CN108836760A - A kind of protection crutch of Orthopaedic nursing walk help - Google Patents
A kind of protection crutch of Orthopaedic nursing walk help Download PDFInfo
- Publication number
- CN108836760A CN108836760A CN201810753590.3A CN201810753590A CN108836760A CN 108836760 A CN108836760 A CN 108836760A CN 201810753590 A CN201810753590 A CN 201810753590A CN 108836760 A CN108836760 A CN 108836760A
- Authority
- CN
- China
- Prior art keywords
- crutch
- cylindrical tube
- wall
- protection
- pawl
- 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.)
- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H3/02—Crutches
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H3/02—Crutches
- A61H3/0277—Shock absorbers therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H3/02—Crutches
- A61H3/0277—Shock absorbers therefor
- A61H2003/0283—Shock absorbers therefor using elastomeric material
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Pain & Pain Management (AREA)
- Physical Education & Sports Medicine (AREA)
- Rehabilitation Therapy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Rehabilitation Tools (AREA)
Abstract
The present invention provides a kind of protection crutch of Orthopaedic nursing walk help, including cylindrical tube A, annular groove and fixed pin；The cylindrical tube A top end face is welded with the crutch tip, and the cylindrical tube A outer wall is symmetrically arranged with the totally two ten four round hole A of four column each column six.Setting is adjusted by the rotation of crutch pawl, rubber sleeve can effectively increase frictional resistance completely with ground face contact when each mobile, safer when walking on the patient ground in ceramic tile or relatively sliding using crutch；By being equipped with for fixing bolt and round hole A, handle can be made to carry out horizontal direction and vertically to can be adjusted, be on the one hand applicable to the different patient's use of arm length, be on the other hand applicable to the different holds of patient.
Description
Technical field
The invention belongs to the field of medical instrument technology, more specifically, in particular to a kind of protection of Orthopaedic nursing walk help
Formula crutch.
Background technique
Current crutch is the simple instrument of auxiliary walking, usually one wooden or metal rod.Crutch is a kind of heavy
The medical rehabilitation appurtenance wanted, departure cane, elbow cane, crutch, wherein walking stick is mainly used for slightly needing, such as the elderly or steps on
Mountain person, walking stick are not belonging to disabled person's articles, and elbow cane belongs to moderate lower limb disability people's articles.
Based on above-mentioned, the inventors discovered that, existing crutch general structure is all fairly simple, is primarily present the following not
Foot：
Non-skid property is weaker, during walking due to when crutch forward extends out with the inclined angle in ground, to subtract
The small contact area with ground, is easier to slip；
Controllability is poor, and the medical crutch scope of application is wider, for different patients carry out using, such as：Height is different,
It is accustomed to different patients to carry out using because patient height is different therefore the length of arm also has with short, and fixed crutch is inevitable
It makes troubles to patient；
Rubber sleeve is easy to fall off, and in the long-term use, rubber sleeve is easily separated from crutch main body, and security risk is larger；
Then, in view of this, being studied improvement for existing structure and missing, a kind of Orthopaedic nursing walk help is provided
Protection crutch, to achieve the purpose that with more more practical value.
Summary of the invention
In order to solve the above technical problem, the present invention provides a kind of protection crutch of Orthopaedic nursing walk help, existing to solve
There is the problem of non-skid property is weaker, and controllability is poor and rubber sleeve is easy to fall off.
The purpose and effect of the protection crutch of Orthopaedic nursing walk help of the present invention, are reached by technological means in detail below：
A kind of protection crutch of Orthopaedic nursing walk help, including cylindrical tube A, fixed pin holes A, crutch tip, round hole A, circle
Column tube B, handle, fixing bolt, cylindrical tube C, connecting rod, cylindrical tube D, spare crutch pawl, rectangular channel, crutch pawl, connection sheet, circle
Shape hole B, cylinder iron, annulus, rubber sleeve, annular groove and fixed pin；The cylindrical tube A top end face is welded with the crutch
Head, and the cylindrical tube A outer wall is symmetrically arranged with the totally two ten four round hole A of four column each column six；Outside the cylindrical tube A
Wall is socketed with the cylindrical tube B；The cylindrical tube B outer wall left location is welded with the handle, and the cylinder
Pipe B outer wall right position is threaded with the fixing bolt；The cylindrical tube A outer wall is located at below the cylindrical tube B
Position is socketed with the cylindrical tube C；The cylindrical tube C outer wall left location passes through a connecting rod and the cylinder
Pipe D is weldingly connected；The cylindrical tube C outer wall right position is also threaded with the fixing bolt；The bottom the cylindrical tube A
End face offers the rectangular channel, and the cylindrical tube A outer wall lower position offers the fixed pin holes A；Institute
Fixed pin holes A is stated to be connected with the rectangular channel；The crutch pawl is by the connection sheet, round hole B, cylinder iron and the rubber
Set composition；The connection sheet front end face offers the round hole B, and the connection sheet bottom face is welded in the cylinder
Iron top end face；The cylinder iron outer wall is welded with the annulus；The rubber sleeve inner wall offers the annular groove.
Further, offer screw thread in 24 round hole A, and the screw thread of the round hole A with it is described
The screw thread of fixing bolt matches.
Further, the annulus matches with the annular groove size.
Further, the width of the connection sheet is equal with the width of rectangular.
Further, the crutch pawl is rotationally connected in the rectangular channel by the fixed pin, and the crutch pawl
Rotational angle is less than 40 degree.
Further, the spare crutch pawl is connected in the cylindrical tube D.
Further, the rubber sleeve bottom uses zigzag symmetric design.
Further, the cylinder iron outer wall is handled using frosted.
Further, the width of the connection sheet is greater than the internal diameter of the cylindrical tube A.
Compared with prior art, the present invention has the advantages that：
Adjust setting by the rotation of crutch pawl, in each move rubber sleeve can completely with ground face contact, effectively
Increase frictional resistance, it is safer when walking on the patient ground in ceramic tile or relatively sliding using crutch.
Because the rotational angle of crutch pawl restriction is less than 40 degree, so can prevent when rotational angle is greater than 45 degree, downward
Pressure is gradually converted to forward thrust because of angle reason, improves so that the probability of sliding be caused to increase with risk.
By being equipped with for fixing bolt and round hole A, handle can be made to carry out horizontal direction and vertically to can be adjusted
On the one hand section is applicable to the different patient of arm length and uses, is on the other hand applicable to the different holds of patient.
By rubber sleeve bottom zigzag symmetric design, the frictional resistance of rubber sleeve forwardly and rearwardly is increased, therefore in disease
It is safer when people is walked using crutch.
By being equipped with for annular groove and annulus, rubber sleeve can be fixed, prevent rubber during use
Set falls off, to reduce the frictional resistance with ground.
By the setting of spare crutch pawl, can be replaced at any time in the damage of crutch pawl.
Detailed description of the invention
Fig. 1 is schematic view of the front view of the invention.
Fig. 2 is left view structural representation of the invention.
Fig. 3 is the section view enlarged structure schematic diagram of rubber sleeve of the invention.
Fig. 4 is cylinder iron of the invention, annulus, rubber sleeve section view enlarged structure schematic diagram.
Fig. 5 is cylindrical tube A of the invention, connection sheet, cylinder iron, the main view enlarged structure signal of rubber sleeve and fixed pin
Figure.
Fig. 6 is crutch pawl main view enlarged structure schematic diagram of the invention.
Fig. 7 is the partial enlargement structural representation of cylindrical tube A of the invention.
Fig. 8 is crutch pawl rotation pre-structure schematic diagram of the invention.
Fig. 9 is structural schematic diagram after crutch pawl rotation of the invention.
In figure, the corresponding relationship of component names and accompanying drawing number is：
1- cylindrical tube A, 101- fixed pin holes A, 2- crutch tip, 3- round hole A, 4- cylindrical tube B, 5- handle, the fixed spiral shell of 6-
Bolt, 7- cylindrical tube C, 8- connecting rod, the spare crutch pawl of 9- cylindrical tube D, 10-, 11- rectangular channel, 12- crutch pawl, 1201- connection
Piece, 1202- round hole B, 1203- cylinder iron, 120301- annulus, 1204- rubber sleeve, 120401- annular groove, 13- fixed pin.
Specific embodiment
Embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples.Following embodiment is used for
Illustrate the present invention, but cannot be used to limit the scope of the invention.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more；Term " on ",
The orientation or positional relationship of the instructions such as "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion " is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second ", " third " etc. are used for description purposes only, and should not be understood as instruction or
Imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connected " " connects
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Embodiment：
As shown in attached drawing 1 to attached drawing 9：
The present invention provides a kind of protection crutch of Orthopaedic nursing walk help, including cylindrical tube A1, fixed pin holes A101, crutch
First 2, round hole A3, cylindrical tube B4, handle 5, fixing bolt 6, cylindrical tube C7, connecting rod 8, cylindrical tube D9, spare crutch pawl 10,
Rectangular channel 11, crutch pawl 12, connection sheet 1201, round hole B1202, cylinder iron 1203, annulus 120301, rubber sleeve 1204, ring
Shape slot 120401 and fixed pin 13；The cylindrical tube A1 top end face is welded with the crutch tip 2, and outside the cylindrical tube A1
Wall is symmetrically arranged with the totally two ten four round hole A3 of four column each column six；The cylindrical tube A1 outer wall is socketed with described in one
Cylindrical tube B4；The cylindrical tube B4 outer wall left location is welded with the handle 5, and the cylindrical tube B4 outer wall right bit
It sets and is threaded with the fixing bolt 6；The cylindrical tube A1 outer wall is located at the cylindrical tube B4 lower position and is socketed with
One cylindrical tube C7；The cylindrical tube C7 outer wall left location is welded by a connecting rod 8 and cylindrical tube D9
It connects connected；The cylindrical tube C7 outer wall right position is also threaded with the fixing bolt 6；The bottom end the cylindrical tube A1
Face offers the rectangular channel 11, and the cylindrical tube A1 outer wall lower position offers the fixed pin holes
A101；The fixed pin holes A101 is connected with the rectangular channel 11；The crutch pawl 12 is by the connection sheet 1201, round hole
B1202, cylinder iron 1203 and the rubber sleeve 1204 form；1201 front end face of connection sheet offers the round hole
B1202, and 1201 bottom face of the connection sheet is welded in 1203 top end face of cylinder iron；1203 outer wall of the cylinder iron welding
There is the annulus 120301；1204 inner wall of rubber sleeve offers the annular groove 120401.
Wherein, offer screw thread in 24 round hole A3, and the screw thread of the round hole A3 with it is described solid
The screw thread for determining bolt 6 matches, therefore the handle 5 and the cylindrical tube C7 can pass through the fixing bolt 6 and round hole A3's
Adjustment above and below cooperation is realized and on left and right directions.
Wherein, the annulus 120301 matches with 120401 size of annular groove, therefore passes through the annulus 120301
Cooperation with the annular groove 120401 can prevent the rubber sleeve 1204 from falling off.
Wherein, 1201 width of connection sheet is equal with 11 width of rectangular channel, therefore the connection sheet 1201 is slidably
It is connected in the rectangular channel 11.
Wherein, the crutch pawl 12 is rotationally connected in the rectangular channel 11 by the fixed pin 13, and the crutch
12 rotational angle of pawl is prevented when rotational angle is greater than 45 degree, pressure is gradually converted to thrust, to be gradually reduced less than 40 degree
Frictional resistance.
Wherein, it is connected with the spare crutch pawl 10 in the cylindrical tube D9, therefore is damaged in the crutch pawl 10
Bad when, can replace spare crutch pawl 10 at any time.
Wherein, 1204 bottom of rubber sleeve uses zigzag symmetric design, can prevent before occurring during walking
Sliding phenomenon afterwards.
Wherein, 1203 outer wall of cylinder iron is handled using frosted, increases the cylinder iron 1203 and the rubber sleeve
Frictional resistance between 1204.
Wherein, the width of the connection sheet 1201 is greater than the internal diameter of the cylindrical tube A1, before preventing the connection sheet 1201
After slide.
The specifically used mode and effect of the present embodiment：
In use, crutch tip 2 is withstood at armpit, and handle 5 is held, do not felt like oneself such as at this time, on the one hand can twisted
Loose fixing bolt 6 adjusts cylindrical tube B4 and moves up and down, until handle 5 is adjusted to suitable position, it then will fixed spiral shell
Bolt 6 carries out screw thread with corresponding round hole A3 and screws up fixation, on the other hand because personal habits difference can unscrew on cylindrical tube B4
Fixing bolt 6, then left-right rotation handle 5, by the fixing bolt 6 and phase on cylindrical tube B4 after being adjusted to suitable position
Corresponding round hole A3 carries out screw thread and screws up fixation；When walking forward because connection sheet 1201 is rotationally connected in rectangular channel 11,
So 1204 bottom face of rubber sleeve is contacted with bottom surface, because increasing with contact area of ground, therefore friction resistance is effectively raised
Power；Because 1204 bottom face of rubber sleeve is zigzag and is symmetric design, therefore frictional resistance can be effectively increased；On the one hand because of circle
1203 outer wall of column iron has carried out frosted processing, on the other hand because annulus 120301 is identical as the size of annular groove 120401, therefore can
Effectively prevent rubber sleeve 1204 from falling off；As when crutch pawl damages in use, first by fixed pin 13 from fixation
It is extracted out in pin hole A101, then removes crutch pawl 12, then extract spare crutch pawl 10 out out of cylindrical tube D9, and by spare crutch pawl
10 are placed in rectangular channel 11, finally pass through fixed pin holes A101 with fixed pin 13 and spare crutch pawl 10 is fixed.
The embodiment of the present invention is given for the purpose of illustration and description, and is not exhaustively or by this to send out
It is bright to be limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Choosing
Selecting and describe embodiment is and to make those skilled in the art to more preferably illustrate the principle of the present invention and practical application
It will be appreciated that the present invention is to design various embodiments suitable for specific applications with various modifications.
Claims (9)
1. a kind of protection crutch of Orthopaedic nursing walk help, it is characterised in that：The protection crutch of the Orthopaedic nursing walk help includes
Cylindrical tube A, fixed pin holes A, crutch tip, round hole A, cylindrical tube B, handle, fixing bolt, cylindrical tube C, connecting rod, cylindrical tube
D, spare crutch pawl, rectangular channel, crutch pawl, connection sheet, round hole B, cylinder iron, annulus, rubber sleeve, annular groove and fixed pin；
The cylindrical tube A top end face is welded with the crutch tip, and the cylindrical tube A outer wall is symmetrically arranged with four column each column six
Totally two ten four round hole A；The cylindrical tube A outer wall is socketed with the cylindrical tube B；The cylindrical tube B outer wall is left
Orientation, which is set, is welded with the handle, and the cylindrical tube B outer wall right position is threaded with the fixing bolt；
The cylindrical tube A outer wall is located at the cylindrical tube B lower position and is socketed with the cylindrical tube C；The cylindrical tube C outer wall is left
Orientation is set to be weldingly connected by a connecting rod and the cylindrical tube D；Also screw thread connects for the cylindrical tube C outer wall right position
It is connected to the fixing bolt；The cylindrical tube A bottom face offers the rectangular channel, and the cylindrical tube A outer wall
Lower position offers the fixed pin holes A；The fixed pin holes A is connected with the rectangular channel；The crutch pawl by
The connection sheet, round hole B, cylinder iron and rubber sleeve composition；The connection sheet front end face offers the circle
Hole B, and the connection sheet bottom face is welded in the cylinder iron top end face；The cylinder iron outer wall is welded with the circle
Ring；The rubber sleeve inner wall offers the annular groove.
2. the protection crutch of Orthopaedic nursing walk help as described in claim 1, it is characterised in that：24 round hole A
Screw thread is inside offered, and the screw thread of the screw thread and the fixing bolt of the round hole A matches.
3. the protection crutch of Orthopaedic nursing walk help as described in claim 1, it is characterised in that：The annulus and the annular groove
Size matches.
4. the protection crutch of Orthopaedic nursing walk help as described in claim 1, it is characterised in that：The width of the connection sheet and institute
It is equal to state width of rectangular.
5. the protection crutch of Orthopaedic nursing walk help as described in claim 1, it is characterised in that：The crutch pawl passes through described solid
Rationed marketing is rotationally connected in the rectangular channel, and the crutch pawl rotational angle is less than 40 degree.
6. the protection crutch of Orthopaedic nursing walk help as described in claim 1, it is characterised in that：Activity connects in the cylindrical tube D
It is connected to the spare crutch pawl.
7. the protection crutch of Orthopaedic nursing walk help as described in claim 1, it is characterised in that：The rubber sleeve bottom is using saw
Dentation symmetric design.
8. the protection crutch of Orthopaedic nursing walk help as described in claim 1, it is characterised in that：The cylinder iron outer wall is using mill
Sand processing.
9. the protection crutch of Orthopaedic nursing walk help as described in claim 1, it is characterised in that：The width of the connection sheet is greater than
The internal diameter of the cylindrical tube A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810753590.3A CN108836760A (en) | 2018-07-10 | 2018-07-10 | A kind of protection crutch of Orthopaedic nursing walk help |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810753590.3A CN108836760A (en) | 2018-07-10 | 2018-07-10 | A kind of protection crutch of Orthopaedic nursing walk help |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108836760A true CN108836760A (en) | 2018-11-20 |
Family
ID=64196025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810753590.3A Pending CN108836760A (en) | 2018-07-10 | 2018-07-10 | A kind of protection crutch of Orthopaedic nursing walk help |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108836760A (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4708154A (en) * | 1985-12-05 | 1987-11-24 | Edwards Robert J | Nonslip crutch foot assembly |
| EP0605935A1 (en) * | 1991-06-17 | 1994-07-13 | Thomas Fetterman | Slip-resistant crutch tip |
| CN2223989Y (en) * | 1995-06-16 | 1996-04-10 | 程建江 | Telescopic shock-absorption walking stick |
| US6138699A (en) * | 1998-11-10 | 2000-10-31 | Max Health Corporation | Anti-slip base for a crutch |
| CN201185706Y (en) * | 2008-04-30 | 2009-01-28 | 程开心 | Skidproof foot joint of walking stick |
| CN201631600U (en) * | 2010-03-16 | 2010-11-17 | 肖诗雨 | Walking stick with convenient replacement of stick tip |
| CN202336022U (en) * | 2011-11-04 | 2012-07-18 | 马丽华 | Rehabilitation nursing crutch for orthopedics department |
| CN202892343U (en) * | 2012-10-11 | 2013-04-24 | 李树国 | Single-pole type walking stick |
| CN105310866A (en) * | 2015-12-04 | 2016-02-10 | 温州大学 | Multifunctional axillary crutch |
| CN205682653U (en) * | 2016-06-16 | 2016-11-16 | 李康 | A kind of cardiothoracic surgery Special walking stick |
| CN106329453A (en) * | 2015-06-17 | 2017-01-11 | 吴江市聚力机械有限公司 | Rubber wire protecting sleeve used for garage |
| CN206641474U (en) * | 2017-04-06 | 2017-11-17 | 郑州大学 | A kind of Multifunction climbing crutch |
| US20180021203A1 (en) * | 2016-07-20 | 2018-01-25 | Medline Industries, Inc | Single Tube Crutch and Method of Nesting and Packaging the Same |
| CN107648018A (en) * | 2017-09-26 | 2018-02-02 | 王政 | A kind of medical crutch with antiskid function |
-
2018
- 2018-07-10 CN CN201810753590.3A patent/CN108836760A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4708154A (en) * | 1985-12-05 | 1987-11-24 | Edwards Robert J | Nonslip crutch foot assembly |
| EP0605935A1 (en) * | 1991-06-17 | 1994-07-13 | Thomas Fetterman | Slip-resistant crutch tip |
| CN2223989Y (en) * | 1995-06-16 | 1996-04-10 | 程建江 | Telescopic shock-absorption walking stick |
| US6138699A (en) * | 1998-11-10 | 2000-10-31 | Max Health Corporation | Anti-slip base for a crutch |
| CN201185706Y (en) * | 2008-04-30 | 2009-01-28 | 程开心 | Skidproof foot joint of walking stick |
| CN201631600U (en) * | 2010-03-16 | 2010-11-17 | 肖诗雨 | Walking stick with convenient replacement of stick tip |
| CN202336022U (en) * | 2011-11-04 | 2012-07-18 | 马丽华 | Rehabilitation nursing crutch for orthopedics department |
| CN202892343U (en) * | 2012-10-11 | 2013-04-24 | 李树国 | Single-pole type walking stick |
| CN106329453A (en) * | 2015-06-17 | 2017-01-11 | 吴江市聚力机械有限公司 | Rubber wire protecting sleeve used for garage |
| CN105310866A (en) * | 2015-12-04 | 2016-02-10 | 温州大学 | Multifunctional axillary crutch |
| CN205682653U (en) * | 2016-06-16 | 2016-11-16 | 李康 | A kind of cardiothoracic surgery Special walking stick |
| US20180021203A1 (en) * | 2016-07-20 | 2018-01-25 | Medline Industries, Inc | Single Tube Crutch and Method of Nesting and Packaging the Same |
| CN206641474U (en) * | 2017-04-06 | 2017-11-17 | 郑州大学 | A kind of Multifunction climbing crutch |
| CN107648018A (en) * | 2017-09-26 | 2018-02-02 | 王政 | A kind of medical crutch with antiskid function |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181120 |