CN102068292A - Magnetic device suitable for anastomosing small vessels - Google Patents

Abstract

Translated fromChinese

一种适用于小血管吻合的磁性装置，利用与待吻合的小血管的管径对应的两个内含永磁铁的永磁铁吻合环完成不同管径血管的吻合，这样避免了缝线手工吻合所带来的管腔狭窄、假性动脉瘤、吻合口渗漏、吻合速度慢以及并发症多的缺点，两个永磁铁吻合环相对而平滑光整使血管内膜整齐对合，避免了吻合口狭窄、渗漏血、结扎线滑脱致大出血、局部组织肉芽肿、假性动脉形成的缺点，且吻合速度较手工吻合者要快10倍以上，避免了组织器官因长时间阻断血流而导致器官淤血水肿致吻合渗血。

A magnetic device suitable for anastomosis of small blood vessels, which uses two permanent magnet anastomotic rings containing permanent magnets corresponding to the diameter of the small blood vessels to be anastomotic to complete the anastomosis of blood vessels with different diameters, thus avoiding the need for manual anastomosis with sutures. The shortcomings of lumen stenosis, pseudoaneurysm, anastomotic leakage, slow anastomosis and many complications, the two permanent magnet anastomotic rings are relatively smooth and smooth, so that the intima of the blood vessel is aligned neatly, avoiding the anastomosis Stenosis, blood leakage, hemorrhage caused by ligature slippage, local tissue granuloma, and pseudoarterial formation, and the anastomosis speed is more than 10 times faster than that of manual anastomosis, avoiding the tissue and organs caused by long-term blockage of blood flow. Organ congestion and edema caused anastomotic oozing.

Description

A kind of magnetic devices that is applicable to little vascular anastomosis

Technical field

The present invention relates to a kind of medical apparatus and instruments, be specifically related to a kind of magnetic devices that is applicable to little vascular anastomosis.

Background technology

The traditional operation medium vessels coincide and to continue to use still but that Carrel proposes manual identical method before more than 100 year, become the vascular anastomosis technology of main flow now, but it does not meet ideal vascular anastomosis principle as yet fully, the speed of not only coincideing is slow, this may cause occurring in the art serious hemodynamics and interior environment disorder, operation wound is bigger, inflammatory mediator release, when particularly in capital operation, need coincideing the petty action vein important, can cause the organ hypoxic-ischemic because of long-time blocking blood flow, dysfunction, or postoperative the Secondary cases massive hemorrhage occurs because of the ligature slippage, the easier generation anastomotic stricture of little arteriovenous anastomosis or inaccessible and cause the vascular anastomosis failure, dysfunction, postoperative also can cause local granulation tissue reaction and hypertrophy because of ligature retains in vivo, has increased the weight of patient's body injury; Also can cause the damage of blood vessel wall to form various complication such as false aneurysm in addition, influence anastomotic healing, and manual coincideing also needs higher surgery skill.These shortcomings are still affecting the various long-term efficacies that relate to vascular anastomosis so far.But in art, utilize the device that does not still have the vascular anastomosis of being specifically designed to the manual anastomosis of blood vessel of suture so far.

Summary of the invention

In order to overcome the deficiency that above-mentioned prior art exists, the object of the present invention is to provide a kind of magnetic devices that is applicable to little vascular anastomosis, utilize two the permanent magnet anastomosis ring that include permanent magnet corresponding to finish coincideing of different tube diameters blood vessel with the caliber of little blood vessel to be coincide, avoided the manual luminal stenosis that coincide and brought of suture like this, false aneurysm, the anastomotic stoma seepage, the shortcoming that the speed of coincideing is slow and complication is many, two permanent magnet anastomosis ring relatively and level and smooth polishing makes tunica intima neatly involutory, avoided anastomotic stricture, seepage blood, the ligature slippage causes massive hemorrhage, the local organization granuloma, the shortcoming that false tremulous pulse forms, and the more identical person of identical speed wants fast more than 10 times, has avoided histoorgan to cause organ congestion edema to cause identical oozing of blood because of long-time blocking blood flow.

In order to achieve the above object, the technical solution adopted in the present invention is:

A kind of magnetic devices that is applicable to little vascular anastomosis, form by two permanent magnet anastomosis ring, two permanent magnet anastomosis ring comprise respectively that shape size is consistent and have thepolypropylene column shell 2 of thehollow hole 5 that the aperture is consistent withlittle blood vessel 11 calibers to be coincide, thiscolumn shell 2 has cylinder ring connected instar 3 on an end face, this end face just is divided into outer face and inner face two parts bygroove 3 like this, thisgroove 3 is embedded with the cylindrical toroidalpermanent magnet 1 that its central axis and this cylinder ring connected in star central axis match, the magnetic of thepermanent magnet 1 of these two permanent magnet anastomosis ring is opposite, an end face ofpermanent magnet 1 is mutually concordant with inner face with described outer face, on inner face, also be distributed with the outside coniformtitanium alloy pin 7 of plural vertebra point in addition, have aninside coniform aperture 4 of vertebra point on the inner face between two adjacenttitanium alloy pins 7, the outer surface ofconiform aperture 4 positions of thetitanium alloy pin 7 of each permanent magnet anastomosis ring and another permanent magnet anastomosis ringtitanium alloy pin 7 that mirror image is corresponding and corresponding one by one and the inner wall shape size ofconiform aperture 4 are consistent.

Finish coincideing of different tube diameters blood vessel by utilizing two permanent magnet anastomosis ring that includepermanent magnet 1 corresponding with the caliber of little blood vessel to be coincide, avoided the manual luminal stenosis that coincide and brought of suture like this, false aneurysm, the anastomotic stoma seepage, the shortcoming that the speed of coincideing is slow and complication is many, two permanent magnet anastomosis ring relatively and level and smooth polishing makes tunica intima neatly involutory, avoided anastomotic stricture, seepage blood, the ligature slippage causes massive hemorrhage, the local organization granuloma, the shortcoming that false tremulous pulse forms, and the more identical person of identical speed wants fast more than 10 times, avoided histoorgan to cause organ congestion edema to cause identical oozing of blood because of long-time blocking blood flow, two other incidentaltitanium alloy pin 7 volumes in permanent magnet anastomosis ring surface are little, all have the favorable tissue compatibility with polypropylene material, polypropylene material also has anti-infectious function in addition.Latter two permanent magnet anastomosis ring of art is embedded in the tissue, adds that the magnetic field that two permanent magnet anastomosis ring itself are had also plays good facilitation to the healing of organizing, because the speed of coincideing is fast, the degree of histoorgan damaged is little and recover fast.Use this device operation not cause or only cause extremely slight adhesion, it is simple to perform the operation once more.

Description of drawings

Fig. 1 is the structural representation of a permanent magnet anastomosis ring of the present invention.

Fig. 2 is two sketch maps that the permanent magnetism anastomosis ring is staggered relatively of the present invention.

Fig. 3 is the sketch map that two permanent magnetism anastomosis ring of the present invention are fixedly intended involutory state respectively after the ends of vessels.

Fig. 4 is the view that two permanent magnetism anastomosis ring of the present invention are finished vascular anastomosis.

The specific embodiment

The present invention will be described in more detail below in conjunction with accompanying drawing.

As shown in Figure 1, be applicable to the magnetic devices of little vascular anastomosis, form by two permanent magnet anastomosis ring, two permanent magnet anastomosis ring comprise respectively that shape size is consistent and have thepolypropylene column shell 2 of thehollow hole 5 that the aperture is consistent withlittle blood vessel 11 calibers to be coincide, thiscolumn shell 2 has cylinder ring connected instar 3 on an end face, this end face just is divided into outer face and inner face two parts bygroove 3 like this, thisgroove 3 is embedded with the cylindrical toroidalpermanent magnet 1 that its central axis and this cylinder ring connected in star central axis match, the magnetic of thepermanent magnet 1 of these two permanent magnet anastomosis ring is opposite, an end face ofpermanent magnet 1 is mutually concordant with inner face with described outer face, on inner face, also be distributed with the outside coniformtitanium alloy pin 7 of plural vertebra point in addition, have aninside coniform aperture 4 of vertebra point on the inner face between two adjacenttitanium alloy pins 7, the outer surface ofconiform aperture 4 positions of thetitanium alloy pin 7 of each permanent magnet anastomosis ring and another permanent magnet anastomosis ringtitanium alloy pin 7 that mirror image is corresponding and corresponding one by one and the inner wall shape size ofconiform aperture 4 are consistent.

Operation principle of the present invention is: at first two permanent magnet anastomosis ring have a cylinder ring connected instar 3 end face relatively as shown in Figure 2,little blood vessel 11 to be coincide then via thepolypropylene column shell 2 of two permanent magnet anastomosis ringhollow hole 5 pass as shown in Figure 3, then two permanent magnets coincide to attract each other between the intra-annularpermanent magnet 1 to finish automatically and coincide as shown in Figure 4,anastomotic stoma 10 sealings form unobstructed vascular anastomosis chamber.

Finish coincideing of different tube diameters blood vessel by utilizing two permanent magnet anastomosis ring that includepermanent magnet 1 corresponding with the caliber of little blood vessel to be coincide, avoided the manual luminal stenosis that coincide and brought of suture like this, false aneurysm, the anastomotic stoma seepage, the shortcoming that the speed of coincideing is slow and complication is many, two permanent magnet anastomosis ring relatively and level and smooth polishing makes tunica intima neatly involutory, avoided anastomotic stricture, seepage blood, the ligature slippage causes massive hemorrhage, the local organization granuloma, the shortcoming that false tremulous pulse forms, and the more identical person of identical speed wants fast more than 10 times, avoided histoorgan to cause organ congestion edema to cause identical oozing of blood because of long-time blocking blood flow, two other incidentaltitanium alloy pin 7 volumes in permanent magnet anastomosis ring surface are little, all have the favorable tissue compatibility with polypropylene material, polypropylene material also has anti-infectious function in addition.Latter two permanent magnet anastomosis ring of art is embedded in the tissue, adds that the magnetic field that two permanent magnet anastomosis ring itself are had also plays good facilitation to the healing of organizing, because the speed of coincideing is fast, the degree of histoorgan damaged is little and recover fast.Use this device operation not cause or only cause extremely slight adhesion, it is simple to perform the operation once more.

Claims (1)

1. magnetic devices that is applicable to little vascular anastomosis, it is characterized in that: form by two permanent magnet anastomosis ring, two permanent magnet anastomosis ring comprise respectively that shape size is consistent and have the polypropylene column shell (2) of the hollow hole (5) that the aperture is consistent with little blood vessel (11) caliber to be coincide, this column shell (2) has cylinder ring connected in star (3) on an end face, this end face just is divided into outer face and inner face two parts by groove (3) like this, this groove (3) is embedded with the cylindrical toroidal permanent magnet (1) that its central axis and this cylinder ring connected in star central axis match, the magnetic of the permanent magnet of these two permanent magnet anastomosis ring (1) is opposite, an end face of permanent magnet (1) is mutually concordant with inner face with described inner face, on inner face, also be distributed with the outside coniform titanium alloy pin (7) of plural vertebra point in addition, have an inside coniform aperture (4) of vertebra point on the outer face between adjacent two titanium alloy pins (7), the outer surface of coniform aperture (4) position of the titanium alloy pin (7) of each permanent magnet anastomosis ring and another permanent magnet anastomosis ring titanium alloy pin (7) that mirror image is corresponding and corresponding one by one and the inner wall shape size of coniform aperture (4) are consistent.

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