CN208640848U - Hypodermic tunnel constructing apparatus - Google Patents
Hypodermic tunnel constructing apparatus Download PDFInfo
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- CN208640848U CN208640848U CN201820397203.2U CN201820397203U CN208640848U CN 208640848 U CN208640848 U CN 208640848U CN 201820397203 U CN201820397203 U CN 201820397203U CN 208640848 U CN208640848 U CN 208640848U
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Abstract
The utility model provides a kind of hypodermic tunnel constructing apparatus, comprising: punctures inner core, forms point of puncture for puncturing skin；Obtuse expander is movably set in and punctures on inner core, and obtuse expander is used for along puncture node expansion subcutaneous tissue to form hypodermic tunnel；Support of tunnel pipe is movably set on obtuse expander, and support of tunnel pipe prevents medical catheter from being oppressed bending by subcutaneous tissue for being supported in hypodermic tunnel.Hypodermic tunnel constructing apparatus provided by the utility model, by puncturing the setting of inner core, obtuse expander and support of tunnel pipe, so that it, when constructing hypodermic tunnel, reduces bleeding, wound infection probability is low, and medical catheter will not be bent due to the compressing by subcutaneous tissue.
Description
Technical field
The utility model belongs to medicine technology field, is to be related to a kind of hypodermic tunnel constructing apparatus more specifically.
Background technique
During many clinical operations, it is implanted into after medical tube, in order to reduce the probability of infection, can be generally worn with original
A hypodermic tunnel is created between certain point except thorn point starts to periphery 3-5cm, former point of puncture is closed, so that tube body is separate
Former point of puncture.
In the prior art, the method for generally construction hypodermic tunnel has following two:
1. going to implement with operation curved forceps, reach and give directions after position, with broken skin knife broken skin, forms hypodermic tunnel；
2. going to implement with tunnel guide, the generally included broken skin function of tunnel guide.
Both methods all has the disadvantage that
1. being all the surgical instrument using metal material, being cut or being torn to subcutaneous tissue, it will cause
Layer undertissue mechanical damage is serious, bleeds profusely；
Biggish cutting wound is caused when 2. puncturing skin, easily causes infection；
3. being all the process of a building hypodermic tunnel, after hypodermic tunnel formation, not to by hypodermic tunnel
Medical tube protected, it will cause medical tube pliable or suffer oppression, can not be played so as to cause medical tube
Preset effect.
Utility model content
The purpose of this utility model is to provide a kind of hypodermic tunnel constructing apparatus, to solve structure existing in the prior art
It bleeds profusely when making hypodermic tunnel, to infect serious and medical catheter pliable or the technical issues of suffer oppression.
In order to achieve the above purposes, the technical solution adopted by the utility model is: provides a kind of hypodermic tunnel constructing apparatus,
Include:
Inner core is punctured, forms point of puncture for puncturing skin；
Obtuse expander is movably set on the puncture inner core, and the obtuse expander is used for along the point of puncture
Subcutaneous tissue is expanded to form hypodermic tunnel；
Support of tunnel pipe is movably set on the obtuse expander, and the support of tunnel pipe is for being supported in the skin
It is bent in lower tunnel with preventing medical catheter from being oppressed by the subcutaneous tissue.
Further, the inner core that punctures includes the puncture tube for puncturing the skin, and is connected with the puncture tube
The handle for connecing and being used to hold for hand.
Further, one end of the puncture tube has the tartar for puncturing the skin, and the tartar is in tip-like,
The handle is set to the other end of the puncture tube.
Further, the obtuse expander has the central bore axially penetrated through, and the internal diameter of the central bore is greater than
The outer diameter of the puncture tube, the central bore are sheathed on the puncture tube, and the puncture tube can be set to the central bore
In and move along its axis, the tartar can be retracted and one end of the extended central bore, the handle can backstop in institute
State the other end of central bore.
Further, the obtuse expander includes the enlarged portion for expanding the subcutaneous tissue, and with the expansion
The portion of opening connects and is used to limit the limiting section of the handle, and the central bore axially penetrates through the enlarged portion and the limit
Portion, the support of tunnel pipe are movably set in the enlarged portion.
Further, the central bore includes the expanded bore through the enlarged portion, and is communicated with the expanded bore
And run through the limit hole of the limiting section, the internal diameter of the limit hole from the expanded bore to the other end of the central bore by
Cumulative big, the handle can be plugged and is limited in the limit hole.
Further, described enlarged portion one end has the boot segment for guiding the enlarged portion to enter the point of puncture,
And connect and be used to expand the expansion segment of the subcutaneous tissue with the boot segment, the boot segment and the expansion segment it is outer
Surface is in circular conical surface, and the cone angle of the boot segment is greater than the cone angle of the expansion segment.
Preferably, the enlarged portion be can axial stretching telescopic sleeve.
Further, the support of tunnel pipe has the extension end for stretching out the hypodermic tunnel, the hypodermic tunnel construction
Device further includes the fixing clamp for being fixed on the extension end on the skin.
Further, the fixing clamp includes the interconnecting piece that can be sheathed on the extension end, and is set to the connection
Portion's opposite sides and the fixed part that can be attached on skin.
The beneficial effect of hypodermic tunnel constructing apparatus provided by the utility model is: compared with prior art, this is practical
For novel hypodermic tunnel constructing apparatus by puncturing the design of inner core, obtuse expander and support of tunnel pipe, puncturing inner core can be with
The lesser point of puncture of the surface of a wound is formed, to reduce wound infection probability；Obtuse expander uses the mode shape for expanding subcutaneous tissue
At hypodermic tunnel, so that isolating of being subject to of subcutaneous tissue injures contusion and significantly reduce, reduce bleeding；Support of tunnel pipe can
Medical catheter is supported in hypodermic tunnel, to prevent medical catheter from bending due to the compressing by subcutaneous tissue.In addition, this reality
It is punctured on inner core with novel by the way that obtuse expander to be movably set in, and support of tunnel pipe is movably set in obtuse expander
On design do not need frequently puncture inner core or obtuse expander from support of tunnel pipe so that when constructing hypodermic tunnel
Middle disassembly or installation so that structure is easy to assembly, and prevent structural damage caused by due to frequently dismounting.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is supported in the structural schematic diagram of hypodermic tunnel for the support of tunnel pipe in the utility model embodiment；
Fig. 2 is the stereoscopic schematic diagram of hypodermic tunnel constructing apparatus provided by the embodiment of the utility model；
Fig. 3 is the front cross-sectional schematic diagram of hypodermic tunnel constructing apparatus provided by the embodiment of the utility model；
Fig. 4 is the partial enlarged view of the part A in Fig. 3；
Fig. 5 is the partial enlarged view of the part B in Fig. 3；
Fig. 6 is the structural schematic diagram of the puncture inner core in Fig. 2；
Fig. 7 is the structural schematic diagram of the obtuse expander in Fig. 2；
Fig. 8 is a kind of embodiment schematic diagram of the enlarged portion of obtuse expander provided by the utility model；
Fig. 9 is the scheme of installation that the utility model implements the support of tunnel pipe and fixing clamp that provide.
Wherein, each appended drawing reference in figure:
1- punctures inner core；2- obtuse expander；3- support of tunnel pipe；4- fixing clamp；5- medical catheter；6- skin；7- skin
Undertissue；8- hypodermic tunnel；80- tunnel exit；9- point of puncture；11- puncture tube；12- handle；20- central bore；21- expansion
Portion；22- limiting section；The extension end 31-；41- interconnecting piece；42- fixed part；111- tartar；121- outer cover；122- internal valve；210- expands
Zhang Kong；211- boot segment；212- expansion segment；The extended segment 213-；220- limit hole.
Specific embodiment
In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or indirectly on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on the figure or position are closed
System, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
Also referring to Fig. 1 to Fig. 5, now hypodermic tunnel constructing apparatus provided by the utility model is illustrated.The skin
Lower tunnel construction device is used for the surface construction hypodermic tunnel 8 under skin 6, to close in clinical operation after implantation medical catheter 5
Point of puncture 9.Hypodermic tunnel constructing apparatus includes puncturing inner core 1, obtuse expander 2 and support of tunnel pipe 3, obtuse expander 2
It is movably set in and punctures on inner core 1, support of tunnel pipe 3 is movably set on obtuse expander 2, punctures inner core 1 for puncturing skin
Skin 6 forms point of puncture 9, and obtuse expander 2 is used to expand subcutaneous tissue 7 along point of puncture 9 to form hypodermic tunnel 8, tunnel branch
Stay tube 3 is used to support in hypodermic tunnel 8 to prevent medical catheter 5 from being oppressed by subcutaneous tissue 7 and bend.The utility model embodiment
In hypodermic tunnel constructing apparatus specific working mode it is as follows: first by obtuse expander 2 be movably set in puncture inner core 1 on,
And support of tunnel pipe 3 is movably set on obtuse expander 2, the formation point of puncture 9 of skin 6 then is punctured by puncturing inner core 1,
Subcutaneous tissue 7 is expanded along point of puncture 9 by obtuse expander 2 and forms hypodermic tunnel 8, and obtuse expander 2 is expanded to specific bit
(position apart from point of puncture 3-5cm) is set, inner core 1 is then punctured and is drive on boldly forward with respect to obtuse expander 2, puncture skin 6, formed
Tunnel exit 80, then obtuse expander 2 and support of tunnel pipe 3 successively come out from the expansion of tunnel exit 80, finally puncture inner core 1
It is all exited from hypodermic tunnel 8 with obtuse expander 2, so far, construction complete hypodermic tunnel 8.And support of tunnel pipe 3 will be from tunnel
Export 80 parts transfer to and reserve 1-3cm length in hypodermic tunnel 8 as medical catheter 5 support, medical catheter 5 work when,
It can be inserted into directly from support of tunnel pipe 3 and work into inside of human body.
Hypodermic tunnel constructing apparatus provided by the utility model, compared with prior art, the hypodermic tunnel of the utility model
Constructing apparatus by puncture inner core 1, obtuse expander 2 and support of tunnel pipe 3 design, puncture inner core 1 can be formed the surface of a wound compared with
Small point of puncture 9, to reduce wound infection probability；Obtuse expander 2 forms subcutaneous tunnel using the mode of expansion subcutaneous tissue 7
Road 8 significantly reduces so that the isolating of being subject to of subcutaneous tissue 7 injures contusion, reduces bleeding；Support of tunnel pipe 3 can be in skin
Medical catheter 5 is supported in lower tunnel 8, to prevent medical catheter 5 from bending because of the compressing by subcutaneous tissue 7.In addition, this reality
It is punctured on inner core 1 with novel by the way that obtuse expander 2 to be movably set in, and support of tunnel pipe 3 is movably set in obtuse and is expanded
Design on prop 2, so that not needing frequently puncture inner core 1 or obtuse expander 2 from tunnel when constructing hypodermic tunnel 8
Dismantle or install in road support tube 3 so that structure is easy to assembly, and prevent structure caused by due to frequently dismounting by
Damage.
Further, Fig. 4 to 6 is please referred to, one kind as hypodermic tunnel constructing apparatus provided by the utility model is specific
Embodiment, above-mentioned puncture inner core 1 include puncture tube 11 and handle 12, and puncture tube 11 is for puncturing skin 6 to form point of puncture
9, handle 12 is connect with puncture tube 11, handle 12 be used for for hand hold, in use, medical staff can by catch handle 12 come
The control puncture activity in obtuse expander 2 of inner core 1, which is gone forward side by side, assassinates broken skin skin 6.Specifically, in the present embodiment, above-mentioned puncture
Pipe 11 and handle 12 are an integral molding structure, and can will be punctured 1 one-pass molding of inner core by the same mold, be not only reduced mold
Cost, and the processing is simple.Certainly, according to the actual situation and specific requirement, above-mentioned to wear in the other embodiments of the utility model
Thorn pipe 11 is also possible to be separately formed with handle 12, is then fixedly connected by fastener or stickers, is not done herein
It is unique to limit.
Further, Fig. 4 and Fig. 6 is please referred to, a kind of tool as hypodermic tunnel constructing apparatus provided by the utility model
Body embodiment, one end of above-mentioned puncture tube 11 have tartar 111, and handle 12 is set to the other end of puncture tube 11, please refers to figure
4, tartar 111 is in tip-like, and tartar 111 is for puncturing skin 6 to form point of puncture 9.The utility model embodiment will be by that will pierce
First 111 design is in tip-like, to reduce 9 surface of a wound of point of puncture, and then achievees the purpose that reduce infection.
Further, Fig. 4 and 5 is please referred to, one kind as hypodermic tunnel constructing apparatus provided by the utility model is specific
Embodiment, above-mentioned obtuse expander 2 have the central bore 20 axially penetrated through, and the internal diameter of central bore 20 is greater than puncture tube 11
Outer diameter, central bore 20 is sheathed on puncture tube 11, and puncture tube 11 can be set in central bore 20 and move along its axis, and pierces
First 111 can be retracted and one end of the extended central bore 20, and handle 12 can backstop in the other end of central bore 20.?
In the utility model embodiment, when general work state, central bore 20 is sheathed on puncture tube 11, and in 111 retraction of tartar
The one end in intracardiac hole 20, the other end that handle 12 is located at central bore 20 are used for when needing to puncture skin 6 using tartar 111
Handle 12 is caught to move axially puncture tube 11 in central bore 20, until tartar 111 stretches out one end of central bore 20 simultaneously
Skin 6 is punctured, and after skin 6 punctures, puncture tube 11 is yearned for into return in 20 axis of central bore further through handle 12 and is moved,
Until then removing expansion subcutaneous tissue 7 by obtuse expander 2 in 111 retraction central bore 20 of tartar.
Further, Fig. 4, Fig. 5 and Fig. 7 are please referred to, one as hypodermic tunnel constructing apparatus provided by the utility model
Kind specific embodiment, above-mentioned obtuse expander 2 include enlarged portion 21 and limiting section 22, and enlarged portion 21 is for expanding subcutaneous tissue
7, limiting section 22 is connect with enlarged portion 21, limiting section 22 for limiting handle 12, central bore 20 axially penetrate through enlarged portion 21 and
Limiting section 22, support of tunnel pipe 3 are movably set in enlarged portion 21.The present embodiment passes through the setting of limiting section 22, so that handle
12 will not enter in central bore 20 in the case where no restriction, lead to not operate the puncture inner core 1, and limiting section 22 exists
The bending strength of handle 12 is enhanced while limiting handle 12, thus prevent when puncture inner core 1 punctures skin 6,
Hand 12 can be broken, and then ensure that the entire use intensity for puncturing inner core 1.
Further, 5 are please referred to, a kind of specific embodiment party as hypodermic tunnel constructing apparatus provided by the utility model
Formula, above-mentioned central bore 20 include the expanded bore 210 through enlarged portion 21, and communicate with expanded bore 210 and run through limiting section
22 limit hole 220.Limit hole 220 is in coniform, and the internal diameter of limit hole 220 is from expanded bore 210 to the another of central bore 20
One end is gradually increased, and handle 12 can be plugged and is limited in limit hole 220.Specifically, referring to Fig. 5, handle 12 includes outer cover
121 and internal valve 122, outer cover 121 is cylindrical, and internal valve 122 is set in outer cover 121 and outer cover 121, internal valve 122 are stretched out in part
In coniform, and the tilt angle of 122 outer surface of internal valve is greater than the tilt angle of limit hole 220, when internal valve 122 is inserted in limit
When in hole 220, enlarged portion 21 gives internal valve 122 support strength, to improve the use intensity of handle 12.
Further, Fig. 4 and Fig. 5 is please referred to, a kind of tool as hypodermic tunnel constructing apparatus provided by the utility model
Body embodiment, above-mentioned enlarged portion 21 include that outer diameter is gradually increased boot segment 211, expansion segment 212 and extended segment 213, expansion segment
212 are connected between boot segment 211 and extended segment 213, and extended segment 213 is connect with limiting section 22, boot segment 211 and expansion segment
212 outer surface is in circular conical surface, and the outer surface of extended segment 213 is in cylindrical surface, and the cone angle of boot segment 211 is greater than expansion segment 212
Cone angle.The utility model embodiment guides entire enlarged portion 21 to enter point of puncture 9, so by the biggish boot segment 211 of cone angle
Subcutaneous tissue 7 is expanded by cone angle lesser expansion segment 212 afterwards, in this way, not only guaranteeing that enlarged portion 21 can rapidly enter
Point of puncture 9, and expansion segment 212 will not generate damage to subcutaneous tissue 7 as far as possible when carrying out subcutaneous tissue 7 and expanding, and reduce
Bleeding.
Preferably, referring to Fig. 8, a kind of specific embodiment party as hypodermic tunnel constructing apparatus provided by the utility model
Formula, above-mentioned enlarged portion 21 be can axial stretching telescopic sleeve, specifically, above-mentioned enlarged portion 21 include three sets being successively socketed
Cylinder, in use, can be stretched according to the demand of 8 length of hypodermic tunnel to enlarged portion 21, so that the hypodermic tunnel structure
The hypodermic tunnel 8 that device is suitable for various length requirements is made, and then prevents from needing repeatedly to be pierced through because tunnel is too long, in turn
Reduce damage and infection probability.Certainly, in the other embodiments of the utility model, according to the specific need of construction hypodermic tunnel
It asks, above-mentioned enlarged portion 21 may not be the telescopic sleeve including three sleeves, but only one sleeve, that is to say enlarged portion
21 cannot stretch, and not do unique restriction herein.
Further, Fig. 1 and Fig. 9 is please referred to, a kind of tool as hypodermic tunnel constructing apparatus provided by the utility model
Body embodiment, above-mentioned support of tunnel pipe 3 have the extension end 31 for stretching out hypodermic tunnel 8, and hypodermic tunnel constructing apparatus further includes
Fixing clamp 4, fixing clamp 4 are securable on extension end 31 and for skin 6 to be fixed in extension end 31.In the present embodiment,
Above-mentioned fixing clamp 4 is to puncture inner core 1 after hypodermic tunnel 8 is completed and obtuse expander 2 is extracted out from support of tunnel pipe 3,
And after support of tunnel pipe 3 extracts extension end 31 from tunnel exit 80, fixing clamp 4 is then fixed on skin by adhesive plaster etc.
On 6, so that the medical catheter 5 in support of tunnel pipe 3 has also obtained fixation, to guarantee that medical catheter 5 works surely
It is fixed.
Further, referring to Fig. 9, a kind of specific implementation as hypodermic tunnel constructing apparatus provided by the utility model
Mode, for above-mentioned fixing clamp 4 in butterfly-like, fixing clamp 4 includes interconnecting piece 41 and two fixed parts 42, and interconnecting piece 41 is in semi-cylindrical,
Two fixed parts 42 are set to the opposite sides of interconnecting piece 41, and interconnecting piece 41 can be sheathed on extension end 31, and two fixed parts 42 can be sticked
In on skin 6, then fixing clamp 4 is fixed on skin 6 by adhesive plaster.The present embodiment passes through the design of two fixed parts 42, makes
The contact surface obtained between entire fixing clamp 4 and skin 6 is bigger, to increase the stationary plane of fixing clamp 4, ensure that extension end 31
The fixation on skin 6, and then ensure that 5 the operation is stable of medical catheter.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. hypodermic tunnel constructing apparatus characterized by comprising
Inner core is punctured, forms point of puncture for puncturing skin；
Obtuse expander is movably set on the puncture inner core, and the obtuse expander is used for along the puncture node expansion
Subcutaneous tissue is to form hypodermic tunnel；
Support of tunnel pipe is movably set on the obtuse expander, and the support of tunnel pipe is for being supported in the subcutaneous tunnel
It is bent in road with preventing medical catheter from being oppressed by the subcutaneous tissue.
2. hypodermic tunnel constructing apparatus as described in claim 1, which is characterized in that the puncture inner core includes for puncturing
The puncture tube of skin is stated, and the handle for connecting with the puncture tube and being used to hold for hand.
3. hypodermic tunnel constructing apparatus as claimed in claim 2, which is characterized in that one end of the puncture tube has for piercing
The tartar of the skin is broken, the tartar is in tip-like, and the handle is set to the other end of the puncture tube.
4. hypodermic tunnel constructing apparatus as claimed in claim 3, which is characterized in that the obtuse expander, which has, to be axially penetrated through
Central bore, the internal diameter of the central bore is greater than the outer diameter of the puncture tube, and the central bore is sheathed on the puncture
Guan Shang, the puncture tube can be set in the central bore and move along its axis, and the tartar can be retracted and extended described
One end of central bore, the handle can backstop in the other end of the central bore.
5. hypodermic tunnel constructing apparatus as claimed in claim 4, which is characterized in that the obtuse expander includes for expanding
The enlarged portion of the subcutaneous tissue, and the limiting section of the handle is connect and is used to limit with the enlarged portion, the center
Inner hole axially penetrates through the enlarged portion and the limiting section, and the support of tunnel pipe is movably set in the enlarged portion.
6. hypodermic tunnel constructing apparatus as claimed in claim 5, which is characterized in that the central bore includes running through the expansion
The expanded bore in portion, and the limit hole of the limiting section is communicated and run through with the expanded bore, the internal diameter of the limit hole by
The expanded bore is gradually increased to the other end of the central bore, and the handle can be plugged and is limited in the limit hole.
7. hypodermic tunnel constructing apparatus as claimed in claim 5, which is characterized in that described enlarged portion one end has for guiding
The enlarged portion enters the boot segment of the point of puncture, and connect with the boot segment and be used to expand the subcutaneous tissue
The outer surface of expansion segment, the boot segment and the expansion segment is in circular conical surface, and the cone angle of the boot segment is greater than the expansion
Open the cone angle of section.
8. hypodermic tunnel constructing apparatus as claimed in claim 5, which is characterized in that the enlarged portion be can axial stretching stretch
Heat-Shrinkable Tubings.
9. hypodermic tunnel constructing apparatus as claimed in claim 5, which is characterized in that the support of tunnel pipe has described in stretching
The extension end of hypodermic tunnel, the hypodermic tunnel constructing apparatus further include for the extension end to be fixed on the skin
Fixing clamp.
10. hypodermic tunnel constructing apparatus as claimed in claim 9, which is characterized in that the fixing clamp includes that can be sheathed on institute
State the interconnecting piece on extension end, and set on the interconnecting piece opposite sides and the fixed part that can be attached on skin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820397203.2U CN208640848U (en) | 2018-03-22 | 2018-03-22 | Hypodermic tunnel constructing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820397203.2U CN208640848U (en) | 2018-03-22 | 2018-03-22 | Hypodermic tunnel constructing apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN208640848U true CN208640848U (en) | 2019-03-26 |
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ID=65775722
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820397203.2U Active CN208640848U (en) | 2018-03-22 | 2018-03-22 | Hypodermic tunnel constructing apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110292419A (en) * | 2018-03-22 | 2019-10-01 | 深圳市擎源医疗器械有限公司 | Hypodermic tunnel constructing apparatus |
| CN110353782A (en) * | 2019-08-02 | 2019-10-22 | 武汉市第一医院 | Artifical internal arteriovenous fistula maintenance hypodermic tunnel device |
| CN111228629A (en) * | 2020-01-21 | 2020-06-05 | 济南市传染病医院 | Craniocerebral drainage tube submerged implantation device |
-
2018
- 2018-03-22 CN CN201820397203.2U patent/CN208640848U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110292419A (en) * | 2018-03-22 | 2019-10-01 | 深圳市擎源医疗器械有限公司 | Hypodermic tunnel constructing apparatus |
| CN110353782A (en) * | 2019-08-02 | 2019-10-22 | 武汉市第一医院 | Artifical internal arteriovenous fistula maintenance hypodermic tunnel device |
| CN110353782B (en) * | 2019-08-02 | 2024-05-03 | 武汉市第一医院 | Subcutaneous tunnel device for artificial blood vessel arteriovenous internal fistula |
| CN111228629A (en) * | 2020-01-21 | 2020-06-05 | 济南市传染病医院 | Craniocerebral drainage tube submerged implantation device |
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