CN204275131U - A kind of limbs topical and dialysis apparatus - Google Patents
A kind of limbs topical and dialysis apparatus Download PDFInfo
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- CN204275131U CN204275131U CN201420660309.9U CN201420660309U CN204275131U CN 204275131 U CN204275131 U CN 204275131U CN 201420660309 U CN201420660309 U CN 201420660309U CN 204275131 U CN204275131 U CN 204275131U
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- External Artificial Organs (AREA)
Abstract
The utility model discloses a kind of limbs topical and dialysis apparatus, tremulous pulse chamber is arranged an arterial blood entrance matched with large artery trunks one end, an arterial blood matched with large artery trunks other end end exports and at least one administration entrance; Described vein chamber is arranged a venous blood entrance matched with vein limbs end, venous blood matched with the nearly heart side of vein exports, a dialysis solution entrance and a dialysis solution export, blood coil pipe is provided with in described vein chamber, one end of described blood coil pipe connects venous blood entrance, the other end connects venous blood outlet, and described blood coil pipe is dialysing tube structure.This utility model makes it while carrying out artery administration, carry out the filtration of specific sized molecules again to the venous blood of backflow, provides affected limb medicine, and is confined to the blood circulation of suffering limb body; The harmful substance that suffering limb body produces is excreted, makes it not enter in systemic blood circulation, reach the object of these limbs Focal lesions for the treatment of.
Description
Technical field
This utility model relates to a kind of medical assistant product, in particular a kind of limbs topical and dialysis apparatus.
Background technology
Along with earthquake, vehicle accident, landslide etc. frequently occur, crush injury, more and more common from the patient of disconnected wound; Adopt the technology such as vascular anastomosis to make limbs blood for after recovery, side effect and then the threat to life such as high potassium, hypermyoglobinemia may be occurred.And some other patient is as diabetic foot, the circumscribed malignant tumor of limbs, osteomyelitis etc., be difficult to play the best use of by intravenous route administration focal area drug level is too low, systemic medication excessive concentration may have an impact to other organs again.Press through for a long time (under room temperature, more than 6 ~ 7 hours) if limbs of patient is squeezed, myocyte's degeneration necrosis can be caused, discharge a large amount of Myoglobin, potassium ion, magnesium ion, phosphate radical, sulfate radical, non-protein nitrogen; And after removing weight, these toxicants enter in systemic blood circulation, acute renal failure can be caused, final threat to life; Namely there is reperfusion injury.Therefore, once find serious crush injury, emergency treatment open decompression is needed; Even, only having there is distally limb muscle partial necrosis due to rupture of blood vessel blocking etc. in some patients, in order to reduce renal function, also carries out amputation.
Further, for limb dividing wound, especially muscular lower limb from disconnected patient, when its limbs are preserved not good or not in time medical; Postoperative by the replantation of amputated limb of vascular anastomosis technology row, also whole body can occur that the physiological and pathological of similar crush syndrome changes.Even if some patients is in time medical, but due to from disconnected limb muscle abundant (if thigh is from disconnected wound), also do not advocate to carry out replantation.
In addition, diabetes, osteomyelitis are also more and more common; May be there is antibacterial in these patients, slough enters blood circulation and produce toxemia, and then occur septic shock, death; Although now mass efficient antibiotic therapy can be used, this large amount of antibiotic whole body application, make drug distribution in whole body and can not local distribution in suffering limb body; Sometimes in order to reach the active drug concentration in local lesion, often need improve drug level, therefore easily causing the damage of other organs; And the too low therapeutic effect that can not reach of concentration, and life-time service antibiotic easily produces the flora of drug resistance.And some researchs show, by hemoculture, some patients have confirmed that Bacteria in Blood is killed, but its overall health of patients continues to worsen.This is due to by containing the cytokines such as a large amount of TNF, IL6, IL8 in the blood after limbs blood backflow heart, and myocardial contraction can be caused to decline; Meanwhile, can excite numerous waterfall sample reactions, a large amount of inflammatory mediator is expressed, and causes the secondary injury of body tissue organ.
Clinical in treating the patient of limb malignant tumor, the systemic chemotherapy often carrying out antitumor drug before the Limb preservation of amputation or prosthesis replacement is avoided or reduces tumor embolus entering systemic blood circulation, and then the neoplasm metastasis preventing this path from occurring; But antitumor drug also has significant impact to the normal structure of body.Therefore, these limbs Focal lesion difficulty in treatment above-mentioned are: active drug should only be distributed in suffering limb body by 1; 2 should avoid the toxicant multiple abscess in the suffering limb body of local in systemic blood circulation.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of limbs topical and dialysis apparatus, both ensure that the active drug concentration of distally limbs, additionally reduces the impact that medicine and other toxicants cause whole body vitals.
This utility model is achieved through the following technical solutions, and this utility model comprises tremulous pulse chamber and vein chamber; Described tremulous pulse chamber and vein chamber are two mutually isolated box bodys, tremulous pulse chamber is arranged an arterial blood entrance matched with large artery trunks one end, an arterial blood matched with large artery trunks other end end exports and at least one administration entrance; Described vein chamber is arranged a venous blood entrance matched with vein limbs end, venous blood matched with the nearly heart side of vein exports, a dialysis solution entrance and a dialysis solution export, blood coil pipe is provided with in described vein chamber, one end of described blood coil pipe connects venous blood entrance, the other end connects venous blood outlet, and described blood coil pipe is dialysing tube structure.
As one of optimal way of the present utility model, the venous blood entrance of described vein chamber is provided with kinetic pump.Heart cannot be carried out voluntarily owing to returning painstaking effort.The object of kinetic pump makes blood after filtering, return body smoothly exactly.
As one of optimal way of the present utility model, the aperture of described dialysing tube is 0.2 ~ 0.4um.The hole of dialysing tube is greater than cytokine diameter and is less than the diameter of hemocyte, cytokine described in the utility model is generally protein molecular, and due to its size differences of difference of protein molecular larger, but all in nanoscale structures, size of blood cells is 10 microns, both differences clearly, dialyzer design achieves hemocyte and cannot penetrate and only can hold cytokine and pass, simultaneously, antibacterial diameter in dialysis solution is 0.5 ~ 1 micron, can effectively carry out the filtration of antibacterial and not enter into venous blood.
Described arterial blood entrance is positioned at the top of tremulous pulse chamber, and arterial blood outlet is positioned at the bottom of tremulous pulse chamber, and administration entrance is between arterial blood entrance and arterial blood outlet.
Described venous blood entrance and dialysis solution outlet lay respectively at the top of vein chamber, and venous blood outlet and dialysis solution entrance lay respectively at the bottom of vein chamber.
Human vas is arterial-venous companion row, and blood direction is contrary.The design of tremulous pulse chamber and vein chamber can realize sewing up blood vessel easily.
And the direction of venous lumen filtered solution and venous blood stay direction contrary, be in order to two kinds of liquid traffic better, be convenient to not enter systemic blood circulation to body harmful substance.
This utility model has the following advantages compared to existing technology: this utility model makes it while carrying out artery administration, carry out the filtration of specific sized molecules again to the venous blood of backflow, the medicine of affected limb q.s is provided, and be confined to the blood circulation of suffering limb body, do not affect other positions of whole body; The harmful substance produced by suffering limb body excretes as the method by dialysis such as Myoglobin, potassium ion, magnesium ion, oxygen-derived free radicals, makes it not enter in systemic blood circulation, finally reaches the object of these limbs Focal lesions for the treatment of.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below embodiment of the present utility model is elaborated; the present embodiment is implemented under premised on technical solutions of the utility model; give detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
As shown in Figure 1, the present embodiment comprises tremulous pulse chamber 1 and vein chamber 2; Described tremulous pulse chamber 1 and vein chamber 2 are two mutually isolated box bodys, tremulous pulse chamber 1 is arranged an arterial blood entrance matched with large artery trunks one end 11, arterial blood matched with large artery trunks other end end and export 12 and an administration entrance 13, arterial blood entrance 11 is positioned at the top of tremulous pulse chamber 1, arterial blood outlet 12 is positioned at the bottom of tremulous pulse chamber 1, and administration entrance 13 is between arterial blood entrance 11 and arterial blood outlet 12.
Treatment required medicine such as somatomedin, antineoplastic agent, antimicrobial drug etc. enter tremulous pulse chamber 1 from administration entrance 13.Therefore, provide the arterial blood of limbs nutrition and required medicine to enter in tremulous pulse chamber 1 respectively by arterial blood entrance 11 and administration entrance 13, and mix, inject aortic opposite side finally by arterial blood outlet, and in multiple abscess to ill limbs.
Vein chamber 2 is arranged a venous blood entrance 21 matched with vein limbs end, the venous blood matched with the nearly heart side of vein exports 22, a dialysis solution entrance 23 and a dialysis solution outlet 24, blood coil pipe 25 is provided with in described vein chamber 2, one end of blood coil pipe 25 connects venous blood entrance 21, the other end connects venous blood outlet 22, venous blood entrance 21 and dialysis solution outlet 24 lay respectively at the top of vein chamber 2, venous blood outlet 22 and dialysis solution entrance 23 lay respectively at the bottom of vein chamber 2, the venous blood entrance 21 of vein chamber 2 is provided with kinetic pump 26, blood coil pipe 25 is dialysing tube structure, the aperture of dialysing tube is 0.2 ~ 0.4um.The hole of dialysing tube is greater than cytokine diameter and is less than the diameter of hemocyte, cytokine is generally protein molecular, and due to its size differences of difference of protein molecular larger, but all in nanoscale structures, size of blood cells is 10 microns, both differences clearly, dialyzer design achieves hemocyte and cannot penetrate and only can hold cytokine and pass, antibacterial diameter is 0.5 ~ 1 micron, the dialysis solution that effectively can carry out multiple abscess in the filtration stream of antibacterial can by a large amount of potassium ion in blood pathway, magnesium ion, phosphate radical sulfate radical, Myoglobin, the cytokines such as medicine filter out from blood, the harmful substance finally passed back in patient's heart is significantly declined, because this reducing systemic effects.
During limb dividing, both sides large artery trunks is connected on respectively arterial blood entrance 11 (nearly heart side), arterial blood outlet 12 (heart sides far away), are connected on venous blood entrance 21 (heart side far away) respectively by both sides large vein, venous blood outlet 22 (nearly heart sides); The main tremulous pulse trunk providing arterial blood in suffering limb nearly heart side is then selected by other limbs localized diseases, and main venous trunk, is cut off both sides and coincide as stated above respectively, and other communicating branch capable of blocking obtains blood most effectively and controls if desired.Different medicines and perfusion rate is given according to the difference of limbs localized disease; Different dialysis solution is given according to the difference of localized disease; When tremulous pulse and medicine multiple abscess are in limbs, and through venous return and pump to venous chamber, by the blood coil pipe 25 in venous chamber, unnecessary material is drained in dialysis solution, and excretes through the flowing of dialysis solution.
By the treatment of this application of installation to following disease:
1, the replantation of amputated limb postoperative (especially longer for post burn, muscle is compared with horn of plenty or the limbs occurring partial necrosis): arterial chamber gives dilatation anticoagulant+antibacterials; Venous chamber gives dialysis solution and unnecessary dilatation anticoagulant and antibacterials is excreted, and the material such as Myoglobin, potassium, magnesium, phosphate radical produced by muscular death etc. excretes.
2, crush syndrome patient, as earthquake, traffic accident, landslide, the patient that limbs pressing time is longer: the same.
3, patient with diabetic feet: the same, arterial chamber is except giving said medicine, and can give insulin, wherein insulin does not spill by dialyzer, and therefore, medication amount need give corresponding adjustment according to whole body blood glucose situation.
4, the malignant tumor of limbs local, as osteosarcoma etc., can apply this instrument and carry out local anti-tumor chemotherapy: arterial chamber gives antitumor drug or other gene therapy medicines before guarantor's limb or amputation; Unnecessary antitumor drug etc. then excretes by venous chamber, decreases the impact on other positions of whole body.
5, prolonged osteomyelitis (co) of not healing: arterial chamber gives the antibiotics of over much dosage or the medicine of other biological therapy, can give dilatation medicine; The medicines such as unnecessary antibiotics are excreted by dialysis solution by venous chamber.
Claims (5)
1. limbs topical and a dialysis apparatus, is characterized in that, comprises tremulous pulse chamber and vein chamber; Described tremulous pulse chamber and vein chamber are two mutually isolated box bodys, tremulous pulse chamber is arranged an arterial blood entrance matched with large artery trunks one end, an arterial blood matched with large artery trunks other end end exports and at least one administration entrance; Described vein chamber is arranged a venous blood entrance matched with vein limbs end, venous blood matched with the nearly heart side of vein exports, a dialysis solution entrance and a dialysis solution export, blood coil pipe is provided with in described vein chamber, one end of described blood coil pipe connects venous blood entrance, the other end connects venous blood outlet, and described blood coil pipe is dialysing tube structure.
2. a kind of limbs topical according to claim 1 and dialysis apparatus, is characterized in that, the venous blood entrance of described vein chamber is provided with kinetic pump.
3. a kind of limbs topical according to claim 1 and dialysis apparatus, is characterized in that, the aperture of described dialysing tube is 0.2 ~ 0.4um.
4. a kind of limbs topical according to claim 1 and dialysis apparatus, it is characterized in that, described arterial blood entrance is positioned at the top of tremulous pulse chamber, and arterial blood outlet is positioned at the bottom of tremulous pulse chamber, and administration entrance is between arterial blood entrance and arterial blood outlet.
5. a kind of limbs topical according to claim 1 and dialysis apparatus, is characterized in that, described venous blood entrance and dialysis solution outlet lay respectively at the top of vein chamber, and venous blood outlet and dialysis solution entrance lay respectively at the bottom of vein chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420660309.9U CN204275131U (en) | 2014-11-06 | 2014-11-06 | A kind of limbs topical and dialysis apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420660309.9U CN204275131U (en) | 2014-11-06 | 2014-11-06 | A kind of limbs topical and dialysis apparatus |
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| CN204275131U true CN204275131U (en) | 2015-04-22 |
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| CN201420660309.9U Expired - Fee Related CN204275131U (en) | 2014-11-06 | 2014-11-06 | A kind of limbs topical and dialysis apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104307064A (en) * | 2014-11-06 | 2015-01-28 | 上海市第六人民医院 | Limb local drug delivery and dialysis device and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104307064A (en) * | 2014-11-06 | 2015-01-28 | 上海市第六人民医院 | Limb local drug delivery and dialysis device and application thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 |