the size enclosed between the clamping mechanisms is correspondingly adjusted according to the size of the foreign matters at the affected part, namely, the foreign matters are rotated on the opening end of the cylinder body 1 through the manual connection ring body 4, and the push plate 3 can slide up and down in the cylinder body 1 under the sliding connection of the limiting block 20 and the sliding groove 21 through the screw thread screwing connection of the connection ring body 4 and the push rod 2, when the push plate 3 moves up and down, the clamping rods 7 can rotate on the closed end of the cylinder body 1 through the sliding connection of the T-shaped sliding block 8 on the lower end of the hinged rod 6 and the T-shaped sliding groove 9 on the push plate 3, and all the clamping rods 7 are hinged on the closed end of the cylinder body 1, so that all the clamping rods 7 can rotate simultaneously under the driving of the push plate 3, even if all the clamping rods 7 are opened and closed, the device can carry out cladding type clamping on the foreign matters with different sizes and realize the peeling off of the foreign matters in the clamping process;

secondly, the inserting rod 15 can be driven to move up and down on the barrel body 1 under the limiting of the limiting rod 19 through the rotation of the threaded rod 18, when the inserting rod 15 moves, the supporting rod 11 can be driven to slide in the sliding cavity 13 in the push rod 2, so that the position between the limiting disc 12 on the end part of the supporting rod 11 and foreign matters on an affected part can be adjusted, and when the limiting disc 12 is adjusted to a certain position outside the free end of the clamping rod 7, the adjustment is stopped;

secondly insert the barrel 1 among the puncture sleeve, because spacing dish 12 is located the supporting rod 7 outside, make supporting rod 7 when not contacting the affected part foreign matter yet, spacing dish 12 can contact with the foreign matter in advance, with this can treat the foreign matter of excision and fix, so that the clamp of foreign matter later stage is got, secondly make push pedal 3 advance downwards and slide in the inside of barrel 1 under the sliding connection of stopper 20 and spout 21 through actuating mechanism, pull downwards articulated arm 6 through push pedal 3 upper end this moment, make open all supporting rod 7 can realize the closure, and realize the centre gripping work to the foreign matter at the closed in-process of supporting rod 7, and because the tip of supporting rod 7 is sharp-pointed, can assist the excision work of foreign matter, the use of the variable diameter extraction device of this endoscope operation has just been accomplished like this.

It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.

Claims

1. A diameter-variable sleeving and taking device for endoscope operation comprises a barrel body (1) with one open end, and is characterized in that the barrel body (1) is connected with clamping mechanisms capable of clamping foreign matters on an affected part through a driving mechanism, the clamping mechanisms are at least three and are annularly distributed on the closed end of the barrel body (1), and the barrel body (1) is further connected with a limiting mechanism capable of limiting the foreign matters on the affected part through a pushing mechanism so as to facilitate the peeling of the foreign matters;

the clamping mechanism comprises notches (5) which are arranged on the closed end of the barrel body (1) at equal intervals and are communicated with the interior of the barrel body, hinged rods (6) which are rotatably arranged in each notch (5) through hinged shafts, and clamping rods (7) which are fixedly arranged at the upper ends of the hinged rods (6) and are of arc structures, the lower end of each hinged rod (6) is connected with the driving mechanism through a sliding mechanism, and the end parts of the clamping rods (7) are sharp and can cut foreign matters at affected parts;

the driving mechanism comprises a connecting ring body (4) rotatably arranged on the opening end of the barrel body (1), a push plate (3) slidably arranged in the barrel body (1), and a push rod (2) fixedly arranged at the bottom end of the push plate (3) and extending to the outer side of the connecting ring body (4), wherein a through hole for the push rod (2) to vertically pass through is formed in the middle of the connecting ring body (4), matched threads are formed on the inner wall of the through hole and the peripheral circumference of the push rod (2), the top end of the push plate (3) is connected with the lower end of the hinge rod (6) through a sliding mechanism, two limiting blocks (20) slidably connected with the inner wall of the barrel body (1) are symmetrically arranged on the side wall of the push rod (2), and a sliding groove (21) for the limiting blocks (20) to slide up and down is formed in the inner wall of the barrel body (1);

the limiting mechanism comprises a supporting rod (11) which penetrates through the middle of the closed end of the barrel body (1) in a sliding mode and is positioned on the middle side in the push plate (3) and the push rod (2), and a limiting disc (12) which is fixedly arranged at the top end of the supporting rod (11), is made of elastic materials and is of an arc-shaped structure, sliding cavities (13) for the supporting rod (11) to slide up and down are formed in the push plate (3) and the push rod (2) respectively, inserting rods (15) which vertically penetrate through the side wall of the barrel body (1) are symmetrically arranged on the outer wall, close to the opening end of the barrel body (1), of the supporting rod (11), strip-shaped slide ways (16) which correspond to the inserting rods (15) one by one and can slide are arranged on the outer wall of the barrel body (1), strip-shaped slide ways (14) which are aligned to the strip-shaped slide ways (16) one by one and are used for the inserting rods (15) to slide are arranged on the outer wall of the barrel body, a pushing mechanism for driving the inserting rods (15) to move up and down is arranged on the outer wall of the barrel body (1), and a sealing ring (10) which is tightly attached to the outer wall of the push plate (3) is arranged on the inner wall of the upper sliding cavity (13);

push mechanism includes two symmetries and fixes connecting block (17), the threaded rod (18) of locating on one of them connecting block (17), fixed gag lever post (19) of locating on another connecting block (17) of locating on barrel (1) lateral wall, two connecting block (17) corresponds one grafting pole (15) respectively, one of them grafting pole (15) is run through to threaded rod (18) screw thread formula, another grafting pole (15) is run through to gag lever post (19) slidingtype.

2. The variable-diameter extraction device for endoscopic operation according to claim 1, wherein the outer circumference of the push plate (3) is sleeved with a sealing ring (10) closely attached to the inner wall of the cylinder (1), and the sealing ring (10) is located above the top end of the chute (21) when the push plate (3) moves downwards to the limit position.

3. The variable-diameter extraction device for endoscopic operation according to claim 1, wherein the sliding mechanism comprises T-shaped sliding grooves (9) which are arranged at the top end of the push plate (3) and correspond to the hinged rods (6) one by one, and T-shaped sliding blocks (8) which are fixedly arranged at the lower end of each hinged rod (6) and correspond to the T-shaped sliding grooves (9) one by one and are used for sliding the corresponding T-shaped sliding grooves (9).