CN212369006U

CN212369006U - Internal organ magnetic traction device used under laparoscope

Info

Publication number: CN212369006U
Application number: CN202020356520.7U
Authority: CN
Inventors: 虞伟明; 郭方达
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2021-01-19
Anticipated expiration: 2030-03-19

Abstract

The utility model provides a use viscera magnetic force draw gear under peritoneoscope belongs to medical instrument technical field, include: a first magnetic block; the second magnetic block is matched with the first magnetic block through magnetic attraction; the locking assembly is arranged on the second magnetic block and comprises a clamping part, and a channel is arranged on the clamping part; one end of the chain penetrates through the channel and is clamped with the clamping part, and the other end of the chain is a free end; and the tissue grasping forceps are clamped and matched with the free ends of the chains. Through the cooperation of inhaling of magnetism between the magnetic path, solved the problem that receives the operating space restriction, visual range when having enlarged the doctor operation, the cooperation of inhaling is inhaled to magnetism moreover and need not other medical personnel's help and carries and draw, just can realize the state in long-time fixed operation field of vision, improves the efficiency of operation, and in addition, this draw gear's use need not to establish the handle hole in addition in patient's abdominal cavity department, reduces patient's operation wound and reduces medical material expense.

Description

Internal organ magnetic traction device used under laparoscope

Technical Field

The utility model belongs to the technical field of medical instrument, a draw gear is related to, especially a use viscera magnetic force draw gear under peritoneoscope.

Background

With the development of the laparoscopic minimally invasive surgery technology, the minimally invasive surgery has the advantages of small surgical wound, less bleeding during the operation, easy recovery after the operation and the like, and gradually replaces the traditional open surgery. The traditional open surgery is to directly open the abdominal cavity and directly expose the operation area in the visual field of a doctor, and the doctor performs treatment operation. In the minimally invasive surgery technology, a plurality of operation holes are formed in a patient body, one operation hole is occupied by a high-definition laparoscopic lens to observe a surgical treatment area, and laparoscopic surgical instruments are placed in the other two holes for operation. Because the high-definition laparoscope lens can only rotate in the operation channel of the puncture outfit, the observation range is limited by the movable range, the display can only display the condition of one plane in the abdominal cavity, and the other surface of the treated viscera is difficult to observe, and at the moment, the laparoscope traction apparatus is required to lift or rotate the viscera to observe the condition of the other surface of the treated viscera.

There are three disadvantages in this therapeutic procedure:

firstly, the viscera traction apparatus also needs to enter the abdominal cavity through the puncture outfit, and the operation space of the operation apparatus is limited, so that some positions and angles in the abdominal cavity can not be reached;

secondly, the visceral traction device is required to enter the body by occupying an operation hole, which is dedicated to the use of the visceral traction device.

Thirdly, the viscera traction apparatus is generally lifted in an artificial proportion, when a viscera needs to be treated for a long time, an operator needs to hold the traction apparatus for a long time in an immobile state, and if the traction apparatus is not lifted to pull the viscera, the slippage or shake occurs, so that the treatment operation of the laparoscopic surgery can be affected.

In summary, in order to solve the structural deficiency of the existing visceral retractor, it is necessary to design a retractor which can be held by a surgeon for a long time without being limited by an operation space and enlarging a visual range of the retractor.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provide one kind and can not receive the operating space restriction, enlarge its visual range to need not the operation doctor handheld, can accomplish the draw gear that keeps motionless for a long time.

The purpose of the utility model can be realized by the following technical proposal: a magnetic traction apparatus for a laparoscope viscera, comprising:

a first magnetic block;

the second magnetic block is matched with the first magnetic block through magnetic attraction;

the locking assembly is arranged on the second magnetic block and comprises a clamping part, and a channel is arranged on the clamping part;

one end of the chain penetrates through the channel and is clamped with the clamping part, and the other end of the chain is a free end;

and the tissue grasping forceps are clamped and matched with the free ends of the chains.

In the visceral magnetic traction device for the laparoscope, the first magnetic block and the second magnetic block are in concave-convex splicing fit.

In the magnetic traction device for the viscera under the laparoscope, the clamping part comprises two clamping blocks which are respectively positioned at two sides of the channel, and one clamping block is provided with a locking piece.

In the magnetic traction apparatus for viscera under laparoscope, the locking assembly further comprises an elastic part, and the elastic part is connected with the clamping part, wherein the clamping part moves up and down through the elastic part.

In the magnetic visceral traction device for laparoscopy, the locking assembly further comprises a frame, and two extending portions are respectively arranged on two sides of the frame, wherein the two clamping blocks are respectively in wedge fit with the extending portions on the corresponding sides.

In the magnetic traction device for viscera used under the laparoscope, the frame at the side where the extension part is installed is provided with a first guide part, wherein the first guide part is matched with the locking piece on the clamping part in a sliding way.

In the magnetic traction device for the internal organs under the laparoscope, the frame perpendicular to one side of the first guide part is provided with the second guide part, and the second guide part is nested and matched with the elastic part.

In the magnetic traction device for viscera under laparoscope, a rotating shaft is connected on the frame, and a rotating wheel is arranged on the rotating shaft, wherein a chain penetrating through one end of the channel is wound on the rotating wheel.

In the magnetic traction device for the viscera used under the laparoscope, a limiting part is arranged along the axial direction of the rotating wheel.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the cooperation is inhaled to magnetism through between the magnetic path, has solved the problem that receives the operating space restriction, has enlarged the visual range when doctor's operation, and the cooperation is inhaled to magnetism moreover need not other medical personnel's help and carries and draw, just can realize the state in long-time fixed operation field of vision, improves the efficiency of operation, and in addition, this draw gear's use need not to establish the handle hole in addition in patient abdominal cavity department, reduces patient's operation wound and reduces medical material expense.

(2) First magnetic path is located extracorporeally, and the second magnetic path is located internally, and through unsmooth grafting cooperation, can further improve the magnetic force between first magnetic path and the second magnetic path, provides a reliable guarantee when drawing viscera tissue for follow-up dependence tissue nipper, and then for the raising the efficiency of carrying out of follow-up abdominal cavity operation.

(3) The relative distance between the two clamping blocks is changed through the locking piece, the diameter of a channel between the two clamping blocks is adjusted, and the position of the clamping part when the chain is clamped is changed, so that the traction force generated between the tissue grasping forceps and the chain is changed, and the use flexibility of the traction device is improved.

(4) Set up the spring on the grip block for medical personnel when the operation locking plate changes the distance between two grip blocks, guarantee that two grip blocks after the operation can realize automatic re-setting, realize the automatic centre gripping to the chain, improve the convenience when changing traction force through draw gear.

(5) Through wedge-shaped matching between the extending part and the clamping blocks and elastic matching between the clamping blocks and the springs, the two sides of the channel between the two clamping blocks are synchronously increased and reduced, clamping and loosening of the chain are achieved, and reliability of the traction device in changing traction force is improved.

(6) Through first guide part, realize the locking plate at the straightness that hangs down that reciprocates in-process, guarantee two grip blocks and at the smooth and easy nature of reciprocating in-process, avoid taking place the card shell phenomenon.

(7) Through the second guide part, the spring keeps its straightness that hangs down by compression or extension in-process, and the compression of spring or extension move along the axis direction of guide post all the time promptly, thereby guarantees that two grip blocks loosen with synchronous to the synchronous centre gripping of chain.

(8) Through the cooperation between pivot and the runner for the flexible more smooth and easy that becomes of chain, inject the degree of freedom that the chain moved about on the runner through spacing portion, avoid the chain to take place to rock on the runner, perhaps break away from the runner, thereby improve the reliability that the locking subassembly used.

Drawings

Fig. 1 is a schematic structural view of a magnetic traction device for viscera under laparoscope of the present invention.

Fig. 2 is an enlarged view of a portion a shown in fig. 1.

Fig. 3 is a partial structural schematic view of a magnetic visceral traction device for laparoscopy according to the present invention.

Fig. 4 is an enlarged view of a portion B shown in fig. 3.

Fig. 5 is a partial sectional view of a magnetic traction apparatus for a laparoscope internal organ of the present invention.

Fig. 6 is an enlarged view of the portion C shown in fig. 5.

In the figure, 100, a first magnetic block; 200. a second magnetic block; 300. a locking assembly; 310. a channel; 320. a clamping block; 330. a locking piece; 340. a spring; 350. a frame; 351. an extension portion; 352. a strip-shaped groove; 353. a guide post; 354. a rotating shaft; 355. a rotating wheel; 356. an annular groove; 400. a chain; 500. tissue grasping forceps.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 6, the present invention provides a magnetic traction device for viscera under laparoscope, which comprises: a first magnetic block 100; the second magnetic block 200 is matched with the first magnetic block 100 through magnetic attraction; a locking assembly 300 mounted on the second magnetic block 200, wherein the locking assembly 300 comprises a clamping portion, and a channel 310 is arranged on the clamping portion; one end of the chain 400 penetrates through the channel 310 and is clamped with the clamping part, and the other end of the chain 400 is a free end; tissue grasper 500 is in gripping engagement with the free end of chain 400.

The utility model provides a pair of use viscera magnetic force draw gear under peritoneoscope, through the cooperation of inhaling of magnetism between the magnetic path, solved the problem that receives the restriction of operating space, visual range when having enlarged the doctor operation, the cooperation of inhaling is inhaled to magnetism moreover and need not other medical personnel's help and carries and draw, just can realize the state in long-time fixed operation field of vision, improves the efficiency of operation, in addition, this draw gear's use need not to establish the handle hole in addition in patient abdominal cavity department, reduces patient's operation wound and reduces medical material expense.

Further preferably, the first magnetic block 100 and the second magnetic block 200 are inserted in a concave-convex manner, so that magnetic attraction matching is realized.

In this embodiment, the first magnetic block 100 is located in vitro, the second magnetic block 200 is located in vivo, and through the concave-convex insertion fit, the magnetic force between the first magnetic block 100 and the second magnetic block 200 can be further improved, a reliable guarantee is provided for the follow-up tissue grasping forceps 500 to pull the visceral tissues, and the efficiency of the follow-up abdominal surgery is further improved.

Preferably, as shown in fig. 1 to 6, the clamping portion includes two clamping blocks 320 respectively located at both sides of the channel 310, and one locking piece 330 is provided on one of the clamping blocks 320.

In this embodiment, the relative distance between the two blocks 320 is changed by the locking tab 330, the diameter of the channel 310 between the two blocks 320 is adjusted, and the position of the clamping portion when clamping the chain 400 is changed, thereby changing the amount of traction force generated between the tissue grasper 500 and the chain 400 and improving the flexibility of use of the traction device.

Preferably, as shown in fig. 1 to 6, the locking assembly 300 further includes an elastic part connected to the clamping part, wherein the clamping part moves up and down by the elastic part.

Further preferably, the elastic portion comprises two springs 340, wherein each spring 340 is connected to each clamping block 320.

In this embodiment, the spring 340 is disposed on the clamping block 320, so that when the medical staff operates the locking piece 330 to change the distance between the two clamping blocks 320, the two clamping blocks 320 after operation can be ensured to automatically reset, the chain 400 can be automatically clamped, and convenience of the traction device in changing traction force is improved.

Preferably, as shown in fig. 1 to 6, the locking assembly 300 further includes a frame 350, and an extension portion 351 is provided at each side of the frame 350, wherein the two clamping blocks 320 are respectively wedge-fitted with the extension portions 351 at the corresponding sides.

Further preferably, the extension 351 is integrally formed with both sides of the frame 350.

In this embodiment, through the wedge-shaped fit between the extension 351 and the clamping blocks 320 and the elastic fit between the clamping blocks 320 and the springs 340, the two sides of the channel 310 between the two clamping blocks 320 are synchronously increased and reduced, so as to clamp and release the chain 400, and further improve the reliability of the traction device in changing the traction force.

Preferably, as shown in fig. 1 to 6, a first guide part is provided on the frame 350 on the side where the extension part 351 is installed, wherein the first guide part is slidably engaged with the locking piece 330 on the clamping part.

Further preferably, the first guiding portion is a strip-shaped groove 352 disposed on the frame 350, wherein the strip-shaped groove 352 and the locking piece 330 are in sliding fit

In this embodiment, through first guide part, realize the straightness that hangs down of locking plate 330 at the in-process that reciprocates, guarantee two grip blocks 320 at the smooth and easy nature of the in-process that reciprocates, avoid taking place the card shell phenomenon.

Preferably, as shown in fig. 1 to 6, a second guide portion is provided on the frame 350 perpendicular to the side where the first guide portion is located, wherein the second guide portion is nested and engaged with the elastic portion.

Further preferably, the second guiding portion comprises two guiding posts 353, and each guiding post 353 is nested with a corresponding spring 340, wherein one end of each guiding post 353 is connected with the clamping block 320, and the other end of each guiding post 353 is connected with the frame 350.

In this embodiment, the second guiding portion enables the spring 340 to maintain its perpendicularity during the compression or expansion process, i.e. the compression or expansion of the spring 340 always moves along the axial direction of the guiding column 353, thereby ensuring the synchronous clamping and synchronous releasing of the two clamping blocks 320 to the chain 400.

Preferably, as shown in fig. 1 to 6, a rotating shaft 354 is connected to the frame 350, and a rotating wheel 355 is provided on the rotating shaft 354, wherein a chain 400 penetrating one end of the channel 310 is wound around the rotating wheel 355.

Further preferably, a stopper is provided along the axial direction of the runner 355.

Further preferably, the position-limiting portion is provided with an annular groove 356 along the axial direction of the runner 355.

In this embodiment, the rotation shaft 354 and the pulley 355 are engaged with each other, so that the chain 400 can be extended and retracted more smoothly, the degree of freedom of the chain 400 moving left and right on the pulley 355 is limited by the limiting portion, and the chain 400 is prevented from shaking on the pulley 355 or separating from the pulley 355, thereby improving the reliability of the locking assembly 300.

The utility model provides a pair of use flow with viscera magnetic force draw gear under peritoneoscope, at first with second magnetic path 200, put into the patient internally through the puncture ware together with locking Assembly 300 and chain 400, then the free end through tissue nipper 500 centre gripping chain 400, adjust the traction force between tissue nipper 500 and the chain 400 through locking plate 330, and through the fixed required viscera of carrying out carrying and pulling of tissue nipper 500, then hug closely patient abdominal wall with second magnetic path 200 on, find corresponding position at last in vitro, realize that magnetism between first magnetic path 100 and the second magnetic path 200 is inhaled and is connected, accomplish draw gear's fixed.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A magnetic traction device for internal organs under laparoscope is characterized by comprising:

a first magnetic block;

2. The magnetic visceral traction device for laparoscopy as recited in claim 1, wherein the first magnetic block and the second magnetic block are in concave-convex insertion fit.

3. A magnetic visceral traction apparatus for laparoscopy as recited in claim 1, wherein the holding portion comprises two holding blocks respectively disposed at both sides of the passage, and a locking piece is disposed on one of the holding blocks.

4. A magnetic visceral traction apparatus for laparoscopy as recited in claim 3, wherein the locking assembly further comprises an elastic part connected to the holding part, wherein the holding part is moved up and down by the elastic part.

5. A magnetic visceral traction apparatus for laparoscopy as recited in claim 4, wherein the locking assembly further comprises a frame and an extension portion is provided at each side of the frame, wherein the two holding blocks are engaged with the extension portions at the corresponding sides in a wedge shape.

6. A magnetic visceral traction apparatus for laparoscopy as recited in claim 5, wherein the frame on the side where the extension is installed has a first guide portion, and wherein the first guide portion is slidably engaged with the locking piece of the holder.

7. A magnetic visceral traction apparatus for laparoscopy as recited in claim 6, wherein the frame perpendicular to the side of the first guide portion is provided with a second guide portion, and wherein the second guide portion is engaged with the elastic portion in a nested manner.

8. A magnetic traction apparatus for viscera under laparoscope as claimed in claim 1, wherein a rotating shaft is connected to the frame, and a rotating wheel is provided on the rotating shaft, wherein a chain penetrating one end of the passage is wound on the rotating wheel.

9. A magnetic visceral traction apparatus for laparoscopy as recited in claim 8, wherein a stopper is provided along the axial direction of the runner.