CN220124832U - Intra-articular distance measuring device - Google Patents
Intra-articular distance measuring device Download PDFInfo
- Publication number
- CN220124832U CN220124832U CN202321222657.3U CN202321222657U CN220124832U CN 220124832 U CN220124832 U CN 220124832U CN 202321222657 U CN202321222657 U CN 202321222657U CN 220124832 U CN220124832 U CN 220124832U
- Authority
- CN
- China
- Prior art keywords
- push button
- rod body
- measuring device
- intra
- measurement
- 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.)
- Active
Links
- 238000005259 measurement Methods 0.000 claims abstract description 55
- 238000005452 bending Methods 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims abstract description 7
- 238000004026 adhesive bonding Methods 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 9
- 238000001356 surgical procedure Methods 0.000 claims description 5
- 229910000639 Spring steel Inorganic materials 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 210000001519 tissue Anatomy 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 210000000845 cartilage Anatomy 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 210000000513 rotator cuff Anatomy 0.000 description 2
- 208000024288 Rotator Cuff injury Diseases 0.000 description 1
- 208000002847 Surgical Wound Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Landscapes
- Length-Measuring Instruments Using Mechanical Means (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model discloses an intra-joint distance measuring device, comprising: the outer rod body, the measuring ruler component and the push button component for driving the measuring ruler component to slide by stress. The outer rod body is internally provided with a mounting channel which extends along the length direction and is communicated with the bottom end of the outer rod body, and the side wall of the outer rod body is provided with a push button groove which is communicated with the mounting channel and extends along the length direction of the outer rod body. The push button assembly slides and limits to be located the push button inslot, and the dipperstick subassembly is installed in the installation passageway along the axial slip and is connected the push button assembly, and the dipperstick subassembly includes along the measurement flexible rule of axial extension and atress bending setting, pushes away the button assembly and is used for atress drive dipperstick subassembly along axial slip, and then makes the measurement flexible rule outwards stretch out by the bottom of outer body of rod to measure the distance between two points in the joint. The device can measure the length which forms an angle with the axial direction, has wide application range and flexible measurement, and can meet the measurement of the distance between any two points in the joint.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to an intra-articular distance measuring device.
Background
In arthroscopic surgery, a surgeon often needs to measure the distance between two points within the joint, such as the area of injury to cartilage tissue, the width of the rotator cuff tear, etc. Since arthroscopic surgery is a non-open incision procedure, the surgical incision is typically small, and it is typically difficult to measure the distance between two points in the body, particularly when the distance required to be measured is greater than the size of the incision, or the direction of measurement is angled with respect to the direction of extension of the arthroscopic instrument.
As shown in fig. 1, patent US20080306408A1 discloses a measuring device for measuring the tear depth of tissue, and a method of measuring the tear of tissue using the measuring device, the device having a shaft with a plurality of scale markings thereon and a distal member for measuring the depth of the tissue tear.
This design has the following drawbacks: 1. the measuring shaft of the device is not provided with a bending angle, can only measure axial depth, and cannot measure the distance between any two points of tissues; 2. the device is inconvenient in performing the measurement operation, requiring one hand to hold the handle 9 and the other hand to push the pusher 8.
Disclosure of Invention
The utility model provides an intra-joint distance measuring device which aims to solve the technical problems that the existing measuring device can only measure axial depth and cannot measure the distance between any two points of tissues and is inconvenient to measure.
The technical scheme adopted by the utility model is as follows:
an intra-articular distance measuring device, applied in arthroscopic surgery, the measuring device includes: the outer rod body, the measuring ruler component and the push button component are used for driving the measuring ruler component to slide under the action of the mounting and supporting; the outer rod body is internally provided with a mounting channel which extends along the length direction and is communicated with the bottom end of the outer rod body, and the side wall of the outer rod body is provided with a push button groove which is communicated with the mounting channel and extends along the length direction of the outer rod body; the push button assembly slides and limits to be located the push button inslot, and the dipperstick subassembly is installed in the installation passageway along the axial slip and is connected the push button assembly, and the dipperstick subassembly includes along the measurement flexible rule of axial extension and atress bending setting, pushes away the button assembly and is used for atress drive dipperstick subassembly along axial slip, and then makes the measurement flexible rule outwards stretch out by the bottom of outer body of rod to measure the distance between two points in the joint.
Further, the outer rod body comprises a handle and an outer sleeve which are fixedly connected along the axial direction; the push button groove is axially arranged on the handle; the mounting channel is axially communicated with the handle and the outer sleeve, and the measuring tape stretches out of the outer rod body from the bottom end of the outer sleeve under the pushing of external force.
Further, the bottom end of the outer sleeve is bent and arranged at an angle with the length direction of the outer sleeve, so that the flexible rule and the axial angle measurement of the outer rod body are measured.
Further, the bending angle of the bottom end of the outer sleeve is 0-90 degrees.
Further, the push button assembly comprises a push button for bearing force and a sliding block for guiding; the push button is arranged in the push button groove in a sliding manner, and the upper part of the push button extends out of the push button groove; the sliding block is arranged in the installation channel in a sliding way and is connected with the push button; the upper end of the measuring ruler component is fixedly connected with the sliding block.
Further, the section of the mounting channel in the handle is circular or polygonal; the cross section of the sliding block is round or polygonal which is matched with the cross section of the installation channel in the handle.
Further, the upper surface of the push button, which is contacted with the finger, is a round surface or an axially extending strip surface, and knurling is arranged on the upper surface so as to increase the friction force between the push button and the finger; the push button is fixedly connected with the sliding block in a welding or bolt or gluing mode.
Further, the measuring rule assembly further comprises an inner sleeve for enhancing the strength of the measuring tape in the mounting channel; the inner sleeve is axially arranged in the mounting channel, and the upper end of the inner sleeve is connected with the sliding block; the upper end of the measurement flexible rule is axially fixed in the inner sleeve.
Further, the inner sleeve and the sliding block are fixed into a whole in a welding or gluing mode; the inner sleeve is a hollow tube, and the upper end of the measurement flexible rule extends into the inner sleeve from the lower end of the inner sleeve and is fixed with the inner sleeve into a whole in a welding or gluing mode.
Further, the measurement flexible rule is an elastic rule prepared from plastic materials or spring steel; the section of the measurement flexible rule is rectangular, and scale marks extending along the length direction are arranged on the upper surface and/or the lower surface of the measurement flexible rule; or the section of the measurement flexible rule is circular, and the surface of the measurement flexible rule is provided with scale marks which are arranged in an extending way along the length direction.
The utility model has the following beneficial effects:
the utility model is used for measuring the distance between two points in the human body in non-open operation, such as measuring the damaged area of cartilage tissue, measuring the tearing width of the rotator cuff and the like in arthroscopic operation. During measurement, the measurement flexible rule is pushed out of a proper position to have a required length, and a surgeon directly reads the scales on the measurement flexible rule through the arthroscope display system, so that the length of the measurement position is quickly obtained, the operation is simple and convenient, and the measurement is accurate; on the other hand, because the flexible rule is measured and is bent under the stress, the flexible rule is in a straight state when extending from the bottom end of the outer rod body and can be bent after being stressed, so that the flexible rule can measure the length which is in an angle with the axial direction, has wide application range and flexible measurement, and meets the distance measurement between any two points in the joint.
In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic spatial configuration of a prior art measuring device for measuring the tear depth of tissue;
FIG. 2 is a schematic view showing a space structure of an intra-articular distance measuring device according to a preferred embodiment of the present utility model;
FIG. 3 is a schematic cross-sectional elevation view of the intra-articular distance measuring device of FIG. 2;
FIG. 4 is a schematic diagram showing a cross-sectional front view of the intra-articular distance measuring device of FIG. 2;
FIG. 5 is an enlarged schematic view of the measuring tape of FIG. 2;
fig. 6 is a schematic view showing a space structure of an intra-articular distance measuring device according to a preferred embodiment of the present utility model.
Description of the drawings
2. An outer rod body; 201. a mounting channel; 202. a push button groove; 21. a handle; 22. an outer sleeve; 3. a measuring scale assembly; 31. measuring a flexible rule; 32. an inner sleeve; 4. a push button assembly; 41. a push button; 42. a slide block; 8. pushing heads; 9. a handle.
Detailed Description
Embodiments of the utility model are described in detail below with reference to the attached drawing figures, but the utility model can be practiced in a number of different ways, as defined and covered below.
Referring to fig. 2, a preferred embodiment of the present utility model provides an intra-articular distance measuring device, which is applied to arthroscopic surgery, the measuring device comprising: the outer rod body 2, the measuring ruler component 3 and the push button component 4 for driving the measuring ruler component 3 to slide are arranged and supported. The outer rod body 2 is internally provided with a mounting channel 201 which extends along the length direction and is communicated with the bottom end of the outer rod body, and the side wall of the outer rod body 2 is provided with a push button groove 202 which is communicated with the mounting channel 201 and extends along the length direction of the outer rod body. The push button assembly 4 slides and limits to be located in the push button groove 202, and the dipperstick assembly 3 is installed in the installation passageway 201 along the axial slip and is connected push button assembly 4, and the dipperstick assembly 3 includes along the axial extension and the measurement flexible rule 31 that the atress was buckled and is set up, and push button assembly 4 is used for atress drive dipperstick assembly 3 to slide along the axial, and then makes the measurement flexible rule 31 outwards stretch out by the bottom of outer body of rod 2 to measure the distance between two points in the joint.
When the measuring device is used for operation, the measuring device is firstly inserted into a human body from an operation channel, then the measuring device is observed through an arthroscope, the bottom end of the outer rod body 2 is placed at the starting point of a required measuring position, then the push button assembly 4 is pushed, the push button assembly 4 drives the measuring rule assembly 3 to slide in the mounting channel 201, the measuring flexible rule 31 is pushed out to a required measuring length from the bottom end of the outer rod body 2, finally the scales of the measuring flexible rule 31 are observed through the arthroscope, and the measured value is read.
The utility model is used for measuring the distance between two points in the human body in non-open operation, such as measuring the damaged area of cartilage tissue, measuring the tearing width of the rotator cuff and the like in arthroscopic operation. During measurement, the measurement flexible rule 31 is pushed out of a proper position to have a required length, and a surgeon directly reads the scale on the measurement flexible rule 31 through an arthroscope display system, so that the length of the measurement position is quickly obtained, the operation is simple and convenient, and the measurement is accurate; on the other hand, because the flexible rule 31 is bent under stress and arranged, the flexible rule is in a straight state when extending from the bottom end of the outer rod body 2 and can be bent after being stressed, so that the flexible rule can measure the length which is in an angle with the axial direction, has wide application range and flexible measurement, and can meet the distance measurement between any two points in the joint.
Alternatively, as shown in fig. 3 and 4, the outer rod body 2 includes a handle 21 and an outer sleeve 22 fixedly connected in an axial direction. The push button groove 202 is axially formed on the handle 21. The mounting channel 201 axially communicates the handle 21 and the outer sleeve 22, and the measurement tape 31 is pushed by an external force to extend out of the outer rod body 2 from the bottom end of the outer sleeve 22. In the utility model, the outer rod body 2 is simple in structure and easy to process and prepare.
Preferably, as shown in fig. 3 and 4, the bottom end of the outer sleeve 22 is bent at an angle to the length direction thereof for measuring the axial angle of the tape 31 and the outer rod 2. This structural arrangement of outer tube 22 bottom is convenient for with the directional measurement of device axial certain angle, and measurement operation is simpler, accurate, nimble, better satisfies the measurement of the distance between arbitrary both ends in the joint.
In the preferred scheme, the bending angle of the bottom end of the outer sleeve 22 is 0-90 degrees, so that the processing is convenient, and the requirement of distance measurement between any two ends in the joint is met.
Alternatively, as shown in fig. 3 and 4, the push button assembly 4 includes a push button 41 for force bearing and a slider 42 for guiding. The push button 41 is slidably disposed in the push button slot 202, and the upper portion extends beyond the push button slot 202. The slider 42 is slidably disposed within the mounting channel 201 and is coupled to the push button 41. The upper end of the measuring scale component 3 is fixedly connected with a sliding block 42. When the measuring tape measuring device works, a finger pushes the push button 41 to push the push button 41 by pushing force, the push button 41 drives the sliding block 42 to slide in the mounting channel 201, and then the sliding block 42 drives the measuring tape assembly 3 to slide in the mounting channel 201, so that the measuring tape 31 extends out of the outer rod body 2 from the bottom end of the outer sleeve 22.
Preferably, the mounting channel 201 in the handle 21 is circular or polygonal in cross-section. The cross section of the sliding block 42 is in a round shape or a polygonal shape matched with the cross section of the mounting channel 201 in the handle 21; through the cooperation of slider 42 and mounting channel 201, lead the slip of slider 42, and then lead the slip of dipperstick subassembly 3, prevent effectively that measurement tape 31 from passing in-process rotation to make the measurement more convenient, accurate.
Preferably, as shown in fig. 2 and 6, the upper surface of the push button 41 contacting with the finger is a circular surface or an elongated surface extending in the axial direction, and the upper surface is provided with knurling for increasing the friction force with the finger. The push button 41 is fixedly connected with the slide block 42 by welding or bolts or gluing, and the slide block 42 can also synchronously follow when the push button 41 is pushed to move forwards or backwards.
Optionally, as shown in fig. 3 and 4, the measuring tape assembly 3 further comprises an inner sleeve 32 for enhancing the strength of the measuring tape 31 in the mounting channel 201. The inner sleeve 32 is axially arranged in the mounting channel 201 and has an upper end connected to the slider 42. The upper end of the measuring tape 31 is axially fixed in the inner sleeve 32.
In this alternative, the inner sleeve 32 is fixed in one piece with the slider 42 by welding or gluing. The inner sleeve 32 is a hollow tube, and the upper end of the measurement tape 31 extends into the inner sleeve 32 from the lower end of the inner sleeve 32, and is fixed with the inner sleeve 32 into a whole by welding or gluing.
Optionally, as shown in fig. 5, the measurement flexible rule 31 is an elastic rule made of plastic material or spring steel, and can stretch repeatedly, and is not easy to deform after bending, so as to improve measurement accuracy and service life of the device, and meet the requirement of distance measurement between any two points in the joint. The section of the measurement flexible rule 31 is rectangular, and scale marks extending in the length direction are arranged on the upper surface and/or the lower surface of the measurement flexible rule, so that the measurement flexible rule is convenient to read. Alternatively, the section of the measurement tape 31 is circular, and the surface thereof is provided with graduation marks extending in the longitudinal direction, which is easy to manufacture. In this alternative, the thickness of the measurement tape 31 is 0.2 to 0.5mm, and the graduation value of the graduation is 1mm.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. An intra-articular distance measuring device for use in arthroscopic surgery, the measuring device comprising:
an outer rod body (2) with a mounting and supporting function, a measuring ruler component (3) and a push button component (4) for driving the measuring ruler component (3) to slide under the action of stress;
the outer rod body (2) is internally provided with a mounting channel (201) which extends along the length direction and is communicated with the bottom end of the outer rod body, and the side wall of the outer rod body (2) is provided with a push button groove (202) which is communicated with the mounting channel (201) and extends along the length direction of the outer rod body;
push away button subassembly (4) slip limit and lie in push away button groove (202), dipperstick subassembly (3) are installed in installation passageway (201) along the axial slip and are connected push away button subassembly (4), dipperstick subassembly (3) are including along axial extension and atress bending set up measure flexible rule (31), push away button subassembly (4) are used for atress drive dipperstick subassembly (3) along axial slip, and then make measure flexible rule (31) outwards stretch out by the bottom of outer body of rod (2) to measure the distance between two points in the joint.
2. The intra-articular distance measuring device of claim 1, wherein,
the outer rod body (2) comprises a handle (21) and an outer sleeve (22) which are fixedly connected along the axial direction;
the push button groove (202) is axially arranged on the handle (21);
the mounting channel (201) is axially communicated with the handle (21) and the outer sleeve (22), and the measuring tape (31) is pushed by external force to extend out of the outer rod body (2) from the bottom end of the outer sleeve (22).
3. The intra-articular distance measuring device of claim 2, wherein,
the bottom end of the outer sleeve (22) is bent and arranged at an angle with the length direction of the outer sleeve, so that the flexible rule (31) and the axial angle measurement of the outer rod body (2) are measured.
4. The intra-articular distance measuring device of claim 3, wherein,
the bending angle of the bottom end of the outer sleeve (22) is 0-90 degrees.
5. The intra-articular distance measuring device of claim 2, wherein,
the push button assembly (4) comprises a push button (41) for bearing force and a sliding block (42) for guiding;
the push button (41) is arranged in the push button groove (202) in a sliding way, and the upper part extends out of the push button groove (202);
the sliding block (42) is arranged in the mounting channel (201) in a sliding way and is connected with the push button (41);
the upper end of the measuring ruler component (3) is fixedly connected with a sliding block (42).
6. The intra-articular distance measuring device of claim 5, wherein,
the section of the mounting channel (201) in the handle (21) is circular or polygonal;
the cross section of the sliding block (42) is round or polygonal which is matched with the cross section of the installation channel (201) in the handle (21).
7. The intra-articular distance measuring device of claim 5, wherein,
the upper surface of the push button (41) contacted with the finger is a round surface or an axially extending strip surface, and knurling is arranged on the upper surface for increasing the friction force with the finger;
the push button (41) is fixedly connected with the sliding block (42) through welding or bolts or gluing.
8. The intra-articular distance measuring device of claim 5, wherein,
the measuring scale assembly (3) further comprises an inner sleeve (32) for enhancing the strength of the measuring tape (31) in the mounting channel (201);
the inner sleeve (32) is axially arranged in the mounting channel (201), and the upper end of the inner sleeve is connected with the sliding block (42);
the upper end of the measurement flexible rule (31) is axially fixed in the inner sleeve (32).
9. The intra-articular distance measuring device of claim 8, wherein,
the inner sleeve (32) and the sliding block (42) are fixed into a whole in a welding or gluing way;
the inner sleeve (32) is a hollow tube, the upper end of the measurement flexible rule (31) extends into the inner sleeve (32) from the lower end of the inner sleeve (32), and is fixed with the inner sleeve (32) into a whole by welding or gluing.
10. The intra-articular distance measuring device of claim 1, wherein,
the measuring flexible rule (31) is an elastic rule prepared from plastic materials or spring steel;
the section of the measurement flexible rule (31) is rectangular, and graduation lines extending along the length direction are arranged on the upper surface and/or the lower surface of the measurement flexible rule; or alternatively
The section of the measurement flexible rule (31) is circular, and the surface of the measurement flexible rule is provided with scale marks which are arranged in an extending manner along the length direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321222657.3U CN220124832U (en) | 2023-05-19 | 2023-05-19 | Intra-articular distance measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321222657.3U CN220124832U (en) | 2023-05-19 | 2023-05-19 | Intra-articular distance measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220124832U true CN220124832U (en) | 2023-12-05 |
Family
ID=88954010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321222657.3U Active CN220124832U (en) | 2023-05-19 | 2023-05-19 | Intra-articular distance measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220124832U (en) |
-
2023
- 2023-05-19 CN CN202321222657.3U patent/CN220124832U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6427351B1 (en) | Arthroscopic measuring device | |
| JP2004535863A5 (en) | ||
| EP2080474A8 (en) | Internal diameter measurement device | |
| JP2009511202A (en) | Depth gauge | |
| CA2451150A1 (en) | Urethral profiling device & methodology | |
| DE60042705D1 (en) | MARKING SYSTEM FOR MEDICAL INSTRUMENT | |
| DE60037731D1 (en) | Markers for a medical endoscopic device | |
| US10743958B2 (en) | Round depth gauge | |
| WO2004045672A3 (en) | Variable curve catheter | |
| WO2010088383A1 (en) | Apparatus and method for the extramedullary location of the mechanical axis of a femur | |
| US8784428B2 (en) | Device for measuring the degree of bending of an intramedullary nail | |
| US20020104230A1 (en) | Flexible measurement device | |
| CN220124832U (en) | Intra-articular distance measuring device | |
| KR101563737B1 (en) | Trauma surgery depth gauge | |
| CN202161298U (en) | Measuring device of peritoneoscope | |
| JP2001137248A (en) | Sampler | |
| EP1219918A3 (en) | Position transducer | |
| EP4169445A1 (en) | Device for measuring depth of an internal feature | |
| CN212879306U (en) | Skin test skin dune measuring ruler | |
| CN211270767U (en) | Arthroscope measuring device | |
| CN209048204U (en) | Laparoscopic instrument measurement external member and laparoscope measuring apparatus | |
| KR20210121331A (en) | Trauma surgery depth gauge | |
| DE69404852D1 (en) | MEASURING DEVICE FOR MARKER CHANNEL | |
| CN115531083A (en) | Multidirectional measurer for ear surgery | |
| US20180353255A1 (en) | Laparoscopic measuring devices and methods of laparoscopic measuring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |