CN107874815A - Medical boring cutter - Google Patents
Medical boring cutter Download PDFInfo
- Publication number
- CN107874815A CN107874815A CN201610875379.XA CN201610875379A CN107874815A CN 107874815 A CN107874815 A CN 107874815A CN 201610875379 A CN201610875379 A CN 201610875379A CN 107874815 A CN107874815 A CN 107874815A
- Authority
- CN
- China
- Prior art keywords
- boring cutter
- blade portion
- medical
- handle
- destination organization
- 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
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B2017/320064—Surgical cutting instruments with tissue or sample retaining means
Abstract
The invention provides a kind of medical boring cutter, the medical boring cutter includes tool parts and connects the portion of the handle of tool parts, the tool parts include guide portion, blade portion and cutting part, the guide portion is arranged at the distal end in blade portion, for cutting destination organization, so that tool parts enter destination organization, the cutting part is arranged at the near-end in blade portion, for perforate on the target tissue and removes in destination organization positioned at the particular organization of tapping.The medical boring cutter of the present invention cuts off destination organization by the cutting part of blade portion near-end and removes the particular organization of tapping, so, cutting, taking-up, removal operate together, reduce the operating time of cutting perforate, the operating process of cutting perforate is simplified simultaneously, moreover, the grasping mechanism for grasping cut tissue is eliminated, it is simple in construction.
Description
Technical field
The present invention relates to technical field of medical instruments, more particularly to a kind of perforate in heart, Wei Deng biological tissues is opened
Hole knife.
Background technology
As the development of lifting and the operation that becomes more meticulous of medical level, operating theater instruments are also more diversified and specialized.Its
Middle partial surgical needs to carry out tap operation in organs such as heart, stomaches.Such as ventricular assist device is rescued applied to Patients with Cardiac Failure
, it is necessary in the position perforate such as the apex of the heart or heart when controlling, it is allowed to match with the inlet part of ventricular assist device, therefore, perforate
Quality directly affect operation success or failure.
The tap operation commonly used in clinical at present is first to be consolidated medical line or other instruments with destination organization by doctor
It is fixed, destination organization is cut using scalpel or circular knife afterwards, passed through removed destination organization after completing cutting
Medical line or other instruments remove.
Or however, in the prior art implement tap operation operation tool it is complicated, it is cumbersome, it is desirable to doctor have
Standby higher operation is horizontal, is dropped the risk in perforate or destination organization be present, malpractice easily occurs.
In order to solve the risk that destination organization easily drops, in Chinese patent application CN104997552A, disclose outside one kind
Section's boring cutter and its application method.In that patent, the surgery boring cutter includes cylinder knife and grasping mechanism, the cylinder knife
In a tubular form and including with cylindrical shape blade, proximally and distally, the grasping mechanism comprises at least the body of rod and head, described
Head be one around cylinder knife axis rotation pierce cut organization internal and with cut tissue produce extruding annexation, enter
And fix the entity that grasping is cut tissue.But the surgery boring cutter is used for, it is necessary to operate grasping mechanism in operation
Grasping is cut tissue, adds operating time and complexity, moreover, the grasping mechanism during grasping, is easily present
The risk that chip and cut tissue drop.
The content of the invention
It is an object of the invention to provide a kind of medical boring cutter, to solve to implement the operation of tap operation in the prior art
One in the problem of tool construction is complicated, chip and cut tissue easily drop in operation inconvenience and Tapping procedures or
It is multiple.
To achieve the above object and other related purposes, the invention provides a kind of medical boring cutter, including cutter part
Divide and connect the portion of the handle of the tool parts；The tool parts include guide portion, blade portion and cutting part；It is described to draw
The portion of leading is arranged at the distal end in the blade portion, for cutting destination organization, so that the tool parts enter destination organization；It is described
Cutting part is arranged at the near-end in the blade portion, for the perforate on the destination organization and removes in destination organization positioned at described
The particular organization of tapping.
Preferably, the blade portion has been internally formed a memory space, and the near-end in the blade portion has an opening, institute
State opening with the memory space to be connected, the memory space is used to house the removed particular organization.
Preferably, the medical boring cutter also includes being movably arranged on the portion of the handle and compressing part, for
After the tool parts enter the destination organization, the destination organization is compressed outside destination organization, it is described specific to constrain
The displacement of tissue.
Preferably, the part that compresses is formed by the sliding block being slidably arranged on the portion of the handle.
Preferably, the quantity of the guide portion is one or more.
Preferably, the guide portion is made up of one or more blades.
Preferably, when the guide portion is multiple, the intersecting arrangement of multiple guide portions.
Preferably, multiple guide portions are arranged in star arrangement or in right-angled intersection.
Preferably, the flat or outwardly out-of-flatness shape in the distal end in the blade portion.
Preferably, the distal end in the blade portion is tapered.
Preferably, the portion of the handle includes the handle that is connected with the blade portion, and respectively with the handle and knife
The connecting rod of body portion connection.
Preferably, the medical boring cutter also includes the gear part being arranged on the portion of the handle, to limit the knife
Tool part enters the depth of destination organization.
Preferably, the axis of the portion of the handle overlaps with the axis of the tool parts.
Compared with prior art, medical boring cutter of the invention cuts off destination organization simultaneously by the cutting part of blade portion near-end
The particular organization of tapping is removed, so, cutting, taking-up, removal operate together, reduce the operating time of cutting perforate, together
When simplify the operating process of cutting perforate, it is simple in construction moreover, eliminate the grasping mechanism for grasping cut tissue.
Especially, medical boring cutter of the invention makes particular organization in breaking moment, and blade is fallen directly into operation is taken out
Portion, in this way, the risk that cut-off particular organization easily drops during by grasping is reduced, moreover, also solving grasping
The mechanism chip to be formed that drills easily drops into the problem of perforate, it is ensured that the security of operation.
Brief description of the drawings
Fig. 1 is the schematic diagram of the medical boring cutter of one embodiment of the invention, and the wherein distal end in blade portion is outwardly
Out-of-flatness shape；
Fig. 2 is the axial sectional view of the medical boring cutter shown in Fig. 1；
Fig. 3 is the schematic perspective view of the medical boring cutter of one embodiment of the invention, and the wherein distal end in blade portion is smooth shape.
Description of symbols in figure is as follows：
The medical boring cutters of 10-；
11- tool parts；111- leaders；112- blades part；113- cutting parts；114- memory spaces；
12- portion of the handle；121- handles；122- connecting rods；123- gear parts；
13- compresses part.
Embodiment
To make the purpose of the present invention, advantages and features clearer, below in conjunction with 1~3 couple of doctor proposed by the present invention of accompanying drawing
It is described in further detail with boring cutter.It should be noted that accompanying drawing using very simplified form and using it is non-accurately
Ratio, only for the purpose of facilitating and clarifying the purpose of the embodiments of the invention.
As used in the specification and the appended claims, singulative "a", "an" and "the" includes
Plural reference, in addition to non-content explicitly points out in addition.Such as used in the specification and the appended claims, term "or"
Typically used with the implication including "and/or", in addition to non-content explicitly points out in addition.
First, refering to Fig. 1 and Fig. 2, Fig. 1 is the schematic diagram of the medical boring cutter of one embodiment of the invention, and Fig. 2 is Fig. 1 institutes
The axial sectional view of the medical boring cutter shown, the medical boring cutter 10 of the present embodiment are used to cut perforate in biological tissue, institute
It is, for example, the organ-tissues such as heart, stomach to state biological tissue.
As shown in Fig. 1~2, the medical boring cutter 10 includes tool parts 11 and connects the Handheld Division of tool parts 11
Divide 12.The tool parts 11 include guidance part 111, blade portion 112 and cutting part 113.The guidance part 111 is arranged on knife
The distal end in body portion 112, for cutting destination organization under the operation of portion of the handle 12, so that tool parts 11 enter target group
Knit.The cutting part 113 is arranged on the near-end in blade portion 112, for being opened on the target tissue under the operation of portion of the handle 12
Hole simultaneously removes the particular organization in destination organization, and the particular organization in the present invention refers to the part mesh positioned at the tapping
Mark tissue.As shown in Fig. 2 in the present embodiment, the blade portion 112 is that the combination of cylinder and centrum and being internally formed is deposited
Space 114 is stored up, the near-end in the blade portion 112 has an opening (non-label), and the opening is connected with memory space 114,
So that be cut the particular organization that portion 113 is cut off falls into memory space 114 by the opening.
The operation principle of the medical boring cutter 10 of the present embodiment is：When the tool parts 11 are in the operation of portion of the handle 12
After cutting destination organization by guide portion 111 down, the tool parts 11 enter destination organization entirely through otch, afterwards, lead to
Cross portion of the handle 12 and take out tool parts 11, and during taking-up, the tool parts 11 pass through its cutting part 113 and cut off target
Organize the formation of perforate, it is preferable that cut-off particular organization falls into memory space 114 by the opening of the near-end of blade portion 112.
Hold, the medical boring cutter 10 of the present embodiment, destination organization is cut off by the cutting part 113 of the near-end of blade portion 112
And the particular organization of tapping is removed, so, cutting, taking-up, removal operate together, reduce the operating time of cutting perforate,
The operating process of cutting perforate is simplified simultaneously, moreover, the grasping mechanism for grasping cut tissue is eliminated, structure letter
Change.Especially, the medical boring cutter 10 of the present embodiment makes particular organization fall directly into knife with operation is taken out in cut-off moment
Body portion 112, in this way, the risk that cut-off particular organization easily drops during by grasping is reduced, moreover, also solving
The grasping mechanism chip to be formed that drills easily drops into the problem of perforate, it is ensured that the security of operation.
In the present embodiment, the medical boring cutter 10 also includes being movably arranged on portion of the handle 12 compressing part 13.
After tool parts 11 enter destination organization, the part 13 that compresses is used to compress the destination organization outside destination organization,
To constrain the displacement of particular organization, so as to avoid particular organization from influenceing cutting tap operation, lifting cutting perforate because of contraction distortion
The accuracy of operation.
Further, the part 13 that compresses of the present embodiment is formed by the sliding block being slidably arranged on portion of the handle 12, in cutter
After the entirety of part 11 enters destination organization, destination organization, simple to operate, user can rapidly be compressed by mobile sliding block
Just.The sliding block is for example rounded or other shapes, the present invention do not limit particularly.
Further, the guidance part 111 is made up of blade, and the blade of the blade is configured to object-oriented tissue.Institute
The quantity for stating guide portion 111 can be one or more, be configured with specific reference to being actually needed.Further, the blade
Shape include but is not limited to wicker leaf shape, taper or zigzag.
In the present embodiment, the quantity of the guide portion 111 is multiple the intersecting arrangement of multiple guide portions 111, such as Fig. 1
Shown in Fig. 2.According to disclosed in Fig. 1 to Fig. 2, each guide portion 111 is made up of a tapered blade, to implement to cut simultaneously
Operation.Preferably, multiple guide portions 111 are arranged in star arrangement or right-angled intersection.In fig. 1 and 2, the guide portion 111
Quantity for four and in right-angled intersection arrange, to form " cross " otch.
In the present embodiment, the cutting part 113 in a ring, with reason set of blades into.It is preferred that the cutting part 113 with
Blade portion 112 is integrally formed, specifically, the near-end in the blade portion 112 is directly configured to the structure with circular blade, with structure
Into cutting part 113.Similarly, the cutting part 113 can be made up of the blade of the shapes such as wicker leaf shape, taper or zigzag, tool
Body does not limit, as long as the perforate that destination organization forms annular can be cut off.
In preferred version, the 112 at least one of shape of blade portion (i.e. the shape of the cross section of blade part 112)
Match with the shape (i.e. the shape of the cross section of perforate) of perforate, such as circle, ellipse etc..It is further preferable that the knife
The shape in the region where body portion 112 and cutting part 113 matches with perforate, specifically, the shape of the near-end of blade portion 112
Shape is adjusted with the shape of perforate.
In the present embodiment, the blade portion 112 also includes the distal end relative with its near-end, and also including connection near-end and far
The blade body at end, the blade body are hollow structure, and the inside of the hollow structure just forms above-mentioned memory space 114.
In another embodiment, the distal end in the blade portion 112 is configured to the end of smooth shape, the i.e. distal end of blade portion 112
Face is a plane (being shown in Fig. 3, it is the schematic perspective view of the medical boring cutter of one embodiment of the invention), the guide portion
111 quantity is one, and the blade that a guide portion 111 is arranged by right-angled intersection forms, to cut shape on the target tissue
Into " cross " otch.
In other embodiments of the invention, the distal end in the blade portion 112 is configured to outwardly out-of-flatness shape,
I.e. the end face of the distal end of blade portion 112 is a three-dimensional space curved surface.The three-dimensional space curved surface can be conical camber (such as Fig. 1
Shown in Fig. 2), sphere curved surface or other curved surfaces.
As preferred embodiment, above-mentioned blade portion 112, guide portion 111 and cutting part 113 are integral type structure.
With continued reference to Fig. 1 and Fig. 2, the portion of the handle 12 includes the handle 121 being connected with blade portion 112, and operator is led to
Cross handle 121 and put on tool parts 11, to implement to promote, cut, taking-up action.
The handle 121 preferably connects blade portion 112 by a connecting rod 122.The connecting rod 122 and blade portion
112 can be that non-dismountable formula connects, such as laser welding, can also be detachable connection, preferably detachable connection.Can
The mode such as by screw thread, snap-on is detachably connected with to realize.
As shown in Fig. 2 the inner chamber bottom surface that the connecting rod 122 is stretched into blade portion 112 with blade portion 112 is fixedly connected.
In other embodiments, the connecting rod 122 terminates in the near-end in blade portion 112, and is fixedly connected with the near-end in blade portion 112,
Such as：A support bar parallel to proximal end face is set at the proximal openings in blade portion 112, and (quantity can be one or more
Root) so that one end of connecting rod 122 is directly fixedly connected with the support bar.To the connecting rod 122 and blade portion 112
Connected mode and link position, the present invention have no particular limits.
In preferred scheme, some salient points or some cuttings are provided with the outer surface of the handle 121, to increase contact surface
Roughness lift frictional force, so as to the operating performance of lifting handle 121.
It is preferred that being provided with gear part 123 on the handle 121, the gear part 123 enters for limiting tool parts 11
The depth of destination organization.Specifically, the gear part 123 is used to limit the force application part of operator along the axial direction of handle 121
Moving displacement, to avoid force application part from being axially moveable in operation, influence the using effect of handle 121.
The gear part 123 and handle 121 are preferably integral structure, such as in the scheme shown in Fig. 1 to Fig. 2, it is described
Handle 121 is " T fonts " structure, and the horizontal component for being somebody's turn to do " T fonts " structure forms the gear part 123 of the present embodiment, simultaneously
Vertical portion forms the handle 121 of the present embodiment, so so that handle 121 is provided simultaneously with the function of operation and gear, simplifies
Structure.
The force application part for being used for operator's operation in the present embodiment, on the handle 121 can be rectilinear structure, also may be used
To be curved configuration, the force application part of operator's operation handle 121, which is realized, to be promoted, cuts, taking out operation.
Further, the axis of the tool parts 11 of the present embodiment and portion of the handle 12 overlaps, compared to out-of-alignment cutter
Part 11 and portion of the handle 12, such setting, structure is more simple, and operation is more convenient, flexible.
Further, the application method of the medical boring cutter 10 based on above-described embodiment, comprises the following steps：
S1 positioning actions：The positioning of medical boring cutter 10 is positioned over target tissue region, and makes the axle of medical boring cutter 10
The center of line alignment target tissue；
S2 cutting operations：Portion of the handle 12 is gripped, tool parts 11 are pushed into destination organization, in push-on process, make guiding
Destination organization is cut in portion 111 first, afterwards, blade portion 112 and cutting part 113 is pushed further into destination organization；
S3 takes out operation：Portion of the handle 12 is gripped, and operates portion of the handle 12 and takes out tool parts 11, during taking-up,
Cutting part 113 is cut off destination organization and cut-off particular organization is fallen into memory space by the opening of the near-end of blade portion 112
114。
In step S2 cutting operations, when the cutting part 113 is fully located at the inside of destination organization, it is dynamic to stop push-in
Make, and the part 13 that compresses being made up of sliding block is moved to outside destination organization and compresses destination organization.
In step S3 takes out operation, mainly moved along a straight line by operation handle 121 or (and) rotary motion takes out knife
Has part 11.
It should be noted that the part 13 that compresses of the present embodiment is particularly suitable for using when cutting sclerenchyma, with
Cutting parenchymal tissue is compared, and using effect is more preferable.Specifically, when cutting sclerenchyma, in the case where compressing the stop of part 13,
In addition to destination organization is compressed, it can also force cut-off particular organization to enter blade portion 112, be easy to carry out tissue removing.This reality
The sliding block of example is applied, preferably its shape and the shape in blade portion 112 matches, to ensure to compress and blocking effect.
Presently preferred embodiments of the present invention is as described above, but be not limited to the scope disclosed in above-described embodiment, such as handle
121 structure, handle 121 and connected mode, the shape of tool parts 11 and the structure for compressing part 13 in blade portion 112
Deng.
In the present invention, if without particularly illustrating, near-end refers to close to the direction of medical boring cutter operator, distal end
Refer to the direction away from medical boring cutter operator.
In summary, medical boring cutter of the invention, compared with prior art, cut off by the cutting part of blade portion near-end
Destination organization and the particular organization for removing tapping, so, cutting, taking-up, removal operate together, reduce the behaviour of cutting perforate
Make the time, while simplify the operating process of cutting perforate, moreover, the grasping mechanism for grasping cut tissue is eliminated,
It is simple in construction.
Especially, medical boring cutter of the invention makes particular organization in breaking moment, and blade is fallen directly into operation is taken out
Portion, in this way, the risk that cut-off particular organization easily drops during by grasping is reduced, moreover, also solving grasping
The mechanism chip to be formed that drills easily drops into the problem of perforate, it is ensured that the security of operation.
Upper description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, the present invention
Any change, the modification that the those of ordinary skill in field does according to the disclosure above content, belong to the protection model of claims
Enclose.
Claims (13)
- A kind of 1. medical boring cutter, it is characterised in that the portion of the handle including tool parts and the connection tool parts；Institute Stating tool parts includes guide portion, blade portion and cutting part；The guide portion is arranged at the distal end in the blade portion, for cutting Destination organization, so that the tool parts enter destination organization；The cutting part is arranged at the near-end in the blade portion, for On the destination organization perforate and remove in destination organization be located at the tapping particular organization.
- 2. medical boring cutter as claimed in claim 1, it is characterised in that the blade portion has been internally formed storage sky Between, the near-end in the blade portion has an opening, and the opening is connected with the memory space, and the memory space is used to receive Hold the removed particular organization.
- 3. medical boring cutter as claimed in claim 1, it is characterised in that the medical boring cutter also includes being movably arranged on institute State and compress part on portion of the handle, for the tool parts enter the destination organization after, outside the destination organization Portion compresses the destination organization, to constrain the displacement of the particular organization.
- 4. medical boring cutter as claimed in claim 3, it is characterised in that the part that compresses is by being slidably arranged in described hold Sliding block on part is formed.
- 5. the medical boring cutter as described in any one in Claims 1-4, it is characterised in that the quantity of the guide portion is It is one or more.
- 6. medical boring cutter as claimed in claim 5, it is characterised in that the guide portion is made up of one or more blades.
- 7. medical boring cutter as claimed in claim 6, it is characterised in that when the guide portion for it is multiple when, it is multiple described to draw Lead the intersecting arrangement in portion.
- 8. medical boring cutter as claimed in claim 7, it is characterised in that multiple guide portions are in star arrangement or in cross Arranged crosswise.
- 9. medical boring cutter as claimed in claim 8, it is characterised in that the distal end in the blade portion is flat or convex The out-of-flatness shape gone out.
- 10. medical boring cutter as claimed in claim 8, it is characterised in that the distal end in the blade portion is tapered.
- 11. the medical boring cutter as described in any one in Claims 1-4, it is characterised in that the portion of the handle include with The handle of the blade portion connection, and the connecting rod being connected respectively with the handle and blade portion.
- 12. medical boring cutter as claimed in claim 1, it is characterised in that the medical boring cutter is also described including being arranged on Gear part on portion of the handle, to limit the depth that the tool parts enter destination organization.
- 13. the medical boring cutter as described in any one in Claims 1-4, it is characterised in that the axis of the portion of the handle Overlapped with the axis of the tool parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610875379.XA CN107874815A (en) | 2016-09-30 | 2016-09-30 | Medical boring cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610875379.XA CN107874815A (en) | 2016-09-30 | 2016-09-30 | Medical boring cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107874815A true CN107874815A (en) | 2018-04-06 |
Family
ID=61769244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610875379.XA Pending CN107874815A (en) | 2016-09-30 | 2016-09-30 | Medical boring cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107874815A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070167968A1 (en) * | 2006-01-13 | 2007-07-19 | Rajesh Pandey | Surgical tool for coring precise holes and providing for retrieval of tissue |
| WO2010087975A1 (en) * | 2009-01-30 | 2010-08-05 | St. Jude Medical, Inc. | Transapical mini-introducer homeostasis valve and punch |
| CN203609474U (en) * | 2013-10-23 | 2014-05-28 | 北京航天控制仪器研究所 | Ventricular wall hole puncher |
| CN104352267A (en) * | 2014-08-25 | 2015-02-18 | 淮海工业集团有限公司 | Heart perforating scalpel |
-
2016
- 2016-09-30 CN CN201610875379.XA patent/CN107874815A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070167968A1 (en) * | 2006-01-13 | 2007-07-19 | Rajesh Pandey | Surgical tool for coring precise holes and providing for retrieval of tissue |
| WO2010087975A1 (en) * | 2009-01-30 | 2010-08-05 | St. Jude Medical, Inc. | Transapical mini-introducer homeostasis valve and punch |
| CN203609474U (en) * | 2013-10-23 | 2014-05-28 | 北京航天控制仪器研究所 | Ventricular wall hole puncher |
| CN104352267A (en) * | 2014-08-25 | 2015-02-18 | 淮海工业集团有限公司 | Heart perforating scalpel |
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Application publication date: 20180406 |