CN209059173U - Medical pH electrode catheter - Google Patents
Medical pH electrode catheter Download PDFInfo
- Publication number
- CN209059173U CN209059173U CN201821049185.5U CN201821049185U CN209059173U CN 209059173 U CN209059173 U CN 209059173U CN 201821049185 U CN201821049185 U CN 201821049185U CN 209059173 U CN209059173 U CN 209059173U
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- China
- Prior art keywords
- electrode
- shell
- conductive contact
- medical
- connector
- 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.)
- Withdrawn - After Issue
Links
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000012085 test solution Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 229910052787 antimony Inorganic materials 0.000 description 3
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000005660 chlorination reaction Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 229910021607 Silver chloride Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001550 time effect Effects 0.000 description 1
Abstract
The utility model provides a kind of medical pH electrode catheter, belongs to the field of medical instrument technology.It solves in existing pH electrode catheter that reference electrode cannot be dismantled with catheter body, will lead to whole the problem of scrapping, resulting in waste of resources after reference electrode damage.This medical pH electrode catheter, the catheter body of conducting wire and reference electrode set on catheter body front end are installed with including inside, reference electrode includes rear end and the shell that catheter body is detachably connected, cavity in shell with front end aperture, back-end closure, it is equipped with electrode body in cavity, the connection structure for being electrically connected conducting wire with electrode body is equipped between shell and catheter body.The utility model has many advantages, such as that Ke Kuaisugenghuan reference electrode, stable connection be reliable, good airproof performance, is effectively saved resource.
Description
Technical field
The utility model belongs to the field of medical instrument technology, is related to a kind of medical pH electrode catheter.
Background technique
PH electrode catheter mainly for detection of human stomach-esophagus pH value, on pH electrode catheter equipped with reference electrode and
Indicator electrode, reference electrode often use Ag-AgCl reference electrode, and indicator electrode is often made with purity of 99.99% antimony metal.pH
Reference electrode and indicator electrode can be all consumed electrode catheter in the detection process, but the depletion rate of reference electrode is far longer than
The depletion rate of indicator electrode, so the useful life of reference electrode is much smaller than the service life of indicator electrode in use
Life.
A kind of new medical pH electrode catheter [application publication number CN107752983A] disclosed in Chinese patent, including lead
Pipe is equipped with reference electrode in the front end of conduit, and reference electrode is adhesively fixed by being built in conduit or with glue sealing to leading
Guan Shang, after glue solidification, reference electrode and conduit are closely bonded integrally, non-dismountable.It has the following problems: due to reference
Electrode is non-dismountable, and when the life consumption of reference electrode is complete, conduit is not just available yet, and leads to the waste of resource；It is producing
In the process, when reference electrode is bad, it is bad to directly result in conduit, influences production efficiency.
Summary of the invention
The purpose of this utility model is the presence of the above problem in view of the prior art, and proposing a kind of reference electrode can be quick
The medical pH electrode catheter of replacement.
The purpose of this utility model can be realized by the following technical scheme:
Medical pH electrode catheter is installed with the catheter body of conducting wire including inside and set on the reference electricity of catheter body front end
Pole, which is characterized in that the reference electrode includes rear end and the shell that catheter body is detachably connected, tool in the shell
There is the cavity of front end aperture, back-end closure, is equipped with electrode body in the cavity, is set between the shell and catheter body
There is the connection structure for being electrically connected conducting wire with electrode body.
Indicator electrode is set in the side of medical pH electrode catheter, which is made of antimony metal.By reference electrode
It is protruded into test solution with indicator electrode, for detecting hydrogen ion concentration in test solution and being converted into available output letter accordingly
Number.Liquid is contacted by the aperture of housing forward end with electrode body, and liquid not can enter catheter body, shell and conduit it
Between be necessary to ensure that reliable leakproofness.Wherein, electrode body is chlorination filamentary silver.
In above-mentioned medical pH electrode catheter, the front end of the catheter body is equipped with connector, tool in the connector
Have shrinkage pool and a through-hole set on shrinkage pool bottom, the front end of the conducting wire is protruded into shrinkage pool after passing through through-hole, the shell with
Connector is detachably connected, and the connection structure is between connector and shell.In order to realize catheter body and connector
Quick connection, be equipped with interconnecting piece in the rear end of connector, catheter body is inserted on interconnecting piece by when connection.To prevent it de-
It falls, catheter body and interconnecting piece can be connected in such a way that glue is bonded or lantern ring is locked.
In above-mentioned medical pH electrode catheter, the connection structure includes the conductive contact pin for being set to housing rear end, sets
In conductive contact and elastic component in shrinkage pool, the electrode body is fixed on conductive contact pin, the conducting wire and conductive touching
Head connection, conductive contact is resisted against on conductive contact pin under the elastic force effect of the elastic component.Conductive contact pin is by conductive hard
Matter metal material is made, and conductive contact is made of an electrically conducting material, and elastic component is located in shrinkage pool, and rear end is resisted against the bottom of shrinkage pool,
Its front end is resisted against on conductive contact, and conductive contact is resisted against on conductive contact pin always under the elastic force effect of elastic component.Due to
The setting of elastic component, it is ensured that after reference electrode installation, the reliable contacts of conductive contact pin and conductive contact.
In above-mentioned medical pH electrode catheter, the elastic component is spring.In order to not make spring during the motion not
Conducting wire can be impacted, conducting wire is threaded through in spring.Elastic component is not limited to spring, can also be such as silica gel, rubber
Elastomer, the elastomer of silica gel, rubber is made it is hollow cylindric, conducting wire is threaded through in.
In above-mentioned medical pH electrode catheter, the front end of the conductive contact is recessed with being oppositely arranged with conductive contact pin
Mouthful.Recess is in horn-like, and the rear end of conductive contact pin has the tapering being arranged with horn-like mating recesses, when installing reference electrode
Guiding function can be played to conductive contact pin, can accurately enter in recess, ensure that the installation accuracy of conductive contact pin.
In above-mentioned medical pH electrode catheter, the rear end of the shell is equipped with external screw thread, and the front end of the shrinkage pool has
Internal screw thread, the external screw thread and screw-internal thread fit are arranged, and seal assembly is equipped between the shell and connector.
In above-mentioned medical pH electrode catheter, the externally threaded root is oppositely arranged with the front end with connector
Ring-shaped step one, the seal assembly include set on the Gask-O-Seal one between connector front end and ring-shaped step one.When
When internal screw thread is connect with external screw thread, Gask-O-Seal one is pressed in the front end of ring-shaped step one and connector, plays sealing and makees
With.
In above-mentioned medical pH electrode catheter, the root of the internal screw thread has the ring being oppositely arranged with the rear end of shell
Shape step two, the seal assembly further include set on the Gask-O-Seal two between housing rear end and ring-shaped step two.
There is the limit for blocking cavity rear end in above-mentioned medical pH electrode catheter, on the conductive contact pin
Ring, the outer diameter of the stop collar are greater than the internal diameter of ring-shaped step two, and the Gask-O-Seal two is located at stop collar and annular table
Between rank two.When internal screw thread is connect with external screw thread, Gask-O-Seal two is pressed between ring-shaped step two and stop collar, together
When to stop collar generate squeezing action, so that stop collar is blocked the rear end of cavity.
It when installation, protrudes into shrinkage pool, is connect after passing through spring with conductive contact, conducting wire can limit after conducting wire is passed through through-hole
The position of conductive contact prevents from falling off out of shrinkage pool, and connector and catheter body are connected into an entirety；Conductive contact pin is filled
Enter and form reference electrode into shell, it is ensured that electrode body protrudes into cavity and ensures that stop collar blocks the rear end of cavity；In annular
Gask-O-Seal one is set on step one, Gask-O-Seal two is set on ring-shaped step two；Shell and connector screw thread are connected
After being connected to position, conductive contact pin is resisted against on conductive contact, and Gask-O-Seal one and Gask-O-Seal two play dual-seal at this time
Effect.Need to only the reference electrode to break down be backed out and be replaced after use when the reference electrode service life in test or use process
New reference electrode can be used continuously.
Compared with prior art, this medical pH electrode catheter has the advantage that
Reference electrode is removably connected in the fitting body connecting with catheter body, connection and convenient disassembly, convenient for pair
The reference electrode damaged is replaced, and resource is effectively saved；Due to the setting of spring, it is ensured that conductive contact pin and conductive touching
The good contact of head；The Gask-O-Seal one of setting and Gask-O-Seal two play double sealing effect, prevent test solution into
Enter, detection accuracy can be effectively improved.
Detailed description of the invention
Fig. 1 is the perspective view of the explosion of preferred embodiment provided by the utility model.
Fig. 2 is cross-sectional view when medical pH electrode catheter provided by the utility model is unassembled.
Fig. 3 is medical pH electrode catheter cross-sectional view when assembled provided by the utility model.
In figure, 1, conducting wire；2, catheter body；3, reference electrode；31, shell；32, cavity；33, electrode body；34, conductive
Contact pilotage；35, tapering；36, external screw thread；37, ring-shaped step one；38, stop collar；4, connector；41, shrinkage pool；42, through-hole；43, even
Socket part；44, internal screw thread；45, ring-shaped step two；51, conductive contact；52, spring；53, recess；61, Gask-O-Seal one；62,
Gask-O-Seal two.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
This medical pH electrode catheter is installed with the catheter body 2 of conducting wire 1 and ginseng set on 2 front end of catheter body including inside
Than electrode 3, as shown in Figures 2 and 3, reference electrode 3 includes rear end and the shell 31 that catheter body 2 is detachably connected, shell 31
The interior cavity 32 with front end aperture, back-end closure, cavity 32 is interior to be equipped with electrode body 33, between shell 31 and catheter body 2
Equipped with the connection structure for being electrically connected conducting wire 1 with electrode body 33.In the side of medical pH electrode catheter setting instruction electricity
Pole, the indicator electrode are made of antimony metal.Reference electrode 3 and indicator electrode are protruded into test solution, for detecting test solution
Middle hydrogen ion concentration is simultaneously converted into corresponding usable output signal.Liquid is connect by the aperture of 31 front end of shell with electrode body 33
Touching, and liquid not can enter catheter body 2, and reliable leakproofness is necessary to ensure that between shell 31 and conduit.
In the present embodiment, electrode body 33 is chlorination filamentary silver.
As shown in Figure 1, the front end of catheter body 2 is equipped with connector 4, as shown in Figures 2 and 3, there is shrinkage pool in connector 4
41 and the through-hole 42 set on 41 bottom of shrinkage pool, the front end of conducting wire 1 is protruded into shrinkage pool 41 after passing through through-hole 42, shell 31 with connect
Body 4 is detachably connected, and connection structure is between connector 4 and shell 31.In order to realize the fast of catheter body 2 and connector 4
Speed connection is equipped with interconnecting piece 43 in the rear end of connector 4, as shown in Figures 2 and 3, catheter body 2 is inserted in interconnecting piece when connection
On 43.To prevent it from falling off, catheter body 2 and interconnecting piece 43 can be connected in such a way that glue is bonded or lantern ring is locked.
As shown in Figures 2 and 3, connection structure includes set on the conductive contact pin 34 of 31 rear end of shell, in shrinkage pool 41
Conductive contact 51 and elastic component, electrode body 33 are fixed on conductive contact pin 34, and conducting wire 1 is connect with conductive contact 51, in elasticity
The elastic force of part acts on lower conductive contact 51 and is resisted against on conductive contact pin 34.Conductive contact pin 34 is by conductive hard metal material system
At conductive contact 51 is made of an electrically conducting material, and elastic component is located in shrinkage pool 41, and rear end is resisted against the bottom of shrinkage pool 41, front end
It is resisted against on conductive contact 51, conductive contact 51 is resisted against always on conductive contact pin 34 under the elastic force effect of elastic component.Due to
The setting of elastic component, it is ensured that after reference electrode 3 is installed, the reliable contacts of conductive contact pin 34 and conductive contact 51.
As shown in Fig. 2, elastic component is spring 52, conducting wire 1 will not be impacted to make spring 52 during the motion,
As shown in figure 3, conducting wire 1 is threaded through in spring 52.
As shown in Fig. 2, having the recess 53 being oppositely arranged with conductive contact pin 34 in the front end of conductive contact 51, recess 53 is in
Horn-like, the rear end of conductive contact pin 34 has the tapering 35 being equipped with horn-like recess 53, can when installing reference electrode 3
Guiding function is risen to conductive contact pin 34, can accurately enter in recess 53, ensure that the installation accuracy of conductive contact pin 34.
As shown in Fig. 2, the rear end of shell 31 is equipped with external screw thread 36, the front end of shrinkage pool 41 has internal screw thread 44, external screw thread 36
It is equipped with internal screw thread 44, seal assembly is equipped between shell 31 and connector 4.
As shown in Fig. 2, the root of external screw thread 36 has the ring-shaped step 1 being oppositely arranged with the front end of connector 4, it is close
Sealing assembly includes set on the Gask-O-Seal 1 between 4 front end of connector and ring-shaped step 1, when internal screw thread 44 and outer spiral shell
When line 36 connects, Gask-O-Seal 1 is pressed in the front end of ring-shaped step 1 and connector 4, plays sealing function.
As shown in Fig. 2, the root of internal screw thread 44 has the ring-shaped step 2 45 being oppositely arranged with the rear end of shell 31, sealing
Component further includes set on the Gask-O-Seal 2 62 between 31 rear end of shell and ring-shaped step 2 45.
As shown in Figure 1, having the stop collar 38 for blocking 32 rear end of cavity, the outer diameter of stop collar 38 on conductive contact pin 34
Greater than the internal diameter of ring-shaped step 2 45, Gask-O-Seal 2 62 is between stop collar 38 and ring-shaped step 2 45.Work as internal screw thread
44 with external screw thread 36 when connecting, and Gask-O-Seal 2 62 is pressed between ring-shaped step 2 45 and stop collar 38, while to limit
Position ring 38 generates squeezing action, and stop collar 38 is made to block the rear end of cavity 32.
It when installation, protrudes into shrinkage pool 41 after conducting wire 1 is passed through through-hole 42, is connect after passing through spring 52 with conductive contact 51,
Conducting wire 1 can limit the position of conductive contact 51, prevent from falling off out of shrinkage pool 41, and connector 4 and catheter body 2 are connected into one
It is whole；Conductive contact pin 34 is encased in formation reference electrode 3 in shell 31, it is ensured that electrode body 33 protrudes into cavity 32 and ensures to limit
Position ring 38 blocks the rear end of cavity 32；Gask-O-Seal 1 is set on ring-shaped step 1, is set on ring-shaped step 2 45
Set Gask-O-Seal 2 62；After shell 31 is threadedly coupled in place with connector 4, conductive contact pin 34 is resisted against conductive contact 51
On, Gask-O-Seal 1 and Gask-O-Seal 2 62 play the role of dual-seal at this time.In test or use process when
3 service life of reference electrode need to only back out the reference electrode 3 to break down after use and the reference electrode 3 more renewed can continue to make
With.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (9)
1. a kind of medical pH electrode catheter, before being installed with the catheter body (2) of conducting wire (1) including inside and be set to catheter body (2)
The reference electrode (3) at end, which is characterized in that the reference electrode (3) includes that rear end and catheter body (2) are detachably connected
Shell (31), the interior cavity (32) with front end aperture, back-end closure of the shell (31), the cavity (32) is interior to be equipped with
Electrode body (33) is equipped with for making conducting wire (1) and electrode body (33) electricity between the shell (31) and catheter body (2)
The connection structure of connection.
2. medical pH electrode catheter according to claim 1, which is characterized in that the front end of the catheter body (2) is equipped with
Connector (4), the connector (4) are interior with shrinkage pool (41) and set on the through-hole (42) of shrinkage pool (41) bottom, the conducting wire
(1) front end is protruded into shrinkage pool (41) after passing through through-hole (42), and the shell (31) is detachably connected with connector (4), institute
The connection structure stated is located between connector (4) and shell (31).
3. medical pH electrode catheter according to claim 2, which is characterized in that the connection structure includes being set to shell
(31) conductive contact pin (34) of rear end, the conductive contact (51) and elastic component that are set in shrinkage pool (41), the electrode body
(33) it is fixed on conductive contact pin (34), the conducting wire (1) is connect with conductive contact (51), is made in the elastic force of the elastic component
It is resisted against on conductive contact pin (34) with lower conductive contact (51).
4. medical pH electrode catheter according to claim 3, which is characterized in that the elastic component is spring (52).
5. medical pH electrode catheter according to claim 3, which is characterized in that the front end of the conductive contact (51) has
The recess (53) being oppositely arranged with conductive contact pin (34).
6. the medical pH electrode catheter according to claim 3 or 4 or 5, which is characterized in that the rear end of the shell (31) is set
Have external screw thread (36), the front end of the shrinkage pool (41) has internal screw thread (44), and the external screw thread (36) is matched with internal screw thread (44)
Setting is closed, seal assembly is equipped between the shell (31) and connector (4).
7. medical pH electrode catheter according to claim 6, which is characterized in that the root of the external screw thread (36) have with
The ring-shaped step one (37) that the front end of connector (4) is oppositely arranged, the seal assembly include be set to connector (4) front end with
Gask-O-Seal one (61) between ring-shaped step one (37).
8. medical pH electrode catheter according to claim 7, which is characterized in that the root of the internal screw thread (44) have with
The ring-shaped step two (45) that the rear end of shell (31) is oppositely arranged, the seal assembly further include be set to shell (31) rear end with
Gask-O-Seal two (62) between ring-shaped step two (45).
9. medical pH electrode catheter according to claim 8, which is characterized in that have on the conductive contact pin (34) and use
In the stop collar (38) for blocking cavity (32) rear end, the outer diameter of the stop collar (38) is greater than the internal diameter of ring-shaped step two (45),
The Gask-O-Seal two (62) is located between stop collar (38) and ring-shaped step two (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821049185.5U CN209059173U (en) | 2018-07-04 | 2018-07-04 | Medical pH electrode catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821049185.5U CN209059173U (en) | 2018-07-04 | 2018-07-04 | Medical pH electrode catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209059173U true CN209059173U (en) | 2019-07-05 |
Family
ID=67089128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821049185.5U Withdrawn - After Issue CN209059173U (en) | 2018-07-04 | 2018-07-04 | Medical pH electrode catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209059173U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108567415A (en) * | 2018-07-04 | 2018-09-25 | 重庆金山医疗器械有限公司 | PH electrode catheters |
| CN110584668A (en) * | 2019-10-24 | 2019-12-20 | 重庆金山科技（集团）有限公司 | impedance-pH electrode catheter |
-
2018
- 2018-07-04 CN CN201821049185.5U patent/CN209059173U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108567415A (en) * | 2018-07-04 | 2018-09-25 | 重庆金山医疗器械有限公司 | PH electrode catheters |
| CN108567415B (en) * | 2018-07-04 | 2024-05-07 | 重庆金山医疗技术研究院有限公司 | PH electrode catheter |
| CN110584668A (en) * | 2019-10-24 | 2019-12-20 | 重庆金山科技（集团）有限公司 | impedance-pH electrode catheter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211116 Address after: 401120 1-1, 2-1, 3-1, building 5, No. 18, Cuiping Lane 2, Huixing street, Yubei District, Chongqing Patentee after: Chongqing Jinshan Medical Technology Research Institute Co.,Ltd. Address before: 401120 1 office buildings, Jinshan International Industrial City, 18 of Nei sang Road, Hui Xing street, Yubei District, Chongqing. Patentee before: CHONGQING JINSHAN MEDICAL APPLIANCE Co.,Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190705 Effective date of abandoning: 20240507 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190705 Effective date of abandoning: 20240507 |