CN201168317Y - Embedded type pump for easing pain - Google Patents
Embedded type pump for easing pain Download PDFInfo
- Publication number
- CN201168317Y CN201168317Y CNU2008200845474U CN200820084547U CN201168317Y CN 201168317 Y CN201168317 Y CN 201168317Y CN U2008200845474 U CNU2008200845474 U CN U2008200845474U CN 200820084547 U CN200820084547 U CN 200820084547U CN 201168317 Y CN201168317 Y CN 201168317Y
- Authority
- CN
- China
- Prior art keywords
- cavity
- embedded type
- circular cavity
- groove
- analgesia pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 208000002193 Pain Diseases 0.000 title description 5
- 230000036407 pain Effects 0.000 title description 4
- 230000036592 analgesia Effects 0.000 claims description 45
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 15
- 239000000741 silica gel Substances 0.000 claims description 15
- 229910002027 silica gel Inorganic materials 0.000 claims description 15
- 230000000712 assembly Effects 0.000 claims description 13
- 238000000429 assembly Methods 0.000 claims description 13
- 230000000202 analgesic effect Effects 0.000 abstract description 17
- 239000003814 drug Substances 0.000 abstract description 10
- 230000002924 anti-infective effect Effects 0.000 abstract description 6
- 208000015181 infectious disease Diseases 0.000 abstract description 6
- 229940079593 drug Drugs 0.000 abstract description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 8
- 238000007920 subcutaneous administration Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 210000004883 areola Anatomy 0.000 description 5
- 210000000278 spinal cord Anatomy 0.000 description 4
- 238000002560 therapeutic procedure Methods 0.000 description 4
- 206010058019 Cancer Pain Diseases 0.000 description 3
- 206010028980 Neoplasm Diseases 0.000 description 3
- 230000003187 abdominal effect Effects 0.000 description 3
- 201000011510 cancer Diseases 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 206010067484 Adverse reaction Diseases 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000006838 adverse reaction Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- BQJCRHHNABKAKU-KBQPJGBKSA-N morphine Chemical compound O([C@H]1[C@H](C=C[C@H]23)O)C4=C5[C@@]12CCN(C)[C@@H]3CC5=CC=C4O BQJCRHHNABKAKU-KBQPJGBKSA-N 0.000 description 2
- 229940124636 opioid drug Drugs 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 208000030507 AIDS Diseases 0.000 description 1
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- 241001535291 Analges Species 0.000 description 1
- 206010002383 Angina Pectoris Diseases 0.000 description 1
- 206010007882 Cellulitis Diseases 0.000 description 1
- 208000000094 Chronic Pain Diseases 0.000 description 1
- 206010012335 Dependence Diseases 0.000 description 1
- 206010018852 Haematoma Diseases 0.000 description 1
- 102000003840 Opioid Receptors Human genes 0.000 description 1
- 108090000137 Opioid Receptors Proteins 0.000 description 1
- 239000008896 Opium Substances 0.000 description 1
- 206010067268 Post procedural infection Diseases 0.000 description 1
- 208000010513 Stupor Diseases 0.000 description 1
- 206010053692 Wound complication Diseases 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 208000008784 apnea Diseases 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 210000000748 cardiovascular system Anatomy 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000012377 drug delivery Methods 0.000 description 1
- 238000002692 epidural anesthesia Methods 0.000 description 1
- 230000000004 hemodynamic effect Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229960005181 morphine Drugs 0.000 description 1
- 208000004296 neuralgia Diseases 0.000 description 1
- 229960001027 opium Drugs 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 210000001034 respiratory center Anatomy 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 210000002460 smooth muscle Anatomy 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
- 210000000779 thoracic wall Anatomy 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses an embedded type analgesic pump, comprising a base (2); the base (2) is internally provided with a cavity, the lower end of a silicon gel cover component (3) is connected to the upper half part of the cavity in a seamless way, a conduit component (1) is communicated with the lower half part of the cavity, a groove (23) is arranged in the base (2) and is only communicated with the lower half part of the cavity. As anti-infection drugs can be put into the embedded type analgesic pump in advance when the analgesic pump is used, the infection probability of patients can be reduced.
Description
Technical field
This utility model relates to a kind of medical apparatus, particularly relates to a kind of embedded type analgesia pump.
Background technology
It is the various urgency of treatment of coming from the development of basis, epidural anesthesia analgesic in recent years that epidural-hypodermic tunnel is put pipe analgesia art, the new technique of chronic pain, at present existing international pharmaceuticals has developed epidural-subcutaneous embedded analgesia pump (abbreviation embedded type analgesia pump), this kind embedded type analgesia pump is mainly used in cancer patient's pain therapy, be a kind of ideal, the analgesia therapy scheme of innovation, the advantage that it has other analgesia methods to hardly match: (1) whole analgesia pump system adopts sealing device, avoid infection, be several months to one year the standing time of the epidural catheter that links to each other with analgesia pump; (2),, be combined into the pain nerve of direct retardance spinal cord with opiate receptor in the spinal cord, thereby produce analgesic effect through epidural space by this analgesia pump injection analgesic; Little, rapid-action, the longer duration of this kind route of administration dosage can significantly reduce narcosis analgesic to breathing, cardiovascular system incidence rate of adverse reaction; (3) in Cancer pain Therapy, for injection morphine, oral opium curative effect of medication is poor, side effect is big patient, adopt above-mentioned therapeutic scheme, still can reach good analgesic effect, and drug dose is little, side effect is little, avoid taking for a long time the addiction of opioid drug, had higher safety.
This kind embedded type analgesia pump comprises base, is provided with cavity in base, and this cavity is made up of big cavity and areola, big cavity be positioned at areola directly over; Because base generally is to be made by medical plastic, for medicine and the plastic feet that prevents the process cavity reacts, so the inwall of areola (being sidewall and bottom surface) should be made by metals such as rustless steels.The lower end of silica gel cap assemblies (being made by silica gel) seamlessly seals with whole big cavity and links to each other, and conduit tube component is connected with areola; The upper end of silica gel cap assemblies links to each other with annular loam cake.
The operation principle of embedded type analgesia pump is to select corresponding segments of spinal cord, epidural puncture, reach epidural space after, insert epidural catheter 2-3cm then; This epidural catheter, is connected with conduit tube component on the embedded type analgesia pump to abdominal part through the hypodermic tunnel of former point of puncture, form one with extraneously be isolated, airtight analgesia pump system
(1)Free of losses entry needle by special is injected directly into analgesic in the areola by the silica gel cap assemblies, and final analgesic flows out from the conduit tube component of analgesia pump, enters epidural space along epidural catheter then, plays the analgesic effect.
This type of implantable drug delivery system is external technical products newly developed, and the clinical practice time is short, and the correlational study report is very few both at home and abroad.Laleh Aram etc. are to the patient of 25 examples (1 day-36 years old age, 7 years old mean age) abdominal post-operation, wound or cancer pain, and it is big because of taking opioid drug weak curative effect or side effect, and require to prolong analgesia time; Therefore above-mentioned patient is implemented epidural-subcutaneous embedded pipe analgesia art of putting, stomach wall or thoracic wall before epidural catheter is opened on, 4-240 days standing time, clinical analgesia effect is good, the analgesic consumption significantly reduces, apnea suppresses obvious adverse reaction such as hemodynamics variation, does not also have epidural complication such as epidural infection, hematoma and takes place
(2)The clinical research of the long-term implantation epidural catheter of report such as Dupen, 350 examples are the adult patient of malignant tumor or AIDS pain, placed epidural catheter 457 days, wherein subcutaneous cellulitis takes place in 30 examples, 8 routine deep soft tissues infect, and 15 routine epidural spacies infect, and most of infection betides puts pipe about 190 days, all take the control of antibiotic postoperative infection, no death
(3)Domestic correlational study thinks, puts pipe injection analgesic through epidural-hypodermic tunnel and treats cancer pain, and analgesic effect is good, and dosage is little, to respiratory center, that smooth muscle suppresses degree is low, and adopts the tunnel to put pipe, can reduce the chance that epidural space infects
(4)
To sum up analyze, epidural-subcutaneous embedded this new technique of pipe analgesia art of putting has major application to be worth aspect pain therapy, and the pertinent literature report has been proved feasibility, safety and the superiority of this technology clinical practice.But look back from epidural-subcutaneous embedded research of putting pipe analgesia art, Chinese scholars research only is confined to epidural-subcutaneous embedded clinical practice of putting pipe analgesia art, lacks the research to this new technique perfect performance of analgesia pump system, technological improvement.Above-mentioned Dupen touches upon, and long-term embedding epidural catheter can cause the infection at epidural and other positions.
List of references:
1.Richter?A，Cederholm?I，Jonasson?L，et?al.Effect?of?thoracic?epidural?analgesia?onrefractory?angina?pectoris：long-term?home?self-treatment.J?Cardiothorac?Vasc?Anesth，2002，16：679-84.
2.Aram?L，Krane?EJ，Kozloski?LJ，et?al.Tunneled?epidural?catheters?for?prolonged?analgesiain?pediatric?patients.Anesth?Analg，2001，92：1432-8.
3.Dupen?SL，Peterson?DG，Williams?A，et?al.Infection?during?chronic?epiduralcatheterization：diagnosis?and?treatment.Anesthesiology，1990，73：905-9.
4. Yang Lin, Cha Rijun, Zhang Ailing. ache in late cancer epidural hypodermic tunnel is put the value of pipe analgesia art. Chinese clinical tumor and rehabilitation, 2003,10:275-6.
The utility model content
The technical problems to be solved in the utility model provides a kind of easy to use and can place anti-infective in advance, thereby reduces the embedded type analgesia pump that the patient infects probability.
In order to solve the problems of the technologies described above, this utility model provides a kind of embedded type analgesia pump, comprise base, in base, be provided with cavity, the lower end of silica gel cap assemblies seamlessly links to each other with the first half of cavity, conduit tube component is connected with the Lower Half of cavity, and groove is set in base, and groove only is connected with the Lower Half of cavity.
Improvement as embedded type analgesia pump of the present utility model: the upper end of silica gel cap assemblies links to each other with loam cake.
Further improvement as embedded type analgesia pump of the present utility model: cavity is circular cavity, and groove is a circular groove, and groove concentric ground is positioned at the periphery of cavity.
Further improvement as embedded type analgesia pump of the present utility model: cavity is made up of big circular cavity and small circular cavity, big circular cavity be positioned at the small circular cavity directly over; The lower end of silica gel cap assemblies seamlessly links to each other with big circular cavity, and conduit tube component is connected with the small circular cavity, and groove concentric ground is positioned at the periphery of small circular cavity; Be provided with through hole on the sidewall of small circular cavity, groove is connected with through hole.
Further improvement as embedded type analgesia pump of the present utility model: base is provided with fixing hole.
Embedded type analgesia pump of the present utility model owing to be provided with groove in base, therefore can be placed all kinds of spacetabs type medicines (for example spacetabs type anti-infective) in advance in this groove.During actual the use, medicinal liquid can slowly enter in the small circular cavity with after analgesic mixes and enter in patient's body, thereby has reduced the probability that the patient infects.Certainly, also can be according to actual needs, in groove, place required any can with the matching used medicine of analgesic.Embedded type analgesia pump of the present utility model, package unit all adopt the homemade parts of high-quality to form, and therefore have moderate advantage, and it is easy to use, anti-infection ability is strong, easilier promote in primary care and family.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail.
Fig. 1 is the three-dimensional decomposition texture sketch map of embedded type analgesia pump of the present utility model;
Fig. 2 is the cross-sectional schematic after Fig. 1 makes up;
Fig. 3 is the part sectioned view that A-A cuts open among Fig. 2.
The specific embodiment
Fig. 1, Fig. 2 and Fig. 3 are made up of conduit tube component 1, base 2, silica gel cap assemblies 3 and loam cake 4 in conjunction with having provided a kind of embedded type analgesia pump.
Be provided with circular cavity in base 2, this cavity is made up of big circular cavity 21 and small circular cavity 22, greatly circular cavity 21 be positioned at small circular cavity 22 directly over, the centrage overlaid of promptly big circular cavity 21 and small circular cavity 22.Also be provided with the groove 23 of 4 circular arcs on base 2, the groove 23 of this 4 circular arc has formed a circle of not sealing, and the center of circle of the center of circle that this is circular and small circular cavity 22 coincides.This groove 23 is that the interface from big circular cavity 21 and small circular cavity 22 begins to dig downwards to put, and base 2 is to be made by metals such as rustless steels except the sidewall and the bottom surface of small circular cavity 22, and make by medical plastic at all the other positions.
Silica gel cap assemblies 3 is formed by being big column 32 and the small column 31 that silica gel makes, small column 31 be positioned at big column 32 directly over; Big column 32 is placed in the big circular cavity 21.Because the diameter of big column 32 equals the diameter of big circular cavity 21; Therefore form between big column 32 and the big circular cavity 21 and seamlessly closely link to each other.At this moment, big column 32 has tightly covered small circular cavity 22 and groove 23; Play the medicinal liquid that prevents in the small circular cavity 22 and the effect of the medicinal liquids outflow in the groove 23, promptly make small circular cavity 22 form relative closed containers respectively with groove 23.
On base 2, be provided with fixing hole 24.
The actual use of embedded type analgesia pump of the present utility model is as follows: spacetabs type medicine (for example spacetabs type anti-infective) is placed in advance by manufacturer in groove 23 under aseptic condition; Carry out following installation according to existing mounting process then: silica gel cap assemblies 3 is put into base 2, and then build loam cake 4.The above-mentioned embedded type analgesia pump of having placed medicine is in advance selected corresponding segments of spinal cord, epidural puncture, reach epidural space after, insert epidural catheter 2-3cm; Epidural catheter be through former point of puncture hypodermic tunnel to abdominal part, be connected with conduit tube component on the embedded type analgesia pump.Embedded type analgesia pump of the present utility model utilizes fixing hole 24 to be fixed on subcutaneous abdomen effectively, thus become one with extraneous be isolated, airtight analgesia pump system.Entry needle directly is injected into analgesic in the small circular cavity 22 after passing the small column 31 and big column 32 of silica gel cap assemblies 3.Meanwhile, the anti-infective in the groove 23 also enters in the small circular cavity 22 by through hole 221; After two kinds of medicines mix, flow into epidural space by conduit tube component 1 and epidural catheter successively in small circular cavity 22.
At last, it is also to be noted that what more than enumerate only is a specific embodiment of the present utility model.Obviously, this utility model is not limited to above embodiment, and many distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive or associate from the disclosed content of this utility model all should be thought protection domain of the present utility model.
Claims (5)
1, a kind of embedded type analgesia pump, comprise base (2), in described base (2), be provided with cavity, the lower end of silica gel cap assemblies (3) seamlessly links to each other with the first half of described cavity, conduit tube component (1) is connected with the Lower Half of described cavity, it is characterized in that: groove (23) is set in described base (2), and described groove (23) only is connected with the Lower Half of cavity.
2, embedded type analgesia pump according to claim 1 is characterized in that: the upper end of described silica gel cap assemblies (3) links to each other with loam cake (4).
3, embedded type analgesia pump according to claim 1 and 2 is characterized in that: described cavity is circular cavity, and described groove (23) is a circular groove, and described groove (23) concentric ground is positioned at the periphery of cavity.
4, embedded type analgesia pump according to claim 3 is characterized in that: described cavity is made up of big circular cavity (21) and small circular cavity (22), big circular cavity (21) be positioned at small circular cavity (22) directly over; The lower end of silica gel cap assemblies (3) seamlessly links to each other with big circular cavity (21), and conduit tube component (1) is connected with small circular cavity (22), and groove (23) concentric ground is positioned at the periphery of small circular cavity (22); Be provided with through hole (221) on the sidewall of small circular cavity (22), described groove (23) is connected with through hole (221).
5, embedded type analgesia pump according to claim 4 is characterized in that: described base (2) is provided with fixing hole (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200845474U CN201168317Y (en) | 2008-03-24 | 2008-03-24 | Embedded type pump for easing pain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200845474U CN201168317Y (en) | 2008-03-24 | 2008-03-24 | Embedded type pump for easing pain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201168317Y true CN201168317Y (en) | 2008-12-24 |
Family
ID=40207371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200845474U Expired - Fee Related CN201168317Y (en) | 2008-03-24 | 2008-03-24 | Embedded type pump for easing pain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201168317Y (en) |
-
2008
- 2008-03-24 CN CNU2008200845474U patent/CN201168317Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081224 Termination date: 20100324 |