CN204951922U - Device is put into for a long time to cavum subarachnoidale - Google Patents
Device is put into for a long time to cavum subarachnoidale Download PDFInfo
- Publication number
- CN204951922U CN204951922U CN201520430080.4U CN201520430080U CN204951922U CN 204951922 U CN204951922 U CN 204951922U CN 201520430080 U CN201520430080 U CN 201520430080U CN 204951922 U CN204951922 U CN 204951922U
- Authority
- CN
- China
- Prior art keywords
- rubber
- receiving terminal
- lancet
- conduit
- embedded device
- 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
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a device is put into for a long time to cavum subarachnoidale, include the pipe that send the medicine to the cavum subarachnoidale, the pipe has the receiving terminal of receiving the medicine, the receiving terminal is through with injection apparatus intercommunication and receive the medicine, its characterized in that, it still includes adapting unit and rubber piercing part spare to put into the device for a long time, rubber piercing part spare sets up to plugging up the port of receiving terminal, and inject the apparatus and can pass rubber piercing part spare and with the receiving terminal intercommunication, adapting unit set up into the pipe with jam -packed between the rubber piercing part spare to make the two relatively fixed. The utility model provides a put into the device receiving terminal of holding pipe suitably, this kind of holding not only is favorable to the experimental injection of repetitiou, and does not increase the infection risk to can also make the receiving terminal of pipe be in encapsulated situation steadily when not performing the operation, thereby perform the operation smoothly.
Description
Technical field
This utility model relates to subarachnoid space paracentesis technical field, particularly relates to the long-term embedded device of subarachnoid space.
Background technology
It is clinical that subarachnoid space paracentesis are common in modern medicine, and utilize conduit to penetrate skin, subcutaneous tissue, supraspinal ligament etc., finally puncture arachnoidea, and medicine etc. is sent into subarachnoid space, thus perform the operation to subarachnoid space, treat.
Similarly, also common clinically subarachnoid space operation test being carried out to rat, thus by testing the many-side such as medication, disposal, abundant clinical data can be obtained.Carrying out rat in subarachnoid space operation process of the test, need to be equipped with long-term embedded device, it mainly comprises the conduit of drug delivery, and makes it be placed in rat body for a long time, conductive pipe drug delivery when needed, thus the test data needed for obtaining.
Modern medicine has carried out in many ways improving to this long-term embedded device, and common this long-term embedded device directly spreads out of outside large Corium Mus at puncture position, or after subcutaneous rat moves under water rat pillow between ears after pass, and to fix immediately.Some technical staff also invented a kind of device protected the outer section (being positioned at the pipeline section outside large Corium Mus) of catheter body, and this device is made of metal, and outside the end covering on external section of conduit, and sew up and are fixed on the Mus body of rat.For the end of external section of conduit, it is the entrance receiving external drug, and each test all needs by this end to injection in rat body.Prior art adopts heating duct end, makes the mode that its heat is melted realize sealing.
Like this, during every secondary injectable drug, need conduit to shift out above-mentioned protector, and the end of sealing is wiped out, expose the tube chamber of the hollow of conduit, more internally injection; Heat complete after, repeat heating operation, make the described end seal of conduit.Further, protector is made of metal, and rat needs to bear larger weight, and after being sewn on Mus body, also can cause the discomfort of rat, and rat just consciously baits this device, thus the carrying out of impact test.
Visible, this long-term embedded device complex operation of the prior art, each injection all needs to wipe out operation to conduit, and injection complete after also need to reheat conduit, reduce test efficiency, for experimenter increases burden; Meanwhile, in the process of conduit being wiped out and heat, also add the infection probability to rat, thus serious experiment abberation may be caused.
Therefore, how to provide a kind of subarachnoid space long-term embedded device, can the end of the outer section of accommodating catheter body suitably, the outer body of conduit is made stably to be in sealing state when not performing the operation, and be conducive to repeatedly repetition test injection, and do not increase infection risk thus successfully perform the operation.
Utility model content
The purpose of this utility model is to provide a kind of subarachnoid space long-term embedded device, comprise the conduit to subarachnoid space drug delivery, described conduit has the receiving terminal receiving medicine, described receiving terminal receives medicine by being communicated with injecting apparatus, it is characterized in that, described long-term embedded device also comprises link and rubber lancet and means, described rubber lancet and means is set to the port blocking described receiving terminal, and injecting apparatus can be communicated with described receiving terminal through described rubber lancet and means, described link is set to jam-packed between described conduit and described rubber lancet and means, to make the two relatively fixing.
Preferably, described rubber lancet and means has accommodating cavity, described accommodating cavity has medial wall and interior diapire, described receiving terminal is contained in described accommodating cavity, and the interior diapire of the port of described receiving terminal and described accommodating cavity pushes against and is plugged, described link is arranged between described receiving terminal and the medial wall of described accommodating cavity and the relative described rubber lancet and means of described conduit is fixed.
Preferably, described link is connection tube, and described conduit, described connection tube are nested successively with described rubber packing element, and to make described receiving terminal be fixed tightly in described connection tube, and described connection tube is fixed tightly in described accommodating cavity.
Preferably, described connection tube comprises the outer portion part stretching out described accommodating cavity in its axial direction.
Preferably, described connection tube comprises the inner section being positioned at described accommodating cavity, and described outer portion part and described inner section are between 1:0.8 to 1:2 at the lenth ratio axially of described connection tube.
Preferably, described outer portion part and described inner section are 1:1 at the lenth ratio axially of described conduit.
Preferably, described rubber lancet and means is roughly tubular.
Preferably, described rubber lancet and means is the rubber stopper for 1ml syringe.
Preferably, between described link and described rubber lancet and means, and resin glue is applied with between described link and described conduit.
Preferably, described connection tube is polyethylene infusion tube.
First, this embedded device realizes the sealing of the receiving terminal of conduit by following means, namely the port of receiving terminal is blocked by rubber lancet and means, because rubber has good elasticity, thus it has good deformability, and when blocking port and extruding with port simultaneously, it naturally deforms and blocks the gap that port is in communication with the outside, thus receiving terminal is sealed, this sealing is very reliable and safety.
Secondly, by above to the description of embedded device, it penetrates rubber lancet and means by injecting apparatus and is communicated with conduit, thus realizes drug delivery.Due to the physicochemical properties of rubber, injecting apparatus punctures after also drug delivery, extract, the now elastic deformation of rubber makes up the hole that puncture is formed naturally, thus need not extra process be implemented, just repetitious puncture can be adapted to, namely repeatedly injection can be implemented while not making conduit leave rubber lancet and means.
In addition, link is jam-packed between rubber lancet and means and receiving terminal, for limiting the relative motion of receiving terminal relative to rubber lancet and means, both stably connecting, guarantee that the relative position of the port of rubber lancet and means and conduit significant change does not occur in operation process, stablize with the sealing do not affected therebetween.At this, concrete restriction is not done, as long as it can make corresponding conduit and rubber lancet and means match to the size, shape etc. of link.This have also been enlarged the scope of application of conduit and rubber lancet and means, and namely the two is relative to connection tube can be relied on to regulate.
Therefore, the embedded device that this utility model provides can the receiving terminal of accommodating conduit suitably, thisly accommodatingly not only be conducive to repeatedly repetition test injection, and do not increase infection risk, and the receiving terminal of conduit can be made stably to be in sealing state when not performing the operation, thus successfully perform the operation.
Accompanying drawing explanation
The schematic diagram of a kind of embodiment of the long-term embedded device of subarachnoid space that Fig. 1 provides for this utility model;
The schematic diagram of the another embodiment of the long-term embedded device of subarachnoid space that Fig. 2 provides for this practical utility model, illustrates that it is applied to surgical object.
Reference numeral corresponding in accompanying drawing:
Conduit 1, connection tube 2, inner section 21, outer portion part 22, rubber lancet and means 3, medial wall 31, interior diapire 32, silk thread 5, subarachnoid space 100.
Detailed description of the invention
The percutaneous trachea puncture distraction forcep claimed to this utility model below in conjunction with the drawings and specific embodiments is described in detail.Obviously, following embodiment is only a part of embodiment of the present utility model, and and the embodiment of not all.Based on following embodiment, those skilled in the art do not pay the basis of creative work is made improvement, change all fall into protection domain of the present utility model.
Please refer to Fig. 1 and Fig. 2, the schematic diagram of a kind of embodiment of the long-term embedded device of subarachnoid space that Fig. 1 provides for this utility model; The another embodiment of the long-term embedded device of subarachnoid space that Fig. 2 provides for this practical utility model is applied to the schematic diagram of surgical object.
As shown in Figures 1 and 2, this utility model provides a kind of subarachnoid space long-term embedded device, it comprises the conduit 1 to subarachnoid space 100 drug delivery, conduit 1 has receiving terminal and dispensing end, receiving terminal relative injection end is more away from surgical object, and receiving terminal accepts medicine by being communicated with injecting apparatus, afterwards, medicine flows to dispensing end from receiving terminal through conduit 1, finally enters the arachnoidea lower end of surgical object.This long-term embedded device also comprises link and rubber lancet and means 3, rubber lancet and means 3 is set to the port blocking described receiving terminal, and injecting apparatus can be communicated with the receiving terminal of conduit 1 through rubber lancet and means 3, link is set to jam-packed between the receiving terminal and rubber lancet and means 3 of conduit 1, thus makes the two relatively fixing.
First, this embedded device realizes the sealing of the receiving terminal of conduit 1 by following means, namely the port of receiving terminal is blocked by rubber lancet and means 3, because rubber has good elasticity, thus it has good deformability, and when blocking port and extruding with port simultaneously, it naturally deforms and blocks the gap that port is in communication with the outside, thus receiving terminal is sealed, this sealing is very reliable and safety.
Secondly, by above to the description of embedded device, it penetrates rubber lancet and means 3 by injecting apparatus and is communicated with conduit 1, thus realizes drug delivery.Due to the physicochemical properties of rubber, injecting apparatus punctures after also drug delivery, extract, the now elastic deformation of rubber makes up the hole that puncture is formed naturally, thus need not extra process be implemented, just repetitious puncture can be adapted to, namely repeatedly injection can be implemented while not making conduit 1 leave rubber lancet and means 3.
In addition, link is jam-packed between rubber lancet and means 3 and receiving terminal, for limiting the relative motion of receiving terminal relative to rubber lancet and means 3, both stably connecting, guarantee that rubber lancet and means 3 significant change does not occur with the relative position of the port of conduit 1 in operation process, stablize with the sealing do not affected therebetween.At this, concrete restriction is not done, as long as it can make corresponding conduit 1 and rubber lancet and means 3 match to the size, shape etc. of link.This have also been enlarged the scope of application of conduit 1 and rubber lancet and means 3, and namely the two is relative to connection tube 2 can be relied on to regulate.
Therefore, the embedded device that this utility model provides can the receiving terminal of accommodating conduit 1 suitably, thisly accommodatingly not only be conducive to repeatedly repetition test injection, and do not increase infection risk, and the receiving terminal of conduit 1 can be made stably to be in sealing state when not performing the operation, thus successfully perform the operation.
In further scheme, rubber lancet and means 3 is rubber puncture capsule, it has accommodating cavity, this accommodating cavity has medial wall 31 and interior diapire 32, receiving terminal is contained in described accommodating cavity, and the interior diapire 32 of the port of described receiving terminal and described accommodating cavity pushes against, thus blocked by interior diapire 32, described link is arranged between described receiving terminal and the medial wall 31 of described accommodating cavity and the relative described rubber lancet and means 3 of described conduit 1 is fixed.
This embedded device adopts rubber lancet and means 3 to be wrapped in the form of conduit 1 and connection tube 2 outside, on the one hand, the receiving terminal of conduit 1 is not exposed to outside, the receiving terminal of rubber lancet and means 3 pairs of conduits 1 produces good protection, on the other hand, when embedded device being imbedded surgical object and being subcutaneous, the body fluid of surgical object also can not have an impact to operation, reason is before body fluid infiltrates conduit 1, need first through the contact length of one section of conduit 1 with rubber lancet and means 3, port can be arrived afterwards, thus increase the difficulty that body fluid is mixed into conduit 1, and it is subcutaneous embedded device to be embedded in surgical object, effectively can extend the replacement cycle of embedded device, be conducive to good operation.
Certainly, if be not embedded in the subcutaneous of surgical object, the epidermis of silk thread and surgical object also can be adopted to fix, rubber lancet and means 3 place and the conduit 1 of fixing embedded device respectively stretch out epidermis place.
Certainly, rubber lancet and means 3 can be also rubbery stopper, and it fills in the receiving terminal of conduit 1, now link should between the inner tubal wall of conduit 1 and rubbery stopper, but the general bore of conduit 1 is less, rubbery stopper needs to process less, thus may increase difficulty of processing.
Further, link is connection tube 2, and described conduit 1, described connection tube 2 are nested successively with described rubber packing element, and to make described receiving terminal be fixed tightly in described connection tube 2, and described connection tube 2 is fixed tightly in described accommodating cavity.
So apply to tighten up power uniformly to conduit 1 and rubber lancet and means 3, be conducive to raising and tighten up performance.Certainly, link also can be multiple chock, and individual chock is arranged between the medial wall 31 of receiving terminal and rubber lancet and means 3 equably.
Connection tube 2 can also stretch out outside accommodating cavity in its axial direction, thus has outer portion part 22, and connection tube 2 part be positioned within accommodating cavity is called inner section 21.Should be appreciated that " outward " " interior " described herein is for accommodating cavity, and no matter be inner section 21 or outer portion part 22, be all positioned at surgical object external.
Owing to having outer portion part 22, connection tube 2 also can to the supporting role to a certain extent of 1, conduit, thus avoid conduit 1 due to too soft outside accommodating cavity, and when being subject to external interference, too rocks outside rubber lancet and means 3.
Further, above-mentioned inner section 21 and outer portion part 22 are between 1:0.8 to 1:2 at connection tube 2 length ratio axially.Within the scope of this, connection tube 2 is played a supporting role to conduit 1 the most rightly, may shake together if outer portion part 22 is long with conduit 1, is unfavorable for the stable of conduit 1 on the contrary, if the too short support effect that may play of outer portion part 22 is poor.
Above-mentioned lenth ratio is 1:1 more electedly, and namely connection tube 2 half is in the outside of rubber lancet and means 3, and half is in the inside of rubber lancet and means 3, and now, the support effect of connection tube 2 pairs of conduits 1 is best.
Rubber lancet and means 3 in above-mentioned each embodiment is roughly tubular, and namely it preferably has comparatively homogeneous external diameter, like this, can more successfully be applied to surgical object subcutaneous, conveniently inserts and remove.Certainly, also can for having comparatively irregular exterior contour.
In order to obtain sealing effectiveness more reliably, between link and rubber lancet and means 3, and resin glue can also be applied between link and conduit 1.
For above-mentioned each embodiment, rubber lancet and means 3 can also take from the rubber stopper of 1ml syringe, its internal diameter and length specifically can be defined as 2mm and 5mm, and, connection tube 2 takes from polyethylene infusion tube, and its length can be defined as 1cm, and these materials are commercially comparatively common, acquisition difficulty is low, is conducive to the human cost and the Financial cost that reduce embedded device.
Above a kind of percutaneous trachea puncture distraction forcep that this utility model provides is described in detail, to those skilled in the art, according to thought of the present utility model, all can make a change in detailed description of the invention and range of application part, in sum, this description should not be understood to restriction of the present utility model.
Claims (10)
1. the long-term embedded device of subarachnoid space, comprise the conduit (1) to subarachnoid space (100) drug delivery, described conduit (1) has the receiving terminal receiving medicine, described receiving terminal receives medicine by being communicated with injecting apparatus, it is characterized in that, described long-term embedded device also comprises link and rubber lancet and means (3), described rubber lancet and means (3) is set to the port blocking described receiving terminal, and injecting apparatus can be communicated with described receiving terminal through described rubber lancet and means (3), described link is set to jam-packed between described conduit (1) and described rubber lancet and means (3), to make the two relatively fixing.
2. the long-term embedded device of subarachnoid space as claimed in claim 1, it is characterized in that, described rubber lancet and means (3) has accommodating cavity, described accommodating cavity has medial wall (31) and interior diapire (32), described receiving terminal is contained in described accommodating cavity, and the interior diapire (32) of the port of described receiving terminal and described accommodating cavity pushes against and is plugged, described link is arranged between described receiving terminal and the medial wall (31) of described accommodating cavity and makes the relative described rubber lancet and means (3) of described conduit (1) fixing.
3. the long-term embedded device of subarachnoid space as claimed in claim 2, it is characterized in that, described link is connection tube (2), described conduit (1), described connection tube (2) are nested successively with described rubber packing element, to make described receiving terminal be fixed tightly in described connection tube (2), and described connection tube (2) is fixed tightly in described accommodating cavity.
4. the long-term embedded device of subarachnoid space as claimed in claim 3, it is characterized in that, described connection tube (2) comprises the outer portion part (22) stretching out described accommodating cavity in its axial direction.
5. the long-term embedded device of subarachnoid space as claimed in claim 4, it is characterized in that, described connection tube (2) comprises the inner section (21) being positioned at described accommodating cavity, and described outer portion part (22) and described inner section (21) are between 1:0.8 to 1:2 at the lenth ratio axially of described connection tube (2).
6. the long-term embedded device of subarachnoid space as claimed in claim 5, is characterized in that, described outer portion part (22) and described inner section (21) are 1:1 at the lenth ratio axially of described conduit (1).
7. the long-term embedded device of the subarachnoid space as described in any one of claim 1-6, is characterized in that, described rubber lancet and means (3) is roughly tubular.
8. the long-term embedded device of subarachnoid space as claimed in claim 7, it is characterized in that, described rubber lancet and means (3) is the rubber stopper for 1ml syringe.
9. the long-term embedded device of the subarachnoid space as described in any one of claim 1-6, it is characterized in that, between described link and described rubber lancet and means (3), and be applied with resin glue between described link and described conduit (1).
10. the long-term embedded device of the subarachnoid space as described in any one of claim 3-6, is characterized in that, described connection tube (2) is polyethylene infusion tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520430080.4U CN204951922U (en) | 2015-06-19 | 2015-06-19 | Device is put into for a long time to cavum subarachnoidale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520430080.4U CN204951922U (en) | 2015-06-19 | 2015-06-19 | Device is put into for a long time to cavum subarachnoidale |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204951922U true CN204951922U (en) | 2016-01-13 |
Family
ID=55047023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520430080.4U Expired - Fee Related CN204951922U (en) | 2015-06-19 | 2015-06-19 | Device is put into for a long time to cavum subarachnoidale |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204951922U (en) |
-
2015
- 2015-06-19 CN CN201520430080.4U patent/CN204951922U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205698894U (en) | Disinfection cap | |
| CN204951922U (en) | Device is put into for a long time to cavum subarachnoidale | |
| CN205252290U (en) | Two sacculus liquid receiver | |
| CN207400976U (en) | A kind of syringe that can reduce drug waste | |
| CN203539854U (en) | Airbag type fascia expansion tube | |
| CN203989399U (en) | Poriferous circular venous duct and puncture bag | |
| MX2018003265A (en) | Adapter, process and use for instillation of agents into the bladder through the urethra without catheter. | |
| CN202446639U (en) | PICC (Peripherally Inserted Central Catheter) backflow-resistant puncture needle | |
| CN201061638Y (en) | Non-needle enclosed transfusion joint | |
| CN207356353U (en) | A kind of GI Medicine stomach inner wall brace type drug delivery device | |
| CN204017111U (en) | Multi-cavity drainage from indwelling irrigating catheter device | |
| CN107929885A (en) | A kind of injection of insulin syringe needle of closed protective | |
| CN208693934U (en) | A kind of oncology syringe | |
| CN208176585U (en) | Internal radio frequency hemostasis device | |
| CN208492245U (en) | A kind of noninvasive lumbar puncture needle | |
| CN201115741Y (en) | Chest abdominal cavity puncturing tool | |
| CN202654515U (en) | Medicine injector for urethral anesthesia integrating anesthesia and expansion | |
| CN208389163U (en) | Multi-cavity catheter | |
| CN207101297U (en) | Endoscope with medicine injection tube | |
| CN217612304U (en) | Insulin injection device | |
| CN205598345U (en) | Special transfusion needle of puncture formula connecting piece | |
| CN202426626U (en) | Semen storage type cervical cap | |
| CN215608266U (en) | Simple needle-protecting head type scalp needle | |
| CN102397132A (en) | Eardrum puncture needle | |
| CN207412470U (en) | A kind of binary channels beauty injector for medical purpose |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20190619 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |