CN211155933U

CN211155933U - Tissue collection bag for minimally invasive surgery and monitorable comminuted tissue isolation collector

Info

Publication number: CN211155933U
Application number: CN201921178746.6U
Authority: CN
Inventors: 包慧琼; 吴岳恒; 董子萱
Original assignee: Guangdong General Hospital Guangdong Academy of Medical Sciences
Current assignee: Guangdong General Hospital Guangdong Academy of Medical Sciences
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-08-04
Anticipated expiration: 2029-07-24

Abstract

The utility model discloses a tissue collection bag for minimally invasive surgery and a monitoring and crushing tissue isolation collector. The tissue collection bag comprises a main bag body and a plurality of bag necks; one end of the bag neck is connected with the main bag body, the other end of the bag neck is provided with a bag opening, and the bag neck close to the bag opening end is provided with silk threads. The collecting bag can flexibly adjust surgical instruments, and is convenient for bringing in, fixing, crushing and cutting tissues and taking out under the direct vision of an endoscope; the operation is easy and the bag body is not damaged; after the tissue is crushed, the bag openings can be tightened by silk threads, the collecting bag is taken out of the body in a closed state, the tissues can be effectively prevented from splashing and falling off, the risks of benign lesion planting and malignant tumor spreading are reduced to the maximum extent, and the operation safety is improved. The utility model provides a can keep watch on crushing tissue and keep apart collector for minimal access surgery, the sheath part can be sent into the internal back with the bag body and cut off, only stays the bag body internal, can vacate more operating space for all the other surgical instruments.

Description

Tissue collection bag for minimally invasive surgery and monitorable comminuted tissue isolation collector

Technical Field

The utility model belongs to the field of medical equipment, concretely relates to a tissue collection bag and can keep watch on crushing tissue isolation collector for minimal access surgery.

Background

The minimally invasive surgery has the advantages of small wound, quick recovery, small postoperative scar and the like, and is the preferred treatment method for most patients at present. The excision of diseased tissue or benign tumor under endoscope is to cut the diseased tissue or benign tumor under endoscope, to crush the excised tissue in the body cavity by using the fast rotating blade of the electromechanical crusher, and to take out the diseased tissue through the small incision on the body surface. However, the use of electromechanical morcellators can have associated complications, such as accidental injury to blood vessels or adjacent organs. More seriously, intraoperative tissue debris shedding may increase the risk of benign fibroid vaccination or malignant tumor dissemination, leading to decreased patient survival. Unpredictable surgical outcomes place a significant psychological burden and confusion on the patient. Therefore, while maintaining the advantages of minimally invasive surgery, the method of morcellation and removal of surgical resection must be optimized to maximize surgical safety.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a first aim at overcome prior art's shortcoming and not enough, provide a tissue collection bag for minimal access surgery.

It is yet another object of the present invention to provide a surveilled pulverized tissue isolation collector for minimally invasive surgery.

The purpose of the utility model is realized through the following technical scheme:

a tissue collection bag for minimally invasive surgery comprises a main bag body and a plurality of bag necks; one end of the bag neck is connected with the main bag body, the other end of the bag neck is provided with a bag opening, and the bag neck close to the bag opening end is provided with silk threads.

The bag neck is preferably arranged at one end of the main bag body, so that the other end of the main bag body is a closed bottom, and the safety of the removed tissues during crushing is better.

The bag neck is preferably an elongated cylindrical structure.

The bag neck preferably comprises a main bag neck and at least one secondary bag neck, the secondary bag neck being arranged symmetrically along the centre line of the main bag neck.

The main bag neck is used for placing rejected tissues, laparoscopes and the like.

The number of the auxiliary bag necks is preferably 2, and the auxiliary bag necks are used for placing surgical instruments and crushing removed tissues.

The caliber of the main bag neck is larger than that of the auxiliary bag neck.

The caliber of the main bag neck is preferably 1-10 cm.

The caliber of the auxiliary bag neck is preferably 0.5-2 cm.

The main bag neck is correspondingly provided with a main bag opening.

The auxiliary bag neck is correspondingly provided with an auxiliary bag opening.

The silk thread is preferably connected with the outer surface of the bag neck through a silk thread guide structure, the silk thread guide structure is arranged to facilitate relative fixing and operation of the silk thread, and the silk thread guide structure is arranged on the outer surface of the bag neck, so that relative sealing performance of the bag neck is guaranteed.

A monitorable, reduced tissue isolation collector for minimally invasive surgery comprising a sheath and a tissue collection bag for minimally invasive surgery as described above; one end of the sheath is connected with the main bag body of the tissue collecting bag for minimally invasive surgery, and the sheath is used for accurately placing the main bag body of the tissue collecting bag for minimally invasive surgery into the body.

The sheath comprises an inner sheath, an outer sheath and a memory alloy expanding device, wherein the inner sheath comprises an inner sheath pipe and an inner sheath handle, and the outer sheath comprises an outer sheath pipe and an outer sheath handle; the inner sheath tube is sleeved in the outer sheath tube in a freely sliding manner, and the inner sheath handle and the outer sheath handle are arranged at the same end; the other end of the inner sheath is connected with a memory alloy opening device, and the memory alloy opening device is connected with one bag opening in the tissue collecting bag for minimally invasive surgery. Before the collector is used, the tissue collecting bag is folded, rolled into the memory alloy expanding device and then collected into the outer sheath; when the memory alloy expanding device is used, the outer sheath tube extends into a body, the memory alloy expanding device is pushed out of the outer sheath tube through the inner sheath handle and the outer sheath handle, the memory alloy expanding device and a connected bag opening are expanded after being pushed out, and the tissue collecting bag is correspondingly opened.

The memory alloy expanding device is a circular ring made of memory alloy, is in a long elliptic shape when being accommodated in the outer sheath pipe, and extends out of the outer sheath pipe to be connected with a bag opening for expanding.

The memory alloy is preferably a nickel-titanium based alloy.

The memory alloy expanding device is preferably connected with a main bag opening in the tissue collecting bag for minimally invasive surgery.

The monitorable isolated collector of comminuted tissue for use in minimally invasive surgery further comprises a clip which, in use, is connected to the neck of the bag in the tissue collection bag for use in minimally invasive surgery and which acts to secure the respective operative instrument on the one hand and to further seal the neck of the bag on the other hand.

The minimally invasive surgery is preferably a laparoscopic minimally invasive surgery or a thoracoscopic minimally invasive surgery.

The utility model discloses for prior art have following advantage and effect:

the tissue collection bag for minimally invasive surgery provided by the utility model can flexibly adjust surgical instruments through the optimization of the structure, bring in, fix, crush and excise tissues and take out under the direct vision of the endoscope, and the tissue collection bag can be inflated and expanded after the surgical instruments are placed in the tissue collection bag, so that the crushing process can be ensured to be finished under the monitoring of the endoscope, the operation is easy, the bag body is not damaged, and the tissues can be effectively prevented from splashing; after the tissue is crushed, the bag openings can be tightly tied by silk threads and taken out of the body in a closed state, so that the safety of the minimally invasive surgery is improved to the maximum extent.

The utility model provides a can keep watch on crushing tissue and keep apart collector for minimal access surgery, the sheath can be cut off after sending into the internal with tissue collection bag, only stays tissue collection bag internal, can vacate more operating space for all the other surgical instruments.

Drawings

Fig. 1 is a schematic structural view of a tissue collection bag for minimally invasive surgery according to a preferred embodiment of the present invention.

FIG. 2 is a schematic view of a sheath portion of a monitored isolated tissue collector for minimally invasive surgery according to a preferred embodiment of the present invention.

1-main bag body, 2-bag neck, 21-main bag neck, 22-auxiliary bag neck, 3-bag mouth, 31-main bag mouth, 32-auxiliary bag mouth, 4-silk thread, 5-silk thread guide structure, 6-memory alloy expanding device, 7-inner sheath, 71-inner sheath tube, 72-inner sheath handle, 8-outer sheath, 81-outer sheath tube and 82-outer sheath handle.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.

Example 1 tissue collection bag for minimally invasive surgery

As shown in fig. 1, a tissue collection bag for minimally invasive surgery according to a preferred embodiment of the present invention comprises a main bag body 1 and a plurality of bag necks 2; the main bag body 1 and the bag neck 2 are connected into a whole; the free end part of the bag neck 2 is provided with a bag opening 3; the bag neck 2 comprises a main bag neck 21 and at least one auxiliary bag neck 22, wherein the caliber of the main bag neck 21 is larger than that of the auxiliary bag neck 22; the primary bag neck 21 is correspondingly provided with a primary bag opening 31, and the secondary bag neck 22 is correspondingly provided with a secondary bag opening 32. The bag neck close to the bag opening end is provided with a silk thread 4. The outer surface of the bag neck 2 close to the bag mouth 3 is provided with a thread guide structure 5 for guiding a thread 4 to loop the bag neck. The lead wire structure on the main bag neck 21 is spaced from the main bag mouth 31. When a plurality of secondary bag necks are provided, the diameters of the plurality of secondary bag necks may be the same or different, and are specifically adjusted according to the operation to be performed. Each bag neck is of a cylindrical structure, the size of the caliber and the number of the bag necks can be adjusted according to actual requirements, and the main bag neck with the larger caliber is more suitable for placing and taking an endoscope and cutting tissues under the endoscope. The thread guide structure can be a section of double-layer structure of the bag neck close to the bag opening end, and can also be a guide ring attached to the outer surface of the bag neck for relative fixing and operation of the thread. In this embodiment, the number of the sub bag necks is 2, and the 2 sub bag necks are symmetrically arranged along the center line of the main bag neck.

The tissue collection bag for minimally invasive surgery can be set into various types according to the size of the tissue to be resected.

Example 2 monitorable morcellated tissue isolation collector for minimally invasive surgery

A preferred embodiment of the present invention provides a surveilled pulverized tissue isolation collector for minimally invasive surgery, comprising a tissue collection bag and a sheath for minimally invasive surgery. The tissue collection bag for minimally invasive surgery is shown in figure 1, the sheath is shown in figure 2, the complete structure is that the sheath is connected with the tissue collection bag for minimally invasive surgery through the memory alloy opening device 6, and the sheath is used for accurately placing the tissue collection bag for minimally invasive surgery into a body.

The sheath comprises a memory alloy expanding device 6, an inner sheath 7 and an outer sheath 8. The inner sheath 7 comprises an inner sheath tube 71 and an inner sheath handle 72, and the outer sheath 8 comprises an outer sheath tube 81 and an outer sheath handle 82; the inner sheath tube 71 is freely slidably sleeved inside the outer sheath tube 81, and the inner sheath handle 72 and the outer sheath handle 82 are at the same end; the other end of the inner sheath tube 71 is connected with a memory alloy opening device 6, and the memory alloy opening device 6 is used for being connected with the main bag mouth 31 with larger caliber of the tissue collection bag.

The utility model discloses before using, be used for the tissue of minimal access surgery to collect the bag folding be drawn into memory alloy and open device 6 and then and in income sheath pipe 81, this device is tissue collection bag, memory alloy open device 6, interior sheath pipe 71 all be in income sheath pipe 81 before using promptly, also organize collection bag income sheath promptly. When in use, the outer sheath tube 81 extends into the body, the memory alloy expanding device 6 is pushed out of the outer sheath tube 81 through the inner sheath handle 72 and the outer sheath handle 82, the memory alloy expanding device 6 and the main bag port 31 are expanded after being pushed out, and the tissue collecting bag is placed in the body and is in an open state. First, under the monitoring of the endoscope, the surgically removed tissue is inserted into the main bag body 1 through the main bag mouth 31. The sheath is then pulled out of the body with the primary bag neck 21 attached and cut at a location on the primary bag neck 21 between the silk and the primary pocket 31, and the sheath is removed.

The external part of the collector can be removed after the operation process is carried out, and the collector can be taken out after an operator manually reduces the removed tissues in the main bag body by using a scalpel without depending on an electromechanical tissue crushing instrument, so that the possibility of fracture of the collector is reduced to a greater extent.

If the removed tissue is small in size, the removed tissue can be directly taken out from the main bag opening 31 without being crushed, sucked out or taken out together with the whole bag body. If more tissues are removed or the size is larger, a sheath can be arranged in the cavity inside each bag neck through the bag opening, the sheath is tied by corresponding threads and fixed on the inner surface of the corresponding bag neck, surgical instruments such as an endoscope, an electromechanical tissue crusher, an operating forceps and the like are respectively arranged in each sheath, and then the electromechanical tissue crusher is used for crushing large tissues under the visual effect of the endoscope. Different surgical instruments can be arranged in each sheath in a replaceable manner, and when the surgical instruments need to be replaced in the sheaths, the silk threads can ensure that the bag neck does not fall into the body. The position of the sheath in the bag neck can be flexibly adjusted according to actual needs by loosening the wires.

In this embodiment, the number of the sub bag necks is 2, and the 2 sub bag necks are symmetrically arranged along the center line of the main bag neck.

Conventional laparoscopic surgery typically requires 3 incisions, including one umbilical incision and two lower abdominal incisions, with a puncture instrument being used to create a surgical access path in each incision. Preferably, after removal of the diseased tissue, the laparoscope is moved to the abdominal side, the monitorable morcellated tissue isolation collector provided in this embodiment is placed from the umbilical incision, pushed out through the sheath and the tissue collection bag is deployed within the abdominal cavity; cutting off tissues under the mirror by using an operation forceps, and putting the cut tissues into the main bag body 1 of the tissue collection bag through the main bag opening 31; the silk threads 4 corresponding to the two auxiliary bag necks 22 are tied and closed, the original puncture outfits on the two lower abdominal incisions pull the silk threads to pull the two auxiliary bag necks 22 out of the body, and meanwhile, the puncture outfits on the incisions are taken out; loosening the silk thread, placing the puncture outfit taken down from the side incision into the auxiliary bag neck 22 through the auxiliary bag opening 32, opening the auxiliary bag neck 22, establishing a channel for surgical instruments to enter the tissue collection bag, and externally fixing the puncture outfit by tightening the silk thread; removing the sheathing with the main bag neck 21 from the umbilical incision, simultaneously removing the laparoscope and the puncture outfit positioned in the umbilical incision from the body, cutting between the silk thread guide structure 5 of the main bag neck 21 and the main bag opening 31, and removing the sheathing; the puncture outfit taken down from the umbilical incision is placed into the main bag neck 21 through the main bag opening 31, a channel for surgical instruments to enter the tissue collection bag is established, and the puncture outfit is externally fixed on the puncture outfit through a binding silk thread; a laparoscope is arranged in the main bag mouth 31 and is inflated, an electromechanical crusher is arranged in the main bag mouth 32, and an operation clamp is arranged in the auxiliary bag mouth 32; under the monitoring of a laparoscope, isolated and crushed cut tissues are taken out from the expanded balloon-shaped main bag body 1; after the excised tissues are completely crushed and taken out, the air in the main bag body 1 is exhausted, and all surgical instruments and puncture outfits are taken out; ligating the silk threads corresponding to the two auxiliary bag necks 22, and putting the two auxiliary bag necks 22 into the body; the main bag neck thread is pulled, and the tissue collection bag is completely taken out.

More preferably, the surveilled reduced tissue isolation collector for minimally invasive surgery of the present invention further comprises a clip which, in use, is connected to each of the bag necks in the tissue collection bag, on the one hand for holding the corresponding operating instrument and, on the other hand, for further sealing the bag necks.

Therefore, the monitored crushed tissue isolation collector for the minimally invasive surgery can crush and cut tissues under the vision of an endoscope such as a laparoscope and take out the tissues, the bag body is closed, the tissues are effectively prevented from splashing, and the crushed tissues are completely isolated from the abdominal cavity and the abdominal viscera.

The tissue isolation collector may also be used to manually crush excised tissue within the main pouch after removal of the sheath. While this operation is more time consuming than the use of an electromechanical morcellator, reliance on electromechanical tissue morcellating devices is somewhat reduced and manual morcellation of tissue is reported to be safer than electromechanical morcellation.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims

1. A tissue collection bag for minimally invasive surgery, comprising: comprises a main bag body and a plurality of bag necks; one end of the bag neck is connected with the main bag body, the other end of the bag neck is provided with a bag opening, and the bag neck close to the bag opening end is provided with silk threads.

2. The tissue collection bag for minimally invasive surgery of claim 1, wherein: the bag neck is arranged at one end of the main bag body.

3. The tissue collection bag for minimally invasive surgery of claim 2, wherein: the bag neck comprises a main bag neck and at least one auxiliary bag neck, and the auxiliary bag neck is symmetrically arranged along the central line of the main bag neck.

4. The tissue collection bag for minimally invasive surgery of claim 3, wherein: the number of the auxiliary bag necks is 2.

5. The tissue collection bag for minimally invasive surgery of claim 3, wherein: the caliber of the main bag neck is 1-10 cm; the caliber of the auxiliary bag neck is 0.5-2 cm.

6. The tissue collection bag for minimally invasive surgery of claim 1, wherein: the thread is connected to the outer surface of the bag neck by a thread guide structure.

7. A monitorable, isolated collector of comminuted tissue for use in minimally invasive surgery, comprising: the tissue collection bag for minimally invasive surgery comprises a sheath and the tissue collection bag for minimally invasive surgery as claimed in any one of claims 1 to 6, wherein one end of the sheath is connected with a main bag body of the tissue collection bag for minimally invasive surgery.

8. The monitorable morcellated tissue isolation collector for minimally invasive surgery of claim 7 wherein: the sheath comprises a memory alloy expanding device, an inner sheath and an outer sheath, the inner sheath comprises an inner sheath pipe and an inner sheath handle, and the outer sheath comprises an outer sheath pipe and an outer sheath handle; the inner sheath tube is sleeved in the outer sheath tube in a freely sliding manner, and the inner sheath handle and the outer sheath handle are arranged at the same end; the other end of the inner sheath is connected with a memory alloy opening device, and the memory alloy opening device is connected with one bag opening in the tissue collecting bag for minimally invasive surgery.

9. The monitorable morcellated tissue isolation collector for minimally invasive surgery of claim 8 wherein: the memory alloy opening device is connected with a main bag opening in the tissue collecting bag for minimally invasive surgery.

10. The monitorable, pulverized tissue isolation collector for minimally invasive surgery of any one of claims 7 to 9 wherein: also comprises a clip which is connected with the bag neck in the tissue collection bag for minimally invasive surgery when in use.