CN203841742U - Suction type nerve root dragging hook convenient to clean - Google Patents
Suction type nerve root dragging hook convenient to clean Download PDFInfo
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- CN203841742U CN203841742U CN201420277298.6U CN201420277298U CN203841742U CN 203841742 U CN203841742 U CN 203841742U CN 201420277298 U CN201420277298 U CN 201420277298U CN 203841742 U CN203841742 U CN 203841742U
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- pull bar
- nerve root
- drag hook
- suction
- convenient
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Abstract
A suction type nerve root dragging hook convenient to clean comprises a dragging hook body, a dragging rod is connected to the dragging hook body, a suction tube is arranged in the dragging rod, and an anti-blocking ring is arranged at the position of a suction opening of the dragging rod. The suction type nerve root dragging hook convenient to clean has the advantages that the structure is reasonable, using is convenient, the effect of sucking surgery blood away in surgery can be achieved by mounting the suction tube, the surgery blood is prevented from blocking the field of view of a doctor, and it is ensured that the surgery can be conducted normally; furthermore, only the suction tube needs to be replaced in the replacement process, and replacement cost is low; in addition, a protection part enables the effect of soft contact to be achieved when the dragging hook body makes contact with the tissue near a surgical part, and the tissue near the surgical part cannot be stabbed to be wounded; nerve roots can be prevented from being embedded into an inner bending part and a buffering part through the inner bending part and the buffering part, it is ensured that the nerve roots of a patient do not suffer any damage, the body health of the patient is protected, the using effect is good, and popularization is facilitated.
Description
Technical field
This utility model relates to a kind of operation on spinal cord operating theater instruments, is especially a kind ofly convenient to clean aspiration-type nerve root retractor.
Background technology
At present; spinal surgeons operation on spinal cord when operation in carrying out canalis spinalis; just conventionally all need near spinal cord operating field or nerve root to push aside and can obtain the sufficient visual field and perform the operation, in order to protect spinal cord or nerve root conventionally all to utilize nerve root retractor to realize.But in carrying out canalis spinalis during operation technique due near organize the factors such as oozing of blood that doctor's the visual field is usually hindered, at this moment doctor need to utilize suction pump ceaselessly to siphon away to ooze out blood, and increase suction pump, operate the surgical field of view that can affect doctor, even disturb doctor's operation, the operating time of incuring loss through delay doctor, causes the reduction of operation efficiency.And because the prolongation of operating time can cause the situations such as the time of patient's post-operative recovery is longer, and complication increases.
On market, also there are some when operation, to have the nerve root retractor of suction function concurrently at present.For example the patent No. is 97217554.7,90221377.6 and 200820176236.0 the disclosed nerve root retractor of Chinese utility model patent, is all to attract operative region blood by offering in drag hook compared with small through hole.Channel diameter in drag hook is often less, and its suction function is limited, usually do not reach the requirements of operation of clean operating field, and duct is easily stopped up by blood clot or tissue debris, after operation, blood clot is often trapped in hole He in hollow bar and is difficult for cleaning up, after sterilization, do not reach the aseptic requirement of operating theater instruments, therefore, reuse factor is low, and the disclosed nerve root retractor of the Chinese utility model patent that the patent No. is 200820176236.0 arranges cold light source and is used for increasing the doctor visual field on drag hook, but this cold light source is arranged on the blood that can make to perform the operation on drag hook to be infected with or to penetrate in cold light source, thereby cause, cold light source light is fuzzy even to be damaged, cause cold light source to use, and need to change cold light source, increased production cost, result of use is poor.
Also have the Chinese utility model patent that the patent No. is 200820208762.0 to disclose a kind of suction pump with nerve root retractor.Because nerve root retractor is attached on suction pump, be merely able to rotate on the connecting rod of suction pump, and cannot realize the effect moving freely in space, in when operation because nerve root retractor position is limited, make doctor operate very inconvenience, do not reach the object that increases the visual field, cause operating time to extend, the work efficiency that has reduced doctor, result of use is poor.
Utility model content
This utility model will solve the problem that above-mentioned prior art exists, a kind of clean aspiration-type nerve root retractor of being convenient to is provided, simple and reasonable, easy to use, and it is clean to be convenient to dismounting, while avoiding doctor to operate when using, accidentally injure surrounding tissue, be conducive to operation and carry out smoothly, met clinical practice requirements of one's work.
This utility model solves the technical scheme that its technical problem adopts: be thisly convenient to clean aspiration-type nerve root retractor, comprise one when performing the operation in doctor carries out canalis spinalis by spinal cord near nerve root or dural sac pushes aside so that the drag hook of broadening doctor surgical field of view, on drag hook, be connected with for driving drag hook to push the pull bar of nerve root aside, in pull bar, be provided with passage, in passage, there is the suction catheter that siphons away operative site oozing of blood, suction catheter directly arrives operative region by its suction side of passage, the port of export is connected with vacuum extractor leather hose by conduit, on the port of export of suction catheter, be connected with two pass joints, two pass joints are arranged in the passage of pull bar, one end of two pass joints is threaded connection in the passage that mode is arranged on pull bar, the other end of two pass joints is connected with for operation blood being imported to the conduit of vacuum extractor.After arranging like this, rational in infrastructure, during use, doctor operates pull bar and drives drag hook that nerve root is pushed aside; In case of operating field has oozing of blood impact operation, suction catheter can be inserted to pull bar passage, and tighten two pass joints and be fixed on pull bar, then with conduit, be connected with suction pump, open suction pump, the blood of operative site just siphons away by suction catheter, and visual field blood just can not hinder doctor's the visual field, facilitate doctor's operation technique, operation can be carried out smoothly.
Because the suction inlet place of pull bar is provided with anti-blocking circle, anti-blocking circle can all be blocked the space producing between suction catheter and passage, and suction catheter is when drawing visual area oozing of blood like this, and blood just can not be collected in the space between suction catheter and passage.This set had both guaranteed the pressure of suction catheter abundance, also avoided the space between suction catheter and passage can be infected with obstruction by blood, after having performed the operation, two pass joints are disassembled from conduit, again suction catheter is disassembled from two pass joints, then the anti-blocking circle on suction catheter and pull bar is cleaned, very convenient.
The outer of drag hook is provided with for preventing the protection department of drag hook outer accidental injury myeloid tissue, and the outer surface of described protection department is the setting of evagination cambered surface state.Because doctor is in operation process, drag hook inevitably can contact with patient's tissue, after arranging like this, the outer surface of protection department is the setting of cambered surface state, and the outer surface evagination of protection department, in the process of contact, because the surface of protection department is cambered surface, just can avoid the sharp parts tissue of operative site that stabs, and realize the effect of soft contact, good buffering function, can not be damaged to patient's health tissues, operation can be carried out smoothly, avoided patient health tissue to be affected, can reach best therapeutic effect.
The junction of protection department and drag hook is provided with and is the buffer part that cambered surface state arranges, and cambered surface buffer part is the setting of indent state.Because can need to constantly stirring nerve root in operation process, doctor increases surgical field of view, and nerve root is easy to landing in the edge of drag hook in doctor constantly stirs, it is in order to prevent that nerve root is embedded into the junction of protection department and drag hook that buffer part is arranged to inner concave arc surface state, can allow if desired drag hook depart from fast nerve root, make drag hook in use can not be damaged to nerve root, guaranteed carrying out smoothly of operation, guaranteed the healthy of patient, result of use is good.
The junction of drag hook inner surface and pull bar is provided with for preventing that nerve root is stuck in the interior turn of bilge of this junction simultaneously, and the surface of interior turn of bilge is the setting of cambered surface state.Interior turn of bilge is provided for preventing that nerve root is stuck in the junction of drag hook inner surface and pull bar like this, because the surface of interior turn of bilge is the setting of cambered surface state, be conducive to nerve root and on the surface of this interior turn of bilge, keep stable, can not be stuck in this junction Anywhere, drag hook and pull bar leave and can depart from nerve root, can not have any impact to nerve root, operation can be carried out smoothly, result of use is good.
On pull bar, be connected with for allowing doctor control the handle of convenient operation pull bar.After arranging like this, adopt handle conveniently to allow doctor control, convenient operation pull bar drives drag hook to move with the hand nerve root, easy to use.
The surface of handle is provided with one group of anti-slip tank for preventing that doctor's hand from sliding.After having anti-slip tank on handle and arranging, when doctor holds handle, its palm has partly and is embedded in anti-slip tank, during operation, between palm and handle, just there will not be sliding phenomenon, thereby in doctor's operation process, handle just can not slide doctor on hand, guaranteed to perform the operation and can carry out smoothly, can not cause nerve root retractor to be damaged to patient tissue because handle slides, avoid postoperative complication to occur, result of use be good.
The effect that this utility model is useful is: be of the present utility modelly convenient to clean aspiration-type nerve root retractor, rational in infrastructure, easy to use, by suction catheter is installed, can realize the effect that siphons away operating field blood when performing the operation, suction catheter connects with two pass joints in passage, has set bolt on pull bar, fixation, can also regulation depth, the suction that suction catheter has common suction catheter can prevent that operating field blood from hindering doctor's the visual field, has guaranteed normally carrying out of operation; The object that can reach cleaning by dismounting two pass joints and anti-blocking circle, scavenging period is short, and cleaning efficiency is high, and only need to change suction catheter while changing, and replacement cost is low; The effect that realizes soft contact when protection department can make near the tissue of drag hook and operative site contact, near the nervous tissue operative site that can not stab, reduces postoperative complication and occurs, and result of use is good, is beneficial to popularization.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment;
Fig. 2 is the enlarged drawing of this utility model embodiment A part;
Fig. 3 is the cutaway view of this utility model embodiment pull bar.
Description of reference numerals: drag hook 1, pull bar 2, passage 3, suction inlet 4, outlet 5, suction catheter 6, anti-blocking circle 7, two pass joints 8, conduit 9, protection department 10, buffer part 11, interior turn of bilge 12, handle 13, anti-slip tank 14.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
With reference to accompanying drawing: be convenient to clean aspiration-type nerve root retractor in the present embodiment, comprise one for when doctor carries out operation on spinal cord by spinal cord near nerve root push aside so that the drag hook 1 of broadening doctor surgical field of view, on drag hook 1, be connected with for driving drag hook 1 to push the pull bar 2 of nerve root aside, in pull bar 2, be provided with passage 3, on one end that pull bar 2 is connected with drag hook 1, have suction inlet 4, on the other end of pull bar 2, have outlet 5, passage 3 and suction inlet 4, outlet 5 is communicated with, in passage 3, be provided with for siphoning away the suction catheter 6 of operative site blood when the operation on spinal cord, the suction side of suction catheter 6 is positioned at suction inlet 4 places of pull bar 2, the port of export of suction catheter 6 is positioned at outlet 5 places of pull bar 2, the suction inlet 4 of pull bar 2 is provided with for preventing that suction catheter 6 from bringing blood into when the absorbing blood the anti-blocking circle 7 in passage 3, the curved setting in outer of anti-blocking circle 7, on the port of export of suction catheter 6, be connected with two pass joints 8, two pass joints 8 are arranged in the passage 3 of pull bar 2, one end of two pass joints 8 is threaded connection in the passage 3 that mode is arranged on pull bar 2, the other end of two pass joints 8 is connected with for operation blood being imported to the conduit 9 of suction pump.
The outer of drag hook 1 is provided with for preventing the protection department 10 of drag hook 1 outer accidental injury myeloid tissue, and the outer surface of protection department 10 is the setting of cambered surface state, and the outer surface of protection department 10 is the setting of evagination cambered surface state.
Protection department 10 is provided with the junction of drag hook 1 buffer part 11 that is the setting of cambered surface state, and cambered surface buffer part 1 is the setting of indent state.
The junction of drag hook 1 inner surface and pull bar 2 is provided with for preventing that nerve root is stuck in the interior turn of bilge 12 of this junction, and the surface of interior turn of bilge 12 is the setting of cambered surface state.
On pull bar 2, be connected with for allowing doctor control the handle 13 of convenient operation pull bar 2.
The surface of handle 16 is provided with one group of anti-slip tank 14 for preventing that doctor's hand from sliding.
Pull bar 2 is fixedly connected with drag hook 1, suction catheter 6 is arranged in the passage 3 of pull bar 2, two pass joints 8 are threaded connection and are fixed in pull bar 2, suction catheter 6 is connected on two pass joints 8, suction catheter 6 all can be realized the effect that connects two pass joints 8 by embedded mode or thread connecting mode, one end of two pass joints 8 connects suction catheter, the other end connecting duct 9 of two pass joints 8.
Drag hook 1 for pushing nerve root aside certain position so that allow doctor obtain surgical field of view when doctor performs the operation, pull bar 2 is brought operation drag hook 1 for doctor, drag hook 1 is fixedly connected with pull bar 2, passage 3 is for installing suction catheter, passage 3 is opened in pull bar 2, suction inlet 4 is for placing the suction side of suction catheter 6, outlet 5 is for placing the port of export of suction catheter 6, passage 3 and suction inlet 4, outlet 5 is communicated with, suction catheter 6 for siphoning away the blood that hinders the doctor visual field when performing the operation, allow doctor can access surgical field of view, operation can be carried out smoothly, anti-blocking circle 7 is for anti-Hemostatic Oral Liquid admission passage, while making to clean, do not need the passage of clean pull bar 2, only need to clean the object that anti-blocking circle 7 and suction catheter 6 can reach clean nerve root retractor, the tissue that the curved setting in outer of anti-blocking circle 7 can allow the outer of anti-blocking circle 7 can not stab patient, protection patient's health safety, two pass joints 8 are for connecting suction catheter 6 and conduit 9, and allow blood be transferred to conduit 9 from suction catheter 6, conduit 9 is for allowing blood be inhaled in suction pump in suction catheter 6, protection department 10 is for preventing the drag hook 1 corrective surgery position tissue that stabs, buffer part 11 and interior turn of bilge 12 are for preventing drag hook 1 damage patient nerve root, handle 13 is for allowing doctor hold convenient operation pull bar 2, handled easily, anti-slip tank 14 slides doctor on hand for preventing handle 13.
During use, doctor operates pull bar 2 and drives drag hook 1 that nerve root is pushed aside, then conduit 9 is connected to upper suction pump, open suction pump, the blood of operative site just siphons away by suction catheter 6, then these operation blood are through two pass joints 8, conduit 9 is attracted device and siphons away, the blood producing while performing the operation so just can not hinder doctor's the visual field, facilitate doctor to carry out hands art, operation can be carried out smoothly, when operation, because the suction inlet 4 of pull bar 2 is provided with anti-blocking circle 7, and anti-blocking circle 7 can all be blocked the space producing between suction catheter 6 and passage 3, suction catheter 6 is when absorbing operation blood like this, operation blood cannot be infected with or be splashed in passage 3, outside operation blood is all blocked in by anti-blocking circle 7, so just can guarantee can be infected with by blood in passage 3, after having performed the operation, two pass joints 8 are disassembled from conduit 9, again suction catheter 6 is disassembled from two pass joints 8, then the anti-blocking circle 7 on suction catheter 6 and pull bar 2 is cleaned and can reach the object of cleaning nerve root retractor.
The feature of the present embodiment is: by suction catheter 6 is installed, can realize the effect that siphons away operation blood when performing the operation, prevented that operation blood from hindering doctor's the visual field, guaranteed normally carrying out of operation, by dismounting two pass joints 8, can reach the object of cleaning, scavenging period is short, cleaning efficiency is high, and only need to change suction catheter 6 while changing, replacement cost is low, also have, when can making near the tissue of drag hook and operative site contact, realizes protection department 10 effect of soft contact, near the tissue of the operative site that can not stab, and interior turn of bilge 12 and buffer part 11 can prevent that nerve root from embedding these positions, the nerve root that has guaranteed patient can not be subject to any damage, protected that patient's is healthy, while having guaranteed operation, can not be damaged to patient's tissue and nerve root, operation can be completed smoothly, avoided patient tissue and nerve root to be affected, reduced patient's misery, avoided occurring extra medical expense, reduced patient's burden, result of use is good, be beneficial to popularization.
Although this utility model illustrates and describes by reference to preferred embodiment,, those skilled in the art should understand, and in the scope of claims, can do the various variation in form and details.
Claims (6)
1. be convenient to clean aspiration-type nerve root retractor for one kind, it is characterized in that: comprise one for when doctor carries out operation on spinal cord by spinal cord near nerve root or dural sac pushes aside so that the drag hook (1) of broadening doctor surgical field of view, on described drag hook (1), be connected with for driving drag hook (1) to push the pull bar (2) of nerve root aside, in described pull bar (2), be provided with passage (3), on one end that described pull bar (2) is connected with drag hook (1), have suction inlet (4), on the other end of described pull bar (2), have outlet (5), described passage (3) and suction inlet (4), outlet (5) is communicated with, in described passage (3), be provided with for siphoning away the suction catheter (6) of operative site oozing of blood when the operation on spinal cord, the suction side of described suction catheter (6) is positioned at the suction inlet (4) of pull bar (2) and locates, the port of export of described suction catheter (6) is positioned at the outlet (5) of pull bar (2) and locates, the suction inlet (4) of described pull bar (2) is provided with for preventing that suction catheter (6) from bringing blood into when the absorbing blood the anti-blocking circle (7) in passage (3), the curved setting in outer of described anti-blocking circle (7), on the port of export of described suction catheter (6), be connected with two pass joints (8), described two pass joints (8) are arranged in the passage (3) of pull bar (2), one end of described two pass joints (8) is threaded connection in the passage (3) that mode is arranged on pull bar (2), the other end of described two pass joints (8) is connected with for operation blood being imported to the conduit (9) of suction pump.
2. be according to claim 1ly convenient to clean aspiration-type nerve root retractor, it is characterized in that: the outer of described drag hook (1) is provided with for preventing the protection department (10) of drag hook (1) outer accidental injury myeloid tissue, the outer surface of described protection department (10) is the setting of cambered surface state, and the outer surface of described protection department (10) is the setting of evagination cambered surface state.
3. be according to claim 2ly convenient to clean aspiration-type nerve root retractor, it is characterized in that: described protection department (10) is provided with the junction of drag hook (1) buffer part (11) that is the setting of cambered surface state, and described cambered surface buffer part (1) is the setting of indent state.
4. be according to claim 1ly convenient to clean aspiration-type nerve root retractor, it is characterized in that: the junction of described drag hook (1) inner surface and pull bar (2) is provided with for preventing that nerve root is stuck in the interior turn of bilge (12) of this junction, and the surface of described interior turn of bilge (12) is the setting of cambered surface state.
5. be according to claim 1ly convenient to clean aspiration-type nerve root retractor, it is characterized in that: on described pull bar (2), be connected with for allowing doctor control the handle (13) of convenient operation pull bar (2).
6. be according to claim 6ly convenient to clean aspiration-type nerve root retractor, it is characterized in that: the surface of described handle (13) is provided with one group of anti-slip tank (14) for preventing that doctor's hand from sliding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420277298.6U CN203841742U (en) | 2014-05-28 | 2014-05-28 | Suction type nerve root dragging hook convenient to clean |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420277298.6U CN203841742U (en) | 2014-05-28 | 2014-05-28 | Suction type nerve root dragging hook convenient to clean |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203841742U true CN203841742U (en) | 2014-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420277298.6U Expired - Fee Related CN203841742U (en) | 2014-05-28 | 2014-05-28 | Suction type nerve root dragging hook convenient to clean |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203841742U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105963024A (en) * | 2016-04-21 | 2016-09-28 | 周强 | Nerve root protective endoscope working channel |
| CN113100844A (en) * | 2021-03-24 | 2021-07-13 | 云南省第一人民医院 | Orthopedic nerve retractor device with double attractors |
-
2014
- 2014-05-28 CN CN201420277298.6U patent/CN203841742U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105963024A (en) * | 2016-04-21 | 2016-09-28 | 周强 | Nerve root protective endoscope working channel |
| CN105963024B (en) * | 2016-04-21 | 2019-01-18 | 周强 | Nerve root protectiveness scope service aisle |
| CN113100844A (en) * | 2021-03-24 | 2021-07-13 | 云南省第一人民医院 | Orthopedic nerve retractor device with double attractors |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140924 Termination date: 20150528 |
|
| EXPY | Termination of patent right or utility model |