CN203524768U - Anastomosis welding device - Google Patents

Anastomosis welding device Download PDF

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Publication number
CN203524768U
CN203524768U CN201320574807.7U CN201320574807U CN203524768U CN 203524768 U CN203524768 U CN 203524768U CN 201320574807 U CN201320574807 U CN 201320574807U CN 203524768 U CN203524768 U CN 203524768U
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China
Prior art keywords
retainer ring
pressing parts
groove
pressing
hole
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Expired - Fee Related
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CN201320574807.7U
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Chinese (zh)
Inventor
赵灵犀
宋成利
朱巍
周宇
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University of Shanghai for Science and Technology
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University of Shanghai for Science and Technology
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Priority to CN201320574807.7U priority Critical patent/CN203524768U/en
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Abstract

The utility model discloses an anastomosis welding device which can weld two sections of in vitro intestine tissue in an end-to-end mode by means of radio frequency energy. The anastomosis welding device comprises a first pressing part, a second pressing part, a first fixing ring, a second fixing ring, two annular electrodes and a thermocouple. The first pressing part and the second pressing part are axially aligned to each other, the two annular electrodes are arranged on the periphery of the first fixing ring and the periphery of the second fixing ring respectively in a sleeved mode, one annular electrode and the first pressing part are arranged in one section of the in vitro intestine tissue in a sleeved mode, the other annular electrode and the second pressing part are arranged in the other section of the in vitro intestine tissue in a sleeved mode, the first fixing ring is axially connected with the inside of the first pressing part in a sleeved mode, the second fixing ring is axially connected with the inside of the second pressing part in a sleeved mode, and the end face of the annular electrode which is arranged on the periphery of the first fixing ring in a sleeved mode is provided with a through hole used for embedding the thermocouple. The anastomosis welding device is simple in structure and safe and convenient to operate, and can adjust welding pressure and measure welding temperature.

Description

Welder coincide
Technical field
This utility model relates to a kind of minimally invasive medical experimental provision, is specifically related to a kind of identical welder that utilizes radio-frequency (RF) energy to hold-hold two sections of in vitro intestinal tissues of welding.
Background technology
Excision pathological changes intestinal segment, sewing up remaining intestinal segment is one of Main Means for the treatment of colorectal cancer with the normal intestinal of Reconstruction of The Function.In bowel anastomosis art, stitching thread is the anastomosis tool early using, doctor by separated intestinal tissue by suture together, through after a while, anastomotic healing, stitching thread is absorbed, intestinal has been rebuild.Due to manual suture length consuming time, doctor's operating experience and operating technology are had relatively high expectations.If stitching thread is not completely absorbed the inflammation that can cause patient, delayed healing speed, even causes fistula of operative incision.
Along with the progress of medical skill, in order to improve the problems referred to above, utilize anastomat to replace stitching thread.Common anastomat adopts the Type B nail that Nitinol is made to penetrate intestinal tissue, with similar stapler principle separated intestinal tissue stitching together.After anastomotic healing, nail meeting Automatic-falling enters intestinal and excretes.Although the appearance of this anastomat has solved the problem that stitching thread exists, the anastomosis staple that metal material is made can retain significant period of time in vivo, may cause inflammation.
For fear of the deficiency of above-mentioned metal anastomotic device, medical instruments field has been released radio frequency bowel anastomosis device.Chinese invention patent CN103110459A discloses a kind of bipolar radio frequency bowel anastomosis device and method of work.This anastomat comprises proximal structure, distal structure and radio-frequency (RF) energy generator, and proximal structure is placed in intestinal near-end, and distal structure is positioned at intestinal far-end.The both positive and negative polarity that connects radio-frequency (RF) energy generator by the wire of handle inside, after the proximal structure of anastomat and distal structure docking, intestinal is enclosed within respectively on proximal structure and distal structure, needs identical position to draw in to be attached near, distal metal annulus the bowel anastomosis of having switched on.After power-off, by push broach, excise residual tissue in intestinal.This anastomat anastomotic position is continuous, and after completing, foreign remains in intestinal, has improved the safety of anastomosis procedures simultaneously.
The advantage of this new disclosed bipolar radio frequency bowel anastomosis device is obvious.But do not realize the pressure and temperature while controlling radio frequency, cannot carry out isolated experiment and help the key parameter that scientific research personnel studies intestinal tissue solder technology.For the problems referred to above, inventor of the present utility model proposed a kind of can regulating welding pressure, measure the radio-frequency (RF) energy of utilizing of welding temperature and hold-hold the identical welder that welds two sections of in vitro intestinal tissues.
Utility model content
In order to address the above problem, the purpose of this utility model be to provide a kind of can regulating welding pressure, measure welding temperature, the radio-frequency (RF) energy of utilizing of weld the inner unnecessary tissue of rear excision holds-holds the identical welder that welds two sections of in vitro intestinal tissues.
In order to achieve the above object, this utility model has adopted following technical scheme:
This utility model provides a kind of identical welder that utilizes radio-frequency (RF) energy to hold-hold two sections of in vitro intestinal tissues of welding, there is such feature, comprise: the first pressing parts, the second pressing parts, the first retainer ring, the second retainer ring, for sending two annular electrodes of radio-frequency (RF) energy and the thermocouple of measuring temperature, wherein, the first pressing parts have the first rotary structure, the second pressing parts have the second rotary structure, the first pressing parts and the alignment of the second pressing component axial are placed, two annular electrodes are set in respectively in the peripheral position of the first retainer ring and the second retainer ring, one of them annular electrode and the first pressing parts are sleeved in one section of in vitro intestinal tissue, another annular electrode and the second pressing parts are sleeved in the in vitro intestinal tissue of another section,
The first retainer ring is axially socketed in the first pressing parts, the second retainer ring is axially socketed in the second pressing parts, thereby the first retainer ring and the second retainer ring clamp respectively two sections of described in vitro intestinal tissues that are sleeved on the first pressing parts and the second pressing parts, wherein, the end that is set in the annular electrode in the first retainer ring peripheral position is provided with the through hole for chimeric described thermocouple.
In the identical welder providing at this utility model, can also there is such feature, the first rotary structure is integrated large cylinder and the small cylinder of making, in the bottom surface of large cylinder, circle centre position is provided with shoulder hole, and the sidewall of shoulder hole is perpendicular to the bottom surface of large cylinder, the position that keeps to the side in the bottom surface of large cylinder is provided with a through hole, the second rotary structure is integrated large column and the post of making, and is provided with the first groove and second groove with axiality in the end face center of this large column.
In the identical welder providing at this utility model, can also have such feature, the sidewall of the first groove is trapezoidal pyramid type, and the sidewall of the second groove is column type, and the path of trapezoidal circular cone is greater than the diameter of the second groove.
In the identical welder providing at this utility model, can also there is such feature, the first retainer ring be integrated make for what socket-connect with shoulder hole, engage platform and circular base station, the end face circle centre position of this circle base station is provided with flat-bottom hole, the second retainer ring has trapezoidal circular cone body, and the fixed leg that there is being used for of being made into integration and flat-bottom hole pressing with this circular cone body be used for and the joint pin of the second groove socket.
The effect of utility model and effect:
A kind of identical welder that utilize radio-frequency (RF) energy hold-hold welding two section in vitro intestinal tissues related according to this utility model, because it adopts Modular Structure Design, between each parts, in socket mode, assemble, adopt the fixing two sections of in vitro intestinal tissues that need to be soldered of mode of pressing parts and fixed part, and the annular electrode send radio-frequency (RF) energy is set in the peripheral position of fixed part, chimeric thermocouple in the aperture of annular electrode
So, (a). and the identical welder that utilizes radio-frequency (RF) energy to hold-hold two sections of in vitro intestinal tissues of welding of the present utility model has simple in structure generally, the advantage of easy-to-operate.
(b). coincide welder in radio-frequency (RF) energy welding process, welding position temperature can be surveyed, welding pressure scalable.
(c). after identical welding completes, the first retainer ring is pressed into unnecessary intestinal tissue that the first pressing parts and the second retainer ring be pressed into the second pressing parts by circular resection.
Accompanying drawing explanation
Fig. 1 is the package assembly generalized section of the identical welder in this utility model embodiment; And
Fig. 2 is the stereochemical structure decomposing schematic representation of the identical welder in this utility model embodiment.
In figure, 1. the first pressing parts, 11. large cylinders, 12. small cylinders, 13. shoulder holes, 14. through holes, 2. the first retainer ring, 21. engaging platforms, 22. circular base stations, 23. flat-bottom holes, 3. the second retainer ring, 31. fixed legs, 32. trapezoidal circular cone bodies, 33. joint pins, 4. the second pressing parts, 41. large columns, 42. posts, 43. first grooves, 44. second grooves, 5. annular electrode, 6. thermocouple.
The specific embodiment
For technological means, creation characteristic that this utility model is realized, reach object with effect is easy to understand, below in conjunction with drawings and Examples, this utility model is done to elaboration further.
Fig. 1 is the package assembly generalized section of identical welder in embodiment of the present utility model.
As shown in Figure 1, the radio-frequency (RF) energy of utilizing in the present embodiment is come end-endweld the identical welder 100 of the in vitro intestinal tissue not showing in two sections of figure, comprise: the first pressing parts 1, the second pressing parts 4, the first retainer ring 2, the second retainer ring 3, two annular electrodes 5 and 6, two annular electrodes 5 of thermocouple send radio-frequency (RF) energy.
Fig. 2 is the perspective view of the identical welder of this utility model.
As shown in Figure 2, the first pressing parts 1 have the first rotary structure, the second pressing parts 4 have the second rotary structure, the first pressing parts 1 and the second pressing parts 4 are axially aligned placement, two annular electrodes are set in respectively in the peripheral position of the first retainer ring 2 and the second retainer ring 3, one of them annular electrode 5 and the first pressing parts 1 are sleeved in one section of in vitro intestinal tissue, and another annular electrode 5 and the second pressing parts 4 are sleeved in the in vitro intestinal tissue of another section.
The first retainer ring 2 is axially socketed in the first pressing parts 1, the second retainer ring 3 is axially socketed in the second pressing parts 4, thereby the first retainer ring 2 and the second retainer ring 3 clamp respectively two sections of described in vitro intestinal tissues that are sleeved on the first pressing parts 1 and the second pressing parts 4, wherein, the end that is set in the annular electrode 5 in the first retainer ring 2 peripheral position is provided with the through hole for chimeric thermocouple 6.
The first rotary structure that the first pressing parts 1 adopt is integrated large cylinder 11 and the small cylinder 12 of making, in the bottom surface of large cylinder 11, circle centre position is provided with shoulder hole 13, and the sidewall of shoulder hole 13 is perpendicular to the bottom surface of large cylinder 11, and the position that keeps to the side in the bottom surface of large cylinder 11 is provided with a through hole 14.
The second rotary structure that the second pressing parts 2 adopt is integrated large column 41 and the post 42 of making, and in the end face center of large column 41, is provided with the first groove 43 and second groove 44 with axiality.
The sidewall of the first groove 43 is trapezoidal pyramid type, the peristome of the first groove 43 is large footpaths of trapezoidal circular cone, the bottom of the first groove 43 is paths of trapezoidal circular cone, and the sidewall of the second groove 44 is column type, and the path of this trapezoidal circular cone is greater than the diameter of the second groove 44.
The the first pressing parts 1 and the second pressing parts 4 that are set with in vitro intestinal tissue are axially aligned placement, and the bottom surface of large cylinder 11 is near the end face of large column 41.
The first retainer ring 2 be integrated make for what fasten with shoulder hole 13, engage platform 21 and circular base station 22, the end face circle centre position of circular base station 22 is provided with flat-bottom hole 23.
The second retainer ring 3 has trapezoidal circular cone body 32, and the fixed leg 31 that there are being used for of being made into integration and flat-bottom hole 23 pressings with trapezoidal circular cone body 32 be used for and the joint pin 33 of the second groove 44 sockets.Fixed leg 31 is arranged on the circle centre position of the large end face of trapezoidal circular cone body 32, joint pin 33 is arranged on the circle centre position of the small end face of trapezoidal circular cone body, the tapering of trapezoidal circular cone body 32 is identical with the sidewall tapering of the first groove 43, and after joint pin 33 and the second groove 44 sockets, gapped between the sidewall of trapezoidal circular cone body 32 and the sidewall of the first groove 43.
Shape and structure thereof below in conjunction with above-mentioned identical welder are simply described the welding process of coincideing.
Be sleeved on the in vitro intestinal tissue of first paragraph on the first pressing parts 1 and upper annular electrode 5, its part that exceeds the bottom surface of large cylinder 11 is pressed in shoulder hole 13, after engaging platform 21 on the first retainer ring 2 is socketed with shoulder hole 13, the in vitro intestinal tissue of first paragraph is clamped in shoulder hole 13.
Be sleeved on the in vitro intestinal tissue of second segment on the second pressing parts 4 and lower annular electrode 5, its end face part that exceeds large column 41 is pressed in the first groove 43, after the second groove 44 on joint pin 33 socket the second pressing parts 4 on the second retainer ring 3, the in vitro intestinal tissue of second segment is clamped in the first groove 43.
The the first pressing parts 1 and the second pressing parts 4 that package in vitro intestinal tissue are axially aligned to placement, and be arranged on the instrument that pressure is provided, by fixed leg 31 alignment on the second fixture 3, be pressed into the flat-bottom hole 23 on the first fixture 2, the in vitro intestinal tissue of another section on the end face of in vitro intestinal tissue on the bottom surface of large cylinder 11 and large column 41 is compressed, thereby the serosal surface welding position of two sections of in vitro intestinal tissues is fit together.
The pressure that regulates pressure tool to provide, after pressure stability, start input radio frequency energy to the welding that coincide of in vitro intestinal tissue, after the through hole 14 that thermocouple 6 passes on the first pressing parts 1, be entrenched in again in the through hole of annular electrode 5, and the identical welding position of two sections of in vitro intestinal tissues is directly carried out to thermometric.After having welded, two sections of in vitro intestinal tissues coincide together, pressure between the first pressing parts 1 and the second pressing parts 4 is kept to zero, first take off the first pressing parts 1, peripheral rotary cutting along the first retainer ring 2 removes unnecessary tissue in intestinal tissue, secondly, take off the first retainer ring 2; Again, take off the second retainer ring 3, finally take off the second pressing parts 4.In this way, anastomotic stoma foreign is residual, in intestinal tissue, can not stopped up by residual intestinal tissue.
The effect of embodiment
This radio-frequency (RF) energy of utilizing in the present embodiment holds-holds the identical welder of two sections of in vitro intestinal tissues of welding to adopt Modular Structure Design, by each assembling parts is completed.The mode of the socket by pressing parts and fixture is fixing needs two sections of soldered in vitro intestinal tissues, evenly clamping is sleeved on the in vitro intestinal tissue on pressing parts, and the annular electrode send radio-frequency (RF) energy is set in the peripheral position of pressing parts, chimeric thermocouple in the aperture of annular electrode, after identical welding completes, the inner unnecessary tissue of intestinal is by circular resection, without unnecessary intestinal tissue, remain in intestinal, so can provide a kind of at identical welder in radio-frequency welding process, realizing welding position temperature can survey, welding pressure scalable, the identical welder that operation link can effectively be controlled.And this identical welder has simple in structure generally, can repeat dismounting utilization, the advantage of easy-to-operate.
Certainly the radio-frequency (RF) energy of utilizing that this utility model is related holds-holds the identical welder of two sections of in vitro intestinal tissues of welding to be not merely defined in described in the present embodiment structure.

Claims (4)

1. utilize radio-frequency (RF) energy to weld an identical welder for two sections of in vitro intestinal tissues, it is characterized in that, comprising:
The first pressing parts, the second pressing parts, the first retainer ring, the second retainer ring, for sending two annular electrodes and the thermocouple of described radio-frequency (RF) energy,
Wherein, described the first pressing parts have the first rotary structure, and described the second pressing parts have the second rotary structure, and described the first pressing parts and described the second pressing component axial alignment are placed,
Described two annular electrodes are set in respectively in the peripheral position of described the first retainer ring and described the second retainer ring, one of them annular electrode and described the first pressing parts are sleeved in one section of in vitro intestinal tissue, another annular electrode and described the second pressing parts are sleeved in the in vitro intestinal tissue of another section
Described the first retainer ring is axially socketed in described the first pressing parts, described the second retainer ring is axially socketed in described the second pressing parts, thereby described the first retainer ring and described the second retainer ring clamp respectively two sections of described in vitro intestinal tissues that are sleeved on described the first pressing parts and described the second pressing parts
Wherein, the end that is set in the annular electrode in described the first retainer ring peripheral position is provided with the through hole for chimeric described thermocouple.
2. identical welder according to claim 1, is characterized in that:
Wherein, described the first rotary structure is integrated large cylinder and the small cylinder of making, and in the bottom surface of described large cylinder, circle centre position is provided with shoulder hole, and the sidewall of described shoulder hole is perpendicular to the bottom surface of described large cylinder, the position that keeps to the side in the bottom surface of described large cylinder is also provided with a through hole
Described the second rotary structure is integrated large column and the post of making, and is provided with the first groove and second groove with axiality in the end face center of this large column.
3. identical welder according to claim 2, is characterized in that:
Wherein, the sidewall of described the first groove is trapezoidal pyramid type, and the sidewall of described the second groove is column type, and the path of described trapezoidal circular cone is greater than the diameter of described the second groove.
4. the identical welder of stating according to claim 2, is characterized in that:
Wherein, described the first retainer ring be integrated make for what socket-connect with described shoulder hole, engage platform and circular base station, the end face circle centre position of this circle base station is provided with flat-bottom hole,
Described the second retainer ring has trapezoidal circular cone body, and the fixed leg that there is being used for of being made into integration and described flat-bottom hole pressing with this circular cone body be used for and the joint pin of described the second groove socket.
CN201320574807.7U 2013-09-16 2013-09-16 Anastomosis welding device Expired - Fee Related CN203524768U (en)

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Application Number Priority Date Filing Date Title
CN201320574807.7U CN203524768U (en) 2013-09-16 2013-09-16 Anastomosis welding device

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Application Number Priority Date Filing Date Title
CN201320574807.7U CN203524768U (en) 2013-09-16 2013-09-16 Anastomosis welding device

Publications (1)

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CN203524768U true CN203524768U (en) 2014-04-09

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108113746A (en) * 2017-11-16 2018-06-05 上海理工大学 The identical electrode of RF energy welding and application
CN109171952A (en) * 2018-08-07 2019-01-11 上海理工大学 A kind of coordinated type pressure controllable tissue welding electrode and its application
WO2021139084A1 (en) * 2020-01-11 2021-07-15 复旦大学 Intestinal tube welding device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108113746A (en) * 2017-11-16 2018-06-05 上海理工大学 The identical electrode of RF energy welding and application
CN109171952A (en) * 2018-08-07 2019-01-11 上海理工大学 A kind of coordinated type pressure controllable tissue welding electrode and its application
WO2021139084A1 (en) * 2020-01-11 2021-07-15 复旦大学 Intestinal tube welding device

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140409

Termination date: 20190916

CF01 Termination of patent right due to non-payment of annual fee