CN105280068B - A kind of Amputated limb arteriovenous gap bridge match connecto and its operation and detection method - Google Patents
A kind of Amputated limb arteriovenous gap bridge match connecto and its operation and detection method Download PDFInfo
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- CN105280068B CN105280068B CN201510878449.2A CN201510878449A CN105280068B CN 105280068 B CN105280068 B CN 105280068B CN 201510878449 A CN201510878449 A CN 201510878449A CN 105280068 B CN105280068 B CN 105280068B
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Abstract
A kind of Amputated limb arteriovenous gap bridge match connecto of the present invention, including sebific duct of infusing, respectively connection is socketed with gap bridge mating unit at transfusion sebific duct both ends, mating unit of passing a bridge has the sub- joint for the socket that matches with model artery and vein vascular internal wall of pipe orifice, and the passage of connection transfusion sebific duct and model artery and vein vascular is provided with mating unit of passing a bridge.The present invention improves transfusion sebific duct, gap bridge mating unit is respectively sleeved at its two, then the similar model artery and vein vascular in model amputation and model trunk is correspondingly socketed in the present apparatus.Secondary injury is caused to model artery and vein vascular wall it is an advantage of the invention that avoiding when sebific duct of being infused in traditional bridge joint mode connects with the suture of model artery and vein vascular；By infusing, sebific duct just can reach the function of repetition break-make blood flow in the plug on mating unit of passing a bridge, and have the characteristics of topology layout is reasonable, each mechanism fit precision is high and operates steadily.
Description
Technical field
The present invention relates to medical treatment device, specifically a kind of Amputated limb arteriovenous gap bridge match connecto of teaching and its behaviour
Work and detection method.
Background technology
Although replantation of a severed limb operation history existing nearly 50 years so far, replanted limb functional rehabilitation degree and healthy limb
For body phase than still there is larger gap, tracing it to its cause mainly has at 2 points:1. the recovery of the amputation muscle function of recovery 2. of nervous function.It is right
In nerve, have many technologies and material at present to increase its repairing effect, and for muscle, at present still without related technology
The function of muscle recovery its original of long-time ischemic can be made with material.Substantial amounts of clinical report and research confirmation, musculature
More than 6 ~ 8 hours solubility phase diagrams that cell just occurs of ischemic, even if now carrying out blood perfusion to amputation again, also occur
Serious " ischemical reperfusion injury ", so in addition to easily causing renal function of patients exhaustion threat to life in early days after surgery, after
Phase also results in amputation muscle contracture, function is lost.Therefore, the Ischemia Time for reducing amputation muscle is protection patient vitals and extensive
The unique channel of multiple limb function.
Amputation patient preoperative carries out necessary inspection from by hurting the time for being transported to hospital typically at 4 hours or so
At least 1 hour the time required to looking into and preparing, therefore, the Ischemia Time of amputation muscle is close to the limit before operation does not have started
Value.In addition, traditional simulation replantation of a severed limb operation generally require according to debridement, detect, fracture fixation, nervus vasculairs reparation, flesh
The flow of tendon reparation is carried out, that is to say, that leading to the time of blood being performed the operation since simulation first to limbs also needs at least 3 hours.By
This, such as presses traditional simulation operation method, the time of blood perfusion first of amputation muscle can not meet requirement.
In simulation training in addition to stored refrigerated amputation, many microsurgery doctors also attempt to use before operation wound clearing is simulated
Sebific duct infuse as bridge material, the method bundled by suture, it is connected with the major arteries distance end on limbs, to disconnected
Limb carries out leading to blood first.This method can reach the purpose for reducing Ischemia Time really, but it but has a disadvantage that：1. hold
The artery and vein vascular inner membrance of destructible limbs health.2. the function of logical blood can simply be repeated by lacking.Continuing must be by it when performing the operation
Remove, need to repeat operation above if thinking to lead to blood again；3. the simple artery of amputation leads to blood, no venous return.Waste religion
The valuable blood of dummy is learned, even if there is treatment of blood transfusion, also easily causes dummy's haemorrhagic shock of imparting knowledge to students.At present, there has been no for
Above mentioned problem and the teaching proposed or the medicine equipment of experiment.
The content of the invention
The technical problems to be solved by the invention are in view of the above-mentioned state of the art, and to propose topology layout for teaching
Rationally, each mechanism fit precision is high and can repeat break-make and protect a kind of Amputated limb arteriovenous of model artery and vein vascular inner membrance
Gap bridge match connecto and its operation and detection method.
Technical scheme is used by the present invention solves above-mentioned technical problem：A kind of Amputated limb arteriovenous is passed a bridge with tipping
Put, including transfusion sebific duct, respectively connection is socketed with gap bridge mating unit at transfusion sebific duct both ends, and mating unit of passing a bridge has to be moved with model
Vein blood vessel internal wall of pipe orifice matches the sub- joint of socket, and connection transfusion sebific duct and model arteriovenous are provided with mating unit of passing a bridge
The passage of blood vessel.
To optimize above-mentioned technical proposal, the measure taken also includes：
The end-contraction of above-mentioned sub- joint is conehead, and sub- joint periphery is provided with a circle stopper slot.
The base portion of above-mentioned sub- joint is connected to the portion of holding, and the portion of holding is connected to the portion of screwing, and the portion of screwing is extended with bifurcated piece and interior
Bushing pipe, transfusion sebific duct are socketed on internal lining pipe, and bifurcated piece is uniformly distributed in the periphery of transfusion sebific duct, and the portion of screwing is provided with outer spiral shell
Line, screw and fastening cap is connected with portion, the inwall of fastening cap contacts with bifurcated piece.
Above-mentioned bifurcated piece periphery is taper, the inwall of fastening cap is taper.
The periphery of above-mentioned internal lining pipe is taper.
The projection of above-mentioned sub- joint, female joint and fastening cap in the axial direction, which is located at, holds in the maximum cross section in portion.
The above-mentioned maximum cross section for holding portion periphery is polygon.
The above-mentioned maximum cross section for holding portion periphery is regular polygon, and radially nail has metal respectively for a pair of parallel side
Nail, the head of a nail of described peg be affixed on it is described hold portion side, nail tip is located on the described inwall for holding portion's internal channel.
The above-mentioned periphery for holding portion two is taper.
A kind of operation of Amputated limb arteriovenous gap bridge match connecto and detection method, it is specifically：One model amputation meeting
Two present apparatus are equipped with, two sub- joints of a device are respectively used to connect the far and near end of artery, labeled as red；Another
Two sub- joints of device are respectively used to connect the far and near end of vein, labeled as blueness；
The first step is installed：First with the of short duration hemostasis of haemostatic clamp, by the port inner wall of the model artery and vein vascular artery of fracture
Impurity clean out after be socketed on the sub- joint of red device, unclamp the fresh emulation blood in model trunk after haemostatic clamp
It can pour in model amputation, the blood of alluvial is gone out from vein end in model amputation, has been reached with the beginning of itself fresh emulation blood
The effect of model artery and vein vascular in step cleaning model amputation；
Second step is installed：Again with the of short duration hemostasis of haemostatic clamp, by the port inner wall of the model artery and vein vascular vein of fracture
On impurity clean out after be socketed on the sub- joint of blue device, unclamp after haemostatic clamp model trunk and model amputation just shape
Into simulation blood circulation, so that model amputation is able to simulated blood and continuously moistened；
Haemostatic clamp, which can be sandwiched on model artery and vein vascular, during hemostasis can also be clipped on transfusion sebific duct.
The gap bridge being connected with the model vein blood vessel in model amputation is coupled unit fit on electromagnetic flowmeter and connected
Exterior terminal display terminal, simulation blood flow is judged by observing the optical signal on display terminal.
Compared with prior art, a kind of Amputated limb arteriovenous gap bridge match connecto of the invention, including transfusion sebific duct, it is defeated
Respectively connection is socketed with gap bridge mating unit at sol pipe both ends, and mating unit of passing a bridge has and model artery and vein vascular internal wall of pipe orifice phase
The sub- joint of socket is matched, the passage of connection transfusion sebific duct and model artery and vein vascular is provided with mating unit of passing a bridge.The present invention
Transfusion sebific duct is improved, gap bridge mating unit is respectively sleeved at its two, then by model amputation and model trunk
Similar model artery and vein vascular is correspondingly socketed in the present apparatus.Infused it is an advantage of the invention that avoiding in traditional bridge joint mode
Sebific duct causes secondary injury when being connected with the suture of model artery and vein vascular to model artery and vein vascular wall；By sebific duct of infusing in mistake
Plug on bridge mating unit can just reach the function of repetition break-make blood flow, and with topology layout is reasonable, each mechanism coordinates essence
The characteristics of degree is high and operates steadily.
Brief description of the drawings
Fig. 1 is the use state diagram of the present invention；
Fig. 2 is the gap bridge mating cell schematics of the present invention；
Fig. 3 is Fig. 2 decomposing schematic representation；
Fig. 4 is the full section of the gap bridge mating unit and infuse sebific duct and model artery and vein vascular connection status of the present invention
Figure；
Fig. 5 is A portions enlarged diagram in Fig. 4；
Fig. 6 is B portions enlarged diagram in Fig. 4；
Fig. 7 is the decomposing schematic representation passed a bridge and unit is coupled.
Embodiment
Embodiments of the invention are described in further detail below in conjunction with accompanying drawing.
Fig. 1 to Fig. 7 is the structural representation of the present invention.
Reference therein is：Fastening cap 1, sub- joint 21, stopper slot 21a, conehead 21b, hold portion 22, female joint 23,
Screw portion 23a, bifurcated piece 23b, internal lining pipe 23c, line 3, model artery and vein vascular 4, model arteries 41, model vein blood vessel
41st, transfusion sebific duct 5, peg 6.
Fig. 1 to Fig. 6 is the structural representation of the present invention, as shown in figure 1, a kind of Amputated limb arteriovenous of the present invention is passed a bridge
Match connecto, including transfusion sebific duct 5, respectively connection is socketed with gap bridge mating unit at transfusion sebific duct 5 both ends, and mating unit of passing a bridge has
Match the sub- joint 21 of socket with the internal wall of pipe orifice of model artery and vein vascular 4, and connection transfusion sebific duct 5 is provided with mating unit of passing a bridge
With the passage of model artery and vein vascular 4.Transfusion sebific duct 5 and model artery and vein vascular 4 in traditional bridge joint mode of simulation operation
Connected using suture, this mode causes secondary injury to the internal wall of pipe orifice of model artery and vein vascular 4, of the invention by common transfusion glue
Two of pipe 5 covers respectively connects gap bridge mating unit, will move the similar model in model amputation and model trunk during use
Vein blood vessel is correspondingly socketed on the sub- joint 21 of the present apparatus, can thus be reached and be supplied mould with the autoblood in model trunk
The purpose of type amputation survival；In addition by clamping or unclamping transfusion sebific duct 5 with regard to the function of repetition break-make blood flow can be reached, can also lead to
Cross plug transfusion sebific duct and reach the function of repetition break-make blood flow, the present invention and with topology layout is reasonable, each mechanism fit precision
Height and the characteristics of operating steadily.
The end-contraction of sub- joint 21 as shown in Figure 2 is conehead 21b in embodiment, and the sub- periphery of joint 21 is provided with circle limit
Position groove 21a.Conehead 21b can help sub- joint 21 more accurately to insert model artery and vein vascular 4, and protect model arteriovenous blood
The wall of pipe 4 exempts from the sub- end face of joint 21 shovel wound, and line 3 is pricked energy on stopper slot 21a by model artery and vein vascular 4 after being enclosed on sub- joint 21
Prevent the abjection of model artery and vein vascular 4.
The base portion of sub- joint 21 in embodiment as shown in Figure 4 and Figure 5 is connected to the portion of holding 22, holds portion 22 and is connected to the portion of screwing
23a, the portion 23a of screwing are extended with bifurcated piece 23b and internal lining pipe 23c, and transfusion sebific duct 5 is socketed on internal lining pipe 23c, bifurcated piece 23b
The periphery of transfusion sebific duct 5 is uniformly distributed in, portion 23a is screwed and is provided with external screw thread, screw and fastening cap 1 is connected with portion 23a, is fastened
The inwall of cap 1 contacts with bifurcated piece 23b.First transfusion sebific duct 5 is socketed on internal lining pipe 23c through fastening cap 1 during assembling, then will
Fastening cap 1 screws portion 23a, and bifurcated piece 23b is tight by transfusion sebific duct 5 by the extruding of the inwall of fastening cap 1 in this process
Tightly it is pressed on internal lining pipe 23c.
Bifurcated piece 23b peripheries in embodiment as shown in Figure 4 and Figure 5 are taper, the inwall of fastening cap 1 is taper.Periphery
Bifurcated piece 23b and inwall for taper are that the contact surface of fastening cap 1 of taper is more cylindrical bigger, and the active force of radial direction is also more each other
Greatly.Fastening cap 1 is gradually strengthened the bifurcated piece 23b radial pressures applied during fastening cap 1 screws portion 23a, keeps away
Exempt from because bifurcated piece 23b causes transfusion sebific duct 5 to be deviate from the transfusion pressure subsidy of sebific duct 5.
The periphery of internal lining pipe 23c in embodiment as shown in Figure 4 and Figure 5 is taper.Periphery for taper internal lining pipe 23c more
Easily insertion transfusion sebific duct 5, the resistance being subject to during extraction are also small.
The projection of sub- joint 21, female joint 23 and fastening cap 1 in the axial direction in embodiment is horizontal positioned at the maximum for holding portion 22
In section.The part convenient use person grasping maximum as volume of portion 22 is held, smoothly pinching the portion of holding 22 just can easily make
The operation of disassembly and assembly.
The maximum cross section for holding the periphery of portion 22 in embodiment is polygon, and polygonal outer periphery makes user smoothly pinch
Hold portion 22.
The maximum cross section for holding the periphery of portion 22 in embodiment as shown in Figure 7 is regular polygon, the use of regular polygon periphery
Person pinches the feel in the portion of holding 22 more preferably.Radially nail has peg 6, the head of a nail of described peg 6 respectively for a pair of parallel side
The side of portion 22 is held described in being affixed on, nail tip is located on the described inwall for holding the internal channel of portion 22.Nail tip and simulation contacting blood, two
Individual nail tip is relative but distance be present, the head of a nail profile of peg 6 and place to hold the side of portion 22 identical.
The periphery for holding the two of portion 22 in embodiment is taper.Narrow space can be deep into by holding the tapered outer periphery at the two of portion 22
Position.
21 each corner of sub- joint in embodiment is equipped with rounded corner to protect model artery and vein vascular 4 from wedge angle
Draw thorn.
A kind of operation of Amputated limb arteriovenous gap bridge match connecto and detection method, it is specifically：One model amputation meeting
Two present apparatus are equipped with, two sub- joints 21 of a device are respectively used to the far and near end of link model arteries 41, mark
For red；Two sub- joints 21 of another device are respectively used to the far and near end of link model vein blood vessel 42, labeled as blueness；
The first step is installed：First with the of short duration hemostasis of haemostatic clamp, by the impurity on the internal wall of pipe orifice of model arteries 41 of fracture
It is socketed on after cleaning out on the sub- joint 21 of red device, the fresh emulation blood after release haemostatic clamp in model trunk can gush
Enter in model amputation, the solidifying body of alluvial is gone out from vein end in model amputation, has reached preliminary with itself fresh emulation blood
Clear up the effect of model artery and vein vascular 4 in model amputation；
Second step is installed：Again with the of short duration hemostasis of haemostatic clamp, by the port inner wall of the model vein blood vessel 42 of fracture
Impurity is socketed on after cleaning out on the sub- joint 21 of blue device, and model trunk is just formed with model amputation after unclamping haemostatic clamp
Blood circulation is simulated, so that model amputation is able to simulated blood and continuously moistened；
Haemostatic clamp, which can be sandwiched on model artery and vein vascular 4, during simulation hemostasis can also be clipped on transfusion sebific duct 5.
Electromagnetic flowmeter (figure is connected with the gap bridge mating unit being connected with the model vein blood vessel 42 in model amputation
Not shown in）, a pair of induced potential collection terminals of electromagnetic flowmeter are placed on peg 6, and the effect of peg 6 is collection mould
Intend blood to be connected with exterior terminal display terminal signal in potential caused by passage both sides, electromagnetic flowmeter under magnetic fields,
Simulation blood flow is judged by observing the optical signal on display terminal, so as to prevent the simulation blood in model amputation
Flow is insufficient.Electromagnetic flowmeter be arranged on be connected with model vein blood vessel 41 gap bridge mating unit on the reason for be：Mould
Type amputation tendon and vessel end is the outlet of blood, sets detection means can the more accurate measurements simulation blood that passes through model amputation herein
Flow.
Highly preferred embodiment of the present invention has illustrated, and the various change or remodeling made by those of ordinary skill in the art are not
It can depart from the scope of the present invention.
Claims (2)
1. operation and the detection method of a kind of Amputated limb arteriovenous gap bridge match connecto, Amputated limb arteriovenous is passed a bridge with tipping
To put including transfusion sebific duct (5), respectively connection is socketed with gap bridge mating unit at described transfusion sebific duct (5) both ends, it is characterized in that：It is described
Gap bridge mating unit there is the sub- joint (21) of socket of matching with model artery and vein vascular (4) internal wall of pipe orifice, described mistake
The passage of connection transfusion sebific duct (5) and model artery and vein vascular (4) is provided with bridge mating unit；The end of described sub- joint (21)
End is punctured into conehead (21b), and described sub- joint (21) periphery is provided with a circle stopper slot (21a)；Described sub- joint (21)
Base portion is connected to the portion of holding (22), and described portion (22) of holding is connected to the portion of screwing (23a), and the described portion (23a) that screws is extended with point
Forks piece (23b) and internal lining pipe (23c), described transfusion sebific duct (5) are socketed on described internal lining pipe (23c), described bifurcated
Piece (23b) is uniformly distributed in the periphery of described transfusion sebific duct (5), and the described portion (23a) that screws is provided with external screw thread, described
Screw and fastening cap (1) is connected with portion (23a), the inwall of described fastening cap (1) contacts with described bifurcated piece (23b)；Institute
Bifurcated piece (23b) periphery stated is taper, the inwall of described fastening cap (1) is taper；The periphery of described internal lining pipe (23c)
For taper；First transfusion sebific duct (5) is socketed on internal lining pipe (23c) through fastening cap (1) during assembling, then fastening cap (1) is revolved
Enter the portion that screws (23a), bifurcated piece (23b) will be infused sebific duct (5) tightly by the extruding of fastening cap (1) inwall in this process
Ground is pressed on internal lining pipe (23c)；Female joint (23), the throwing of described sub- joint (21) and described fastening cap (1) in the axial direction
Shadow is located in the described maximum cross section for holding portion (22)；
The described maximum cross section for holding portion (22) periphery is regular polygon；Radially nail has peg respectively for a pair of parallel side
(6), the head of a nail of described peg (6) be affixed on it is described hold portion (22) side, nail tip holds portion (22) internal channel positioned at described
Inwall on；Nail tip and simulation contacting blood, two nail tips are relative but distance, the head of a nail profile of peg (6) and place be present
To hold portion (22) side identical；
The operation of Amputated limb arteriovenous gap bridge match connecto and detection method are specifically：One model amputation can be equipped with two sheets
Device, two sub- joints (21) of a device are respectively used to the far and near end of link model arteries (41), labeled as red；
Two sub- joints (21) of another device are respectively used to the far and near end of link model vein blood vessel (42), labeled as blueness；
The first step is installed：It is first with the of short duration hemostasis of haemostatic clamp, the impurity on model arteries (41) internal wall of pipe orifice of fracture is clear
It is socketed on after reason is clean on the sub- joint (21) of red device, the fresh emulation blood after release haemostatic clamp in model trunk can gush
Enter in model amputation, the solidifying body of alluvial is gone out from vein end in model amputation, has reached preliminary with itself fresh emulation blood
Clear up the effect of model artery and vein vascular (4) in model amputation；
Second step is installed：, will be miscellaneous on the port inner wall of the model vein blood vessel (42) of fracture again with the of short duration hemostasis of haemostatic clamp
Matter is socketed on after cleaning out on the sub- joint (21) of blue device, and model trunk is just formed with model amputation after unclamping haemostatic clamp
Blood circulation is simulated, so that model amputation is able to simulated blood and continuously moistened；Haemostatic clamp can press from both sides during simulation hemostasis
Infused in can be also clipped on model artery and vein vascular (4) on sebific duct (5)；It is connected with the model vein blood vessel (42) in model amputation
Electromagnetic flowmeter is connected with the gap bridge mating unit connect, and a pair of induced potential collection terminals of electromagnetic flowmeter are placed in described
On peg (6), the effect of peg (6) is that collection simulates blood under magnetic fields in potential caused by passage both sides；Institute
The electromagnetic flowmeter stated is connected with exterior terminal display terminal signal, by observing the optical signal on display terminal to simulating blood
Flow quantity is judged；
Electromagnetic flowmeter be arranged on be connected with model vein blood vessel (41) gap bridge mating unit on the reason for be：Model amputation muscle
Arteries and veins end is the outlet of blood, sets detection means can the more accurate measurements simulation blood flow that passes through model amputation herein.
2. operation and the detection method of a kind of Amputated limb arteriovenous gap bridge match connecto according to claim 1, it is special
Sign is：The described periphery for holding portion (22) two is taper.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510878449.2A CN105280068B (en) | 2015-12-04 | 2015-12-04 | A kind of Amputated limb arteriovenous gap bridge match connecto and its operation and detection method |
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| CN201510878449.2A CN105280068B (en) | 2015-12-04 | 2015-12-04 | A kind of Amputated limb arteriovenous gap bridge match connecto and its operation and detection method |
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| CN105280068B true CN105280068B (en) | 2017-12-12 |
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| WO2022219545A1 (en) * | 2021-04-13 | 2022-10-20 | Biomodex, S.A.S. | Patient specific aortic procedure simulation device |
| CN114446107B (en) * | 2022-01-27 | 2023-01-10 | 山东第一医科大学附属肿瘤医院(山东省肿瘤防治研究院、山东省肿瘤医院) | Microsurgery bionic blood vessel anastomosis training device |
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| CN202207381U (en) * | 2011-07-21 | 2012-05-02 | 东莞科威医疗器械有限公司 | Novel blood vessel cannula |
| CN205487057U (en) * | 2015-12-04 | 2016-08-17 | 宁波市第六医院 | It connects device to pass a bridge to join in marriage from disconnected limbs sound arteries and veins |
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| CN2168149Y (en) * | 1993-04-17 | 1994-06-08 | 康凤高 | Fastening-type quick-acting pipe |
| EP0980229B1 (en) * | 1997-04-29 | 2003-11-05 | Andreas G. Riess | Device for locally immobilizing a beating heart |
| CN2574609Y (en) * | 2002-10-11 | 2003-09-24 | 凯思比科技创业（深圳）有限公司 | Tattooing pen |
| CN1684114A (en) * | 2004-04-12 | 2005-10-19 | 中国人民武装警察部队总医院 | Simple venous puncture demonstration model |
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| CN202207381U (en) * | 2011-07-21 | 2012-05-02 | 东莞科威医疗器械有限公司 | Novel blood vessel cannula |
| CN205487057U (en) * | 2015-12-04 | 2016-08-17 | 宁波市第六医院 | It connects device to pass a bridge to join in marriage from disconnected limbs sound arteries and veins |
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| CN105280068A (en) | 2016-01-27 |
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